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 int ixgbe_get_settings(struct net_device *netdev,
 177                        struct ethtool_cmd *ecmd)
 178 {
 179         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 180         struct ixgbe_hw *hw = &adapter->hw;
 181         u32 link_speed = 0;
 182         bool link_up;
 183
 184         ecmd->supported = SUPPORTED_10000baseT_Full;
 185         ecmd->autoneg = AUTONEG_ENABLE;
 186         ecmd->transceiver = XCVR_EXTERNAL;
 187         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 188             (hw->phy.multispeed_fiber)) {
 189                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
 190                                     SUPPORTED_Autoneg);
 191                 switch (hw->mac.type) {
 192                 case ixgbe_mac_X540:
 193                         ecmd->supported |= SUPPORTED_100baseT_Full;
 194                         break;
 195                 default:
 196                         break;
 197                 }
 198
 199                 ecmd->advertising = ADVERTISED_Autoneg;
 200                 if (hw->phy.autoneg_advertised) {
 201                         if (hw->phy.autoneg_advertised &
 202                             IXGBE_LINK_SPEED_100_FULL)
 203                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 204                         if (hw->phy.autoneg_advertised &
 205                             IXGBE_LINK_SPEED_10GB_FULL)
 206                                 ecmd->advertising |= ADVERTISED_10000baseT_Full;
 207                         if (hw->phy.autoneg_advertised &
 208                             IXGBE_LINK_SPEED_1GB_FULL)
 209                                 ecmd->advertising |= ADVERTISED_1000baseT_Full;
 210                 } else {
 211                         /*
 212                          * Default advertised modes in case
 213                          * phy.autoneg_advertised isn't set.
 214                          */
 215                         ecmd->advertising |= (ADVERTISED_10000baseT_Full |
 216                                               ADVERTISED_1000baseT_Full);
 217                         if (hw->mac.type == ixgbe_mac_X540)
 218                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 219                 }
 220
 221                 if (hw->phy.media_type == ixgbe_media_type_copper) {
 222                         ecmd->supported |= SUPPORTED_TP;
 223                         ecmd->advertising |= ADVERTISED_TP;
 224                         ecmd->port = PORT_TP;
 225                 } else {
 226                         ecmd->supported |= SUPPORTED_FIBRE;
 227                         ecmd->advertising |= ADVERTISED_FIBRE;
 228                         ecmd->port = PORT_FIBRE;
 229                 }
 230         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
 231                 /* Set as FIBRE until SERDES defined in kernel */
 232                 if (hw->device_id == IXGBE_DEV_ID_82598_BX) {
 233                         ecmd->supported = (SUPPORTED_1000baseT_Full |
 234                                            SUPPORTED_FIBRE);
 235                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 236                                              ADVERTISED_FIBRE);
 237                         ecmd->port = PORT_FIBRE;
 238                         ecmd->autoneg = AUTONEG_DISABLE;
 239                 } else if ((hw->device_id == IXGBE_DEV_ID_82599_COMBO_BACKPLANE)
 240                           || (hw->device_id == IXGBE_DEV_ID_82599_KX4_MEZZ)) {
 241                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 242                                             SUPPORTED_Autoneg |
 243                                             SUPPORTED_FIBRE);
 244                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 245                                              ADVERTISED_1000baseT_Full |
 246                                              ADVERTISED_Autoneg |
 247                                              ADVERTISED_FIBRE);
 248                         ecmd->port = PORT_FIBRE;
 249                 } else {
 250                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 251                                             SUPPORTED_FIBRE);
 252                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 253                                              ADVERTISED_1000baseT_Full |
 254                                              ADVERTISED_FIBRE);
 255                         ecmd->port = PORT_FIBRE;
 256                 }
 257         } else {
 258                 ecmd->supported |= SUPPORTED_FIBRE;
 259                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 260                                      ADVERTISED_FIBRE);
 261                 ecmd->port = PORT_FIBRE;
 262                 ecmd->autoneg = AUTONEG_DISABLE;
 263         }
 264
 265 #ifdef HAVE_ETHTOOL_SFP_DISPLAY_PORT
 266         /* Get PHY type */
 267         switch (adapter->hw.phy.type) {
 268         case ixgbe_phy_tn:
 269         case ixgbe_phy_aq:
 270         case ixgbe_phy_cu_unknown:
 271                 /* Copper 10G-BASET */
 272                 ecmd->port = PORT_TP;
 273                 break;
 274         case ixgbe_phy_qt:
 275                 ecmd->port = PORT_FIBRE;
 276                 break;
 277         case ixgbe_phy_nl:
 278         case ixgbe_phy_sfp_passive_tyco:
 279         case ixgbe_phy_sfp_passive_unknown:
 280         case ixgbe_phy_sfp_ftl:
 281         case ixgbe_phy_sfp_avago:
 282         case ixgbe_phy_sfp_intel:
 283         case ixgbe_phy_sfp_unknown:
 284                 switch (adapter->hw.phy.sfp_type) {
 285                 /* SFP+ devices, further checking needed */
 286                 case ixgbe_sfp_type_da_cu:
 287                 case ixgbe_sfp_type_da_cu_core0:
 288                 case ixgbe_sfp_type_da_cu_core1:
 289                         ecmd->port = PORT_DA;
 290                         break;
 291                 case ixgbe_sfp_type_sr:
 292                 case ixgbe_sfp_type_lr:
 293                 case ixgbe_sfp_type_srlr_core0:
 294                 case ixgbe_sfp_type_srlr_core1:
 295                         ecmd->port = PORT_FIBRE;
 296                         break;
 297                 case ixgbe_sfp_type_not_present:
 298                         ecmd->port = PORT_NONE;
 299                         break;
 300                 case ixgbe_sfp_type_1g_cu_core0:
 301                 case ixgbe_sfp_type_1g_cu_core1:
 302                         ecmd->port = PORT_TP;
 303                         ecmd->supported = SUPPORTED_TP;
 304                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 305                                 ADVERTISED_TP);
 306                         break;
 307                 case ixgbe_sfp_type_1g_sx_core0:
 308                 case ixgbe_sfp_type_1g_sx_core1:
 309                         ecmd->port = PORT_FIBRE;
 310                         ecmd->supported = SUPPORTED_FIBRE;
 311                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 312                                 ADVERTISED_FIBRE);
 313                         break;
 314                 case ixgbe_sfp_type_unknown:
 315                 default:
 316                         ecmd->port = PORT_OTHER;
 317                         break;
 318                 }
 319                 break;
 320         case ixgbe_phy_xaui:
 321                 ecmd->port = PORT_NONE;
 322                 break;
 323         case ixgbe_phy_unknown:
 324         case ixgbe_phy_generic:
 325         case ixgbe_phy_sfp_unsupported:
 326         default:
 327                 ecmd->port = PORT_OTHER;
 328                 break;
 329         }
 330 #endif
 331
 332         if (!in_interrupt()) {
 333                 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 334         } else {
 335                 /*
 336                  * this case is a special workaround for RHEL5 bonding
 337                  * that calls this routine from interrupt context
 338                  */
 339                 link_speed = adapter->link_speed;
 340                 link_up = adapter->link_up;
 341         }
 342
 343         if (link_up) {
 344                 switch (link_speed) {
 345                 case IXGBE_LINK_SPEED_10GB_FULL:
 346                         ecmd->speed = SPEED_10000;
 347                         break;
 348                 case IXGBE_LINK_SPEED_1GB_FULL:
 349                         ecmd->speed = SPEED_1000;
 350                         break;
 351                 case IXGBE_LINK_SPEED_100_FULL:
 352                         ecmd->speed = SPEED_100;
 353                         break;
 354                 default:
 355                         break;
 356                 }
 357                 ecmd->duplex = DUPLEX_FULL;
 358         } else {
 359                 ecmd->speed = -1;
 360                 ecmd->duplex = -1;
 361         }
 362
 363         return 0;
 364 }
 365
 366 static int ixgbe_set_settings(struct net_device *netdev,
 367                               struct ethtool_cmd *ecmd)
 368 {
 369         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 370         struct ixgbe_hw *hw = &adapter->hw;
 371         u32 advertised, old;
 372         s32 err = 0;
 373
 374         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 375             (hw->phy.multispeed_fiber)) {
 376                 /*
 377                  * this function does not support duplex forcing, but can
 378                  * limit the advertising of the adapter to the specified speed
 379                  */
