lib/librte_eal/linuxapp/kni/ethtool/ixgbe/ixgbe_ethtool.c

   1 /*******************************************************************************
   2
   3   Intel 10 Gigabit PCI Express Linux driver
   4   Copyright(c) 1999 - 2012 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 "LICENSE.GPL".
  21
  22   Contact Information:
  23   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  24   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25
  26 *******************************************************************************/
  27
  28 /* ethtool support for ixgbe */
  29
  30 #include <linux/types.h>
  31 #include <linux/module.h>
  32 #include <linux/pci.h>
  33 #include <linux/netdevice.h>
  34 #include <linux/ethtool.h>
  35 #include <linux/vmalloc.h>
  36 #include <linux/highmem.h>
  37 #ifdef SIOCETHTOOL
  38 #include <asm/uaccess.h>
  39
  40 #include "ixgbe.h"
  41
  42 #ifndef ETH_GSTRING_LEN
  43 #define ETH_GSTRING_LEN 32
  44 #endif
  45
  46 #define IXGBE_ALL_RAR_ENTRIES 16
  47
  48 #ifdef ETHTOOL_OPS_COMPAT
  49 #include "kcompat_ethtool.c"
  50 #endif
  51 #ifdef ETHTOOL_GSTATS
  52 struct ixgbe_stats {
  53         char stat_string[ETH_GSTRING_LEN];
  54         int sizeof_stat;
  55         int stat_offset;
  56 };
  57
  58 #define IXGBE_NETDEV_STAT(_net_stat) { \
  59         .stat_string = #_net_stat, \
  60         .sizeof_stat = FIELD_SIZEOF(struct net_device_stats, _net_stat), \
  61         .stat_offset = offsetof(struct net_device_stats, _net_stat) \
  62 }
  63 static const struct ixgbe_stats ixgbe_gstrings_net_stats[] = {
  64         IXGBE_NETDEV_STAT(rx_packets),
  65         IXGBE_NETDEV_STAT(tx_packets),
  66         IXGBE_NETDEV_STAT(rx_bytes),
  67         IXGBE_NETDEV_STAT(tx_bytes),
  68         IXGBE_NETDEV_STAT(rx_errors),
  69         IXGBE_NETDEV_STAT(tx_errors),
  70         IXGBE_NETDEV_STAT(rx_dropped),
  71         IXGBE_NETDEV_STAT(tx_dropped),
  72         IXGBE_NETDEV_STAT(multicast),
  73         IXGBE_NETDEV_STAT(collisions),
  74         IXGBE_NETDEV_STAT(rx_over_errors),
  75         IXGBE_NETDEV_STAT(rx_crc_errors),
  76         IXGBE_NETDEV_STAT(rx_frame_errors),
  77         IXGBE_NETDEV_STAT(rx_fifo_errors),
  78         IXGBE_NETDEV_STAT(rx_missed_errors),
  79         IXGBE_NETDEV_STAT(tx_aborted_errors),
  80         IXGBE_NETDEV_STAT(tx_carrier_errors),
  81         IXGBE_NETDEV_STAT(tx_fifo_errors),
  82         IXGBE_NETDEV_STAT(tx_heartbeat_errors),
  83 };
  84
  85 #define IXGBE_STAT(_name, _stat) { \
  86         .stat_string = _name, \
  87         .sizeof_stat = FIELD_SIZEOF(struct ixgbe_adapter, _stat), \
  88         .stat_offset = offsetof(struct ixgbe_adapter, _stat) \
  89 }
  90 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
  91         IXGBE_STAT("rx_pkts_nic", stats.gprc),
  92         IXGBE_STAT("tx_pkts_nic", stats.gptc),
  93         IXGBE_STAT("rx_bytes_nic", stats.gorc),
  94         IXGBE_STAT("tx_bytes_nic", stats.gotc),
  95         IXGBE_STAT("lsc_int", lsc_int),
  96         IXGBE_STAT("tx_busy", tx_busy),
  97         IXGBE_STAT("non_eop_descs", non_eop_descs),
  98 #ifndef CONFIG_IXGBE_NAPI
  99         IXGBE_STAT("rx_dropped_backlog", rx_dropped_backlog),
 100 #endif
 101         IXGBE_STAT("broadcast", stats.bprc),
 102         IXGBE_STAT("rx_no_buffer_count", stats.rnbc[0]) ,
 103         IXGBE_STAT("tx_timeout_count", tx_timeout_count),
 104         IXGBE_STAT("tx_restart_queue", restart_queue),
 105         IXGBE_STAT("rx_long_length_errors", stats.roc),
 106         IXGBE_STAT("rx_short_length_errors", stats.ruc),
 107         IXGBE_STAT("tx_flow_control_xon", stats.lxontxc),
 108         IXGBE_STAT("rx_flow_control_xon", stats.lxonrxc),
 109         IXGBE_STAT("tx_flow_control_xoff", stats.lxofftxc),
 110         IXGBE_STAT("rx_flow_control_xoff", stats.lxoffrxc),
 111         IXGBE_STAT("rx_csum_offload_errors", hw_csum_rx_error),
 112         IXGBE_STAT("alloc_rx_page_failed", alloc_rx_page_failed),
 113         IXGBE_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
 114 #ifndef IXGBE_NO_LRO
 115         IXGBE_STAT("lro_aggregated", lro_stats.coal),
 116         IXGBE_STAT("lro_flushed", lro_stats.flushed),
 117 #endif /* IXGBE_NO_LRO */
 118         IXGBE_STAT("rx_no_dma_resources", hw_rx_no_dma_resources),
 119         IXGBE_STAT("hw_rsc_aggregated", rsc_total_count),
 120         IXGBE_STAT("hw_rsc_flushed", rsc_total_flush),
 121 #ifdef HAVE_TX_MQ
 122         IXGBE_STAT("fdir_match", stats.fdirmatch),
 123         IXGBE_STAT("fdir_miss", stats.fdirmiss),
 124         IXGBE_STAT("fdir_overflow", fdir_overflow),
 125 #endif /* HAVE_TX_MQ */
 126 #ifdef IXGBE_FCOE
 127         IXGBE_STAT("fcoe_bad_fccrc", stats.fccrc),
 128         IXGBE_STAT("fcoe_last_errors", stats.fclast),
 129         IXGBE_STAT("rx_fcoe_dropped", stats.fcoerpdc),
 130         IXGBE_STAT("rx_fcoe_packets", stats.fcoeprc),
 131         IXGBE_STAT("rx_fcoe_dwords", stats.fcoedwrc),
 132         IXGBE_STAT("fcoe_noddp", stats.fcoe_noddp),
 133         IXGBE_STAT("fcoe_noddp_ext_buff", stats.fcoe_noddp_ext_buff),
 134         IXGBE_STAT("tx_fcoe_packets", stats.fcoeptc),
 135         IXGBE_STAT("tx_fcoe_dwords", stats.fcoedwtc),
 136 #endif /* IXGBE_FCOE */
 137         IXGBE_STAT("os2bmc_rx_by_bmc", stats.o2bgptc),
 138         IXGBE_STAT("os2bmc_tx_by_bmc", stats.b2ospc),
 139         IXGBE_STAT("os2bmc_tx_by_host", stats.o2bspc),
 140         IXGBE_STAT("os2bmc_rx_by_host", stats.b2ogprc),
 141 };
 142
 143 #define IXGBE_QUEUE_STATS_LEN \
 144         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
 145          ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
 146           (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 147 #define IXGBE_GLOBAL_STATS_LEN  ARRAY_SIZE(ixgbe_gstrings_stats)
 148 #define IXGBE_NETDEV_STATS_LEN  ARRAY_SIZE(ixgbe_gstrings_net_stats)
 149 #define IXGBE_PB_STATS_LEN ( \
 150                 (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
 151                  IXGBE_FLAG_DCB_ENABLED) ? \
 152                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 153                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 154                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 155                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 156                  / sizeof(u64) : 0)
 157 #define IXGBE_VF_STATS_LEN \
 158         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_vfs) * \
 159           (sizeof(struct vf_stats) / sizeof(u64)))
 160 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 161                          IXGBE_NETDEV_STATS_LEN + \
 162                          IXGBE_PB_STATS_LEN + \
 163                          IXGBE_QUEUE_STATS_LEN + \
 164                          IXGBE_VF_STATS_LEN)
 165
 166 #endif /* ETHTOOL_GSTATS */
 167 #ifdef ETHTOOL_TEST
 168 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
 169         "Register test  (offline)", "Eeprom test    (offline)",
 170         "Interrupt test (offline)", "Loopback test  (offline)",
 171         "Link test   (on/offline)"
 172 };
 173 #define IXGBE_TEST_LEN  (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
 174 #endif /* ETHTOOL_TEST */
 175
 176 #ifndef ETHTOOL_GLINKSETTINGS
 177 int ixgbe_get_settings(struct net_device *netdev,
 178                        struct ethtool_cmd *ecmd)
 179 {
 180         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 181         struct ixgbe_hw *hw = &adapter->hw;
 182         u32 link_speed = 0;
 183         bool link_up;
 184
 185         ecmd->supported = SUPPORTED_10000baseT_Full;
 186         ecmd->autoneg = AUTONEG_ENABLE;
 187         ecmd->transceiver = XCVR_EXTERNAL;
 188         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 189             (hw->phy.multispeed_fiber)) {
 190                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
 191                                     SUPPORTED_Autoneg);
 192                 switch (hw->mac.type) {
 193                 case ixgbe_mac_X540:
 194                         ecmd->supported |= SUPPORTED_100baseT_Full;
 195                         break;
 196                 default:
 197                         break;
 198                 }
 199
 200                 ecmd->advertising = ADVERTISED_Autoneg;
 201                 if (hw->phy.autoneg_advertised) {
 202                         if (hw->phy.autoneg_advertised &
 203                             IXGBE_LINK_SPEED_100_FULL)
 204                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 205                         if (hw->phy.autoneg_advertised &
 206                             IXGBE_LINK_SPEED_10GB_FULL)
 207                                 ecmd->advertising |= ADVERTISED_10000baseT_Full;
 208                         if (hw->phy.autoneg_advertised &
 209                             IXGBE_LINK_SPEED_1GB_FULL)
 210                                 ecmd->advertising |= ADVERTISED_1000baseT_Full;
 211                 } else {
 212                         /*
 213                          * Default advertised modes in case
 214                          * phy.autoneg_advertised isn't set.
