drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
   3
   4 /* ethtool support for ixgbe */
   5
   6 #include <linux/interrupt.h>
   7 #include <linux/types.h>
   8 #include <linux/module.h>
   9 #include <linux/slab.h>
  10 #include <linux/pci.h>
  11 #include <linux/netdevice.h>
  12 #include <linux/ethtool.h>
  13 #include <linux/vmalloc.h>
  14 #include <linux/highmem.h>
  15 #include <linux/uaccess.h>
  16
  17 #include "ixgbe.h"
  18 #include "ixgbe_phy.h"
  19
  20
  21 #define IXGBE_ALL_RAR_ENTRIES 16
  22
  23 enum {NETDEV_STATS, IXGBE_STATS};
  24
  25 struct ixgbe_stats {
  26         char stat_string[ETH_GSTRING_LEN];
  27         int type;
  28         int sizeof_stat;
  29         int stat_offset;
  30 };
  31
  32 #define IXGBE_STAT(m)           IXGBE_STATS, \
  33                                 sizeof(((struct ixgbe_adapter *)0)->m), \
  34                                 offsetof(struct ixgbe_adapter, m)
  35 #define IXGBE_NETDEV_STAT(m)    NETDEV_STATS, \
  36                                 sizeof(((struct rtnl_link_stats64 *)0)->m), \
  37                                 offsetof(struct rtnl_link_stats64, m)
  38
  39 static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
  40         {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
  41         {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
  42         {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
  43         {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
  44         {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
  45         {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
  46         {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
  47         {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
  48         {"lsc_int", IXGBE_STAT(lsc_int)},
  49         {"tx_busy", IXGBE_STAT(tx_busy)},
  50         {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
  51         {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
  52         {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
  53         {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
  54         {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
  55         {"multicast", IXGBE_NETDEV_STAT(multicast)},
  56         {"broadcast", IXGBE_STAT(stats.bprc)},
  57         {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
  58         {"collisions", IXGBE_NETDEV_STAT(collisions)},
  59         {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
  60         {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
  61         {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
  62         {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
  63         {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
  64         {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
  65         {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
  66         {"fdir_overflow", IXGBE_STAT(fdir_overflow)},
  67         {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
  68         {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
  69         {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
  70         {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
  71         {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
  72         {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
  73         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
  74         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
  75         {"rx_length_errors", IXGBE_STAT(stats.rlec)},
  76         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
  77         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
  78         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
  79         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
  80         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
  81         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
  82         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
  83         {"alloc_rx_page", IXGBE_STAT(alloc_rx_page)},
  84         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
  85         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
  86         {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
  87         {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
  88         {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
  89         {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
  90         {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
  91         {"tx_hwtstamp_timeouts", IXGBE_STAT(tx_hwtstamp_timeouts)},
  92         {"tx_hwtstamp_skipped", IXGBE_STAT(tx_hwtstamp_skipped)},
  93         {"rx_hwtstamp_cleared", IXGBE_STAT(rx_hwtstamp_cleared)},
  94         {"tx_ipsec", IXGBE_STAT(tx_ipsec)},
  95         {"rx_ipsec", IXGBE_STAT(rx_ipsec)},
  96 #ifdef IXGBE_FCOE
  97         {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
  98         {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
  99         {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
 100         {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
 101         {"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
 102         {"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
 103         {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
 104         {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
 105 #endif /* IXGBE_FCOE */
 106 };
 107
 108 /* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
 109  * we set the num_rx_queues to evaluate to num_tx_queues. This is
 110  * used because we do not have a good way to get the max number of
 111  * rx queues with CONFIG_RPS disabled.
 112  */
 113 #define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
 114
 115 #define IXGBE_QUEUE_STATS_LEN ( \
 116         (netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
 117         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 118 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 119 #define IXGBE_PB_STATS_LEN ( \
 120                         (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 121                          sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 122                          sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 123                          sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 124                         / sizeof(u64))
 125 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 126                          IXGBE_PB_STATS_LEN + \
 127                          IXGBE_QUEUE_STATS_LEN)
 128
 129 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
 130         "Register test  (offline)", "Eeprom test    (offline)",
 131         "Interrupt test (offline)", "Loopback test  (offline)",
 132         "Link test   (on/offline)"
 133 };
 134 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
 135
 136 static const char ixgbe_priv_flags_strings[][ETH_GSTRING_LEN] = {
 137 #define IXGBE_PRIV_FLAGS_LEGACY_RX      BIT(0)
 138         "legacy-rx",
 139 #define IXGBE_PRIV_FLAGS_VF_IPSEC_EN    BIT(1)
 140         "vf-ipsec",
 141 };
 142
 143 #define IXGBE_PRIV_FLAGS_STR_LEN ARRAY_SIZE(ixgbe_priv_flags_strings)
 144
 145 #define ixgbe_isbackplane(type) ((type) == ixgbe_media_type_backplane)
 146
 147 static void ixgbe_set_supported_10gtypes(struct ixgbe_hw *hw,
 148                                          struct ethtool_link_ksettings *cmd)
 149 {
 150         if (!ixgbe_isbackplane(hw->phy.media_type)) {
 151                 ethtool_link_ksettings_add_link_mode(cmd, supported,
 152                                                      10000baseT_Full);
 153                 return;
 154         }
 155
 156         switch (hw->device_id) {
 157         case IXGBE_DEV_ID_82598:
 158         case IXGBE_DEV_ID_82599_KX4:
 159         case IXGBE_DEV_ID_82599_KX4_MEZZ:
 160         case IXGBE_DEV_ID_X550EM_X_KX4:
 161                 ethtool_link_ksettings_add_link_mode
 162                         (cmd, supported, 10000baseKX4_Full);
 163                 break;
 164         case IXGBE_DEV_ID_82598_BX:
 165         case IXGBE_DEV_ID_82599_KR:
 166         case IXGBE_DEV_ID_X550EM_X_KR:
 167         case IXGBE_DEV_ID_X550EM_X_XFI:
 168                 ethtool_link_ksettings_add_link_mode
 169                         (cmd, supported, 10000baseKR_Full);
 170                 break;
 171         default:
 172                 ethtool_link_ksettings_add_link_mode
 173                         (cmd, supported, 10000baseKX4_Full);
 174                 ethtool_link_ksettings_add_link_mode
 175                         (cmd, supported, 10000baseKR_Full);
 176                 break;
 177         }
 178 }
 179
 180 static void ixgbe_set_advertising_10gtypes(struct ixgbe_hw *hw,
 181                                            struct ethtool_link_ksettings *cmd)
 182 {
 183         if (!ixgbe_isbackplane(hw->phy.media_type)) {
 184                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 185                                                      10000baseT_Full);
 186                 return;
 187         }
 188
 189         switch (hw->device_id) {
 190         case IXGBE_DEV_ID_82598:
 191         case IXGBE_DEV_ID_82599_KX4:
 192         case IXGBE_DEV_ID_82599_KX4_MEZZ:
 193         case IXGBE_DEV_ID_X550EM_X_KX4:
 194                 ethtool_link_ksettings_add_link_mode
 195                         (cmd, advertising, 10000baseKX4_Full);
 196                 break;
 197         case IXGBE_DEV_ID_82598_BX:
 198         case IXGBE_DEV_ID_82599_KR:
 199         case IXGBE_DEV_ID_X550EM_X_KR:
 200         case IXGBE_DEV_ID_X550EM_X_XFI:
 201                 ethtool_link_ksettings_add_link_mode
 202                         (cmd, advertising, 10000baseKR_Full);
 203                 break;
 204         default:
 205                 ethtool_link_ksettings_add_link_mode
 206                         (cmd, advertising, 10000baseKX4_Full);
 207                 ethtool_link_ksettings_add_link_mode
 208                         (cmd, advertising, 10000baseKR_Full);
 209                 break;
 210         }
 211 }
 212
 213 static int ixgbe_get_link_ksettings(struct net_device *netdev,
 214                                     struct ethtool_link_ksettings *cmd)
 215 {
 216         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 217         struct ixgbe_hw *hw = &adapter->hw;
 218         ixgbe_link_speed supported_link;
 219         bool autoneg = false;
 220
 221         ethtool_link_ksettings_zero_link_mode(cmd, supported);
 222         ethtool_link_ksettings_zero_link_mode(cmd, advertising);
 223
 224         hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg);
 225
 226         /* set the supported link speeds */
 227         if (supported_link & IXGBE_LINK_SPEED_10GB_FULL) {
 228                 ixgbe_set_supported_10gtypes(hw, cmd);
 229                 ixgbe_set_advertising_10gtypes(hw, cmd);
 230         }
 231         if (supported_link & IXGBE_LINK_SPEED_5GB_FULL)
 232                 ethtool_link_ksettings_add_link_mode(cmd, supported,
 233                                                      5000baseT_Full);
 234
 235         if (supported_link & IXGBE_LINK_SPEED_2_5GB_FULL)
 236                 ethtool_link_ksettings_add_link_mode(cmd, supported,
 237                                                      2500baseT_Full);
 238
 239         if (supported_link & IXGBE_LINK_SPEED_1GB_FULL) {
 240                 if (ixgbe_isbackplane(hw->phy.media_type)) {
 241                         ethtool_link_ksettings_add_link_mode(cmd, supported,
 242                                                              1000baseKX_Full);
 243                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
 244                                                              1000baseKX_Full);
 245                 } else {
 246                         ethtool_link_ksettings_add_link_mode(cmd, supported,
 247                                                              1000baseT_Full);
 248                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
 249                                                              1000baseT_Full);
 250                 }
 251         }
 252         if (supported_link & IXGBE_LINK_SPEED_100_FULL) {
 253                 ethtool_link_ksettings_add_link_mode(cmd, supported,
 254                                                      100baseT_Full);
 255                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 256                                                      100baseT_Full);
 257         }
 258         if (supported_link & IXGBE_LINK_SPEED_10_FULL) {
 259                 ethtool_link_ksettings_add_link_mode(cmd, supported,
 260                                                      10baseT_Full);
 261                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 262                                                      10baseT_Full);
 263         }
 264
 265         /* set the advertised speeds */
 266         if (hw->phy.autoneg_advertised) {
 267                 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
 268                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10_FULL)
 269                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
 270                                                              10baseT_Full);
 271                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
 272                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
 273                                                              100baseT_Full);
 274                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
 275                         ixgbe_set_advertising_10gtypes(hw, cmd);
 276                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) {
 277                         if (ethtool_link_ksettings_test_link_mode
 278                                 (cmd, supported, 1000baseKX_Full))
 279                                 ethtool_link_ksettings_add_link_mode
 280                                         (cmd, advertising, 1000baseKX_Full);
 281                         else
 282                                 ethtool_link_ksettings_add_link_mode
 283                                         (cmd, advertising, 1000baseT_Full);
 284                 }
 285                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_5GB_FULL)
 286                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
 287                                                              5000baseT_Full);
 288                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL)
 289                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
 290                                                              2500baseT_Full);
 291         } else {
 292                 if (hw->phy.multispeed_fiber && !autoneg) {
 293                         if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
 294                                 ethtool_link_ksettings_add_link_mode
 295                                         (cmd, advertising, 10000baseT_Full);
 296                 }
 297         }
 298
 299         if (autoneg) {
 300                 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
 301                 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
 302                 cmd->base.autoneg = AUTONEG_ENABLE;
 303         } else
 304                 cmd->base.autoneg = AUTONEG_DISABLE;
 305
 306         /* Determine the remaining settings based on the PHY type. */
 307         switch (adapter->hw.phy.type) {
 308         case ixgbe_phy_tn:
 309         case ixgbe_phy_aq:
 310         case ixgbe_phy_x550em_ext_t:
 311         case ixgbe_phy_fw:
 312         case ixgbe_phy_cu_unknown:
 313                 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
 314                 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
 315                 cmd->base.port = PORT_TP;
 316                 break;
 317         case ixgbe_phy_qt:
 318                 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
 319                 ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
 320                 cmd->base.port = PORT_FIBRE;
 321                 break;
 322         case ixgbe_phy_nl:
 323         case ixgbe_phy_sfp_passive_tyco:
 324         case ixgbe_phy_sfp_passive_unknown:
 325         case ixgbe_phy_sfp_ftl:
 326         case ixgbe_phy_sfp_avago:
 327         case ixgbe_phy_sfp_intel:
 328         case ixgbe_phy_sfp_unknown:
 329         case ixgbe_phy_qsfp_passive_unknown:
 330         case ixgbe_phy_qsfp_active_unknown:
 331         case ixgbe_phy_qsfp_intel:
 332         case ixgbe_phy_qsfp_unknown:
 333                 /* SFP+ devices, further checking needed */
 334                 switch (adapter->hw.phy.sfp_type) {
 335                 case ixgbe_sfp_type_da_cu:
 336                 case ixgbe_sfp_type_da_cu_core0:
 337                 case ixgbe_sfp_type_da_cu_core1:
 338                         ethtool_link_ksettings_add_link_mode(cmd, supported,
 339                                                              FIBRE);
 340                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
 341                                                              FIBRE);
 342                         cmd->base.port = PORT_DA;
 343                         break;
 344                 case ixgbe_sfp_type_sr:
 345                 case ixgbe_sfp_type_lr:
 346                 case ixgbe_sfp_type_srlr_core0:
 347                 case ixgbe_sfp_type_srlr_core1:
 348                 case ixgbe_sfp_type_1g_sx_core0:
 349                 case ixgbe_sfp_type_1g_sx_core1:
 350                 case ixgbe_sfp_type_1g_lx_core0:
 351                 case ixgbe_sfp_type_1g_lx_core1:
 352                         ethtool_link_ksettings_add_link_mode(cmd, supported,
 353                                                              FIBRE);
 354                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
 355                                                              FIBRE);
 356                         cmd->base.port = PORT_FIBRE;
 357                         break;
 358                 case ixgbe_sfp_type_not_present:
 359                         ethtool_link_ksettings_add_link_mode(cmd, supported,
 360                                                              FIBRE);
 361                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
 362                                                              FIBRE);
 363                         cmd->base.port = PORT_NONE;
 364                         break;
 365                 case ixgbe_sfp_type_1g_cu_core0:
 366                 case ixgbe_sfp_type_1g_cu_core1:
 367                         ethtool_link_ksettings_add_link_mode(cmd, supported,
 368                                                              TP);
 369                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
 370                                                              TP);
 371                         cmd->base.port = PORT_TP;
 372                         break;
 373                 case ixgbe_sfp_type_unknown:
 374                 default:
 375                         ethtool_link_ksettings_add_link_mode(cmd, supported,
 376                                                              FIBRE);
 377                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
 378                                                              FIBRE);
 379                         cmd->base.port = PORT_OTHER;
 380                         break;
 381                 }
 382                 break;
 383         case ixgbe_phy_xaui:
 384                 ethtool_link_ksettings_add_link_mode(cmd, supported,
 385                                                      FIBRE);
 386                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 387                                                      FIBRE);
 388                 cmd->base.port = PORT_NONE;
 389                 break;
 390         case ixgbe_phy_unknown:
 391         case ixgbe_phy_generic:
 392         case ixgbe_phy_sfp_unsupported:
 393         default:
 394                 ethtool_link_ksettings_add_link_mode(cmd, supported,
 395                                                      FIBRE);
 396                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 397                                                      FIBRE);
 398                 cmd->base.port = PORT_OTHER;
 399                 break;
 400         }
 401
 402         /* Indicate pause support */
 403         ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
 404
 405         switch (hw->fc.requested_mode) {
 406         case ixgbe_fc_full:
 407                 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
 408                 break;
 409         case ixgbe_fc_rx_pause:
 410                 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
 411                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 412                                                      Asym_Pause);
 413                 break;
 414         case ixgbe_fc_tx_pause:
 415                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 416                                                      Asym_Pause);
 417                 break;
 418         default:
 419                 ethtool_link_ksettings_del_link_mode(cmd, advertising, Pause);
 420                 ethtool_link_ksettings_del_link_mode(cmd, advertising,
 421                                                      Asym_Pause);
 422         }
 423
 424         if (netif_carrier_ok(netdev)) {
 425                 switch (adapter->link_speed) {
 426                 case IXGBE_LINK_SPEED_10GB_FULL:
 427                         cmd->base.speed = SPEED_10000;
 428                         break;
 429                 case IXGBE_LINK_SPEED_5GB_FULL:
 430                         cmd->base.speed = SPEED_5000;
 431                         break;
 432                 case IXGBE_LINK_SPEED_2_5GB_FULL:
 433                         cmd->base.speed = SPEED_2500;
 434                         break;
 435                 case IXGBE_LINK_SPEED_1GB_FULL:
 436                         cmd->base.speed = SPEED_1000;
 437                         break;
 438                 case IXGBE_LINK_SPEED_100_FULL:
 439                         cmd->base.speed = SPEED_100;
 440                         break;
 441                 case IXGBE_LINK_SPEED_10_FULL:
 442                         cmd->base.speed = SPEED_10;
 443                         break;
 444                 default:
 445                         break;
 446                 }
 447                 cmd->base.duplex = DUPLEX_FULL;
 448         } else {
 449                 cmd->base.speed = SPEED_UNKNOWN;
 450                 cmd->base.duplex = DUPLEX_UNKNOWN;
 451         }
 452
 453         return 0;
 454 }
 455
 456 static int ixgbe_set_link_ksettings(struct net_device *netdev,
 457                                     const struct ethtool_link_ksettings *cmd)
 458 {
 459         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 460         struct ixgbe_hw *hw = &adapter->hw;
