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

   1 /*******************************************************************************
   2
   3   Intel 10 Gigabit PCI Express Linux driver
   4   Copyright(c) 1999 - 2016 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   Linux NICS <linux.nics@intel.com>
  24   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 /* ethtool support for ixgbe */
  30
  31 #include <linux/interrupt.h>
  32 #include <linux/types.h>
  33 #include <linux/module.h>
  34 #include <linux/slab.h>
  35 #include <linux/pci.h>
  36 #include <linux/netdevice.h>
  37 #include <linux/ethtool.h>
  38 #include <linux/vmalloc.h>
  39 #include <linux/highmem.h>
  40 #include <linux/uaccess.h>
  41
  42 #include "ixgbe.h"
  43 #include "ixgbe_phy.h"
  44
  45
  46 #define IXGBE_ALL_RAR_ENTRIES 16
  47
  48 enum {NETDEV_STATS, IXGBE_STATS};
  49
  50 struct ixgbe_stats {
  51         char stat_string[ETH_GSTRING_LEN];
  52         int type;
  53         int sizeof_stat;
  54         int stat_offset;
  55 };
  56
  57 #define IXGBE_STAT(m)           IXGBE_STATS, \
  58                                 sizeof(((struct ixgbe_adapter *)0)->m), \
  59                                 offsetof(struct ixgbe_adapter, m)
  60 #define IXGBE_NETDEV_STAT(m)    NETDEV_STATS, \
  61                                 sizeof(((struct rtnl_link_stats64 *)0)->m), \
  62                                 offsetof(struct rtnl_link_stats64, m)
  63
  64 static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
  65         {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
  66         {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
  67         {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
  68         {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
  69         {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
  70         {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
  71         {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
  72         {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
  73         {"lsc_int", IXGBE_STAT(lsc_int)},
  74         {"tx_busy", IXGBE_STAT(tx_busy)},
  75         {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
  76         {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
  77         {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
  78         {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
  79         {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
  80         {"multicast", IXGBE_NETDEV_STAT(multicast)},
  81         {"broadcast", IXGBE_STAT(stats.bprc)},
  82         {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
  83         {"collisions", IXGBE_NETDEV_STAT(collisions)},
  84         {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
  85         {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
  86         {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
  87         {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
  88         {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
  89         {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
  90         {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
  91         {"fdir_overflow", IXGBE_STAT(fdir_overflow)},
  92         {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
  93         {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
  94         {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
  95         {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
  96         {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
  97         {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
  98         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
  99         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
 100         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
 101         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
 102         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
 103         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
 104         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
 105         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
 106         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
 107         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
 108         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
 109         {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
 110         {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
 111         {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
 112         {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
 113         {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
 114 #ifdef IXGBE_FCOE
 115         {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
 116         {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
 117         {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
 118         {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
 119         {"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
 120         {"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
 121         {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
 122         {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
 123 #endif /* IXGBE_FCOE */
 124 };
 125
 126 /* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
 127  * we set the num_rx_queues to evaluate to num_tx_queues. This is
 128  * used because we do not have a good way to get the max number of
 129  * rx queues with CONFIG_RPS disabled.
 130  */
 131 #define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
 132
 133 #define IXGBE_QUEUE_STATS_LEN ( \
 134         (netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
 135         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 136 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 137 #define IXGBE_PB_STATS_LEN ( \
 138                         (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 139                          sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 140                          sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 141                          sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 142                         / sizeof(u64))
 143 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 144                          IXGBE_PB_STATS_LEN + \
 145                          IXGBE_QUEUE_STATS_LEN)
 146
 147 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
 148         "Register test  (offline)", "Eeprom test    (offline)",
 149         "Interrupt test (offline)", "Loopback test  (offline)",
 150         "Link test   (on/offline)"
 151 };
 152 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
 153
 154 /* currently supported speeds for 10G */
 155 #define ADVRTSD_MSK_10G (SUPPORTED_10000baseT_Full | \
 156                          SUPPORTED_10000baseKX4_Full | \
 157                          SUPPORTED_10000baseKR_Full)
 158
 159 #define ixgbe_isbackplane(type) ((type) == ixgbe_media_type_backplane)
 160
 161 static u32 ixgbe_get_supported_10gtypes(struct ixgbe_hw *hw)
 162 {
 163         if (!ixgbe_isbackplane(hw->phy.media_type))
 164                 return SUPPORTED_10000baseT_Full;
 165
 166         switch (hw->device_id) {
 167         case IXGBE_DEV_ID_82598:
 168         case IXGBE_DEV_ID_82599_KX4:
 169         case IXGBE_DEV_ID_82599_KX4_MEZZ:
 170         case IXGBE_DEV_ID_X550EM_X_KX4:
 171                 return SUPPORTED_10000baseKX4_Full;
 172         case IXGBE_DEV_ID_82598_BX:
 173         case IXGBE_DEV_ID_82599_KR:
 174         case IXGBE_DEV_ID_X550EM_X_KR:
 175                 return SUPPORTED_10000baseKR_Full;
 176         default:
 177                 return SUPPORTED_10000baseKX4_Full |
 178                        SUPPORTED_10000baseKR_Full;
 179         }
 180 }
 181
 182 static int ixgbe_get_settings(struct net_device *netdev,
 183                               struct ethtool_cmd *ecmd)
 184 {
 185         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 186         struct ixgbe_hw *hw = &adapter->hw;
 187         ixgbe_link_speed supported_link;
 188         bool autoneg = false;
 189
 190         hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg);
 191
 192         /* set the supported link speeds */
 193         if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
 194                 ecmd->supported |= ixgbe_get_supported_10gtypes(hw);
 195         if (supported_link & IXGBE_LINK_SPEED_1GB_FULL)
 196                 ecmd->supported |= (ixgbe_isbackplane(hw->phy.media_type)) ?
 197                                    SUPPORTED_1000baseKX_Full :
 198                                    SUPPORTED_1000baseT_Full;
 199         if (supported_link & IXGBE_LINK_SPEED_100_FULL)
 200                 ecmd->supported |= ixgbe_isbackplane(hw->phy.media_type) ?
 201                                    SUPPORTED_1000baseKX_Full :
 202                                    SUPPORTED_100baseT_Full;
 203
 204         /* default advertised speed if phy.autoneg_advertised isn't set */
 205         ecmd->advertising = ecmd->supported;
 206         /* set the advertised speeds */
 207         if (hw->phy.autoneg_advertised) {
 208                 ecmd->advertising = 0;
 209                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
 210                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 211                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
 212                         ecmd->advertising |= ecmd->supported & ADVRTSD_MSK_10G;
 213                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) {
 214                         if (ecmd->supported & SUPPORTED_1000baseKX_Full)
 215                                 ecmd->advertising |= ADVERTISED_1000baseKX_Full;
 216                         else
 217                                 ecmd->advertising |= ADVERTISED_1000baseT_Full;
 218                 }
 219         } else {
 220                 if (hw->phy.multispeed_fiber && !autoneg) {
 221                         if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
 222                                 ecmd->advertising = ADVERTISED_10000baseT_Full;
 223                 }
 224         }
 225
 226         if (autoneg) {
 227                 ecmd->supported |= SUPPORTED_Autoneg;
 228                 ecmd->advertising |= ADVERTISED_Autoneg;
 229                 ecmd->autoneg = AUTONEG_ENABLE;
 230         } else
 231                 ecmd->autoneg = AUTONEG_DISABLE;
 232
 233         ecmd->transceiver = XCVR_EXTERNAL;
 234
 235         /* Determine the remaining settings based on the PHY type. */
 236         switch (adapter->hw.phy.type) {
 237         case ixgbe_phy_tn:
 238         case ixgbe_phy_aq:
 239         case ixgbe_phy_x550em_ext_t:
 240         case ixgbe_phy_cu_unknown:
 241                 ecmd->supported |= SUPPORTED_TP;
 242                 ecmd->advertising |= ADVERTISED_TP;
 243                 ecmd->port = PORT_TP;
 244                 break;
 245         case ixgbe_phy_qt:
 246                 ecmd->supported |= SUPPORTED_FIBRE;
 247                 ecmd->advertising |= ADVERTISED_FIBRE;
 248                 ecmd->port = PORT_FIBRE;
 249                 break;
 250         case ixgbe_phy_nl:
 251         case ixgbe_phy_sfp_passive_tyco:
 252         case ixgbe_phy_sfp_passive_unknown:
 253         case ixgbe_phy_sfp_ftl:
 254         case ixgbe_phy_sfp_avago:
 255         case ixgbe_phy_sfp_intel:
 256         case ixgbe_phy_sfp_unknown:
 257         case ixgbe_phy_qsfp_passive_unknown:
 258         case ixgbe_phy_qsfp_active_unknown:
 259         case ixgbe_phy_qsfp_intel:
 260         case ixgbe_phy_qsfp_unknown:
 261                 /* SFP+ devices, further checking needed */
 262                 switch (adapter->hw.phy.sfp_type) {
 263                 case ixgbe_sfp_type_da_cu:
 264                 case ixgbe_sfp_type_da_cu_core0:
 265                 case ixgbe_sfp_type_da_cu_core1:
 266                         ecmd->supported |= SUPPORTED_FIBRE;
 267                         ecmd->advertising |= ADVERTISED_FIBRE;
 268                         ecmd->port = PORT_DA;
 269                         break;
 270                 case ixgbe_sfp_type_sr:
 271                 case ixgbe_sfp_type_lr:
 272                 case ixgbe_sfp_type_srlr_core0:
 273                 case ixgbe_sfp_type_srlr_core1:
 274                 case ixgbe_sfp_type_1g_sx_core0:
 275                 case ixgbe_sfp_type_1g_sx_core1:
 276                 case ixgbe_sfp_type_1g_lx_core0:
 277                 case ixgbe_sfp_type_1g_lx_core1:
 278                         ecmd->supported |= SUPPORTED_FIBRE;
 279                         ecmd->advertising |= ADVERTISED_FIBRE;
 280                         ecmd->port = PORT_FIBRE;
 281                         break;
 282                 case ixgbe_sfp_type_not_present:
 283                         ecmd->supported |= SUPPORTED_FIBRE;
 284                         ecmd->advertising |= ADVERTISED_FIBRE;
 285                         ecmd->port = PORT_NONE;
 286                         break;
 287                 case ixgbe_sfp_type_1g_cu_core0:
 288                 case ixgbe_sfp_type_1g_cu_core1:
 289                         ecmd->supported |= SUPPORTED_TP;
 290                         ecmd->advertising |= ADVERTISED_TP;
 291                         ecmd->port = PORT_TP;
 292                         break;
 293                 case ixgbe_sfp_type_unknown:
 294                 default:
 295                         ecmd->supported |= SUPPORTED_FIBRE;
 296                         ecmd->advertising |= ADVERTISED_FIBRE;
 297                         ecmd->port = PORT_OTHER;
 298                         break;
 299                 }
 300                 break;
 301         case ixgbe_phy_xaui:
 302                 ecmd->supported |= SUPPORTED_FIBRE;
 303                 ecmd->advertising |= ADVERTISED_FIBRE;
 304                 ecmd->port = PORT_NONE;
 305                 break;
 306         case ixgbe_phy_unknown:
 307         case ixgbe_phy_generic:
 308         case ixgbe_phy_sfp_unsupported:
 309         default:
 310                 ecmd->supported |= SUPPORTED_FIBRE;
 311                 ecmd->advertising |= ADVERTISED_FIBRE;
 312                 ecmd->port = PORT_OTHER;
 313                 break;
 314         }
 315
 316         /* Indicate pause support */
 317         ecmd->supported |= SUPPORTED_Pause;
 318
 319         switch (hw->fc.requested_mode) {
 320         case ixgbe_fc_full:
 321                 ecmd->advertising |= ADVERTISED_Pause;
 322                 break;
 323         case ixgbe_fc_rx_pause:
 324                 ecmd->advertising |= ADVERTISED_Pause |
 325                                      ADVERTISED_Asym_Pause;
 326                 break;
 327         case ixgbe_fc_tx_pause:
 328                 ecmd->advertising |= ADVERTISED_Asym_Pause;
 329                 break;
 330         default:
 331                 ecmd->advertising &= ~(ADVERTISED_Pause |
 332                                        ADVERTISED_Asym_Pause);
 333         }
 334
 335         if (netif_carrier_ok(netdev)) {
 336                 switch (adapter->link_speed) {
 337                 case IXGBE_LINK_SPEED_10GB_FULL:
 338                         ethtool_cmd_speed_set(ecmd, SPEED_10000);
 339                         break;
 340                 case IXGBE_LINK_SPEED_2_5GB_FULL:
 341                         ethtool_cmd_speed_set(ecmd, SPEED_2500);
 342                         break;
 343                 case IXGBE_LINK_SPEED_1GB_FULL:
 344                         ethtool_cmd_speed_set(ecmd, SPEED_1000);
 345                         break;
 346                 case IXGBE_LINK_SPEED_100_FULL:
 347                         ethtool_cmd_speed_set(ecmd, SPEED_100);
 348                         break;
 349                 default:
 350                         break;
 351                 }
 352                 ecmd->duplex = DUPLEX_FULL;
 353         } else {
 354                 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
 355                 ecmd->duplex = DUPLEX_UNKNOWN;
 356         }
 357
 358         return 0;
 359 }
 360
 361 static int ixgbe_set_settings(struct net_device *netdev,
 362                               struct ethtool_cmd *ecmd)
 363 {
 364         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 365         struct ixgbe_hw *hw = &adapter->hw;
 366         u32 advertised, old;
 367         s32 err = 0;
 368
 369         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 370             (hw->phy.multispeed_fiber)) {
 371                 /*
 372                  * this function does not support duplex forcing, but can
 373                  * limit the advertising of the adapter to the specified speed
 374                  */
 375                 if (ecmd->advertising & ~ecmd->supported)
 376                         return -EINVAL;
 377
 378                 /* only allow one speed at a time if no autoneg */
 379                 if (!ecmd->autoneg && hw->phy.multispeed_fiber) {
 380                         if (ecmd->advertising ==
 381                             (ADVERTISED_10000baseT_Full |
 382                              ADVERTISED_1000baseT_Full))
 383                                 return -EINVAL;
 384                 }
 385
 386                 old = hw->phy.autoneg_advertised;
 387                 advertised = 0;
 388                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 389                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 390
 391                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 392                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 393
 394                 if (ecmd->advertising & ADVERTISED_100baseT_Full)
 395                         advertised |= IXGBE_LINK_SPEED_100_FULL;
 396
 397                 if (old == advertised)
 398                         return err;
 399                 /* this sets the link speed and restarts auto-neg */
 400                 while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
 401                         usleep_range(1000, 2000);
 402
 403                 hw->mac.autotry_restart = true;
 404                 err = hw->mac.ops.setup_link(hw, advertised, true);
 405                 if (err) {
 406                         e_info(probe, "setup link failed with code %d\n", err);
 407                         hw->mac.ops.setup_link(hw, old, true);
 408                 }
 409                 clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
 410         } else {
 411                 /* in this case we currently only support 10Gb/FULL */
 412                 u32 speed = ethtool_cmd_speed(ecmd);
 413                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
 414                     (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
 415                     (speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
 416                         return -EINVAL;
 417         }
 418
 419         return err;
 420 }
 421
 422 static void ixgbe_get_pauseparam(struct net_device *netdev,
 423                                  struct ethtool_pauseparam *pause)
 424 {
 425         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 426         struct ixgbe_hw *hw = &adapter->hw;
 427
 428         if (ixgbe_device_supports_autoneg_fc(hw) &&
 429             !hw->fc.disable_fc_autoneg)
 430                 pause->autoneg = 1;
 431         else
 432                 pause->autoneg = 0;
 433
 434         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 435                 pause->rx_pause = 1;
 436         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 437                 pause->tx_pause = 1;
 438         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 439                 pause->rx_pause = 1;
 440                 pause->tx_pause = 1;
 441         }
 442 }
 443
 444 static int ixgbe_set_pauseparam(struct net_device *netdev,
 445                                 struct ethtool_pauseparam *pause)
 446 {
 447         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 448         struct ixgbe_hw *hw = &adapter->hw;
 449         struct ixgbe_fc_info fc = hw->fc;
 450
 451         /* 82598 does no support link flow control with DCB enabled */
 452         if ((hw->mac.type == ixgbe_mac_82598EB) &&