 215                          */
 216                         ecmd->advertising |= (ADVERTISED_10000baseT_Full |
 217                                               ADVERTISED_1000baseT_Full);
 218                         if (hw->mac.type == ixgbe_mac_X540)
 219                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 220                 }
 221
 222                 if (hw->phy.media_type == ixgbe_media_type_copper) {
 223                         ecmd->supported |= SUPPORTED_TP;
 224                         ecmd->advertising |= ADVERTISED_TP;
 225                         ecmd->port = PORT_TP;
 226                 } else {
 227                         ecmd->supported |= SUPPORTED_FIBRE;
 228                         ecmd->advertising |= ADVERTISED_FIBRE;
 229                         ecmd->port = PORT_FIBRE;
 230                 }
 231         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
 232                 /* Set as FIBRE until SERDES defined in kernel */
 233                 if (hw->device_id == IXGBE_DEV_ID_82598_BX) {
 234                         ecmd->supported = (SUPPORTED_1000baseT_Full |
 235                                            SUPPORTED_FIBRE);
 236                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 237                                              ADVERTISED_FIBRE);
 238                         ecmd->port = PORT_FIBRE;
 239                         ecmd->autoneg = AUTONEG_DISABLE;
 240                 } else if ((hw->device_id == IXGBE_DEV_ID_82599_COMBO_BACKPLANE)
 241                           || (hw->device_id == IXGBE_DEV_ID_82599_KX4_MEZZ)) {
 242                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 243                                             SUPPORTED_Autoneg |
 244                                             SUPPORTED_FIBRE);
 245                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 246                                              ADVERTISED_1000baseT_Full |
 247                                              ADVERTISED_Autoneg |
 248                                              ADVERTISED_FIBRE);
 249                         ecmd->port = PORT_FIBRE;
 250                 } else {
 251                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 252                                             SUPPORTED_FIBRE);
 253                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 254                                              ADVERTISED_1000baseT_Full |
 255                                              ADVERTISED_FIBRE);
 256                         ecmd->port = PORT_FIBRE;
 257                 }
 258         } else {
 259                 ecmd->supported |= SUPPORTED_FIBRE;
 260                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 261                                      ADVERTISED_FIBRE);
 262                 ecmd->port = PORT_FIBRE;
 263                 ecmd->autoneg = AUTONEG_DISABLE;
 264         }
 265
 266 #ifdef HAVE_ETHTOOL_SFP_DISPLAY_PORT
 267         /* Get PHY type */
 268         switch (adapter->hw.phy.type) {
 269         case ixgbe_phy_tn:
 270         case ixgbe_phy_aq:
 271         case ixgbe_phy_cu_unknown:
 272                 /* Copper 10G-BASET */
 273                 ecmd->port = PORT_TP;
 274                 break;
 275         case ixgbe_phy_qt:
 276                 ecmd->port = PORT_FIBRE;
 277                 break;
 278         case ixgbe_phy_nl:
 279         case ixgbe_phy_sfp_passive_tyco:
 280         case ixgbe_phy_sfp_passive_unknown:
 281         case ixgbe_phy_sfp_ftl:
 282         case ixgbe_phy_sfp_avago:
 283         case ixgbe_phy_sfp_intel:
 284         case ixgbe_phy_sfp_unknown:
 285                 switch (adapter->hw.phy.sfp_type) {
 286                 /* SFP+ devices, further checking needed */
 287                 case ixgbe_sfp_type_da_cu:
 288                 case ixgbe_sfp_type_da_cu_core0:
 289                 case ixgbe_sfp_type_da_cu_core1:
 290                         ecmd->port = PORT_DA;
 291                         break;
 292                 case ixgbe_sfp_type_sr:
 293                 case ixgbe_sfp_type_lr:
 294                 case ixgbe_sfp_type_srlr_core0:
 295                 case ixgbe_sfp_type_srlr_core1:
 296                         ecmd->port = PORT_FIBRE;
 297                         break;
 298                 case ixgbe_sfp_type_not_present:
 299                         ecmd->port = PORT_NONE;
 300                         break;
 301                 case ixgbe_sfp_type_1g_cu_core0:
 302                 case ixgbe_sfp_type_1g_cu_core1:
 303                         ecmd->port = PORT_TP;
 304                         ecmd->supported = SUPPORTED_TP;
 305                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 306                                 ADVERTISED_TP);
 307                         break;
 308                 case ixgbe_sfp_type_1g_sx_core0:
 309                 case ixgbe_sfp_type_1g_sx_core1:
 310                         ecmd->port = PORT_FIBRE;
 311                         ecmd->supported = SUPPORTED_FIBRE;
 312                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 313                                 ADVERTISED_FIBRE);
 314                         break;
 315                 case ixgbe_sfp_type_unknown:
 316                 default:
 317                         ecmd->port = PORT_OTHER;
 318                         break;
 319                 }
 320                 break;
 321         case ixgbe_phy_xaui:
 322                 ecmd->port = PORT_NONE;
 323                 break;
 324         case ixgbe_phy_unknown:
 325         case ixgbe_phy_generic:
 326         case ixgbe_phy_sfp_unsupported:
 327         default:
 328                 ecmd->port = PORT_OTHER;
 329                 break;
 330         }
 331 #endif
 332
 333         if (!in_interrupt()) {
 334                 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 335         } else {
 336                 /*
 337                  * this case is a special workaround for RHEL5 bonding
 338                  * that calls this routine from interrupt context
 339                  */
 340                 link_speed = adapter->link_speed;
 341                 link_up = adapter->link_up;
 342         }
 343
 344         if (link_up) {
 345                 switch (link_speed) {
 346                 case IXGBE_LINK_SPEED_10GB_FULL:
 347                         ecmd->speed = SPEED_10000;
 348                         break;
 349                 case IXGBE_LINK_SPEED_1GB_FULL:
 350                         ecmd->speed = SPEED_1000;
 351                         break;
 352                 case IXGBE_LINK_SPEED_100_FULL:
 353                         ecmd->speed = SPEED_100;
 354                         break;
 355                 default:
 356                         break;
 357                 }
 358                 ecmd->duplex = DUPLEX_FULL;
 359         } else {
 360                 ecmd->speed = -1;
 361                 ecmd->duplex = -1;
 362         }
 363
 364         return 0;
 365 }
 366 #endif
 367
 368 #ifndef ETHTOOL_SLINKSETTINGS
 369 static int ixgbe_set_settings(struct net_device *netdev,
 370                               struct ethtool_cmd *ecmd)
 371 {
 372         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 373         struct ixgbe_hw *hw = &adapter->hw;
 374         u32 advertised, old;
 375         s32 err = 0;
 376
 377         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 378             (hw->phy.multispeed_fiber)) {
 379                 /*
 380                  * this function does not support duplex forcing, but can
 381                  * limit the advertising of the adapter to the specified speed
 382                  */
 383                 if (ecmd->autoneg == AUTONEG_DISABLE)
 384                         return -EINVAL;
 385
 386                 if (ecmd->advertising & ~ecmd->supported)
 387                         return -EINVAL;
 388
 389                 old = hw->phy.autoneg_advertised;
 390                 advertised = 0;
 391                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 392                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 393
 394                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 395                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 396
 397                 if (ecmd->advertising & ADVERTISED_100baseT_Full)
 398                         advertised |= IXGBE_LINK_SPEED_100_FULL;
 399
 400                 if (old == advertised)
 401                         return err;
 402                 /* this sets the link speed and restarts auto-neg */
 403                 hw->mac.autotry_restart = true;
 404                 err = hw->mac.ops.setup_link(hw, advertised, true, 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, true);
 408                 }
 409         }
 410         return err;
 411 }
 412 #endif
 413
 414 static void ixgbe_get_pauseparam(struct net_device *netdev,
 415                                  struct ethtool_pauseparam *pause)
 416 {
 417         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 418         struct ixgbe_hw *hw = &adapter->hw;
 419
 420         if (hw->fc.disable_fc_autoneg)
 421                 pause->autoneg = 0;
 422         else
 423                 pause->autoneg = 1;
 424
 425         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 426                 pause->rx_pause = 1;
 427         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 428                 pause->tx_pause = 1;
 429         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 430                 pause->rx_pause = 1;
 431                 pause->tx_pause = 1;
 432         }
 433 }
 434
 435 static int ixgbe_set_pauseparam(struct net_device *netdev,
 436                                 struct ethtool_pauseparam *pause)
 437 {
 438         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 439         struct ixgbe_hw *hw = &adapter->hw;
 440         struct ixgbe_fc_info fc = hw->fc;
 441
 442         /* 82598 does no support link flow control with DCB enabled */
 443         if ((hw->mac.type == ixgbe_mac_82598EB) &&
 444             (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
 445                 return -EINVAL;
 446
 447         fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
 448
 449         if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
 450                 fc.requested_mode = ixgbe_fc_full;
 451         else if (pause->rx_pause)
 452                 fc.requested_mode = ixgbe_fc_rx_pause;
 453         else if (pause->tx_pause)
 454                 fc.requested_mode = ixgbe_fc_tx_pause;
 455         else
 456                 fc.requested_mode = ixgbe_fc_none;
 457
 458         /* if the thing changed then we'll update and use new autoneg */
 459         if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
 460                 hw->fc = fc;
 461                 if (netif_running(netdev))
 462                         ixgbe_reinit_locked(adapter);
 463                 else
 464                         ixgbe_reset(adapter);
 465         }
 466
 467         return 0;
 468 }
 469
 470 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 471 {
 472         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 473         return adapter->msg_enable;
 474 }
 475
 476 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 477 {
 478         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 479         adapter->msg_enable = data;
 480 }
 481
 482 static int ixgbe_get_regs_len(struct net_device *netdev)
 483 {
 484 #define IXGBE_REGS_LEN  1129
 485         return IXGBE_REGS_LEN * sizeof(u32);
 486 }
 487
 488 #define IXGBE_GET_STAT(_A_, _R_)        (_A_->stats._R_)
 489
 490
 491 static void ixgbe_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 492                            void *p)
 493 {
 494         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 495         struct ixgbe_hw *hw = &adapter->hw;
 496         u32 *regs_buff = p;
 497         u8 i;
 498
 499         printk(KERN_DEBUG "ixgbe_get_regs_1\n");
 500         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 501         printk(KERN_DEBUG "ixgbe_get_regs_2 0x%p\n", hw->hw_addr);
 502
 503         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 504
 505         /* General Registers */
 506         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 507         printk(KERN_DEBUG "ixgbe_get_regs_3\n");
 508         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 509         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 510         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 511         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 512         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 513         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 514         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 515
 516         printk(KERN_DEBUG "ixgbe_get_regs_4\n");
 517
 518         /* NVM Register */
 519         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 520         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 521         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 522         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 523         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 524         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 525         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 526         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 527         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 528         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 529
 530         /* Interrupt */
 531         /* don't read EICR because it can clear interrupt causes, instead
 532          * read EICS which is a shadow but doesn't clear EICR */
 533         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 534         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 535         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 536         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 537         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 538         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 539         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 540         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 541         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 542         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 543         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 544         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 545
 546         /* Flow Control */
 547         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 548         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 549         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 550         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 551         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 552         for (i = 0; i < 8; i++) {
 553                 switch (hw->mac.type) {
 554                 case ixgbe_mac_82598EB:
 555                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 556                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 557                         break;
 558                 case ixgbe_mac_82599EB:
 559                 case ixgbe_mac_X540:
 560                         regs_buff[35 + i] = IXGBE_READ_REG(hw,
 561                                                           IXGBE_FCRTL_82599(i));
 562                         regs_buff[43 + i] = IXGBE_READ_REG(hw,
 563                                                           IXGBE_FCRTH_82599(i));
 564                         break;
 565                 default:
 566                         break;
 567                 }
 568         }
 569         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 570         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 571
 572         /* Receive DMA */
 573         for (i = 0; i < 64; i++)
 574                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 575         for (i = 0; i < 64; i++)
 576                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 577         for (i = 0; i < 64; i++)
 578                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 579         for (i = 0; i < 64; i++)
 580                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 581         for (i = 0; i < 64; i++)
 582                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 583         for (i = 0; i < 64; i++)
 584                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 585         for (i = 0; i < 16; i++)
 586                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 587         for (i = 0; i < 16; i++)
 588                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 589         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 590         for (i = 0; i < 8; i++)
 591                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 592         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 593         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 594
 595         /* Receive */
 596         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 597         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 598         for (i = 0; i < 16; i++)
 599                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 600         for (i = 0; i < 16; i++)
 601                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 602         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 603         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 604         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 605         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 606         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 607         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 608         for (i = 0; i < 8; i++)
 609                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 610         for (i = 0; i < 8; i++)
 611                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 612         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 613
 614         /* Transmit */
 615         for (i = 0; i < 32; i++)
 616                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 617         for (i = 0; i < 32; i++)
 618                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 619         for (i = 0; i < 32; i++)
 620                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 621         for (i = 0; i < 32; i++)
 622                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 623         for (i = 0; i < 32; i++)
 624                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 625         for (i = 0; i < 32; i++)