 380                 if (ecmd->autoneg == AUTONEG_DISABLE)
 381                         return -EINVAL;
 382
 383                 if (ecmd->advertising & ~ecmd->supported)
 384                         return -EINVAL;
 385
 386                 old = hw->phy.autoneg_advertised;
 387                 advertised = 0;
 388                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 389                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 390
 391                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 392                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 393
 394                 if (ecmd->advertising & ADVERTISED_100baseT_Full)
 395                         advertised |= IXGBE_LINK_SPEED_100_FULL;
 396
 397                 if (old == advertised)
 398                         return err;
 399                 /* this sets the link speed and restarts auto-neg */
 400                 hw->mac.autotry_restart = true;
 401                 err = hw->mac.ops.setup_link(hw, advertised, true, true);
 402                 if (err) {
 403                         e_info(probe, "setup link failed with code %d\n", err);
 404                         hw->mac.ops.setup_link(hw, old, true, true);
 405                 }
 406         }
 407         return err;
 408 }
 409
 410 static void ixgbe_get_pauseparam(struct net_device *netdev,
 411                                  struct ethtool_pauseparam *pause)
 412 {
 413         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 414         struct ixgbe_hw *hw = &adapter->hw;
 415
 416         if (hw->fc.disable_fc_autoneg)
 417                 pause->autoneg = 0;
 418         else
 419                 pause->autoneg = 1;
 420
 421         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 422                 pause->rx_pause = 1;
 423         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 424                 pause->tx_pause = 1;
 425         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 426                 pause->rx_pause = 1;
 427                 pause->tx_pause = 1;
 428         }
 429 }
 430
 431 static int ixgbe_set_pauseparam(struct net_device *netdev,
 432                                 struct ethtool_pauseparam *pause)
 433 {
 434         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 435         struct ixgbe_hw *hw = &adapter->hw;
 436         struct ixgbe_fc_info fc = hw->fc;
 437
 438         /* 82598 does no support link flow control with DCB enabled */
 439         if ((hw->mac.type == ixgbe_mac_82598EB) &&
 440             (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
 441                 return -EINVAL;
 442
 443         fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
 444
 445         if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
 446                 fc.requested_mode = ixgbe_fc_full;
 447         else if (pause->rx_pause)
 448                 fc.requested_mode = ixgbe_fc_rx_pause;
 449         else if (pause->tx_pause)
 450                 fc.requested_mode = ixgbe_fc_tx_pause;
 451         else
 452                 fc.requested_mode = ixgbe_fc_none;
 453
 454         /* if the thing changed then we'll update and use new autoneg */
 455         if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
 456                 hw->fc = fc;
 457                 if (netif_running(netdev))
 458                         ixgbe_reinit_locked(adapter);
 459                 else
 460                         ixgbe_reset(adapter);
 461         }
 462
 463         return 0;
 464 }
 465
 466 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 467 {
 468         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 469         return adapter->msg_enable;
 470 }
 471
 472 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 473 {
 474         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 475         adapter->msg_enable = data;
 476 }
 477
 478 static int ixgbe_get_regs_len(struct net_device *netdev)
 479 {
 480 #define IXGBE_REGS_LEN  1129
 481         return IXGBE_REGS_LEN * sizeof(u32);
 482 }
 483
 484 #define IXGBE_GET_STAT(_A_, _R_)        (_A_->stats._R_)
 485
 486
 487 static void ixgbe_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 488                            void *p)
 489 {
 490         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 491         struct ixgbe_hw *hw = &adapter->hw;
 492         u32 *regs_buff = p;
 493         u8 i;
 494
 495         printk(KERN_DEBUG "ixgbe_get_regs_1\n");
 496         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 497         printk(KERN_DEBUG "ixgbe_get_regs_2 0x%p\n", hw->hw_addr);
 498
 499         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 500
 501         /* General Registers */
 502         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 503         printk(KERN_DEBUG "ixgbe_get_regs_3\n");
 504         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 505         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 506         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 507         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 508         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 509         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 510         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 511
 512         printk(KERN_DEBUG "ixgbe_get_regs_4\n");
 513
 514         /* NVM Register */
 515         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 516         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 517         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 518         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 519         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 520         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 521         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 522         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 523         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 524         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 525
 526         /* Interrupt */
 527         /* don't read EICR because it can clear interrupt causes, instead
 528          * read EICS which is a shadow but doesn't clear EICR */
 529         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 530         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 531         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 532         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 533         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 534         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 535         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 536         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 537         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 538         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 539         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 540         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 541
 542         /* Flow Control */
 543         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 544         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 545         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 546         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 547         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 548         for (i = 0; i < 8; i++) {
 549                 switch (hw->mac.type) {
 550                 case ixgbe_mac_82598EB:
 551                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 552                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 553                         break;
 554                 case ixgbe_mac_82599EB:
 555                 case ixgbe_mac_X540:
 556                         regs_buff[35 + i] = IXGBE_READ_REG(hw,
 557                                                           IXGBE_FCRTL_82599(i));
 558                         regs_buff[43 + i] = IXGBE_READ_REG(hw,
 559                                                           IXGBE_FCRTH_82599(i));
 560                         break;
 561                 default:
 562                         break;
 563                 }
 564         }
 565         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 566         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 567
 568         /* Receive DMA */
 569         for (i = 0; i < 64; i++)
 570                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 571         for (i = 0; i < 64; i++)
 572                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 573         for (i = 0; i < 64; i++)
 574                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 575         for (i = 0; i < 64; i++)
 576                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 577         for (i = 0; i < 64; i++)
 578                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 579         for (i = 0; i < 64; i++)
 580                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 581         for (i = 0; i < 16; i++)
 582                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 583         for (i = 0; i < 16; i++)
 584                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 585         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 586         for (i = 0; i < 8; i++)
 587                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 588         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 589         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 590
 591         /* Receive */