 453             (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
 454                 return -EINVAL;
 455
 456         /* some devices do not support autoneg of link flow control */
 457         if ((pause->autoneg == AUTONEG_ENABLE) &&
 458             !ixgbe_device_supports_autoneg_fc(hw))
 459                 return -EINVAL;
 460
 461         fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
 462
 463         if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
 464                 fc.requested_mode = ixgbe_fc_full;
 465         else if (pause->rx_pause && !pause->tx_pause)
 466                 fc.requested_mode = ixgbe_fc_rx_pause;
 467         else if (!pause->rx_pause && pause->tx_pause)
 468                 fc.requested_mode = ixgbe_fc_tx_pause;
 469         else
 470                 fc.requested_mode = ixgbe_fc_none;
 471
 472         /* if the thing changed then we'll update and use new autoneg */
 473         if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
 474                 hw->fc = fc;
 475                 if (netif_running(netdev))
 476                         ixgbe_reinit_locked(adapter);
 477                 else
 478                         ixgbe_reset(adapter);
 479         }
 480
 481         return 0;
 482 }
 483
 484 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 485 {
 486         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 487         return adapter->msg_enable;
 488 }
 489
 490 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 491 {
 492         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 493         adapter->msg_enable = data;
 494 }
 495
 496 static int ixgbe_get_regs_len(struct net_device *netdev)
 497 {
 498 #define IXGBE_REGS_LEN  1139
 499         return IXGBE_REGS_LEN * sizeof(u32);
 500 }
 501
 502 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 503
 504 static void ixgbe_get_regs(struct net_device *netdev,
 505                            struct ethtool_regs *regs, void *p)
 506 {
 507         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 508         struct ixgbe_hw *hw = &adapter->hw;
 509         u32 *regs_buff = p;
 510         u8 i;
 511
 512         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 513
 514         regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
 515                         hw->device_id;
 516
 517         /* General Registers */
 518         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 519         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 520         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 521         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 522         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 523         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 524         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 525         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 526
 527         /* NVM Register */
 528         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
 529         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 530         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA(hw));
 531         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 532         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 533         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 534         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 535         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 536         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 537         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC(hw));
 538
 539         /* Interrupt */
 540         /* don't read EICR because it can clear interrupt causes, instead
 541          * read EICS which is a shadow but doesn't clear EICR */
 542         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 543         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 544         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 545         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 546         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 547         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 548         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 549         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 550         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 551         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 552         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 553         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 554
 555         /* Flow Control */
 556         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 557         for (i = 0; i < 4; i++)
 558                 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_FCTTV(i));
 559         for (i = 0; i < 8; i++) {
 560                 switch (hw->mac.type) {
 561                 case ixgbe_mac_82598EB:
 562                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 563                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 564                         break;
 565                 case ixgbe_mac_82599EB:
 566                 case ixgbe_mac_X540:
 567                 case ixgbe_mac_X550:
 568                 case ixgbe_mac_X550EM_x:
 569                 case ixgbe_mac_x550em_a:
 570                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
 571                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
 572                         break;
 573                 default:
 574                         break;
 575                 }
 576         }
 577         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 578         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 579
 580         /* Receive DMA */
 581         for (i = 0; i < 64; i++)
 582                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 583         for (i = 0; i < 64; i++)
 584                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 585         for (i = 0; i < 64; i++)
 586                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 587         for (i = 0; i < 64; i++)
 588                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 589         for (i = 0; i < 64; i++)
 590                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 591         for (i = 0; i < 64; i++)
 592                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 593         for (i = 0; i < 16; i++)
 594                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 595         for (i = 0; i < 16; i++)
 596                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 597         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 598         for (i = 0; i < 8; i++)
 599                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 600         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 601         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 602
 603         /* Receive */
 604         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 605         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 606         for (i = 0; i < 16; i++)
 607                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 608         for (i = 0; i < 16; i++)
 609                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 610         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 611         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 612         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 613         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 614         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 615         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 616         for (i = 0; i < 8; i++)
 617                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 618         for (i = 0; i < 8; i++)
 619                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 620         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 621
 622         /* Transmit */
 623         for (i = 0; i < 32; i++)
 624                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 625         for (i = 0; i < 32; i++)
 626                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 627         for (i = 0; i < 32; i++)
 628                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 629         for (i = 0; i < 32; i++)
 630                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 631         for (i = 0; i < 32; i++)
 632                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 633         for (i = 0; i < 32; i++)
 634                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 635         for (i = 0; i < 32; i++)
 636                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 637         for (i = 0; i < 32; i++)
 638                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 639         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 640         for (i = 0; i < 16; i++)
 641                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 642         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 643         for (i = 0; i < 8; i++)
 644                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 645         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 646
 647         /* Wake Up */
 648         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 649         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 650         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 651         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 652         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 653         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 654         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 655         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 656         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 657
 658         /* DCB */
 659         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);   /* same as FCCFG  */
 660         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); /* same as RTTPCS */
 661
 662         switch (hw->mac.type) {
 663         case ixgbe_mac_82598EB:
 664                 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 665                 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 666                 for (i = 0; i < 8; i++)
 667                         regs_buff[833 + i] =
 668                                 IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 669                 for (i = 0; i < 8; i++)
 670                         regs_buff[841 + i] =
 671                                 IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 672                 for (i = 0; i < 8; i++)
 673                         regs_buff[849 + i] =
 674                                 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 675                 for (i = 0; i < 8; i++)
 676                         regs_buff[857 + i] =
 677                                 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 678                 break;
 679         case ixgbe_mac_82599EB:
 680         case ixgbe_mac_X540:
 681         case ixgbe_mac_X550:
 682         case ixgbe_mac_X550EM_x:
 683         case ixgbe_mac_x550em_a:
 684                 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
 685                 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RTRPCS);
 686                 for (i = 0; i < 8; i++)
 687                         regs_buff[833 + i] =
 688                                 IXGBE_READ_REG(hw, IXGBE_RTRPT4C(i));
 689                 for (i = 0; i < 8; i++)
 690                         regs_buff[841 + i] =
 691                                 IXGBE_READ_REG(hw, IXGBE_RTRPT4S(i));
 692                 for (i = 0; i < 8; i++)
 693                         regs_buff[849 + i] =
 694                                 IXGBE_READ_REG(hw, IXGBE_RTTDT2C(i));
 695                 for (i = 0; i < 8; i++)
 696                         regs_buff[857 + i] =
 697                                 IXGBE_READ_REG(hw, IXGBE_RTTDT2S(i));
 698                 break;
 699         default:
 700                 break;
 701         }
 702
 703         for (i = 0; i < 8; i++)
 704                 regs_buff[865 + i] =
 705                 IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); /* same as RTTPT2C */
 706         for (i = 0; i < 8; i++)
 707                 regs_buff[873 + i] =
 708                 IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); /* same as RTTPT2S */
 709
 710         /* Statistics */
 711         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 712         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 713         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 714         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 715         for (i = 0; i < 8; i++)
 716                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 717         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 718         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 719         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 720         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 721         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 722         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 723         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 724         for (i = 0; i < 8; i++)
 725                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 726         for (i = 0; i < 8; i++)
 727                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 728         for (i = 0; i < 8; i++)
 729                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 730         for (i = 0; i < 8; i++)
 731                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 732         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 733         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 734         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 735         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 736         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 737         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 738         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 739         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 740         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 741         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 742         regs_buff[942] = (u32)IXGBE_GET_STAT(adapter, gorc);
 743         regs_buff[943] = (u32)(IXGBE_GET_STAT(adapter, gorc) >> 32);
 744         regs_buff[944] = (u32)IXGBE_GET_STAT(adapter, gotc);
 745         regs_buff[945] = (u32)(IXGBE_GET_STAT(adapter, gotc) >> 32);
 746         for (i = 0; i < 8; i++)
 747                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 748         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 749         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 750         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 751         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 752         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 753         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 754         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 755         regs_buff[961] = (u32)IXGBE_GET_STAT(adapter, tor);
 756         regs_buff[962] = (u32)(IXGBE_GET_STAT(adapter, tor) >> 32);
 757         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 758         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 759         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 760         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 761         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 762         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 763         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 764         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 765         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 766         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 767         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 768         for (i = 0; i < 16; i++)
 769                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 770         for (i = 0; i < 16; i++)
 771                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 772         for (i = 0; i < 16; i++)
 773                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 774         for (i = 0; i < 16; i++)
 775                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 776
 777         /* MAC */
 778         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 779         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 780         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 781         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 782         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 783         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 784         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 785         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 786         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 787         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 788         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 789         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 790         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 791         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 792         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 793         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 794         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 795         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 796         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 797         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 798         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 799         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 800         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 801         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 802         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 803         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 804         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 805         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 806         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 807         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 808         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 809         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 810         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 811
 812         /* Diagnostic */
 813         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 814         for (i = 0; i < 8; i++)
 815                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 816         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 817         for (i = 0; i < 4; i++)
 818                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 819         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 820         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 821         for (i = 0; i < 8; i++)
 822                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 823         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 824         for (i = 0; i < 4; i++)
 825                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 826         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 827         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 828         for (i = 0; i < 4; i++)
 829                 regs_buff[1102 + i] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA(i));
 830         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 831         for (i = 0; i < 4; i++)
 832                 regs_buff[1107 + i] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA(i));
 833         for (i = 0; i < 8; i++)