 461         u32 advertised, old;
 462         s32 err = 0;
 463
 464         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 465             (hw->phy.multispeed_fiber)) {
 466                 /*
 467                  * this function does not support duplex forcing, but can
 468                  * limit the advertising of the adapter to the specified speed
 469                  */
 470                 if (!bitmap_subset(cmd->link_modes.advertising,
 471                                    cmd->link_modes.supported,
 472                                    __ETHTOOL_LINK_MODE_MASK_NBITS))
 473                         return -EINVAL;
 474
 475                 /* only allow one speed at a time if no autoneg */
 476                 if (!cmd->base.autoneg && hw->phy.multispeed_fiber) {
 477                         if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
 478                                                                   10000baseT_Full) &&
 479                             ethtool_link_ksettings_test_link_mode(cmd, advertising,
 480                                                                   1000baseT_Full))
 481                                 return -EINVAL;
 482                 }
 483
 484                 old = hw->phy.autoneg_advertised;
 485                 advertised = 0;
 486                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
 487                                                           10000baseT_Full))
 488                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 489                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
 490                                                           5000baseT_Full))
 491                         advertised |= IXGBE_LINK_SPEED_5GB_FULL;
 492                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
 493                                                           2500baseT_Full))
 494                         advertised |= IXGBE_LINK_SPEED_2_5GB_FULL;
 495                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
 496                                                           1000baseT_Full))
 497                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 498
 499                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
 500                                                           100baseT_Full))
 501                         advertised |= IXGBE_LINK_SPEED_100_FULL;
 502
 503                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
 504                                                           10baseT_Full))
 505                         advertised |= IXGBE_LINK_SPEED_10_FULL;
 506
 507                 if (old == advertised)
 508                         return err;
 509                 /* this sets the link speed and restarts auto-neg */
 510                 while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
 511                         usleep_range(1000, 2000);
 512
 513                 hw->mac.autotry_restart = true;
 514                 err = hw->mac.ops.setup_link(hw, advertised, true);
 515                 if (err) {
 516                         e_info(probe, "setup link failed with code %d\n", err);
 517                         hw->mac.ops.setup_link(hw, old, true);
 518                 }
 519                 clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
 520         } else {
 521                 /* in this case we currently only support 10Gb/FULL */
 522                 u32 speed = cmd->base.speed;
 523
 524                 if ((cmd->base.autoneg == AUTONEG_ENABLE) ||
 525                     (!ethtool_link_ksettings_test_link_mode(cmd, advertising,
 526                                                             10000baseT_Full)) ||
 527                     (speed + cmd->base.duplex != SPEED_10000 + DUPLEX_FULL))
 528                         return -EINVAL;
 529         }
 530
 531         return err;
 532 }
 533
 534 static void ixgbe_get_pause_stats(struct net_device *netdev,
 535                                   struct ethtool_pause_stats *stats)
 536 {
 537         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 538         struct ixgbe_hw_stats *hwstats = &adapter->stats;
 539
 540         stats->tx_pause_frames = hwstats->lxontxc + hwstats->lxofftxc;
 541         stats->rx_pause_frames = hwstats->lxonrxc + hwstats->lxoffrxc;
 542 }
 543
 544 static void ixgbe_get_pauseparam(struct net_device *netdev,
 545                                  struct ethtool_pauseparam *pause)
 546 {
 547         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 548         struct ixgbe_hw *hw = &adapter->hw;
 549
 550         if (ixgbe_device_supports_autoneg_fc(hw) &&
 551             !hw->fc.disable_fc_autoneg)
 552                 pause->autoneg = 1;
 553         else
 554                 pause->autoneg = 0;
 555
 556         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 557                 pause->rx_pause = 1;
 558         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 559                 pause->tx_pause = 1;
 560         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 561                 pause->rx_pause = 1;
 562                 pause->tx_pause = 1;
 563         }
 564 }
 565
 566 static int ixgbe_set_pauseparam(struct net_device *netdev,
 567                                 struct ethtool_pauseparam *pause)
 568 {
 569         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 570         struct ixgbe_hw *hw = &adapter->hw;
 571         struct ixgbe_fc_info fc = hw->fc;
 572
 573         /* 82598 does no support link flow control with DCB enabled */
 574         if ((hw->mac.type == ixgbe_mac_82598EB) &&
 575             (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
 576                 return -EINVAL;
 577
 578         /* some devices do not support autoneg of link flow control */
 579         if ((pause->autoneg == AUTONEG_ENABLE) &&
 580             !ixgbe_device_supports_autoneg_fc(hw))
 581                 return -EINVAL;
 582
 583         fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
 584
 585         if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
 586                 fc.requested_mode = ixgbe_fc_full;
 587         else if (pause->rx_pause && !pause->tx_pause)
 588                 fc.requested_mode = ixgbe_fc_rx_pause;
 589         else if (!pause->rx_pause && pause->tx_pause)
 590                 fc.requested_mode = ixgbe_fc_tx_pause;
 591         else
 592                 fc.requested_mode = ixgbe_fc_none;
 593
 594         /* if the thing changed then we'll update and use new autoneg */
 595         if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
 596                 hw->fc = fc;
 597                 if (netif_running(netdev))
 598                         ixgbe_reinit_locked(adapter);
 599                 else
 600                         ixgbe_reset(adapter);
 601         }
 602
 603         return 0;
 604 }
 605
 606 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 607 {
 608         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 609         return adapter->msg_enable;
 610 }
 611
 612 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 613 {
 614         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 615         adapter->msg_enable = data;
 616 }
 617
 618 static int ixgbe_get_regs_len(struct net_device *netdev)
 619 {
 620 #define IXGBE_REGS_LEN  1145
 621         return IXGBE_REGS_LEN * sizeof(u32);
 622 }
 623
 624 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 625
 626 static void ixgbe_get_regs(struct net_device *netdev,
 627                            struct ethtool_regs *regs, void *p)
 628 {
 629         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 630         struct ixgbe_hw *hw = &adapter->hw;
 631         u32 *regs_buff = p;
 632         u8 i;
 633
 634         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 635
 636         regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
 637                         hw->device_id;
 638
 639         /* General Registers */
 640         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 641         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 642         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 643         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 644         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 645         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 646         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 647         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 648
 649         /* NVM Register */
 650         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
 651         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 652         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA(hw));
 653         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 654         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 655         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 656         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 657         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 658         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 659         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC(hw));
 660
 661         /* Interrupt */
 662         /* don't read EICR because it can clear interrupt causes, instead
 663          * read EICS which is a shadow but doesn't clear EICR */
 664         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 665         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 666         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 667         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 668         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 669         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 670         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 671         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 672         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 673         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 674         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 675         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 676
 677         /* Flow Control */
 678         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 679         for (i = 0; i < 4; i++)
 680                 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_FCTTV(i));
 681         for (i = 0; i < 8; i++) {
 682                 switch (hw->mac.type) {
 683                 case ixgbe_mac_82598EB:
 684                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 685                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 686                         break;
 687                 case ixgbe_mac_82599EB:
 688                 case ixgbe_mac_X540:
 689                 case ixgbe_mac_X550:
 690                 case ixgbe_mac_X550EM_x:
 691                 case ixgbe_mac_x550em_a:
 692                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
 693                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
 694                         break;
 695                 default:
 696                         break;
 697                 }
 698         }
 699         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 700         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 701
 702         /* Receive DMA */
 703         for (i = 0; i < 64; i++)
 704                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 705         for (i = 0; i < 64; i++)
 706                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 707         for (i = 0; i < 64; i++)
 708                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 709         for (i = 0; i < 64; i++)
 710                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 711         for (i = 0; i < 64; i++)
 712                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 713         for (i = 0; i < 64; i++)
 714                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 715         for (i = 0; i < 16; i++)
 716                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 717         for (i = 0; i < 16; i++)
 718                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 719         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 720         for (i = 0; i < 8; i++)
 721                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 722         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 723         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 724
 725         /* Receive */
 726         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 727         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 728         for (i = 0; i < 16; i++)
 729                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 730         for (i = 0; i < 16; i++)
 731                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 732         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 733         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 734         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 735         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 736         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 737         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 738         for (i = 0; i < 8; i++)
 739                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 740         for (i = 0; i < 8; i++)
 741                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 742         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 743
 744         /* Transmit */
 745         for (i = 0; i < 32; i++)
 746                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 747         for (i = 0; i < 32; i++)
 748                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 749         for (i = 0; i < 32; i++)
 750                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 751         for (i = 0; i < 32; i++)
 752                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 753         for (i = 0; i < 32; i++)
 754                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 755         for (i = 0; i < 32; i++)
 756                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 757         for (i = 0; i < 32; i++)
 758                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 759         for (i = 0; i < 32; i++)
 760                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 761         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 762         for (i = 0; i < 16; i++)
 763                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 764         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 765         for (i = 0; i < 8; i++)
 766                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 767         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 768
 769         /* Wake Up */
 770         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 771         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 772         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 773         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 774         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 775         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 776         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 777         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 778         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 779
 780         /* DCB */
 781         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);   /* same as FCCFG  */
 782         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); /* same as RTTPCS */
 783
 784         switch (hw->mac.type) {
 785         case ixgbe_mac_82598EB:
 786                 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 787                 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 788                 for (i = 0; i < 8; i++)
 789                         regs_buff[833 + i] =
 790                                 IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 791                 for (i = 0; i < 8; i++)
 792                         regs_buff[841 + i] =
 793                                 IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 794                 for (i = 0; i < 8; i++)
 795                         regs_buff[849 + i] =
 796                                 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 797                 for (i = 0; i < 8; i++)
 798                         regs_buff[857 + i] =
 799                                 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 800                 break;
 801         case ixgbe_mac_82599EB:
 802         case ixgbe_mac_X540:
 803         case ixgbe_mac_X550:
 804         case ixgbe_mac_X550EM_x:
 805         case ixgbe_mac_x550em_a:
 806                 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
 807                 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RTRPCS);
 808                 for (i = 0; i < 8; i++)
 809                         regs_buff[833 + i] =
 810                                 IXGBE_READ_REG(hw, IXGBE_RTRPT4C(i));
 811                 for (i = 0; i < 8; i++)
 812                         regs_buff[841 + i] =
 813                                 IXGBE_READ_REG(hw, IXGBE_RTRPT4S(i));
 814                 for (i = 0; i < 8; i++)
 815                         regs_buff[849 + i] =
 816                                 IXGBE_READ_REG(hw, IXGBE_RTTDT2C(i));
 817                 for (i = 0; i < 8; i++)
 818                         regs_buff[857 + i] =
 819                                 IXGBE_READ_REG(hw, IXGBE_RTTDT2S(i));
 820                 break;
 821         default:
 822                 break;
 823         }
 824
 825         for (i = 0; i < 8; i++)
 826                 regs_buff[865 + i] =
 827                 IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); /* same as RTTPT2C */
 828         for (i = 0; i < 8; i++)
 829                 regs_buff[873 + i] =
 830                 IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); /* same as RTTPT2S */
 831
 832         /* Statistics */
 833         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 834         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 835         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 836         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 837         for (i = 0; i < 8; i++)
 838                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 839         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 840         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 841         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 842         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 843         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 844         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 845         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 846         for (i = 0; i < 8; i++)
 847                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 848         for (i = 0; i < 8; i++)
 849                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 850         for (i = 0; i < 8; i++)
 851                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 852         for (i = 0; i < 8; i++)
 853                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 854         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 855         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 856         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 857         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 858         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 859         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 860         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 861         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 862         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 863         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 864         regs_buff[942] = (u32)IXGBE_GET_STAT(adapter, gorc);
 865         regs_buff[943] = (u32)(IXGBE_GET_STAT(adapter, gorc) >> 32);
 866         regs_buff[944] = (u32)IXGBE_GET_STAT(adapter, gotc);
 867         regs_buff[945] = (u32)(IXGBE_GET_STAT(adapter, gotc) >> 32);
 868         for (i = 0; i < 8; i++)
 869                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 870         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 871         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 872         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 873         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 874         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 875         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 876         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 877         regs_buff[961] = (u32)IXGBE_GET_STAT(adapter, tor);
 878         regs_buff[962] = (u32)(IXGBE_GET_STAT(adapter, tor) >> 32);
 879         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 880         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 881         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 882         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 883         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 884         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 885         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 886         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 887         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 888         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 889         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 890         for (i = 0; i < 16; i++)
 891                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 892         for (i = 0; i < 16; i++)
 893                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 894         for (i = 0; i < 16; i++)
 895                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 896         for (i = 0; i < 16; i++)
 897                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 898
 899         /* MAC */