 626                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 627         for (i = 0; i < 32; i++)
 628                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 629         for (i = 0; i < 32; i++)
 630                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 631         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 632         for (i = 0; i < 16; i++)
 633                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 634         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 635         for (i = 0; i < 8; i++)
 636                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 637         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 638
 639         /* Wake Up */
 640         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 641         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 642         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 643         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 644         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 645         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 646         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 647         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 648         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 649
 650         /* DCB */
 651         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 652         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 653         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 654         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 655         for (i = 0; i < 8; i++)
 656                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 657         for (i = 0; i < 8; i++)
 658                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 659         for (i = 0; i < 8; i++)
 660                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 661         for (i = 0; i < 8; i++)
 662                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 663         for (i = 0; i < 8; i++)
 664                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 665         for (i = 0; i < 8; i++)
 666                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 667
 668         /* Statistics */
 669         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 670         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 671         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 672         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 673         for (i = 0; i < 8; i++)
 674                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 675         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 676         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 677         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 678         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 679         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 680         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 681         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 682         for (i = 0; i < 8; i++)
 683                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 684         for (i = 0; i < 8; i++)
 685                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 686         for (i = 0; i < 8; i++)
 687                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 688         for (i = 0; i < 8; i++)
 689                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 690         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 691         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 692         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 693         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 694         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 695         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 696         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 697         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 698         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 699         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 700         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 701         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 702         for (i = 0; i < 8; i++)
 703                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 704         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 705         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 706         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 707         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 708         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 709         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 710         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 711         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 712         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 713         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 714         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 715         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 716         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 717         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 718         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 719         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 720         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 721         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 722         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 723         for (i = 0; i < 16; i++)
 724                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 725         for (i = 0; i < 16; i++)
 726                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 727         for (i = 0; i < 16; i++)
 728                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 729         for (i = 0; i < 16; i++)
 730                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 731
 732         /* MAC */
 733         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 734         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 735         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 736         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 737         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 738         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 739         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 740         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 741         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 742         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 743         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 744         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 745         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 746         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 747         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 748         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 749         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 750         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 751         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 752         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 753         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 754         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 755         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 756         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 757         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 758         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 759         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 760         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 761         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 762         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 763         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 764         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 765         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 766
 767         /* Diagnostic */
 768         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 769         for (i = 0; i < 8; i++)
 770                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 771         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 772         for (i = 0; i < 4; i++)
 773                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 774         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 775         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 776         for (i = 0; i < 8; i++)
 777                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 778         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 779         for (i = 0; i < 4; i++)
 780                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 781         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 782         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 783         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 784         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 785         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 786         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 787         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 788         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 789         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 790         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 791         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 792         for (i = 0; i < 8; i++)
 793                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 794         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 795         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 796         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 797         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 798         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 799         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 800         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 801         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 802         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 803
 804         /* 82599 X540 specific registers  */
 805         regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
 806 }
 807
 808 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 809 {
 810         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 811         return adapter->hw.eeprom.word_size * 2;
 812 }
 813
 814 static int ixgbe_get_eeprom(struct net_device *netdev,
 815                             struct ethtool_eeprom *eeprom, u8 *bytes)
 816 {
 817         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 818         struct ixgbe_hw *hw = &adapter->hw;
 819         u16 *eeprom_buff;
 820         int first_word, last_word, eeprom_len;
 821         int ret_val = 0;
 822         u16 i;
 823
 824         if (eeprom->len == 0)
 825                 return -EINVAL;
 826
 827         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 828
 829         first_word = eeprom->offset >> 1;
 830         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 831         eeprom_len = last_word - first_word + 1;
 832
 833         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 834         if (!eeprom_buff)
 835                 return -ENOMEM;
 836
 837         ret_val = ixgbe_read_eeprom_buffer(hw, first_word, eeprom_len,
 838                                            eeprom_buff);
 839
 840         /* Device's eeprom is always little-endian, word addressable */
 841         for (i = 0; i < eeprom_len; i++)
 842                 le16_to_cpus(&eeprom_buff[i]);
 843
 844         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 845         kfree(eeprom_buff);
 846
 847         return ret_val;
 848 }
 849
 850 static int ixgbe_set_eeprom(struct net_device *netdev,
 851                             struct ethtool_eeprom *eeprom, u8 *bytes)
 852 {
 853         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 854         struct ixgbe_hw *hw = &adapter->hw;
 855         u16 *eeprom_buff;
 856         void *ptr;
 857         int max_len, first_word, last_word, ret_val = 0;
 858         u16 i;
 859
 860         if (eeprom->len == 0)
 861                 return -EINVAL;
 862
 863         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 864                 return -EINVAL;
 865
 866         max_len = hw->eeprom.word_size * 2;
 867
 868         first_word = eeprom->offset >> 1;
 869         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 870         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 871         if (!eeprom_buff)
 872                 return -ENOMEM;
 873
 874         ptr = eeprom_buff;
 875
 876         if (eeprom->offset & 1) {
 877                 /*
 878                  * need read/modify/write of first changed EEPROM word
 879                  * only the second byte of the word is being modified
 880                  */
 881                 ret_val = ixgbe_read_eeprom(hw, first_word, &eeprom_buff[0]);
 882                 if (ret_val)
 883                         goto err;
 884
 885                 ptr++;
 886         }
 887         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 888                 /*
 889                  * need read/modify/write of last changed EEPROM word
 890                  * only the first byte of the word is being modified
 891                  */
 892                 ret_val = ixgbe_read_eeprom(hw, last_word,
 893                                           &eeprom_buff[last_word - first_word]);
 894                 if (ret_val)
 895                         goto err;
 896         }
 897
 898         /* Device's eeprom is always little-endian, word addressable */
 899         for (i = 0; i < last_word - first_word + 1; i++)
 900                 le16_to_cpus(&eeprom_buff[i]);
 901
 902         memcpy(ptr, bytes, eeprom->len);
 903
 904         for (i = 0; i < last_word - first_word + 1; i++)
 905                 cpu_to_le16s(&eeprom_buff[i]);
 906
 907         ret_val = ixgbe_write_eeprom_buffer(hw, first_word,
 908                                             last_word - first_word + 1,
 909                                             eeprom_buff);
 910
 911         /* Update the checksum */
 912         if (ret_val == 0)
 913                 ixgbe_update_eeprom_checksum(hw);
 914
 915 err:
 916         kfree(eeprom_buff);
 917         return ret_val;
 918 }
 919
 920 static void ixgbe_get_drvinfo(struct net_device *netdev,
 921                               struct ethtool_drvinfo *drvinfo)
 922 {
 923         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 924
 925         strlcpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
 926
 927         strlcpy(drvinfo->version, ixgbe_driver_version,
 928                                 sizeof(drvinfo->version));
 929
 930         strlcpy(drvinfo->fw_version, adapter->eeprom_id,
 931                                 sizeof(drvinfo->fw_version));
 932
 933         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 934                                 sizeof(drvinfo->bus_info));
 935
 936         drvinfo->n_stats = IXGBE_STATS_LEN;
 937         drvinfo->testinfo_len = IXGBE_TEST_LEN;
 938         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 939 }
 940
 941 static void ixgbe_get_ringparam(struct net_device *netdev,
 942                                 struct ethtool_ringparam *ring)
 943 {
 944         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 945
 946         ring->rx_max_pending = IXGBE_MAX_RXD;
 947         ring->tx_max_pending = IXGBE_MAX_TXD;
 948         ring->rx_mini_max_pending = 0;
 949         ring->rx_jumbo_max_pending = 0;
 950         ring->rx_pending = adapter->rx_ring_count;
 951         ring->tx_pending = adapter->tx_ring_count;
 952         ring->rx_mini_pending = 0;
 953         ring->rx_jumbo_pending = 0;
 954 }
 955
 956 static int ixgbe_set_ringparam(struct net_device *netdev,
 957                                struct ethtool_ringparam *ring)
 958 {
 959         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 960         struct ixgbe_ring *tx_ring = NULL, *rx_ring = NULL;
 961         u32 new_rx_count, new_tx_count;
 962         int i, err = 0;
 963
 964         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 965                 return -EINVAL;
 966
 967         new_tx_count = clamp_t(u32, ring->tx_pending,
 968                                IXGBE_MIN_TXD, IXGBE_MAX_TXD);
 969         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 970
 971         new_rx_count = clamp_t(u32, ring->rx_pending,
 972                                IXGBE_MIN_RXD, IXGBE_MAX_RXD);
 973         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 974
 975         /* if nothing to do return success */
 976         if ((new_tx_count == adapter->tx_ring_count) &&
 977             (new_rx_count == adapter->rx_ring_count))
 978                 return 0;
 979
 980         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 981                 usleep_range(1000, 2000);
 982
 983         if (!netif_running(adapter->netdev)) {
 984                 for (i = 0; i < adapter->num_tx_queues; i++)
 985                         adapter->tx_ring[i]->count = new_tx_count;
 986                 for (i = 0; i < adapter->num_rx_queues; i++)
 987                         adapter->rx_ring[i]->count = new_rx_count;
 988                 adapter->tx_ring_count = new_tx_count;
 989                 adapter->rx_ring_count = new_rx_count;
 990                 goto clear_reset;
 991         }
 992
 993         /* alloc updated Tx resources */
 994         if (new_tx_count != adapter->tx_ring_count) {
 995                 tx_ring = vmalloc(adapter->num_tx_queues * sizeof(*tx_ring));
 996                 if (!tx_ring) {
 997                         err = -ENOMEM;
 998                         goto clear_reset;
 999                 }
1000
1001                 for (i = 0; i < adapter->num_tx_queues; i++) {
1002                         /* clone ring and setup updated count */
1003                         tx_ring[i] = *adapter->tx_ring[i];
1004                         tx_ring[i].count = new_tx_count;
1005                         err = ixgbe_setup_tx_resources(&tx_ring[i]);
1006                         if (err) {
1007                                 while (i) {
1008                                         i--;
