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

   1 /*******************************************************************************
   2
   3   Intel 10 Gigabit PCI Express Linux driver
   4   Copyright(c) 1999 - 2011 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/uaccess.h>
  39
  40 #include "ixgbe.h"
  41
  42
  43 #define IXGBE_ALL_RAR_ENTRIES 16
  44
  45 enum {NETDEV_STATS, IXGBE_STATS};
  46
  47 struct ixgbe_stats {
  48         char stat_string[ETH_GSTRING_LEN];
  49         int type;
  50         int sizeof_stat;
  51         int stat_offset;
  52 };
  53
  54 #define IXGBE_STAT(m)           IXGBE_STATS, \
  55                                 sizeof(((struct ixgbe_adapter *)0)->m), \
  56                                 offsetof(struct ixgbe_adapter, m)
  57 #define IXGBE_NETDEV_STAT(m)    NETDEV_STATS, \
  58                                 sizeof(((struct rtnl_link_stats64 *)0)->m), \
  59                                 offsetof(struct rtnl_link_stats64, m)
  60
  61 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
  62         {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
  63         {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
  64         {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
  65         {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
  66         {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
  67         {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
  68         {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
  69         {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
  70         {"lsc_int", IXGBE_STAT(lsc_int)},
  71         {"tx_busy", IXGBE_STAT(tx_busy)},
  72         {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
  73         {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
  74         {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
  75         {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
  76         {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
  77         {"multicast", IXGBE_NETDEV_STAT(multicast)},
  78         {"broadcast", IXGBE_STAT(stats.bprc)},
  79         {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
  80         {"collisions", IXGBE_NETDEV_STAT(collisions)},
  81         {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
  82         {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
  83         {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
  84         {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
  85         {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
  86         {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
  87         {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
  88         {"fdir_overflow", IXGBE_STAT(fdir_overflow)},
  89         {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
  90         {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
  91         {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
  92         {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
  93         {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
  94         {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
  95         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
  96         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
  97         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
  98         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
  99         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
 100         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
 101         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
 102         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
 103         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
 104         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
 105         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
 106         {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
 107         {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
 108         {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
 109         {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
 110         {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
 111 #ifdef IXGBE_FCOE
 112         {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
 113         {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
 114         {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
 115         {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
 116         {"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
 117         {"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
 118         {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
 119         {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
 120 #endif /* IXGBE_FCOE */
 121 };
 122
 123 #define IXGBE_QUEUE_STATS_LEN \
 124         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
 125         ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
 126         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 127 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 128 #define IXGBE_PB_STATS_LEN ( \
 129                  (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
 130                  IXGBE_FLAG_DCB_ENABLED) ? \
 131                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 132                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 133                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 134                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 135                   / sizeof(u64) : 0)
 136 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 137                          IXGBE_PB_STATS_LEN + \
 138                          IXGBE_QUEUE_STATS_LEN)
 139
 140 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
 141         "Register test  (offline)", "Eeprom test    (offline)",
 142         "Interrupt test (offline)", "Loopback test  (offline)",
 143         "Link test   (on/offline)"
 144 };
 145 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
 146
 147 static int ixgbe_get_settings(struct net_device *netdev,
 148                               struct ethtool_cmd *ecmd)
 149 {
 150         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 151         struct ixgbe_hw *hw = &adapter->hw;
 152         u32 link_speed = 0;
 153         bool link_up;
 154
 155         ecmd->supported = SUPPORTED_10000baseT_Full;
 156         ecmd->autoneg = AUTONEG_ENABLE;
 157         ecmd->transceiver = XCVR_EXTERNAL;
 158         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 159             (hw->phy.multispeed_fiber)) {
 160                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
 161                                     SUPPORTED_Autoneg);
 162
 163                 switch (hw->mac.type) {
 164                 case ixgbe_mac_X540:
 165                         ecmd->supported |= SUPPORTED_100baseT_Full;
 166                         break;
 167                 default:
 168                         break;
 169                 }
 170
 171                 ecmd->advertising = ADVERTISED_Autoneg;
 172                 if (hw->phy.autoneg_advertised) {
 173                         if (hw->phy.autoneg_advertised &
 174                             IXGBE_LINK_SPEED_100_FULL)
 175                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 176                         if (hw->phy.autoneg_advertised &
 177                             IXGBE_LINK_SPEED_10GB_FULL)
 178                                 ecmd->advertising |= ADVERTISED_10000baseT_Full;
 179                         if (hw->phy.autoneg_advertised &
 180                             IXGBE_LINK_SPEED_1GB_FULL)
 181                                 ecmd->advertising |= ADVERTISED_1000baseT_Full;
 182                 } else {
 183                         /*
 184                          * Default advertised modes in case
 185                          * phy.autoneg_advertised isn't set.
 186                          */
 187                         ecmd->advertising |= (ADVERTISED_10000baseT_Full |
 188                                               ADVERTISED_1000baseT_Full);
 189                         if (hw->mac.type == ixgbe_mac_X540)
 190                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 191                 }
 192
 193                 if (hw->phy.media_type == ixgbe_media_type_copper) {
 194                         ecmd->supported |= SUPPORTED_TP;
 195                         ecmd->advertising |= ADVERTISED_TP;
 196                         ecmd->port = PORT_TP;
 197                 } else {
 198                         ecmd->supported |= SUPPORTED_FIBRE;
 199                         ecmd->advertising |= ADVERTISED_FIBRE;
 200                         ecmd->port = PORT_FIBRE;
 201                 }
 202         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
 203                 /* Set as FIBRE until SERDES defined in kernel */
 204                 if (hw->device_id == IXGBE_DEV_ID_82598_BX) {
 205                         ecmd->supported = (SUPPORTED_1000baseT_Full |
 206                                            SUPPORTED_FIBRE);
 207                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 208                                              ADVERTISED_FIBRE);
 209                         ecmd->port = PORT_FIBRE;
 210                         ecmd->autoneg = AUTONEG_DISABLE;
 211                 } else if ((hw->device_id == IXGBE_DEV_ID_82599_COMBO_BACKPLANE) ||
 212                            (hw->device_id == IXGBE_DEV_ID_82599_KX4_MEZZ)) {
 213                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 214                                             SUPPORTED_Autoneg |
 215                                             SUPPORTED_FIBRE);
 216                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 217                                              ADVERTISED_1000baseT_Full |
 218                                              ADVERTISED_Autoneg |
 219                                              ADVERTISED_FIBRE);
 220                         ecmd->port = PORT_FIBRE;
 221                 } else {
 222                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 223                                             SUPPORTED_FIBRE);
 224                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 225                                              ADVERTISED_1000baseT_Full |
 226                                              ADVERTISED_FIBRE);
 227                         ecmd->port = PORT_FIBRE;
 228                 }
 229         } else {
 230                 ecmd->supported |= SUPPORTED_FIBRE;
 231                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 232                                      ADVERTISED_FIBRE);
 233                 ecmd->port = PORT_FIBRE;
 234                 ecmd->autoneg = AUTONEG_DISABLE;
 235         }
 236
 237         /* Get PHY type */
 238         switch (adapter->hw.phy.type) {
 239         case ixgbe_phy_tn:
 240         case ixgbe_phy_aq:
 241         case ixgbe_phy_cu_unknown:
 242                 /* Copper 10G-BASET */
 243                 ecmd->port = PORT_TP;
 244                 break;
 245         case ixgbe_phy_qt:
 246                 ecmd->port = PORT_FIBRE;
 247                 break;
 248         case ixgbe_phy_nl:
 249         case ixgbe_phy_sfp_passive_tyco:
 250         case ixgbe_phy_sfp_passive_unknown:
 251         case ixgbe_phy_sfp_ftl:
 252         case ixgbe_phy_sfp_avago:
 253         case ixgbe_phy_sfp_intel:
 254         case ixgbe_phy_sfp_unknown:
 255                 switch (adapter->hw.phy.sfp_type) {
 256                 /* SFP+ devices, further checking needed */
 257                 case ixgbe_sfp_type_da_cu:
 258                 case ixgbe_sfp_type_da_cu_core0:
 259                 case ixgbe_sfp_type_da_cu_core1:
 260                         ecmd->port = PORT_DA;
 261                         break;
 262                 case ixgbe_sfp_type_sr:
 263                 case ixgbe_sfp_type_lr:
 264                 case ixgbe_sfp_type_srlr_core0:
 265                 case ixgbe_sfp_type_srlr_core1:
 266                         ecmd->port = PORT_FIBRE;
 267                         break;
 268                 case ixgbe_sfp_type_not_present:
 269                         ecmd->port = PORT_NONE;
 270                         break;
 271                 case ixgbe_sfp_type_1g_cu_core0:
 272                 case ixgbe_sfp_type_1g_cu_core1:
 273                         ecmd->port = PORT_TP;
 274                         ecmd->supported = SUPPORTED_TP;
 275                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 276                                              ADVERTISED_TP);
 277                         break;
 278                 case ixgbe_sfp_type_unknown:
 279                 default:
 280                         ecmd->port = PORT_OTHER;
 281                         break;
 282                 }
 283                 break;
 284         case ixgbe_phy_xaui:
 285                 ecmd->port = PORT_NONE;
 286                 break;
 287         case ixgbe_phy_unknown:
 288         case ixgbe_phy_generic:
 289         case ixgbe_phy_sfp_unsupported:
 290         default:
 291                 ecmd->port = PORT_OTHER;
 292                 break;
 293         }
 294
 295         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 296         if (link_up) {
 297                 switch (link_speed) {
 298                 case IXGBE_LINK_SPEED_10GB_FULL:
 299                         ethtool_cmd_speed_set(ecmd, SPEED_10000);
 300                         break;
 301                 case IXGBE_LINK_SPEED_1GB_FULL:
 302                         ethtool_cmd_speed_set(ecmd, SPEED_1000);
 303                         break;
 304                 case IXGBE_LINK_SPEED_100_FULL:
 305                         ethtool_cmd_speed_set(ecmd, SPEED_100);
 306                         break;
 307                 default:
 308                         break;
 309                 }
 310                 ecmd->duplex = DUPLEX_FULL;
 311         } else {
 312                 ethtool_cmd_speed_set(ecmd, -1);
 313                 ecmd->duplex = -1;
 314         }
 315
 316         return 0;
 317 }
 318
 319 static int ixgbe_set_settings(struct net_device *netdev,
 320                               struct ethtool_cmd *ecmd)
 321 {
 322         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 323         struct ixgbe_hw *hw = &adapter->hw;
 324         u32 advertised, old;
 325         s32 err = 0;
 326
 327         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 328             (hw->phy.multispeed_fiber)) {
 329                 /*
 330                  * this function does not support duplex forcing, but can
 331                  * limit the advertising of the adapter to the specified speed
 332                  */
 333                 if (ecmd->autoneg == AUTONEG_DISABLE)
 334                         return -EINVAL;
 335
 336                 if (ecmd->advertising & ~ecmd->supported)
 337                         return -EINVAL;
 338
 339                 old = hw->phy.autoneg_advertised;
 340                 advertised = 0;
 341                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 342                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 343
 344                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 345                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 346
 347                 if (ecmd->advertising & ADVERTISED_100baseT_Full)
 348                         advertised |= IXGBE_LINK_SPEED_100_FULL;
 349
 350                 if (old == advertised)