 900         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 901         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 902         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 903         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 904         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 905         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 906         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 907         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 908         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 909         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 910         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 911         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 912         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 913         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 914         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 915         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 916         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 917         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 918         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 919         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 920         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 921         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 922         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 923         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 924         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 925         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 926         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 927         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 928         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 929         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 930         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 931         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 932         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 933
 934         /* Diagnostic */
 935         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 936         for (i = 0; i < 8; i++)
 937                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 938         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 939         for (i = 0; i < 4; i++)
 940                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 941         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 942         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 943         for (i = 0; i < 8; i++)
 944                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 945         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 946         for (i = 0; i < 4; i++)
 947                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 948         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 949         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 950         for (i = 0; i < 4; i++)
 951                 regs_buff[1102 + i] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA(i));
 952         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 953         for (i = 0; i < 4; i++)
 954                 regs_buff[1107 + i] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA(i));
 955         for (i = 0; i < 8; i++)
 956                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 957         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 958         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 959         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 960         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 961         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 962         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 963         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 964         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 965         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 966
 967         /* 82599 X540 specific registers  */
 968         regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
 969
 970         /* 82599 X540 specific DCB registers  */
 971         regs_buff[1129] = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
 972         regs_buff[1130] = IXGBE_READ_REG(hw, IXGBE_RTTUP2TC);
 973         for (i = 0; i < 4; i++)
 974                 regs_buff[1131 + i] = IXGBE_READ_REG(hw, IXGBE_TXLLQ(i));
 975         regs_buff[1135] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRM);
 976                                         /* same as RTTQCNRM */
 977         regs_buff[1136] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRD);
 978                                         /* same as RTTQCNRR */
 979
 980         /* X540 specific DCB registers  */
 981         regs_buff[1137] = IXGBE_READ_REG(hw, IXGBE_RTTQCNCR);
 982         regs_buff[1138] = IXGBE_READ_REG(hw, IXGBE_RTTQCNTG);
 983
 984         /* Security config registers */
 985         regs_buff[1139] = IXGBE_READ_REG(hw, IXGBE_SECTXCTRL);
 986         regs_buff[1140] = IXGBE_READ_REG(hw, IXGBE_SECTXSTAT);
 987         regs_buff[1141] = IXGBE_READ_REG(hw, IXGBE_SECTXBUFFAF);
 988         regs_buff[1142] = IXGBE_READ_REG(hw, IXGBE_SECTXMINIFG);
 989         regs_buff[1143] = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
 990         regs_buff[1144] = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT);
 991 }
 992
 993 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 994 {
 995         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 996         return adapter->hw.eeprom.word_size * 2;
 997 }
 998
 999 static int ixgbe_get_eeprom(struct net_device *netdev,
1000                             struct ethtool_eeprom *eeprom, u8 *bytes)
1001 {
1002         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1003         struct ixgbe_hw *hw = &adapter->hw;
1004         u16 *eeprom_buff;
1005         int first_word, last_word, eeprom_len;
1006         int ret_val = 0;
1007         u16 i;
1008
1009         if (eeprom->len == 0)
1010                 return -EINVAL;
1011
1012         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1013
1014         first_word = eeprom->offset >> 1;
1015         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
1016         eeprom_len = last_word - first_word + 1;
1017
1018         eeprom_buff = kmalloc_array(eeprom_len, sizeof(u16), GFP_KERNEL);
1019         if (!eeprom_buff)
1020                 return -ENOMEM;
1021
1022         ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
1023                                              eeprom_buff);
1024
1025         /* Device's eeprom is always little-endian, word addressable */
1026         for (i = 0; i < eeprom_len; i++)
1027                 le16_to_cpus(&eeprom_buff[i]);
1028
1029         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
1030         kfree(eeprom_buff);
1031
1032         return ret_val;
1033 }
1034
1035 static int ixgbe_set_eeprom(struct net_device *netdev,
1036                             struct ethtool_eeprom *eeprom, u8 *bytes)
1037 {
1038         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1039         struct ixgbe_hw *hw = &adapter->hw;
1040         u16 *eeprom_buff;
1041         void *ptr;
1042         int max_len, first_word, last_word, ret_val = 0;
1043         u16 i;
1044
1045         if (eeprom->len == 0)
1046                 return -EINVAL;
1047
1048         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
1049                 return -EINVAL;
1050
1051         max_len = hw->eeprom.word_size * 2;
1052
1053         first_word = eeprom->offset >> 1;
1054         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
1055         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
1056         if (!eeprom_buff)
1057                 return -ENOMEM;
1058
1059         ptr = eeprom_buff;
1060
1061         if (eeprom->offset & 1) {
1062                 /*
1063                  * need read/modify/write of first changed EEPROM word
1064                  * only the second byte of the word is being modified
1065                  */
1066                 ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
1067                 if (ret_val)
1068                         goto err;
1069
1070                 ptr++;
1071         }
1072         if ((eeprom->offset + eeprom->len) & 1) {
1073                 /*
1074                  * need read/modify/write of last changed EEPROM word
1075                  * only the first byte of the word is being modified
1076                  */
1077                 ret_val = hw->eeprom.ops.read(hw, last_word,
1078                                           &eeprom_buff[last_word - first_word]);
1079                 if (ret_val)
1080                         goto err;
1081         }
1082
1083         /* Device's eeprom is always little-endian, word addressable */
1084         for (i = 0; i < last_word - first_word + 1; i++)
1085                 le16_to_cpus(&eeprom_buff[i]);
1086
1087         memcpy(ptr, bytes, eeprom->len);
1088
1089         for (i = 0; i < last_word - first_word + 1; i++)
1090                 cpu_to_le16s(&eeprom_buff[i]);
1091
1092         ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
1093                                               last_word - first_word + 1,
1094                                               eeprom_buff);
1095
1096         /* Update the checksum */
1097         if (ret_val == 0)
1098                 hw->eeprom.ops.update_checksum(hw);
1099
1100 err:
1101         kfree(eeprom_buff);
1102         return ret_val;
1103 }
1104
1105 static void ixgbe_get_drvinfo(struct net_device *netdev,
1106                               struct ethtool_drvinfo *drvinfo)
1107 {
1108         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1109
1110         strlcpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
1111
1112         strlcpy(drvinfo->fw_version, adapter->eeprom_id,
1113                 sizeof(drvinfo->fw_version));
1114
1115         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
1116                 sizeof(drvinfo->bus_info));
1117
1118         drvinfo->n_priv_flags = IXGBE_PRIV_FLAGS_STR_LEN;
1119 }
1120
1121 static void ixgbe_get_ringparam(struct net_device *netdev,
1122                                 struct ethtool_ringparam *ring)
1123 {
1124         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1125         struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
1126         struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
1127
1128         ring->rx_max_pending = IXGBE_MAX_RXD;
1129         ring->tx_max_pending = IXGBE_MAX_TXD;
1130         ring->rx_pending = rx_ring->count;
1131         ring->tx_pending = tx_ring->count;
1132 }
1133
1134 static int ixgbe_set_ringparam(struct net_device *netdev,
1135                                struct ethtool_ringparam *ring)
1136 {
1137         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1138         struct ixgbe_ring *temp_ring;
1139         int i, j, err = 0;
1140         u32 new_rx_count, new_tx_count;
1141
1142         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1143                 return -EINVAL;
1144
1145         new_tx_count = clamp_t(u32, ring->tx_pending,
1146                                IXGBE_MIN_TXD, IXGBE_MAX_TXD);
1147         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
1148
1149         new_rx_count = clamp_t(u32, ring->rx_pending,
1150                                IXGBE_MIN_RXD, IXGBE_MAX_RXD);
1151         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
1152
1153         if ((new_tx_count == adapter->tx_ring_count) &&
1154             (new_rx_count == adapter->rx_ring_count)) {
1155                 /* nothing to do */
1156                 return 0;
1157         }
1158
1159         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
1160                 usleep_range(1000, 2000);
1161
1162         if (!netif_running(adapter->netdev)) {
1163                 for (i = 0; i < adapter->num_tx_queues; i++)
1164                         adapter->tx_ring[i]->count = new_tx_count;
1165                 for (i = 0; i < adapter->num_xdp_queues; i++)
1166                         adapter->xdp_ring[i]->count = new_tx_count;
1167                 for (i = 0; i < adapter->num_rx_queues; i++)
1168                         adapter->rx_ring[i]->count = new_rx_count;
1169                 adapter->tx_ring_count = new_tx_count;
1170                 adapter->xdp_ring_count = new_tx_count;
1171                 adapter->rx_ring_count = new_rx_count;
1172                 goto clear_reset;
1173         }
1174
1175         /* allocate temporary buffer to store rings in */
1176         i = max_t(int, adapter->num_tx_queues + adapter->num_xdp_queues,
1177                   adapter->num_rx_queues);
1178         temp_ring = vmalloc(array_size(i, sizeof(struct ixgbe_ring)));
1179
1180         if (!temp_ring) {
1181                 err = -ENOMEM;
1182                 goto clear_reset;
1183         }
1184
1185         ixgbe_down(adapter);
1186
1187         /*
1188          * Setup new Tx resources and free the old Tx resources in that order.
1189          * We can then assign the new resources to the rings via a memcpy.
1190          * The advantage to this approach is that we are guaranteed to still
1191          * have resources even in the case of an allocation failure.
1192          */
1193         if (new_tx_count != adapter->tx_ring_count) {
1194                 for (i = 0; i < adapter->num_tx_queues; i++) {
1195                         memcpy(&temp_ring[i], adapter->tx_ring[i],
1196                                sizeof(struct ixgbe_ring));
1197
1198                         temp_ring[i].count = new_tx_count;
1199                         err = ixgbe_setup_tx_resources(&temp_ring[i]);
1200                         if (err) {
1201                                 while (i) {
1202                                         i--;
1203                                         ixgbe_free_tx_resources(&temp_ring[i]);
1204                                 }
1205                                 goto err_setup;
1206                         }
1207                 }
1208
1209                 for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
1210                         memcpy(&temp_ring[i], adapter->xdp_ring[j],
1211                                sizeof(struct ixgbe_ring));
1212
1213                         temp_ring[i].count = new_tx_count;
1214                         err = ixgbe_setup_tx_resources(&temp_ring[i]);
1215                         if (err) {
1216                                 while (i) {
1217                                         i--;
1218                                         ixgbe_free_tx_resources(&temp_ring[i]);
1219                                 }
1220                                 goto err_setup;
1221                         }
1222                 }
1223
1224                 for (i = 0; i < adapter->num_tx_queues; i++) {
1225                         ixgbe_free_tx_resources(adapter->tx_ring[i]);
1226
1227                         memcpy(adapter->tx_ring[i], &temp_ring[i],
1228                                sizeof(struct ixgbe_ring));
1229                 }
1230                 for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
1231                         ixgbe_free_tx_resources(adapter->xdp_ring[j]);
1232
1233                         memcpy(adapter->xdp_ring[j], &temp_ring[i],
1234                                sizeof(struct ixgbe_ring));
1235                 }
1236
1237                 adapter->tx_ring_count = new_tx_count;
1238         }
1239
1240         /* Repeat the process for the Rx rings if needed */
1241         if (new_rx_count != adapter->rx_ring_count) {
1242                 for (i = 0; i < adapter->num_rx_queues; i++) {
1243                         memcpy(&temp_ring[i], adapter->rx_ring[i],
1244                                sizeof(struct ixgbe_ring));
1245
1246                         /* Clear copied XDP RX-queue info */
1247                         memset(&temp_ring[i].xdp_rxq, 0,
1248                                sizeof(temp_ring[i].xdp_rxq));
1249
1250                         temp_ring[i].count = new_rx_count;
1251                         err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
1252                         if (err) {
1253                                 while (i) {
1254                                         i--;
1255                                         ixgbe_free_rx_resources(&temp_ring[i]);
1256                                 }
1257                                 goto err_setup;
1258                         }
1259
1260                 }
1261
1262                 for (i = 0; i < adapter->num_rx_queues; i++) {
1263                         ixgbe_free_rx_resources(adapter->rx_ring[i]);
1264
1265                         memcpy(adapter->rx_ring[i], &temp_ring[i],
1266                                sizeof(struct ixgbe_ring));
1267                 }
1268
1269                 adapter->rx_ring_count = new_rx_count;
1270         }
1271
1272 err_setup:
1273         ixgbe_up(adapter);
1274         vfree(temp_ring);
1275 clear_reset:
1276         clear_bit(__IXGBE_RESETTING, &adapter->state);
1277         return err;
1278 }
1279
1280 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1281 {
1282         switch (sset) {
1283         case ETH_SS_TEST:
1284                 return IXGBE_TEST_LEN;
1285         case ETH_SS_STATS:
1286                 return IXGBE_STATS_LEN;
1287         case ETH_SS_PRIV_FLAGS:
1288                 return IXGBE_PRIV_FLAGS_STR_LEN;
1289         default:
1290                 return -EOPNOTSUPP;
1291         }
1292 }
1293
1294 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1295                                     struct ethtool_stats *stats, u64 *data)
1296 {
1297         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1298         struct rtnl_link_stats64 temp;
1299         const struct rtnl_link_stats64 *net_stats;
1300         unsigned int start;
1301         struct ixgbe_ring *ring;
1302         int i, j;
1303         char *p = NULL;
1304
1305         ixgbe_update_stats(adapter);
1306         net_stats = dev_get_stats(netdev, &temp);
1307         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1308                 switch (ixgbe_gstrings_stats[i].type) {
1309                 case NETDEV_STATS:
1310                         p = (char *) net_stats +
1311                                         ixgbe_gstrings_stats[i].stat_offset;
1312                         break;
1313                 case IXGBE_STATS:
1314                         p = (char *) adapter +
1315                                         ixgbe_gstrings_stats[i].stat_offset;
1316                         break;
1317                 default:
1318                         data[i] = 0;
1319                         continue;
1320                 }
1321
1322                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1323                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1324         }
1325         for (j = 0; j < netdev->num_tx_queues; j++) {
1326                 ring = adapter->tx_ring[j];
1327                 if (!ring) {
1328                         data[i] = 0;
1329                         data[i+1] = 0;
1330                         i += 2;
1331                         continue;
1332                 }
1333
1334                 do {
1335                         start = u64_stats_fetch_begin_irq(&ring->syncp);
1336                         data[i]   = ring->stats.packets;
1337                         data[i+1] = ring->stats.bytes;
1338                 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
1339                 i += 2;
1340         }
1341         for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
1342                 ring = adapter->rx_ring[j];
1343                 if (!ring) {
1344                         data[i] = 0;
1345                         data[i+1] = 0;
1346                         i += 2;
1347                         continue;
1348                 }
1349
1350                 do {
1351                         start = u64_stats_fetch_begin_irq(&ring->syncp);
1352                         data[i]   = ring->stats.packets;
1353                         data[i+1] = ring->stats.bytes;
1354                 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
1355                 i += 2;
1356         }
1357
1358         for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1359                 data[i++] = adapter->stats.pxontxc[j];
1360                 data[i++] = adapter->stats.pxofftxc[j];
1361         }
1362         for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1363                 data[i++] = adapter->stats.pxonrxc[j];
1364                 data[i++] = adapter->stats.pxoffrxc[j];
1365         }
1366 }
1367
1368 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1369                               u8 *data)
1370 {
1371         unsigned int i;
1372         u8 *p = data;
1373
1374         switch (stringset) {
1375         case ETH_SS_TEST:
1376                 for (i = 0; i < IXGBE_TEST_LEN; i++)
1377                         ethtool_sprintf(&p, ixgbe_gstrings_test[i]);
1378                 break;
1379         case ETH_SS_STATS:
1380                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++)
1381                         ethtool_sprintf(&p,
1382                                         ixgbe_gstrings_stats[i].stat_string);
1383                 for (i = 0; i < netdev->num_tx_queues; i++) {
1384                         ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1385                         ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1386                 }
1387                 for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
1388                         ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1389                         ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1390                 }
1391                 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1392                         ethtool_sprintf(&p, "tx_pb_%u_pxon", i);
1393                         ethtool_sprintf(&p, "tx_pb_%u_pxoff", i);
1394                 }
1395                 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1396                         ethtool_sprintf(&p, "rx_pb_%u_pxon", i);
1397                         ethtool_sprintf(&p, "rx_pb_%u_pxoff", i);
1398                 }
1399                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1400                 break;
1401         case ETH_SS_PRIV_FLAGS:
1402                 memcpy(data, ixgbe_priv_flags_strings,
1403                        IXGBE_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
1404         }
1405 }
1406
1407 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1408 {
1409         struct ixgbe_hw *hw = &adapter->hw;
1410         bool link_up;
1411         u32 link_speed = 0;
1412
1413         if (ixgbe_removed(hw->hw_addr)) {
1414                 *data = 1;
1415                 return 1;
1416         }
1417         *data = 0;
1418
1419         hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1420         if (link_up)
1421                 return *data;
1422         else
1423                 *data = 1;
1424         return *data;
1425 }
1426
1427 /* ethtool register test data */
1428 struct ixgbe_reg_test {
1429         u16 reg;
1430         u8  array_len;
1431         u8  test_type;
1432         u32 mask;
1433         u32 write;
1434 };
1435
1436 /* In the hardware, registers are laid out either singly, in arrays
1437  * spaced 0x40 bytes apart, or in contiguous tables.  We assume
1438  * most tests take place on arrays or single registers (handled
1439  * as a single-element array) and special-case the tables.