 592         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 593         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 594         for (i = 0; i < 16; i++)
 595                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 596         for (i = 0; i < 16; i++)
 597                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 598         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 599         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 600         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 601         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 602         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 603         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 604         for (i = 0; i < 8; i++)
 605                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 606         for (i = 0; i < 8; i++)
 607                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 608         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 609
 610         /* Transmit */
 611         for (i = 0; i < 32; i++)
 612                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 613         for (i = 0; i < 32; i++)
 614                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 615         for (i = 0; i < 32; i++)
 616                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 617         for (i = 0; i < 32; i++)
 618                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 619         for (i = 0; i < 32; i++)
 620                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 621         for (i = 0; i < 32; i++)
 622                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 623         for (i = 0; i < 32; i++)
 624                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 625         for (i = 0; i < 32; i++)
 626                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 627         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 628         for (i = 0; i < 16; i++)
 629                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 630         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 631         for (i = 0; i < 8; i++)
 632                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 633         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 634
 635         /* Wake Up */
 636         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 637         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 638         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 639         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 640         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 641         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 642         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 643         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 644         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 645
 646         /* DCB */
 647         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 648         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 649         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 650         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 651         for (i = 0; i < 8; i++)
 652                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 653         for (i = 0; i < 8; i++)
 654                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 655         for (i = 0; i < 8; i++)
 656                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 657         for (i = 0; i < 8; i++)
 658                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 659         for (i = 0; i < 8; i++)
 660                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 661         for (i = 0; i < 8; i++)
 662                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 663
 664         /* Statistics */
 665         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 666         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 667         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 668         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 669         for (i = 0; i < 8; i++)
 670                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 671         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 672         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 673         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 674         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 675         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 676         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 677         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 678         for (i = 0; i < 8; i++)
 679                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 680         for (i = 0; i < 8; i++)
 681                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 682         for (i = 0; i < 8; i++)
 683                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 684         for (i = 0; i < 8; i++)
 685                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 686         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 687         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 688         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 689         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 690         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 691         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 692         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 693         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 694         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 695         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 696         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 697         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 698         for (i = 0; i < 8; i++)
 699                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 700         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 701         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 702         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 703         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 704         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 705         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 706         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 707         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 708         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 709         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 710         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 711         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 712         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 713         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 714         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 715         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 716         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 717         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 718         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 719         for (i = 0; i < 16; i++)
 720                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 721         for (i = 0; i < 16; i++)
 722                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 723         for (i = 0; i < 16; i++)
 724                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 725         for (i = 0; i < 16; i++)
 726                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 727
 728         /* MAC */
 729         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 730         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 731         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 732         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 733         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 734         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 735         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 736         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 737         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 738         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 739         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 740         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 741         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 742         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 743         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 744         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 745         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 746         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 747         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 748         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 749         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 750         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 751         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 752         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 753         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 754         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 755         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 756         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 757         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 758         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 759         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 760         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 761         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 762