 351                         return err;
 352                 /* this sets the link speed and restarts auto-neg */
 353                 hw->mac.autotry_restart = true;
 354                 err = hw->mac.ops.setup_link(hw, advertised, true, true);
 355                 if (err) {
 356                         e_info(probe, "setup link failed with code %d\n", err);
 357                         hw->mac.ops.setup_link(hw, old, true, true);
 358                 }
 359         } else {
 360                 /* in this case we currently only support 10Gb/FULL */
 361                 u32 speed = ethtool_cmd_speed(ecmd);
 362                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
 363                     (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
 364                     (speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
 365                         return -EINVAL;
 366         }
 367
 368         return err;
 369 }
 370
 371 static void ixgbe_get_pauseparam(struct net_device *netdev,
 372                                  struct ethtool_pauseparam *pause)
 373 {
 374         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 375         struct ixgbe_hw *hw = &adapter->hw;
 376
 377         if (hw->fc.disable_fc_autoneg)
 378                 pause->autoneg = 0;
 379         else
 380                 pause->autoneg = 1;
 381
 382         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 383                 pause->rx_pause = 1;
 384         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 385                 pause->tx_pause = 1;
 386         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 387                 pause->rx_pause = 1;
 388                 pause->tx_pause = 1;
 389 #ifdef CONFIG_DCB
 390         } else if (hw->fc.current_mode == ixgbe_fc_pfc) {
 391                 pause->rx_pause = 0;
 392                 pause->tx_pause = 0;
 393 #endif
 394         }
 395 }
 396
 397 static int ixgbe_set_pauseparam(struct net_device *netdev,
 398                                 struct ethtool_pauseparam *pause)
 399 {
 400         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 401         struct ixgbe_hw *hw = &adapter->hw;
 402         struct ixgbe_fc_info fc;
 403
 404 #ifdef CONFIG_DCB
 405         if (adapter->dcb_cfg.pfc_mode_enable ||
 406                 ((hw->mac.type == ixgbe_mac_82598EB) &&
 407                 (adapter->flags & IXGBE_FLAG_DCB_ENABLED)))
 408                 return -EINVAL;
 409
 410 #endif
 411         fc = hw->fc;
 412
 413         if (pause->autoneg != AUTONEG_ENABLE)
 414                 fc.disable_fc_autoneg = true;
 415         else
 416                 fc.disable_fc_autoneg = false;
 417
 418         if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
 419                 fc.requested_mode = ixgbe_fc_full;
 420         else if (pause->rx_pause && !pause->tx_pause)
 421                 fc.requested_mode = ixgbe_fc_rx_pause;
 422         else if (!pause->rx_pause && pause->tx_pause)
 423                 fc.requested_mode = ixgbe_fc_tx_pause;
 424         else if (!pause->rx_pause && !pause->tx_pause)
 425                 fc.requested_mode = ixgbe_fc_none;
 426         else
 427                 return -EINVAL;
 428
 429 #ifdef CONFIG_DCB
 430         adapter->last_lfc_mode = fc.requested_mode;
 431 #endif
 432
 433         /* if the thing changed then we'll update and use new autoneg */
 434         if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
 435                 hw->fc = fc;
 436                 if (netif_running(netdev))
 437                         ixgbe_reinit_locked(adapter);
 438                 else
 439                         ixgbe_reset(adapter);
 440         }
 441
 442         return 0;
 443 }
 444
 445 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 446 {
 447         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 448         return adapter->msg_enable;
 449 }
 450
 451 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 452 {
 453         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 454         adapter->msg_enable = data;
 455 }
 456
 457 static int ixgbe_get_regs_len(struct net_device *netdev)
 458 {
 459 #define IXGBE_REGS_LEN  1129
 460         return IXGBE_REGS_LEN * sizeof(u32);
 461 }
 462
 463 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 464
 465 static void ixgbe_get_regs(struct net_device *netdev,
 466                            struct ethtool_regs *regs, void *p)
 467 {
 468         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 469         struct ixgbe_hw *hw = &adapter->hw;
 470         u32 *regs_buff = p;
 471         u8 i;
 472
 473         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 474
 475         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 476
 477         /* General Registers */
 478         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 479         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 480         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 481         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 482         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 483         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 484         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 485         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 486
 487         /* NVM Register */
 488         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 489         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 490         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 491         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 492         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 493         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 494         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 495         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 496         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 497         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 498
 499         /* Interrupt */
 500         /* don't read EICR because it can clear interrupt causes, instead
 501          * read EICS which is a shadow but doesn't clear EICR */
 502         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 503         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 504         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 505         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 506         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 507         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 508         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 509         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 510         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 511         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 512         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 513         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 514
 515         /* Flow Control */
 516         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 517         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 518         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 519         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 520         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 521         for (i = 0; i < 8; i++) {
 522                 switch (hw->mac.type) {
 523                 case ixgbe_mac_82598EB:
 524                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 525                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 526                         break;
 527                 case ixgbe_mac_82599EB:
 528                 case ixgbe_mac_X540:
 529                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
 530                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
 531                         break;
 532                 default:
 533                         break;
 534                 }
 535         }
 536         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 537         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 538
 539         /* Receive DMA */
 540         for (i = 0; i < 64; i++)
 541                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 542         for (i = 0; i < 64; i++)
 543                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 544         for (i = 0; i < 64; i++)
 545                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 546         for (i = 0; i < 64; i++)
 547                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 548         for (i = 0; i < 64; i++)
 549                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 550         for (i = 0; i < 64; i++)
 551                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 552         for (i = 0; i < 16; i++)
 553                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 554         for (i = 0; i < 16; i++)
 555                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 556         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 557         for (i = 0; i < 8; i++)
 558                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 559         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 560         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 561
 562         /* Receive */
 563         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 564         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 565         for (i = 0; i < 16; i++)
 566                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 567         for (i = 0; i < 16; i++)
 568                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 569         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 570         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 571         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 572         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 573         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 574         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 575         for (i = 0; i < 8; i++)
 576                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 577         for (i = 0; i < 8; i++)
 578                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 579         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 580
 581         /* Transmit */
 582         for (i = 0; i < 32; i++)
 583                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 584         for (i = 0; i < 32; i++)
 585                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 586         for (i = 0; i < 32; i++)
 587                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 588         for (i = 0; i < 32; i++)
 589                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 590         for (i = 0; i < 32; i++)
 591                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 592         for (i = 0; i < 32; i++)
 593                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 594         for (i = 0; i < 32; i++)
 595                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 596         for (i = 0; i < 32; i++)
 597                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 598         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 599         for (i = 0; i < 16; i++)
 600                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 601         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 602         for (i = 0; i < 8; i++)
 603                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 604         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 605
 606         /* Wake Up */
 607         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 608         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 609         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 610         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 611         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 612         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 613         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 614         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 615         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 616
 617         /* DCB */
 618         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 619         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 620         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 621         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 622         for (i = 0; i < 8; i++)
 623                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 624         for (i = 0; i < 8; i++)
 625                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 626         for (i = 0; i < 8; i++)
 627                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 628         for (i = 0; i < 8; i++)
 629                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 630         for (i = 0; i < 8; i++)
 631                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 632         for (i = 0; i < 8; i++)
 633                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 634
 635         /* Statistics */
 636         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 637         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 638         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 639         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 640         for (i = 0; i < 8; i++)
 641                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 642         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 643         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 644         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 645         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 646         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 647         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 648         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 649         for (i = 0; i < 8; i++)
 650                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 651         for (i = 0; i < 8; i++)
 652                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 653         for (i = 0; i < 8; i++)
 654                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 655         for (i = 0; i < 8; i++)
 656                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 657         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 658         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 659         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 660         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 661         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 662         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 663         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 664         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 665         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 666         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 667         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 668         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 669         for (i = 0; i < 8; i++)