1440  * Table tests are always pattern tests.
1441  *
1442  * We also make provision for some required setup steps by specifying
1443  * registers to be written without any read-back testing.
1444  */
1445
1446 #define PATTERN_TEST    1
1447 #define SET_READ_TEST   2
1448 #define WRITE_NO_TEST   3
1449 #define TABLE32_TEST    4
1450 #define TABLE64_TEST_LO 5
1451 #define TABLE64_TEST_HI 6
1452
1453 /* default 82599 register test */
1454 static const struct ixgbe_reg_test reg_test_82599[] = {
1455         { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1456         { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1457         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1458         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1459         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1460         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1461         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1462         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1463         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1464         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1465         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1466         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1467         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1468         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1469         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1470         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1471         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1472         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1473         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1474         { .reg = 0 }
1475 };
1476
1477 /* default 82598 register test */
1478 static const struct ixgbe_reg_test reg_test_82598[] = {
1479         { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1480         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1481         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1482         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1483         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1484         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1485         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1486         /* Enable all four RX queues before testing. */
1487         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1488         /* RDH is read-only for 82598, only test RDT. */
1489         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1490         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1491         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1492         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1493         { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1494         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1495         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1496         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1497         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1498         { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1499         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1500         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1501         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1502         { .reg = 0 }
1503 };
1504
1505 static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1506                              u32 mask, u32 write)
1507 {
1508         u32 pat, val, before;
1509         static const u32 test_pattern[] = {
1510                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1511
1512         if (ixgbe_removed(adapter->hw.hw_addr)) {
1513                 *data = 1;
1514                 return true;
1515         }
1516         for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
1517                 before = ixgbe_read_reg(&adapter->hw, reg);
1518                 ixgbe_write_reg(&adapter->hw, reg, test_pattern[pat] & write);
1519                 val = ixgbe_read_reg(&adapter->hw, reg);
1520                 if (val != (test_pattern[pat] & write & mask)) {
1521                         e_err(drv, "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
1522                               reg, val, (test_pattern[pat] & write & mask));
1523                         *data = reg;
1524                         ixgbe_write_reg(&adapter->hw, reg, before);
1525                         return true;
1526                 }
1527                 ixgbe_write_reg(&adapter->hw, reg, before);
1528         }
1529         return false;
1530 }
1531
1532 static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1533                               u32 mask, u32 write)
1534 {
1535         u32 val, before;
1536
1537         if (ixgbe_removed(adapter->hw.hw_addr)) {
1538                 *data = 1;
1539                 return true;
1540         }
1541         before = ixgbe_read_reg(&adapter->hw, reg);
1542         ixgbe_write_reg(&adapter->hw, reg, write & mask);
1543         val = ixgbe_read_reg(&adapter->hw, reg);
1544         if ((write & mask) != (val & mask)) {
1545                 e_err(drv, "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
1546                       reg, (val & mask), (write & mask));
1547                 *data = reg;
1548                 ixgbe_write_reg(&adapter->hw, reg, before);
1549                 return true;
1550         }
1551         ixgbe_write_reg(&adapter->hw, reg, before);
1552         return false;
1553 }
1554
1555 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1556 {
1557         const struct ixgbe_reg_test *test;
1558         u32 value, before, after;
1559         u32 i, toggle;
1560
1561         if (ixgbe_removed(adapter->hw.hw_addr)) {
1562                 e_err(drv, "Adapter removed - register test blocked\n");
1563                 *data = 1;
1564                 return 1;
1565         }
1566         switch (adapter->hw.mac.type) {
1567         case ixgbe_mac_82598EB:
1568                 toggle = 0x7FFFF3FF;
1569                 test = reg_test_82598;
1570                 break;
1571         case ixgbe_mac_82599EB:
1572         case ixgbe_mac_X540:
1573         case ixgbe_mac_X550:
1574         case ixgbe_mac_X550EM_x:
1575         case ixgbe_mac_x550em_a:
1576                 toggle = 0x7FFFF30F;
1577                 test = reg_test_82599;
1578                 break;
1579         default:
1580                 *data = 1;
1581                 return 1;
1582         }
1583
1584         /*
1585          * Because the status register is such a special case,
1586          * we handle it separately from the rest of the register
1587          * tests.  Some bits are read-only, some toggle, and some
1588          * are writeable on newer MACs.
1589          */
1590         before = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS);
1591         value = (ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle);
1592         ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, toggle);
1593         after = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle;
1594         if (value != after) {
1595                 e_err(drv, "failed STATUS register test got: 0x%08X expected: 0x%08X\n",
1596                       after, value);
1597                 *data = 1;
1598                 return 1;
1599         }
1600         /* restore previous status */
1601         ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, before);
1602
1603         /*
1604          * Perform the remainder of the register test, looping through
1605          * the test table until we either fail or reach the null entry.
1606          */
1607         while (test->reg) {
1608                 for (i = 0; i < test->array_len; i++) {
1609                         bool b = false;
1610
1611                         switch (test->test_type) {
1612                         case PATTERN_TEST:
1613                                 b = reg_pattern_test(adapter, data,
1614                                                      test->reg + (i * 0x40),
1615                                                      test->mask,
1616                                                      test->write);
1617                                 break;
1618                         case SET_READ_TEST:
1619                                 b = reg_set_and_check(adapter, data,
1620                                                       test->reg + (i * 0x40),
1621                                                       test->mask,
1622                                                       test->write);
1623                                 break;
1624                         case WRITE_NO_TEST:
1625                                 ixgbe_write_reg(&adapter->hw,
1626                                                 test->reg + (i * 0x40),
1627                                                 test->write);
1628                                 break;
1629                         case TABLE32_TEST:
1630                                 b = reg_pattern_test(adapter, data,
1631                                                      test->reg + (i * 4),
1632                                                      test->mask,
1633                                                      test->write);
1634                                 break;
1635                         case TABLE64_TEST_LO:
1636                                 b = reg_pattern_test(adapter, data,
1637                                                      test->reg + (i * 8),
1638                                                      test->mask,
1639                                                      test->write);
1640                                 break;
1641                         case TABLE64_TEST_HI:
1642                                 b = reg_pattern_test(adapter, data,
1643                                                      (test->reg + 4) + (i * 8),
1644                                                      test->mask,
1645                                                      test->write);
1646                                 break;
1647                         }
1648                         if (b)
1649                                 return 1;
1650                 }
1651                 test++;
1652         }
1653
1654         *data = 0;
1655         return 0;
1656 }
1657
1658 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1659 {
1660         struct ixgbe_hw *hw = &adapter->hw;
1661         if (hw->eeprom.ops.validate_checksum(hw, NULL))
1662                 *data = 1;
1663         else
1664                 *data = 0;
1665         return *data;
1666 }
1667
1668 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1669 {
1670         struct net_device *netdev = (struct net_device *) data;
1671         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1672
1673         adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1674
1675         return IRQ_HANDLED;
1676 }
1677
1678 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1679 {
1680         struct net_device *netdev = adapter->netdev;
1681         u32 mask, i = 0, shared_int = true;
1682         u32 irq = adapter->pdev->irq;
1683
1684         *data = 0;
1685
1686         /* Hook up test interrupt handler just for this test */
1687         if (adapter->msix_entries) {
1688                 /* NOTE: we don't test MSI-X interrupts here, yet */
1689                 return 0;
1690         } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1691                 shared_int = false;
1692                 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1693                                 netdev)) {
1694                         *data = 1;
1695                         return -1;
1696                 }
1697         } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1698                                 netdev->name, netdev)) {
1699                 shared_int = false;
1700         } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1701                                netdev->name, netdev)) {
1702                 *data = 1;
1703                 return -1;
1704         }
1705         e_info(hw, "testing %s interrupt\n", shared_int ?
1706                "shared" : "unshared");
1707
1708         /* Disable all the interrupts */
1709         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1710         IXGBE_WRITE_FLUSH(&adapter->hw);
1711         usleep_range(10000, 20000);
1712
1713         /* Test each interrupt */
1714         for (; i < 10; i++) {
1715                 /* Interrupt to test */
1716                 mask = BIT(i);
1717
1718                 if (!shared_int) {
1719                         /*
1720                          * Disable the interrupts to be reported in
1721                          * the cause register and then force the same
1722                          * interrupt and see if one gets posted.  If
1723                          * an interrupt was posted to the bus, the
1724                          * test failed.
1725                          */
1726                         adapter->test_icr = 0;
1727                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1728                                         ~mask & 0x00007FFF);
1729                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1730                                         ~mask & 0x00007FFF);
1731                         IXGBE_WRITE_FLUSH(&adapter->hw);
1732                         usleep_range(10000, 20000);
1733
1734                         if (adapter->test_icr & mask) {
1735                                 *data = 3;
1736                                 break;
1737                         }
1738                 }
1739
1740                 /*
1741                  * Enable the interrupt to be reported in the cause
1742                  * register and then force the same interrupt and see
1743                  * if one gets posted.  If an interrupt was not posted
1744                  * to the bus, the test failed.
1745                  */
1746                 adapter->test_icr = 0;
1747                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1748                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1749                 IXGBE_WRITE_FLUSH(&adapter->hw);
1750                 usleep_range(10000, 20000);
1751
1752                 if (!(adapter->test_icr & mask)) {
1753                         *data = 4;
1754                         break;
1755                 }
1756
1757                 if (!shared_int) {
1758                         /*
1759                          * Disable the other interrupts to be reported in
1760                          * the cause register and then force the other
1761                          * interrupts and see if any get posted.  If
1762                          * an interrupt was posted to the bus, the
1763                          * test failed.
1764                          */
1765                         adapter->test_icr = 0;
1766                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1767                                         ~mask & 0x00007FFF);
1768                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1769                                         ~mask & 0x00007FFF);
1770                         IXGBE_WRITE_FLUSH(&adapter->hw);
1771                         usleep_range(10000, 20000);
1772
1773                         if (adapter->test_icr) {
1774                                 *data = 5;
1775                                 break;
1776                         }
1777                 }
1778         }
1779
1780         /* Disable all the interrupts */
1781         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1782         IXGBE_WRITE_FLUSH(&adapter->hw);
1783         usleep_range(10000, 20000);
1784
1785         /* Unhook test interrupt handler */
1786         free_irq(irq, netdev);
1787
1788         return *data;
1789 }
1790
1791 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1792 {
1793         /* Shut down the DMA engines now so they can be reinitialized later,
1794          * since the test rings and normally used rings should overlap on
1795          * queue 0 we can just use the standard disable Rx/Tx calls and they
1796          * will take care of disabling the test rings for us.