1009                                         ixgbe_free_tx_resources(&tx_ring[i]);
1010                                 }
1011
1012                                 vfree(tx_ring);
1013                                 tx_ring = NULL;
1014
1015                                 goto clear_reset;
1016                         }
1017                 }
1018         }
1019
1020         /* alloc updated Rx resources */
1021         if (new_rx_count != adapter->rx_ring_count) {
1022                 rx_ring = vmalloc(adapter->num_rx_queues * sizeof(*rx_ring));
1023                 if (!rx_ring) {
1024                         err = -ENOMEM;
1025                         goto clear_reset;
1026                 }
1027
1028                 for (i = 0; i < adapter->num_rx_queues; i++) {
1029                         /* clone ring and setup updated count */
1030                         rx_ring[i] = *adapter->rx_ring[i];
1031                         rx_ring[i].count = new_rx_count;
1032                         err = ixgbe_setup_rx_resources(&rx_ring[i]);
1033                         if (err) {
1034                                 while (i) {
1035                                         i--;
1036                                         ixgbe_free_rx_resources(&rx_ring[i]);
1037                                 }
1038
1039                                 vfree(rx_ring);
1040                                 rx_ring = NULL;
1041
1042                                 goto clear_reset;
1043                         }
1044                 }
1045         }
1046
1047         /* bring interface down to prepare for update */
1048         ixgbe_down(adapter);
1049
1050         /* Tx */
1051         if (tx_ring) {
1052                 for (i = 0; i < adapter->num_tx_queues; i++) {
1053                         ixgbe_free_tx_resources(adapter->tx_ring[i]);
1054                         *adapter->tx_ring[i] = tx_ring[i];
1055                 }
1056                 adapter->tx_ring_count = new_tx_count;
1057
1058                 vfree(tx_ring);
1059                 tx_ring = NULL;
1060         }
1061
1062         /* Rx */
1063         if (rx_ring) {
1064                 for (i = 0; i < adapter->num_rx_queues; i++) {
1065                         ixgbe_free_rx_resources(adapter->rx_ring[i]);
1066                         *adapter->rx_ring[i] = rx_ring[i];
1067                 }
1068                 adapter->rx_ring_count = new_rx_count;
1069
1070                 vfree(rx_ring);
1071                 rx_ring = NULL;
1072         }
1073
1074         /* restore interface using new values */
1075         ixgbe_up(adapter);
1076
1077 clear_reset:
1078         /* free Tx resources if Rx error is encountered */
1079         if (tx_ring) {
1080                 for (i = 0; i < adapter->num_tx_queues; i++)
1081                         ixgbe_free_tx_resources(&tx_ring[i]);
1082                 vfree(tx_ring);
1083         }
1084
1085         clear_bit(__IXGBE_RESETTING, &adapter->state);
1086         return err;
1087 }
1088
1089 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
1090 static int ixgbe_get_stats_count(struct net_device *netdev)
1091 {
1092         return IXGBE_STATS_LEN;
1093 }
1094
1095 #else /* HAVE_ETHTOOL_GET_SSET_COUNT */
1096 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1097 {
1098         switch (sset) {
1099         case ETH_SS_TEST:
1100                 return IXGBE_TEST_LEN;
1101         case ETH_SS_STATS:
1102                 return IXGBE_STATS_LEN;
1103         default:
1104                 return -EOPNOTSUPP;
1105         }
1106 }
1107
1108 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
1109 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1110                                     struct ethtool_stats *stats, u64 *data)
1111 {
1112         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1113 #ifdef HAVE_NETDEV_STATS_IN_NETDEV
1114         struct net_device_stats *net_stats = &netdev->stats;
1115 #else
1116         struct net_device_stats *net_stats = &adapter->net_stats;
1117 #endif
1118         u64 *queue_stat;
1119         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
1120         int i, j, k;
1121         char *p;
1122
1123         printk(KERN_DEBUG "ixgbe_stats 0\n");
1124         ixgbe_update_stats(adapter);
1125         printk(KERN_DEBUG "ixgbe_stats 1\n");
1126
1127         for (i = 0; i < IXGBE_NETDEV_STATS_LEN; i++) {
1128                 p = (char *)net_stats + ixgbe_gstrings_net_stats[i].stat_offset;
1129                 data[i] = (ixgbe_gstrings_net_stats[i].sizeof_stat ==
1130                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1131         }
1132         for (j = 0; j < IXGBE_GLOBAL_STATS_LEN; j++, i++) {
1133                 p = (char *)adapter + ixgbe_gstrings_stats[j].stat_offset;
1134                 data[i] = (ixgbe_gstrings_stats[j].sizeof_stat ==
1135                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1136         }
1137         printk(KERN_DEBUG "ixgbe_stats 2\n");
1138 #ifdef NO_VNIC
1139         for (j = 0; j < adapter->num_tx_queues; j++) {
1140                 queue_stat = (u64 *)&adapter->tx_ring[j]->stats;
1141                 for (k = 0; k < stat_count; k++)
1142                         data[i + k] = queue_stat[k];
1143                 i += k;
1144         }
1145         for (j = 0; j < adapter->num_rx_queues; j++) {
1146                 queue_stat = (u64 *)&adapter->rx_ring[j]->stats;
1147                 for (k = 0; k < stat_count; k++)
1148                         data[i + k] = queue_stat[k];
1149                 i += k;
1150         }
1151         printk(KERN_DEBUG "ixgbe_stats 3\n");
1152 #endif
1153         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1154                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
1155                         data[i++] = adapter->stats.pxontxc[j];
1156                         data[i++] = adapter->stats.pxofftxc[j];
1157                 }
1158                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
1159                         data[i++] = adapter->stats.pxonrxc[j];
1160                         data[i++] = adapter->stats.pxoffrxc[j];
1161                 }
1162         }
1163         printk(KERN_DEBUG "ixgbe_stats 4\n");
1164         stat_count = sizeof(struct vf_stats) / sizeof(u64);
1165         for (j = 0; j < adapter->num_vfs; j++) {
1166                 queue_stat = (u64 *)&adapter->vfinfo[j].vfstats;
1167                 for (k = 0; k < stat_count; k++)
1168                         data[i + k] = queue_stat[k];
1169                 queue_stat = (u64 *)&adapter->vfinfo[j].saved_rst_vfstats;
1170                 for (k = 0; k < stat_count; k++)
1171                         data[i + k] += queue_stat[k];
1172                 i += k;
1173         }
1174 }
1175
1176 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1177                               u8 *data)
1178 {
1179         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1180         char *p = (char *)data;
1181         int i;
1182
1183         switch (stringset) {
1184         case ETH_SS_TEST:
1185                 memcpy(data, *ixgbe_gstrings_test,
1186                         IXGBE_TEST_LEN * ETH_GSTRING_LEN);
1187                 break;
1188         case ETH_SS_STATS:
1189                 for (i = 0; i < IXGBE_NETDEV_STATS_LEN; i++) {
1190                         memcpy(p, ixgbe_gstrings_net_stats[i].stat_string,
1191                                ETH_GSTRING_LEN);
1192                         p += ETH_GSTRING_LEN;
1193                 }
1194                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1195                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1196                                ETH_GSTRING_LEN);
1197                         p += ETH_GSTRING_LEN;
1198                 }
1199                 for (i = 0; i < adapter->num_tx_queues; i++) {
1200                         sprintf(p, "tx_queue_%u_packets", i);
1201                         p += ETH_GSTRING_LEN;
1202                         sprintf(p, "tx_queue_%u_bytes", i);
1203                         p += ETH_GSTRING_LEN;
1204                 }
1205                 for (i = 0; i < adapter->num_rx_queues; i++) {
1206                         sprintf(p, "rx_queue_%u_packets", i);
1207                         p += ETH_GSTRING_LEN;
1208                         sprintf(p, "rx_queue_%u_bytes", i);
1209                         p += ETH_GSTRING_LEN;
1210                 }
1211                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1212                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
1213                                 sprintf(p, "tx_pb_%u_pxon", i);
1214                                 p += ETH_GSTRING_LEN;
1215                                 sprintf(p, "tx_pb_%u_pxoff", i);
1216                                 p += ETH_GSTRING_LEN;
1217                         }
1218                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
1219                                 sprintf(p, "rx_pb_%u_pxon", i);
1220                                 p += ETH_GSTRING_LEN;
1221                                 sprintf(p, "rx_pb_%u_pxoff", i);
1222                                 p += ETH_GSTRING_LEN;
1223                         }
1224                 }
1225                 for (i = 0; i < adapter->num_vfs; i++) {
1226                         sprintf(p, "VF %d Rx Packets", i);
1227                         p += ETH_GSTRING_LEN;
1228                         sprintf(p, "VF %d Rx Bytes", i);
1229                         p += ETH_GSTRING_LEN;
1230                         sprintf(p, "VF %d Tx Packets", i);
1231                         p += ETH_GSTRING_LEN;
1232                         sprintf(p, "VF %d Tx Bytes", i);
1233                         p += ETH_GSTRING_LEN;
1234                         sprintf(p, "VF %d MC Packets", i);
1235                         p += ETH_GSTRING_LEN;
1236                 }
1237                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1238                 break;
1239         }
1240 }
1241
1242 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1243 {
1244         struct ixgbe_hw *hw = &adapter->hw;
1245         bool link_up;
1246         u32 link_speed = 0;
1247         *data = 0;
1248
1249         hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1250         if (link_up)
1251                 return *data;
1252         else
1253                 *data = 1;
1254         return *data;
1255 }
1256
1257 /* ethtool register test data */
1258 struct ixgbe_reg_test {
1259         u16 reg;
1260         u8  array_len;
1261         u8  test_type;
1262         u32 mask;
1263         u32 write;
1264 };
1265
1266 /* In the hardware, registers are laid out either singly, in arrays
1267  * spaced 0x40 bytes apart, or in contiguous tables.  We assume
1268  * most tests take place on arrays or single registers (handled
1269  * as a single-element array) and special-case the tables.
1270  * Table tests are always pattern tests.
1271  *
1272  * We also make provision for some required setup steps by specifying
1273  * registers to be written without any read-back testing.
1274  */
1275
1276 #define PATTERN_TEST    1
1277 #define SET_READ_TEST   2
1278 #define WRITE_NO_TEST   3
1279 #define TABLE32_TEST    4
1280 #define TABLE64_TEST_LO 5
1281 #define TABLE64_TEST_HI 6
1282
1283 /* default 82599 register test */
1284 static struct ixgbe_reg_test reg_test_82599[] = {
1285         { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1286         { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1287         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1288         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1289         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1290         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1291         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1292         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1293         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1294         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1295         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1296         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1297         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1298         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1299         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1300         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1301         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1302         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1303         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1304         { 0, 0, 0, 0 }
1305 };
1306
1307 /* default 82598 register test */
1308 static struct ixgbe_reg_test reg_test_82598[] = {
1309         { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1310         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1311         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1312         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1313         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1314         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1315         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1316         /* Enable all four RX queues before testing. */
1317         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1318         /* RDH is read-only for 82598, only test RDT. */
1319         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1320         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1321         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1322         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1323         { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1324         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1325         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1326         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1327         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1328         { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1329         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1330         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1331         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1332         { 0, 0, 0, 0 }
1333 };
1334
1335 #define REG_PATTERN_TEST(R, M, W)                                             \
1336 {                                                                             \
1337         u32 pat, val, before;                                                 \
1338         const u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
1339         for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {                       \
1340                 before = readl(adapter->hw.hw_addr + R);                      \
1341                 writel((_test[pat] & W), (adapter->hw.hw_addr + R));          \
1342                 val = readl(adapter->hw.hw_addr + R);                         \
1343                 if (val != (_test[pat] & W & M)) {                            \
1344                         e_err(drv, "pattern test reg %04X failed: got "       \
1345                               "0x%08X expected 0x%08X\n",                     \
1346                                 R, val, (_test[pat] & W & M));                \
1347                         *data = R;                                            \
1348                         writel(before, adapter->hw.hw_addr + R);              \
1349                         return 1;                                             \
1350                 }                                                             \
1351                 writel(before, adapter->hw.hw_addr + R);                      \
1352         }                                                                     \
1353 }
1354
1355 #define REG_SET_AND_CHECK(R, M, W)                                            \
1356 {                                                                             \
1357         u32 val, before;                                                      \
1358         before = readl(adapter->hw.hw_addr + R);                              \
1359         writel((W & M), (adapter->hw.hw_addr + R));                           \
1360         val = readl(adapter->hw.hw_addr + R);                                 \
1361         if ((W & M) != (val & M)) {                                           \
1362                 e_err(drv, "set/check reg %04X test failed: got 0x%08X "      \
1363                       "expected 0x%08X\n", R, (val & M), (W & M));            \
1364                 *data = R;                                                    \
1365                 writel(before, (adapter->hw.hw_addr + R));                    \
1366                 return 1;                                                     \
1367         }                                                                     \
1368         writel(before, (adapter->hw.hw_addr + R));                            \
1369 }
1370
1371 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1372 {
1373         struct ixgbe_reg_test *test;
1374         u32 value, status_before, status_after;
1375         u32 i, toggle;
1376
1377         switch (adapter->hw.mac.type) {
1378         case ixgbe_mac_82598EB:
1379                 toggle = 0x7FFFF3FF;
1380                 test = reg_test_82598;
1381                 break;
1382         case ixgbe_mac_82599EB:
1383         case ixgbe_mac_X540:
1384                 toggle = 0x7FFFF30F;
1385                 test = reg_test_82599;
1386                 break;
1387         default:
1388                 *data = 1;
1389                 return 1;
1390                 break;
1391         }
1392
1393         /*
1394          * Because the status register is such a special case,
1395          * we handle it separately from the rest of the register
1396          * tests.  Some bits are read-only, some toggle, and some
1397          * are writeable on newer MACs.
1398          */
1399         status_before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1400         value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1401         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1402         status_after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1403         if (value != status_after) {
1404                 e_err(drv, "failed STATUS register test got: "
1405                       "0x%08X expected: 0x%08X\n", status_after, value);
1406                 *data = 1;
1407                 return 1;
1408         }
1409         /* restore previous status */
1410         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, status_before);
1411
1412         /*
1413          * Perform the remainder of the register test, looping through
1414          * the test table until we either fail or reach the null entry.
