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

   1 /*******************************************************************************
   2
   3   Intel 10 Gigabit PCI Express Linux driver
   4   Copyright(c) 1999 - 2013 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  24   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25
  26 *******************************************************************************/
  27
  28 /* ethtool support for ixgbe */
  29
  30 #include <linux/interrupt.h>
  31 #include <linux/types.h>
  32 #include <linux/module.h>
  33 #include <linux/slab.h>
  34 #include <linux/pci.h>
  35 #include <linux/netdevice.h>
  36 #include <linux/ethtool.h>
  37 #include <linux/vmalloc.h>
  38 #include <linux/highmem.h>
  39 #include <linux/uaccess.h>
  40
  41 #include "ixgbe.h"
  42 #include "ixgbe_phy.h"
  43
  44
  45 #define IXGBE_ALL_RAR_ENTRIES 16
  46
  47 enum {NETDEV_STATS, IXGBE_STATS};
  48
  49 struct ixgbe_stats {
  50         char stat_string[ETH_GSTRING_LEN];
  51         int type;
  52         int sizeof_stat;
  53         int stat_offset;
  54 };
  55
  56 #define IXGBE_STAT(m)           IXGBE_STATS, \
  57                                 sizeof(((struct ixgbe_adapter *)0)->m), \
  58                                 offsetof(struct ixgbe_adapter, m)
  59 #define IXGBE_NETDEV_STAT(m)    NETDEV_STATS, \
  60                                 sizeof(((struct rtnl_link_stats64 *)0)->m), \
  61                                 offsetof(struct rtnl_link_stats64, m)
  62
  63 static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
  64         {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
  65         {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
  66         {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
  67         {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
  68         {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
  69         {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
  70         {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
  71         {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
  72         {"lsc_int", IXGBE_STAT(lsc_int)},
  73         {"tx_busy", IXGBE_STAT(tx_busy)},
  74         {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
  75         {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
  76         {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
  77         {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
  78         {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
  79         {"multicast", IXGBE_NETDEV_STAT(multicast)},
  80         {"broadcast", IXGBE_STAT(stats.bprc)},
  81         {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
  82         {"collisions", IXGBE_NETDEV_STAT(collisions)},
  83         {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
  84         {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
  85         {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
  86         {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
  87         {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
  88         {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
  89         {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
  90         {"fdir_overflow", IXGBE_STAT(fdir_overflow)},
  91         {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
  92         {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
  93         {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
  94         {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
  95         {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
  96         {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
  97         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
  98         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
  99         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
 100         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
 101         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
 102         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
 103         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
 104         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
 105         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
 106         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
 107         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
 108         {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
 109         {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
 110         {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
 111         {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
 112         {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
 113 #ifdef IXGBE_FCOE
 114         {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
 115         {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
 116         {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
 117         {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
 118         {"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
 119         {"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
 120         {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
 121         {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
 122 #endif /* IXGBE_FCOE */
 123 };
 124
 125 /* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
 126  * we set the num_rx_queues to evaluate to num_tx_queues. This is
 127  * used because we do not have a good way to get the max number of
 128  * rx queues with CONFIG_RPS disabled.
 129  */
 130 #define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
 131
 132 #define IXGBE_QUEUE_STATS_LEN ( \
 133         (netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
 134         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 135 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 136 #define IXGBE_PB_STATS_LEN ( \
 137                         (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 138                          sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 139                          sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 140                          sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 141                         / sizeof(u64))
 142 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 143                          IXGBE_PB_STATS_LEN + \
 144                          IXGBE_QUEUE_STATS_LEN)
 145
 146 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
 147         "Register test  (offline)", "Eeprom test    (offline)",
 148         "Interrupt test (offline)", "Loopback test  (offline)",
 149         "Link test   (on/offline)"
 150 };
 151 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
 152
 153 static int ixgbe_get_settings(struct net_device *netdev,
 154                               struct ethtool_cmd *ecmd)
 155 {
 156         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 157         struct ixgbe_hw *hw = &adapter->hw;
 158         ixgbe_link_speed supported_link;
 159         u32 link_speed = 0;
 160         bool autoneg = false;
 161         bool link_up;
 162
 163         /* SFP type is needed for get_link_capabilities */
 164         if (hw->phy.media_type & (ixgbe_media_type_fiber |
 165                                   ixgbe_media_type_fiber_qsfp)) {
 166                 if (hw->phy.sfp_type == ixgbe_sfp_type_not_present)
 167                                 hw->phy.ops.identify_sfp(hw);
 168         }
 169
 170         hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg);
 171
 172         /* set the supported link speeds */
 173         if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
 174                 ecmd->supported |= SUPPORTED_10000baseT_Full;
 175         if (supported_link & IXGBE_LINK_SPEED_1GB_FULL)
 176                 ecmd->supported |= SUPPORTED_1000baseT_Full;
 177         if (supported_link & IXGBE_LINK_SPEED_100_FULL)
 178                 ecmd->supported |= SUPPORTED_100baseT_Full;
 179
 180         /* set the advertised speeds */
 181         if (hw->phy.autoneg_advertised) {
 182                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
 183                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 184                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
 185                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 186                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
 187                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 188         } else {
 189                 /* default modes in case phy.autoneg_advertised isn't set */
 190                 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
 191                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 192                 if (supported_link & IXGBE_LINK_SPEED_1GB_FULL)
 193                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 194                 if (supported_link & IXGBE_LINK_SPEED_100_FULL)
 195                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 196
 197                 if (hw->phy.multispeed_fiber && !autoneg) {
 198                         if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
 199                                 ecmd->advertising = ADVERTISED_10000baseT_Full;
 200                 }
 201         }
 202
 203         if (autoneg) {
 204                 ecmd->supported |= SUPPORTED_Autoneg;
 205                 ecmd->advertising |= ADVERTISED_Autoneg;
 206                 ecmd->autoneg = AUTONEG_ENABLE;
 207         } else
 208                 ecmd->autoneg = AUTONEG_DISABLE;
 209
 210         ecmd->transceiver = XCVR_EXTERNAL;
 211
 212         /* Determine the remaining settings based on the PHY type. */
 213         switch (adapter->hw.phy.type) {
 214         case ixgbe_phy_tn:
 215         case ixgbe_phy_aq:
 216         case ixgbe_phy_cu_unknown:
 217                 ecmd->supported |= SUPPORTED_TP;
 218                 ecmd->advertising |= ADVERTISED_TP;
 219                 ecmd->port = PORT_TP;
 220                 break;
 221         case ixgbe_phy_qt:
 222                 ecmd->supported |= SUPPORTED_FIBRE;
 223                 ecmd->advertising |= ADVERTISED_FIBRE;
 224                 ecmd->port = PORT_FIBRE;
 225                 break;
 226         case ixgbe_phy_nl:
 227         case ixgbe_phy_sfp_passive_tyco:
 228         case ixgbe_phy_sfp_passive_unknown:
 229         case ixgbe_phy_sfp_ftl:
 230         case ixgbe_phy_sfp_avago:
 231         case ixgbe_phy_sfp_intel:
 232         case ixgbe_phy_sfp_unknown:
 233                 /* SFP+ devices, further checking needed */
 234                 switch (adapter->hw.phy.sfp_type) {
 235                 case ixgbe_sfp_type_da_cu:
 236                 case ixgbe_sfp_type_da_cu_core0:
 237                 case ixgbe_sfp_type_da_cu_core1:
 238                         ecmd->supported |= SUPPORTED_FIBRE;
 239                         ecmd->advertising |= ADVERTISED_FIBRE;
 240                         ecmd->port = PORT_DA;
 241                         break;
 242                 case ixgbe_sfp_type_sr:
 243                 case ixgbe_sfp_type_lr:
 244                 case ixgbe_sfp_type_srlr_core0:
 245                 case ixgbe_sfp_type_srlr_core1:
 246                 case ixgbe_sfp_type_1g_sx_core0:
 247                 case ixgbe_sfp_type_1g_sx_core1:
 248                 case ixgbe_sfp_type_1g_lx_core0:
 249                 case ixgbe_sfp_type_1g_lx_core1:
 250                         ecmd->supported |= SUPPORTED_FIBRE;
 251                         ecmd->advertising |= ADVERTISED_FIBRE;
 252                         ecmd->port = PORT_FIBRE;
 253                         break;
 254                 case ixgbe_sfp_type_not_present:
 255                         ecmd->supported |= SUPPORTED_FIBRE;
 256                         ecmd->advertising |= ADVERTISED_FIBRE;
 257                         ecmd->port = PORT_NONE;
 258                         break;
 259                 case ixgbe_sfp_type_1g_cu_core0:
 260                 case ixgbe_sfp_type_1g_cu_core1:
 261                         ecmd->supported |= SUPPORTED_TP;
 262                         ecmd->advertising |= ADVERTISED_TP;
 263                         ecmd->port = PORT_TP;
 264                         break;
 265                 case ixgbe_sfp_type_unknown:
 266                 default:
 267                         ecmd->supported |= SUPPORTED_FIBRE;
 268                         ecmd->advertising |= ADVERTISED_FIBRE;
 269                         ecmd->port = PORT_OTHER;
 270                         break;
 271                 }
 272                 break;
 273         case ixgbe_phy_xaui:
 274                 ecmd->supported |= SUPPORTED_FIBRE;
 275                 ecmd->advertising |= ADVERTISED_FIBRE;
 276                 ecmd->port = PORT_NONE;
 277                 break;
 278         case ixgbe_phy_unknown:
 279         case ixgbe_phy_generic:
 280         case ixgbe_phy_sfp_unsupported:
 281         default:
 282                 ecmd->supported |= SUPPORTED_FIBRE;
 283                 ecmd->advertising |= ADVERTISED_FIBRE;
 284                 ecmd->port = PORT_OTHER;
 285                 break;
 286         }
 287
 288         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 289         if (link_up) {
 290                 switch (link_speed) {
 291                 case IXGBE_LINK_SPEED_10GB_FULL:
 292                         ethtool_cmd_speed_set(ecmd, SPEED_10000);
 293                         break;
 294                 case IXGBE_LINK_SPEED_1GB_FULL:
 295                         ethtool_cmd_speed_set(ecmd, SPEED_1000);
 296                         break;
 297                 case IXGBE_LINK_SPEED_100_FULL:
 298                         ethtool_cmd_speed_set(ecmd, SPEED_100);
 299                         break;
 300                 default:
 301                         break;
 302                 }
 303                 ecmd->duplex = DUPLEX_FULL;
 304         } else {
 305                 ethtool_cmd_speed_set(ecmd, -1);
 306                 ecmd->duplex = -1;
 307         }
 308
 309         return 0;
 310 }
 311
 312 static int ixgbe_set_settings(struct net_device *netdev,
 313                               struct ethtool_cmd *ecmd)
 314 {
 315         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 316         struct ixgbe_hw *hw = &adapter->hw;
 317         u32 advertised, old;
 318         s32 err = 0;
 319
 320         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 321             (hw->phy.multispeed_fiber)) {
 322                 /*
 323                  * this function does not support duplex forcing, but can
 324                  * limit the advertising of the adapter to the specified speed
 325                  */
 326                 if (ecmd->advertising & ~ecmd->supported)
 327                         return -EINVAL;
 328
 329                 /* only allow one speed at a time if no autoneg */
 330                 if (!ecmd->autoneg && hw->phy.multispeed_fiber) {
 331                         if (ecmd->advertising ==
 332                             (ADVERTISED_10000baseT_Full |
 333                              ADVERTISED_1000baseT_Full))
 334                                 return -EINVAL;
 335                 }
 336
 337                 old = hw->phy.autoneg_advertised;
 338                 advertised = 0;
 339                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 340                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 341
 342                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 343                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 344
 345                 if (ecmd->advertising & ADVERTISED_100baseT_Full)
 346                         advertised |= IXGBE_LINK_SPEED_100_FULL;
 347
 348                 if (old == advertised)
 349                         return err;
 350                 /* this sets the link speed and restarts auto-neg */
 351                 hw->mac.autotry_restart = true;
 352                 err = hw->mac.ops.setup_link(hw, advertised, true);
 353                 if (err) {
 354                         e_info(probe, "setup link failed with code %d\n", err);
 355                         hw->mac.ops.setup_link(hw, old, true);
 356                 }
 357         } else {
 358                 /* in this case we currently only support 10Gb/FULL */
 359                 u32 speed = ethtool_cmd_speed(ecmd);
 360                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
 361                     (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
 362                     (speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
 363                         return -EINVAL;
 364         }
 365
 366         return err;
 367 }
 368
 369 static void ixgbe_get_pauseparam(struct net_device *netdev,
 370                                  struct ethtool_pauseparam *pause)
 371 {
 372         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 373         struct ixgbe_hw *hw = &adapter->hw;
 374
 375         if (ixgbe_device_supports_autoneg_fc(hw) &&
 376             !hw->fc.disable_fc_autoneg)
 377                 pause->autoneg = 1;
 378         else
 379                 pause->autoneg = 0;
 380
 381         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 382                 pause->rx_pause = 1;
 383         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 384                 pause->tx_pause = 1;
 385         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 386                 pause->rx_pause = 1;
 387                 pause->tx_pause = 1;
 388         }
 389 }
 390
 391 static int ixgbe_set_pauseparam(struct net_device *netdev,
 392                                 struct ethtool_pauseparam *pause)
 393 {
 394         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 395         struct ixgbe_hw *hw = &adapter->hw;
 396         struct ixgbe_fc_info fc = hw->fc;
 397
 398         /* 82598 does no support link flow control with DCB enabled */
 399         if ((hw->mac.type == ixgbe_mac_82598EB) &&
 400             (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
 401                 return -EINVAL;
 402
 403         /* some devices do not support autoneg of link flow control */
 404         if ((pause->autoneg == AUTONEG_ENABLE) &&
 405             !ixgbe_device_supports_autoneg_fc(hw))
 406                 return -EINVAL;
 407
 408         fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
 409
 410         if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
 411                 fc.requested_mode = ixgbe_fc_full;
 412         else if (pause->rx_pause && !pause->tx_pause)
 413                 fc.requested_mode = ixgbe_fc_rx_pause;
 414         else if (!pause->rx_pause && pause->tx_pause)
 415                 fc.requested_mode = ixgbe_fc_tx_pause;
 416         else
 417                 fc.requested_mode = ixgbe_fc_none;
 418
 419         /* if the thing changed then we'll update and use new autoneg */
 420         if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
 421                 hw->fc = fc;
 422                 if (netif_running(netdev))
 423                         ixgbe_reinit_locked(adapter);
 424                 else
 425                         ixgbe_reset(adapter);
 426         }
 427
 428         return 0;
 429 }
 430
 431 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 432 {
 433         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 434         return adapter->msg_enable;