 834                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 835         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 836         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 837         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 838         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 839         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 840         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 841         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 842         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 843         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 844
 845         /* 82599 X540 specific registers  */
 846         regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
 847
 848         /* 82599 X540 specific DCB registers  */
 849         regs_buff[1129] = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
 850         regs_buff[1130] = IXGBE_READ_REG(hw, IXGBE_RTTUP2TC);
 851         for (i = 0; i < 4; i++)
 852                 regs_buff[1131 + i] = IXGBE_READ_REG(hw, IXGBE_TXLLQ(i));
 853         regs_buff[1135] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRM);
 854                                         /* same as RTTQCNRM */
 855         regs_buff[1136] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRD);
 856                                         /* same as RTTQCNRR */
 857
 858         /* X540 specific DCB registers  */
 859         regs_buff[1137] = IXGBE_READ_REG(hw, IXGBE_RTTQCNCR);
 860         regs_buff[1138] = IXGBE_READ_REG(hw, IXGBE_RTTQCNTG);
 861 }
 862
 863 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 864 {
 865         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 866         return adapter->hw.eeprom.word_size * 2;
 867 }
 868
 869 static int ixgbe_get_eeprom(struct net_device *netdev,
 870                             struct ethtool_eeprom *eeprom, u8 *bytes)
 871 {
 872         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 873         struct ixgbe_hw *hw = &adapter->hw;
 874         u16 *eeprom_buff;
 875         int first_word, last_word, eeprom_len;
 876         int ret_val = 0;
 877         u16 i;
 878
 879         if (eeprom->len == 0)
 880                 return -EINVAL;
 881
 882         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 883
 884         first_word = eeprom->offset >> 1;
 885         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 886         eeprom_len = last_word - first_word + 1;
 887
 888         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 889         if (!eeprom_buff)
 890                 return -ENOMEM;
 891
 892         ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
 893                                              eeprom_buff);
 894
 895         /* Device's eeprom is always little-endian, word addressable */
 896         for (i = 0; i < eeprom_len; i++)
 897                 le16_to_cpus(&eeprom_buff[i]);
 898
 899         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 900         kfree(eeprom_buff);
 901
 902         return ret_val;
 903 }
 904
 905 static int ixgbe_set_eeprom(struct net_device *netdev,
 906                             struct ethtool_eeprom *eeprom, u8 *bytes)
 907 {
 908         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 909         struct ixgbe_hw *hw = &adapter->hw;
 910         u16 *eeprom_buff;
 911         void *ptr;
 912         int max_len, first_word, last_word, ret_val = 0;
 913         u16 i;
 914
 915         if (eeprom->len == 0)
 916                 return -EINVAL;
 917
 918         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 919                 return -EINVAL;
 920
 921         max_len = hw->eeprom.word_size * 2;
 922
 923         first_word = eeprom->offset >> 1;
 924         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 925         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 926         if (!eeprom_buff)
 927                 return -ENOMEM;
 928
 929         ptr = eeprom_buff;
 930
 931         if (eeprom->offset & 1) {
 932                 /*
 933                  * need read/modify/write of first changed EEPROM word
 934                  * only the second byte of the word is being modified
 935                  */
 936                 ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
 937                 if (ret_val)
 938                         goto err;
 939
 940                 ptr++;
 941         }
 942         if ((eeprom->offset + eeprom->len) & 1) {
 943                 /*
 944                  * need read/modify/write of last changed EEPROM word
 945                  * only the first byte of the word is being modified
 946                  */
 947                 ret_val = hw->eeprom.ops.read(hw, last_word,
 948                                           &eeprom_buff[last_word - first_word]);
 949                 if (ret_val)
 950                         goto err;
 951         }
 952
 953         /* Device's eeprom is always little-endian, word addressable */
 954         for (i = 0; i < last_word - first_word + 1; i++)
 955                 le16_to_cpus(&eeprom_buff[i]);
 956
 957         memcpy(ptr, bytes, eeprom->len);
 958
 959         for (i = 0; i < last_word - first_word + 1; i++)
 960                 cpu_to_le16s(&eeprom_buff[i]);
 961
 962         ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
 963                                               last_word - first_word + 1,
 964                                               eeprom_buff);
 965
 966         /* Update the checksum */
 967         if (ret_val == 0)
 968                 hw->eeprom.ops.update_checksum(hw);
 969
 970 err:
 971         kfree(eeprom_buff);
 972         return ret_val;
 973 }
 974
 975 static void ixgbe_get_drvinfo(struct net_device *netdev,
 976                               struct ethtool_drvinfo *drvinfo)
 977 {
 978         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 979         u32 nvm_track_id;
 980
 981         strlcpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
 982         strlcpy(drvinfo->version, ixgbe_driver_version,
 983                 sizeof(drvinfo->version));
 984
 985         nvm_track_id = (adapter->eeprom_verh << 16) |
 986                         adapter->eeprom_verl;
 987         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
 988                  nvm_track_id);
 989
 990         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 991                 sizeof(drvinfo->bus_info));
 992 }
 993
 994 static void ixgbe_get_ringparam(struct net_device *netdev,
 995                                 struct ethtool_ringparam *ring)
 996 {
 997         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 998         struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
 999         struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
1000
1001         ring->rx_max_pending = IXGBE_MAX_RXD;
1002         ring->tx_max_pending = IXGBE_MAX_TXD;
1003         ring->rx_pending = rx_ring->count;
1004         ring->tx_pending = tx_ring->count;
1005 }
1006
1007 static int ixgbe_set_ringparam(struct net_device *netdev,
1008                                struct ethtool_ringparam *ring)
1009 {
1010         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1011         struct ixgbe_ring *temp_ring;
1012         int i, err = 0;
1013         u32 new_rx_count, new_tx_count;
1014
1015         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1016                 return -EINVAL;
1017
1018         new_tx_count = clamp_t(u32, ring->tx_pending,
1019                                IXGBE_MIN_TXD, IXGBE_MAX_TXD);
1020         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
1021
1022         new_rx_count = clamp_t(u32, ring->rx_pending,
1023                                IXGBE_MIN_RXD, IXGBE_MAX_RXD);
1024         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
1025
1026         if ((new_tx_count == adapter->tx_ring_count) &&
1027             (new_rx_count == adapter->rx_ring_count)) {
1028                 /* nothing to do */
1029                 return 0;
1030         }
1031
1032         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
1033                 usleep_range(1000, 2000);
1034
1035         if (!netif_running(adapter->netdev)) {
1036                 for (i = 0; i < adapter->num_tx_queues; i++)
1037                         adapter->tx_ring[i]->count = new_tx_count;
1038                 for (i = 0; i < adapter->num_rx_queues; i++)
1039                         adapter->rx_ring[i]->count = new_rx_count;
1040                 adapter->tx_ring_count = new_tx_count;
1041                 adapter->rx_ring_count = new_rx_count;
1042                 goto clear_reset;
1043         }
1044
1045         /* allocate temporary buffer to store rings in */
1046         i = max_t(int, adapter->num_tx_queues, adapter->num_rx_queues);
1047         temp_ring = vmalloc(i * sizeof(struct ixgbe_ring));
1048
1049         if (!temp_ring) {
1050                 err = -ENOMEM;
1051                 goto clear_reset;
1052         }
1053
1054         ixgbe_down(adapter);
1055
1056         /*
1057          * Setup new Tx resources and free the old Tx resources in that order.
1058          * We can then assign the new resources to the rings via a memcpy.
1059          * The advantage to this approach is that we are guaranteed to still
1060          * have resources even in the case of an allocation failure.
1061          */
1062         if (new_tx_count != adapter->tx_ring_count) {
1063                 for (i = 0; i < adapter->num_tx_queues; i++) {
1064                         memcpy(&temp_ring[i], adapter->tx_ring[i],
1065                                sizeof(struct ixgbe_ring));
1066
1067                         temp_ring[i].count = new_tx_count;
1068                         err = ixgbe_setup_tx_resources(&temp_ring[i]);
1069                         if (err) {
1070                                 while (i) {
1071                                         i--;
1072                                         ixgbe_free_tx_resources(&temp_ring[i]);
1073                                 }
1074                                 goto err_setup;
1075                         }
1076                 }
1077
1078                 for (i = 0; i < adapter->num_tx_queues; i++) {
1079                         ixgbe_free_tx_resources(adapter->tx_ring[i]);
1080
1081                         memcpy(adapter->tx_ring[i], &temp_ring[i],
1082                                sizeof(struct ixgbe_ring));
1083                 }
1084
1085                 adapter->tx_ring_count = new_tx_count;
1086         }
1087
1088         /* Repeat the process for the Rx rings if needed */
1089         if (new_rx_count != adapter->rx_ring_count) {
1090                 for (i = 0; i < adapter->num_rx_queues; i++) {
1091                         memcpy(&temp_ring[i], adapter->rx_ring[i],
1092                                sizeof(struct ixgbe_ring));
1093
1094                         temp_ring[i].count = new_rx_count;
1095                         err = ixgbe_setup_rx_resources(&temp_ring[i]);
1096                         if (err) {
1097                                 while (i) {
1098                                         i--;
1099                                         ixgbe_free_rx_resources(&temp_ring[i]);
1100                                 }
1101                                 goto err_setup;
1102                         }
1103
1104                 }
1105
1106                 for (i = 0; i < adapter->num_rx_queues; i++) {
1107                         ixgbe_free_rx_resources(adapter->rx_ring[i]);
1108
1109                         memcpy(adapter->rx_ring[i], &temp_ring[i],
1110                                sizeof(struct ixgbe_ring));
1111                 }
1112
1113                 adapter->rx_ring_count = new_rx_count;
1114         }
1115
1116 err_setup:
1117         ixgbe_up(adapter);
1118         vfree(temp_ring);
1119 clear_reset:
1120         clear_bit(__IXGBE_RESETTING, &adapter->state);
1121         return err;
1122 }
1123
1124 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1125 {
1126         switch (sset) {
1127         case ETH_SS_TEST:
1128                 return IXGBE_TEST_LEN;
1129         case ETH_SS_STATS:
1130                 return IXGBE_STATS_LEN;
1131         default:
1132                 return -EOPNOTSUPP;
1133         }
1134 }
1135
1136 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1137                                     struct ethtool_stats *stats, u64 *data)
1138 {
1139         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1140         struct rtnl_link_stats64 temp;
1141         const struct rtnl_link_stats64 *net_stats;
1142         unsigned int start;
1143         struct ixgbe_ring *ring;
1144         int i, j;
1145         char *p = NULL;
1146
1147         ixgbe_update_stats(adapter);
1148         net_stats = dev_get_stats(netdev, &temp);
1149         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1150                 switch (ixgbe_gstrings_stats[i].type) {
1151                 case NETDEV_STATS:
1152                         p = (char *) net_stats +
1153                                         ixgbe_gstrings_stats[i].stat_offset;
1154                         break;
1155                 case IXGBE_STATS:
1156                         p = (char *) adapter +
1157                                         ixgbe_gstrings_stats[i].stat_offset;
1158                         break;
1159                 default:
1160                         data[i] = 0;
1161                         continue;
1162                 }
1163
1164                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1165                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1166         }
1167         for (j = 0; j < netdev->num_tx_queues; j++) {
1168                 ring = adapter->tx_ring[j];
1169                 if (!ring) {
1170                         data[i] = 0;
1171                         data[i+1] = 0;
1172                         i += 2;
1173 #ifdef BP_EXTENDED_STATS
1174                         data[i] = 0;
1175                         data[i+1] = 0;
1176                         data[i+2] = 0;
1177                         i += 3;
1178 #endif
1179                         continue;
1180                 }
1181
1182                 do {
1183                         start = u64_stats_fetch_begin_irq(&ring->syncp);
1184                         data[i]   = ring->stats.packets;
1185                         data[i+1] = ring->stats.bytes;
1186                 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
1187                 i += 2;
1188 #ifdef BP_EXTENDED_STATS
1189                 data[i] = ring->stats.yields;
1190                 data[i+1] = ring->stats.misses;
1191                 data[i+2] = ring->stats.cleaned;
1192                 i += 3;
1193 #endif
1194         }
1195         for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
1196                 ring = adapter->rx_ring[j];
1197                 if (!ring) {
1198                         data[i] = 0;
1199                         data[i+1] = 0;
1200                         i += 2;
1201 #ifdef BP_EXTENDED_STATS
1202                         data[i] = 0;
1203                         data[i+1] = 0;
1204                         data[i+2] = 0;
1205                         i += 3;
1206 #endif
1207                         continue;
1208                 }
1209
1210                 do {
1211                         start = u64_stats_fetch_begin_irq(&ring->syncp);
1212                         data[i]   = ring->stats.packets;
1213                         data[i+1] = ring->stats.bytes;
1214                 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
1215                 i += 2;
1216 #ifdef BP_EXTENDED_STATS
1217                 data[i] = ring->stats.yields;
1218                 data[i+1] = ring->stats.misses;
1219                 data[i+2] = ring->stats.cleaned;
1220                 i += 3;
1221 #endif
1222         }
1223
1224         for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1225                 data[i++] = adapter->stats.pxontxc[j];
1226                 data[i++] = adapter->stats.pxofftxc[j];
1227         }
1228         for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1229                 data[i++] = adapter->stats.pxonrxc[j];
1230                 data[i++] = adapter->stats.pxoffrxc[j];
1231         }
1232 }
1233
1234 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1235                               u8 *data)
1236 {
1237         char *p = (char *)data;
1238         int i;
1239
1240         switch (stringset) {
1241         case ETH_SS_TEST:
1242                 for (i = 0; i < IXGBE_TEST_LEN; i++) {
1243                         memcpy(data, ixgbe_gstrings_test[i], ETH_GSTRING_LEN);
1244                         data += ETH_GSTRING_LEN;
1245                 }
1246                 break;
1247         case ETH_SS_STATS:
1248                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1249                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1250                                ETH_GSTRING_LEN);
1251                         p += ETH_GSTRING_LEN;
1252                 }
1253                 for (i = 0; i < netdev->num_tx_queues; i++) {
1254                         sprintf(p, "tx_queue_%u_packets", i);
1255                         p += ETH_GSTRING_LEN;
1256                         sprintf(p, "tx_queue_%u_bytes", i);
1257                         p += ETH_GSTRING_LEN;
1258 #ifdef BP_EXTENDED_STATS
1259                         sprintf(p, "tx_queue_%u_bp_napi_yield", i);
1260                         p += ETH_GSTRING_LEN;
1261                         sprintf(p, "tx_queue_%u_bp_misses", i);
1262                         p += ETH_GSTRING_LEN;
1263                         sprintf(p, "tx_queue_%u_bp_cleaned", i);
1264                         p += ETH_GSTRING_LEN;
1265 #endif /* BP_EXTENDED_STATS */
1266                 }
1267                 for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
1268                         sprintf(p, "rx_queue_%u_packets", i);
1269                         p += ETH_GSTRING_LEN;
1270                         sprintf(p, "rx_queue_%u_bytes", i);
1271                         p += ETH_GSTRING_LEN;
1272 #ifdef BP_EXTENDED_STATS
1273                         sprintf(p, "rx_queue_%u_bp_poll_yield", i);
1274                         p += ETH_GSTRING_LEN;
1275                         sprintf(p, "rx_queue_%u_bp_misses", i);
1276                         p += ETH_GSTRING_LEN;
1277                         sprintf(p, "rx_queue_%u_bp_cleaned", i);
1278                         p += ETH_GSTRING_LEN;
1279 #endif /* BP_EXTENDED_STATS */
1280                 }
1281                 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1282                         sprintf(p, "tx_pb_%u_pxon", i);
1283                         p += ETH_GSTRING_LEN;
1284                         sprintf(p, "tx_pb_%u_pxoff", i);
1285                         p += ETH_GSTRING_LEN;
1286                 }
1287                 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1288                         sprintf(p, "rx_pb_%u_pxon", i);
1289                         p += ETH_GSTRING_LEN;
1290                         sprintf(p, "rx_pb_%u_pxoff", i);
1291                         p += ETH_GSTRING_LEN;
1292                 }
1293                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1294                 break;
1295         }
1296 }
1297
1298 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1299 {
1300         struct ixgbe_hw *hw = &adapter->hw;
1301         bool link_up;
1302         u32 link_speed = 0;
1303
1304         if (ixgbe_removed(hw->hw_addr)) {
1305                 *data = 1;
1306                 return 1;
1307         }
1308         *data = 0;
1309
1310         hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1311         if (link_up)
1312                 return *data;
1313         else
1314                 *data = 1;
1315         return *data;
1316 }
1317
1318 /* ethtool register test data */
1319 struct ixgbe_reg_test {
1320         u16 reg;
1321         u8  array_len;
1322         u8  test_type;
1323         u32 mask;
1324         u32 write;
1325 };
1326
1327 /* In the hardware, registers are laid out either singly, in arrays
1328  * spaced 0x40 bytes apart, or in contiguous tables.  We assume
1329  * most tests take place on arrays or single registers (handled
1330  * as a single-element array) and special-case the tables.