1415          */
1416         while (test->reg) {
1417                 for (i = 0; i < test->array_len; i++) {
1418                         switch (test->test_type) {
1419                         case PATTERN_TEST:
1420                                 REG_PATTERN_TEST(test->reg + (i * 0x40),
1421                                                 test->mask,
1422                                                 test->write);
1423                                 break;
1424                         case SET_READ_TEST:
1425                                 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1426                                                 test->mask,
1427                                                 test->write);
1428                                 break;
1429                         case WRITE_NO_TEST:
1430                                 writel(test->write,
1431                                        (adapter->hw.hw_addr + test->reg)
1432                                        + (i * 0x40));
1433                                 break;
1434                         case TABLE32_TEST:
1435                                 REG_PATTERN_TEST(test->reg + (i * 4),
1436                                                 test->mask,
1437                                                 test->write);
1438                                 break;
1439                         case TABLE64_TEST_LO:
1440                                 REG_PATTERN_TEST(test->reg + (i * 8),
1441                                                 test->mask,
1442                                                 test->write);
1443                                 break;
1444                         case TABLE64_TEST_HI:
1445                                 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1446                                                 test->mask,
1447                                                 test->write);
1448                                 break;
1449                         }
1450                 }
1451                 test++;
1452         }
1453
1454         *data = 0;
1455         return 0;
1456 }
1457
1458 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1459 {
1460         if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL))
1461                 *data = 1;
1462         else
1463                 *data = 0;
1464         return *data;
1465 }
1466
1467 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1468 {
1469         struct net_device *netdev = (struct net_device *) data;
1470         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1471
1472         adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1473
1474         return IRQ_HANDLED;
1475 }
1476
1477 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1478 {
1479         struct net_device *netdev = adapter->netdev;
1480         u32 mask, i = 0, shared_int = true;
1481         u32 irq = adapter->pdev->irq;
1482
1483         *data = 0;
1484
1485         /* Hook up test interrupt handler just for this test */
1486         if (adapter->msix_entries) {
1487                 /* NOTE: we don't test MSI-X interrupts here, yet */
1488                 return 0;
1489         } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1490                 shared_int = false;
1491                 if (request_irq(irq, &ixgbe_test_intr, 0, netdev->name,
1492                                 netdev)) {
1493                         *data = 1;
1494                         return -1;
1495                 }
1496         } else if (!request_irq(irq, &ixgbe_test_intr, IRQF_PROBE_SHARED,
1497                                 netdev->name, netdev)) {
1498                 shared_int = false;
1499         } else if (request_irq(irq, &ixgbe_test_intr, IRQF_SHARED,
1500                                netdev->name, netdev)) {
1501                 *data = 1;
1502                 return -1;
1503         }
1504         e_info(hw, "testing %s interrupt\n",
1505                (shared_int ? "shared" : "unshared"));
1506
1507         /* Disable all the interrupts */
1508         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1509         IXGBE_WRITE_FLUSH(&adapter->hw);
1510         usleep_range(10000, 20000);
1511
1512         /* Test each interrupt */
1513         for (; i < 10; i++) {
1514                 /* Interrupt to test */
1515                 mask = 1 << i;
1516
1517                 if (!shared_int) {
1518                         /*
1519                          * Disable the interrupts to be reported in
1520                          * the cause register and then force the same
1521                          * interrupt and see if one gets posted.  If
1522                          * an interrupt was posted to the bus, the
1523                          * test failed.
1524                          */
1525                         adapter->test_icr = 0;
1526                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1527                                         ~mask & 0x00007FFF);
1528                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1529                                         ~mask & 0x00007FFF);
1530                         IXGBE_WRITE_FLUSH(&adapter->hw);
1531                         usleep_range(10000, 20000);
1532
1533                         if (adapter->test_icr & mask) {
1534                                 *data = 3;
1535                                 break;
1536                         }
1537                 }
1538
1539                 /*
1540                  * Enable the interrupt to be reported in the cause
1541                  * register and then force the same interrupt and see
1542                  * if one gets posted.  If an interrupt was not posted
1543                  * to the bus, the test failed.
1544                  */
1545                 adapter->test_icr = 0;
1546                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1547                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1548                 IXGBE_WRITE_FLUSH(&adapter->hw);
1549                 usleep_range(10000, 20000);
1550
1551                 if (!(adapter->test_icr & mask)) {
1552                         *data = 4;
1553                         break;
1554                 }
1555
1556                 if (!shared_int) {
1557                         /*
1558                          * Disable the other interrupts to be reported in
1559                          * the cause register and then force the other
1560                          * interrupts and see if any get posted.  If
1561                          * an interrupt was posted to the bus, the
1562                          * test failed.
1563                          */
1564                         adapter->test_icr = 0;
1565                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1566                                         ~mask & 0x00007FFF);
1567                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1568                                         ~mask & 0x00007FFF);
1569                         IXGBE_WRITE_FLUSH(&adapter->hw);
1570                         usleep_range(10000, 20000);
1571
1572                         if (adapter->test_icr) {
1573                                 *data = 5;
1574                                 break;
1575                         }
1576                 }
1577         }
1578
1579         /* Disable all the interrupts */
1580         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1581         IXGBE_WRITE_FLUSH(&adapter->hw);
1582         usleep_range(10000, 20000);
1583
1584         /* Unhook test interrupt handler */
1585         free_irq(irq, netdev);
1586
1587         return *data;
1588 }
1589
1590
1591
1592 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1593 {
1594         struct ixgbe_hw *hw = &adapter->hw;
1595         u32 reg_data;
1596
1597         /* X540 needs to set the MACC.FLU bit to force link up */
1598         if (adapter->hw.mac.type == ixgbe_mac_X540) {
1599                 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1600                 reg_data |= IXGBE_MACC_FLU;
1601                 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1602         }
1603
1604         /* right now we only support MAC loopback in the driver */
1605         reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1606         /* Setup MAC loopback */
1607         reg_data |= IXGBE_HLREG0_LPBK;
1608         IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1609
1610         reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1611         reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1612         IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1613
1614         reg_data = IXGBE_READ_REG(hw, IXGBE_AUTOC);
1615         reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1616         reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1617         IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1618         IXGBE_WRITE_FLUSH(hw);
1619         usleep_range(10000, 20000);
1620
1621         /* Disable Atlas Tx lanes; re-enabled in reset path */
1622         if (hw->mac.type == ixgbe_mac_82598EB) {
1623                 u8 atlas;
1624
1625                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1626                 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1627                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1628
1629                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1630                 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1631                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1632
1633                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1634                 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1635                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1636
1637                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1638                 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1639                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1640         }
1641
1642         return 0;
1643 }
1644
1645 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1646 {
1647         u32 reg_data;
1648
1649         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1650         reg_data &= ~IXGBE_HLREG0_LPBK;
1651         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1652 }
1653
1654
1655
1656
1657
1658
1659 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1660 {
1661
1662         //*data = ixgbe_setup_desc_rings(adapter);
1663         //if (*data)
1664         //      goto out;
1665         *data = ixgbe_setup_loopback_test(adapter);
1666         if (*data)
1667                 goto err_loopback;
1668         //*data = ixgbe_run_loopback_test(adapter);
1669         ixgbe_loopback_cleanup(adapter);
1670
1671 err_loopback:
1672         //ixgbe_free_desc_rings(adapter);
1673 //out:
1674         return *data;
1675
1676 }
1677
1678 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
1679 static int ixgbe_diag_test_count(struct net_device *netdev)
1680 {
1681         return IXGBE_TEST_LEN;
1682 }
1683
1684 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
1685 static void ixgbe_diag_test(struct net_device *netdev,
1686                             struct ethtool_test *eth_test, u64 *data)
1687 {
1688         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1689         bool if_running = netif_running(netdev);
1690
1691         set_bit(__IXGBE_TESTING, &adapter->state);
1692         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1693                 /* Offline tests */
1694
1695                 e_info(hw, "offline testing starting\n");
1696
1697                 /* Link test performed before hardware reset so autoneg doesn't
1698                  * interfere with test result */
1699                 if (ixgbe_link_test(adapter, &data[4]))
1700                         eth_test->flags |= ETH_TEST_FL_FAILED;
1701
1702                 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1703                         int i;
1704                         for (i = 0; i < adapter->num_vfs; i++) {
1705                                 if (adapter->vfinfo[i].clear_to_send) {
1706                                         e_warn(drv, "Please take active VFS "
1707                                                "offline and restart the "
1708                                                "adapter before running NIC "
1709                                                "diagnostics\n");
1710                                         data[0] = 1;
1711                                         data[1] = 1;
1712                                         data[2] = 1;
1713                                         data[3] = 1;
1714                                         eth_test->flags |= ETH_TEST_FL_FAILED;
1715                                         clear_bit(__IXGBE_TESTING,
1716                                                   &adapter->state);
1717                                         goto skip_ol_tests;
1718                                 }
1719                         }
1720                 }
1721
1722                 if (if_running)
1723                         /* indicate we're in test mode */
1724                         dev_close(netdev);
1725                 else
1726                         ixgbe_reset(adapter);
1727
1728                 e_info(hw, "register testing starting\n");
1729                 if (ixgbe_reg_test(adapter, &data[0]))
1730                         eth_test->flags |= ETH_TEST_FL_FAILED;
1731
1732                 ixgbe_reset(adapter);
1733                 e_info(hw, "eeprom testing starting\n");
1734                 if (ixgbe_eeprom_test(adapter, &data[1]))
1735                         eth_test->flags |= ETH_TEST_FL_FAILED;
1736
1737                 ixgbe_reset(adapter);
1738                 e_info(hw, "interrupt testing starting\n");
1739                 if (ixgbe_intr_test(adapter, &data[2]))
1740                         eth_test->flags |= ETH_TEST_FL_FAILED;
1741
1742                 /* If SRIOV or VMDq is enabled then skip MAC
1743                  * loopback diagnostic. */
1744                 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
1745                                       IXGBE_FLAG_VMDQ_ENABLED)) {
1746                         e_info(hw, "skip MAC loopback diagnostic in VT mode\n");
1747                         data[3] = 0;
1748                         goto skip_loopback;
1749                 }
1750
1751                 ixgbe_reset(adapter);
1752                 e_info(hw, "loopback testing starting\n");
1753                 if (ixgbe_loopback_test(adapter, &data[3]))
1754                         eth_test->flags |= ETH_TEST_FL_FAILED;
1755
1756 skip_loopback:
1757                 ixgbe_reset(adapter);
1758
1759                 clear_bit(__IXGBE_TESTING, &adapter->state);
1760                 if (if_running)
1761                         dev_open(netdev);
1762         } else {
1763                 e_info(hw, "online testing starting\n");
1764                 /* Online tests */
1765                 if (ixgbe_link_test(adapter, &data[4]))
1766                         eth_test->flags |= ETH_TEST_FL_FAILED;
1767
1768                 /* Online tests aren't run; pass by default */
1769                 data[0] = 0;
1770                 data[1] = 0;
1771                 data[2] = 0;
1772                 data[3] = 0;
1773
1774                 clear_bit(__IXGBE_TESTING, &adapter->state);
1775         }
1776 skip_ol_tests:
1777         msleep_interruptible(4 * 1000);
1778 }
1779
1780 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1781                                struct ethtool_wolinfo *wol)
1782 {
1783         struct ixgbe_hw *hw = &adapter->hw;
1784         int retval = 1;
1785         u16 wol_cap = adapter->eeprom_cap & IXGBE_DEVICE_CAPS_WOL_MASK;
1786
1787         /* WOL not supported except for the following */
1788         switch (hw->device_id) {
1789         case IXGBE_DEV_ID_82599_SFP:
1790                 /* Only these subdevice could supports WOL */
1791                 switch (hw->subsystem_device_id) {
1792                 case IXGBE_SUBDEV_ID_82599_560FLR:
1793                         /* only support first port */
1794                         if (hw->bus.func != 0) {
1795                                 wol->supported = 0;
1796                                 break;
1797                         }
1798                 case IXGBE_SUBDEV_ID_82599_SFP:
1799                         retval = 0;
1800                         break;
1801                 default:
1802                         wol->supported = 0;
1803                         break;
1804                 }
1805                 break;
1806         case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
1807                 /* All except this subdevice support WOL */
1808                 if (hw->subsystem_device_id ==
1809                     IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) {
1810                         wol->supported = 0;
1811                         break;
1812                 }
1813                 retval = 0;
1814                 break;