 435 }
 436
 437 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 438 {
 439         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 440         adapter->msg_enable = data;
 441 }
 442
 443 static int ixgbe_get_regs_len(struct net_device *netdev)
 444 {
 445 #define IXGBE_REGS_LEN  1139
 446         return IXGBE_REGS_LEN * sizeof(u32);
 447 }
 448
 449 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 450
 451 static void ixgbe_get_regs(struct net_device *netdev,
 452                            struct ethtool_regs *regs, void *p)
 453 {
 454         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 455         struct ixgbe_hw *hw = &adapter->hw;
 456         u32 *regs_buff = p;
 457         u8 i;
 458
 459         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 460
 461         regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
 462                         hw->device_id;
 463
 464         /* General Registers */
 465         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 466         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 467         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 468         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 469         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 470         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 471         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 472         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 473
 474         /* NVM Register */
 475         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 476         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 477         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 478         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 479         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 480         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 481         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 482         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 483         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 484         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 485
 486         /* Interrupt */
 487         /* don't read EICR because it can clear interrupt causes, instead
 488          * read EICS which is a shadow but doesn't clear EICR */
 489         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 490         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 491         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 492         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 493         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 494         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 495         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 496         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 497         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 498         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 499         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 500         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 501
 502         /* Flow Control */
 503         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 504         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 505         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 506         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 507         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 508         for (i = 0; i < 8; i++) {
 509                 switch (hw->mac.type) {
 510                 case ixgbe_mac_82598EB:
 511                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 512                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 513                         break;
 514                 case ixgbe_mac_82599EB:
 515                 case ixgbe_mac_X540:
 516                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
 517                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
 518                         break;
 519                 default:
 520                         break;
 521                 }
 522         }
 523         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 524         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 525
 526         /* Receive DMA */
 527         for (i = 0; i < 64; i++)
 528                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 529         for (i = 0; i < 64; i++)
 530                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 531         for (i = 0; i < 64; i++)
 532                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 533         for (i = 0; i < 64; i++)
 534                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 535         for (i = 0; i < 64; i++)
 536                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 537         for (i = 0; i < 64; i++)
 538                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 539         for (i = 0; i < 16; i++)
 540                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 541         for (i = 0; i < 16; i++)
 542                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 543         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 544         for (i = 0; i < 8; i++)
 545                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 546         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 547         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 548
 549         /* Receive */
 550         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 551         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 552         for (i = 0; i < 16; i++)
 553                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 554         for (i = 0; i < 16; i++)
 555                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 556         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 557         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 558         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 559         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 560         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 561         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 562         for (i = 0; i < 8; i++)
 563                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 564         for (i = 0; i < 8; i++)
 565                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 566         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 567
 568         /* Transmit */
 569         for (i = 0; i < 32; i++)
 570                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 571         for (i = 0; i < 32; i++)
 572                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 573         for (i = 0; i < 32; i++)
 574                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 575         for (i = 0; i < 32; i++)
 576                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 577         for (i = 0; i < 32; i++)
 578                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 579         for (i = 0; i < 32; i++)
 580                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 581         for (i = 0; i < 32; i++)
 582                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 583         for (i = 0; i < 32; i++)
 584                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 585         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 586         for (i = 0; i < 16; i++)
 587                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 588         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 589         for (i = 0; i < 8; i++)
 590                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 591         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 592
 593         /* Wake Up */
 594         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 595         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 596         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 597         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 598         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 599         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 600         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 601         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 602         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 603
 604         /* DCB */
 605         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);   /* same as FCCFG  */
 606         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); /* same as RTTPCS */
 607
 608         switch (hw->mac.type) {
 609         case ixgbe_mac_82598EB:
 610                 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 611                 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 612                 for (i = 0; i < 8; i++)
 613                         regs_buff[833 + i] =
 614                                 IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 615                 for (i = 0; i < 8; i++)
 616                         regs_buff[841 + i] =
 617                                 IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 618                 for (i = 0; i < 8; i++)
 619                         regs_buff[849 + i] =
 620                                 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 621                 for (i = 0; i < 8; i++)
 622                         regs_buff[857 + i] =
 623                                 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 624                 break;
 625         case ixgbe_mac_82599EB:
 626         case ixgbe_mac_X540:
 627                 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
 628                 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RTRPCS);
 629                 for (i = 0; i < 8; i++)
 630                         regs_buff[833 + i] =
 631                                 IXGBE_READ_REG(hw, IXGBE_RTRPT4C(i));
 632                 for (i = 0; i < 8; i++)
 633                         regs_buff[841 + i] =
 634                                 IXGBE_READ_REG(hw, IXGBE_RTRPT4S(i));
 635                 for (i = 0; i < 8; i++)
 636                         regs_buff[849 + i] =
 637                                 IXGBE_READ_REG(hw, IXGBE_RTTDT2C(i));
 638                 for (i = 0; i < 8; i++)
 639                         regs_buff[857 + i] =
 640                                 IXGBE_READ_REG(hw, IXGBE_RTTDT2S(i));
 641                 break;
 642         default:
 643                 break;
 644         }
 645
 646         for (i = 0; i < 8; i++)
 647                 regs_buff[865 + i] =
 648                 IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); /* same as RTTPT2C */
 649         for (i = 0; i < 8; i++)
 650                 regs_buff[873 + i] =
 651                 IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); /* same as RTTPT2S */
 652
 653         /* Statistics */
 654         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 655         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 656         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 657         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 658         for (i = 0; i < 8; i++)
 659                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 660         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 661         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 662         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 663         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 664         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 665         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 666         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 667         for (i = 0; i < 8; i++)
 668                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 669         for (i = 0; i < 8; i++)
 670                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 671         for (i = 0; i < 8; i++)
 672                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 673         for (i = 0; i < 8; i++)
 674                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 675         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 676         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 677         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 678         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 679         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 680         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 681         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 682         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 683         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 684         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 685         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 686         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 687         for (i = 0; i < 8; i++)
 688                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 689         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 690         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 691         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 692         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 693         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 694         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 695         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 696         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 697         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 698         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 699         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 700         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 701         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 702         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 703         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 704         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 705         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 706         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 707         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 708         for (i = 0; i < 16; i++)
 709                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 710         for (i = 0; i < 16; i++)
 711                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 712         for (i = 0; i < 16; i++)
 713                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 714         for (i = 0; i < 16; i++)
 715                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 716
 717         /* MAC */
 718         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 719         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 720         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 721         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 722         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 723         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 724         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 725         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 726         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 727         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 728         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 729         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 730         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 731         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 732         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 733         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 734         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 735         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 736         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 737         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 738         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 739         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 740         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 741         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 742         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 743         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 744         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 745         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 746         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 747         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 748         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 749         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 750         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 751
 752         /* Diagnostic */
 753         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 754         for (i = 0; i < 8; i++)
 755                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 756         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 757         for (i = 0; i < 4; i++)
 758                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 759         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 760         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 761         for (i = 0; i < 8; i++)
 762                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 763         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 764         for (i = 0; i < 4; i++)
 765                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 766         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 767         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 768         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 769         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 770         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 771         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 772         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 773         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 774         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 775         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 776         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 777         for (i = 0; i < 8; i++)
 778                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 779         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 780         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 781         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 782         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 783         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 784         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 785         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 786         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 787         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 788
 789         /* 82599 X540 specific registers  */
 790         regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
 791
 792         /* 82599 X540 specific DCB registers  */
 793         regs_buff[1129] = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