1331  * Table tests are always pattern tests.
1332  *
1333  * We also make provision for some required setup steps by specifying
1334  * registers to be written without any read-back testing.
1335  */
1336
1337 #define PATTERN_TEST    1
1338 #define SET_READ_TEST   2
1339 #define WRITE_NO_TEST   3
1340 #define TABLE32_TEST    4
1341 #define TABLE64_TEST_LO 5
1342 #define TABLE64_TEST_HI 6
1343
1344 /* default 82599 register test */
1345 static const struct ixgbe_reg_test reg_test_82599[] = {
1346         { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1347         { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1348         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1349         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1350         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1351         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1352         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1353         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1354         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1355         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1356         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1357         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1358         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1359         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1360         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1361         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1362         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1363         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1364         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1365         { .reg = 0 }
1366 };
1367
1368 /* default 82598 register test */
1369 static const struct ixgbe_reg_test reg_test_82598[] = {
1370         { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1371         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1372         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1373         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1374         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1375         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1376         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1377         /* Enable all four RX queues before testing. */
1378         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1379         /* RDH is read-only for 82598, only test RDT. */
1380         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1381         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1382         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1383         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1384         { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1385         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1386         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1387         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1388         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1389         { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1390         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1391         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1392         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1393         { .reg = 0 }
1394 };
1395
1396 static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1397                              u32 mask, u32 write)
1398 {
1399         u32 pat, val, before;
1400         static const u32 test_pattern[] = {
1401                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1402
1403         if (ixgbe_removed(adapter->hw.hw_addr)) {
1404                 *data = 1;
1405                 return true;
1406         }
1407         for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
1408                 before = ixgbe_read_reg(&adapter->hw, reg);
1409                 ixgbe_write_reg(&adapter->hw, reg, test_pattern[pat] & write);
1410                 val = ixgbe_read_reg(&adapter->hw, reg);
1411                 if (val != (test_pattern[pat] & write & mask)) {
1412                         e_err(drv, "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
1413                               reg, val, (test_pattern[pat] & write & mask));
1414                         *data = reg;
1415                         ixgbe_write_reg(&adapter->hw, reg, before);
1416                         return true;
1417                 }
1418                 ixgbe_write_reg(&adapter->hw, reg, before);
1419         }
1420         return false;
1421 }
1422
1423 static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1424                               u32 mask, u32 write)
1425 {
1426         u32 val, before;
1427
1428         if (ixgbe_removed(adapter->hw.hw_addr)) {
1429                 *data = 1;
1430                 return true;
1431         }
1432         before = ixgbe_read_reg(&adapter->hw, reg);
1433         ixgbe_write_reg(&adapter->hw, reg, write & mask);
1434         val = ixgbe_read_reg(&adapter->hw, reg);
1435         if ((write & mask) != (val & mask)) {
1436                 e_err(drv, "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
1437                       reg, (val & mask), (write & mask));
1438                 *data = reg;
1439                 ixgbe_write_reg(&adapter->hw, reg, before);
1440                 return true;
1441         }
1442         ixgbe_write_reg(&adapter->hw, reg, before);
1443         return false;
1444 }
1445
1446 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1447 {
1448         const struct ixgbe_reg_test *test;
1449         u32 value, before, after;
1450         u32 i, toggle;
1451
1452         if (ixgbe_removed(adapter->hw.hw_addr)) {
1453                 e_err(drv, "Adapter removed - register test blocked\n");
1454                 *data = 1;
1455                 return 1;
1456         }
1457         switch (adapter->hw.mac.type) {
1458         case ixgbe_mac_82598EB:
1459                 toggle = 0x7FFFF3FF;
1460                 test = reg_test_82598;
1461                 break;
1462         case ixgbe_mac_82599EB:
1463         case ixgbe_mac_X540:
1464         case ixgbe_mac_X550:
1465         case ixgbe_mac_X550EM_x:
1466         case ixgbe_mac_x550em_a:
1467                 toggle = 0x7FFFF30F;
1468                 test = reg_test_82599;
1469                 break;
1470         default:
1471                 *data = 1;
1472                 return 1;
1473         }
1474
1475         /*
1476          * Because the status register is such a special case,
1477          * we handle it separately from the rest of the register
1478          * tests.  Some bits are read-only, some toggle, and some
1479          * are writeable on newer MACs.
1480          */
1481         before = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS);
1482         value = (ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle);
1483         ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, toggle);
1484         after = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle;
1485         if (value != after) {
1486                 e_err(drv, "failed STATUS register test got: 0x%08X expected: 0x%08X\n",
1487                       after, value);
1488                 *data = 1;
1489                 return 1;
1490         }
1491         /* restore previous status */
1492         ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, before);
1493
1494         /*
1495          * Perform the remainder of the register test, looping through
1496          * the test table until we either fail or reach the null entry.
1497          */
1498         while (test->reg) {
1499                 for (i = 0; i < test->array_len; i++) {
1500                         bool b = false;
1501
1502                         switch (test->test_type) {
1503                         case PATTERN_TEST:
1504                                 b = reg_pattern_test(adapter, data,
1505                                                      test->reg + (i * 0x40),
1506                                                      test->mask,
1507                                                      test->write);
1508                                 break;
1509                         case SET_READ_TEST:
1510                                 b = reg_set_and_check(adapter, data,
1511                                                       test->reg + (i * 0x40),
1512                                                       test->mask,
1513                                                       test->write);
1514                                 break;
1515                         case WRITE_NO_TEST:
1516                                 ixgbe_write_reg(&adapter->hw,
1517                                                 test->reg + (i * 0x40),
1518                                                 test->write);
1519                                 break;
1520                         case TABLE32_TEST:
1521                                 b = reg_pattern_test(adapter, data,
1522                                                      test->reg + (i * 4),
1523                                                      test->mask,
1524                                                      test->write);
1525                                 break;
1526                         case TABLE64_TEST_LO:
1527                                 b = reg_pattern_test(adapter, data,
1528                                                      test->reg + (i * 8),
1529                                                      test->mask,
1530                                                      test->write);
1531                                 break;
1532                         case TABLE64_TEST_HI:
1533                                 b = reg_pattern_test(adapter, data,
1534                                                      (test->reg + 4) + (i * 8),
1535                                                      test->mask,
1536                                                      test->write);
1537                                 break;
1538                         }
1539                         if (b)
1540                                 return 1;
1541                 }
1542                 test++;
1543         }
1544
1545         *data = 0;
1546         return 0;
1547 }
1548
1549 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1550 {
1551         struct ixgbe_hw *hw = &adapter->hw;
1552         if (hw->eeprom.ops.validate_checksum(hw, NULL))
1553                 *data = 1;
1554         else
1555                 *data = 0;
1556         return *data;
1557 }
1558
1559 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1560 {
1561         struct net_device *netdev = (struct net_device *) data;
1562         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1563
1564         adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1565
1566         return IRQ_HANDLED;
1567 }
1568
1569 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1570 {
1571         struct net_device *netdev = adapter->netdev;
1572         u32 mask, i = 0, shared_int = true;
1573         u32 irq = adapter->pdev->irq;
1574
1575         *data = 0;
1576
1577         /* Hook up test interrupt handler just for this test */
1578         if (adapter->msix_entries) {
1579                 /* NOTE: we don't test MSI-X interrupts here, yet */
1580                 return 0;
1581         } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1582                 shared_int = false;
1583                 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1584                                 netdev)) {
1585                         *data = 1;
1586                         return -1;
1587                 }
1588         } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1589                                 netdev->name, netdev)) {
1590                 shared_int = false;
1591         } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1592                                netdev->name, netdev)) {
1593                 *data = 1;
1594                 return -1;
1595         }
1596         e_info(hw, "testing %s interrupt\n", shared_int ?
1597                "shared" : "unshared");
1598
1599         /* Disable all the interrupts */
1600         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1601         IXGBE_WRITE_FLUSH(&adapter->hw);
1602         usleep_range(10000, 20000);
1603
1604         /* Test each interrupt */
1605         for (; i < 10; i++) {
1606                 /* Interrupt to test */
1607                 mask = BIT(i);
1608
1609                 if (!shared_int) {
1610                         /*
1611                          * Disable the interrupts to be reported in
1612                          * the cause register and then force the same
1613                          * interrupt and see if one gets posted.  If
1614                          * an interrupt was posted to the bus, the
1615                          * test failed.
1616                          */
1617                         adapter->test_icr = 0;
1618                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1619                                         ~mask & 0x00007FFF);
1620                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1621                                         ~mask & 0x00007FFF);
1622                         IXGBE_WRITE_FLUSH(&adapter->hw);
1623                         usleep_range(10000, 20000);
1624
1625                         if (adapter->test_icr & mask) {
1626                                 *data = 3;
1627                                 break;
1628                         }
1629                 }
1630
1631                 /*
1632                  * Enable the interrupt to be reported in the cause
1633                  * register and then force the same interrupt and see
1634                  * if one gets posted.  If an interrupt was not posted
1635                  * to the bus, the test failed.
1636                  */
1637                 adapter->test_icr = 0;
1638                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1639                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1640                 IXGBE_WRITE_FLUSH(&adapter->hw);
1641                 usleep_range(10000, 20000);
1642
1643                 if (!(adapter->test_icr & mask)) {
1644                         *data = 4;
1645                         break;
1646                 }
1647
1648                 if (!shared_int) {
1649                         /*
1650                          * Disable the other interrupts to be reported in
1651                          * the cause register and then force the other
1652                          * interrupts and see if any get posted.  If
1653                          * an interrupt was posted to the bus, the
1654                          * test failed.