 670                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 671         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 672         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 673         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 674         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 675         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 676         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 677         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 678         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 679         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 680         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 681         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 682         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 683         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 684         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 685         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 686         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 687         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 688         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 689         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 690         for (i = 0; i < 16; i++)
 691                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 692         for (i = 0; i < 16; i++)
 693                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 694         for (i = 0; i < 16; i++)
 695                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 696         for (i = 0; i < 16; i++)
 697                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 698
 699         /* MAC */
 700         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 701         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 702         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 703         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 704         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 705         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 706         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 707         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 708         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 709         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 710         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 711         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 712         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 713         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 714         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 715         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 716         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 717         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 718         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 719         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 720         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 721         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 722         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 723         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 724         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 725         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 726         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 727         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 728         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 729         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 730         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 731         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 732         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 733
 734         /* Diagnostic */
 735         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 736         for (i = 0; i < 8; i++)
 737                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 738         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 739         for (i = 0; i < 4; i++)
 740                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 741         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 742         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 743         for (i = 0; i < 8; i++)
 744                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 745         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 746         for (i = 0; i < 4; i++)
 747                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 748         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 749         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 750         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 751         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 752         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 753         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 754         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 755         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 756         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 757         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 758         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 759         for (i = 0; i < 8; i++)
 760                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 761         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 762         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 763         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 764         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 765         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 766         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 767         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 768         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 769         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 770
 771         /* 82599 X540 specific registers  */
 772         regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
 773 }
 774
 775 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 776 {
 777         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 778         return adapter->hw.eeprom.word_size * 2;
 779 }
 780
 781 static int ixgbe_get_eeprom(struct net_device *netdev,
 782                             struct ethtool_eeprom *eeprom, u8 *bytes)
 783 {
 784         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 785         struct ixgbe_hw *hw = &adapter->hw;
 786         u16 *eeprom_buff;
 787         int first_word, last_word, eeprom_len;
 788         int ret_val = 0;
 789         u16 i;
 790
 791         if (eeprom->len == 0)
 792                 return -EINVAL;
 793
 794         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 795
 796         first_word = eeprom->offset >> 1;
 797         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 798         eeprom_len = last_word - first_word + 1;
 799
 800         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 801         if (!eeprom_buff)
 802                 return -ENOMEM;
 803
 804         ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
 805                                              eeprom_buff);
 806
 807         /* Device's eeprom is always little-endian, word addressable */
 808         for (i = 0; i < eeprom_len; i++)
 809                 le16_to_cpus(&eeprom_buff[i]);
 810
 811         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 812         kfree(eeprom_buff);
 813
 814         return ret_val;
 815 }
 816
 817 static int ixgbe_set_eeprom(struct net_device *netdev,
 818                             struct ethtool_eeprom *eeprom, u8 *bytes)
 819 {
 820         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 821         struct ixgbe_hw *hw = &adapter->hw;
 822         u16 *eeprom_buff;
 823         void *ptr;
 824         int max_len, first_word, last_word, ret_val = 0;
 825         u16 i;
 826
 827         if (eeprom->len == 0)
 828                 return -EINVAL;
 829
 830         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 831                 return -EINVAL;
 832
 833         max_len = hw->eeprom.word_size * 2;
 834
 835         first_word = eeprom->offset >> 1;
 836         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 837         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 838         if (!eeprom_buff)
 839                 return -ENOMEM;
 840
 841         ptr = eeprom_buff;
 842
 843         if (eeprom->offset & 1) {
 844                 /*
 845                  * need read/modify/write of first changed EEPROM word
 846                  * only the second byte of the word is being modified
 847                  */
 848                 ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
 849                 if (ret_val)
 850                         goto err;
 851
 852                 ptr++;
 853         }
 854         if ((eeprom->offset + eeprom->len) & 1) {
 855                 /*
 856                  * need read/modify/write of last changed EEPROM word
 857                  * only the first byte of the word is being modified
 858                  */
 859                 ret_val = hw->eeprom.ops.read(hw, last_word,
 860                                           &eeprom_buff[last_word - first_word]);
 861                 if (ret_val)
 862                         goto err;
 863         }
 864
 865         /* Device's eeprom is always little-endian, word addressable */
 866         for (i = 0; i < last_word - first_word + 1; i++)
 867                 le16_to_cpus(&eeprom_buff[i]);
 868
 869         memcpy(ptr, bytes, eeprom->len);
 870
 871         for (i = 0; i < last_word - first_word + 1; i++)
 872                 cpu_to_le16s(&eeprom_buff[i]);
 873
 874         ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
 875                                               last_word - first_word + 1,
 876                                               eeprom_buff);
 877
 878         /* Update the checksum */
 879         if (ret_val == 0)
 880                 hw->eeprom.ops.update_checksum(hw);
 881
 882 err:
 883         kfree(eeprom_buff);
 884         return ret_val;
 885 }
 886
 887 static void ixgbe_get_drvinfo(struct net_device *netdev,
 888                               struct ethtool_drvinfo *drvinfo)
 889 {
 890         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 891         char firmware_version[32];
 892
 893         strncpy(drvinfo->driver, ixgbe_driver_name,
 894                 sizeof(drvinfo->driver) - 1);
 895         strncpy(drvinfo->version, ixgbe_driver_version,
 896                 sizeof(drvinfo->version) - 1);
 897
 898         snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d",
 899                  (adapter->eeprom_version & 0xF000) >> 12,
 900                  (adapter->eeprom_version & 0x0FF0) >> 4,
 901                  adapter->eeprom_version & 0x000F);
 902
 903         strncpy(drvinfo->fw_version, firmware_version,
 904                 sizeof(drvinfo->fw_version));
 905         strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
 906                 sizeof(drvinfo->bus_info));
 907         drvinfo->n_stats = IXGBE_STATS_LEN;
 908         drvinfo->testinfo_len = IXGBE_TEST_LEN;
 909         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 910 }
 911
 912 static void ixgbe_get_ringparam(struct net_device *netdev,
 913                                 struct ethtool_ringparam *ring)
 914 {
 915         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 916         struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
 917         struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
 918
 919         ring->rx_max_pending = IXGBE_MAX_RXD;
 920         ring->tx_max_pending = IXGBE_MAX_TXD;
 921         ring->rx_pending = rx_ring->count;
 922         ring->tx_pending = tx_ring->count;
 923 }
 924
 925 static int ixgbe_set_ringparam(struct net_device *netdev,
 926                                struct ethtool_ringparam *ring)
 927 {
 928         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 929         struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
 930         int i, err = 0;
 931         u32 new_rx_count, new_tx_count;
 932         bool need_update = false;
 933
 934         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 935                 return -EINVAL;
 936
 937         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
 938         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
 939         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 940
 941         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
 942         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
 943         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 944
 945         if ((new_tx_count == adapter->tx_ring[0]->count) &&
 946             (new_rx_count == adapter->rx_ring[0]->count)) {
 947                 /* nothing to do */
 948                 return 0;
 949         }
 950
 951         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 952                 usleep_range(1000, 2000);
 953
 954         if (!netif_running(adapter->netdev)) {
 955                 for (i = 0; i < adapter->num_tx_queues; i++)
 956                         adapter->tx_ring[i]->count = new_tx_count;
 957                 for (i = 0; i < adapter->num_rx_queues; i++)
 958                         adapter->rx_ring[i]->count = new_rx_count;
 959                 adapter->tx_ring_count = new_tx_count;
 960                 adapter->rx_ring_count = new_rx_count;
 961                 goto clear_reset;
 962         }
 963
 964         temp_tx_ring = vmalloc(adapter->num_tx_queues * sizeof(struct ixgbe_ring));
 965         if (!temp_tx_ring) {
 966                 err = -ENOMEM;
 967                 goto clear_reset;
 968         }
 969
 970         if (new_tx_count != adapter->tx_ring_count) {
 971                 for (i = 0; i < adapter->num_tx_queues; i++) {
 972                         memcpy(&temp_tx_ring[i], adapter->tx_ring[i],
 973                                sizeof(struct ixgbe_ring));
 974                         temp_tx_ring[i].count = new_tx_count;
 975                         err = ixgbe_setup_tx_resources(&temp_tx_ring[i]);
 976                         if (err) {
 977                                 while (i) {
 978                                         i--;
 979                                         ixgbe_free_tx_resources(&temp_tx_ring[i]);
 980                                 }
 981                                 goto clear_reset;
 982                         }
 983                 }
 984                 need_update = true;
 985         }
 986
 987         temp_rx_ring = vmalloc(adapter->num_rx_queues * sizeof(struct ixgbe_ring));
 988         if (!temp_rx_ring) {
 989                 err = -ENOMEM;
 990                 goto err_setup;
 991         }
 992
 993         if (new_rx_count != adapter->rx_ring_count) {
 994                 for (i = 0; i < adapter->num_rx_queues; i++) {
 995                         memcpy(&temp_rx_ring[i], adapter->rx_ring[i],
 996                                sizeof(struct ixgbe_ring));
 997                         temp_rx_ring[i].count = new_rx_count;
 998                         err = ixgbe_setup_rx_resources(&temp_rx_ring[i]);
 999                         if (err) {
1000                                 while (i) {
1001                                         i--;
1002                                         ixgbe_free_rx_resources(&temp_rx_ring[i]);
1003                                 }
1004                                 goto err_setup;
1005                         }
1006                 }
1007                 need_update = true;
1008         }
1009