 794         regs_buff[1130] = IXGBE_READ_REG(hw, IXGBE_RTTUP2TC);
 795         for (i = 0; i < 4; i++)
 796                 regs_buff[1131 + i] = IXGBE_READ_REG(hw, IXGBE_TXLLQ(i));
 797         regs_buff[1135] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRM);
 798                                         /* same as RTTQCNRM */
 799         regs_buff[1136] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRD);
 800                                         /* same as RTTQCNRR */
 801
 802         /* X540 specific DCB registers  */
 803         regs_buff[1137] = IXGBE_READ_REG(hw, IXGBE_RTTQCNCR);
 804         regs_buff[1138] = IXGBE_READ_REG(hw, IXGBE_RTTQCNTG);
 805 }
 806
 807 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 808 {
 809         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 810         return adapter->hw.eeprom.word_size * 2;
 811 }
 812
 813 static int ixgbe_get_eeprom(struct net_device *netdev,
 814                             struct ethtool_eeprom *eeprom, u8 *bytes)
 815 {
 816         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 817         struct ixgbe_hw *hw = &adapter->hw;
 818         u16 *eeprom_buff;
 819         int first_word, last_word, eeprom_len;
 820         int ret_val = 0;
 821         u16 i;
 822
 823         if (eeprom->len == 0)
 824                 return -EINVAL;
 825
 826         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 827
 828         first_word = eeprom->offset >> 1;
 829         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 830         eeprom_len = last_word - first_word + 1;
 831
 832         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 833         if (!eeprom_buff)
 834                 return -ENOMEM;
 835
 836         ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
 837                                              eeprom_buff);
 838
 839         /* Device's eeprom is always little-endian, word addressable */
 840         for (i = 0; i < eeprom_len; i++)
 841                 le16_to_cpus(&eeprom_buff[i]);
 842
 843         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 844         kfree(eeprom_buff);
 845
 846         return ret_val;
 847 }
 848
 849 static int ixgbe_set_eeprom(struct net_device *netdev,
 850                             struct ethtool_eeprom *eeprom, u8 *bytes)
 851 {
 852         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 853         struct ixgbe_hw *hw = &adapter->hw;
 854         u16 *eeprom_buff;
 855         void *ptr;
 856         int max_len, first_word, last_word, ret_val = 0;
 857         u16 i;
 858
 859         if (eeprom->len == 0)
 860                 return -EINVAL;
 861
 862         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 863                 return -EINVAL;
 864
 865         max_len = hw->eeprom.word_size * 2;
 866
 867         first_word = eeprom->offset >> 1;
 868         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 869         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 870         if (!eeprom_buff)
 871                 return -ENOMEM;
 872
 873         ptr = eeprom_buff;
 874
 875         if (eeprom->offset & 1) {
 876                 /*
 877                  * need read/modify/write of first changed EEPROM word
 878                  * only the second byte of the word is being modified
 879                  */
 880                 ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
 881                 if (ret_val)
 882                         goto err;
 883
 884                 ptr++;
 885         }
 886         if ((eeprom->offset + eeprom->len) & 1) {
 887                 /*
 888                  * need read/modify/write of last changed EEPROM word
 889                  * only the first byte of the word is being modified
 890                  */
 891                 ret_val = hw->eeprom.ops.read(hw, last_word,
 892                                           &eeprom_buff[last_word - first_word]);
 893                 if (ret_val)
 894                         goto err;
 895         }
 896
 897         /* Device's eeprom is always little-endian, word addressable */
 898         for (i = 0; i < last_word - first_word + 1; i++)
 899                 le16_to_cpus(&eeprom_buff[i]);
 900
 901         memcpy(ptr, bytes, eeprom->len);
 902
 903         for (i = 0; i < last_word - first_word + 1; i++)
 904                 cpu_to_le16s(&eeprom_buff[i]);
 905
 906         ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
 907                                               last_word - first_word + 1,
 908                                               eeprom_buff);
 909
 910         /* Update the checksum */
 911         if (ret_val == 0)
 912                 hw->eeprom.ops.update_checksum(hw);
 913
 914 err:
 915         kfree(eeprom_buff);
 916         return ret_val;
 917 }
 918
 919 static void ixgbe_get_drvinfo(struct net_device *netdev,
 920                               struct ethtool_drvinfo *drvinfo)
 921 {
 922         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 923         u32 nvm_track_id;
 924
 925         strlcpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
 926         strlcpy(drvinfo->version, ixgbe_driver_version,
 927                 sizeof(drvinfo->version));
 928
 929         nvm_track_id = (adapter->eeprom_verh << 16) |
 930                         adapter->eeprom_verl;
 931         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
 932                  nvm_track_id);
 933
 934         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 935                 sizeof(drvinfo->bus_info));
 936         drvinfo->n_stats = IXGBE_STATS_LEN;
 937         drvinfo->testinfo_len = IXGBE_TEST_LEN;
 938         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 939 }
 940
 941 static void ixgbe_get_ringparam(struct net_device *netdev,
 942                                 struct ethtool_ringparam *ring)
 943 {
 944         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 945         struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
 946         struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
 947
 948         ring->rx_max_pending = IXGBE_MAX_RXD;
 949         ring->tx_max_pending = IXGBE_MAX_TXD;
 950         ring->rx_pending = rx_ring->count;
 951         ring->tx_pending = tx_ring->count;
 952 }
 953
 954 static int ixgbe_set_ringparam(struct net_device *netdev,
 955                                struct ethtool_ringparam *ring)
 956 {
 957         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 958         struct ixgbe_ring *temp_ring;
 959         int i, err = 0;
 960         u32 new_rx_count, new_tx_count;
 961
 962         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 963                 return -EINVAL;
 964
 965         new_tx_count = clamp_t(u32, ring->tx_pending,
 966                                IXGBE_MIN_TXD, IXGBE_MAX_TXD);
 967         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 968
 969         new_rx_count = clamp_t(u32, ring->rx_pending,
 970                                IXGBE_MIN_RXD, IXGBE_MAX_RXD);
 971         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 972
 973         if ((new_tx_count == adapter->tx_ring_count) &&
 974             (new_rx_count == adapter->rx_ring_count)) {
 975                 /* nothing to do */
 976                 return 0;
 977         }
 978
 979         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 980                 usleep_range(1000, 2000);
 981
 982         if (!netif_running(adapter->netdev)) {
 983                 for (i = 0; i < adapter->num_tx_queues; i++)
 984                         adapter->tx_ring[i]->count = new_tx_count;
 985                 for (i = 0; i < adapter->num_rx_queues; i++)
 986                         adapter->rx_ring[i]->count = new_rx_count;
 987                 adapter->tx_ring_count = new_tx_count;
 988                 adapter->rx_ring_count = new_rx_count;
 989                 goto clear_reset;
 990         }
 991
 992         /* allocate temporary buffer to store rings in */
 993         i = max_t(int, adapter->num_tx_queues, adapter->num_rx_queues);
 994         temp_ring = vmalloc(i * sizeof(struct ixgbe_ring));
 995
 996         if (!temp_ring) {
 997                 err = -ENOMEM;
 998                 goto clear_reset;
 999         }
1000
1001         ixgbe_down(adapter);
1002
1003         /*
1004          * Setup new Tx resources and free the old Tx resources in that order.
1005          * We can then assign the new resources to the rings via a memcpy.
1006          * The advantage to this approach is that we are guaranteed to still
1007          * have resources even in the case of an allocation failure.
1008          */
1009         if (new_tx_count != adapter->tx_ring_count) {
1010                 for (i = 0; i < adapter->num_tx_queues; i++) {
1011                         memcpy(&temp_ring[i], adapter->tx_ring[i],
1012                                sizeof(struct ixgbe_ring));
1013
1014                         temp_ring[i].count = new_tx_count;
1015                         err = ixgbe_setup_tx_resources(&temp_ring[i]);
1016                         if (err) {
1017                                 while (i) {
1018                                         i--;
1019                                         ixgbe_free_tx_resources(&temp_ring[i]);
1020                                 }
1021                                 goto err_setup;
1022                         }
1023                 }
1024
1025                 for (i = 0; i < adapter->num_tx_queues; i++) {
1026                         ixgbe_free_tx_resources(adapter->tx_ring[i]);
1027
1028                         memcpy(adapter->tx_ring[i], &temp_ring[i],
1029                                sizeof(struct ixgbe_ring));
1030                 }
1031
1032                 adapter->tx_ring_count = new_tx_count;
1033         }
1034
1035         /* Repeat the process for the Rx rings if needed */
1036         if (new_rx_count != adapter->rx_ring_count) {
1037                 for (i = 0; i < adapter->num_rx_queues; i++) {
1038                         memcpy(&temp_ring[i], adapter->rx_ring[i],
1039                                sizeof(struct ixgbe_ring));
1040
1041                         temp_ring[i].count = new_rx_count;
1042                         err = ixgbe_setup_rx_resources(&temp_ring[i]);
1043                         if (err) {
1044                                 while (i) {
1045                                         i--;
1046                                         ixgbe_free_rx_resources(&temp_ring[i]);
1047                                 }
1048                                 goto err_setup;
1049                         }
1050
1051                 }
1052
1053                 for (i = 0; i < adapter->num_rx_queues; i++) {
1054                         ixgbe_free_rx_resources(adapter->rx_ring[i]);
1055
1056                         memcpy(adapter->rx_ring[i], &temp_ring[i],
1057                                sizeof(struct ixgbe_ring));
1058                 }
1059
1060                 adapter->rx_ring_count = new_rx_count;
1061         }
1062
1063 err_setup:
1064         ixgbe_up(adapter);
1065         vfree(temp_ring);
1066 clear_reset:
1067         clear_bit(__IXGBE_RESETTING, &adapter->state);
1068         return err;
1069 }
1070
1071 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1072 {
1073         switch (sset) {
1074         case ETH_SS_TEST:
1075                 return IXGBE_TEST_LEN;
1076         case ETH_SS_STATS:
1077                 return IXGBE_STATS_LEN;
1078         default:
1079                 return -EOPNOTSUPP;
1080         }
1081 }
1082
1083 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1084                                     struct ethtool_stats *stats, u64 *data)
1085 {
1086         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1087         struct rtnl_link_stats64 temp;
1088         const struct rtnl_link_stats64 *net_stats;
1089         unsigned int start;
1090         struct ixgbe_ring *ring;
1091         int i, j;
1092         char *p = NULL;
1093
1094         ixgbe_update_stats(adapter);
1095         net_stats = dev_get_stats(netdev, &temp);
1096         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1097                 switch (ixgbe_gstrings_stats[i].type) {
1098                 case NETDEV_STATS:
1099                         p = (char *) net_stats +
1100                                         ixgbe_gstrings_stats[i].stat_offset;
1101                         break;
1102                 case IXGBE_STATS:
1103                         p = (char *) adapter +
1104                                         ixgbe_gstrings_stats[i].stat_offset;
1105                         break;
1106                 default:
1107                         data[i] = 0;
1108                         continue;
1109                 }
1110
1111                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1112                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1113         }
1114         for (j = 0; j < netdev->num_tx_queues; j++) {
1115                 ring = adapter->tx_ring[j];
1116                 if (!ring) {
1117                         data[i] = 0;
1118                         data[i+1] = 0;
1119                         i += 2;
1120 #ifdef BP_EXTENDED_STATS
1121                         data[i] = 0;
1122                         data[i+1] = 0;
1123                         data[i+2] = 0;
1124                         i += 3;
1125 #endif
1126                         continue;
1127                 }
1128
1129                 do {
1130                         start = u64_stats_fetch_begin_bh(&ring->syncp);
1131                         data[i]   = ring->stats.packets;
1132                         data[i+1] = ring->stats.bytes;
1133                 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1134                 i += 2;
1135 #ifdef BP_EXTENDED_STATS
1136                 data[i] = ring->stats.yields;
1137                 data[i+1] = ring->stats.misses;
1138                 data[i+2] = ring->stats.cleaned;
1139                 i += 3;
1140 #endif
1141         }
1142         for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
1143                 ring = adapter->rx_ring[j];
1144                 if (!ring) {
1145                         data[i] = 0;
1146                         data[i+1] = 0;
1147                         i += 2;
1148 #ifdef BP_EXTENDED_STATS
1149                         data[i] = 0;
1150                         data[i+1] = 0;
1151                         data[i+2] = 0;
1152                         i += 3;
1153 #endif
1154                         continue;
1155                 }
1156
1157                 do {
1158                         start = u64_stats_fetch_begin_bh(&ring->syncp);
1159                         data[i]   = ring->stats.packets;
1160                         data[i+1] = ring->stats.bytes;
1161                 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1162                 i += 2;
1163 #ifdef BP_EXTENDED_STATS
1164                 data[i] = ring->stats.yields;
1165                 data[i+1] = ring->stats.misses;
1166                 data[i+2] = ring->stats.cleaned;
1167                 i += 3;
1168 #endif
1169         }
1170
1171         for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1172                 data[i++] = adapter->stats.pxontxc[j];
1173                 data[i++] = adapter->stats.pxofftxc[j];
1174         }
1175         for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1176                 data[i++] = adapter->stats.pxonrxc[j];
1177                 data[i++] = adapter->stats.pxoffrxc[j];
1178         }
1179 }
1180
1181 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1182                               u8 *data)
1183 {
1184         char *p = (char *)data;
1185         int i;
1186
1187         switch (stringset) {
1188         case ETH_SS_TEST:
1189                 for (i = 0; i < IXGBE_TEST_LEN; i++) {
1190                         memcpy(data, ixgbe_gstrings_test[i], ETH_GSTRING_LEN);
1191                         data += ETH_GSTRING_LEN;
1192                 }
1193                 break;
1194         case ETH_SS_STATS:
1195                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1196                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1197                                ETH_GSTRING_LEN);
1198                         p += ETH_GSTRING_LEN;
1199                 }
1200                 for (i = 0; i < netdev->num_tx_queues; i++) {
1201                         sprintf(p, "tx_queue_%u_packets", i);
1202                         p += ETH_GSTRING_LEN;
1203                         sprintf(p, "tx_queue_%u_bytes", i);
1204                         p += ETH_GSTRING_LEN;
1205 #ifdef BP_EXTENDED_STATS
1206                         sprintf(p, "tx_queue_%u_bp_napi_yield", i);
1207                         p += ETH_GSTRING_LEN;
1208                         sprintf(p, "tx_queue_%u_bp_misses", i);
1209                         p += ETH_GSTRING_LEN;
1210                         sprintf(p, "tx_queue_%u_bp_cleaned", i);
1211                         p += ETH_GSTRING_LEN;
1212 #endif /* BP_EXTENDED_STATS */
1213                 }
1214                 for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
1215                         sprintf(p, "rx_queue_%u_packets", i);
1216                         p += ETH_GSTRING_LEN;
1217                         sprintf(p, "rx_queue_%u_bytes", i);
1218                         p += ETH_GSTRING_LEN;
1219 #ifdef BP_EXTENDED_STATS
1220                         sprintf(p, "rx_queue_%u_bp_poll_yield", i);
1221                         p += ETH_GSTRING_LEN;
1222                         sprintf(p, "rx_queue_%u_bp_misses", i);
1223                         p += ETH_GSTRING_LEN;
1224                         sprintf(p, "rx_queue_%u_bp_cleaned", i);
1225                         p += ETH_GSTRING_LEN;
1226 #endif /* BP_EXTENDED_STATS */
1227                 }
1228                 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1229                         sprintf(p, "tx_pb_%u_pxon", i);
1230                         p += ETH_GSTRING_LEN;
1231                         sprintf(p, "tx_pb_%u_pxoff", i);
1232                         p += ETH_GSTRING_LEN;
1233                 }
1234                 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1235                         sprintf(p, "rx_pb_%u_pxon", i);
1236                         p += ETH_GSTRING_LEN;
1237                         sprintf(p, "rx_pb_%u_pxoff", i);
1238                         p += ETH_GSTRING_LEN;
1239                 }
1240                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1241                 break;
1242         }
1243 }
1244
1245 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1246 {
1247         struct ixgbe_hw *hw = &adapter->hw;
1248         bool link_up;
1249         u32 link_speed = 0;
1250         *data = 0;
1251
1252         hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1253         if (link_up)
1254                 return *data;
1255         else
1256                 *data = 1;
1257         return *data;
1258 }
1259
1260 /* ethtool register test data */
1261 struct ixgbe_reg_test {
1262         u16 reg;
1263         u8  array_len;
1264         u8  test_type;
1265         u32 mask;
1266         u32 write;
1267 };
1268
1269 /* In the hardware, registers are laid out either singly, in arrays
1270  * spaced 0x40 bytes apart, or in contiguous tables.  We assume
1271  * most tests take place on arrays or single registers (handled
1272  * as a single-element array) and special-case the tables.