 763         /* Diagnostic */
 764         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 765         for (i = 0; i < 8; i++)
 766                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 767         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 768         for (i = 0; i < 4; i++)
 769                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 770         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 771         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 772         for (i = 0; i < 8; i++)
 773                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 774         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 775         for (i = 0; i < 4; i++)
 776                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 777         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 778         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 779         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 780         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 781         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 782         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 783         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 784         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 785         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 786         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 787         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 788         for (i = 0; i < 8; i++)
 789                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 790         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 791         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 792         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 793         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 794         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 795         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 796         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 797         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 798         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 799
 800         /* 82599 X540 specific registers  */
 801         regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
 802 }
 803
 804 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 805 {
 806         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 807         return adapter->hw.eeprom.word_size * 2;
 808 }
 809
 810 static int ixgbe_get_eeprom(struct net_device *netdev,
 811                             struct ethtool_eeprom *eeprom, u8 *bytes)
 812 {
 813         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 814         struct ixgbe_hw *hw = &adapter->hw;
 815         u16 *eeprom_buff;
 816         int first_word, last_word, eeprom_len;
 817         int ret_val = 0;
 818         u16 i;
 819
 820         if (eeprom->len == 0)
 821                 return -EINVAL;
 822
 823         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 824
 825         first_word = eeprom->offset >> 1;
 826         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 827         eeprom_len = last_word - first_word + 1;
 828
 829         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 830         if (!eeprom_buff)
 831                 return -ENOMEM;
 832
 833         ret_val = ixgbe_read_eeprom_buffer(hw, first_word, eeprom_len,
 834                                            eeprom_buff);
 835
 836         /* Device's eeprom is always little-endian, word addressable */
 837         for (i = 0; i < eeprom_len; i++)
 838                 le16_to_cpus(&eeprom_buff[i]);
 839
 840         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 841         kfree(eeprom_buff);
 842
 843         return ret_val;
 844 }
 845
 846 static int ixgbe_set_eeprom(struct net_device *netdev,
 847                             struct ethtool_eeprom *eeprom, u8 *bytes)
 848 {
 849         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 850         struct ixgbe_hw *hw = &adapter->hw;
 851         u16 *eeprom_buff;
 852         void *ptr;
 853         int max_len, first_word, last_word, ret_val = 0;
 854         u16 i;
 855
 856         if (eeprom->len == 0)
 857                 return -EINVAL;
 858
 859         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 860                 return -EINVAL;
 861
 862         max_len = hw->eeprom.word_size * 2;
 863
 864         first_word = eeprom->offset >> 1;
 865         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 866         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 867         if (!eeprom_buff)
 868                 return -ENOMEM;
 869
 870         ptr = eeprom_buff;
 871
 872         if (eeprom->offset & 1) {
 873                 /*
 874                  * need read/modify/write of first changed EEPROM word
 875                  * only the second byte of the word is being modified
 876                  */
 877                 ret_val = ixgbe_read_eeprom(hw, first_word, &eeprom_buff[0]);
 878                 if (ret_val)
 879                         goto err;
 880
 881                 ptr++;
 882         }
 883         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 884                 /*
 885                  * need read/modify/write of last changed EEPROM word
 886                  * only the first byte of the word is being modified
 887                  */
 888                 ret_val = ixgbe_read_eeprom(hw, last_word,
 889                                           &eeprom_buff[last_word - first_word]);
 890                 if (ret_val)
 891                         goto err;
 892         }
 893
 894         /* Device's eeprom is always little-endian, word addressable */
 895         for (i = 0; i < last_word - first_word + 1; i++)
 896                 le16_to_cpus(&eeprom_buff[i]);
 897
 898         memcpy(ptr, bytes, eeprom->len);
 899
 900         for (i = 0; i < last_word - first_word + 1; i++)
 901                 cpu_to_le16s(&eeprom_buff[i]);
 902
 903         ret_val = ixgbe_write_eeprom_buffer(hw, first_word,
 904                                             last_word - first_word + 1,
 905                                             eeprom_buff);
 906
 907         /* Update the checksum */
 908         if (ret_val == 0)
 909                 ixgbe_update_eeprom_checksum(hw);
 910
 911 err:
 912         kfree(eeprom_buff);
 913         return ret_val;
 914 }
 915
 916 static void ixgbe_get_drvinfo(struct net_device *netdev,
 917                               struct ethtool_drvinfo *drvinfo)
 918 {
 919         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 920
 921         strlcpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
 922
 923         strlcpy(drvinfo->version, ixgbe_driver_version,
 924                                 sizeof(drvinfo->version));
 925
 926         strlcpy(drvinfo->fw_version, adapter->eeprom_id,
 927                                 sizeof(drvinfo->fw_version));
 928
 929         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 930                                 sizeof(drvinfo->bus_info));
 931
 932         drvinfo->n_stats = IXGBE_STATS_LEN;
 933         drvinfo->testinfo_len = IXGBE_TEST_LEN;
 934         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 935 }
 936
 937 static void ixgbe_get_ringparam(struct net_device *netdev,
 938                                 struct ethtool_ringparam *ring)
 939 {
 940         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 941
 942         ring->rx_max_pending = IXGBE_MAX_RXD;
 943         ring->tx_max_pending = IXGBE_MAX_TXD;
 944         ring->rx_mini_max_pending = 0;
 945         ring->rx_jumbo_max_pending = 0;
 946         ring->rx_pending = adapter->rx_ring_count;
 947         ring->tx_pending = adapter->tx_ring_count;
 948         ring->rx_mini_pending = 0;
 949         ring->rx_jumbo_pending = 0;
 950 }
 951
 952 static int ixgbe_set_ringparam(struct net_device *netdev,
 953                                struct ethtool_ringparam *ring)
 954 {
 955         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 956         struct ixgbe_ring *tx_ring = NULL, *rx_ring = NULL;
 957         u32 new_rx_count, new_tx_count;
 958         int i, err = 0;
 959
 960         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 961                 return -EINVAL;
 962
 963         new_tx_count = clamp_t(u32, ring->tx_pending,
 964                                IXGBE_MIN_TXD, IXGBE_MAX_TXD);
 965         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 966
 967         new_rx_count = clamp_t(u32, ring->rx_pending,
 968                                IXGBE_MIN_RXD, IXGBE_MAX_RXD);
 969         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 970
 971         /* if nothing to do return success */
 972         if ((new_tx_count == adapter->tx_ring_count) &&
 973             (new_rx_count == adapter->rx_ring_count))
 974                 return 0;
 975
 976         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 977                 usleep_range(1000, 2000);
 978
 979         if (!netif_running(adapter->netdev)) {
 980                 for (i = 0; i < adapter->num_tx_queues; i++)