1010         /* if rings need to be updated, here's the place to do it in one shot */
1011         if (need_update) {
1012                 ixgbe_down(adapter);
1013
1014                 /* tx */
1015                 if (new_tx_count != adapter->tx_ring_count) {
1016                         for (i = 0; i < adapter->num_tx_queues; i++) {
1017                                 ixgbe_free_tx_resources(adapter->tx_ring[i]);
1018                                 memcpy(adapter->tx_ring[i], &temp_tx_ring[i],
1019                                        sizeof(struct ixgbe_ring));
1020                         }
1021                         adapter->tx_ring_count = new_tx_count;
1022                 }
1023
1024                 /* rx */
1025                 if (new_rx_count != adapter->rx_ring_count) {
1026                         for (i = 0; i < adapter->num_rx_queues; i++) {
1027                                 ixgbe_free_rx_resources(adapter->rx_ring[i]);
1028                                 memcpy(adapter->rx_ring[i], &temp_rx_ring[i],
1029                                        sizeof(struct ixgbe_ring));
1030                         }
1031                         adapter->rx_ring_count = new_rx_count;
1032                 }
1033                 ixgbe_up(adapter);
1034         }
1035
1036         vfree(temp_rx_ring);
1037 err_setup:
1038         vfree(temp_tx_ring);
1039 clear_reset:
1040         clear_bit(__IXGBE_RESETTING, &adapter->state);
1041         return err;
1042 }
1043
1044 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1045 {
1046         switch (sset) {
1047         case ETH_SS_TEST:
1048                 return IXGBE_TEST_LEN;
1049         case ETH_SS_STATS:
1050                 return IXGBE_STATS_LEN;
1051         default:
1052                 return -EOPNOTSUPP;
1053         }
1054 }
1055
1056 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1057                                     struct ethtool_stats *stats, u64 *data)
1058 {
1059         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1060         struct rtnl_link_stats64 temp;
1061         const struct rtnl_link_stats64 *net_stats;
1062         unsigned int start;
1063         struct ixgbe_ring *ring;
1064         int i, j;
1065         char *p = NULL;
1066
1067         ixgbe_update_stats(adapter);
1068         net_stats = dev_get_stats(netdev, &temp);
1069         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1070                 switch (ixgbe_gstrings_stats[i].type) {
1071                 case NETDEV_STATS:
1072                         p = (char *) net_stats +
1073                                         ixgbe_gstrings_stats[i].stat_offset;
1074                         break;
1075                 case IXGBE_STATS:
1076                         p = (char *) adapter +
1077                                         ixgbe_gstrings_stats[i].stat_offset;
1078                         break;
1079                 }
1080
1081                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1082                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1083         }
1084         for (j = 0; j < adapter->num_tx_queues; j++) {
1085                 ring = adapter->tx_ring[j];
1086                 do {
1087                         start = u64_stats_fetch_begin_bh(&ring->syncp);
1088                         data[i]   = ring->stats.packets;
1089                         data[i+1] = ring->stats.bytes;
1090                 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1091                 i += 2;
1092         }
1093         for (j = 0; j < adapter->num_rx_queues; j++) {
1094                 ring = adapter->rx_ring[j];
1095                 do {
1096                         start = u64_stats_fetch_begin_bh(&ring->syncp);
1097                         data[i]   = ring->stats.packets;
1098                         data[i+1] = ring->stats.bytes;
1099                 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1100                 i += 2;
1101         }
1102         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1103                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
1104                         data[i++] = adapter->stats.pxontxc[j];
1105                         data[i++] = adapter->stats.pxofftxc[j];
1106                 }
1107                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
1108                         data[i++] = adapter->stats.pxonrxc[j];
1109                         data[i++] = adapter->stats.pxoffrxc[j];
1110                 }
1111         }
1112 }
1113
1114 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1115                               u8 *data)
1116 {
1117         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1118         char *p = (char *)data;
1119         int i;
1120
1121         switch (stringset) {
1122         case ETH_SS_TEST:
1123                 memcpy(data, *ixgbe_gstrings_test,
1124                        IXGBE_TEST_LEN * ETH_GSTRING_LEN);
1125                 break;
1126         case ETH_SS_STATS:
1127                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1128                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1129                                ETH_GSTRING_LEN);
1130                         p += ETH_GSTRING_LEN;
1131                 }
1132                 for (i = 0; i < adapter->num_tx_queues; i++) {
1133                         sprintf(p, "tx_queue_%u_packets", i);
1134                         p += ETH_GSTRING_LEN;
1135                         sprintf(p, "tx_queue_%u_bytes", i);
1136                         p += ETH_GSTRING_LEN;
1137                 }
1138                 for (i = 0; i < adapter->num_rx_queues; i++) {
1139                         sprintf(p, "rx_queue_%u_packets", i);
1140                         p += ETH_GSTRING_LEN;
1141                         sprintf(p, "rx_queue_%u_bytes", i);
1142                         p += ETH_GSTRING_LEN;
1143                 }
1144                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1145                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
1146                                 sprintf(p, "tx_pb_%u_pxon", i);
1147                                 p += ETH_GSTRING_LEN;
1148                                 sprintf(p, "tx_pb_%u_pxoff", i);
1149                                 p += ETH_GSTRING_LEN;
1150                         }
1151                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
1152                                 sprintf(p, "rx_pb_%u_pxon", i);
1153                                 p += ETH_GSTRING_LEN;
1154                                 sprintf(p, "rx_pb_%u_pxoff", i);
1155                                 p += ETH_GSTRING_LEN;
1156                         }
1157                 }
1158                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1159                 break;
1160         }
1161 }
1162
1163 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1164 {
1165         struct ixgbe_hw *hw = &adapter->hw;
1166         bool link_up;
1167         u32 link_speed = 0;
1168         *data = 0;
1169
1170         hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1171         if (link_up)
1172                 return *data;
1173         else
1174                 *data = 1;
1175         return *data;
1176 }
1177
1178 /* ethtool register test data */
1179 struct ixgbe_reg_test {
1180         u16 reg;
1181         u8  array_len;
1182         u8  test_type;
1183         u32 mask;
1184         u32 write;
1185 };
1186
1187 /* In the hardware, registers are laid out either singly, in arrays
1188  * spaced 0x40 bytes apart, or in contiguous tables.  We assume
1189  * most tests take place on arrays or single registers (handled
1190  * as a single-element array) and special-case the tables.
1191  * Table tests are always pattern tests.
1192  *
1193  * We also make provision for some required setup steps by specifying
1194  * registers to be written without any read-back testing.
1195  */
1196
1197 #define PATTERN_TEST    1
1198 #define SET_READ_TEST   2
1199 #define WRITE_NO_TEST   3
1200 #define TABLE32_TEST    4
1201 #define TABLE64_TEST_LO 5
1202 #define TABLE64_TEST_HI 6
1203
1204 /* default 82599 register test */
1205 static const struct ixgbe_reg_test reg_test_82599[] = {
1206         { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1207         { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1208         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1209         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1210         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1211         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1212         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1213         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1214         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1215         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1216         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1217         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1218         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1219         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1220         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1221         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1222         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1223         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1224         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1225         { 0, 0, 0, 0 }
1226 };
1227
1228 /* default 82598 register test */
1229 static const struct ixgbe_reg_test reg_test_82598[] = {
1230         { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1231         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1232         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1233         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1234         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1235         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1236         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1237         /* Enable all four RX queues before testing. */
1238         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1239         /* RDH is read-only for 82598, only test RDT. */
1240         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1241         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1242         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1243         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1244         { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1245         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1246         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1247         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1248         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1249         { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1250         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1251         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1252         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1253         { 0, 0, 0, 0 }
1254 };
1255
1256 static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1257                              u32 mask, u32 write)
1258 {
1259         u32 pat, val, before;
1260         static const u32 test_pattern[] = {
1261                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1262
1263         for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
1264                 before = readl(adapter->hw.hw_addr + reg);
1265                 writel((test_pattern[pat] & write),
1266                        (adapter->hw.hw_addr + reg));
1267                 val = readl(adapter->hw.hw_addr + reg);
1268                 if (val != (test_pattern[pat] & write & mask)) {
1269                         e_err(drv, "pattern test reg %04X failed: got "
1270                               "0x%08X expected 0x%08X\n",
1271                               reg, val, (test_pattern[pat] & write & mask));
1272                         *data = reg;
1273                         writel(before, adapter->hw.hw_addr + reg);
1274                         return 1;
1275                 }
1276                 writel(before, adapter->hw.hw_addr + reg);
1277         }
1278         return 0;
1279 }
1280
1281 static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1282                               u32 mask, u32 write)
1283 {
1284         u32 val, before;
1285         before = readl(adapter->hw.hw_addr + reg);
1286         writel((write & mask), (adapter->hw.hw_addr + reg));
1287         val = readl(adapter->hw.hw_addr + reg);
1288         if ((write & mask) != (val & mask)) {
1289                 e_err(drv, "set/check reg %04X test failed: got 0x%08X "
1290                       "expected 0x%08X\n", reg, (val & mask), (write & mask));
1291                 *data = reg;
1292                 writel(before, (adapter->hw.hw_addr + reg));
1293                 return 1;
1294         }
1295         writel(before, (adapter->hw.hw_addr + reg));
1296         return 0;
1297 }
1298
1299 #define REG_PATTERN_TEST(reg, mask, write)                                    \
1300         do {                                                                  \
1301                 if (reg_pattern_test(adapter, data, reg, mask, write))        \
1302                         return 1;                                             \
1303         } while (0)                                                           \
1304
1305
1306 #define REG_SET_AND_CHECK(reg, mask, write)                                   \
1307         do {                                                                  \
1308                 if (reg_set_and_check(adapter, data, reg, mask, write))       \
1309                         return 1;                                             \
1310         } while (0)                                                           \
1311
1312 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1313 {
1314         const struct ixgbe_reg_test *test;
1315         u32 value, before, after;
1316         u32 i, toggle;
1317
1318         switch (adapter->hw.mac.type) {
1319         case ixgbe_mac_82598EB:
1320                 toggle = 0x7FFFF3FF;
1321                 test = reg_test_82598;
1322                 break;
1323         case ixgbe_mac_82599EB:
1324         case ixgbe_mac_X540:
1325                 toggle = 0x7FFFF30F;
1326                 test = reg_test_82599;
1327                 break;
1328         default:
1329                 *data = 1;
1330                 return 1;
1331                 break;
1332         }
1333
1334         /*
1335          * Because the status register is such a special case,
1336          * we handle it separately from the rest of the register
1337          * tests.  Some bits are read-only, some toggle, and some
1338          * are writeable on newer MACs.
1339          */
1340         before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1341         value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1342         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1343         after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1344         if (value != after) {
1345                 e_err(drv, "failed STATUS register test got: 0x%08X "
1346                       "expected: 0x%08X\n", after, value);
1347                 *data = 1;
1348                 return 1;
1349         }
1350         /* restore previous status */
1351         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, before);
1352
1353         /*
1354          * Perform the remainder of the register test, looping through
1355          * the test table until we either fail or reach the null entry.