1273  * Table tests are always pattern tests.
1274  *
1275  * We also make provision for some required setup steps by specifying
1276  * registers to be written without any read-back testing.
1277  */
1278
1279 #define PATTERN_TEST    1
1280 #define SET_READ_TEST   2
1281 #define WRITE_NO_TEST   3
1282 #define TABLE32_TEST    4
1283 #define TABLE64_TEST_LO 5
1284 #define TABLE64_TEST_HI 6
1285
1286 /* default 82599 register test */
1287 static const struct ixgbe_reg_test reg_test_82599[] = {
1288         { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1289         { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1290         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1291         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1292         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1293         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1294         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1295         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1296         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1297         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1298         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1299         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1300         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1301         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1302         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1303         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1304         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1305         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1306         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1307         { 0, 0, 0, 0 }
1308 };
1309
1310 /* default 82598 register test */
1311 static const struct ixgbe_reg_test reg_test_82598[] = {
1312         { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1313         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1314         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1315         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1316         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1317         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1318         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1319         /* Enable all four RX queues before testing. */
1320         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1321         /* RDH is read-only for 82598, only test RDT. */
1322         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1323         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1324         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1325         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1326         { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1327         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1328         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1329         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1330         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1331         { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1332         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1333         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1334         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1335         { 0, 0, 0, 0 }
1336 };
1337
1338 static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1339                              u32 mask, u32 write)
1340 {
1341         u32 pat, val, before;
1342         static const u32 test_pattern[] = {
1343                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1344
1345         if (ixgbe_removed(adapter->hw.hw_addr)) {
1346                 *data = 1;
1347                 return 1;
1348         }
1349         for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
1350                 before = ixgbe_read_reg(&adapter->hw, reg);
1351                 ixgbe_write_reg(&adapter->hw, reg, test_pattern[pat] & write);
1352                 val = ixgbe_read_reg(&adapter->hw, reg);
1353                 if (val != (test_pattern[pat] & write & mask)) {
1354                         e_err(drv, "pattern test reg %04X failed: got "
1355                               "0x%08X expected 0x%08X\n",
1356                               reg, val, (test_pattern[pat] & write & mask));
1357                         *data = reg;
1358                         ixgbe_write_reg(&adapter->hw, reg, before);
1359                         return true;
1360                 }
1361                 ixgbe_write_reg(&adapter->hw, reg, before);
1362         }
1363         return false;
1364 }
1365
1366 static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1367                               u32 mask, u32 write)
1368 {
1369         u32 val, before;
1370
1371         if (ixgbe_removed(adapter->hw.hw_addr)) {
1372                 *data = 1;
1373                 return 1;
1374         }
1375         before = ixgbe_read_reg(&adapter->hw, reg);
1376         ixgbe_write_reg(&adapter->hw, reg, write & mask);
1377         val = ixgbe_read_reg(&adapter->hw, reg);
1378         if ((write & mask) != (val & mask)) {
1379                 e_err(drv, "set/check reg %04X test failed: got 0x%08X "
1380                       "expected 0x%08X\n", reg, (val & mask), (write & mask));
1381                 *data = reg;
1382                 ixgbe_write_reg(&adapter->hw, reg, before);
1383                 return true;
1384         }
1385         ixgbe_write_reg(&adapter->hw, reg, before);
1386         return false;
1387 }
1388
1389 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1390 {
1391         const struct ixgbe_reg_test *test;
1392         u32 value, before, after;
1393         u32 i, toggle;
1394
1395         if (ixgbe_removed(adapter->hw.hw_addr)) {
1396                 e_err(drv, "Adapter removed - register test blocked\n");
1397                 *data = 1;
1398                 return 1;
1399         }
1400         switch (adapter->hw.mac.type) {
1401         case ixgbe_mac_82598EB:
1402                 toggle = 0x7FFFF3FF;
1403                 test = reg_test_82598;
1404                 break;
1405         case ixgbe_mac_82599EB:
1406         case ixgbe_mac_X540:
1407                 toggle = 0x7FFFF30F;
1408                 test = reg_test_82599;
1409                 break;
1410         default:
1411                 *data = 1;
1412                 return 1;
1413                 break;
1414         }
1415
1416         /*
1417          * Because the status register is such a special case,
1418          * we handle it separately from the rest of the register
1419          * tests.  Some bits are read-only, some toggle, and some
1420          * are writeable on newer MACs.
1421          */
1422         before = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS);
1423         value = (ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle);
1424         ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, toggle);
1425         after = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle;
1426         if (value != after) {
1427                 e_err(drv, "failed STATUS register test got: 0x%08X "
1428                       "expected: 0x%08X\n", after, value);
1429                 *data = 1;
1430                 return 1;
1431         }
1432         /* restore previous status */
1433         ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, before);
1434
1435         /*
1436          * Perform the remainder of the register test, looping through
1437          * the test table until we either fail or reach the null entry.
1438          */
1439         while (test->reg) {
1440                 for (i = 0; i < test->array_len; i++) {
1441                         bool b = false;
1442
1443                         switch (test->test_type) {
1444                         case PATTERN_TEST:
1445                                 b = reg_pattern_test(adapter, data,
1446                                                      test->reg + (i * 0x40),
1447                                                      test->mask,
1448                                                      test->write);
1449                                 break;
1450                         case SET_READ_TEST:
1451                                 b = reg_set_and_check(adapter, data,
1452                                                       test->reg + (i * 0x40),
1453                                                       test->mask,
1454                                                       test->write);
1455                                 break;
1456                         case WRITE_NO_TEST:
1457                                 ixgbe_write_reg(&adapter->hw,
1458                                                 test->reg + (i * 0x40),
1459                                                 test->write);
1460                                 break;
1461                         case TABLE32_TEST:
1462                                 b = reg_pattern_test(adapter, data,
1463                                                      test->reg + (i * 4),
1464                                                      test->mask,
1465                                                      test->write);
1466                                 break;
1467                         case TABLE64_TEST_LO:
1468                                 b = reg_pattern_test(adapter, data,
1469                                                      test->reg + (i * 8),
1470                                                      test->mask,
1471                                                      test->write);
1472                                 break;
1473                         case TABLE64_TEST_HI:
1474                                 b = reg_pattern_test(adapter, data,
1475                                                      (test->reg + 4) + (i * 8),
1476                                                      test->mask,
1477                                                      test->write);
1478                                 break;
1479                         }
1480                         if (b)
1481                                 return 1;
1482                 }
1483                 test++;
1484         }
1485
1486         *data = 0;
1487         return 0;
1488 }
1489
1490 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1491 {
1492         struct ixgbe_hw *hw = &adapter->hw;
1493         if (hw->eeprom.ops.validate_checksum(hw, NULL))
1494                 *data = 1;
1495         else
1496                 *data = 0;
1497         return *data;
1498 }
1499
1500 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1501 {
1502         struct net_device *netdev = (struct net_device *) data;
1503         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1504
1505         adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1506
1507         return IRQ_HANDLED;
1508 }
1509
1510 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1511 {
1512         struct net_device *netdev = adapter->netdev;
1513         u32 mask, i = 0, shared_int = true;
1514         u32 irq = adapter->pdev->irq;
1515
1516         *data = 0;
1517
1518         /* Hook up test interrupt handler just for this test */
1519         if (adapter->msix_entries) {
1520                 /* NOTE: we don't test MSI-X interrupts here, yet */
1521                 return 0;
1522         } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1523                 shared_int = false;
1524                 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1525                                 netdev)) {
1526                         *data = 1;
1527                         return -1;
1528                 }
1529         } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1530                                 netdev->name, netdev)) {
1531                 shared_int = false;
1532         } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1533                                netdev->name, netdev)) {
1534                 *data = 1;
1535                 return -1;
1536         }
1537         e_info(hw, "testing %s interrupt\n", shared_int ?
1538                "shared" : "unshared");
1539
1540         /* Disable all the interrupts */
1541         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1542         IXGBE_WRITE_FLUSH(&adapter->hw);
1543         usleep_range(10000, 20000);
1544
1545         /* Test each interrupt */
1546         for (; i < 10; i++) {
1547                 /* Interrupt to test */
1548                 mask = 1 << i;
1549
1550                 if (!shared_int) {
1551                         /*
1552                          * Disable the interrupts to be reported in
1553                          * the cause register and then force the same
1554                          * interrupt and see if one gets posted.  If
1555                          * an interrupt was posted to the bus, the
1556                          * test failed.
1557                          */
1558                         adapter->test_icr = 0;
1559                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1560                                         ~mask & 0x00007FFF);
1561                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1562                                         ~mask & 0x00007FFF);
1563                         IXGBE_WRITE_FLUSH(&adapter->hw);
1564                         usleep_range(10000, 20000);
1565
1566                         if (adapter->test_icr & mask) {
1567                                 *data = 3;
1568                                 break;
1569                         }
1570                 }
1571
1572                 /*
1573                  * Enable the interrupt to be reported in the cause
1574                  * register and then force the same interrupt and see
1575                  * if one gets posted.  If an interrupt was not posted
1576                  * to the bus, the test failed.
1577                  */
1578                 adapter->test_icr = 0;
1579                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1580                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1581                 IXGBE_WRITE_FLUSH(&adapter->hw);
1582                 usleep_range(10000, 20000);
1583
1584                 if (!(adapter->test_icr &mask)) {
1585                         *data = 4;
1586                         break;
1587                 }
1588
1589                 if (!shared_int) {
1590                         /*
1591                          * Disable the other interrupts to be reported in
1592                          * the cause register and then force the other
1593                          * interrupts and see if any get posted.  If
1594                          * an interrupt was posted to the bus, the
1595                          * test failed.