1655                          */
1656                         adapter->test_icr = 0;
1657                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1658                                         ~mask & 0x00007FFF);
1659                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1660                                         ~mask & 0x00007FFF);
1661                         IXGBE_WRITE_FLUSH(&adapter->hw);
1662                         usleep_range(10000, 20000);
1663
1664                         if (adapter->test_icr) {
1665                                 *data = 5;
1666                                 break;
1667                         }
1668                 }
1669         }
1670
1671         /* Disable all the interrupts */
1672         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1673         IXGBE_WRITE_FLUSH(&adapter->hw);
1674         usleep_range(10000, 20000);
1675
1676         /* Unhook test interrupt handler */
1677         free_irq(irq, netdev);
1678
1679         return *data;
1680 }
1681
1682 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1683 {
1684         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1685         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1686         struct ixgbe_hw *hw = &adapter->hw;
1687         u32 reg_ctl;
1688
1689         /* shut down the DMA engines now so they can be reinitialized later */
1690
1691         /* first Rx */
1692         hw->mac.ops.disable_rx(hw);
1693         ixgbe_disable_rx_queue(adapter, rx_ring);
1694
1695         /* now Tx */
1696         reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx));
1697         reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1698         IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
1699
1700         switch (hw->mac.type) {
1701         case ixgbe_mac_82599EB:
1702         case ixgbe_mac_X540:
1703         case ixgbe_mac_X550:
1704         case ixgbe_mac_X550EM_x:
1705         case ixgbe_mac_x550em_a:
1706                 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1707                 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1708                 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1709                 break;
1710         default:
1711                 break;
1712         }
1713
1714         ixgbe_reset(adapter);
1715
1716         ixgbe_free_tx_resources(&adapter->test_tx_ring);
1717         ixgbe_free_rx_resources(&adapter->test_rx_ring);
1718 }
1719
1720 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1721 {
1722         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1723         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1724         struct ixgbe_hw *hw = &adapter->hw;
1725         u32 rctl, reg_data;
1726         int ret_val;
1727         int err;
1728
1729         /* Setup Tx descriptor ring and Tx buffers */
1730         tx_ring->count = IXGBE_DEFAULT_TXD;
1731         tx_ring->queue_index = 0;
1732         tx_ring->dev = &adapter->pdev->dev;
1733         tx_ring->netdev = adapter->netdev;
1734         tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1735
1736         err = ixgbe_setup_tx_resources(tx_ring);
1737         if (err)
1738                 return 1;
1739
1740         switch (adapter->hw.mac.type) {
1741         case ixgbe_mac_82599EB:
1742         case ixgbe_mac_X540:
1743         case ixgbe_mac_X550:
1744         case ixgbe_mac_X550EM_x:
1745         case ixgbe_mac_x550em_a:
1746                 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1747                 reg_data |= IXGBE_DMATXCTL_TE;
1748                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1749                 break;
1750         default:
1751                 break;
1752         }
1753
1754         ixgbe_configure_tx_ring(adapter, tx_ring);
1755
1756         /* Setup Rx Descriptor ring and Rx buffers */
1757         rx_ring->count = IXGBE_DEFAULT_RXD;
1758         rx_ring->queue_index = 0;
1759         rx_ring->dev = &adapter->pdev->dev;
1760         rx_ring->netdev = adapter->netdev;
1761         rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1762
1763         err = ixgbe_setup_rx_resources(rx_ring);
1764         if (err) {
1765                 ret_val = 4;
1766                 goto err_nomem;
1767         }
1768
1769         hw->mac.ops.disable_rx(hw);
1770
1771         ixgbe_configure_rx_ring(adapter, rx_ring);
1772
1773         rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1774         rctl |= IXGBE_RXCTRL_DMBYPS;
1775         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1776
1777         hw->mac.ops.enable_rx(hw);
1778
1779         return 0;
1780
1781 err_nomem:
1782         ixgbe_free_desc_rings(adapter);
1783         return ret_val;
1784 }
1785
1786 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1787 {
1788         struct ixgbe_hw *hw = &adapter->hw;
1789         u32 reg_data;
1790
1791
1792         /* Setup MAC loopback */
1793         reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1794         reg_data |= IXGBE_HLREG0_LPBK;
1795         IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1796
1797         reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1798         reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1799         IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1800
1801         /* X540 and X550 needs to set the MACC.FLU bit to force link up */
1802         switch (adapter->hw.mac.type) {
1803         case ixgbe_mac_X540:
1804         case ixgbe_mac_X550:
1805         case ixgbe_mac_X550EM_x:
1806         case ixgbe_mac_x550em_a:
1807                 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1808                 reg_data |= IXGBE_MACC_FLU;
1809                 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1810                 break;
1811         default:
1812                 if (hw->mac.orig_autoc) {
1813                         reg_data = hw->mac.orig_autoc | IXGBE_AUTOC_FLU;
1814                         IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1815                 } else {
1816                         return 10;
1817                 }
1818         }
1819         IXGBE_WRITE_FLUSH(hw);
1820         usleep_range(10000, 20000);
1821
1822         /* Disable Atlas Tx lanes; re-enabled in reset path */
1823         if (hw->mac.type == ixgbe_mac_82598EB) {
1824                 u8 atlas;
1825
1826                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1827                 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1828                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1829
1830                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1831                 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1832                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1833
1834                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1835                 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1836                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1837
1838                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1839                 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1840                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1841         }
1842
1843         return 0;
1844 }
1845
1846 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1847 {
1848         u32 reg_data;
1849
1850         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1851         reg_data &= ~IXGBE_HLREG0_LPBK;
1852         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1853 }
1854
1855 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1856                                       unsigned int frame_size)
1857 {
1858         memset(skb->data, 0xFF, frame_size);
1859         frame_size >>= 1;
1860         memset(&skb->data[frame_size], 0xAA, frame_size / 2 - 1);
1861         memset(&skb->data[frame_size + 10], 0xBE, 1);
1862         memset(&skb->data[frame_size + 12], 0xAF, 1);
1863 }
1864
1865 static bool ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer *rx_buffer,
1866                                      unsigned int frame_size)
1867 {
1868         unsigned char *data;
1869         bool match = true;
1870
1871         frame_size >>= 1;
1872
1873         data = kmap(rx_buffer->page) + rx_buffer->page_offset;
1874
1875         if (data[3] != 0xFF ||
1876             data[frame_size + 10] != 0xBE ||
1877             data[frame_size + 12] != 0xAF)
1878                 match = false;
1879
1880         kunmap(rx_buffer->page);
1881
1882         return match;
1883 }
1884
1885 static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
1886                                   struct ixgbe_ring *tx_ring,
1887                                   unsigned int size)
1888 {
1889         union ixgbe_adv_rx_desc *rx_desc;
1890         struct ixgbe_rx_buffer *rx_buffer;
1891         struct ixgbe_tx_buffer *tx_buffer;
1892         u16 rx_ntc, tx_ntc, count = 0;
1893
1894         /* initialize next to clean and descriptor values */
1895         rx_ntc = rx_ring->next_to_clean;
1896         tx_ntc = tx_ring->next_to_clean;
1897         rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
1898
1899         while (ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_DD)) {
1900                 /* check Rx buffer */
1901                 rx_buffer = &rx_ring->rx_buffer_info[rx_ntc];
1902
1903                 /* sync Rx buffer for CPU read */
1904                 dma_sync_single_for_cpu(rx_ring->dev,
1905                                         rx_buffer->dma,
1906                                         ixgbe_rx_bufsz(rx_ring),
1907                                         DMA_FROM_DEVICE);
1908
1909                 /* verify contents of skb */
1910                 if (ixgbe_check_lbtest_frame(rx_buffer, size))
1911                         count++;
1912
1913                 /* sync Rx buffer for device write */
1914                 dma_sync_single_for_device(rx_ring->dev,
1915                                            rx_buffer->dma,
1916                                            ixgbe_rx_bufsz(rx_ring),
1917                                            DMA_FROM_DEVICE);
1918
1919                 /* unmap buffer on Tx side */
1920                 tx_buffer = &tx_ring->tx_buffer_info[tx_ntc];
1921                 ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer);
1922
1923                 /* increment Rx/Tx next to clean counters */
1924                 rx_ntc++;
1925                 if (rx_ntc == rx_ring->count)
1926                         rx_ntc = 0;
1927                 tx_ntc++;
1928                 if (tx_ntc == tx_ring->count)
1929                         tx_ntc = 0;
1930
1931                 /* fetch next descriptor */
1932                 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
1933         }
1934
1935         netdev_tx_reset_queue(txring_txq(tx_ring));
1936
1937         /* re-map buffers to ring, store next to clean values */
1938         ixgbe_alloc_rx_buffers(rx_ring, count);
1939         rx_ring->next_to_clean = rx_ntc;
1940         tx_ring->next_to_clean = tx_ntc;
1941
1942         return count;
1943 }
1944
1945 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1946 {
1947         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1948         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1949         int i, j, lc, good_cnt, ret_val = 0;
1950         unsigned int size = 1024;
1951         netdev_tx_t tx_ret_val;
1952         struct sk_buff *skb;
1953         u32 flags_orig = adapter->flags;
1954
1955         /* DCB can modify the frames on Tx */
1956         adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
1957
1958         /* allocate test skb */
1959         skb = alloc_skb(size, GFP_KERNEL);
1960         if (!skb)
1961                 return 11;
1962
1963         /* place data into test skb */
1964         ixgbe_create_lbtest_frame(skb, size);
1965         skb_put(skb, size);
1966
1967         /*
1968          * Calculate the loop count based on the largest descriptor ring
1969          * The idea is to wrap the largest ring a number of times using 64
1970          * send/receive pairs during each loop
1971          */
1972
1973         if (rx_ring->count <= tx_ring->count)
1974                 lc = ((tx_ring->count / 64) * 2) + 1;
1975         else
1976                 lc = ((rx_ring->count / 64) * 2) + 1;
1977
1978         for (j = 0; j <= lc; j++) {
1979                 /* reset count of good packets */
1980                 good_cnt = 0;
1981
1982                 /* place 64 packets on the transmit queue*/
1983                 for (i = 0; i < 64; i++) {
1984                         skb_get(skb);
1985                         tx_ret_val = ixgbe_xmit_frame_ring(skb,
1986                                                            adapter,
1987                                                            tx_ring);
1988                         if (tx_ret_val == NETDEV_TX_OK)
1989                                 good_cnt++;
1990                 }
1991
1992                 if (good_cnt != 64) {
1993                         ret_val = 12;
1994                         break;
1995                 }
1996
1997                 /* allow 200 milliseconds for packets to go from Tx to Rx */
1998                 msleep(200);
1999
2000                 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
2001                 if (good_cnt != 64) {
2002                         ret_val = 13;
2003                         break;
2004                 }
2005         }
2006
2007         /* free the original skb */
2008         kfree_skb(skb);
2009         adapter->flags = flags_orig;
2010
2011         return ret_val;
2012 }
2013
2014 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
2015 {
2016         *data = ixgbe_setup_desc_rings(adapter);
2017         if (*data)
2018                 goto out;
2019         *data = ixgbe_setup_loopback_test(adapter);
2020         if (*data)
2021                 goto err_loopback;
2022         *data = ixgbe_run_loopback_test(adapter);
2023         ixgbe_loopback_cleanup(adapter);
2024
2025 err_loopback:
2026         ixgbe_free_desc_rings(adapter);
2027 out:
2028         return *data;
2029 }
2030
2031 static void ixgbe_diag_test(struct net_device *netdev,
2032                             struct ethtool_test *eth_test, u64 *data)
2033 {
2034         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2035         bool if_running = netif_running(netdev);
2036
2037         if (ixgbe_removed(adapter->hw.hw_addr)) {
2038                 e_err(hw, "Adapter removed - test blocked\n");
2039                 data[0] = 1;
2040                 data[1] = 1;
2041                 data[2] = 1;
2042                 data[3] = 1;
2043                 data[4] = 1;
2044                 eth_test->flags |= ETH_TEST_FL_FAILED;
2045                 return;
2046         }
2047         set_bit(__IXGBE_TESTING, &adapter->state);
2048         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
2049                 struct ixgbe_hw *hw = &adapter->hw;
2050
2051                 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
2052                         int i;
2053                         for (i = 0; i < adapter->num_vfs; i++) {
2054                                 if (adapter->vfinfo[i].clear_to_send) {
2055                                         netdev_warn(netdev, "offline diagnostic is not supported when VFs are present\n");
2056                                         data[0] = 1;
2057                                         data[1] = 1;
2058                                         data[2] = 1;
2059                                         data[3] = 1;
2060                                         data[4] = 1;
2061                                         eth_test->flags |= ETH_TEST_FL_FAILED;
2062                                         clear_bit(__IXGBE_TESTING,
2063                                                   &adapter->state);
2064                                         goto skip_ol_tests;
2065                                 }
2066                         }
2067                 }
2068
2069                 /* Offline tests */
2070                 e_info(hw, "offline testing starting\n");
2071
2072                 /* Link test performed before hardware reset so autoneg doesn't
2073                  * interfere with test result