 981                         adapter->tx_ring[i]->count = new_tx_count;
 982                 for (i = 0; i < adapter->num_rx_queues; i++)
 983                         adapter->rx_ring[i]->count = new_rx_count;
 984                 adapter->tx_ring_count = new_tx_count;
 985                 adapter->rx_ring_count = new_rx_count;
 986                 goto clear_reset;
 987         }
 988
 989         /* alloc updated Tx resources */
 990         if (new_tx_count != adapter->tx_ring_count) {
 991                 tx_ring = vmalloc(adapter->num_tx_queues * sizeof(*tx_ring));
 992                 if (!tx_ring) {
 993                         err = -ENOMEM;
 994                         goto clear_reset;
 995                 }
 996
 997                 for (i = 0; i < adapter->num_tx_queues; i++) {
 998                         /* clone ring and setup updated count */
 999                         tx_ring[i] = *adapter->tx_ring[i];
1000                         tx_ring[i].count = new_tx_count;
1001                         err = ixgbe_setup_tx_resources(&tx_ring[i]);
1002                         if (err) {
1003                                 while (i) {
1004                                         i--;
1005                                         ixgbe_free_tx_resources(&tx_ring[i]);
1006                                 }
1007
1008                                 vfree(tx_ring);
1009                                 tx_ring = NULL;
1010
1011                                 goto clear_reset;
1012                         }
1013                 }
1014         }
1015
1016         /* alloc updated Rx resources */
1017         if (new_rx_count != adapter->rx_ring_count) {
1018                 rx_ring = vmalloc(adapter->num_rx_queues * sizeof(*rx_ring));
1019                 if (!rx_ring) {
1020                         err = -ENOMEM;
1021                         goto clear_reset;
1022                 }
1023
1024                 for (i = 0; i < adapter->num_rx_queues; i++) {
1025                         /* clone ring and setup updated count */
1026                         rx_ring[i] = *adapter->rx_ring[i];
1027                         rx_ring[i].count = new_rx_count;
1028                         err = ixgbe_setup_rx_resources(&rx_ring[i]);
1029                         if (err) {
1030                                 while (i) {
1031                                         i--;
1032                                         ixgbe_free_rx_resources(&rx_ring[i]);
1033                                 }
1034
1035                                 vfree(rx_ring);
1036                                 rx_ring = NULL;
1037
1038                                 goto clear_reset;
1039                         }
1040                 }
1041         }
1042
1043         /* bring interface down to prepare for update */
1044         ixgbe_down(adapter);
1045
1046         /* Tx */
1047         if (tx_ring) {
1048                 for (i = 0; i < adapter->num_tx_queues; i++) {
1049                         ixgbe_free_tx_resources(adapter->tx_ring[i]);
1050                         *adapter->tx_ring[i] = tx_ring[i];
1051                 }
1052                 adapter->tx_ring_count = new_tx_count;
1053
1054                 vfree(tx_ring);
1055                 tx_ring = NULL;
1056         }
1057
1058         /* Rx */
1059         if (rx_ring) {
1060                 for (i = 0; i < adapter->num_rx_queues; i++) {
1061                         ixgbe_free_rx_resources(adapter->rx_ring[i]);
1062                         *adapter->rx_ring[i] = rx_ring[i];
1063                 }
1064                 adapter->rx_ring_count = new_rx_count;
1065
1066                 vfree(rx_ring);
1067                 rx_ring = NULL;
1068         }
1069
1070         /* restore interface using new values */
1071         ixgbe_up(adapter);
1072
1073 clear_reset:
1074         /* free Tx resources if Rx error is encountered */
1075         if (tx_ring) {
1076                 for (i = 0; i < adapter->num_tx_queues; i++)
1077                         ixgbe_free_tx_resources(&tx_ring[i]);
1078                 vfree(tx_ring);
1079         }
1080
1081         clear_bit(__IXGBE_RESETTING, &adapter->state);
1082         return err;
1083 }
1084
1085 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
1086 static int ixgbe_get_stats_count(struct net_device *netdev)
1087 {
1088         return IXGBE_STATS_LEN;
1089 }
1090
1091 #else /* HAVE_ETHTOOL_GET_SSET_COUNT */
1092 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1093 {
1094         switch (sset) {
1095         case ETH_SS_TEST:
1096                 return IXGBE_TEST_LEN;
1097         case ETH_SS_STATS:
1098                 return IXGBE_STATS_LEN;
1099         default:
1100                 return -EOPNOTSUPP;
1101         }
1102 }
1103
1104 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
1105 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1106                                     struct ethtool_stats *stats, u64 *data)
1107 {
1108         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1109 #ifdef HAVE_NETDEV_STATS_IN_NETDEV
1110         struct net_device_stats *net_stats = &netdev->stats;
1111 #else
1112         struct net_device_stats *net_stats = &adapter->net_stats;
1113 #endif
1114         u64 *queue_stat;
1115         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
1116         int i, j, k;
1117         char *p;
1118
1119         printk(KERN_DEBUG "ixgbe_stats 0\n");
1120         ixgbe_update_stats(adapter);
1121         printk(KERN_DEBUG "ixgbe_stats 1\n");
1122
1123         for (i = 0; i < IXGBE_NETDEV_STATS_LEN; i++) {
1124                 p = (char *)net_stats + ixgbe_gstrings_net_stats[i].stat_offset;
1125                 data[i] = (ixgbe_gstrings_net_stats[i].sizeof_stat ==
1126                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1127         }
1128         for (j = 0; j < IXGBE_GLOBAL_STATS_LEN; j++, i++) {
1129                 p = (char *)adapter + ixgbe_gstrings_stats[j].stat_offset;
1130                 data[i] = (ixgbe_gstrings_stats[j].sizeof_stat ==
1131                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1132         }
1133         printk(KERN_DEBUG "ixgbe_stats 2\n");
1134 #ifdef NO_VNIC
1135         for (j = 0; j < adapter->num_tx_queues; j++) {
1136                 queue_stat = (u64 *)&adapter->tx_ring[j]->stats;
1137                 for (k = 0; k < stat_count; k++)
1138                         data[i + k] = queue_stat[k];
1139                 i += k;
1140         }
1141         for (j = 0; j < adapter->num_rx_queues; j++) {
1142                 queue_stat = (u64 *)&adapter->rx_ring[j]->stats;
1143                 for (k = 0; k < stat_count; k++)
1144                         data[i + k] = queue_stat[k];
1145                 i += k;
1146         }
1147         printk(KERN_DEBUG "ixgbe_stats 3\n");
1148 #endif
1149         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1150                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
1151                         data[i++] = adapter->stats.pxontxc[j];
1152                         data[i++] = adapter->stats.pxofftxc[j];
1153                 }
1154                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
1155                         data[i++] = adapter->stats.pxonrxc[j];
1156                         data[i++] = adapter->stats.pxoffrxc[j];
1157                 }
1158         }
1159         printk(KERN_DEBUG "ixgbe_stats 4\n");
1160         stat_count = sizeof(struct vf_stats) / sizeof(u64);
1161         for (j = 0; j < adapter->num_vfs; j++) {
1162                 queue_stat = (u64 *)&adapter->vfinfo[j].vfstats;
1163                 for (k = 0; k < stat_count; k++)
1164                         data[i + k] = queue_stat[k];
1165                 queue_stat = (u64 *)&adapter->vfinfo[j].saved_rst_vfstats;
1166                 for (k = 0; k < stat_count; k++)
1167                         data[i + k] += queue_stat[k];
1168                 i += k;
1169         }
1170 }
1171
1172 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1173                               u8 *data)
1174 {
1175         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1176         char *p = (char *)data;
1177         int i;
1178
1179         switch (stringset) {
1180         case ETH_SS_TEST:
1181                 memcpy(data, *ixgbe_gstrings_test,
1182                         IXGBE_TEST_LEN * ETH_GSTRING_LEN);
1183                 break;
1184         case ETH_SS_STATS:
1185                 for (i = 0; i < IXGBE_NETDEV_STATS_LEN; i++) {
1186                         memcpy(p, ixgbe_gstrings_net_stats[i].stat_string,
1187                                ETH_GSTRING_LEN);
1188                         p += ETH_GSTRING_LEN;
1189                 }
1190                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1191                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1192                                ETH_GSTRING_LEN);
1193                         p += ETH_GSTRING_LEN;
1194                 }
1195                 for (i = 0; i < adapter->num_tx_queues; i++) {
1196                         sprintf(p, "tx_queue_%u_packets", i);
1197                         p += ETH_GSTRING_LEN;
1198                         sprintf(p, "tx_queue_%u_bytes", i);
1199                         p += ETH_GSTRING_LEN;
1200                 }
1201                 for (i = 0; i < adapter->num_rx_queues; i++) {
1202                         sprintf(p, "rx_queue_%u_packets", i);
1203                         p += ETH_GSTRING_LEN;
1204                         sprintf(p, "rx_queue_%u_bytes", i);
1205                         p += ETH_GSTRING_LEN;