1797          */
1798
1799         /* first Rx */
1800         ixgbe_disable_rx(adapter);
1801
1802         /* now Tx */
1803         ixgbe_disable_tx(adapter);
1804
1805         ixgbe_reset(adapter);
1806
1807         ixgbe_free_tx_resources(&adapter->test_tx_ring);
1808         ixgbe_free_rx_resources(&adapter->test_rx_ring);
1809 }
1810
1811 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1812 {
1813         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1814         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1815         struct ixgbe_hw *hw = &adapter->hw;
1816         u32 rctl, reg_data;
1817         int ret_val;
1818         int err;
1819
1820         /* Setup Tx descriptor ring and Tx buffers */
1821         tx_ring->count = IXGBE_DEFAULT_TXD;
1822         tx_ring->queue_index = 0;
1823         tx_ring->dev = &adapter->pdev->dev;
1824         tx_ring->netdev = adapter->netdev;
1825         tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1826
1827         err = ixgbe_setup_tx_resources(tx_ring);
1828         if (err)
1829                 return 1;
1830
1831         switch (adapter->hw.mac.type) {
1832         case ixgbe_mac_82599EB:
1833         case ixgbe_mac_X540:
1834         case ixgbe_mac_X550:
1835         case ixgbe_mac_X550EM_x:
1836         case ixgbe_mac_x550em_a:
1837                 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1838                 reg_data |= IXGBE_DMATXCTL_TE;
1839                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1840                 break;
1841         default:
1842                 break;
1843         }
1844
1845         ixgbe_configure_tx_ring(adapter, tx_ring);
1846
1847         /* Setup Rx Descriptor ring and Rx buffers */
1848         rx_ring->count = IXGBE_DEFAULT_RXD;
1849         rx_ring->queue_index = 0;
1850         rx_ring->dev = &adapter->pdev->dev;
1851         rx_ring->netdev = adapter->netdev;
1852         rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1853
1854         err = ixgbe_setup_rx_resources(adapter, rx_ring);
1855         if (err) {
1856                 ret_val = 4;
1857                 goto err_nomem;
1858         }
1859
1860         hw->mac.ops.disable_rx(hw);
1861
1862         ixgbe_configure_rx_ring(adapter, rx_ring);
1863
1864         rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1865         rctl |= IXGBE_RXCTRL_DMBYPS;
1866         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1867
1868         hw->mac.ops.enable_rx(hw);
1869
1870         return 0;
1871
1872 err_nomem:
1873         ixgbe_free_desc_rings(adapter);
1874         return ret_val;
1875 }
1876
1877 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1878 {
1879         struct ixgbe_hw *hw = &adapter->hw;
1880         u32 reg_data;
1881
1882
1883         /* Setup MAC loopback */
1884         reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1885         reg_data |= IXGBE_HLREG0_LPBK;
1886         IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1887
1888         reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1889         reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1890         IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1891
1892         /* X540 and X550 needs to set the MACC.FLU bit to force link up */
1893         switch (adapter->hw.mac.type) {
1894         case ixgbe_mac_X540:
1895         case ixgbe_mac_X550:
1896         case ixgbe_mac_X550EM_x:
1897         case ixgbe_mac_x550em_a:
1898                 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1899                 reg_data |= IXGBE_MACC_FLU;
1900                 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1901                 break;
1902         default:
1903                 if (hw->mac.orig_autoc) {
1904                         reg_data = hw->mac.orig_autoc | IXGBE_AUTOC_FLU;
1905                         IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1906                 } else {
1907                         return 10;
1908                 }
1909         }
1910         IXGBE_WRITE_FLUSH(hw);
1911         usleep_range(10000, 20000);
1912
1913         /* Disable Atlas Tx lanes; re-enabled in reset path */
1914         if (hw->mac.type == ixgbe_mac_82598EB) {
1915                 u8 atlas;
1916
1917                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1918                 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1919                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1920
1921                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1922                 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1923                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1924
1925                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1926                 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1927                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1928
1929                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1930                 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1931                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1932         }
1933
1934         return 0;
1935 }
1936
1937 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1938 {
1939         u32 reg_data;
1940
1941         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1942         reg_data &= ~IXGBE_HLREG0_LPBK;
1943         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1944 }
1945
1946 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1947                                       unsigned int frame_size)
1948 {
1949         memset(skb->data, 0xFF, frame_size);
1950         frame_size >>= 1;
1951         memset(&skb->data[frame_size], 0xAA, frame_size / 2 - 1);
1952         skb->data[frame_size + 10] = 0xBE;
1953         skb->data[frame_size + 12] = 0xAF;
1954 }
1955
1956 static bool ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer *rx_buffer,
1957                                      unsigned int frame_size)
1958 {
1959         unsigned char *data;
1960         bool match = true;
1961
1962         frame_size >>= 1;
1963
1964         data = kmap(rx_buffer->page) + rx_buffer->page_offset;
1965
1966         if (data[3] != 0xFF ||
1967             data[frame_size + 10] != 0xBE ||
1968             data[frame_size + 12] != 0xAF)
1969                 match = false;
1970
1971         kunmap(rx_buffer->page);
1972
1973         return match;
1974 }
1975
1976 static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
1977                                   struct ixgbe_ring *tx_ring,
1978                                   unsigned int size)
1979 {
1980         union ixgbe_adv_rx_desc *rx_desc;
1981         u16 rx_ntc, tx_ntc, count = 0;
1982
1983         /* initialize next to clean and descriptor values */
1984         rx_ntc = rx_ring->next_to_clean;
1985         tx_ntc = tx_ring->next_to_clean;
1986         rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
1987
1988         while (tx_ntc != tx_ring->next_to_use) {
1989                 union ixgbe_adv_tx_desc *tx_desc;
1990                 struct ixgbe_tx_buffer *tx_buffer;
1991
1992                 tx_desc = IXGBE_TX_DESC(tx_ring, tx_ntc);
1993
1994                 /* if DD is not set transmit has not completed */
1995                 if (!(tx_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)))
1996                         return count;
1997
1998                 /* unmap buffer on Tx side */
1999                 tx_buffer = &tx_ring->tx_buffer_info[tx_ntc];
2000
2001                 /* Free all the Tx ring sk_buffs */
2002                 dev_kfree_skb_any(tx_buffer->skb);
2003
2004                 /* unmap skb header data */
2005                 dma_unmap_single(tx_ring->dev,
2006                                  dma_unmap_addr(tx_buffer, dma),
2007                                  dma_unmap_len(tx_buffer, len),
2008                                  DMA_TO_DEVICE);
2009                 dma_unmap_len_set(tx_buffer, len, 0);
2010
2011                 /* increment Tx next to clean counter */
2012                 tx_ntc++;
2013                 if (tx_ntc == tx_ring->count)
2014                         tx_ntc = 0;
2015         }
2016
2017         while (rx_desc->wb.upper.length) {
2018                 struct ixgbe_rx_buffer *rx_buffer;
2019
2020                 /* check Rx buffer */
2021                 rx_buffer = &rx_ring->rx_buffer_info[rx_ntc];
2022
2023                 /* sync Rx buffer for CPU read */
2024                 dma_sync_single_for_cpu(rx_ring->dev,
2025                                         rx_buffer->dma,
2026                                         ixgbe_rx_bufsz(rx_ring),
2027                                         DMA_FROM_DEVICE);
2028
2029                 /* verify contents of skb */
2030                 if (ixgbe_check_lbtest_frame(rx_buffer, size))
2031                         count++;
2032                 else
2033                         break;
2034
2035                 /* sync Rx buffer for device write */
2036                 dma_sync_single_for_device(rx_ring->dev,
2037                                            rx_buffer->dma,
2038                                            ixgbe_rx_bufsz(rx_ring),
2039                                            DMA_FROM_DEVICE);
2040
2041                 /* increment Rx next to clean counter */
2042                 rx_ntc++;
2043                 if (rx_ntc == rx_ring->count)
2044                         rx_ntc = 0;
2045
2046                 /* fetch next descriptor */
2047                 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
2048         }
2049
2050         netdev_tx_reset_queue(txring_txq(tx_ring));
2051
2052         /* re-map buffers to ring, store next to clean values */
2053         ixgbe_alloc_rx_buffers(rx_ring, count);
2054         rx_ring->next_to_clean = rx_ntc;
2055         tx_ring->next_to_clean = tx_ntc;
2056
2057         return count;
2058 }
2059
2060 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
2061 {
2062         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
2063         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
2064         int i, j, lc, good_cnt, ret_val = 0;
2065         unsigned int size = 1024;
2066         netdev_tx_t tx_ret_val;
2067         struct sk_buff *skb;
2068         u32 flags_orig = adapter->flags;
2069
2070         /* DCB can modify the frames on Tx */
2071         adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
2072
2073         /* allocate test skb */
2074         skb = alloc_skb(size, GFP_KERNEL);
2075         if (!skb)
2076                 return 11;
2077
2078         /* place data into test skb */
2079         ixgbe_create_lbtest_frame(skb, size);
2080         skb_put(skb, size);
2081
2082         /*
2083          * Calculate the loop count based on the largest descriptor ring
2084          * The idea is to wrap the largest ring a number of times using 64
2085          * send/receive pairs during each loop
2086          */
2087
2088         if (rx_ring->count <= tx_ring->count)
2089                 lc = ((tx_ring->count / 64) * 2) + 1;
2090         else
2091                 lc = ((rx_ring->count / 64) * 2) + 1;
2092
2093         for (j = 0; j <= lc; j++) {
2094                 /* reset count of good packets */
2095                 good_cnt = 0;
2096
2097                 /* place 64 packets on the transmit queue*/
2098                 for (i = 0; i < 64; i++) {
2099                         skb_get(skb);
2100                         tx_ret_val = ixgbe_xmit_frame_ring(skb,
2101                                                            adapter,
2102                                                            tx_ring);
2103                         if (tx_ret_val == NETDEV_TX_OK)
2104                                 good_cnt++;
2105                 }
2106
2107                 if (good_cnt != 64) {
2108                         ret_val = 12;
2109                         break;
2110                 }
2111
2112                 /* allow 200 milliseconds for packets to go from Tx to Rx */
2113                 msleep(200);
2114
2115                 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
2116                 if (good_cnt != 64) {
2117                         ret_val = 13;
2118                         break;
2119                 }
2120         }
2121
2122         /* free the original skb */
2123         kfree_skb(skb);
2124         adapter->flags = flags_orig;
2125
2126         return ret_val;
2127 }
2128
2129 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
2130 {
2131         *data = ixgbe_setup_desc_rings(adapter);
2132         if (*data)
2133                 goto out;
2134         *data = ixgbe_setup_loopback_test(adapter);
2135         if (*data)
2136                 goto err_loopback;
2137         *data = ixgbe_run_loopback_test(adapter);
2138         ixgbe_loopback_cleanup(adapter);
2139
2140 err_loopback:
2141         ixgbe_free_desc_rings(adapter);
2142 out:
2143         return *data;
2144 }
2145
2146 static void ixgbe_diag_test(struct net_device *netdev,
2147                             struct ethtool_test *eth_test, u64 *data)
2148 {
2149         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2150         bool if_running = netif_running(netdev);
2151
2152         if (ixgbe_removed(adapter->hw.hw_addr)) {
2153                 e_err(hw, "Adapter removed - test blocked\n");
2154                 data[0] = 1;
2155                 data[1] = 1;
2156                 data[2] = 1;
2157                 data[3] = 1;
2158                 data[4] = 1;
2159                 eth_test->flags |= ETH_TEST_FL_FAILED;
2160                 return;
2161         }
2162         set_bit(__IXGBE_TESTING, &adapter->state);
2163         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
2164                 struct ixgbe_hw *hw = &adapter->hw;
2165
2166                 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
2167                         int i;
2168                         for (i = 0; i < adapter->num_vfs; i++) {
2169                                 if (adapter->vfinfo[i].clear_to_send) {
2170                                         netdev_warn(netdev, "offline diagnostic is not supported when VFs are present\n");
2171                                         data[0] = 1;
2172                                         data[1] = 1;
2173                                         data[2] = 1;
2174                                         data[3] = 1;
2175                                         data[4] = 1;
2176                                         eth_test->flags |= ETH_TEST_FL_FAILED;
2177                                         clear_bit(__IXGBE_TESTING,
2178                                                   &adapter->state);
2179                                         return;
2180                                 }
2181                         }
2182                 }
2183
2184                 /* Offline tests */
2185                 e_info(hw, "offline testing starting\n");
2186
2187                 /* Link test performed before hardware reset so autoneg doesn't
2188                  * interfere with test result
2189                  */
2190                 if (ixgbe_link_test(adapter, &data[4]))
2191                         eth_test->flags |= ETH_TEST_FL_FAILED;
2192
2193                 if (if_running)
2194                         /* indicate we're in test mode */
2195                         ixgbe_close(netdev);
2196                 else
2197                         ixgbe_reset(adapter);
2198
2199                 e_info(hw, "register testing starting\n");
2200                 if (ixgbe_reg_test(adapter, &data[0]))
2201                         eth_test->flags |= ETH_TEST_FL_FAILED;
2202
2203                 ixgbe_reset(adapter);
2204                 e_info(hw, "eeprom testing starting\n");
2205                 if (ixgbe_eeprom_test(adapter, &data[1]))
2206                         eth_test->flags |= ETH_TEST_FL_FAILED;
2207
2208                 ixgbe_reset(adapter);
2209                 e_info(hw, "interrupt testing starting\n");
2210                 if (ixgbe_intr_test(adapter, &data[2]))
2211                         eth_test->flags |= ETH_TEST_FL_FAILED;
2212
2213                 /* If SRIOV or VMDq is enabled then skip MAC
2214                  * loopback diagnostic. */
2215                 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
2216                                       IXGBE_FLAG_VMDQ_ENABLED)) {
2217                         e_info(hw, "Skip MAC loopback diagnostic in VT mode\n");
2218                         data[3] = 0;
2219                         goto skip_loopback;
2220                 }
2221
2222                 ixgbe_reset(adapter);
2223                 e_info(hw, "loopback testing starting\n");
2224                 if (ixgbe_loopback_test(adapter, &data[3]))
2225                         eth_test->flags |= ETH_TEST_FL_FAILED;
2226
2227 skip_loopback:
2228                 ixgbe_reset(adapter);
2229
2230                 /* clear testing bit and return adapter to previous state */
2231                 clear_bit(__IXGBE_TESTING, &adapter->state);
2232                 if (if_running)
2233                         ixgbe_open(netdev);
2234                 else if (hw->mac.ops.disable_tx_laser)
2235                         hw->mac.ops.disable_tx_laser(hw);
2236         } else {
2237                 e_info(hw, "online testing starting\n");
2238
2239                 /* Online tests */
2240                 if (ixgbe_link_test(adapter, &data[4]))
2241                         eth_test->flags |= ETH_TEST_FL_FAILED;
2242
2243                 /* Offline tests aren't run; pass by default */
2244                 data[0] = 0;
2245                 data[1] = 0;
2246                 data[2] = 0;
2247                 data[3] = 0;
2248
2249                 clear_bit(__IXGBE_TESTING, &adapter->state);
2250         }
2251 }
2252
2253 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
2254                                struct ethtool_wolinfo *wol)
2255 {
2256         struct ixgbe_hw *hw = &adapter->hw;
2257         int retval = 0;
2258
2259         /* WOL not supported for all devices */
2260         if (!ixgbe_wol_supported(adapter, hw->device_id,
2261                                  hw->subsystem_device_id)) {
2262                 retval = 1;
2263                 wol->supported = 0;
2264         }
2265
2266         return retval;
2267 }
2268
2269 static void ixgbe_get_wol(struct net_device *netdev,
2270                           struct ethtool_wolinfo *wol)
2271 {
2272         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2273
2274         wol->supported = WAKE_UCAST | WAKE_MCAST |
2275                          WAKE_BCAST | WAKE_MAGIC;
2276         wol->wolopts = 0;
2277
2278         if (ixgbe_wol_exclusion(adapter, wol) ||
2279             !device_can_wakeup(&adapter->pdev->dev))
2280                 return;
2281
2282         if (adapter->wol & IXGBE_WUFC_EX)
2283                 wol->wolopts |= WAKE_UCAST;
2284         if (adapter->wol & IXGBE_WUFC_MC)
2285                 wol->wolopts |= WAKE_MCAST;
2286         if (adapter->wol & IXGBE_WUFC_BC)
2287                 wol->wolopts |= WAKE_BCAST;
2288         if (adapter->wol & IXGBE_WUFC_MAG)
2289                 wol->wolopts |= WAKE_MAGIC;
2290 }
2291