2074                  */
2075                 if (ixgbe_link_test(adapter, &data[4]))
2076                         eth_test->flags |= ETH_TEST_FL_FAILED;
2077
2078                 if (if_running)
2079                         /* indicate we're in test mode */
2080                         ixgbe_close(netdev);
2081                 else
2082                         ixgbe_reset(adapter);
2083
2084                 e_info(hw, "register testing starting\n");
2085                 if (ixgbe_reg_test(adapter, &data[0]))
2086                         eth_test->flags |= ETH_TEST_FL_FAILED;
2087
2088                 ixgbe_reset(adapter);
2089                 e_info(hw, "eeprom testing starting\n");
2090                 if (ixgbe_eeprom_test(adapter, &data[1]))
2091                         eth_test->flags |= ETH_TEST_FL_FAILED;
2092
2093                 ixgbe_reset(adapter);
2094                 e_info(hw, "interrupt testing starting\n");
2095                 if (ixgbe_intr_test(adapter, &data[2]))
2096                         eth_test->flags |= ETH_TEST_FL_FAILED;
2097
2098                 /* If SRIOV or VMDq is enabled then skip MAC
2099                  * loopback diagnostic. */
2100                 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
2101                                       IXGBE_FLAG_VMDQ_ENABLED)) {
2102                         e_info(hw, "Skip MAC loopback diagnostic in VT mode\n");
2103                         data[3] = 0;
2104                         goto skip_loopback;
2105                 }
2106
2107                 ixgbe_reset(adapter);
2108                 e_info(hw, "loopback testing starting\n");
2109                 if (ixgbe_loopback_test(adapter, &data[3]))
2110                         eth_test->flags |= ETH_TEST_FL_FAILED;
2111
2112 skip_loopback:
2113                 ixgbe_reset(adapter);
2114
2115                 /* clear testing bit and return adapter to previous state */
2116                 clear_bit(__IXGBE_TESTING, &adapter->state);
2117                 if (if_running)
2118                         ixgbe_open(netdev);
2119                 else if (hw->mac.ops.disable_tx_laser)
2120                         hw->mac.ops.disable_tx_laser(hw);
2121         } else {
2122                 e_info(hw, "online testing starting\n");
2123
2124                 /* Online tests */
2125                 if (ixgbe_link_test(adapter, &data[4]))
2126                         eth_test->flags |= ETH_TEST_FL_FAILED;
2127
2128                 /* Offline tests aren't run; pass by default */
2129                 data[0] = 0;
2130                 data[1] = 0;
2131                 data[2] = 0;
2132                 data[3] = 0;
2133
2134                 clear_bit(__IXGBE_TESTING, &adapter->state);
2135         }
2136
2137 skip_ol_tests:
2138         msleep_interruptible(4 * 1000);
2139 }
2140
2141 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
2142                                struct ethtool_wolinfo *wol)
2143 {
2144         struct ixgbe_hw *hw = &adapter->hw;
2145         int retval = 0;
2146
2147         /* WOL not supported for all devices */
2148         if (!ixgbe_wol_supported(adapter, hw->device_id,
2149                                  hw->subsystem_device_id)) {
2150                 retval = 1;
2151                 wol->supported = 0;
2152         }
2153
2154         return retval;
2155 }
2156
2157 static void ixgbe_get_wol(struct net_device *netdev,
2158                           struct ethtool_wolinfo *wol)
2159 {
2160         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2161
2162         wol->supported = WAKE_UCAST | WAKE_MCAST |
2163                          WAKE_BCAST | WAKE_MAGIC;
2164         wol->wolopts = 0;
2165
2166         if (ixgbe_wol_exclusion(adapter, wol) ||
2167             !device_can_wakeup(&adapter->pdev->dev))
2168                 return;
2169
2170         if (adapter->wol & IXGBE_WUFC_EX)
2171                 wol->wolopts |= WAKE_UCAST;
2172         if (adapter->wol & IXGBE_WUFC_MC)
2173                 wol->wolopts |= WAKE_MCAST;
2174         if (adapter->wol & IXGBE_WUFC_BC)
2175                 wol->wolopts |= WAKE_BCAST;
2176         if (adapter->wol & IXGBE_WUFC_MAG)
2177                 wol->wolopts |= WAKE_MAGIC;
2178 }
2179
2180 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2181 {
2182         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2183
2184         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
2185                 return -EOPNOTSUPP;
2186
2187         if (ixgbe_wol_exclusion(adapter, wol))
2188                 return wol->wolopts ? -EOPNOTSUPP : 0;
2189
2190         adapter->wol = 0;
2191
2192         if (wol->wolopts & WAKE_UCAST)
2193                 adapter->wol |= IXGBE_WUFC_EX;
2194         if (wol->wolopts & WAKE_MCAST)
2195                 adapter->wol |= IXGBE_WUFC_MC;
2196         if (wol->wolopts & WAKE_BCAST)
2197                 adapter->wol |= IXGBE_WUFC_BC;
2198         if (wol->wolopts & WAKE_MAGIC)
2199                 adapter->wol |= IXGBE_WUFC_MAG;
2200
2201         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2202
2203         return 0;
2204 }
2205
2206 static int ixgbe_nway_reset(struct net_device *netdev)
2207 {
2208         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2209
2210         if (netif_running(netdev))
2211                 ixgbe_reinit_locked(adapter);
2212
2213         return 0;
2214 }
2215
2216 static int ixgbe_set_phys_id(struct net_device *netdev,
2217                              enum ethtool_phys_id_state state)
2218 {
2219         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2220         struct ixgbe_hw *hw = &adapter->hw;
2221
2222         switch (state) {
2223         case ETHTOOL_ID_ACTIVE:
2224                 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2225                 return 2;
2226
2227         case ETHTOOL_ID_ON:
2228                 hw->mac.ops.led_on(hw, hw->bus.func);
2229                 break;
2230
2231         case ETHTOOL_ID_OFF:
2232                 hw->mac.ops.led_off(hw, hw->bus.func);
2233                 break;
2234
2235         case ETHTOOL_ID_INACTIVE:
2236                 /* Restore LED settings */
2237                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2238                 break;
2239         }
2240
2241         return 0;
2242 }
2243
2244 static int ixgbe_get_coalesce(struct net_device *netdev,
2245                               struct ethtool_coalesce *ec)
2246 {
2247         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2248
2249         /* only valid if in constant ITR mode */
2250         if (adapter->rx_itr_setting <= 1)
2251                 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2252         else
2253                 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2254
2255         /* if in mixed tx/rx queues per vector mode, report only rx settings */
2256         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2257                 return 0;
2258
2259         /* only valid if in constant ITR mode */
2260         if (adapter->tx_itr_setting <= 1)
2261                 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2262         else
2263                 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2264
2265         return 0;
2266 }
2267
2268 /*
2269  * this function must be called before setting the new value of
2270  * rx_itr_setting
2271  */
2272 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
2273 {
2274         struct net_device *netdev = adapter->netdev;
2275
2276         /* nothing to do if LRO or RSC are not enabled */
2277         if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
2278             !(netdev->features & NETIF_F_LRO))
2279                 return false;
2280
2281         /* check the feature flag value and enable RSC if necessary */
2282         if (adapter->rx_itr_setting == 1 ||
2283             adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2284                 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2285                         adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2286                         e_info(probe, "rx-usecs value high enough to re-enable RSC\n");
2287                         return true;
2288                 }
2289         /* if interrupt rate is too high then disable RSC */
2290         } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2291                 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2292                 e_info(probe, "rx-usecs set too low, disabling RSC\n");
2293                 return true;
2294         }
2295         return false;
2296 }
2297
2298 static int ixgbe_set_coalesce(struct net_device *netdev,
2299                               struct ethtool_coalesce *ec)
2300 {
2301         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2302         struct ixgbe_q_vector *q_vector;
2303         int i;
2304         u16 tx_itr_param, rx_itr_param, tx_itr_prev;
2305         bool need_reset = false;
2306
2307         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count) {
2308                 /* reject Tx specific changes in case of mixed RxTx vectors */
2309                 if (ec->tx_coalesce_usecs)
2310                         return -EINVAL;
2311                 tx_itr_prev = adapter->rx_itr_setting;
2312         } else {
2313                 tx_itr_prev = adapter->tx_itr_setting;
2314         }
2315
2316         if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2317             (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2318                 return -EINVAL;
2319
2320         if (ec->rx_coalesce_usecs > 1)
2321                 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2322         else
2323                 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2324
2325         if (adapter->rx_itr_setting == 1)
2326                 rx_itr_param = IXGBE_20K_ITR;
2327         else
2328                 rx_itr_param = adapter->rx_itr_setting;
2329
2330         if (ec->tx_coalesce_usecs > 1)
2331                 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2332         else
2333                 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2334
2335         if (adapter->tx_itr_setting == 1)
2336                 tx_itr_param = IXGBE_12K_ITR;
2337         else
2338                 tx_itr_param = adapter->tx_itr_setting;
2339
2340         /* mixed Rx/Tx */
2341         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2342                 adapter->tx_itr_setting = adapter->rx_itr_setting;
2343
2344         /* detect ITR changes that require update of TXDCTL.WTHRESH */
2345         if ((adapter->tx_itr_setting != 1) &&
2346             (adapter->tx_itr_setting < IXGBE_100K_ITR)) {
2347                 if ((tx_itr_prev == 1) ||
2348                     (tx_itr_prev >= IXGBE_100K_ITR))
2349                         need_reset = true;
2350         } else {
2351                 if ((tx_itr_prev != 1) &&
2352                     (tx_itr_prev < IXGBE_100K_ITR))
2353                         need_reset = true;
2354         }
2355
2356         /* check the old value and enable RSC if necessary */
2357         need_reset |= ixgbe_update_rsc(adapter);
2358
2359         for (i = 0; i < adapter->num_q_vectors; i++) {
2360                 q_vector = adapter->q_vector[i];
2361                 if (q_vector->tx.count && !q_vector->rx.count)
2362                         /* tx only */
2363                         q_vector->itr = tx_itr_param;
2364                 else
2365                         /* rx only or mixed */
2366                         q_vector->itr = rx_itr_param;
2367                 ixgbe_write_eitr(q_vector);
2368         }
2369
2370         /*
2371          * do reset here at the end to make sure EITR==0 case is handled
2372          * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2373          * also locks in RSC enable/disable which requires reset
2374          */
2375         if (need_reset)
2376                 ixgbe_do_reset(netdev);
2377
2378         return 0;
2379 }
2380
2381 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2382                                         struct ethtool_rxnfc *cmd)
2383 {
2384         union ixgbe_atr_input *mask = &adapter->fdir_mask;
2385         struct ethtool_rx_flow_spec *fsp =
2386                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2387         struct hlist_node *node2;
2388         struct ixgbe_fdir_filter *rule = NULL;
2389
2390         /* report total rule count */
2391         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2392
2393         hlist_for_each_entry_safe(rule, node2,
2394                                   &adapter->fdir_filter_list, fdir_node) {
2395                 if (fsp->location <= rule->sw_idx)
2396                         break;
2397         }
2398
2399         if (!rule || fsp->location != rule->sw_idx)
2400                 return -EINVAL;
2401
2402         /* fill out the flow spec entry */
2403
2404         /* set flow type field */
2405         switch (rule->filter.formatted.flow_type) {
2406         case IXGBE_ATR_FLOW_TYPE_TCPV4:
2407                 fsp->flow_type = TCP_V4_FLOW;
2408                 break;
2409         case IXGBE_ATR_FLOW_TYPE_UDPV4:
2410                 fsp->flow_type = UDP_V4_FLOW;
2411                 break;
2412         case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2413                 fsp->flow_type = SCTP_V4_FLOW;
2414                 break;
2415         case IXGBE_ATR_FLOW_TYPE_IPV4:
2416                 fsp->flow_type = IP_USER_FLOW;
2417                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2418                 fsp->h_u.usr_ip4_spec.proto = 0;
2419                 fsp->m_u.usr_ip4_spec.proto = 0;
2420                 break;
2421         default:
2422                 return -EINVAL;
2423         }
2424
2425         fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2426         fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2427         fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2428         fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2429         fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2430         fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2431         fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2432         fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2433         fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2434         fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2435         fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2436         fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2437         fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2438         fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2439         fsp->flow_type |= FLOW_EXT;
2440
2441         /* record action */
2442         if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2443                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2444         else
2445                 fsp->ring_cookie = rule->action;
2446
2447         return 0;
2448 }
2449
2450 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2451                                       struct ethtool_rxnfc *cmd,
2452                                       u32 *rule_locs)
2453 {
2454         struct hlist_node *node2;
2455         struct ixgbe_fdir_filter *rule;
2456         int cnt = 0;
2457
2458         /* report total rule count */
2459         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2460
2461         hlist_for_each_entry_safe(rule, node2,
2462                                   &adapter->fdir_filter_list, fdir_node) {
2463                 if (cnt == cmd->rule_cnt)
2464                         return -EMSGSIZE;
2465                 rule_locs[cnt] = rule->sw_idx;
2466                 cnt++;
2467         }
2468
2469         cmd->rule_cnt = cnt;
2470
2471         return 0;
2472 }
2473
2474 static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter,
2475                                    struct ethtool_rxnfc *cmd)
2476 {
2477         cmd->data = 0;
2478
2479         /* Report default options for RSS on ixgbe */
2480         switch (cmd->flow_type) {
2481         case TCP_V4_FLOW:
2482                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2483                 /* fallthrough */
2484         case UDP_V4_FLOW:
2485                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2486                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2487                 /* fallthrough */
2488         case SCTP_V4_FLOW:
2489         case AH_ESP_V4_FLOW:
2490         case AH_V4_FLOW:
2491         case ESP_V4_FLOW:
2492         case IPV4_FLOW:
2493                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2494                 break;
2495         case TCP_V6_FLOW:
2496                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2497                 /* fallthrough */
2498         case UDP_V6_FLOW:
2499                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2500                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2501                 /* fallthrough */
2502         case SCTP_V6_FLOW:
2503         case AH_ESP_V6_FLOW:
2504         case AH_V6_FLOW:
2505         case ESP_V6_FLOW:
2506         case IPV6_FLOW:
2507                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2508                 break;
2509         default:
2510                 return -EINVAL;
2511         }
2512
2513         return 0;
2514 }
2515
2516 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2517                            u32 *rule_locs)
2518 {
2519         struct ixgbe_adapter *adapter = netdev_priv(dev);
2520         int ret = -EOPNOTSUPP;
2521
2522         switch (cmd->cmd) {
2523         case ETHTOOL_GRXRINGS:
2524                 cmd->data = adapter->num_rx_queues;
2525                 ret = 0;
2526                 break;
2527         case ETHTOOL_GRXCLSRLCNT:
2528                 cmd->rule_cnt = adapter->fdir_filter_count;
2529                 ret = 0;
2530                 break;
2531         case ETHTOOL_GRXCLSRULE:
2532                 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2533                 break;
2534         case ETHTOOL_GRXCLSRLALL:
2535                 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
2536                 break;
2537         case ETHTOOL_GRXFH:
2538                 ret = ixgbe_get_rss_hash_opts(adapter, cmd);
2539                 break;
2540         default:
2541                 break;
2542         }
2543
2544         return ret;
2545 }
2546
2547 int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2548                                     struct ixgbe_fdir_filter *input,
2549                                     u16 sw_idx)
2550 {
2551         struct ixgbe_hw *hw = &adapter->hw;
2552         struct hlist_node *node2;
2553         struct ixgbe_fdir_filter *rule, *parent;
2554         int err = -EINVAL;
2555
2556         parent = NULL;
2557         rule = NULL;
2558
2559         hlist_for_each_entry_safe(rule, node2,
2560                                   &adapter->fdir_filter_list, fdir_node) {
2561                 /* hash found, or no matching entry */
2562                 if (rule->sw_idx >= sw_idx)
2563                         break;
2564                 parent = rule;
2565         }
2566
2567         /* if there is an old rule occupying our place remove it */
2568         if (rule && (rule->sw_idx == sw_idx)) {
2569                 if (!input || (rule->filter.formatted.bkt_hash !=
2570                                input->filter.formatted.bkt_hash)) {
2571                         err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2572                                                                 &rule->filter,
2573                                                                 sw_idx);
2574                 }
2575
2576                 hlist_del(&rule->fdir_node);
2577                 kfree(rule);
2578                 adapter->fdir_filter_count--;
2579         }
2580
2581         /*
2582          * If no input this was a delete, err should be 0 if a rule was
2583          * successfully found and removed from the list else -EINVAL
2584          */
2585         if (!input)
2586                 return err;
2587
2588         /* initialize node and set software index */
2589         INIT_HLIST_NODE(&input->fdir_node);
2590
2591         /* add filter to the list */
2592         if (parent)
2593                 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2594         else
2595                 hlist_add_head(&input->fdir_node,
2596                                &adapter->fdir_filter_list);
2597
2598         /* update counts */
2599         adapter->fdir_filter_count++;
2600
2601         return 0;
2602 }
2603
2604 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2605                                        u8 *flow_type)
2606 {
2607         switch (fsp->flow_type & ~FLOW_EXT) {
2608         case TCP_V4_FLOW:
2609                 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2610                 break;
2611         case UDP_V4_FLOW:
2612                 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2613                 break;
2614         case SCTP_V4_FLOW:
2615                 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2616                 break;
2617         case IP_USER_FLOW:
2618                 switch (fsp->h_u.usr_ip4_spec.proto) {
2619                 case IPPROTO_TCP:
2620                         *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2621                         break;
2622                 case IPPROTO_UDP:
2623                         *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2624                         break;
2625                 case IPPROTO_SCTP:
2626                         *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2627                         break;
2628                 case 0:
2629                         if (!fsp->m_u.usr_ip4_spec.proto) {
2630                                 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2631                                 break;
2632                         }
2633                 default:
2634                         return 0;
2635                 }
2636                 break;
2637         default:
2638                 return 0;
2639         }
2640
2641         return 1;
2642 }
2643
2644 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2645                                         struct ethtool_rxnfc *cmd)
2646 {
2647         struct ethtool_rx_flow_spec *fsp =
2648                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2649         struct ixgbe_hw *hw = &adapter->hw;
2650         struct ixgbe_fdir_filter *input;
2651         union ixgbe_atr_input mask;
2652         u8 queue;
2653         int err;
2654
2655         if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2656                 return -EOPNOTSUPP;
2657
2658         /* ring_cookie is a masked into a set of queues and ixgbe pools or
2659          * we use the drop index.
2660          */
2661         if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
2662                 queue = IXGBE_FDIR_DROP_QUEUE;
2663         } else {
2664                 u32 ring = ethtool_get_flow_spec_ring(fsp->ring_cookie);
2665                 u8 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
2666
2667                 if (!vf && (ring >= adapter->num_rx_queues))
2668                         return -EINVAL;
2669                 else if (vf &&
2670                          ((vf > adapter->num_vfs) ||
2671                            ring >= adapter->num_rx_queues_per_pool))
2672                         return -EINVAL;
2673
2674                 /* Map the ring onto the absolute queue index */
2675                 if (!vf)
2676                         queue = adapter->rx_ring[ring]->reg_idx;
2677                 else
2678                         queue = ((vf - 1) *
2679                                 adapter->num_rx_queues_per_pool) + ring;
2680         }
2681
2682         /* Don't allow indexes to exist outside of available space */
2683         if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2684                 e_err(drv, "Location out of range\n");
2685                 return -EINVAL;
2686         }
2687
2688         input = kzalloc(sizeof(*input), GFP_ATOMIC);
2689         if (!input)
2690                 return -ENOMEM;
2691
2692         memset(&mask, 0, sizeof(union ixgbe_atr_input));
2693
2694         /* set SW index */
2695         input->sw_idx = fsp->location;
2696
2697         /* record flow type */
2698         if (!ixgbe_flowspec_to_flow_type(fsp,
2699                                          &input->filter.formatted.flow_type)) {
2700                 e_err(drv, "Unrecognized flow type\n");
2701                 goto err_out;
2702         }
2703
2704         mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2705                                    IXGBE_ATR_L4TYPE_MASK;
2706
2707         if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2708                 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2709
2710         /* Copy input into formatted structures */
2711         input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2712         mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2713         input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2714         mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2715         input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2716         mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2717         input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2718         mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2719
2720         if (fsp->flow_type & FLOW_EXT) {
2721                 input->filter.formatted.vm_pool =
2722                                 (unsigned char)ntohl(fsp->h_ext.data[1]);
2723                 mask.formatted.vm_pool =
2724                                 (unsigned char)ntohl(fsp->m_ext.data[1]);
2725                 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2726                 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2727                 input->filter.formatted.flex_bytes =
2728                                                 fsp->h_ext.vlan_etype;
2729                 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2730         }
2731
2732         /* determine if we need to drop or route the packet */
2733         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2734                 input->action = IXGBE_FDIR_DROP_QUEUE;
2735         else
2736                 input->action = fsp->ring_cookie;
2737
2738         spin_lock(&adapter->fdir_perfect_lock);
2739
2740         if (hlist_empty(&adapter->fdir_filter_list)) {
2741                 /* save mask and program input mask into HW */
2742                 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2743                 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2744                 if (err) {
2745                         e_err(drv, "Error writing mask\n");
2746                         goto err_out_w_lock;
2747                 }
2748         } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2749                 e_err(drv, "Only one mask supported per port\n");
2750                 goto err_out_w_lock;
2751         }
2752
2753         /* apply mask and compute/store hash */
2754         ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2755
2756         /* program filters to filter memory */
2757         err = ixgbe_fdir_write_perfect_filter_82599(hw,
2758                                 &input->filter, input->sw_idx, queue);
2759         if (err)
2760                 goto err_out_w_lock;
2761
2762         ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2763
2764         spin_unlock(&adapter->fdir_perfect_lock);
2765
2766         return err;
2767 err_out_w_lock:
2768         spin_unlock(&adapter->fdir_perfect_lock);
2769 err_out:
2770         kfree(input);
2771         return -EINVAL;
2772 }
2773
2774 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2775                                         struct ethtool_rxnfc *cmd)
2776 {
2777         struct ethtool_rx_flow_spec *fsp =
2778                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2779         int err;
2780
2781         spin_lock(&adapter->fdir_perfect_lock);
2782         err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
2783         spin_unlock(&adapter->fdir_perfect_lock);
2784
2785         return err;
2786 }
2787
2788 #define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
2789                        IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2790 static int ixgbe_set_rss_hash_opt(struct ixgbe_adapter *adapter,
2791                                   struct ethtool_rxnfc *nfc)
2792 {
2793         u32 flags2 = adapter->flags2;
2794
2795         /*
2796          * RSS does not support anything other than hashing
2797          * to queues on src and dst IPs and ports
2798          */
2799         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2800                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2801                 return -EINVAL;
2802
2803         switch (nfc->flow_type) {
2804         case TCP_V4_FLOW:
2805         case TCP_V6_FLOW:
2806                 if (!(nfc->data & RXH_IP_SRC) ||
2807                     !(nfc->data & RXH_IP_DST) ||
2808                     !(nfc->data & RXH_L4_B_0_1) ||
2809                     !(nfc->data & RXH_L4_B_2_3))
2810                         return -EINVAL;
2811                 break;
2812         case UDP_V4_FLOW:
2813                 if (!(nfc->data & RXH_IP_SRC) ||
2814                     !(nfc->data & RXH_IP_DST))
2815                         return -EINVAL;
2816                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2817                 case 0:
2818                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2819                         break;
2820                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2821                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2822                         break;
2823                 default:
2824                         return -EINVAL;
2825                 }
2826                 break;
2827         case UDP_V6_FLOW:
2828                 if (!(nfc->data & RXH_IP_SRC) ||
2829                     !(nfc->data & RXH_IP_DST))
2830                         return -EINVAL;
2831                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2832                 case 0:
2833                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2834                         break;
2835                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2836                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2837                         break;
2838                 default:
2839                         return -EINVAL;
2840                 }
2841                 break;
2842         case AH_ESP_V4_FLOW:
2843         case AH_V4_FLOW:
2844         case ESP_V4_FLOW:
2845         case SCTP_V4_FLOW:
2846         case AH_ESP_V6_FLOW:
2847         case AH_V6_FLOW:
2848         case ESP_V6_FLOW:
2849         case SCTP_V6_FLOW:
2850                 if (!(nfc->data & RXH_IP_SRC) ||
2851                     !(nfc->data & RXH_IP_DST) ||
2852                     (nfc->data & RXH_L4_B_0_1) ||
2853                     (nfc->data & RXH_L4_B_2_3))
2854                         return -EINVAL;
2855                 break;
2856         default:
2857                 return -EINVAL;
2858         }
2859
2860         /* if we changed something we need to update flags */
2861         if (flags2 != adapter->flags2) {
2862                 struct ixgbe_hw *hw = &adapter->hw;
2863                 u32 mrqc;
2864                 unsigned int pf_pool = adapter->num_vfs;
2865
2866                 if ((hw->mac.type >= ixgbe_mac_X550) &&
2867                     (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
2868                         mrqc = IXGBE_READ_REG(hw, IXGBE_PFVFMRQC(pf_pool));
2869                 else
2870                         mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
2871
2872                 if ((flags2 & UDP_RSS_FLAGS) &&
2873                     !(adapter->flags2 & UDP_RSS_FLAGS))
2874                         e_warn(drv, "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
2875
2876                 adapter->flags2 = flags2;
2877
2878                 /* Perform hash on these packet types */
2879                 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
2880                       | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
2881                       | IXGBE_MRQC_RSS_FIELD_IPV6