1356          */
1357         while (test->reg) {
1358                 for (i = 0; i < test->array_len; i++) {
1359                         switch (test->test_type) {
1360                         case PATTERN_TEST:
1361                                 REG_PATTERN_TEST(test->reg + (i * 0x40),
1362                                                  test->mask,
1363                                                  test->write);
1364                                 break;
1365                         case SET_READ_TEST:
1366                                 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1367                                                   test->mask,
1368                                                   test->write);
1369                                 break;
1370                         case WRITE_NO_TEST:
1371                                 writel(test->write,
1372                                        (adapter->hw.hw_addr + test->reg)
1373                                        + (i * 0x40));
1374                                 break;
1375                         case TABLE32_TEST:
1376                                 REG_PATTERN_TEST(test->reg + (i * 4),
1377                                                  test->mask,
1378                                                  test->write);
1379                                 break;
1380                         case TABLE64_TEST_LO:
1381                                 REG_PATTERN_TEST(test->reg + (i * 8),
1382                                                  test->mask,
1383                                                  test->write);
1384                                 break;
1385                         case TABLE64_TEST_HI:
1386                                 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1387                                                  test->mask,
1388                                                  test->write);
1389                                 break;
1390                         }
1391                 }
1392                 test++;
1393         }
1394
1395         *data = 0;
1396         return 0;
1397 }
1398
1399 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1400 {
1401         struct ixgbe_hw *hw = &adapter->hw;
1402         if (hw->eeprom.ops.validate_checksum(hw, NULL))
1403                 *data = 1;
1404         else
1405                 *data = 0;
1406         return *data;
1407 }
1408
1409 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1410 {
1411         struct net_device *netdev = (struct net_device *) data;
1412         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1413
1414         adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1415
1416         return IRQ_HANDLED;
1417 }
1418
1419 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1420 {
1421         struct net_device *netdev = adapter->netdev;
1422         u32 mask, i = 0, shared_int = true;
1423         u32 irq = adapter->pdev->irq;
1424
1425         *data = 0;
1426
1427         /* Hook up test interrupt handler just for this test */
1428         if (adapter->msix_entries) {
1429                 /* NOTE: we don't test MSI-X interrupts here, yet */
1430                 return 0;
1431         } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1432                 shared_int = false;
1433                 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1434                                 netdev)) {
1435                         *data = 1;
1436                         return -1;
1437                 }
1438         } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1439                                 netdev->name, netdev)) {
1440                 shared_int = false;
1441         } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1442                                netdev->name, netdev)) {
1443                 *data = 1;
1444                 return -1;
1445         }
1446         e_info(hw, "testing %s interrupt\n", shared_int ?
1447                "shared" : "unshared");
1448
1449         /* Disable all the interrupts */
1450         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1451         IXGBE_WRITE_FLUSH(&adapter->hw);
1452         usleep_range(10000, 20000);
1453
1454         /* Test each interrupt */
1455         for (; i < 10; i++) {
1456                 /* Interrupt to test */
1457                 mask = 1 << i;
1458
1459                 if (!shared_int) {
1460                         /*
1461                          * Disable the interrupts to be reported in
1462                          * the cause register and then force the same
1463                          * interrupt and see if one gets posted.  If
1464                          * an interrupt was posted to the bus, the
1465                          * test failed.
1466                          */
1467                         adapter->test_icr = 0;
1468                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1469                                         ~mask & 0x00007FFF);
1470                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1471                                         ~mask & 0x00007FFF);
1472                         IXGBE_WRITE_FLUSH(&adapter->hw);
1473                         usleep_range(10000, 20000);
1474
1475                         if (adapter->test_icr & mask) {
1476                                 *data = 3;
1477                                 break;
1478                         }
1479                 }
1480
1481                 /*
1482                  * Enable the interrupt to be reported in the cause
1483                  * register and then force the same interrupt and see
1484                  * if one gets posted.  If an interrupt was not posted
1485                  * to the bus, the test failed.
1486                  */
1487                 adapter->test_icr = 0;
1488                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1489                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1490                 IXGBE_WRITE_FLUSH(&adapter->hw);
1491                 usleep_range(10000, 20000);
1492
1493                 if (!(adapter->test_icr &mask)) {
1494                         *data = 4;
1495                         break;
1496                 }
1497
1498                 if (!shared_int) {
1499                         /*
1500                          * Disable the other interrupts to be reported in
1501                          * the cause register and then force the other
1502                          * interrupts and see if any get posted.  If
1503                          * an interrupt was posted to the bus, the
1504                          * test failed.
1505                          */
1506                         adapter->test_icr = 0;
1507                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1508                                         ~mask & 0x00007FFF);
1509                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1510                                         ~mask & 0x00007FFF);
1511                         IXGBE_WRITE_FLUSH(&adapter->hw);
1512                         usleep_range(10000, 20000);
1513
1514                         if (adapter->test_icr) {
1515                                 *data = 5;
1516                                 break;
1517                         }
1518                 }
1519         }
1520
1521         /* Disable all the interrupts */
1522         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1523         IXGBE_WRITE_FLUSH(&adapter->hw);
1524         usleep_range(10000, 20000);
1525
1526         /* Unhook test interrupt handler */
1527         free_irq(irq, netdev);
1528
1529         return *data;
1530 }
1531
1532 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1533 {
1534         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1535         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1536         struct ixgbe_hw *hw = &adapter->hw;
1537         u32 reg_ctl;
1538
1539         /* shut down the DMA engines now so they can be reinitialized later */
1540
1541         /* first Rx */
1542         reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
1543         reg_ctl &= ~IXGBE_RXCTRL_RXEN;
1544         IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
1545         ixgbe_disable_rx_queue(adapter, rx_ring);
1546
1547         /* now Tx */
1548         reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx));
1549         reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1550         IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
1551
1552         switch (hw->mac.type) {
1553         case ixgbe_mac_82599EB:
1554         case ixgbe_mac_X540:
1555                 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1556                 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1557                 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1558                 break;
1559         default:
1560                 break;
1561         }
1562
1563         ixgbe_reset(adapter);
1564
1565         ixgbe_free_tx_resources(&adapter->test_tx_ring);
1566         ixgbe_free_rx_resources(&adapter->test_rx_ring);
1567 }
1568
1569 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1570 {
1571         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1572         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1573         u32 rctl, reg_data;
1574         int ret_val;
1575         int err;
1576
1577         /* Setup Tx descriptor ring and Tx buffers */
1578         tx_ring->count = IXGBE_DEFAULT_TXD;
1579         tx_ring->queue_index = 0;
1580         tx_ring->dev = &adapter->pdev->dev;
1581         tx_ring->netdev = adapter->netdev;
1582         tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1583         tx_ring->numa_node = adapter->node;
1584
1585         err = ixgbe_setup_tx_resources(tx_ring);
1586         if (err)
1587                 return 1;
1588
1589         switch (adapter->hw.mac.type) {
1590         case ixgbe_mac_82599EB:
1591         case ixgbe_mac_X540:
1592                 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1593                 reg_data |= IXGBE_DMATXCTL_TE;
1594                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1595                 break;
1596         default:
1597                 break;
1598         }
1599
1600         ixgbe_configure_tx_ring(adapter, tx_ring);
1601
1602         /* Setup Rx Descriptor ring and Rx buffers */
1603         rx_ring->count = IXGBE_DEFAULT_RXD;
1604         rx_ring->queue_index = 0;
1605         rx_ring->dev = &adapter->pdev->dev;
1606         rx_ring->netdev = adapter->netdev;
1607         rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1608         rx_ring->rx_buf_len = IXGBE_RXBUFFER_2K;
1609         rx_ring->numa_node = adapter->node;
1610
1611         err = ixgbe_setup_rx_resources(rx_ring);
1612         if (err) {
1613                 ret_val = 4;
1614                 goto err_nomem;
1615         }
1616
1617         rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1618         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
1619
1620         ixgbe_configure_rx_ring(adapter, rx_ring);
1621
1622         rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
1623         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1624
1625         return 0;
1626
1627 err_nomem:
1628         ixgbe_free_desc_rings(adapter);
1629         return ret_val;
1630 }
1631
1632 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1633 {
1634         struct ixgbe_hw *hw = &adapter->hw;
1635         u32 reg_data;
1636
1637         /* X540 needs to set the MACC.FLU bit to force link up */
1638         if (adapter->hw.mac.type == ixgbe_mac_X540) {
1639                 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1640                 reg_data |= IXGBE_MACC_FLU;
1641                 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1642         }
1643
1644         /* right now we only support MAC loopback in the driver */
1645         reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1646         /* Setup MAC loopback */
1647         reg_data |= IXGBE_HLREG0_LPBK;
1648         IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1649
1650         reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1651         reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1652         IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1653
1654         reg_data = IXGBE_READ_REG(hw, IXGBE_AUTOC);
1655         reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1656         reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1657         IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1658         IXGBE_WRITE_FLUSH(hw);
1659         usleep_range(10000, 20000);
1660
1661         /* Disable Atlas Tx lanes; re-enabled in reset path */
1662         if (hw->mac.type == ixgbe_mac_82598EB) {
1663                 u8 atlas;
1664