1206                 }
1207                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1208                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
1209                                 sprintf(p, "tx_pb_%u_pxon", i);
1210                                 p += ETH_GSTRING_LEN;
1211                                 sprintf(p, "tx_pb_%u_pxoff", i);
1212                                 p += ETH_GSTRING_LEN;
1213                         }
1214                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
1215                                 sprintf(p, "rx_pb_%u_pxon", i);
1216                                 p += ETH_GSTRING_LEN;
1217                                 sprintf(p, "rx_pb_%u_pxoff", i);
1218                                 p += ETH_GSTRING_LEN;
1219                         }
1220                 }
1221                 for (i = 0; i < adapter->num_vfs; i++) {
1222                         sprintf(p, "VF %d Rx Packets", i);
1223                         p += ETH_GSTRING_LEN;
1224                         sprintf(p, "VF %d Rx Bytes", i);
1225                         p += ETH_GSTRING_LEN;
1226                         sprintf(p, "VF %d Tx Packets", i);
1227                         p += ETH_GSTRING_LEN;
1228                         sprintf(p, "VF %d Tx Bytes", i);
1229                         p += ETH_GSTRING_LEN;
1230                         sprintf(p, "VF %d MC Packets", i);
1231                         p += ETH_GSTRING_LEN;
1232                 }
1233                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1234                 break;
1235         }
1236 }
1237
1238 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1239 {
1240         struct ixgbe_hw *hw = &adapter->hw;
1241         bool link_up;
1242         u32 link_speed = 0;
1243         *data = 0;
1244
1245         hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1246         if (link_up)
1247                 return *data;
1248         else
1249                 *data = 1;
1250         return *data;
1251 }
1252
1253 /* ethtool register test data */
1254 struct ixgbe_reg_test {
1255         u16 reg;
1256         u8  array_len;
1257         u8  test_type;
1258         u32 mask;
1259         u32 write;
1260 };
1261
1262 /* In the hardware, registers are laid out either singly, in arrays
1263  * spaced 0x40 bytes apart, or in contiguous tables.  We assume
1264  * most tests take place on arrays or single registers (handled
1265  * as a single-element array) and special-case the tables.
1266  * Table tests are always pattern tests.
1267  *
1268  * We also make provision for some required setup steps by specifying
1269  * registers to be written without any read-back testing.
1270  */
1271
1272 #define PATTERN_TEST    1
1273 #define SET_READ_TEST   2
1274 #define WRITE_NO_TEST   3
1275 #define TABLE32_TEST    4
1276 #define TABLE64_TEST_LO 5
1277 #define TABLE64_TEST_HI 6
1278
1279 /* default 82599 register test */
1280 static struct ixgbe_reg_test reg_test_82599[] = {
1281         { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1282         { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1283         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1284         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1285         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1286         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1287         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1288         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1289         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1290         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1291         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1292         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1293         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1294         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1295         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1296         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1297         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1298         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1299         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1300         { 0, 0, 0, 0 }
1301 };
1302
1303 /* default 82598 register test */
1304 static struct ixgbe_reg_test reg_test_82598[] = {
1305         { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1306         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1307         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1308         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1309         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1310         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1311         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1312         /* Enable all four RX queues before testing. */
1313         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1314         /* RDH is read-only for 82598, only test RDT. */
1315         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1316         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1317         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1318         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1319         { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1320         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1321         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1322         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1323         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1324         { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1325         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1326         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1327         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1328         { 0, 0, 0, 0 }
1329 };
1330
1331 #define REG_PATTERN_TEST(R, M, W)                                             \
1332 {                                                                             \
1333         u32 pat, val, before;                                                 \
1334         const u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
1335         for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {                       \
1336                 before = readl(adapter->hw.hw_addr + R);                      \
1337                 writel((_test[pat] & W), (adapter->hw.hw_addr + R));          \
1338                 val = readl(adapter->hw.hw_addr + R);                         \
1339                 if (val != (_test[pat] & W & M)) {                            \
1340                         e_err(drv, "pattern test reg %04X failed: got "       \
1341                               "0x%08X expected 0x%08X\n",                     \
1342                                 R, val, (_test[pat] & W & M));                \
1343                         *data = R;                                            \
1344                         writel(before, adapter->hw.hw_addr + R);              \
1345                         return 1;                                             \
1346                 }                                                             \
1347                 writel(before, adapter->hw.hw_addr + R);                      \
1348         }                                                                     \
1349 }
1350
1351 #define REG_SET_AND_CHECK(R, M, W)                                            \
1352 {                                                                             \
1353         u32 val, before;                                                      \
1354         before = readl(adapter->hw.hw_addr + R);                              \
1355         writel((W & M), (adapter->hw.hw_addr + R));                           \
1356         val = readl(adapter->hw.hw_addr + R);                                 \
1357         if ((W & M) != (val & M)) {                                           \
1358                 e_err(drv, "set/check reg %04X test failed: got 0x%08X "      \
1359                       "expected 0x%08X\n", R, (val & M), (W & M));            \
1360                 *data = R;                                                    \
1361                 writel(before, (adapter->hw.hw_addr + R));                    \
1362                 return 1;                                                     \
1363         }                                                                     \
1364         writel(before, (adapter->hw.hw_addr + R));                            \
1365 }
1366
1367 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1368 {
1369         struct ixgbe_reg_test *test;
1370         u32 value, status_before, status_after;
1371         u32 i, toggle;
1372
1373         switch (adapter->hw.mac.type) {
1374         case ixgbe_mac_82598EB:
1375                 toggle = 0x7FFFF3FF;
1376                 test = reg_test_82598;
1377                 break;
1378         case ixgbe_mac_82599EB:
1379         case ixgbe_mac_X540:
1380                 toggle = 0x7FFFF30F;
1381                 test = reg_test_82599;
1382                 break;
1383         default:
1384                 *data = 1;
1385                 return 1;
1386                 break;
1387         }
1388
1389         /*
1390          * Because the status register is such a special case,
1391          * we handle it separately from the rest of the register
1392          * tests.  Some bits are read-only, some toggle, and some
1393          * are writeable on newer MACs.