1596                          */
1597                         adapter->test_icr = 0;
1598                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1599                                         ~mask & 0x00007FFF);
1600                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1601                                         ~mask & 0x00007FFF);
1602                         IXGBE_WRITE_FLUSH(&adapter->hw);
1603                         usleep_range(10000, 20000);
1604
1605                         if (adapter->test_icr) {
1606                                 *data = 5;
1607                                 break;
1608                         }
1609                 }
1610         }
1611
1612         /* Disable all the interrupts */
1613         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1614         IXGBE_WRITE_FLUSH(&adapter->hw);
1615         usleep_range(10000, 20000);
1616
1617         /* Unhook test interrupt handler */
1618         free_irq(irq, netdev);
1619
1620         return *data;
1621 }
1622
1623 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1624 {
1625         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1626         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1627         struct ixgbe_hw *hw = &adapter->hw;
1628         u32 reg_ctl;
1629
1630         /* shut down the DMA engines now so they can be reinitialized later */
1631
1632         /* first Rx */
1633         reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
1634         reg_ctl &= ~IXGBE_RXCTRL_RXEN;
1635         IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
1636         ixgbe_disable_rx_queue(adapter, rx_ring);
1637
1638         /* now Tx */
1639         reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx));
1640         reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1641         IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
1642
1643         switch (hw->mac.type) {
1644         case ixgbe_mac_82599EB:
1645         case ixgbe_mac_X540:
1646                 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1647                 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1648                 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1649                 break;
1650         default:
1651                 break;
1652         }
1653
1654         ixgbe_reset(adapter);
1655
1656         ixgbe_free_tx_resources(&adapter->test_tx_ring);
1657         ixgbe_free_rx_resources(&adapter->test_rx_ring);
1658 }
1659
1660 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1661 {
1662         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1663         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1664         u32 rctl, reg_data;
1665         int ret_val;
1666         int err;
1667
1668         /* Setup Tx descriptor ring and Tx buffers */
1669         tx_ring->count = IXGBE_DEFAULT_TXD;
1670         tx_ring->queue_index = 0;
1671         tx_ring->dev = &adapter->pdev->dev;
1672         tx_ring->netdev = adapter->netdev;
1673         tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1674
1675         err = ixgbe_setup_tx_resources(tx_ring);
1676         if (err)
1677                 return 1;
1678
1679         switch (adapter->hw.mac.type) {
1680         case ixgbe_mac_82599EB:
1681         case ixgbe_mac_X540:
1682                 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1683                 reg_data |= IXGBE_DMATXCTL_TE;
1684                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1685                 break;
1686         default:
1687                 break;
1688         }
1689
1690         ixgbe_configure_tx_ring(adapter, tx_ring);
1691
1692         /* Setup Rx Descriptor ring and Rx buffers */
1693         rx_ring->count = IXGBE_DEFAULT_RXD;
1694         rx_ring->queue_index = 0;
1695         rx_ring->dev = &adapter->pdev->dev;
1696         rx_ring->netdev = adapter->netdev;
1697         rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1698
1699         err = ixgbe_setup_rx_resources(rx_ring);
1700         if (err) {
1701                 ret_val = 4;
1702                 goto err_nomem;
1703         }
1704
1705         rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1706         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
1707
1708         ixgbe_configure_rx_ring(adapter, rx_ring);
1709
1710         rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
1711         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1712
1713         return 0;
1714
1715 err_nomem:
1716         ixgbe_free_desc_rings(adapter);
1717         return ret_val;
1718 }
1719
1720 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1721 {
1722         struct ixgbe_hw *hw = &adapter->hw;
1723         u32 reg_data;
1724
1725
1726         /* Setup MAC loopback */
1727         reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1728         reg_data |= IXGBE_HLREG0_LPBK;
1729         IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1730
1731         reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1732         reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1733         IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1734
1735         /* X540 needs to set the MACC.FLU bit to force link up */
1736         if (adapter->hw.mac.type == ixgbe_mac_X540) {
1737                 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1738                 reg_data |= IXGBE_MACC_FLU;
1739                 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1740         } else {
1741                 if (hw->mac.orig_autoc) {
1742                         reg_data = hw->mac.orig_autoc | IXGBE_AUTOC_FLU;
1743                         IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1744                 } else {
1745                         return 10;
1746                 }
1747         }
1748         IXGBE_WRITE_FLUSH(hw);
1749         usleep_range(10000, 20000);
1750
1751         /* Disable Atlas Tx lanes; re-enabled in reset path */
1752         if (hw->mac.type == ixgbe_mac_82598EB) {
1753                 u8 atlas;
1754
1755                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1756                 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1757                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1758
1759                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1760                 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1761                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1762
1763                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1764                 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1765                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1766
1767                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1768                 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1769                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1770         }
1771
1772         return 0;
1773 }
1774
1775 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1776 {
1777         u32 reg_data;
1778
1779         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1780         reg_data &= ~IXGBE_HLREG0_LPBK;
1781         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1782 }
1783
1784 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1785                                       unsigned int frame_size)
1786 {
1787         memset(skb->data, 0xFF, frame_size);
1788         frame_size >>= 1;
1789         memset(&skb->data[frame_size], 0xAA, frame_size / 2 - 1);
1790         memset(&skb->data[frame_size + 10], 0xBE, 1);
1791         memset(&skb->data[frame_size + 12], 0xAF, 1);
1792 }
1793
1794 static bool ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer *rx_buffer,
1795                                      unsigned int frame_size)
1796 {
1797         unsigned char *data;
1798         bool match = true;
1799
1800         frame_size >>= 1;
1801
1802         data = kmap(rx_buffer->page) + rx_buffer->page_offset;
1803
1804         if (data[3] != 0xFF ||
1805             data[frame_size + 10] != 0xBE ||
1806             data[frame_size + 12] != 0xAF)
1807                 match = false;
1808
1809         kunmap(rx_buffer->page);
1810
1811         return match;
1812 }
1813
1814 static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
1815                                   struct ixgbe_ring *tx_ring,
1816                                   unsigned int size)
1817 {
1818         union ixgbe_adv_rx_desc *rx_desc;
1819         struct ixgbe_rx_buffer *rx_buffer;
1820         struct ixgbe_tx_buffer *tx_buffer;
1821         u16 rx_ntc, tx_ntc, count = 0;
1822
1823         /* initialize next to clean and descriptor values */
1824         rx_ntc = rx_ring->next_to_clean;
1825         tx_ntc = tx_ring->next_to_clean;
1826         rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
1827
1828         while (ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_DD)) {
1829                 /* check Rx buffer */
1830                 rx_buffer = &rx_ring->rx_buffer_info[rx_ntc];
1831
1832                 /* sync Rx buffer for CPU read */
1833                 dma_sync_single_for_cpu(rx_ring->dev,
1834                                         rx_buffer->dma,
1835                                         ixgbe_rx_bufsz(rx_ring),
1836                                         DMA_FROM_DEVICE);
1837
1838                 /* verify contents of skb */
1839                 if (ixgbe_check_lbtest_frame(rx_buffer, size))
1840                         count++;
1841
1842                 /* sync Rx buffer for device write */
1843                 dma_sync_single_for_device(rx_ring->dev,
1844                                            rx_buffer->dma,
1845                                            ixgbe_rx_bufsz(rx_ring),
1846                                            DMA_FROM_DEVICE);
1847
1848                 /* unmap buffer on Tx side */
1849                 tx_buffer = &tx_ring->tx_buffer_info[tx_ntc];
1850                 ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer);
1851
1852                 /* increment Rx/Tx next to clean counters */
1853                 rx_ntc++;
1854                 if (rx_ntc == rx_ring->count)
1855                         rx_ntc = 0;
1856                 tx_ntc++;
1857                 if (tx_ntc == tx_ring->count)
1858                         tx_ntc = 0;
1859
1860                 /* fetch next descriptor */
1861                 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
1862         }
1863
1864         netdev_tx_reset_queue(txring_txq(tx_ring));
1865
1866         /* re-map buffers to ring, store next to clean values */
1867         ixgbe_alloc_rx_buffers(rx_ring, count);
1868         rx_ring->next_to_clean = rx_ntc;
1869         tx_ring->next_to_clean = tx_ntc;
1870
1871         return count;
1872 }
1873
1874 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1875 {
1876         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1877         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1878         int i, j, lc, good_cnt, ret_val = 0;
1879         unsigned int size = 1024;
1880         netdev_tx_t tx_ret_val;
1881         struct sk_buff *skb;
1882         u32 flags_orig = adapter->flags;
1883
1884         /* DCB can modify the frames on Tx */
1885         adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
1886
1887         /* allocate test skb */
1888         skb = alloc_skb(size, GFP_KERNEL);
1889         if (!skb)
1890                 return 11;
1891
1892         /* place data into test skb */
1893         ixgbe_create_lbtest_frame(skb, size);
1894         skb_put(skb, size);
1895
1896         /*
1897          * Calculate the loop count based on the largest descriptor ring
1898          * The idea is to wrap the largest ring a number of times using 64
1899          * send/receive pairs during each loop
1900          */
1901
1902         if (rx_ring->count <= tx_ring->count)
1903                 lc = ((tx_ring->count / 64) * 2) + 1;
1904         else
1905                 lc = ((rx_ring->count / 64) * 2) + 1;
1906
1907         for (j = 0; j <= lc; j++) {
1908                 /* reset count of good packets */
1909                 good_cnt = 0;
1910
1911                 /* place 64 packets on the transmit queue*/
1912                 for (i = 0; i < 64; i++) {
1913                         skb_get(skb);
1914                         tx_ret_val = ixgbe_xmit_frame_ring(skb,
1915                                                            adapter,
1916                                                            tx_ring);
1917                         if (tx_ret_val == NETDEV_TX_OK)
1918                                 good_cnt++;
1919                 }
1920
1921                 if (good_cnt != 64) {
1922                         ret_val = 12;
1923                         break;
1924                 }
1925
1926                 /* allow 200 milliseconds for packets to go from Tx to Rx */
1927                 msleep(200);
1928
1929                 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
1930                 if (good_cnt != 64) {
1931                         ret_val = 13;
1932                         break;
1933                 }
1934         }
1935
1936         /* free the original skb */
1937         kfree_skb(skb);
1938         adapter->flags = flags_orig;
1939
1940         return ret_val;
1941 }
1942
1943 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1944 {
1945         *data = ixgbe_setup_desc_rings(adapter);
1946         if (*data)
1947                 goto out;
1948         *data = ixgbe_setup_loopback_test(adapter);
1949         if (*data)
1950                 goto err_loopback;
1951         *data = ixgbe_run_loopback_test(adapter);
1952         ixgbe_loopback_cleanup(adapter);
1953
1954 err_loopback:
1955         ixgbe_free_desc_rings(adapter);
1956 out:
1957         return *data;
1958 }
1959
1960 static void ixgbe_diag_test(struct net_device *netdev,
1961                             struct ethtool_test *eth_test, u64 *data)
1962 {
1963         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1964         bool if_running = netif_running(netdev);
1965
1966         if (ixgbe_removed(adapter->hw.hw_addr)) {
1967                 e_err(hw, "Adapter removed - test blocked\n");
1968                 data[0] = 1;