2292 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2293 {
2294         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2295
2296         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE |
2297                             WAKE_FILTER))
2298                 return -EOPNOTSUPP;
2299
2300         if (ixgbe_wol_exclusion(adapter, wol))
2301                 return wol->wolopts ? -EOPNOTSUPP : 0;
2302
2303         adapter->wol = 0;
2304
2305         if (wol->wolopts & WAKE_UCAST)
2306                 adapter->wol |= IXGBE_WUFC_EX;
2307         if (wol->wolopts & WAKE_MCAST)
2308                 adapter->wol |= IXGBE_WUFC_MC;
2309         if (wol->wolopts & WAKE_BCAST)
2310                 adapter->wol |= IXGBE_WUFC_BC;
2311         if (wol->wolopts & WAKE_MAGIC)
2312                 adapter->wol |= IXGBE_WUFC_MAG;
2313
2314         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2315
2316         return 0;
2317 }
2318
2319 static int ixgbe_nway_reset(struct net_device *netdev)
2320 {
2321         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2322
2323         if (netif_running(netdev))
2324                 ixgbe_reinit_locked(adapter);
2325
2326         return 0;
2327 }
2328
2329 static int ixgbe_set_phys_id(struct net_device *netdev,
2330                              enum ethtool_phys_id_state state)
2331 {
2332         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2333         struct ixgbe_hw *hw = &adapter->hw;
2334
2335         if (!hw->mac.ops.led_on || !hw->mac.ops.led_off)
2336                 return -EOPNOTSUPP;
2337
2338         switch (state) {
2339         case ETHTOOL_ID_ACTIVE:
2340                 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2341                 return 2;
2342
2343         case ETHTOOL_ID_ON:
2344                 hw->mac.ops.led_on(hw, hw->mac.led_link_act);
2345                 break;
2346
2347         case ETHTOOL_ID_OFF:
2348                 hw->mac.ops.led_off(hw, hw->mac.led_link_act);
2349                 break;
2350
2351         case ETHTOOL_ID_INACTIVE:
2352                 /* Restore LED settings */
2353                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2354                 break;
2355         }
2356
2357         return 0;
2358 }
2359
2360 static int ixgbe_get_coalesce(struct net_device *netdev,
2361                               struct ethtool_coalesce *ec,
2362                               struct kernel_ethtool_coalesce *kernel_coal,
2363                               struct netlink_ext_ack *extack)
2364 {
2365         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2366
2367         /* only valid if in constant ITR mode */
2368         if (adapter->rx_itr_setting <= 1)
2369                 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2370         else
2371                 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2372
2373         /* if in mixed tx/rx queues per vector mode, report only rx settings */
2374         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2375                 return 0;
2376
2377         /* only valid if in constant ITR mode */
2378         if (adapter->tx_itr_setting <= 1)
2379                 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2380         else
2381                 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2382
2383         return 0;
2384 }
2385
2386 /*
2387  * this function must be called before setting the new value of
2388  * rx_itr_setting
2389  */
2390 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
2391 {
2392         struct net_device *netdev = adapter->netdev;
2393
2394         /* nothing to do if LRO or RSC are not enabled */
2395         if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
2396             !(netdev->features & NETIF_F_LRO))
2397                 return false;
2398
2399         /* check the feature flag value and enable RSC if necessary */
2400         if (adapter->rx_itr_setting == 1 ||
2401             adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2402                 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2403                         adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2404                         e_info(probe, "rx-usecs value high enough to re-enable RSC\n");
2405                         return true;
2406                 }
2407         /* if interrupt rate is too high then disable RSC */
2408         } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2409                 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2410                 e_info(probe, "rx-usecs set too low, disabling RSC\n");
2411                 return true;
2412         }
2413         return false;
2414 }
2415
2416 static int ixgbe_set_coalesce(struct net_device *netdev,
2417                               struct ethtool_coalesce *ec,
2418                               struct kernel_ethtool_coalesce *kernel_coal,
2419                               struct netlink_ext_ack *extack)
2420 {
2421         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2422         struct ixgbe_q_vector *q_vector;
2423         int i;
2424         u16 tx_itr_param, rx_itr_param, tx_itr_prev;
2425         bool need_reset = false;
2426
2427         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count) {
2428                 /* reject Tx specific changes in case of mixed RxTx vectors */
2429                 if (ec->tx_coalesce_usecs)
2430                         return -EINVAL;
2431                 tx_itr_prev = adapter->rx_itr_setting;
2432         } else {
2433                 tx_itr_prev = adapter->tx_itr_setting;
2434         }
2435
2436         if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2437             (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2438                 return -EINVAL;
2439
2440         if (ec->rx_coalesce_usecs > 1)
2441                 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2442         else
2443                 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2444
2445         if (adapter->rx_itr_setting == 1)
2446                 rx_itr_param = IXGBE_20K_ITR;
2447         else
2448                 rx_itr_param = adapter->rx_itr_setting;
2449
2450         if (ec->tx_coalesce_usecs > 1)
2451                 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2452         else
2453                 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2454
2455         if (adapter->tx_itr_setting == 1)
2456                 tx_itr_param = IXGBE_12K_ITR;
2457         else
2458                 tx_itr_param = adapter->tx_itr_setting;
2459
2460         /* mixed Rx/Tx */
2461         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2462                 adapter->tx_itr_setting = adapter->rx_itr_setting;
2463
2464         /* detect ITR changes that require update of TXDCTL.WTHRESH */
2465         if ((adapter->tx_itr_setting != 1) &&
2466             (adapter->tx_itr_setting < IXGBE_100K_ITR)) {
2467                 if ((tx_itr_prev == 1) ||
2468                     (tx_itr_prev >= IXGBE_100K_ITR))
2469                         need_reset = true;
2470         } else {
2471                 if ((tx_itr_prev != 1) &&
2472                     (tx_itr_prev < IXGBE_100K_ITR))
2473                         need_reset = true;
2474         }
2475
2476         /* check the old value and enable RSC if necessary */
2477         need_reset |= ixgbe_update_rsc(adapter);
2478
2479         for (i = 0; i < adapter->num_q_vectors; i++) {
2480                 q_vector = adapter->q_vector[i];
2481                 if (q_vector->tx.count && !q_vector->rx.count)
2482                         /* tx only */
2483                         q_vector->itr = tx_itr_param;
2484                 else
2485                         /* rx only or mixed */
2486                         q_vector->itr = rx_itr_param;
2487                 ixgbe_write_eitr(q_vector);
2488         }
2489
2490         /*
2491          * do reset here at the end to make sure EITR==0 case is handled
2492          * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2493          * also locks in RSC enable/disable which requires reset
2494          */
2495         if (need_reset)
2496                 ixgbe_do_reset(netdev);
2497
2498         return 0;
2499 }
2500
2501 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2502                                         struct ethtool_rxnfc *cmd)
2503 {
2504         union ixgbe_atr_input *mask = &adapter->fdir_mask;
2505         struct ethtool_rx_flow_spec *fsp =
2506                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2507         struct hlist_node *node2;
2508         struct ixgbe_fdir_filter *rule = NULL;
2509
2510         /* report total rule count */
2511         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2512
2513         hlist_for_each_entry_safe(rule, node2,
2514                                   &adapter->fdir_filter_list, fdir_node) {
2515                 if (fsp->location <= rule->sw_idx)
2516                         break;
2517         }
2518
2519         if (!rule || fsp->location != rule->sw_idx)
2520                 return -EINVAL;
2521
2522         /* fill out the flow spec entry */
2523
2524         /* set flow type field */
2525         switch (rule->filter.formatted.flow_type) {
2526         case IXGBE_ATR_FLOW_TYPE_TCPV4:
2527                 fsp->flow_type = TCP_V4_FLOW;
2528                 break;
2529         case IXGBE_ATR_FLOW_TYPE_UDPV4:
2530                 fsp->flow_type = UDP_V4_FLOW;
2531                 break;
2532         case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2533                 fsp->flow_type = SCTP_V4_FLOW;
2534                 break;
2535         case IXGBE_ATR_FLOW_TYPE_IPV4:
2536                 fsp->flow_type = IP_USER_FLOW;
2537                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2538                 fsp->h_u.usr_ip4_spec.proto = 0;
2539                 fsp->m_u.usr_ip4_spec.proto = 0;
2540                 break;
2541         default:
2542                 return -EINVAL;
2543         }
2544
2545         fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2546         fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2547         fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2548         fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2549         fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2550         fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2551         fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2552         fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2553         fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2554         fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2555         fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2556         fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2557         fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2558         fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2559         fsp->flow_type |= FLOW_EXT;
2560
2561         /* record action */
2562         if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2563                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2564         else
2565                 fsp->ring_cookie = rule->action;
2566
2567         return 0;
2568 }
2569
2570 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2571                                       struct ethtool_rxnfc *cmd,
2572                                       u32 *rule_locs)
2573 {
2574         struct hlist_node *node2;
2575         struct ixgbe_fdir_filter *rule;
2576         int cnt = 0;
2577
2578         /* report total rule count */
2579         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2580
2581         hlist_for_each_entry_safe(rule, node2,
2582                                   &adapter->fdir_filter_list, fdir_node) {
2583                 if (cnt == cmd->rule_cnt)
2584                         return -EMSGSIZE;
2585                 rule_locs[cnt] = rule->sw_idx;
2586                 cnt++;
2587         }
2588
2589         cmd->rule_cnt = cnt;
2590
2591         return 0;
2592 }
2593
2594 static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter,
2595                                    struct ethtool_rxnfc *cmd)
2596 {
2597         cmd->data = 0;
2598
2599         /* Report default options for RSS on ixgbe */
2600         switch (cmd->flow_type) {
2601         case TCP_V4_FLOW:
2602                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2603                 fallthrough;
2604         case UDP_V4_FLOW:
2605                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2606                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2607                 fallthrough;
2608         case SCTP_V4_FLOW:
2609         case AH_ESP_V4_FLOW:
2610         case AH_V4_FLOW:
2611         case ESP_V4_FLOW:
2612         case IPV4_FLOW:
2613                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2614                 break;
2615         case TCP_V6_FLOW:
2616                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2617                 fallthrough;
2618         case UDP_V6_FLOW:
2619                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2620                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2621                 fallthrough;
2622         case SCTP_V6_FLOW:
2623         case AH_ESP_V6_FLOW:
2624         case AH_V6_FLOW:
2625         case ESP_V6_FLOW:
2626         case IPV6_FLOW:
2627                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2628                 break;
2629         default:
2630                 return -EINVAL;
2631         }
2632
2633         return 0;
2634 }
2635
2636 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2637                            u32 *rule_locs)
2638 {
2639         struct ixgbe_adapter *adapter = netdev_priv(dev);
2640         int ret = -EOPNOTSUPP;
2641
2642         switch (cmd->cmd) {
2643         case ETHTOOL_GRXRINGS:
2644                 cmd->data = adapter->num_rx_queues;
2645                 ret = 0;
2646                 break;
2647         case ETHTOOL_GRXCLSRLCNT:
2648                 cmd->rule_cnt = adapter->fdir_filter_count;
2649                 ret = 0;
2650                 break;
2651         case ETHTOOL_GRXCLSRULE:
2652                 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2653                 break;
2654         case ETHTOOL_GRXCLSRLALL:
2655                 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
2656                 break;
2657         case ETHTOOL_GRXFH:
2658                 ret = ixgbe_get_rss_hash_opts(adapter, cmd);
2659                 break;
2660         default:
2661                 break;
2662         }
2663
2664         return ret;
2665 }
2666
2667 int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2668                                     struct ixgbe_fdir_filter *input,
2669                                     u16 sw_idx)
2670 {
2671         struct ixgbe_hw *hw = &adapter->hw;
2672         struct hlist_node *node2;
2673         struct ixgbe_fdir_filter *rule, *parent;
2674         int err = -EINVAL;
2675
2676         parent = NULL;
2677         rule = NULL;
2678
2679         hlist_for_each_entry_safe(rule, node2,
2680                                   &adapter->fdir_filter_list, fdir_node) {
2681                 /* hash found, or no matching entry */
2682                 if (rule->sw_idx >= sw_idx)
2683                         break;
2684                 parent = rule;
2685         }
2686
2687         /* if there is an old rule occupying our place remove it */
2688         if (rule && (rule->sw_idx == sw_idx)) {
2689                 if (!input || (rule->filter.formatted.bkt_hash !=
2690                                input->filter.formatted.bkt_hash)) {
2691                         err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2692                                                                 &rule->filter,
2693                                                                 sw_idx);
2694                 }
2695
2696                 hlist_del(&rule->fdir_node);
2697                 kfree(rule);
2698                 adapter->fdir_filter_count--;
2699         }
2700
2701         /*
2702          * If no input this was a delete, err should be 0 if a rule was
2703          * successfully found and removed from the list else -EINVAL
2704          */
2705         if (!input)
2706                 return err;
2707
2708         /* initialize node and set software index */
2709         INIT_HLIST_NODE(&input->fdir_node);
2710
2711         /* add filter to the list */
2712         if (parent)
2713                 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2714         else
2715                 hlist_add_head(&input->fdir_node,
2716                                &adapter->fdir_filter_list);
2717
2718         /* update counts */
2719         adapter->fdir_filter_count++;
2720
2721         return 0;
2722 }
2723
2724 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2725                                        u8 *flow_type)
2726 {
2727         switch (fsp->flow_type & ~FLOW_EXT) {
2728         case TCP_V4_FLOW:
2729                 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2730                 break;
2731         case UDP_V4_FLOW:
2732                 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2733                 break;
2734         case SCTP_V4_FLOW:
2735                 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2736                 break;
2737         case IP_USER_FLOW:
2738                 switch (fsp->h_u.usr_ip4_spec.proto) {
2739                 case IPPROTO_TCP:
2740                         *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2741                         break;
2742                 case IPPROTO_UDP:
2743                         *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2744                         break;
2745                 case IPPROTO_SCTP:
2746                         *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2747                         break;
2748                 case 0:
2749                         if (!fsp->m_u.usr_ip4_spec.proto) {
2750                                 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2751                                 break;
2752                         }
2753                         fallthrough;
2754                 default:
2755                         return 0;
2756                 }
2757                 break;
2758         default:
2759                 return 0;
2760         }
2761
2762         return 1;
2763 }
2764
2765 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2766                                         struct ethtool_rxnfc *cmd)
2767 {
2768         struct ethtool_rx_flow_spec *fsp =
2769                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2770         struct ixgbe_hw *hw = &adapter->hw;
2771         struct ixgbe_fdir_filter *input;
2772         union ixgbe_atr_input mask;
2773         u8 queue;
2774         int err;
2775
2776         if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2777                 return -EOPNOTSUPP;
2778
2779         /* ring_cookie is a masked into a set of queues and ixgbe pools or
2780          * we use the drop index.