1815         case IXGBE_DEV_ID_82599_KX4:
1816                 retval = 0;
1817                 break;
1818         case IXGBE_DEV_ID_X540T:
1819                 /* check eeprom to see if enabled wol */
1820                 if ((wol_cap == IXGBE_DEVICE_CAPS_WOL_PORT0_1) ||
1821                     ((wol_cap == IXGBE_DEVICE_CAPS_WOL_PORT0) &&
1822                      (hw->bus.func == 0))) {
1823                         retval = 0;
1824                         break;
1825                 }
1826
1827                 /* All others not supported */
1828                 wol->supported = 0;
1829                 break;
1830         default:
1831                 wol->supported = 0;
1832         }
1833         return retval;
1834 }
1835
1836 static void ixgbe_get_wol(struct net_device *netdev,
1837                           struct ethtool_wolinfo *wol)
1838 {
1839         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1840
1841         wol->supported = WAKE_UCAST | WAKE_MCAST |
1842                          WAKE_BCAST | WAKE_MAGIC;
1843         wol->wolopts = 0;
1844
1845         if (ixgbe_wol_exclusion(adapter, wol) ||
1846             !device_can_wakeup(&adapter->pdev->dev))
1847                 return;
1848
1849         if (adapter->wol & IXGBE_WUFC_EX)
1850                 wol->wolopts |= WAKE_UCAST;
1851         if (adapter->wol & IXGBE_WUFC_MC)
1852                 wol->wolopts |= WAKE_MCAST;
1853         if (adapter->wol & IXGBE_WUFC_BC)
1854                 wol->wolopts |= WAKE_BCAST;
1855         if (adapter->wol & IXGBE_WUFC_MAG)
1856                 wol->wolopts |= WAKE_MAGIC;
1857 }
1858
1859 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1860 {
1861         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1862
1863         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1864                 return -EOPNOTSUPP;
1865
1866         if (ixgbe_wol_exclusion(adapter, wol))
1867                 return wol->wolopts ? -EOPNOTSUPP : 0;
1868
1869         adapter->wol = 0;
1870
1871         if (wol->wolopts & WAKE_UCAST)
1872                 adapter->wol |= IXGBE_WUFC_EX;
1873         if (wol->wolopts & WAKE_MCAST)
1874                 adapter->wol |= IXGBE_WUFC_MC;
1875         if (wol->wolopts & WAKE_BCAST)
1876                 adapter->wol |= IXGBE_WUFC_BC;
1877         if (wol->wolopts & WAKE_MAGIC)
1878                 adapter->wol |= IXGBE_WUFC_MAG;
1879
1880         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1881
1882         return 0;
1883 }
1884
1885 static int ixgbe_nway_reset(struct net_device *netdev)
1886 {
1887         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1888
1889         if (netif_running(netdev))
1890                 ixgbe_reinit_locked(adapter);
1891
1892         return 0;
1893 }
1894
1895 #ifdef HAVE_ETHTOOL_SET_PHYS_ID
1896 static int ixgbe_set_phys_id(struct net_device *netdev,
1897                              enum ethtool_phys_id_state state)
1898 {
1899         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1900         struct ixgbe_hw *hw = &adapter->hw;
1901
1902         switch (state) {
1903         case ETHTOOL_ID_ACTIVE:
1904                 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1905                 return 2;
1906
1907         case ETHTOOL_ID_ON:
1908                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1909                 break;
1910
1911         case ETHTOOL_ID_OFF:
1912                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1913                 break;
1914
1915         case ETHTOOL_ID_INACTIVE:
1916                 /* Restore LED settings */
1917                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
1918                 break;
1919         }
1920
1921         return 0;
1922 }
1923 #else
1924 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1925 {
1926         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1927         struct ixgbe_hw *hw = &adapter->hw;
1928         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1929         u32 i;
1930
1931         if (!data || data > 300)
1932                 data = 300;
1933
1934         for (i = 0; i < (data * 1000); i += 400) {
1935                 ixgbe_led_on(hw, IXGBE_LED_ON);
1936                 msleep_interruptible(200);
1937                 ixgbe_led_off(hw, IXGBE_LED_ON);
1938                 msleep_interruptible(200);
1939         }
1940
1941         /* Restore LED settings */
1942         IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
1943
1944         return 0;
1945 }
1946 #endif /* HAVE_ETHTOOL_SET_PHYS_ID */
1947
1948 static int ixgbe_get_coalesce(struct net_device *netdev,
1949                               struct ethtool_coalesce *ec)
1950 {
1951         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1952
1953         ec->tx_max_coalesced_frames_irq = adapter->tx_work_limit;
1954 #ifndef CONFIG_IXGBE_NAPI
1955         ec->rx_max_coalesced_frames_irq = adapter->rx_work_limit;
1956 #endif /* CONFIG_IXGBE_NAPI */
1957         /* only valid if in constant ITR mode */
1958         if (adapter->rx_itr_setting <= 1)
1959                 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
1960         else
1961                 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
1962
1963         /* if in mixed tx/rx queues per vector mode, report only rx settings */
1964         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
1965                 return 0;
1966
1967         /* only valid if in constant ITR mode */
1968         if (adapter->tx_itr_setting <= 1)
1969                 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
1970         else
1971                 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
1972
1973         return 0;
1974 }
1975
1976 /*
1977  * this function must be called before setting the new value of
1978  * rx_itr_setting
1979  */
1980 #ifdef NO_VNIC
1981 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
1982 {
1983         struct net_device *netdev = adapter->netdev;
1984
1985         /* nothing to do if LRO or RSC are not enabled */
1986         if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
1987             !(netdev->features & NETIF_F_LRO))
1988                 return false;
1989
1990         /* check the feature flag value and enable RSC if necessary */
1991         if (adapter->rx_itr_setting == 1 ||
1992             adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
1993                 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
1994                         adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
1995                         e_info(probe, "rx-usecs value high enough "
1996                                       "to re-enable RSC\n");
1997                         return true;
1998                 }
1999         /* if interrupt rate is too high then disable RSC */
2000         } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2001                 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2002 #ifdef IXGBE_NO_LRO
2003                 e_info(probe, "rx-usecs set too low, disabling RSC\n");
2004 #else
2005                 e_info(probe, "rx-usecs set too low, "
2006                               "falling back to software LRO\n");
2007 #endif
2008                 return true;
2009         }
2010         return false;
2011 }
2012 #endif
2013
2014 static int ixgbe_set_coalesce(struct net_device *netdev,
2015                               struct ethtool_coalesce *ec)
2016 {
2017 #ifdef NO_VNIC
2018         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2019         struct ixgbe_q_vector *q_vector;
2020         int i;
2021         int num_vectors;
2022         u16 tx_itr_param, rx_itr_param;
2023         bool need_reset = false;
2024
2025         /* don't accept tx specific changes if we've got mixed RxTx vectors */
2026         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count
2027             && ec->tx_coalesce_usecs)
2028                 return -EINVAL;
2029
2030         if (ec->tx_max_coalesced_frames_irq)
2031                 adapter->tx_work_limit = ec->tx_max_coalesced_frames_irq;
2032
2033 #ifndef CONFIG_IXGBE_NAPI
2034         if (ec->rx_max_coalesced_frames_irq)
2035                 adapter->rx_work_limit = ec->rx_max_coalesced_frames_irq;
2036
2037 #endif
2038         if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2039             (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2040                 return -EINVAL;
2041
2042         if (ec->rx_coalesce_usecs > 1)
2043                 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2044         else
2045                 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2046
2047         if (adapter->rx_itr_setting == 1)
2048                 rx_itr_param = IXGBE_20K_ITR;
2049         else
2050                 rx_itr_param = adapter->rx_itr_setting;
2051
2052         if (ec->tx_coalesce_usecs > 1)
2053                 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2054         else
2055                 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2056
2057         if (adapter->tx_itr_setting == 1)
2058                 tx_itr_param = IXGBE_10K_ITR;
2059         else
2060                 tx_itr_param = adapter->tx_itr_setting;
2061
2062         /* check the old value and enable RSC if necessary */
2063         need_reset = ixgbe_update_rsc(adapter);
2064
2065         if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED)
2066                 num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
2067         else
2068                 num_vectors = 1;
2069
2070         for (i = 0; i < num_vectors; i++) {
2071                 q_vector = adapter->q_vector[i];
2072                 q_vector->tx.work_limit = adapter->tx_work_limit;
2073                 q_vector->rx.work_limit = adapter->rx_work_limit;
2074                 if (q_vector->tx.count && !q_vector->rx.count)
2075                         /* tx only */
2076                         q_vector->itr = tx_itr_param;
2077                 else
2078                         /* rx only or mixed */
2079                         q_vector->itr = rx_itr_param;
2080                 ixgbe_write_eitr(q_vector);
2081         }
2082
2083         /*
2084          * do reset here at the end to make sure EITR==0 case is handled
2085          * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2086          * also locks in RSC enable/disable which requires reset
2087          */
2088         if (need_reset)
2089                 ixgbe_do_reset(netdev);
2090 #endif
2091         return 0;
2092 }
2093
2094 #ifndef HAVE_NDO_SET_FEATURES
2095 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
2096 {
2097         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2098         struct ixgbe_ring *ring = adapter->rx_ring[0];
2099         return test_bit(__IXGBE_RX_CSUM_ENABLED, &ring->state);
2100 }
2101
2102 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
2103 {
2104         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2105         int i;
2106
2107         for (i = 0; i < adapter->num_rx_queues; i++) {
2108                 struct ixgbe_ring *ring = adapter->rx_ring[i];
2109                 if (data)
2110                         set_bit(__IXGBE_RX_CSUM_ENABLED, &ring->state);
2111                 else
2112                         clear_bit(__IXGBE_RX_CSUM_ENABLED, &ring->state);
2113         }
2114
2115         /* LRO and RSC both depend on RX checksum to function */
2116         if (!data && (netdev->features & NETIF_F_LRO)) {
2117                 netdev->features &= ~NETIF_F_LRO;
2118
2119                 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2120                         adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2121                         ixgbe_do_reset(netdev);
2122                 }
2123         }
2124
2125         return 0;
2126 }
2127
2128 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
2129 {
2130         return (netdev->features & NETIF_F_IP_CSUM) != 0;
2131 }
2132
2133 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
2134 {
2135         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2136         u32 feature_list;
2137
2138 #ifdef NETIF_F_IPV6_CSUM
2139         feature_list = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
2140 #else
2141         feature_list = NETIF_F_IP_CSUM;
2142 #endif
2143         switch (adapter->hw.mac.type) {
2144         case ixgbe_mac_82599EB:
2145         case ixgbe_mac_X540:
2146                 feature_list |= NETIF_F_SCTP_CSUM;
2147                 break;
2148         default:
2149                 break;
2150         }
2151         if (data)
2152                 netdev->features |= feature_list;
2153         else
2154                 netdev->features &= ~feature_list;
2155
2156         return 0;
2157 }
2158
2159 #ifdef NETIF_F_TSO
2160 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
2161 {
2162         if (data) {
2163                 netdev->features |= NETIF_F_TSO;
2164 #ifdef NETIF_F_TSO6
2165                 netdev->features |= NETIF_F_TSO6;
2166 #endif
2167         } else {
2168 #ifndef HAVE_NETDEV_VLAN_FEATURES
2169 #ifdef NETIF_F_HW_VLAN_TX
2170                 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2171                 /* disable TSO on all VLANs if they're present */
2172                 if (adapter->vlgrp) {
2173                         int i;
2174                         struct net_device *v_netdev;
2175                         for (i = 0; i < VLAN_N_VID; i++) {
2176                                 v_netdev =
2177                                        vlan_group_get_device(adapter->vlgrp, i);
2178                                 if (v_netdev) {
2179                                         v_netdev->features &= ~NETIF_F_TSO;
2180 #ifdef NETIF_F_TSO6
2181                                         v_netdev->features &= ~NETIF_F_TSO6;
2182 #endif
2183                                         vlan_group_set_device(adapter->vlgrp, i,
2184                                                               v_netdev);
2185                                 }
2186                         }
2187                 }
2188 #endif
2189 #endif /* HAVE_NETDEV_VLAN_FEATURES */
2190                 netdev->features &= ~NETIF_F_TSO;
2191 #ifdef NETIF_F_TSO6
2192                 netdev->features &= ~NETIF_F_TSO6;
2193 #endif
2194         }
2195         return 0;
2196 }
2197
2198 #endif /* NETIF_F_TSO */
2199 #ifdef ETHTOOL_GFLAGS
2200 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
2201 {
2202         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2203         u32 supported_flags = ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN;
2204         u32 changed = netdev->features ^ data;
2205         bool need_reset = false;
2206         int rc;
2207
2208 #ifndef HAVE_VLAN_RX_REGISTER
2209         if ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) &&
2210             !(data & ETH_FLAG_RXVLAN))
2211                 return -EINVAL;
2212
2213 #endif
2214 #ifdef NETIF_F_RXHASH
2215         if (adapter->flags & IXGBE_FLAG_RSS_ENABLED)
2216                 supported_flags |= ETH_FLAG_RXHASH;
2217 #endif
2218 #ifdef IXGBE_NO_LRO
2219         if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE)
2220 #endif
2221                 supported_flags |= ETH_FLAG_LRO;
2222
2223 #ifdef ETHTOOL_GRXRINGS
2224         switch (adapter->hw.mac.type) {
2225         case ixgbe_mac_X540:
2226         case ixgbe_mac_82599EB:
2227                 supported_flags |= ETH_FLAG_NTUPLE;
2228         default:
2229                 break;
2230         }
2231
2232 #endif
2233         rc = ethtool_op_set_flags(netdev, data, supported_flags);
2234         if (rc)
2235                 return rc;
2236
2237 #ifndef HAVE_VLAN_RX_REGISTER
2238         if (changed & ETH_FLAG_RXVLAN)
2239                 ixgbe_vlan_mode(netdev, netdev->features);
2240
2241 #endif
2242         /* if state changes we need to update adapter->flags and reset */
2243         if (!(netdev->features & NETIF_F_LRO)) {
2244                 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
2245                         need_reset = true;
2246                 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2247         } else if ((adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) &&
2248                    !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2249                 if (adapter->rx_itr_setting == 1 ||
2250                     adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2251                         adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2252                         need_reset = true;
2253                 } else if (changed & ETH_FLAG_LRO) {
2254 #ifdef IXGBE_NO_LRO
2255                         e_info(probe, "rx-usecs set too low, "
2256                                "disabling RSC\n");
2257 #else
2258                         e_info(probe, "rx-usecs set too low, "
2259                                "falling back to software LRO\n");
2260 #endif
2261                 }
2262         }
2263
2264 #ifdef ETHTOOL_GRXRINGS
2265         /*
2266          * Check if Flow Director n-tuple support was enabled or disabled.  If
2267          * the state changed, we need to reset.