1969                 data[1] = 1;
1970                 data[2] = 1;
1971                 data[3] = 1;
1972                 eth_test->flags |= ETH_TEST_FL_FAILED;
1973                 return;
1974         }
1975         set_bit(__IXGBE_TESTING, &adapter->state);
1976         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1977                 struct ixgbe_hw *hw = &adapter->hw;
1978
1979                 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1980                         int i;
1981                         for (i = 0; i < adapter->num_vfs; i++) {
1982                                 if (adapter->vfinfo[i].clear_to_send) {
1983                                         netdev_warn(netdev, "%s",
1984                                                     "offline diagnostic is not "
1985                                                     "supported when VFs are "
1986                                                     "present\n");
1987                                         data[0] = 1;
1988                                         data[1] = 1;
1989                                         data[2] = 1;
1990                                         data[3] = 1;
1991                                         eth_test->flags |= ETH_TEST_FL_FAILED;
1992                                         clear_bit(__IXGBE_TESTING,
1993                                                   &adapter->state);
1994                                         goto skip_ol_tests;
1995                                 }
1996                         }
1997                 }
1998
1999                 /* Offline tests */
2000                 e_info(hw, "offline testing starting\n");
2001
2002                 /* Link test performed before hardware reset so autoneg doesn't
2003                  * interfere with test result
2004                  */
2005                 if (ixgbe_link_test(adapter, &data[4]))
2006                         eth_test->flags |= ETH_TEST_FL_FAILED;
2007
2008                 if (if_running)
2009                         /* indicate we're in test mode */
2010                         dev_close(netdev);
2011                 else
2012                         ixgbe_reset(adapter);
2013
2014                 e_info(hw, "register testing starting\n");
2015                 if (ixgbe_reg_test(adapter, &data[0]))
2016                         eth_test->flags |= ETH_TEST_FL_FAILED;
2017
2018                 ixgbe_reset(adapter);
2019                 e_info(hw, "eeprom testing starting\n");
2020                 if (ixgbe_eeprom_test(adapter, &data[1]))
2021                         eth_test->flags |= ETH_TEST_FL_FAILED;
2022
2023                 ixgbe_reset(adapter);
2024                 e_info(hw, "interrupt testing starting\n");
2025                 if (ixgbe_intr_test(adapter, &data[2]))
2026                         eth_test->flags |= ETH_TEST_FL_FAILED;
2027
2028                 /* If SRIOV or VMDq is enabled then skip MAC
2029                  * loopback diagnostic. */
2030                 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
2031                                       IXGBE_FLAG_VMDQ_ENABLED)) {
2032                         e_info(hw, "Skip MAC loopback diagnostic in VT "
2033                                "mode\n");
2034                         data[3] = 0;
2035                         goto skip_loopback;
2036                 }
2037
2038                 ixgbe_reset(adapter);
2039                 e_info(hw, "loopback testing starting\n");
2040                 if (ixgbe_loopback_test(adapter, &data[3]))
2041                         eth_test->flags |= ETH_TEST_FL_FAILED;
2042
2043 skip_loopback:
2044                 ixgbe_reset(adapter);
2045
2046                 /* clear testing bit and return adapter to previous state */
2047                 clear_bit(__IXGBE_TESTING, &adapter->state);
2048                 if (if_running)
2049                         dev_open(netdev);
2050                 else if (hw->mac.ops.disable_tx_laser)
2051                         hw->mac.ops.disable_tx_laser(hw);
2052         } else {
2053                 e_info(hw, "online testing starting\n");
2054
2055                 /* Online tests */
2056                 if (ixgbe_link_test(adapter, &data[4]))
2057                         eth_test->flags |= ETH_TEST_FL_FAILED;
2058
2059                 /* Offline tests aren't run; pass by default */
2060                 data[0] = 0;
2061                 data[1] = 0;
2062                 data[2] = 0;
2063                 data[3] = 0;
2064
2065                 clear_bit(__IXGBE_TESTING, &adapter->state);
2066         }
2067
2068 skip_ol_tests:
2069         msleep_interruptible(4 * 1000);
2070 }
2071
2072 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
2073                                struct ethtool_wolinfo *wol)
2074 {
2075         struct ixgbe_hw *hw = &adapter->hw;
2076         int retval = 0;
2077
2078         /* WOL not supported for all devices */
2079         if (!ixgbe_wol_supported(adapter, hw->device_id,
2080                                  hw->subsystem_device_id)) {
2081                 retval = 1;
2082                 wol->supported = 0;
2083         }
2084
2085         return retval;
2086 }
2087
2088 static void ixgbe_get_wol(struct net_device *netdev,
2089                           struct ethtool_wolinfo *wol)
2090 {
2091         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2092
2093         wol->supported = WAKE_UCAST | WAKE_MCAST |
2094                          WAKE_BCAST | WAKE_MAGIC;
2095         wol->wolopts = 0;
2096
2097         if (ixgbe_wol_exclusion(adapter, wol) ||
2098             !device_can_wakeup(&adapter->pdev->dev))
2099                 return;
2100
2101         if (adapter->wol & IXGBE_WUFC_EX)
2102                 wol->wolopts |= WAKE_UCAST;
2103         if (adapter->wol & IXGBE_WUFC_MC)
2104                 wol->wolopts |= WAKE_MCAST;
2105         if (adapter->wol & IXGBE_WUFC_BC)
2106                 wol->wolopts |= WAKE_BCAST;
2107         if (adapter->wol & IXGBE_WUFC_MAG)
2108                 wol->wolopts |= WAKE_MAGIC;
2109 }
2110
2111 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2112 {
2113         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2114
2115         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
2116                 return -EOPNOTSUPP;
2117
2118         if (ixgbe_wol_exclusion(adapter, wol))
2119                 return wol->wolopts ? -EOPNOTSUPP : 0;
2120
2121         adapter->wol = 0;
2122
2123         if (wol->wolopts & WAKE_UCAST)
2124                 adapter->wol |= IXGBE_WUFC_EX;
2125         if (wol->wolopts & WAKE_MCAST)
2126                 adapter->wol |= IXGBE_WUFC_MC;
2127         if (wol->wolopts & WAKE_BCAST)
2128                 adapter->wol |= IXGBE_WUFC_BC;
2129         if (wol->wolopts & WAKE_MAGIC)
2130                 adapter->wol |= IXGBE_WUFC_MAG;
2131
2132         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2133
2134         return 0;
2135 }
2136
2137 static int ixgbe_nway_reset(struct net_device *netdev)
2138 {
2139         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2140
2141         if (netif_running(netdev))
2142                 ixgbe_reinit_locked(adapter);
2143
2144         return 0;
2145 }
2146
2147 static int ixgbe_set_phys_id(struct net_device *netdev,
2148                              enum ethtool_phys_id_state state)
2149 {
2150         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2151         struct ixgbe_hw *hw = &adapter->hw;
2152
2153         switch (state) {
2154         case ETHTOOL_ID_ACTIVE:
2155                 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2156                 return 2;
2157
2158         case ETHTOOL_ID_ON:
2159                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
2160                 break;
2161
2162         case ETHTOOL_ID_OFF:
2163                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
2164                 break;
2165
2166         case ETHTOOL_ID_INACTIVE:
2167                 /* Restore LED settings */
2168                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2169                 break;
2170         }
2171
2172         return 0;
2173 }
2174
2175 static int ixgbe_get_coalesce(struct net_device *netdev,
2176                               struct ethtool_coalesce *ec)
2177 {
2178         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2179
2180         /* only valid if in constant ITR mode */
2181         if (adapter->rx_itr_setting <= 1)
2182                 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2183         else
2184                 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2185
2186         /* if in mixed tx/rx queues per vector mode, report only rx settings */
2187         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2188                 return 0;
2189
2190         /* only valid if in constant ITR mode */
2191         if (adapter->tx_itr_setting <= 1)
2192                 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2193         else
2194                 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2195
2196         return 0;
2197 }
2198
2199 /*
2200  * this function must be called before setting the new value of
2201  * rx_itr_setting
2202  */
2203 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
2204 {
2205         struct net_device *netdev = adapter->netdev;
2206
2207         /* nothing to do if LRO or RSC are not enabled */
2208         if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
2209             !(netdev->features & NETIF_F_LRO))
2210                 return false;
2211
2212         /* check the feature flag value and enable RSC if necessary */
2213         if (adapter->rx_itr_setting == 1 ||
2214             adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2215                 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2216                         adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2217                         e_info(probe, "rx-usecs value high enough "
2218                                       "to re-enable RSC\n");
2219                         return true;
2220                 }
2221         /* if interrupt rate is too high then disable RSC */
2222         } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2223                 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2224                 e_info(probe, "rx-usecs set too low, disabling RSC\n");
2225                 return true;
2226         }
2227         return false;
2228 }
2229
2230 static int ixgbe_set_coalesce(struct net_device *netdev,
2231                               struct ethtool_coalesce *ec)
2232 {
2233         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2234         struct ixgbe_q_vector *q_vector;
2235         int i;
2236         u16 tx_itr_param, rx_itr_param, tx_itr_prev;
2237         bool need_reset = false;
2238
2239         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count) {
2240                 /* reject Tx specific changes in case of mixed RxTx vectors */
2241                 if (ec->tx_coalesce_usecs)
2242                         return -EINVAL;
2243                 tx_itr_prev = adapter->rx_itr_setting;
2244         } else {
2245                 tx_itr_prev = adapter->tx_itr_setting;
2246         }
2247
2248         if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2249             (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2250                 return -EINVAL;
2251
2252         if (ec->rx_coalesce_usecs > 1)
2253                 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2254         else
2255                 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2256
2257         if (adapter->rx_itr_setting == 1)
2258                 rx_itr_param = IXGBE_20K_ITR;
2259         else
2260                 rx_itr_param = adapter->rx_itr_setting;
2261
2262         if (ec->tx_coalesce_usecs > 1)
2263                 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2264         else
2265                 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2266
2267         if (adapter->tx_itr_setting == 1)
2268                 tx_itr_param = IXGBE_10K_ITR;
2269         else
2270                 tx_itr_param = adapter->tx_itr_setting;
2271
2272         /* mixed Rx/Tx */
2273         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2274                 adapter->tx_itr_setting = adapter->rx_itr_setting;
2275
2276 #if IS_ENABLED(CONFIG_BQL)
2277         /* detect ITR changes that require update of TXDCTL.WTHRESH */
2278         if ((adapter->tx_itr_setting != 1) &&
2279             (adapter->tx_itr_setting < IXGBE_100K_ITR)) {
2280                 if ((tx_itr_prev == 1) ||
2281                     (tx_itr_prev >= IXGBE_100K_ITR))
2282                         need_reset = true;
2283         } else {
2284                 if ((tx_itr_prev != 1) &&
2285                     (tx_itr_prev < IXGBE_100K_ITR))
2286                         need_reset = true;
2287         }
2288 #endif
2289         /* check the old value and enable RSC if necessary */
2290         need_reset |= ixgbe_update_rsc(adapter);
2291
2292         for (i = 0; i < adapter->num_q_vectors; i++) {
2293                 q_vector = adapter->q_vector[i];
2294                 if (q_vector->tx.count && !q_vector->rx.count)
2295                         /* tx only */
2296                         q_vector->itr = tx_itr_param;
2297                 else
2298                         /* rx only or mixed */
2299                         q_vector->itr = rx_itr_param;
2300                 ixgbe_write_eitr(q_vector);
2301         }
2302
2303         /*
2304          * do reset here at the end to make sure EITR==0 case is handled
2305          * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2306          * also locks in RSC enable/disable which requires reset
2307          */
2308         if (need_reset)
2309                 ixgbe_do_reset(netdev);
2310
2311         return 0;
2312 }
2313
2314 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2315                                         struct ethtool_rxnfc *cmd)
2316 {
2317         union ixgbe_atr_input *mask = &adapter->fdir_mask;
2318         struct ethtool_rx_flow_spec *fsp =
2319                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2320         struct hlist_node *node2;
2321         struct ixgbe_fdir_filter *rule = NULL;
2322