2781          */
2782         if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
2783                 queue = IXGBE_FDIR_DROP_QUEUE;
2784         } else {
2785                 u32 ring = ethtool_get_flow_spec_ring(fsp->ring_cookie);
2786                 u8 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
2787
2788                 if (!vf && (ring >= adapter->num_rx_queues))
2789                         return -EINVAL;
2790                 else if (vf &&
2791                          ((vf > adapter->num_vfs) ||
2792                            ring >= adapter->num_rx_queues_per_pool))
2793                         return -EINVAL;
2794
2795                 /* Map the ring onto the absolute queue index */
2796                 if (!vf)
2797                         queue = adapter->rx_ring[ring]->reg_idx;
2798                 else
2799                         queue = ((vf - 1) *
2800                                 adapter->num_rx_queues_per_pool) + ring;
2801         }
2802
2803         /* Don't allow indexes to exist outside of available space */
2804         if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2805                 e_err(drv, "Location out of range\n");
2806                 return -EINVAL;
2807         }
2808
2809         input = kzalloc(sizeof(*input), GFP_ATOMIC);
2810         if (!input)
2811                 return -ENOMEM;
2812
2813         memset(&mask, 0, sizeof(union ixgbe_atr_input));
2814
2815         /* set SW index */
2816         input->sw_idx = fsp->location;
2817
2818         /* record flow type */
2819         if (!ixgbe_flowspec_to_flow_type(fsp,
2820                                          &input->filter.formatted.flow_type)) {
2821                 e_err(drv, "Unrecognized flow type\n");
2822                 goto err_out;
2823         }
2824
2825         mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2826                                    IXGBE_ATR_L4TYPE_MASK;
2827
2828         if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2829                 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2830
2831         /* Copy input into formatted structures */
2832         input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2833         mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2834         input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2835         mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2836         input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2837         mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2838         input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2839         mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2840
2841         if (fsp->flow_type & FLOW_EXT) {
2842                 input->filter.formatted.vm_pool =
2843                                 (unsigned char)ntohl(fsp->h_ext.data[1]);
2844                 mask.formatted.vm_pool =
2845                                 (unsigned char)ntohl(fsp->m_ext.data[1]);
2846                 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2847                 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2848                 input->filter.formatted.flex_bytes =
2849                                                 fsp->h_ext.vlan_etype;
2850                 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2851         }
2852
2853         /* determine if we need to drop or route the packet */
2854         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2855                 input->action = IXGBE_FDIR_DROP_QUEUE;
2856         else
2857                 input->action = fsp->ring_cookie;
2858
2859         spin_lock(&adapter->fdir_perfect_lock);
2860
2861         if (hlist_empty(&adapter->fdir_filter_list)) {
2862                 /* save mask and program input mask into HW */
2863                 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2864                 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2865                 if (err) {
2866                         e_err(drv, "Error writing mask\n");
2867                         goto err_out_w_lock;
2868                 }
2869         } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2870                 e_err(drv, "Only one mask supported per port\n");
2871                 goto err_out_w_lock;
2872         }
2873
2874         /* apply mask and compute/store hash */
2875         ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2876
2877         /* program filters to filter memory */
2878         err = ixgbe_fdir_write_perfect_filter_82599(hw,
2879                                 &input->filter, input->sw_idx, queue);
2880         if (err)
2881                 goto err_out_w_lock;
2882
2883         ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2884
2885         spin_unlock(&adapter->fdir_perfect_lock);
2886
2887         return err;
2888 err_out_w_lock:
2889         spin_unlock(&adapter->fdir_perfect_lock);
2890 err_out:
2891         kfree(input);
2892         return -EINVAL;
2893 }
2894
2895 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2896                                         struct ethtool_rxnfc *cmd)
2897 {
2898         struct ethtool_rx_flow_spec *fsp =
2899                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2900         int err;
2901
2902         spin_lock(&adapter->fdir_perfect_lock);
2903         err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
2904         spin_unlock(&adapter->fdir_perfect_lock);
2905
2906         return err;
2907 }
2908
2909 #define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
2910                        IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2911 static int ixgbe_set_rss_hash_opt(struct ixgbe_adapter *adapter,
2912                                   struct ethtool_rxnfc *nfc)
2913 {
2914         u32 flags2 = adapter->flags2;
2915
2916         /*
2917          * RSS does not support anything other than hashing
2918          * to queues on src and dst IPs and ports
2919          */
2920         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2921                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2922                 return -EINVAL;
2923
2924         switch (nfc->flow_type) {
2925         case TCP_V4_FLOW:
2926         case TCP_V6_FLOW:
2927                 if (!(nfc->data & RXH_IP_SRC) ||
2928                     !(nfc->data & RXH_IP_DST) ||
2929                     !(nfc->data & RXH_L4_B_0_1) ||
2930                     !(nfc->data & RXH_L4_B_2_3))
2931                         return -EINVAL;
2932                 break;
2933         case UDP_V4_FLOW:
2934                 if (!(nfc->data & RXH_IP_SRC) ||
2935                     !(nfc->data & RXH_IP_DST))
2936                         return -EINVAL;
2937                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2938                 case 0:
2939                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2940                         break;
2941                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2942                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2943                         break;
2944                 default:
2945                         return -EINVAL;
2946                 }
2947                 break;
2948         case UDP_V6_FLOW:
2949                 if (!(nfc->data & RXH_IP_SRC) ||
2950                     !(nfc->data & RXH_IP_DST))
2951                         return -EINVAL;
2952                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2953                 case 0:
2954                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2955                         break;
2956                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2957                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2958                         break;
2959                 default:
2960                         return -EINVAL;
2961                 }
2962                 break;
2963         case AH_ESP_V4_FLOW:
2964         case AH_V4_FLOW:
2965         case ESP_V4_FLOW:
2966         case SCTP_V4_FLOW:
2967         case AH_ESP_V6_FLOW:
2968         case AH_V6_FLOW:
2969         case ESP_V6_FLOW:
2970         case SCTP_V6_FLOW:
2971                 if (!(nfc->data & RXH_IP_SRC) ||
2972                     !(nfc->data & RXH_IP_DST) ||
2973                     (nfc->data & RXH_L4_B_0_1) ||
2974                     (nfc->data & RXH_L4_B_2_3))
2975                         return -EINVAL;
2976                 break;
2977         default:
2978                 return -EINVAL;
2979         }
2980
2981         /* if we changed something we need to update flags */
2982         if (flags2 != adapter->flags2) {
2983                 struct ixgbe_hw *hw = &adapter->hw;
2984                 u32 mrqc;
2985                 unsigned int pf_pool = adapter->num_vfs;
2986
2987                 if ((hw->mac.type >= ixgbe_mac_X550) &&
2988                     (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
2989                         mrqc = IXGBE_READ_REG(hw, IXGBE_PFVFMRQC(pf_pool));
2990                 else
2991                         mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
2992
2993                 if ((flags2 & UDP_RSS_FLAGS) &&
2994                     !(adapter->flags2 & UDP_RSS_FLAGS))
2995                         e_warn(drv, "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
2996
2997                 adapter->flags2 = flags2;
2998
2999                 /* Perform hash on these packet types */
3000                 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
3001                       | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
3002                       | IXGBE_MRQC_RSS_FIELD_IPV6
3003                       | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
3004
3005                 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
3006                           IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
3007
3008                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
3009                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
3010
3011                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
3012                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
3013
3014                 if ((hw->mac.type >= ixgbe_mac_X550) &&
3015                     (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
3016                         IXGBE_WRITE_REG(hw, IXGBE_PFVFMRQC(pf_pool), mrqc);
3017                 else
3018                         IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
3019         }
3020
3021         return 0;
3022 }
3023
3024 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
3025 {
3026         struct ixgbe_adapter *adapter = netdev_priv(dev);
3027         int ret = -EOPNOTSUPP;
3028
3029         switch (cmd->cmd) {
3030         case ETHTOOL_SRXCLSRLINS:
3031                 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
3032                 break;
3033         case ETHTOOL_SRXCLSRLDEL:
3034                 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
3035                 break;
3036         case ETHTOOL_SRXFH:
3037                 ret = ixgbe_set_rss_hash_opt(adapter, cmd);
3038                 break;
3039         default:
3040                 break;
3041         }
3042
3043         return ret;
3044 }
3045
3046 static int ixgbe_rss_indir_tbl_max(struct ixgbe_adapter *adapter)
3047 {
3048         if (adapter->hw.mac.type < ixgbe_mac_X550)
3049                 return 16;
3050         else
3051                 return 64;
3052 }
3053
3054 static u32 ixgbe_get_rxfh_key_size(struct net_device *netdev)
3055 {
3056         return IXGBE_RSS_KEY_SIZE;
3057 }
3058
3059 static u32 ixgbe_rss_indir_size(struct net_device *netdev)
3060 {
3061         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3062
3063         return ixgbe_rss_indir_tbl_entries(adapter);
3064 }
3065
3066 static void ixgbe_get_reta(struct ixgbe_adapter *adapter, u32 *indir)
3067 {
3068         int i, reta_size = ixgbe_rss_indir_tbl_entries(adapter);
3069         u16 rss_m = adapter->ring_feature[RING_F_RSS].mask;
3070
3071         if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3072                 rss_m = adapter->ring_feature[RING_F_RSS].indices - 1;
3073
3074         for (i = 0; i < reta_size; i++)
3075                 indir[i] = adapter->rss_indir_tbl[i] & rss_m;
3076 }
3077
3078 static int ixgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
3079                           u8 *hfunc)
3080 {
3081         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3082
3083         if (hfunc)
3084                 *hfunc = ETH_RSS_HASH_TOP;
3085
3086         if (indir)
3087                 ixgbe_get_reta(adapter, indir);
3088
3089         if (key)
3090                 memcpy(key, adapter->rss_key, ixgbe_get_rxfh_key_size(netdev));
3091
3092         return 0;
3093 }
3094
3095 static int ixgbe_set_rxfh(struct net_device *netdev, const u32 *indir,
3096                           const u8 *key, const u8 hfunc)
3097 {
3098         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3099         int i;
3100         u32 reta_entries = ixgbe_rss_indir_tbl_entries(adapter);
3101
3102         if (hfunc)
3103                 return -EINVAL;
3104
3105         /* Fill out the redirection table */
3106         if (indir) {
3107                 int max_queues = min_t(int, adapter->num_rx_queues,
3108                                        ixgbe_rss_indir_tbl_max(adapter));
3109
3110                 /*Allow at least 2 queues w/ SR-IOV.*/
3111                 if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) &&
3112                     (max_queues < 2))
3113                         max_queues = 2;
3114
3115                 /* Verify user input. */
3116                 for (i = 0; i < reta_entries; i++)
3117                         if (indir[i] >= max_queues)
3118                                 return -EINVAL;
3119
3120                 for (i = 0; i < reta_entries; i++)
3121                         adapter->rss_indir_tbl[i] = indir[i];
3122
3123                 ixgbe_store_reta(adapter);
3124         }
3125
3126         /* Fill out the rss hash key */
3127         if (key) {
3128                 memcpy(adapter->rss_key, key, ixgbe_get_rxfh_key_size(netdev));
3129                 ixgbe_store_key(adapter);
3130         }
3131
3132         return 0;
3133 }
3134
3135 static int ixgbe_get_ts_info(struct net_device *dev,
3136                              struct ethtool_ts_info *info)
3137 {
3138         struct ixgbe_adapter *adapter = netdev_priv(dev);
3139
3140         /* we always support timestamping disabled */
3141         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);
3142
3143         switch (adapter->hw.mac.type) {
3144         case ixgbe_mac_X550:
3145         case ixgbe_mac_X550EM_x:
3146         case ixgbe_mac_x550em_a:
3147                 info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);
3148                 break;
3149         case ixgbe_mac_X540:
3150         case ixgbe_mac_82599EB:
3151                 info->rx_filters |=
3152                         BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
3153                         BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
3154                         BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
3155                 break;
3156         default:
3157                 return ethtool_op_get_ts_info(dev, info);
3158         }
3159
3160         info->so_timestamping =
3161                 SOF_TIMESTAMPING_TX_SOFTWARE |
3162                 SOF_TIMESTAMPING_RX_SOFTWARE |
3163                 SOF_TIMESTAMPING_SOFTWARE |
3164                 SOF_TIMESTAMPING_TX_HARDWARE |
3165                 SOF_TIMESTAMPING_RX_HARDWARE |
3166                 SOF_TIMESTAMPING_RAW_HARDWARE;
3167
3168         if (adapter->ptp_clock)
3169                 info->phc_index = ptp_clock_index(adapter->ptp_clock);
3170         else
3171                 info->phc_index = -1;
3172
3173         info->tx_types =
3174                 BIT(HWTSTAMP_TX_OFF) |
3175                 BIT(HWTSTAMP_TX_ON);
3176
3177         return 0;
3178 }
3179
3180 static unsigned int ixgbe_max_channels(struct ixgbe_adapter *adapter)
3181 {
3182         unsigned int max_combined;
3183         u8 tcs = adapter->hw_tcs;
3184
3185         if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
3186                 /* We only support one q_vector without MSI-X */
3187                 max_combined = 1;