1394          */
1395         status_before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1396         value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1397         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1398         status_after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1399         if (value != status_after) {
1400                 e_err(drv, "failed STATUS register test got: "
1401                       "0x%08X expected: 0x%08X\n", status_after, value);
1402                 *data = 1;
1403                 return 1;
1404         }
1405         /* restore previous status */
1406         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, status_before);
1407
1408         /*
1409          * Perform the remainder of the register test, looping through
1410          * the test table until we either fail or reach the null entry.
1411          */
1412         while (test->reg) {
1413                 for (i = 0; i < test->array_len; i++) {
1414                         switch (test->test_type) {
1415                         case PATTERN_TEST:
1416                                 REG_PATTERN_TEST(test->reg + (i * 0x40),
1417                                                 test->mask,
1418                                                 test->write);
1419                                 break;
1420                         case SET_READ_TEST:
1421                                 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1422                                                 test->mask,
1423                                                 test->write);
1424                                 break;
1425                         case WRITE_NO_TEST:
1426                                 writel(test->write,
1427                                        (adapter->hw.hw_addr + test->reg)
1428                                        + (i * 0x40));
1429                                 break;
1430                         case TABLE32_TEST:
1431                                 REG_PATTERN_TEST(test->reg + (i * 4),
1432                                                 test->mask,
1433                                                 test->write);
1434                                 break;
1435                         case TABLE64_TEST_LO:
1436                                 REG_PATTERN_TEST(test->reg + (i * 8),
1437                                                 test->mask,
1438                                                 test->write);
1439                                 break;
1440                         case TABLE64_TEST_HI:
1441                                 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1442                                                 test->mask,
1443                                                 test->write);
1444                                 break;
1445                         }
1446                 }
1447                 test++;
1448         }
1449
1450         *data = 0;
1451         return 0;
1452 }
1453
1454 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1455 {
1456         if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL))
1457                 *data = 1;
1458         else
1459                 *data = 0;
1460         return *data;
1461 }
1462
1463 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1464 {
1465         struct net_device *netdev = (struct net_device *) data;
1466         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1467
1468         adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1469
1470         return IRQ_HANDLED;
1471 }
1472
1473 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1474 {
1475         struct net_device *netdev = adapter->netdev;
1476         u32 mask, i = 0, shared_int = true;
1477         u32 irq = adapter->pdev->irq;
1478
1479         *data = 0;
1480
1481         /* Hook up test interrupt handler just for this test */
1482         if (adapter->msix_entries) {
1483                 /* NOTE: we don't test MSI-X interrupts here, yet */
1484                 return 0;
1485         } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1486                 shared_int = false;
1487                 if (request_irq(irq, &ixgbe_test_intr, 0, netdev->name,
1488                                 netdev)) {
1489                         *data = 1;
1490                         return -1;
1491                 }
1492         } else if (!request_irq(irq, &ixgbe_test_intr, IRQF_PROBE_SHARED,
1493                                 netdev->name, netdev)) {
1494                 shared_int = false;
1495         } else if (request_irq(irq, &ixgbe_test_intr, IRQF_SHARED,
1496                                netdev->name, netdev)) {
1497                 *data = 1;
1498                 return -1;
1499         }
1500         e_info(hw, "testing %s interrupt\n",
1501                (shared_int ? "shared" : "unshared"));
1502
1503         /* Disable all the interrupts */
1504         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1505         IXGBE_WRITE_FLUSH(&adapter->hw);
1506         usleep_range(10000, 20000);
1507
1508         /* Test each interrupt */
1509         for (; i < 10; i++) {
1510                 /* Interrupt to test */
1511                 mask = 1 << i;
1512
1513                 if (!shared_int) {
1514                         /*
1515                          * Disable the interrupts to be reported in
1516                          * the cause register and then force the same
1517                          * interrupt and see if one gets posted.  If
1518                          * an interrupt was posted to the bus, the
1519                          * test failed.
1520                          */
1521                         adapter->test_icr = 0;
1522                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1523                                         ~mask & 0x00007FFF);
1524                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1525                                         ~mask & 0x00007FFF);
1526                         IXGBE_WRITE_FLUSH(&adapter->hw);
1527                         usleep_range(10000, 20000);
1528
1529                         if (adapter->test_icr & mask) {
1530                                 *data = 3;
1531                                 break;
1532                         }
1533                 }
1534
1535                 /*
1536                  * Enable the interrupt to be reported in the cause
1537                  * register and then force the same interrupt and see
1538                  * if one gets posted.  If an interrupt was not posted
1539                  * to the bus, the test failed.
1540                  */
1541                 adapter->test_icr = 0;
1542                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1543                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1544                 IXGBE_WRITE_FLUSH(&adapter->hw);
1545                 usleep_range(10000, 20000);
1546
1547                 if (!(adapter->test_icr & mask)) {
1548                         *data = 4;
1549                         break;
1550                 }
1551
1552                 if (!shared_int) {
1553                         /*
1554                          * Disable the other interrupts to be reported in
1555                          * the cause register and then force the other
1556                          * interrupts and see if any get posted.  If
1557                          * an interrupt was posted to the bus, the
1558                          * test failed.