2323         /* report total rule count */
2324         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2325
2326         hlist_for_each_entry_safe(rule, node2,
2327                                   &adapter->fdir_filter_list, fdir_node) {
2328                 if (fsp->location <= rule->sw_idx)
2329                         break;
2330         }
2331
2332         if (!rule || fsp->location != rule->sw_idx)
2333                 return -EINVAL;
2334
2335         /* fill out the flow spec entry */
2336
2337         /* set flow type field */
2338         switch (rule->filter.formatted.flow_type) {
2339         case IXGBE_ATR_FLOW_TYPE_TCPV4:
2340                 fsp->flow_type = TCP_V4_FLOW;
2341                 break;
2342         case IXGBE_ATR_FLOW_TYPE_UDPV4:
2343                 fsp->flow_type = UDP_V4_FLOW;
2344                 break;
2345         case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2346                 fsp->flow_type = SCTP_V4_FLOW;
2347                 break;
2348         case IXGBE_ATR_FLOW_TYPE_IPV4:
2349                 fsp->flow_type = IP_USER_FLOW;
2350                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2351                 fsp->h_u.usr_ip4_spec.proto = 0;
2352                 fsp->m_u.usr_ip4_spec.proto = 0;
2353                 break;
2354         default:
2355                 return -EINVAL;
2356         }
2357
2358         fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2359         fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2360         fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2361         fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2362         fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2363         fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2364         fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2365         fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2366         fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2367         fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2368         fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2369         fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2370         fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2371         fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2372         fsp->flow_type |= FLOW_EXT;
2373
2374         /* record action */
2375         if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2376                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2377         else
2378                 fsp->ring_cookie = rule->action;
2379
2380         return 0;
2381 }
2382
2383 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2384                                       struct ethtool_rxnfc *cmd,
2385                                       u32 *rule_locs)
2386 {
2387         struct hlist_node *node2;
2388         struct ixgbe_fdir_filter *rule;
2389         int cnt = 0;
2390
2391         /* report total rule count */
2392         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2393
2394         hlist_for_each_entry_safe(rule, node2,
2395                                   &adapter->fdir_filter_list, fdir_node) {
2396                 if (cnt == cmd->rule_cnt)
2397                         return -EMSGSIZE;
2398                 rule_locs[cnt] = rule->sw_idx;
2399                 cnt++;
2400         }
2401
2402         cmd->rule_cnt = cnt;
2403
2404         return 0;
2405 }
2406
2407 static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter,
2408                                    struct ethtool_rxnfc *cmd)
2409 {
2410         cmd->data = 0;
2411
2412         /* Report default options for RSS on ixgbe */
2413         switch (cmd->flow_type) {
2414         case TCP_V4_FLOW:
2415                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2416         case UDP_V4_FLOW:
2417                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2418                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2419         case SCTP_V4_FLOW:
2420         case AH_ESP_V4_FLOW:
2421         case AH_V4_FLOW:
2422         case ESP_V4_FLOW:
2423         case IPV4_FLOW:
2424                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2425                 break;
2426         case TCP_V6_FLOW:
2427                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2428         case UDP_V6_FLOW:
2429                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2430                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2431         case SCTP_V6_FLOW:
2432         case AH_ESP_V6_FLOW:
2433         case AH_V6_FLOW:
2434         case ESP_V6_FLOW:
2435         case IPV6_FLOW:
2436                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2437                 break;
2438         default:
2439                 return -EINVAL;
2440         }
2441
2442         return 0;
2443 }
2444
2445 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2446                            u32 *rule_locs)
2447 {
2448         struct ixgbe_adapter *adapter = netdev_priv(dev);
2449         int ret = -EOPNOTSUPP;
2450
2451         switch (cmd->cmd) {
2452         case ETHTOOL_GRXRINGS:
2453                 cmd->data = adapter->num_rx_queues;
2454                 ret = 0;
2455                 break;
2456         case ETHTOOL_GRXCLSRLCNT:
2457                 cmd->rule_cnt = adapter->fdir_filter_count;
2458                 ret = 0;
2459                 break;
2460         case ETHTOOL_GRXCLSRULE:
2461                 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2462                 break;
2463         case ETHTOOL_GRXCLSRLALL:
2464                 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
2465                 break;
2466         case ETHTOOL_GRXFH:
2467                 ret = ixgbe_get_rss_hash_opts(adapter, cmd);
2468                 break;
2469         default:
2470                 break;
2471         }
2472
2473         return ret;
2474 }
2475
2476 static int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2477                                            struct ixgbe_fdir_filter *input,
2478                                            u16 sw_idx)
2479 {
2480         struct ixgbe_hw *hw = &adapter->hw;
2481         struct hlist_node *node2;
2482         struct ixgbe_fdir_filter *rule, *parent;
2483         int err = -EINVAL;
2484
2485         parent = NULL;
2486         rule = NULL;
2487
2488         hlist_for_each_entry_safe(rule, node2,
2489                                   &adapter->fdir_filter_list, fdir_node) {
2490                 /* hash found, or no matching entry */
2491                 if (rule->sw_idx >= sw_idx)
2492                         break;
2493                 parent = rule;
2494         }
2495
2496         /* if there is an old rule occupying our place remove it */
2497         if (rule && (rule->sw_idx == sw_idx)) {
2498                 if (!input || (rule->filter.formatted.bkt_hash !=
2499                                input->filter.formatted.bkt_hash)) {
2500                         err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2501                                                                 &rule->filter,
2502                                                                 sw_idx);
2503                 }
2504
2505                 hlist_del(&rule->fdir_node);
2506                 kfree(rule);
2507                 adapter->fdir_filter_count--;
2508         }
2509
2510         /*
2511          * If no input this was a delete, err should be 0 if a rule was
2512          * successfully found and removed from the list else -EINVAL
2513          */
2514         if (!input)
2515                 return err;
2516
2517         /* initialize node and set software index */
2518         INIT_HLIST_NODE(&input->fdir_node);
2519
2520         /* add filter to the list */
2521         if (parent)
2522                 hlist_add_after(&parent->fdir_node, &input->fdir_node);
2523         else
2524                 hlist_add_head(&input->fdir_node,
2525                                &adapter->fdir_filter_list);
2526
2527         /* update counts */
2528         adapter->fdir_filter_count++;
2529
2530         return 0;
2531 }
2532
2533 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2534                                        u8 *flow_type)
2535 {
2536         switch (fsp->flow_type & ~FLOW_EXT) {
2537         case TCP_V4_FLOW:
2538                 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2539                 break;
2540         case UDP_V4_FLOW:
2541                 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2542                 break;
2543         case SCTP_V4_FLOW:
2544                 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2545                 break;
2546         case IP_USER_FLOW:
2547                 switch (fsp->h_u.usr_ip4_spec.proto) {
2548                 case IPPROTO_TCP:
2549                         *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2550                         break;
2551                 case IPPROTO_UDP:
2552                         *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2553                         break;
2554                 case IPPROTO_SCTP:
2555                         *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2556                         break;
2557                 case 0:
2558                         if (!fsp->m_u.usr_ip4_spec.proto) {
2559                                 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2560                                 break;
2561                         }
2562                 default:
2563                         return 0;
2564                 }
2565                 break;
2566         default:
2567                 return 0;
2568         }
2569
2570         return 1;
2571 }
2572
2573 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2574                                         struct ethtool_rxnfc *cmd)
2575 {
2576         struct ethtool_rx_flow_spec *fsp =
2577                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2578         struct ixgbe_hw *hw = &adapter->hw;
2579         struct ixgbe_fdir_filter *input;
2580         union ixgbe_atr_input mask;
2581         int err;
2582
2583         if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2584                 return -EOPNOTSUPP;
2585
2586         /*
2587          * Don't allow programming if the action is a queue greater than
2588          * the number of online Rx queues.
2589          */
2590         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2591             (fsp->ring_cookie >= adapter->num_rx_queues))
2592                 return -EINVAL;
2593
2594         /* Don't allow indexes to exist outside of available space */
2595         if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2596                 e_err(drv, "Location out of range\n");
2597                 return -EINVAL;
2598         }
2599
2600         input = kzalloc(sizeof(*input), GFP_ATOMIC);
2601         if (!input)
2602                 return -ENOMEM;
2603
2604         memset(&mask, 0, sizeof(union ixgbe_atr_input));
2605
2606         /* set SW index */
2607         input->sw_idx = fsp->location;
2608
2609         /* record flow type */
2610         if (!ixgbe_flowspec_to_flow_type(fsp,
2611                                          &input->filter.formatted.flow_type)) {
2612                 e_err(drv, "Unrecognized flow type\n");
2613                 goto err_out;
2614         }
2615
2616         mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2617                                    IXGBE_ATR_L4TYPE_MASK;
2618
2619         if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2620                 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2621
2622         /* Copy input into formatted structures */
2623         input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2624         mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2625         input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2626         mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2627         input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2628         mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2629         input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2630         mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2631
2632         if (fsp->flow_type & FLOW_EXT) {
2633                 input->filter.formatted.vm_pool =
2634                                 (unsigned char)ntohl(fsp->h_ext.data[1]);
2635                 mask.formatted.vm_pool =
2636                                 (unsigned char)ntohl(fsp->m_ext.data[1]);
2637                 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2638                 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2639                 input->filter.formatted.flex_bytes =
2640                                                 fsp->h_ext.vlan_etype;
2641                 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2642         }
2643
2644         /* determine if we need to drop or route the packet */
2645         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2646                 input->action = IXGBE_FDIR_DROP_QUEUE;
2647         else
2648                 input->action = fsp->ring_cookie;
2649
2650         spin_lock(&adapter->fdir_perfect_lock);
2651
2652         if (hlist_empty(&adapter->fdir_filter_list)) {
2653                 /* save mask and program input mask into HW */
2654                 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2655                 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2656                 if (err) {
2657                         e_err(drv, "Error writing mask\n");
2658                         goto err_out_w_lock;
2659                 }
2660         } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2661                 e_err(drv, "Only one mask supported per port\n");
2662                 goto err_out_w_lock;
2663         }
2664
2665         /* apply mask and compute/store hash */
2666         ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2667
2668         /* program filters to filter memory */
2669         err = ixgbe_fdir_write_perfect_filter_82599(hw,
2670                                 &input->filter, input->sw_idx,
2671                                 (input->action == IXGBE_FDIR_DROP_QUEUE) ?