1665                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1666                 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1667                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1668
1669                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1670                 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1671                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1672
1673                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1674                 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1675                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1676
1677                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1678                 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1679                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1680         }
1681
1682         return 0;
1683 }
1684
1685 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1686 {
1687         u32 reg_data;
1688
1689         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1690         reg_data &= ~IXGBE_HLREG0_LPBK;
1691         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1692 }
1693
1694 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1695                                       unsigned int frame_size)
1696 {
1697         memset(skb->data, 0xFF, frame_size);
1698         frame_size &= ~1;
1699         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1700         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1701         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1702 }
1703
1704 static int ixgbe_check_lbtest_frame(struct sk_buff *skb,
1705                                     unsigned int frame_size)
1706 {
1707         frame_size &= ~1;
1708         if (*(skb->data + 3) == 0xFF) {
1709                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1710                     (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1711                         return 0;
1712                 }
1713         }
1714         return 13;
1715 }
1716
1717 static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
1718                                   struct ixgbe_ring *tx_ring,
1719                                   unsigned int size)
1720 {
1721         union ixgbe_adv_rx_desc *rx_desc;
1722         struct ixgbe_rx_buffer *rx_buffer_info;
1723         struct ixgbe_tx_buffer *tx_buffer_info;
1724         const int bufsz = rx_ring->rx_buf_len;
1725         u32 staterr;
1726         u16 rx_ntc, tx_ntc, count = 0;
1727
1728         /* initialize next to clean and descriptor values */
1729         rx_ntc = rx_ring->next_to_clean;
1730         tx_ntc = tx_ring->next_to_clean;
1731         rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
1732         staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
1733
1734         while (staterr & IXGBE_RXD_STAT_DD) {
1735                 /* check Rx buffer */
1736                 rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
1737
1738                 /* unmap Rx buffer, will be remapped by alloc_rx_buffers */
1739                 dma_unmap_single(rx_ring->dev,
1740                                  rx_buffer_info->dma,
1741                                  bufsz,
1742                                  DMA_FROM_DEVICE);
1743                 rx_buffer_info->dma = 0;
1744
1745                 /* verify contents of skb */
1746                 if (!ixgbe_check_lbtest_frame(rx_buffer_info->skb, size))
1747                         count++;
1748
1749                 /* unmap buffer on Tx side */
1750                 tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
1751                 ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer_info);
1752
1753                 /* increment Rx/Tx next to clean counters */
1754                 rx_ntc++;
1755                 if (rx_ntc == rx_ring->count)
1756                         rx_ntc = 0;
1757                 tx_ntc++;
1758                 if (tx_ntc == tx_ring->count)
1759                         tx_ntc = 0;
1760
1761                 /* fetch next descriptor */
1762                 rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
1763                 staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
1764         }
1765
1766         /* re-map buffers to ring, store next to clean values */
1767         ixgbe_alloc_rx_buffers(rx_ring, count);
1768         rx_ring->next_to_clean = rx_ntc;
1769         tx_ring->next_to_clean = tx_ntc;
1770
1771         return count;
1772 }
1773
1774 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1775 {
1776         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1777         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1778         int i, j, lc, good_cnt, ret_val = 0;
1779         unsigned int size = 1024;
1780         netdev_tx_t tx_ret_val;
1781         struct sk_buff *skb;
1782
1783         /* allocate test skb */
1784         skb = alloc_skb(size, GFP_KERNEL);
1785         if (!skb)
1786                 return 11;
1787
1788         /* place data into test skb */
1789         ixgbe_create_lbtest_frame(skb, size);
1790         skb_put(skb, size);
1791
1792         /*
1793          * Calculate the loop count based on the largest descriptor ring
1794          * The idea is to wrap the largest ring a number of times using 64
1795          * send/receive pairs during each loop
1796          */
1797
1798         if (rx_ring->count <= tx_ring->count)
1799                 lc = ((tx_ring->count / 64) * 2) + 1;
1800         else
1801                 lc = ((rx_ring->count / 64) * 2) + 1;
1802
1803         for (j = 0; j <= lc; j++) {
1804                 /* reset count of good packets */
1805                 good_cnt = 0;
1806
1807                 /* place 64 packets on the transmit queue*/
1808                 for (i = 0; i < 64; i++) {
1809                         skb_get(skb);
1810                         tx_ret_val = ixgbe_xmit_frame_ring(skb,
1811                                                            adapter,
1812                                                            tx_ring);
1813                         if (tx_ret_val == NETDEV_TX_OK)
1814                                 good_cnt++;
1815                 }
1816
1817                 if (good_cnt != 64) {
1818                         ret_val = 12;
1819                         break;
1820                 }
1821
1822                 /* allow 200 milliseconds for packets to go from Tx to Rx */
1823                 msleep(200);
1824
1825                 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
1826                 if (good_cnt != 64) {
1827                         ret_val = 13;
1828                         break;
1829                 }
1830         }
1831
1832         /* free the original skb */
1833         kfree_skb(skb);
1834
1835         return ret_val;
1836 }
1837
1838 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1839 {
1840         *data = ixgbe_setup_desc_rings(adapter);
1841         if (*data)
1842                 goto out;
1843         *data = ixgbe_setup_loopback_test(adapter);
1844         if (*data)
1845                 goto err_loopback;
1846         *data = ixgbe_run_loopback_test(adapter);
1847         ixgbe_loopback_cleanup(adapter);
1848
1849 err_loopback:
1850         ixgbe_free_desc_rings(adapter);
1851 out:
1852         return *data;
1853 }
1854
1855 static void ixgbe_diag_test(struct net_device *netdev,
1856                             struct ethtool_test *eth_test, u64 *data)
1857 {
1858         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1859         bool if_running = netif_running(netdev);
1860
1861         set_bit(__IXGBE_TESTING, &adapter->state);
1862         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1863                 /* Offline tests */
1864
1865                 e_info(hw, "offline testing starting\n");
1866
1867                 /* Link test performed before hardware reset so autoneg doesn't
1868                  * interfere with test result */
1869                 if (ixgbe_link_test(adapter, &data[4]))
1870                         eth_test->flags |= ETH_TEST_FL_FAILED;
1871
1872                 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1873                         int i;
1874                         for (i = 0; i < adapter->num_vfs; i++) {
1875                                 if (adapter->vfinfo[i].clear_to_send) {
1876                                         netdev_warn(netdev, "%s",
1877                                                     "offline diagnostic is not "
1878                                                     "supported when VFs are "
1879                                                     "present\n");
1880                                         data[0] = 1;
1881                                         data[1] = 1;
1882                                         data[2] = 1;
1883                                         data[3] = 1;
1884                                         eth_test->flags |= ETH_TEST_FL_FAILED;
1885                                         clear_bit(__IXGBE_TESTING,
1886                                                   &adapter->state);
1887                                         goto skip_ol_tests;
1888                                 }
1889                         }
1890                 }
1891
1892                 if (if_running)
1893                         /* indicate we're in test mode */
1894                         dev_close(netdev);
1895                 else
1896                         ixgbe_reset(adapter);
1897
1898                 e_info(hw, "register testing starting\n");
1899                 if (ixgbe_reg_test(adapter, &data[0]))
1900                         eth_test->flags |= ETH_TEST_FL_FAILED;
1901
1902                 ixgbe_reset(adapter);
1903                 e_info(hw, "eeprom testing starting\n");
1904                 if (ixgbe_eeprom_test(adapter, &data[1]))
1905                         eth_test->flags |= ETH_TEST_FL_FAILED;
1906
1907                 ixgbe_reset(adapter);
1908                 e_info(hw, "interrupt testing starting\n");
1909                 if (ixgbe_intr_test(adapter, &data[2]))
1910                         eth_test->flags |= ETH_TEST_FL_FAILED;
1911
1912                 /* If SRIOV or VMDq is enabled then skip MAC
1913                  * loopback diagnostic. */
1914                 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
1915                                       IXGBE_FLAG_VMDQ_ENABLED)) {
1916                         e_info(hw, "Skip MAC loopback diagnostic in VT "
1917                                "mode\n");
1918                         data[3] = 0;
1919                         goto skip_loopback;
1920                 }
1921
1922                 ixgbe_reset(adapter);
1923                 e_info(hw, "loopback testing starting\n");
1924                 if (ixgbe_loopback_test(adapter, &data[3]))
1925                         eth_test->flags |= ETH_TEST_FL_FAILED;
1926
1927 skip_loopback:
1928                 ixgbe_reset(adapter);
1929
1930                 clear_bit(__IXGBE_TESTING, &adapter->state);
1931                 if (if_running)
1932                         dev_open(netdev);
1933         } else {
1934                 e_info(hw, "online testing starting\n");
1935                 /* Online tests */
1936                 if (ixgbe_link_test(adapter, &data[4]))
1937                         eth_test->flags |= ETH_TEST_FL_FAILED;
1938
1939                 /* Online tests aren't run; pass by default */
1940                 data[0] = 0;
1941                 data[1] = 0;
1942                 data[2] = 0;
1943                 data[3] = 0;
1944
1945                 clear_bit(__IXGBE_TESTING, &adapter->state);
1946         }
1947 skip_ol_tests:
1948         msleep_interruptible(4 * 1000);
1949 }
1950
1951 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1952                                struct ethtool_wolinfo *wol)
1953 {
1954         struct ixgbe_hw *hw = &adapter->hw;
1955         int retval = 1;
1956         u16 wol_cap = adapter->eeprom_cap & IXGBE_DEVICE_CAPS_WOL_MASK;
1957
1958         /* WOL not supported except for the following */
1959         switch(hw->device_id) {
1960         case IXGBE_DEV_ID_82599_SFP:
1961                 /* Only this subdevice supports WOL */
1962                 if (hw->subsystem_device_id != IXGBE_SUBDEV_ID_82599_SFP) {
1963                         wol->supported = 0;
1964                         break;
1965                 }
1966                 retval = 0;
1967                 break;
1968         case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
1969                 /* All except this subdevice support WOL */
1970                 if (hw->subsystem_device_id ==
1971                     IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) {
1972                         wol->supported = 0;
1973                         break;
1974                 }