2882                       | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
2883
2884                 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
2885                           IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
2886
2887                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2888                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
2889
2890                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2891                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
2892
2893                 if ((hw->mac.type >= ixgbe_mac_X550) &&
2894                     (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
2895                         IXGBE_WRITE_REG(hw, IXGBE_PFVFMRQC(pf_pool), mrqc);
2896                 else
2897                         IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
2898         }
2899
2900         return 0;
2901 }
2902
2903 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2904 {
2905         struct ixgbe_adapter *adapter = netdev_priv(dev);
2906         int ret = -EOPNOTSUPP;
2907
2908         switch (cmd->cmd) {
2909         case ETHTOOL_SRXCLSRLINS:
2910                 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
2911                 break;
2912         case ETHTOOL_SRXCLSRLDEL:
2913                 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
2914                 break;
2915         case ETHTOOL_SRXFH:
2916                 ret = ixgbe_set_rss_hash_opt(adapter, cmd);
2917                 break;
2918         default:
2919                 break;
2920         }
2921
2922         return ret;
2923 }
2924
2925 static int ixgbe_rss_indir_tbl_max(struct ixgbe_adapter *adapter)
2926 {
2927         if (adapter->hw.mac.type < ixgbe_mac_X550)
2928                 return 16;
2929         else
2930                 return 64;
2931 }
2932
2933 static u32 ixgbe_get_rxfh_key_size(struct net_device *netdev)
2934 {
2935         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2936
2937         return sizeof(adapter->rss_key);
2938 }
2939
2940 static u32 ixgbe_rss_indir_size(struct net_device *netdev)
2941 {
2942         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2943
2944         return ixgbe_rss_indir_tbl_entries(adapter);
2945 }
2946
2947 static void ixgbe_get_reta(struct ixgbe_adapter *adapter, u32 *indir)
2948 {
2949         int i, reta_size = ixgbe_rss_indir_tbl_entries(adapter);
2950         u16 rss_m = adapter->ring_feature[RING_F_RSS].mask;
2951
2952         if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
2953                 rss_m = adapter->ring_feature[RING_F_RSS].indices - 1;
2954
2955         for (i = 0; i < reta_size; i++)
2956                 indir[i] = adapter->rss_indir_tbl[i] & rss_m;
2957 }
2958
2959 static int ixgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2960                           u8 *hfunc)
2961 {
2962         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2963
2964         if (hfunc)
2965                 *hfunc = ETH_RSS_HASH_TOP;
2966
2967         if (indir)
2968                 ixgbe_get_reta(adapter, indir);
2969
2970         if (key)
2971                 memcpy(key, adapter->rss_key, ixgbe_get_rxfh_key_size(netdev));
2972
2973         return 0;
2974 }
2975
2976 static int ixgbe_set_rxfh(struct net_device *netdev, const u32 *indir,
2977                           const u8 *key, const u8 hfunc)
2978 {
2979         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2980         int i;
2981         u32 reta_entries = ixgbe_rss_indir_tbl_entries(adapter);
2982
2983         if (hfunc)
2984                 return -EINVAL;
2985
2986         /* Fill out the redirection table */
2987         if (indir) {
2988                 int max_queues = min_t(int, adapter->num_rx_queues,
2989                                        ixgbe_rss_indir_tbl_max(adapter));
2990
2991                 /*Allow at least 2 queues w/ SR-IOV.*/
2992                 if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) &&
2993                     (max_queues < 2))
2994                         max_queues = 2;
2995
2996                 /* Verify user input. */
2997                 for (i = 0; i < reta_entries; i++)
2998                         if (indir[i] >= max_queues)
2999                                 return -EINVAL;
3000
3001                 for (i = 0; i < reta_entries; i++)
3002                         adapter->rss_indir_tbl[i] = indir[i];
3003         }
3004
3005         /* Fill out the rss hash key */
3006         if (key)
3007                 memcpy(adapter->rss_key, key, ixgbe_get_rxfh_key_size(netdev));
3008
3009         ixgbe_store_reta(adapter);
3010
3011         return 0;
3012 }
3013
3014 static int ixgbe_get_ts_info(struct net_device *dev,
3015                              struct ethtool_ts_info *info)
3016 {
3017         struct ixgbe_adapter *adapter = netdev_priv(dev);
3018
3019         /* we always support timestamping disabled */
3020         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);
3021
3022         switch (adapter->hw.mac.type) {
3023         case ixgbe_mac_X550:
3024         case ixgbe_mac_X550EM_x:
3025         case ixgbe_mac_x550em_a:
3026                 info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);
3027                 /* fallthrough */
3028         case ixgbe_mac_X540:
3029         case ixgbe_mac_82599EB:
3030                 info->so_timestamping =
3031                         SOF_TIMESTAMPING_TX_SOFTWARE |
3032                         SOF_TIMESTAMPING_RX_SOFTWARE |
3033                         SOF_TIMESTAMPING_SOFTWARE |
3034                         SOF_TIMESTAMPING_TX_HARDWARE |
3035                         SOF_TIMESTAMPING_RX_HARDWARE |
3036                         SOF_TIMESTAMPING_RAW_HARDWARE;
3037
3038                 if (adapter->ptp_clock)
3039                         info->phc_index = ptp_clock_index(adapter->ptp_clock);
3040                 else
3041                         info->phc_index = -1;
3042
3043                 info->tx_types =
3044                         BIT(HWTSTAMP_TX_OFF) |
3045                         BIT(HWTSTAMP_TX_ON);
3046
3047                 info->rx_filters |=
3048                         BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
3049                         BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
3050                         BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
3051                 break;
3052         default:
3053                 return ethtool_op_get_ts_info(dev, info);
3054         }
3055         return 0;
3056 }
3057
3058 static unsigned int ixgbe_max_channels(struct ixgbe_adapter *adapter)
3059 {
3060         unsigned int max_combined;
3061         u8 tcs = netdev_get_num_tc(adapter->netdev);
3062
3063         if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
3064                 /* We only support one q_vector without MSI-X */
3065                 max_combined = 1;
3066         } else if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
3067                 /* Limit value based on the queue mask */
3068                 max_combined = adapter->ring_feature[RING_F_RSS].mask + 1;
3069         } else if (tcs > 1) {
3070                 /* For DCB report channels per traffic class */
3071                 if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
3072                         /* 8 TC w/ 4 queues per TC */
3073                         max_combined = 4;
3074                 } else if (tcs > 4) {
3075                         /* 8 TC w/ 8 queues per TC */
3076                         max_combined = 8;
3077                 } else {
3078                         /* 4 TC w/ 16 queues per TC */
3079                         max_combined = 16;
3080                 }
3081         } else if (adapter->atr_sample_rate) {
3082                 /* support up to 64 queues with ATR */
3083                 max_combined = IXGBE_MAX_FDIR_INDICES;
3084         } else {
3085                 /* support up to 16 queues with RSS */
3086                 max_combined = ixgbe_max_rss_indices(adapter);
3087         }
3088
3089         return max_combined;
3090 }
3091
3092 static void ixgbe_get_channels(struct net_device *dev,
3093                                struct ethtool_channels *ch)
3094 {
3095         struct ixgbe_adapter *adapter = netdev_priv(dev);
3096
3097         /* report maximum channels */
3098         ch->max_combined = ixgbe_max_channels(adapter);
3099
3100         /* report info for other vector */
3101         if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
3102                 ch->max_other = NON_Q_VECTORS;
3103                 ch->other_count = NON_Q_VECTORS;
3104         }
3105
3106         /* record RSS queues */
3107         ch->combined_count = adapter->ring_feature[RING_F_RSS].indices;
3108
3109         /* nothing else to report if RSS is disabled */
3110         if (ch->combined_count == 1)
3111                 return;
3112
3113         /* we do not support ATR queueing if SR-IOV is enabled */
3114         if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3115                 return;
3116
3117         /* same thing goes for being DCB enabled */
3118         if (netdev_get_num_tc(dev) > 1)
3119                 return;
3120
3121         /* if ATR is disabled we can exit */
3122         if (!adapter->atr_sample_rate)
3123                 return;
3124
3125         /* report flow director queues as maximum channels */
3126         ch->combined_count = adapter->ring_feature[RING_F_FDIR].indices;
3127 }
3128
3129 static int ixgbe_set_channels(struct net_device *dev,
3130                               struct ethtool_channels *ch)
3131 {
3132         struct ixgbe_adapter *adapter = netdev_priv(dev);
3133         unsigned int count = ch->combined_count;
3134         u8 max_rss_indices = ixgbe_max_rss_indices(adapter);
3135
3136         /* verify they are not requesting separate vectors */
3137         if (!count || ch->rx_count || ch->tx_count)
3138                 return -EINVAL;
3139
3140         /* verify other_count has not changed */
3141         if (ch->other_count != NON_Q_VECTORS)
3142                 return -EINVAL;
3143
3144         /* verify the number of channels does not exceed hardware limits */
3145         if (count > ixgbe_max_channels(adapter))
3146                 return -EINVAL;
3147
3148         /* update feature limits from largest to smallest supported values */
3149         adapter->ring_feature[RING_F_FDIR].limit = count;
3150
3151         /* cap RSS limit */
3152         if (count > max_rss_indices)
3153                 count = max_rss_indices;
3154         adapter->ring_feature[RING_F_RSS].limit = count;
3155
3156 #ifdef IXGBE_FCOE
3157         /* cap FCoE limit at 8 */
3158         if (count > IXGBE_FCRETA_SIZE)
3159                 count = IXGBE_FCRETA_SIZE;
3160         adapter->ring_feature[RING_F_FCOE].limit = count;
3161
3162 #endif
3163         /* use setup TC to update any traffic class queue mapping */
3164         return ixgbe_setup_tc(dev, netdev_get_num_tc(dev));
3165 }
3166
3167 static int ixgbe_get_module_info(struct net_device *dev,
3168                                        struct ethtool_modinfo *modinfo)
3169 {
3170         struct ixgbe_adapter *adapter = netdev_priv(dev);
3171         struct ixgbe_hw *hw = &adapter->hw;
3172         s32 status;
3173         u8 sff8472_rev, addr_mode;
3174         bool page_swap = false;
3175
3176         /* Check whether we support SFF-8472 or not */
3177         status = hw->phy.ops.read_i2c_eeprom(hw,
3178                                              IXGBE_SFF_SFF_8472_COMP,
3179                                              &sff8472_rev);
3180         if (status)
3181                 return -EIO;
3182
3183         /* addressing mode is not supported */
3184         status = hw->phy.ops.read_i2c_eeprom(hw,
3185                                              IXGBE_SFF_SFF_8472_SWAP,
3186                                              &addr_mode);
3187         if (status)
3188                 return -EIO;
3189
3190         if (addr_mode & IXGBE_SFF_ADDRESSING_MODE) {
3191                 e_err(drv, "Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
3192                 page_swap = true;
3193         }
3194
3195         if (sff8472_rev == IXGBE_SFF_SFF_8472_UNSUP || page_swap ||
3196             !(addr_mode & IXGBE_SFF_DDM_IMPLEMENTED)) {
3197                 /* We have a SFP, but it does not support SFF-8472 */
3198                 modinfo->type = ETH_MODULE_SFF_8079;
3199                 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3200         } else {
3201                 /* We have a SFP which supports a revision of SFF-8472. */
3202                 modinfo->type = ETH_MODULE_SFF_8472;
3203                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3204         }
3205
3206         return 0;
3207 }
3208
3209 static int ixgbe_get_module_eeprom(struct net_device *dev,
3210                                          struct ethtool_eeprom *ee,
3211                                          u8 *data)
3212 {
3213         struct ixgbe_adapter *adapter = netdev_priv(dev);
3214         struct ixgbe_hw *hw = &adapter->hw;
3215         s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
3216         u8 databyte = 0xFF;
3217         int i = 0;
3218
3219         if (ee->len == 0)
3220                 return -EINVAL;
3221
3222         for (i = ee->offset; i < ee->offset + ee->len; i++) {
3223                 /* I2C reads can take long time */
3224                 if (test_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
3225                         return -EBUSY;
3226
3227                 if (i < ETH_MODULE_SFF_8079_LEN)
3228                         status = hw->phy.ops.read_i2c_eeprom(hw, i, &databyte);
3229                 else
3230                         status = hw->phy.ops.read_i2c_sff8472(hw, i, &databyte);
3231
3232                 if (status)
3233                         return -EIO;
3234
3235                 data[i - ee->offset] = databyte;
3236         }
3237
3238         return 0;
3239 }
3240
3241 static const struct ethtool_ops ixgbe_ethtool_ops = {
3242         .get_settings           = ixgbe_get_settings,
3243         .set_settings           = ixgbe_set_settings,
3244         .get_drvinfo            = ixgbe_get_drvinfo,
3245         .get_regs_len           = ixgbe_get_regs_len,
3246         .get_regs               = ixgbe_get_regs,
3247         .get_wol                = ixgbe_get_wol,
3248         .set_wol                = ixgbe_set_wol,
3249         .nway_reset             = ixgbe_nway_reset,
3250         .get_link               = ethtool_op_get_link,
3251         .get_eeprom_len         = ixgbe_get_eeprom_len,
3252         .get_eeprom             = ixgbe_get_eeprom,
3253         .set_eeprom             = ixgbe_set_eeprom,
3254         .get_ringparam          = ixgbe_get_ringparam,
3255         .set_ringparam          = ixgbe_set_ringparam,
3256         .get_pauseparam         = ixgbe_get_pauseparam,
3257         .set_pauseparam         = ixgbe_set_pauseparam,
3258         .get_msglevel           = ixgbe_get_msglevel,
3259         .set_msglevel           = ixgbe_set_msglevel,
3260         .self_test              = ixgbe_diag_test,
3261         .get_strings            = ixgbe_get_strings,
3262         .set_phys_id            = ixgbe_set_phys_id,
3263         .get_sset_count         = ixgbe_get_sset_count,
3264         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
3265         .get_coalesce           = ixgbe_get_coalesce,
3266         .set_coalesce           = ixgbe_set_coalesce,
3267         .get_rxnfc              = ixgbe_get_rxnfc,
3268         .set_rxnfc              = ixgbe_set_rxnfc,
3269         .get_rxfh_indir_size    = ixgbe_rss_indir_size,
3270         .get_rxfh_key_size      = ixgbe_get_rxfh_key_size,
3271         .get_rxfh               = ixgbe_get_rxfh,
3272         .set_rxfh               = ixgbe_set_rxfh,
3273         .get_channels           = ixgbe_get_channels,
3274         .set_channels           = ixgbe_set_channels,
3275         .get_ts_info            = ixgbe_get_ts_info,
3276         .get_module_info        = ixgbe_get_module_info,
3277         .get_module_eeprom      = ixgbe_get_module_eeprom,
3278 };
3279
3280 void ixgbe_set_ethtool_ops(struct net_device *netdev)
3281 {
3282         netdev->ethtool_ops = &ixgbe_ethtool_ops;
3283 }