3188         } else if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
3189                 /* Limit value based on the queue mask */
3190                 max_combined = adapter->ring_feature[RING_F_RSS].mask + 1;
3191         } else if (tcs > 1) {
3192                 /* For DCB report channels per traffic class */
3193                 if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
3194                         /* 8 TC w/ 4 queues per TC */
3195                         max_combined = 4;
3196                 } else if (tcs > 4) {
3197                         /* 8 TC w/ 8 queues per TC */
3198                         max_combined = 8;
3199                 } else {
3200                         /* 4 TC w/ 16 queues per TC */
3201                         max_combined = 16;
3202                 }
3203         } else if (adapter->atr_sample_rate) {
3204                 /* support up to 64 queues with ATR */
3205                 max_combined = IXGBE_MAX_FDIR_INDICES;
3206         } else {
3207                 /* support up to 16 queues with RSS */
3208                 max_combined = ixgbe_max_rss_indices(adapter);
3209         }
3210
3211         return min_t(int, max_combined, num_online_cpus());
3212 }
3213
3214 static void ixgbe_get_channels(struct net_device *dev,
3215                                struct ethtool_channels *ch)
3216 {
3217         struct ixgbe_adapter *adapter = netdev_priv(dev);
3218
3219         /* report maximum channels */
3220         ch->max_combined = ixgbe_max_channels(adapter);
3221
3222         /* report info for other vector */
3223         if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
3224                 ch->max_other = NON_Q_VECTORS;
3225                 ch->other_count = NON_Q_VECTORS;
3226         }
3227
3228         /* record RSS queues */
3229         ch->combined_count = adapter->ring_feature[RING_F_RSS].indices;
3230
3231         /* nothing else to report if RSS is disabled */
3232         if (ch->combined_count == 1)
3233                 return;
3234
3235         /* we do not support ATR queueing if SR-IOV is enabled */
3236         if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3237                 return;
3238
3239         /* same thing goes for being DCB enabled */
3240         if (adapter->hw_tcs > 1)
3241                 return;
3242
3243         /* if ATR is disabled we can exit */
3244         if (!adapter->atr_sample_rate)
3245                 return;
3246
3247         /* report flow director queues as maximum channels */
3248         ch->combined_count = adapter->ring_feature[RING_F_FDIR].indices;
3249 }
3250
3251 static int ixgbe_set_channels(struct net_device *dev,
3252                               struct ethtool_channels *ch)
3253 {
3254         struct ixgbe_adapter *adapter = netdev_priv(dev);
3255         unsigned int count = ch->combined_count;
3256         u8 max_rss_indices = ixgbe_max_rss_indices(adapter);
3257
3258         /* verify they are not requesting separate vectors */
3259         if (!count || ch->rx_count || ch->tx_count)
3260                 return -EINVAL;
3261
3262         /* verify other_count has not changed */
3263         if (ch->other_count != NON_Q_VECTORS)
3264                 return -EINVAL;
3265
3266         /* verify the number of channels does not exceed hardware limits */
3267         if (count > ixgbe_max_channels(adapter))
3268                 return -EINVAL;
3269
3270         /* update feature limits from largest to smallest supported values */
3271         adapter->ring_feature[RING_F_FDIR].limit = count;
3272
3273         /* cap RSS limit */
3274         if (count > max_rss_indices)
3275                 count = max_rss_indices;
3276         adapter->ring_feature[RING_F_RSS].limit = count;
3277
3278 #ifdef IXGBE_FCOE
3279         /* cap FCoE limit at 8 */
3280         if (count > IXGBE_FCRETA_SIZE)
3281                 count = IXGBE_FCRETA_SIZE;
3282         adapter->ring_feature[RING_F_FCOE].limit = count;
3283
3284 #endif
3285         /* use setup TC to update any traffic class queue mapping */
3286         return ixgbe_setup_tc(dev, adapter->hw_tcs);
3287 }
3288
3289 static int ixgbe_get_module_info(struct net_device *dev,
3290                                        struct ethtool_modinfo *modinfo)
3291 {
3292         struct ixgbe_adapter *adapter = netdev_priv(dev);
3293         struct ixgbe_hw *hw = &adapter->hw;
3294         s32 status;
3295         u8 sff8472_rev, addr_mode;
3296         bool page_swap = false;
3297
3298         if (hw->phy.type == ixgbe_phy_fw)
3299                 return -ENXIO;
3300
3301         /* Check whether we support SFF-8472 or not */
3302         status = hw->phy.ops.read_i2c_eeprom(hw,
3303                                              IXGBE_SFF_SFF_8472_COMP,
3304                                              &sff8472_rev);
3305         if (status)
3306                 return -EIO;
3307
3308         /* addressing mode is not supported */
3309         status = hw->phy.ops.read_i2c_eeprom(hw,
3310                                              IXGBE_SFF_SFF_8472_SWAP,
3311                                              &addr_mode);
3312         if (status)
3313                 return -EIO;
3314
3315         if (addr_mode & IXGBE_SFF_ADDRESSING_MODE) {
3316                 e_err(drv, "Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
3317                 page_swap = true;
3318         }
3319
3320         if (sff8472_rev == IXGBE_SFF_SFF_8472_UNSUP || page_swap ||
3321             !(addr_mode & IXGBE_SFF_DDM_IMPLEMENTED)) {
3322                 /* We have a SFP, but it does not support SFF-8472 */
3323                 modinfo->type = ETH_MODULE_SFF_8079;
3324                 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3325         } else {
3326                 /* We have a SFP which supports a revision of SFF-8472. */
3327                 modinfo->type = ETH_MODULE_SFF_8472;
3328                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3329         }
3330
3331         return 0;
3332 }
3333
3334 static int ixgbe_get_module_eeprom(struct net_device *dev,
3335                                          struct ethtool_eeprom *ee,
3336                                          u8 *data)
3337 {
3338         struct ixgbe_adapter *adapter = netdev_priv(dev);
3339         struct ixgbe_hw *hw = &adapter->hw;
3340         s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
3341         u8 databyte = 0xFF;
3342         int i = 0;
3343
3344         if (ee->len == 0)
3345                 return -EINVAL;
3346
3347         if (hw->phy.type == ixgbe_phy_fw)
3348                 return -ENXIO;
3349
3350         for (i = ee->offset; i < ee->offset + ee->len; i++) {
3351                 /* I2C reads can take long time */
3352                 if (test_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
3353                         return -EBUSY;
3354
3355                 if (i < ETH_MODULE_SFF_8079_LEN)
3356                         status = hw->phy.ops.read_i2c_eeprom(hw, i, &databyte);
3357                 else
3358                         status = hw->phy.ops.read_i2c_sff8472(hw, i, &databyte);
3359
3360                 if (status)
3361                         return -EIO;
3362
3363                 data[i - ee->offset] = databyte;
3364         }
3365
3366         return 0;
3367 }
3368
3369 static const struct {
3370         ixgbe_link_speed mac_speed;
3371         u32 supported;
3372 } ixgbe_ls_map[] = {
3373         { IXGBE_LINK_SPEED_10_FULL, SUPPORTED_10baseT_Full },
3374         { IXGBE_LINK_SPEED_100_FULL, SUPPORTED_100baseT_Full },
3375         { IXGBE_LINK_SPEED_1GB_FULL, SUPPORTED_1000baseT_Full },
3376         { IXGBE_LINK_SPEED_2_5GB_FULL, SUPPORTED_2500baseX_Full },
3377         { IXGBE_LINK_SPEED_10GB_FULL, SUPPORTED_10000baseT_Full },
3378 };
3379
3380 static const struct {
3381         u32 lp_advertised;
3382         u32 mac_speed;
3383 } ixgbe_lp_map[] = {
3384         { FW_PHY_ACT_UD_2_100M_TX_EEE, SUPPORTED_100baseT_Full },
3385         { FW_PHY_ACT_UD_2_1G_T_EEE, SUPPORTED_1000baseT_Full },
3386         { FW_PHY_ACT_UD_2_10G_T_EEE, SUPPORTED_10000baseT_Full },
3387         { FW_PHY_ACT_UD_2_1G_KX_EEE, SUPPORTED_1000baseKX_Full },
3388         { FW_PHY_ACT_UD_2_10G_KX4_EEE, SUPPORTED_10000baseKX4_Full },
3389         { FW_PHY_ACT_UD_2_10G_KR_EEE, SUPPORTED_10000baseKR_Full},
3390 };
3391
3392 static int
3393 ixgbe_get_eee_fw(struct ixgbe_adapter *adapter, struct ethtool_eee *edata)
3394 {
3395         u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
3396         struct ixgbe_hw *hw = &adapter->hw;
3397         s32 rc;
3398         u16 i;
3399
3400         rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_UD_2, &info);
3401         if (rc)
3402                 return rc;
3403
3404         edata->lp_advertised = 0;
3405         for (i = 0; i < ARRAY_SIZE(ixgbe_lp_map); ++i) {
3406                 if (info[0] & ixgbe_lp_map[i].lp_advertised)
3407                         edata->lp_advertised |= ixgbe_lp_map[i].mac_speed;
3408         }
3409
3410         edata->supported = 0;
3411         for (i = 0; i < ARRAY_SIZE(ixgbe_ls_map); ++i) {
3412                 if (hw->phy.eee_speeds_supported & ixgbe_ls_map[i].mac_speed)
3413                         edata->supported |= ixgbe_ls_map[i].supported;
3414         }
3415
3416         edata->advertised = 0;
3417         for (i = 0; i < ARRAY_SIZE(ixgbe_ls_map); ++i) {
3418                 if (hw->phy.eee_speeds_advertised & ixgbe_ls_map[i].mac_speed)
3419                         edata->advertised |= ixgbe_ls_map[i].supported;
3420         }
3421
3422         edata->eee_enabled = !!edata->advertised;
3423         edata->tx_lpi_enabled = edata->eee_enabled;
3424         if (edata->advertised & edata->lp_advertised)
3425                 edata->eee_active = true;
3426
3427         return 0;
3428 }
3429
3430 static int ixgbe_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
3431 {
3432         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3433         struct ixgbe_hw *hw = &adapter->hw;
3434
3435         if (!(adapter->flags2 & IXGBE_FLAG2_EEE_CAPABLE))
3436                 return -EOPNOTSUPP;
3437
3438         if (hw->phy.eee_speeds_supported && hw->phy.type == ixgbe_phy_fw)
3439                 return ixgbe_get_eee_fw(adapter, edata);
3440
3441         return -EOPNOTSUPP;
3442 }
3443
3444 static int ixgbe_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
3445 {
3446         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3447         struct ixgbe_hw *hw = &adapter->hw;
3448         struct ethtool_eee eee_data;
3449         s32 ret_val;
3450
3451         if (!(adapter->flags2 & IXGBE_FLAG2_EEE_CAPABLE))
3452                 return -EOPNOTSUPP;
3453
3454         memset(&eee_data, 0, sizeof(struct ethtool_eee));
3455
3456         ret_val = ixgbe_get_eee(netdev, &eee_data);
3457         if (ret_val)
3458                 return ret_val;
3459
3460         if (eee_data.eee_enabled && !edata->eee_enabled) {
3461                 if (eee_data.tx_lpi_enabled != edata->tx_lpi_enabled) {
3462                         e_err(drv, "Setting EEE tx-lpi is not supported\n");
3463                         return -EINVAL;
3464                 }
3465
3466                 if (eee_data.tx_lpi_timer != edata->tx_lpi_timer) {
3467                         e_err(drv,
3468                               "Setting EEE Tx LPI timer is not supported\n");
3469                         return -EINVAL;
3470                 }
3471
3472                 if (eee_data.advertised != edata->advertised) {
3473                         e_err(drv,
3474                               "Setting EEE advertised speeds is not supported\n");
3475                         return -EINVAL;
3476                 }
3477         }
3478
3479         if (eee_data.eee_enabled != edata->eee_enabled) {
3480                 if (edata->eee_enabled) {
3481                         adapter->flags2 |= IXGBE_FLAG2_EEE_ENABLED;
3482                         hw->phy.eee_speeds_advertised =
3483                                                    hw->phy.eee_speeds_supported;
3484                 } else {
3485                         adapter->flags2 &= ~IXGBE_FLAG2_EEE_ENABLED;
3486                         hw->phy.eee_speeds_advertised = 0;
3487                 }
3488
3489                 /* reset link */
3490                 if (netif_running(netdev))
3491                         ixgbe_reinit_locked(adapter);
3492                 else
3493                         ixgbe_reset(adapter);
3494         }
3495
3496         return 0;
3497 }
3498
3499 static u32 ixgbe_get_priv_flags(struct net_device *netdev)
3500 {
3501         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3502         u32 priv_flags = 0;
3503
3504         if (adapter->flags2 & IXGBE_FLAG2_RX_LEGACY)
3505                 priv_flags |= IXGBE_PRIV_FLAGS_LEGACY_RX;
3506
3507         if (adapter->flags2 & IXGBE_FLAG2_VF_IPSEC_ENABLED)
3508                 priv_flags |= IXGBE_PRIV_FLAGS_VF_IPSEC_EN;
3509
3510         return priv_flags;
3511 }
3512
3513 static int ixgbe_set_priv_flags(struct net_device *netdev, u32 priv_flags)
3514 {
3515         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3516         unsigned int flags2 = adapter->flags2;
3517
3518         flags2 &= ~IXGBE_FLAG2_RX_LEGACY;
3519         if (priv_flags & IXGBE_PRIV_FLAGS_LEGACY_RX)
3520                 flags2 |= IXGBE_FLAG2_RX_LEGACY;
3521
3522         flags2 &= ~IXGBE_FLAG2_VF_IPSEC_ENABLED;
3523         if (priv_flags & IXGBE_PRIV_FLAGS_VF_IPSEC_EN)
3524                 flags2 |= IXGBE_FLAG2_VF_IPSEC_ENABLED;
3525
3526         if (flags2 != adapter->flags2) {
3527                 adapter->flags2 = flags2;
3528
3529                 /* reset interface to repopulate queues */
3530                 if (netif_running(netdev))
3531                         ixgbe_reinit_locked(adapter);
3532         }
3533
3534         return 0;
3535 }
3536
3537 static const struct ethtool_ops ixgbe_ethtool_ops = {
3538         .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
3539         .get_drvinfo            = ixgbe_get_drvinfo,
3540         .get_regs_len           = ixgbe_get_regs_len,
3541         .get_regs               = ixgbe_get_regs,
3542         .get_wol                = ixgbe_get_wol,
3543         .set_wol                = ixgbe_set_wol,
3544         .nway_reset             = ixgbe_nway_reset,
3545         .get_link               = ethtool_op_get_link,
3546         .get_eeprom_len         = ixgbe_get_eeprom_len,
3547         .get_eeprom             = ixgbe_get_eeprom,
3548         .set_eeprom             = ixgbe_set_eeprom,
3549         .get_ringparam          = ixgbe_get_ringparam,
3550         .set_ringparam          = ixgbe_set_ringparam,
3551         .get_pause_stats        = ixgbe_get_pause_stats,
3552         .get_pauseparam         = ixgbe_get_pauseparam,
3553         .set_pauseparam         = ixgbe_set_pauseparam,
3554         .get_msglevel           = ixgbe_get_msglevel,
3555         .set_msglevel           = ixgbe_set_msglevel,
3556         .self_test              = ixgbe_diag_test,
3557         .get_strings            = ixgbe_get_strings,
3558         .set_phys_id            = ixgbe_set_phys_id,
3559         .get_sset_count         = ixgbe_get_sset_count,
3560         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
3561         .get_coalesce           = ixgbe_get_coalesce,
3562         .set_coalesce           = ixgbe_set_coalesce,
3563         .get_rxnfc              = ixgbe_get_rxnfc,
3564         .set_rxnfc              = ixgbe_set_rxnfc,
3565         .get_rxfh_indir_size    = ixgbe_rss_indir_size,
3566         .get_rxfh_key_size      = ixgbe_get_rxfh_key_size,
3567         .get_rxfh               = ixgbe_get_rxfh,
3568         .set_rxfh               = ixgbe_set_rxfh,
3569         .get_eee                = ixgbe_get_eee,
3570         .set_eee                = ixgbe_set_eee,
3571         .get_channels           = ixgbe_get_channels,
3572         .set_channels           = ixgbe_set_channels,
3573         .get_priv_flags         = ixgbe_get_priv_flags,
3574         .set_priv_flags         = ixgbe_set_priv_flags,
3575         .get_ts_info            = ixgbe_get_ts_info,
3576         .get_module_info        = ixgbe_get_module_info,
3577         .get_module_eeprom      = ixgbe_get_module_eeprom,
3578         .get_link_ksettings     = ixgbe_get_link_ksettings,
3579         .set_link_ksettings     = ixgbe_set_link_ksettings,
3580 };
3581
3582 void ixgbe_set_ethtool_ops(struct net_device *netdev)
3583 {
3584         netdev->ethtool_ops = &ixgbe_ethtool_ops;
3585 }