1975                 retval = 0;
1976                 break;
1977         case IXGBE_DEV_ID_82599_KX4:
1978                 retval = 0;
1979                 break;
1980         case IXGBE_DEV_ID_X540T:
1981                 /* check eeprom to see if enabled wol */
1982                 if ((wol_cap == IXGBE_DEVICE_CAPS_WOL_PORT0_1) ||
1983                     ((wol_cap == IXGBE_DEVICE_CAPS_WOL_PORT0) &&
1984                      (hw->bus.func == 0))) {
1985                         retval = 0;
1986                         break;
1987                 }
1988
1989                 /* All others not supported */
1990                 wol->supported = 0;
1991                 break;
1992         default:
1993                 wol->supported = 0;
1994         }
1995
1996         return retval;
1997 }
1998
1999 static void ixgbe_get_wol(struct net_device *netdev,
2000                           struct ethtool_wolinfo *wol)
2001 {
2002         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2003
2004         wol->supported = WAKE_UCAST | WAKE_MCAST |
2005                          WAKE_BCAST | WAKE_MAGIC;
2006         wol->wolopts = 0;
2007
2008         if (ixgbe_wol_exclusion(adapter, wol) ||
2009             !device_can_wakeup(&adapter->pdev->dev))
2010                 return;
2011
2012         if (adapter->wol & IXGBE_WUFC_EX)
2013                 wol->wolopts |= WAKE_UCAST;
2014         if (adapter->wol & IXGBE_WUFC_MC)
2015                 wol->wolopts |= WAKE_MCAST;
2016         if (adapter->wol & IXGBE_WUFC_BC)
2017                 wol->wolopts |= WAKE_BCAST;
2018         if (adapter->wol & IXGBE_WUFC_MAG)
2019                 wol->wolopts |= WAKE_MAGIC;
2020 }
2021
2022 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2023 {
2024         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2025
2026         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
2027                 return -EOPNOTSUPP;
2028
2029         if (ixgbe_wol_exclusion(adapter, wol))
2030                 return wol->wolopts ? -EOPNOTSUPP : 0;
2031
2032         adapter->wol = 0;
2033
2034         if (wol->wolopts & WAKE_UCAST)
2035                 adapter->wol |= IXGBE_WUFC_EX;
2036         if (wol->wolopts & WAKE_MCAST)
2037                 adapter->wol |= IXGBE_WUFC_MC;
2038         if (wol->wolopts & WAKE_BCAST)
2039                 adapter->wol |= IXGBE_WUFC_BC;
2040         if (wol->wolopts & WAKE_MAGIC)
2041                 adapter->wol |= IXGBE_WUFC_MAG;
2042
2043         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2044
2045         return 0;
2046 }
2047
2048 static int ixgbe_nway_reset(struct net_device *netdev)
2049 {
2050         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2051
2052         if (netif_running(netdev))
2053                 ixgbe_reinit_locked(adapter);
2054
2055         return 0;
2056 }
2057
2058 static int ixgbe_set_phys_id(struct net_device *netdev,
2059                              enum ethtool_phys_id_state state)
2060 {
2061         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2062         struct ixgbe_hw *hw = &adapter->hw;
2063
2064         switch (state) {
2065         case ETHTOOL_ID_ACTIVE:
2066                 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2067                 return 2;
2068
2069         case ETHTOOL_ID_ON:
2070                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
2071                 break;
2072
2073         case ETHTOOL_ID_OFF:
2074                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
2075                 break;
2076
2077         case ETHTOOL_ID_INACTIVE:
2078                 /* Restore LED settings */
2079                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2080                 break;
2081         }
2082
2083         return 0;
2084 }
2085
2086 static int ixgbe_get_coalesce(struct net_device *netdev,
2087                               struct ethtool_coalesce *ec)
2088 {
2089         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2090
2091         ec->tx_max_coalesced_frames_irq = adapter->tx_work_limit;
2092
2093         /* only valid if in constant ITR mode */
2094         if (adapter->rx_itr_setting <= 1)
2095                 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2096         else
2097                 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2098
2099         /* if in mixed tx/rx queues per vector mode, report only rx settings */
2100         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2101                 return 0;
2102
2103         /* only valid if in constant ITR mode */
2104         if (adapter->tx_itr_setting <= 1)
2105                 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2106         else
2107                 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2108
2109         return 0;
2110 }
2111
2112 /*
2113  * this function must be called before setting the new value of
2114  * rx_itr_setting
2115  */
2116 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter,
2117                              struct ethtool_coalesce *ec)
2118 {
2119         struct net_device *netdev = adapter->netdev;
2120
2121         if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE))
2122                 return false;
2123
2124         /* if interrupt rate is too high then disable RSC */
2125         if (ec->rx_coalesce_usecs != 1 &&
2126             ec->rx_coalesce_usecs <= (IXGBE_MIN_RSC_ITR >> 2)) {
2127                 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2128                         e_info(probe, "rx-usecs set too low, disabling RSC\n");
2129                         adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2130                         return true;
2131                 }
2132         } else {
2133                 /* check the feature flag value and enable RSC if necessary */
2134                 if ((netdev->features & NETIF_F_LRO) &&
2135                     !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2136                         e_info(probe, "rx-usecs set to %d, re-enabling RSC\n",
2137                                ec->rx_coalesce_usecs);
2138                         adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2139                         return true;
2140                 }
2141         }
2142         return false;
2143 }
2144
2145 static int ixgbe_set_coalesce(struct net_device *netdev,
2146                               struct ethtool_coalesce *ec)
2147 {
2148         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2149         struct ixgbe_q_vector *q_vector;
2150         int i;
2151         int num_vectors;
2152         u16 tx_itr_param, rx_itr_param;
2153         bool need_reset = false;
2154
2155         /* don't accept tx specific changes if we've got mixed RxTx vectors */
2156         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count
2157             && ec->tx_coalesce_usecs)
2158                 return -EINVAL;
2159
2160         if (ec->tx_max_coalesced_frames_irq)
2161                 adapter->tx_work_limit = ec->tx_max_coalesced_frames_irq;
2162
2163         if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2164             (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2165                 return -EINVAL;
2166
2167         /* check the old value and enable RSC if necessary */
2168         need_reset = ixgbe_update_rsc(adapter, ec);
2169
2170         if (ec->rx_coalesce_usecs > 1)
2171                 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2172         else
2173                 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2174
2175         if (adapter->rx_itr_setting == 1)
2176                 rx_itr_param = IXGBE_20K_ITR;
2177         else
2178                 rx_itr_param = adapter->rx_itr_setting;
2179
2180         if (ec->tx_coalesce_usecs > 1)
2181                 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2182         else
2183                 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2184
2185         if (adapter->tx_itr_setting == 1)
2186                 tx_itr_param = IXGBE_10K_ITR;
2187         else
2188                 tx_itr_param = adapter->tx_itr_setting;
2189
2190         if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED)
2191                 num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
2192         else
2193                 num_vectors = 1;
2194
2195         for (i = 0; i < num_vectors; i++) {
2196                 q_vector = adapter->q_vector[i];
2197                 q_vector->tx.work_limit = adapter->tx_work_limit;
2198                 if (q_vector->tx.count && !q_vector->rx.count)
2199                         /* tx only */
2200                         q_vector->itr = tx_itr_param;
2201                 else
2202                         /* rx only or mixed */
2203                         q_vector->itr = rx_itr_param;
2204                 ixgbe_write_eitr(q_vector);
2205         }
2206
2207         /*
2208          * do reset here at the end to make sure EITR==0 case is handled
2209          * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2210          * also locks in RSC enable/disable which requires reset
2211          */
2212         if (need_reset)
2213                 ixgbe_do_reset(netdev);
2214
2215         return 0;
2216 }
2217
2218 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2219                                         struct ethtool_rxnfc *cmd)
2220 {
2221         union ixgbe_atr_input *mask = &adapter->fdir_mask;
2222         struct ethtool_rx_flow_spec *fsp =
2223                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2224         struct hlist_node *node, *node2;
2225         struct ixgbe_fdir_filter *rule = NULL;
2226
2227         /* report total rule count */
2228         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2229
2230         hlist_for_each_entry_safe(rule, node, node2,
2231                                   &adapter->fdir_filter_list, fdir_node) {
2232                 if (fsp->location <= rule->sw_idx)
2233                         break;
2234         }
2235
2236         if (!rule || fsp->location != rule->sw_idx)
2237                 return -EINVAL;
2238
2239         /* fill out the flow spec entry */
2240
2241         /* set flow type field */
2242         switch (rule->filter.formatted.flow_type) {
2243         case IXGBE_ATR_FLOW_TYPE_TCPV4:
2244                 fsp->flow_type = TCP_V4_FLOW;
2245                 break;
2246         case IXGBE_ATR_FLOW_TYPE_UDPV4:
2247                 fsp->flow_type = UDP_V4_FLOW;
2248                 break;
2249         case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2250                 fsp->flow_type = SCTP_V4_FLOW;
2251                 break;
2252         case IXGBE_ATR_FLOW_TYPE_IPV4:
2253                 fsp->flow_type = IP_USER_FLOW;
2254                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2255                 fsp->h_u.usr_ip4_spec.proto = 0;
2256                 fsp->m_u.usr_ip4_spec.proto = 0;
2257                 break;
2258         default:
2259                 return -EINVAL;
2260         }
2261
2262         fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2263         fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2264         fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2265         fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2266         fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2267         fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2268         fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2269         fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2270         fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2271         fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2272         fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2273         fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2274         fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2275         fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2276         fsp->flow_type |= FLOW_EXT;
2277
2278         /* record action */
2279         if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2280                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2281         else
2282                 fsp->ring_cookie = rule->action;
2283
2284         return 0;
2285 }
2286
2287 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2288                                       struct ethtool_rxnfc *cmd,
2289                                       u32 *rule_locs)
2290 {
2291         struct hlist_node *node, *node2;
2292         struct ixgbe_fdir_filter *rule;
2293         int cnt = 0;
2294
2295         /* report total rule count */
2296         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2297
2298         hlist_for_each_entry_safe(rule, node, node2,
2299                                   &adapter->fdir_filter_list, fdir_node) {
2300                 if (cnt == cmd->rule_cnt)