2268          */
2269         if (!(netdev->features & NETIF_F_NTUPLE)) {
2270                 if (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) {
2271                         /* turn off Flow Director, set ATR and reset */
2272                         if ((adapter->flags & IXGBE_FLAG_RSS_ENABLED) &&
2273                             !(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
2274                                 adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
2275                         need_reset = true;
2276                 }
2277                 adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2278         } else if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) {
2279                 /* turn off ATR, enable perfect filters and reset */
2280                 adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
2281                 adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2282                 need_reset = true;
2283         }
2284
2285 #endif /* ETHTOOL_GRXRINGS */
2286         if (need_reset)
2287                 ixgbe_do_reset(netdev);
2288
2289         return 0;
2290 }
2291
2292 #endif /* ETHTOOL_GFLAGS */
2293 #endif /* HAVE_NDO_SET_FEATURES */
2294 #ifdef ETHTOOL_GRXRINGS
2295 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2296                                         struct ethtool_rxnfc *cmd)
2297 {
2298         union ixgbe_atr_input *mask = &adapter->fdir_mask;
2299         struct ethtool_rx_flow_spec *fsp =
2300                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2301         struct hlist_node *node, *node2;
2302         struct ixgbe_fdir_filter *rule = NULL;
2303
2304         /* report total rule count */
2305         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2306
2307         hlist_for_each_entry_safe(rule, node, node2,
2308                                   &adapter->fdir_filter_list, fdir_node) {
2309                 if (fsp->location <= rule->sw_idx)
2310                         break;
2311         }
2312
2313         if (!rule || fsp->location != rule->sw_idx)
2314                 return -EINVAL;
2315
2316         /* fill out the flow spec entry */
2317
2318         /* set flow type field */
2319         switch (rule->filter.formatted.flow_type) {
2320         case IXGBE_ATR_FLOW_TYPE_TCPV4:
2321                 fsp->flow_type = TCP_V4_FLOW;
2322                 break;
2323         case IXGBE_ATR_FLOW_TYPE_UDPV4:
2324                 fsp->flow_type = UDP_V4_FLOW;
2325                 break;
2326         case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2327                 fsp->flow_type = SCTP_V4_FLOW;
2328                 break;
2329         case IXGBE_ATR_FLOW_TYPE_IPV4:
2330                 fsp->flow_type = IP_USER_FLOW;
2331                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2332                 fsp->h_u.usr_ip4_spec.proto = 0;
2333                 fsp->m_u.usr_ip4_spec.proto = 0;
2334                 break;
2335         default:
2336                 return -EINVAL;
2337         }
2338
2339         fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2340         fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2341         fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2342         fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2343         fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2344         fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2345         fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2346         fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2347         fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2348         fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2349         fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2350         fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2351         fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2352         fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2353         fsp->flow_type |= FLOW_EXT;
2354
2355         /* record action */
2356         if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2357                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2358         else
2359                 fsp->ring_cookie = rule->action;
2360
2361         return 0;
2362 }
2363
2364 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2365                                       struct ethtool_rxnfc *cmd,
2366                                       u32 *rule_locs)
2367 {
2368         struct hlist_node *node, *node2;
2369         struct ixgbe_fdir_filter *rule;
2370         int cnt = 0;
2371
2372         /* report total rule count */
2373         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2374
2375         hlist_for_each_entry_safe(rule, node, node2,
2376                                   &adapter->fdir_filter_list, fdir_node) {
2377                 if (cnt == cmd->rule_cnt)
2378                         return -EMSGSIZE;
2379                 rule_locs[cnt] = rule->sw_idx;
2380                 cnt++;
2381         }
2382
2383         cmd->rule_cnt = cnt;
2384
2385         return 0;
2386 }
2387
2388 static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter,
2389                                    struct ethtool_rxnfc *cmd)
2390 {
2391         cmd->data = 0;
2392
2393         /* if RSS is disabled then report no hashing */
2394         if (!(adapter->flags & IXGBE_FLAG_RSS_ENABLED))
2395                 return 0;
2396
2397         /* Report default options for RSS on ixgbe */
2398         switch (cmd->flow_type) {
2399         case TCP_V4_FLOW:
2400                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2401         case UDP_V4_FLOW:
2402                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2403                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2404         case SCTP_V4_FLOW:
2405         case AH_ESP_V4_FLOW:
2406         case AH_V4_FLOW:
2407         case ESP_V4_FLOW:
2408         case IPV4_FLOW:
2409                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2410                 break;
2411         case TCP_V6_FLOW:
2412                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2413         case UDP_V6_FLOW:
2414                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2415                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2416         case SCTP_V6_FLOW:
2417         case AH_ESP_V6_FLOW:
2418         case AH_V6_FLOW:
2419         case ESP_V6_FLOW:
2420         case IPV6_FLOW:
2421                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2422                 break;
2423         default:
2424                 return -EINVAL;
2425         }
2426
2427         return 0;
2428 }
2429
2430 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2431 #ifdef HAVE_ETHTOOL_GET_RXNFC_VOID_RULE_LOCS
2432                            void *rule_locs)
2433 #else
2434                            u32 *rule_locs)
2435 #endif
2436 {
2437         struct ixgbe_adapter *adapter = netdev_priv(dev);
2438         int ret = -EOPNOTSUPP;
2439
2440         switch (cmd->cmd) {
2441         case ETHTOOL_GRXRINGS:
2442                 cmd->data = adapter->num_rx_queues;
2443                 ret = 0;
2444                 break;
2445         case ETHTOOL_GRXCLSRLCNT:
2446                 cmd->rule_cnt = adapter->fdir_filter_count;
2447                 ret = 0;
2448                 break;
2449         case ETHTOOL_GRXCLSRULE:
2450                 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2451                 break;
2452         case ETHTOOL_GRXCLSRLALL:
2453                 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd,
2454                                                  (u32 *)rule_locs);
2455                 break;
2456         case ETHTOOL_GRXFH:
2457                 ret = ixgbe_get_rss_hash_opts(adapter, cmd);
2458                 break;
2459         default:
2460                 break;
2461         }
2462
2463         return ret;
2464 }
2465
2466 static int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2467                                            struct ixgbe_fdir_filter *input,
2468                                            u16 sw_idx)
2469 {
2470         struct ixgbe_hw *hw = &adapter->hw;
2471         struct hlist_node *node, *node2, *parent;
2472         struct ixgbe_fdir_filter *rule;
2473         int err = -EINVAL;
2474
2475         parent = NULL;
2476         rule = NULL;
2477
2478         hlist_for_each_entry_safe(rule, node, node2,
2479                                   &adapter->fdir_filter_list, fdir_node) {
2480                 /* hash found, or no matching entry */
2481                 if (rule->sw_idx >= sw_idx)
2482                         break;
2483                 parent = node;
2484         }
2485
2486         /* if there is an old rule occupying our place remove it */
2487         if (rule && (rule->sw_idx == sw_idx)) {
2488                 if (!input || (rule->filter.formatted.bkt_hash !=
2489                                input->filter.formatted.bkt_hash)) {
2490                         err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2491                                                                 &rule->filter,
2492                                                                 sw_idx);
2493                 }
2494
2495                 hlist_del(&rule->fdir_node);
2496                 kfree(rule);
2497                 adapter->fdir_filter_count--;
2498         }
2499
2500         /*
2501          * If no input this was a delete, err should be 0 if a rule was
2502          * successfully found and removed from the list else -EINVAL
2503          */
2504         if (!input)
2505                 return err;
2506
2507         /* initialize node and set software index */
2508         INIT_HLIST_NODE(&input->fdir_node);
2509
2510         /* add filter to the list */
2511         if (parent)
2512                 hlist_add_after(parent, &input->fdir_node);
2513         else
2514                 hlist_add_head(&input->fdir_node,
2515                                &adapter->fdir_filter_list);
2516
2517         /* update counts */
2518         adapter->fdir_filter_count++;
2519
2520         return 0;
2521 }
2522
2523 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2524                                        u8 *flow_type)
2525 {
2526         switch (fsp->flow_type & ~FLOW_EXT) {
2527         case TCP_V4_FLOW:
2528                 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2529                 break;
2530         case UDP_V4_FLOW:
2531                 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2532                 break;
2533         case SCTP_V4_FLOW:
2534                 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2535                 break;
2536         case IP_USER_FLOW:
2537                 switch (fsp->h_u.usr_ip4_spec.proto) {
2538                 case IPPROTO_TCP:
2539                         *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2540                         break;
2541                 case IPPROTO_UDP:
2542                         *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2543                         break;
2544                 case IPPROTO_SCTP:
2545                         *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2546                         break;
2547                 case 0:
2548                         if (!fsp->m_u.usr_ip4_spec.proto) {
2549                                 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2550                                 break;
2551                         }
2552                 default:
2553                         return 0;
2554                 }
2555                 break;
2556         default:
2557                 return 0;
2558         }
2559
2560         return 1;
2561 }
2562
2563 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2564                                         struct ethtool_rxnfc *cmd)
2565 {
2566         struct ethtool_rx_flow_spec *fsp =
2567                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2568         struct ixgbe_hw *hw = &adapter->hw;
2569         struct ixgbe_fdir_filter *input;
2570         union ixgbe_atr_input mask;
2571         int err;
2572
2573         if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2574                 return -EOPNOTSUPP;
2575
2576         /*
2577          * Don't allow programming if the action is a queue greater than
2578          * the number of online Rx queues.