2672                                 IXGBE_FDIR_DROP_QUEUE :
2673                                 adapter->rx_ring[input->action]->reg_idx);
2674         if (err)
2675                 goto err_out_w_lock;
2676
2677         ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2678
2679         spin_unlock(&adapter->fdir_perfect_lock);
2680
2681         return err;
2682 err_out_w_lock:
2683         spin_unlock(&adapter->fdir_perfect_lock);
2684 err_out:
2685         kfree(input);
2686         return -EINVAL;
2687 }
2688
2689 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2690                                         struct ethtool_rxnfc *cmd)
2691 {
2692         struct ethtool_rx_flow_spec *fsp =
2693                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2694         int err;
2695
2696         spin_lock(&adapter->fdir_perfect_lock);
2697         err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
2698         spin_unlock(&adapter->fdir_perfect_lock);
2699
2700         return err;
2701 }
2702
2703 #define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
2704                        IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2705 static int ixgbe_set_rss_hash_opt(struct ixgbe_adapter *adapter,
2706                                   struct ethtool_rxnfc *nfc)
2707 {
2708         u32 flags2 = adapter->flags2;
2709
2710         /*
2711          * RSS does not support anything other than hashing
2712          * to queues on src and dst IPs and ports
2713          */
2714         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2715                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2716                 return -EINVAL;
2717
2718         switch (nfc->flow_type) {
2719         case TCP_V4_FLOW:
2720         case TCP_V6_FLOW:
2721                 if (!(nfc->data & RXH_IP_SRC) ||
2722                     !(nfc->data & RXH_IP_DST) ||
2723                     !(nfc->data & RXH_L4_B_0_1) ||
2724                     !(nfc->data & RXH_L4_B_2_3))
2725                         return -EINVAL;
2726                 break;
2727         case UDP_V4_FLOW:
2728                 if (!(nfc->data & RXH_IP_SRC) ||
2729                     !(nfc->data & RXH_IP_DST))
2730                         return -EINVAL;
2731                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2732                 case 0:
2733                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2734                         break;
2735                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2736                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2737                         break;
2738                 default:
2739                         return -EINVAL;
2740                 }
2741                 break;
2742         case UDP_V6_FLOW:
2743                 if (!(nfc->data & RXH_IP_SRC) ||
2744                     !(nfc->data & RXH_IP_DST))
2745                         return -EINVAL;
2746                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2747                 case 0:
2748                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2749                         break;
2750                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2751                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2752                         break;
2753                 default:
2754                         return -EINVAL;
2755                 }
2756                 break;
2757         case AH_ESP_V4_FLOW:
2758         case AH_V4_FLOW:
2759         case ESP_V4_FLOW:
2760         case SCTP_V4_FLOW:
2761         case AH_ESP_V6_FLOW:
2762         case AH_V6_FLOW:
2763         case ESP_V6_FLOW:
2764         case SCTP_V6_FLOW:
2765                 if (!(nfc->data & RXH_IP_SRC) ||
2766                     !(nfc->data & RXH_IP_DST) ||
2767                     (nfc->data & RXH_L4_B_0_1) ||
2768                     (nfc->data & RXH_L4_B_2_3))
2769                         return -EINVAL;
2770                 break;
2771         default:
2772                 return -EINVAL;
2773         }
2774
2775         /* if we changed something we need to update flags */
2776         if (flags2 != adapter->flags2) {
2777                 struct ixgbe_hw *hw = &adapter->hw;
2778                 u32 mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
2779
2780                 if ((flags2 & UDP_RSS_FLAGS) &&
2781                     !(adapter->flags2 & UDP_RSS_FLAGS))
2782                         e_warn(drv, "enabling UDP RSS: fragmented packets"
2783                                " may arrive out of order to the stack above\n");
2784
2785                 adapter->flags2 = flags2;
2786
2787                 /* Perform hash on these packet types */
2788                 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
2789                       | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
2790                       | IXGBE_MRQC_RSS_FIELD_IPV6
2791                       | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
2792
2793                 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
2794                           IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
2795
2796                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2797                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
2798
2799                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2800                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
2801
2802                 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
2803         }
2804
2805         return 0;
2806 }
2807
2808 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2809 {
2810         struct ixgbe_adapter *adapter = netdev_priv(dev);
2811         int ret = -EOPNOTSUPP;
2812
2813         switch (cmd->cmd) {
2814         case ETHTOOL_SRXCLSRLINS:
2815                 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
2816                 break;
2817         case ETHTOOL_SRXCLSRLDEL:
2818                 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
2819                 break;
2820         case ETHTOOL_SRXFH:
2821                 ret = ixgbe_set_rss_hash_opt(adapter, cmd);
2822                 break;
2823         default:
2824                 break;
2825         }
2826
2827         return ret;
2828 }
2829
2830 static int ixgbe_get_ts_info(struct net_device *dev,
2831                              struct ethtool_ts_info *info)
2832 {
2833         struct ixgbe_adapter *adapter = netdev_priv(dev);
2834
2835         switch (adapter->hw.mac.type) {
2836         case ixgbe_mac_X540:
2837         case ixgbe_mac_82599EB:
2838                 info->so_timestamping =
2839                         SOF_TIMESTAMPING_TX_SOFTWARE |
2840                         SOF_TIMESTAMPING_RX_SOFTWARE |
2841                         SOF_TIMESTAMPING_SOFTWARE |
2842                         SOF_TIMESTAMPING_TX_HARDWARE |
2843                         SOF_TIMESTAMPING_RX_HARDWARE |
2844                         SOF_TIMESTAMPING_RAW_HARDWARE;
2845
2846                 if (adapter->ptp_clock)
2847                         info->phc_index = ptp_clock_index(adapter->ptp_clock);
2848                 else
2849                         info->phc_index = -1;
2850
2851                 info->tx_types =
2852                         (1 << HWTSTAMP_TX_OFF) |
2853                         (1 << HWTSTAMP_TX_ON);
2854
2855                 info->rx_filters =
2856                         (1 << HWTSTAMP_FILTER_NONE) |
2857                         (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2858                         (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2859                         (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
2860                         (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
2861                         (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
2862                         (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2863                         (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2864                         (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2865                         (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2866                         (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2867                         (1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
2868                 break;
2869         default:
2870                 return ethtool_op_get_ts_info(dev, info);
2871                 break;
2872         }
2873         return 0;
2874 }
2875
2876 static unsigned int ixgbe_max_channels(struct ixgbe_adapter *adapter)
2877 {
2878         unsigned int max_combined;
2879         u8 tcs = netdev_get_num_tc(adapter->netdev);
2880
2881         if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
2882                 /* We only support one q_vector without MSI-X */
2883                 max_combined = 1;
2884         } else if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
2885                 /* SR-IOV currently only allows one queue on the PF */
2886                 max_combined = 1;
2887         } else if (tcs > 1) {
2888                 /* For DCB report channels per traffic class */
2889                 if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
2890                         /* 8 TC w/ 4 queues per TC */
2891                         max_combined = 4;
2892                 } else if (tcs > 4) {
2893                         /* 8 TC w/ 8 queues per TC */
2894                         max_combined = 8;
2895                 } else {
2896                         /* 4 TC w/ 16 queues per TC */
2897                         max_combined = 16;
2898                 }
2899         } else if (adapter->atr_sample_rate) {
2900                 /* support up to 64 queues with ATR */
2901                 max_combined = IXGBE_MAX_FDIR_INDICES;
2902         } else {
2903                 /* support up to 16 queues with RSS */
2904                 max_combined = IXGBE_MAX_RSS_INDICES;
2905         }
2906
2907         return max_combined;
2908 }
2909
2910 static void ixgbe_get_channels(struct net_device *dev,
2911                                struct ethtool_channels *ch)
2912 {
2913         struct ixgbe_adapter *adapter = netdev_priv(dev);
2914
2915         /* report maximum channels */
2916         ch->max_combined = ixgbe_max_channels(adapter);
2917
2918         /* report info for other vector */
2919         if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
2920                 ch->max_other = NON_Q_VECTORS;
2921                 ch->other_count = NON_Q_VECTORS;
2922         }
2923
2924         /* record RSS queues */
2925         ch->combined_count = adapter->ring_feature[RING_F_RSS].indices;
2926
2927         /* nothing else to report if RSS is disabled */
2928         if (ch->combined_count == 1)
2929                 return;
2930
2931         /* we do not support ATR queueing if SR-IOV is enabled */
2932         if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
2933                 return;
2934
2935         /* same thing goes for being DCB enabled */
2936         if (netdev_get_num_tc(dev) > 1)
2937                 return;
2938
2939         /* if ATR is disabled we can exit */
2940         if (!adapter->atr_sample_rate)
2941                 return;
2942
2943         /* report flow director queues as maximum channels */
2944         ch->combined_count = adapter->ring_feature[RING_F_FDIR].indices;
2945 }
2946
2947 static int ixgbe_set_channels(struct net_device *dev,
2948                               struct ethtool_channels *ch)
2949 {
2950         struct ixgbe_adapter *adapter = netdev_priv(dev);
2951         unsigned int count = ch->combined_count;
2952
2953         /* verify they are not requesting separate vectors */
2954         if (!count || ch->rx_count || ch->tx_count)
2955                 return -EINVAL;
2956
2957         /* verify other_count has not changed */
2958         if (ch->other_count != NON_Q_VECTORS)
2959                 return -EINVAL;
2960
2961         /* verify the number of channels does not exceed hardware limits */
2962         if (count > ixgbe_max_channels(adapter))
2963                 return -EINVAL;
2964
2965         /* update feature limits from largest to smallest supported values */
2966         adapter->ring_feature[RING_F_FDIR].limit = count;
2967
2968         /* cap RSS limit at 16 */
2969         if (count > IXGBE_MAX_RSS_INDICES)
2970                 count = IXGBE_MAX_RSS_INDICES;
2971         adapter->ring_feature[RING_F_RSS].limit = count;
2972
2973 #ifdef IXGBE_FCOE
2974         /* cap FCoE limit at 8 */
2975         if (count > IXGBE_FCRETA_SIZE)
2976                 count = IXGBE_FCRETA_SIZE;
2977         adapter->ring_feature[RING_F_FCOE].limit = count;
2978
2979 #endif
2980         /* use setup TC to update any traffic class queue mapping */
2981         return ixgbe_setup_tc(dev, netdev_get_num_tc(dev));
2982 }
2983
2984 static int ixgbe_get_module_info(struct net_device *dev,
2985                                        struct ethtool_modinfo *modinfo)
2986 {
2987         struct ixgbe_adapter *adapter = netdev_priv(dev);
2988         struct ixgbe_hw *hw = &adapter->hw;
2989         u32 status;
2990         u8 sff8472_rev, addr_mode;
2991         bool page_swap = false;
2992
2993         /* Check whether we support SFF-8472 or not */
2994         status = hw->phy.ops.read_i2c_eeprom(hw,
2995                                              IXGBE_SFF_SFF_8472_COMP,
2996                                              &sff8472_rev);
2997         if (status != 0)
2998                 return -EIO;
2999
3000         /* addressing mode is not supported */
3001         status = hw->phy.ops.read_i2c_eeprom(hw,
3002                                              IXGBE_SFF_SFF_8472_SWAP,
3003                                              &addr_mode);
3004         if (status != 0)
3005                 return -EIO;
3006
3007         if (addr_mode & IXGBE_SFF_ADDRESSING_MODE) {
3008                 e_err(drv, "Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
3009                 page_swap = true;
3010         }
3011
3012         if (sff8472_rev == IXGBE_SFF_SFF_8472_UNSUP || page_swap) {
3013                 /* We have a SFP, but it does not support SFF-8472 */
3014                 modinfo->type = ETH_MODULE_SFF_8079;
3015                 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3016         } else {
3017                 /* We have a SFP which supports a revision of SFF-8472. */
3018                 modinfo->type = ETH_MODULE_SFF_8472;
3019                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3020         }
3021
3022         return 0;
3023 }
3024
3025 static int ixgbe_get_module_eeprom(struct net_device *dev,
3026                                          struct ethtool_eeprom *ee,
3027                                          u8 *data)
3028 {
3029         struct ixgbe_adapter *adapter = netdev_priv(dev);
3030         struct ixgbe_hw *hw = &adapter->hw;
3031         u32 status = IXGBE_ERR_PHY_ADDR_INVALID;
3032         u8 databyte = 0xFF;
3033         int i = 0;
3034
3035         if (ee->len == 0)
3036                 return -EINVAL;
3037
3038         for (i = ee->offset; i < ee->offset + ee->len; i++) {
3039                 /* I2C reads can take long time */
3040                 if (test_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
3041                         return -EBUSY;
3042
3043                 if (i < ETH_MODULE_SFF_8079_LEN)
3044                         status = hw->phy.ops.read_i2c_eeprom(hw, i, &databyte);
3045                 else
3046                         status = hw->phy.ops.read_i2c_sff8472(hw, i, &databyte);
3047
3048                 if (status != 0)
3049                         return -EIO;
3050
3051                 data[i - ee->offset] = databyte;
3052         }
3053
3054         return 0;
3055 }
3056
3057 static const struct ethtool_ops ixgbe_ethtool_ops = {
3058         .get_settings           = ixgbe_get_settings,
3059         .set_settings           = ixgbe_set_settings,
3060         .get_drvinfo            = ixgbe_get_drvinfo,
3061         .get_regs_len           = ixgbe_get_regs_len,
3062         .get_regs               = ixgbe_get_regs,
3063         .get_wol                = ixgbe_get_wol,
3064         .set_wol                = ixgbe_set_wol,
3065         .nway_reset             = ixgbe_nway_reset,
3066         .get_link               = ethtool_op_get_link,
3067         .get_eeprom_len         = ixgbe_get_eeprom_len,
3068         .get_eeprom             = ixgbe_get_eeprom,
3069         .set_eeprom             = ixgbe_set_eeprom,
3070         .get_ringparam          = ixgbe_get_ringparam,
3071         .set_ringparam          = ixgbe_set_ringparam,
3072         .get_pauseparam         = ixgbe_get_pauseparam,
3073         .set_pauseparam         = ixgbe_set_pauseparam,
3074         .get_msglevel           = ixgbe_get_msglevel,
3075         .set_msglevel           = ixgbe_set_msglevel,
3076         .self_test              = ixgbe_diag_test,
3077         .get_strings            = ixgbe_get_strings,
3078         .set_phys_id            = ixgbe_set_phys_id,
3079         .get_sset_count         = ixgbe_get_sset_count,
3080         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
3081         .get_coalesce           = ixgbe_get_coalesce,
3082         .set_coalesce           = ixgbe_set_coalesce,
3083         .get_rxnfc              = ixgbe_get_rxnfc,
3084         .set_rxnfc              = ixgbe_set_rxnfc,
3085         .get_channels           = ixgbe_get_channels,
3086         .set_channels           = ixgbe_set_channels,
3087         .get_ts_info            = ixgbe_get_ts_info,
3088         .get_module_info        = ixgbe_get_module_info,
3089         .get_module_eeprom      = ixgbe_get_module_eeprom,
3090 };
3091
3092 void ixgbe_set_ethtool_ops(struct net_device *netdev)
3093 {
3094         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
3095 }