2301                         return -EMSGSIZE;
2302                 rule_locs[cnt] = rule->sw_idx;
2303                 cnt++;
2304         }
2305
2306         cmd->rule_cnt = cnt;
2307
2308         return 0;
2309 }
2310
2311 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2312                            u32 *rule_locs)
2313 {
2314         struct ixgbe_adapter *adapter = netdev_priv(dev);
2315         int ret = -EOPNOTSUPP;
2316
2317         switch (cmd->cmd) {
2318         case ETHTOOL_GRXRINGS:
2319                 cmd->data = adapter->num_rx_queues;
2320                 ret = 0;
2321                 break;
2322         case ETHTOOL_GRXCLSRLCNT:
2323                 cmd->rule_cnt = adapter->fdir_filter_count;
2324                 ret = 0;
2325                 break;
2326         case ETHTOOL_GRXCLSRULE:
2327                 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2328                 break;
2329         case ETHTOOL_GRXCLSRLALL:
2330                 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
2331                 break;
2332         default:
2333                 break;
2334         }
2335
2336         return ret;
2337 }
2338
2339 static int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2340                                            struct ixgbe_fdir_filter *input,
2341                                            u16 sw_idx)
2342 {
2343         struct ixgbe_hw *hw = &adapter->hw;
2344         struct hlist_node *node, *node2, *parent;
2345         struct ixgbe_fdir_filter *rule;
2346         int err = -EINVAL;
2347
2348         parent = NULL;
2349         rule = NULL;
2350
2351         hlist_for_each_entry_safe(rule, node, node2,
2352                                   &adapter->fdir_filter_list, fdir_node) {
2353                 /* hash found, or no matching entry */
2354                 if (rule->sw_idx >= sw_idx)
2355                         break;
2356                 parent = node;
2357         }
2358
2359         /* if there is an old rule occupying our place remove it */
2360         if (rule && (rule->sw_idx == sw_idx)) {
2361                 if (!input || (rule->filter.formatted.bkt_hash !=
2362                                input->filter.formatted.bkt_hash)) {
2363                         err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2364                                                                 &rule->filter,
2365                                                                 sw_idx);
2366                 }
2367
2368                 hlist_del(&rule->fdir_node);
2369                 kfree(rule);
2370                 adapter->fdir_filter_count--;
2371         }
2372
2373         /*
2374          * If no input this was a delete, err should be 0 if a rule was
2375          * successfully found and removed from the list else -EINVAL
2376          */
2377         if (!input)
2378                 return err;
2379
2380         /* initialize node and set software index */
2381         INIT_HLIST_NODE(&input->fdir_node);
2382
2383         /* add filter to the list */
2384         if (parent)
2385                 hlist_add_after(parent, &input->fdir_node);
2386         else
2387                 hlist_add_head(&input->fdir_node,
2388                                &adapter->fdir_filter_list);
2389
2390         /* update counts */
2391         adapter->fdir_filter_count++;
2392
2393         return 0;
2394 }
2395
2396 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2397                                        u8 *flow_type)
2398 {
2399         switch (fsp->flow_type & ~FLOW_EXT) {
2400         case TCP_V4_FLOW:
2401                 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2402                 break;
2403         case UDP_V4_FLOW:
2404                 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2405                 break;
2406         case SCTP_V4_FLOW:
2407                 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2408                 break;
2409         case IP_USER_FLOW:
2410                 switch (fsp->h_u.usr_ip4_spec.proto) {
2411                 case IPPROTO_TCP:
2412                         *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2413                         break;
2414                 case IPPROTO_UDP:
2415                         *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2416                         break;
2417                 case IPPROTO_SCTP:
2418                         *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2419                         break;
2420                 case 0:
2421                         if (!fsp->m_u.usr_ip4_spec.proto) {
2422                                 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2423                                 break;
2424                         }
2425                 default:
2426                         return 0;
2427                 }
2428                 break;
2429         default:
2430                 return 0;
2431         }
2432
2433         return 1;
2434 }
2435
2436 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2437                                         struct ethtool_rxnfc *cmd)
2438 {
2439         struct ethtool_rx_flow_spec *fsp =
2440                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2441         struct ixgbe_hw *hw = &adapter->hw;
2442         struct ixgbe_fdir_filter *input;
2443         union ixgbe_atr_input mask;
2444         int err;
2445
2446         if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2447                 return -EOPNOTSUPP;
2448
2449         /*
2450          * Don't allow programming if the action is a queue greater than
2451          * the number of online Rx queues.
2452          */
2453         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2454             (fsp->ring_cookie >= adapter->num_rx_queues))
2455                 return -EINVAL;
2456
2457         /* Don't allow indexes to exist outside of available space */
2458         if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2459                 e_err(drv, "Location out of range\n");
2460                 return -EINVAL;
2461         }
2462
2463         input = kzalloc(sizeof(*input), GFP_ATOMIC);
2464         if (!input)
2465                 return -ENOMEM;
2466
2467         memset(&mask, 0, sizeof(union ixgbe_atr_input));
2468
2469         /* set SW index */
2470         input->sw_idx = fsp->location;
2471
2472         /* record flow type */
2473         if (!ixgbe_flowspec_to_flow_type(fsp,
2474                                          &input->filter.formatted.flow_type)) {
2475                 e_err(drv, "Unrecognized flow type\n");
2476                 goto err_out;
2477         }
2478
2479         mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2480                                    IXGBE_ATR_L4TYPE_MASK;
2481
2482         if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2483                 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2484
2485         /* Copy input into formatted structures */
2486         input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2487         mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2488         input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2489         mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2490         input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2491         mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2492         input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2493         mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2494
2495         if (fsp->flow_type & FLOW_EXT) {
2496                 input->filter.formatted.vm_pool =
2497                                 (unsigned char)ntohl(fsp->h_ext.data[1]);
2498                 mask.formatted.vm_pool =
2499                                 (unsigned char)ntohl(fsp->m_ext.data[1]);
2500                 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2501                 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2502                 input->filter.formatted.flex_bytes =
2503                                                 fsp->h_ext.vlan_etype;
2504                 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2505         }
2506
2507         /* determine if we need to drop or route the packet */
2508         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2509                 input->action = IXGBE_FDIR_DROP_QUEUE;
2510         else
2511                 input->action = fsp->ring_cookie;
2512
2513         spin_lock(&adapter->fdir_perfect_lock);
2514
2515         if (hlist_empty(&adapter->fdir_filter_list)) {
2516                 /* save mask and program input mask into HW */
2517                 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2518                 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2519                 if (err) {
2520                         e_err(drv, "Error writing mask\n");
2521                         goto err_out_w_lock;
2522                 }
2523         } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2524                 e_err(drv, "Only one mask supported per port\n");
2525                 goto err_out_w_lock;
2526         }
2527
2528         /* apply mask and compute/store hash */
2529         ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2530
2531         /* program filters to filter memory */
2532         err = ixgbe_fdir_write_perfect_filter_82599(hw,
2533                                 &input->filter, input->sw_idx,
2534                                 (input->action == IXGBE_FDIR_DROP_QUEUE) ?
2535                                 IXGBE_FDIR_DROP_QUEUE :
2536                                 adapter->rx_ring[input->action]->reg_idx);
2537         if (err)
2538                 goto err_out_w_lock;
2539
2540         ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2541
2542         spin_unlock(&adapter->fdir_perfect_lock);
2543
2544         return err;
2545 err_out_w_lock:
2546         spin_unlock(&adapter->fdir_perfect_lock);
2547 err_out:
2548         kfree(input);
2549         return -EINVAL;
2550 }
2551
2552 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2553                                         struct ethtool_rxnfc *cmd)
2554 {
2555         struct ethtool_rx_flow_spec *fsp =
2556                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2557         int err;
2558
2559         spin_lock(&adapter->fdir_perfect_lock);
2560         err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
2561         spin_unlock(&adapter->fdir_perfect_lock);
2562
2563         return err;
2564 }
2565
2566 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2567 {
2568         struct ixgbe_adapter *adapter = netdev_priv(dev);
2569         int ret = -EOPNOTSUPP;
2570
2571         switch (cmd->cmd) {
2572         case ETHTOOL_SRXCLSRLINS:
2573                 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
2574                 break;
2575         case ETHTOOL_SRXCLSRLDEL:
2576                 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
2577                 break;
2578         default:
2579                 break;
2580         }
2581
2582         return ret;
2583 }
2584
2585 static const struct ethtool_ops ixgbe_ethtool_ops = {
2586         .get_settings           = ixgbe_get_settings,
2587         .set_settings           = ixgbe_set_settings,
2588         .get_drvinfo            = ixgbe_get_drvinfo,
2589         .get_regs_len           = ixgbe_get_regs_len,
2590         .get_regs               = ixgbe_get_regs,
2591         .get_wol                = ixgbe_get_wol,
2592         .set_wol                = ixgbe_set_wol,
2593         .nway_reset             = ixgbe_nway_reset,
2594         .get_link               = ethtool_op_get_link,
2595         .get_eeprom_len         = ixgbe_get_eeprom_len,
2596         .get_eeprom             = ixgbe_get_eeprom,
2597         .set_eeprom             = ixgbe_set_eeprom,
2598         .get_ringparam          = ixgbe_get_ringparam,
2599         .set_ringparam          = ixgbe_set_ringparam,
2600         .get_pauseparam         = ixgbe_get_pauseparam,
2601         .set_pauseparam         = ixgbe_set_pauseparam,
2602         .get_msglevel           = ixgbe_get_msglevel,
2603         .set_msglevel           = ixgbe_set_msglevel,
2604         .self_test              = ixgbe_diag_test,
2605         .get_strings            = ixgbe_get_strings,
2606         .set_phys_id            = ixgbe_set_phys_id,
2607         .get_sset_count         = ixgbe_get_sset_count,
2608         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
2609         .get_coalesce           = ixgbe_get_coalesce,
2610         .set_coalesce           = ixgbe_set_coalesce,
2611         .get_rxnfc              = ixgbe_get_rxnfc,
2612         .set_rxnfc              = ixgbe_set_rxnfc,
2613 };
2614
2615 void ixgbe_set_ethtool_ops(struct net_device *netdev)
2616 {
2617         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
2618 }