2579          */
2580         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2581             (fsp->ring_cookie >= adapter->num_rx_queues))
2582                 return -EINVAL;
2583
2584         /* Don't allow indexes to exist outside of available space */
2585         if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2586                 e_err(drv, "Location out of range\n");
2587                 return -EINVAL;
2588         }
2589
2590         input = kzalloc(sizeof(*input), GFP_ATOMIC);
2591         if (!input)
2592                 return -ENOMEM;
2593
2594         memset(&mask, 0, sizeof(union ixgbe_atr_input));
2595
2596         /* set SW index */
2597         input->sw_idx = fsp->location;
2598
2599         /* record flow type */
2600         if (!ixgbe_flowspec_to_flow_type(fsp,
2601                                          &input->filter.formatted.flow_type)) {
2602                 e_err(drv, "Unrecognized flow type\n");
2603                 goto err_out;
2604         }
2605
2606         mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2607                                    IXGBE_ATR_L4TYPE_MASK;
2608
2609         if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2610                 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2611
2612         /* Copy input into formatted structures */
2613         input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2614         mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2615         input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2616         mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2617         input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2618         mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2619         input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2620         mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2621
2622         if (fsp->flow_type & FLOW_EXT) {
2623                 input->filter.formatted.vm_pool =
2624                                 (unsigned char)ntohl(fsp->h_ext.data[1]);
2625                 mask.formatted.vm_pool =
2626                                 (unsigned char)ntohl(fsp->m_ext.data[1]);
2627                 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2628                 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2629                 input->filter.formatted.flex_bytes =
2630                                                 fsp->h_ext.vlan_etype;
2631                 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2632         }
2633
2634         /* determine if we need to drop or route the packet */
2635         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2636                 input->action = IXGBE_FDIR_DROP_QUEUE;
2637         else
2638                 input->action = fsp->ring_cookie;
2639
2640         spin_lock(&adapter->fdir_perfect_lock);
2641
2642         if (hlist_empty(&adapter->fdir_filter_list)) {
2643                 /* save mask and program input mask into HW */
2644                 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2645                 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2646                 if (err) {
2647                         e_err(drv, "Error writing mask\n");
2648                         goto err_out_w_lock;
2649                 }
2650         } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2651                 e_err(drv, "Only one mask supported per port\n");
2652                 goto err_out_w_lock;
2653         }
2654
2655         /* apply mask and compute/store hash */
2656         ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2657
2658         /* program filters to filter memory */
2659         err = ixgbe_fdir_write_perfect_filter_82599(hw,
2660                                 &input->filter, input->sw_idx,
2661                                 (input->action == IXGBE_FDIR_DROP_QUEUE) ?
2662                                 IXGBE_FDIR_DROP_QUEUE :
2663                                 adapter->rx_ring[input->action]->reg_idx);
2664         if (err)
2665                 goto err_out_w_lock;
2666
2667         ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2668
2669         spin_unlock(&adapter->fdir_perfect_lock);
2670
2671         kfree(input);
2672         return err;
2673 err_out_w_lock:
2674         spin_unlock(&adapter->fdir_perfect_lock);
2675 err_out:
2676         kfree(input);
2677         return -EINVAL;
2678 }
2679
2680 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2681                                         struct ethtool_rxnfc *cmd)
2682 {
2683         struct ethtool_rx_flow_spec *fsp =
2684                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2685         int err;
2686
2687         spin_lock(&adapter->fdir_perfect_lock);
2688         err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, (u16)(fsp->location));
2689         spin_unlock(&adapter->fdir_perfect_lock);
2690
2691         return err;
2692 }
2693
2694 #ifdef ETHTOOL_SRXNTUPLE
2695 /*
2696  * We need to keep this around for kernels 2.6.33 - 2.6.39 in order to avoid
2697  * a null pointer dereference as it was assumend if the NETIF_F_NTUPLE flag
2698  * was defined that this function was present.
2699  */
2700 static int ixgbe_set_rx_ntuple(struct net_device *dev,
2701                                struct ethtool_rx_ntuple *cmd)
2702 {
2703         return -EOPNOTSUPP;
2704 }
2705
2706 #endif
2707 #define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
2708                        IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2709 static int ixgbe_set_rss_hash_opt(struct ixgbe_adapter *adapter,
2710                                   struct ethtool_rxnfc *nfc)
2711 {
2712         u32 flags2 = adapter->flags2;
2713
2714         /*
2715          * RSS does not support anything other than hashing
2716          * to queues on src and dst IPs and ports
2717          */
2718         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2719                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2720                 return -EINVAL;
2721
2722         switch (nfc->flow_type) {
2723         case TCP_V4_FLOW:
2724         case TCP_V6_FLOW:
2725                 if (!(nfc->data & RXH_IP_SRC) ||
2726                     !(nfc->data & RXH_IP_DST) ||
2727                     !(nfc->data & RXH_L4_B_0_1) ||
2728                     !(nfc->data & RXH_L4_B_2_3))
2729                         return -EINVAL;
2730                 break;
2731         case UDP_V4_FLOW:
2732                 if (!(nfc->data & RXH_IP_SRC) ||
2733                     !(nfc->data & RXH_IP_DST))
2734                         return -EINVAL;
2735                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2736                 case 0:
2737                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2738                         break;
2739                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2740                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2741                         break;
2742                 default:
2743                         return -EINVAL;
2744                 }
2745                 break;
2746         case UDP_V6_FLOW:
2747                 if (!(nfc->data & RXH_IP_SRC) ||
2748                     !(nfc->data & RXH_IP_DST))
2749                         return -EINVAL;
2750                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2751                 case 0:
2752                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2753                         break;
2754                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2755                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2756                         break;
2757                 default:
2758                         return -EINVAL;
2759                 }
2760                 break;
2761         case AH_ESP_V4_FLOW:
2762         case AH_V4_FLOW:
2763         case ESP_V4_FLOW:
2764         case SCTP_V4_FLOW:
2765         case AH_ESP_V6_FLOW:
2766         case AH_V6_FLOW:
2767         case ESP_V6_FLOW:
2768         case SCTP_V6_FLOW:
2769                 if (!(nfc->data & RXH_IP_SRC) ||
2770                     !(nfc->data & RXH_IP_DST) ||
2771                     (nfc->data & RXH_L4_B_0_1) ||
2772                     (nfc->data & RXH_L4_B_2_3))
2773                         return -EINVAL;
2774                 break;
2775         default:
2776                 return -EINVAL;
2777         }
2778
2779         /* if we changed something we need to update flags */
2780         if (flags2 != adapter->flags2) {
2781                 struct ixgbe_hw *hw = &adapter->hw;
2782                 u32 mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
2783
2784                 if ((flags2 & UDP_RSS_FLAGS) &&
2785                     !(adapter->flags2 & UDP_RSS_FLAGS))
2786                         e_warn(drv, "enabling UDP RSS: fragmented packets"
2787                                " may arrive out of order to the stack above\n");
2788
2789                 adapter->flags2 = flags2;
2790
2791                 /* Perform hash on these packet types */
2792                 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
2793                       | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
2794                       | IXGBE_MRQC_RSS_FIELD_IPV6
2795                       | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
2796
2797                 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
2798                           IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
2799
2800                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2801                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
2802
2803                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2804                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
2805
2806                 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
2807         }
2808
2809         return 0;
2810 }
2811
2812 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2813 {
2814         struct ixgbe_adapter *adapter = netdev_priv(dev);
2815         int ret = -EOPNOTSUPP;
2816
2817         switch (cmd->cmd) {
2818         case ETHTOOL_SRXCLSRLINS:
2819                 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
2820                 break;
2821         case ETHTOOL_SRXCLSRLDEL:
2822                 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
2823                 break;
2824         case ETHTOOL_SRXFH:
2825                 ret = ixgbe_set_rss_hash_opt(adapter, cmd);
2826                 break;
2827         default:
2828                 break;
2829         }
2830
2831         return ret;
2832 }
2833
2834 #endif /* ETHTOOL_GRXRINGS */
2835 //static
2836 struct ethtool_ops ixgbe_ethtool_ops = {
2837 #ifndef ETHTOOL_GLINKSETTINGS
2838         .get_settings           = ixgbe_get_settings,
2839 #endif
2840 #ifndef ETHTOOL_SLINKSETTINGS
2841         .set_settings           = ixgbe_set_settings,
2842 #endif
2843         .get_drvinfo            = ixgbe_get_drvinfo,
2844         .get_regs_len           = ixgbe_get_regs_len,
2845         .get_regs               = ixgbe_get_regs,
2846         .get_wol                = ixgbe_get_wol,
2847         .set_wol                = ixgbe_set_wol,
2848         .nway_reset             = ixgbe_nway_reset,
2849         .get_link               = ethtool_op_get_link,
2850         .get_eeprom_len         = ixgbe_get_eeprom_len,
2851         .get_eeprom             = ixgbe_get_eeprom,
2852         .set_eeprom             = ixgbe_set_eeprom,
2853         .get_ringparam          = ixgbe_get_ringparam,
2854         .set_ringparam          = ixgbe_set_ringparam,
2855         .get_pauseparam         = ixgbe_get_pauseparam,
2856         .set_pauseparam         = ixgbe_set_pauseparam,
2857         .get_msglevel           = ixgbe_get_msglevel,
2858         .set_msglevel           = ixgbe_set_msglevel,
2859 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
2860         .self_test_count        = ixgbe_diag_test_count,
2861 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
2862         .self_test              = ixgbe_diag_test,
2863         .get_strings            = ixgbe_get_strings,
2864 #ifdef HAVE_ETHTOOL_SET_PHYS_ID
2865         .set_phys_id            = ixgbe_set_phys_id,
2866 #else
2867         .phys_id                = ixgbe_phys_id,
2868 #endif /* HAVE_ETHTOOL_SET_PHYS_ID */
2869 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
2870         .get_stats_count        = ixgbe_get_stats_count,
2871 #else /* HAVE_ETHTOOL_GET_SSET_COUNT */
2872         .get_sset_count         = ixgbe_get_sset_count,
2873 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
2874         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
2875 #ifdef HAVE_ETHTOOL_GET_PERM_ADDR
2876         .get_perm_addr          = ethtool_op_get_perm_addr,
2877 #endif
2878         .get_coalesce           = ixgbe_get_coalesce,
2879         .set_coalesce           = ixgbe_set_coalesce,
2880 #ifndef HAVE_NDO_SET_FEATURES
2881         .get_rx_csum            = ixgbe_get_rx_csum,
2882         .set_rx_csum            = ixgbe_set_rx_csum,
2883         .get_tx_csum            = ixgbe_get_tx_csum,
2884         .set_tx_csum            = ixgbe_set_tx_csum,
2885         .get_sg                 = ethtool_op_get_sg,
2886         .set_sg                 = ethtool_op_set_sg,
2887 #ifdef NETIF_F_TSO
2888         .get_tso                = ethtool_op_get_tso,
2889         .set_tso                = ixgbe_set_tso,
2890 #endif
2891 #ifdef ETHTOOL_GFLAGS
2892         .get_flags              = ethtool_op_get_flags,
2893         .set_flags              = ixgbe_set_flags,
2894 #endif
2895 #endif /* HAVE_NDO_SET_FEATURES */
2896 #ifdef ETHTOOL_GRXRINGS
2897         .get_rxnfc              = ixgbe_get_rxnfc,
2898         .set_rxnfc              = ixgbe_set_rxnfc,
2899 #ifdef ETHTOOL_SRXNTUPLE
2900         .set_rx_ntuple          = ixgbe_set_rx_ntuple,
2901 #endif
2902 #endif
2903 };
2904
2905 void ixgbe_set_ethtool_ops(struct net_device *netdev)
2906 {
2907         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
2908 }
2909 #endif /* SIOCETHTOOL */