1559                          */
1560                         adapter->test_icr = 0;
1561                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1562                                         ~mask & 0x00007FFF);
1563                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1564                                         ~mask & 0x00007FFF);
1565                         IXGBE_WRITE_FLUSH(&adapter->hw);
1566                         usleep_range(10000, 20000);
1567
1568                         if (adapter->test_icr) {
1569                                 *data = 5;
1570                                 break;
1571                         }
1572                 }
1573         }
1574
1575         /* Disable all the interrupts */
1576         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1577         IXGBE_WRITE_FLUSH(&adapter->hw);
1578         usleep_range(10000, 20000);
1579
1580         /* Unhook test interrupt handler */
1581         free_irq(irq, netdev);
1582
1583         return *data;
1584 }
1585
1586
1587
1588 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1589 {
1590         struct ixgbe_hw *hw = &adapter->hw;
1591         u32 reg_data;
1592
1593         /* X540 needs to set the MACC.FLU bit to force link up */
1594         if (adapter->hw.mac.type == ixgbe_mac_X540) {
1595                 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1596                 reg_data |= IXGBE_MACC_FLU;
1597                 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1598         }
1599
1600         /* right now we only support MAC loopback in the driver */
1601         reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1602         /* Setup MAC loopback */
1603         reg_data |= IXGBE_HLREG0_LPBK;
1604         IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1605
1606         reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1607         reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1608         IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1609
1610         reg_data = IXGBE_READ_REG(hw, IXGBE_AUTOC);
1611         reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1612         reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1613         IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1614         IXGBE_WRITE_FLUSH(hw);
1615         usleep_range(10000, 20000);
1616
1617         /* Disable Atlas Tx lanes; re-enabled in reset path */
1618         if (hw->mac.type == ixgbe_mac_82598EB) {
1619                 u8 atlas;
1620
1621                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1622                 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1623                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1624
1625                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1626                 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1627                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1628
1629                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1630                 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1631                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1632
1633                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1634                 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1635                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1636         }
1637
1638         return 0;
1639 }
1640
1641 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1642 {
1643         u32 reg_data;
1644
1645         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1646         reg_data &= ~IXGBE_HLREG0_LPBK;
1647         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1648 }
1649
1650
1651
1652
1653
1654
1655 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1656 {
1657
1658         //*data = ixgbe_setup_desc_rings(adapter);
1659         //if (*data)
1660         //      goto out;
1661         *data = ixgbe_setup_loopback_test(adapter);
1662         if (*data)
1663                 goto err_loopback;
1664         //*data = ixgbe_run_loopback_test(adapter);
1665         ixgbe_loopback_cleanup(adapter);
1666
1667 err_loopback:
1668         //ixgbe_free_desc_rings(adapter);
1669 //out:
1670         return *data;
1671
1672 }
1673
1674 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
1675 static int ixgbe_diag_test_count(struct net_device *netdev)
1676 {
1677         return IXGBE_TEST_LEN;
1678 }
1679
1680 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
1681 static void ixgbe_diag_test(struct net_device *netdev,
1682                             struct ethtool_test *eth_test, u64 *data)
1683 {
1684         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1685         bool if_running = netif_running(netdev);
1686
1687         set_bit(__IXGBE_TESTING, &adapter->state);
1688         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1689                 /* Offline tests */
1690
1691                 e_info(hw, "offline testing starting\n");
1692
1693                 /* Link test performed before hardware reset so autoneg doesn't
1694                  * interfere with test result */
1695                 if (ixgbe_link_test(adapter, &data[4]))
1696                         eth_test->flags |= ETH_TEST_FL_FAILED;
1697
1698                 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1699                         int i;
1700                         for (i = 0; i < adapter->num_vfs; i++) {
1701                                 if (adapter->vfinfo[i].clear_to_send) {
1702                                         e_warn(drv, "Please take active VFS "
1703                                                "offline and restart the "
1704                                                "adapter before running NIC "
1705                                                "diagnostics\n");
1706                                         data[0] = 1;
1707                                         data[1] = 1;
1708                                         data[2] = 1;
1709                                         data[3] = 1;
1710                                         eth_test->flags |= ETH_TEST_FL_FAILED;
1711                                         clear_bit(__IXGBE_TESTING,
1712                                                   &adapter->state);
1713                                         goto skip_ol_tests;
1714                                 }
1715                         }
1716                 }
1717
1718                 if (if_running)
1719                         /* indicate we're in test mode */
1720                         dev_close(netdev);
1721                 else
1722                         ixgbe_reset(adapter);
1723
1724                 e_info(hw, "register testing starting\n");
1725                 if (ixgbe_reg_test(adapter, &data[0]))
1726                         eth_test->flags |= ETH_TEST_FL_FAILED;
1727
1728                 ixgbe_reset(adapter);
1729                 e_info(hw, "eeprom testing starting\n");
1730                 if (ixgbe_eeprom_test(adapter, &data[1]))
1731                         eth_test->flags |= ETH_TEST_FL_FAILED;
1732
1733                 ixgbe_reset(adapter);
1734                 e_info(hw, "interrupt testing starting\n");
1735                 if (ixgbe_intr_test(adapter, &data[2]))
1736                         eth_test->flags |= ETH_TEST_FL_FAILED;
1737
1738                 /* If SRIOV or VMDq is enabled then skip MAC
1739                  * loopback diagnostic. */
1740                 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
1741                                       IXGBE_FLAG_VMDQ_ENABLED)) {
1742                         e_info(hw, "skip MAC loopback diagnostic in VT mode\n");
1743                         data[3] = 0;
1744                         goto skip_loopback;
1745                 }
1746
1747                 ixgbe_reset(adapter);
1748                 e_info(hw, "loopback testing starting\n");
1749                 if (ixgbe_loopback_test(adapter, &data[3]))
1750                         eth_test->flags |= ETH_TEST_FL_FAILED;
1751
1752 skip_loopback:
1753                 ixgbe_reset(adapter);
1754
1755                 clear_bit(__IXGBE_TESTING, &adapter->state);
1756                 if (if_running)
1757                         dev_open(netdev);
1758         } else {
1759                 e_info(hw, "online testing starting\n");
1760                 /* Online tests */
1761                 if (ixgbe_link_test(adapter, &data[4]))
1762                         eth_test->flags |= ETH_TEST_FL_FAILED;
1763
1764                 /* Online tests aren't run; pass by default */
1765                 data[0] = 0;
1766                 data[1] = 0;
1767                 data[2] = 0;
1768                 data[3] = 0;
1769
1770                 clear_bit(__IXGBE_TESTING, &adapter->state);
1771         }
1772 skip_ol_tests:
1773         msleep_interruptible(4 * 1000);
1774 }
1775
1776 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1777                                struct ethtool_wolinfo *wol)
1778 {
1779         struct ixgbe_hw *hw = &adapter->hw;
1780         int retval = 1;
1781         u16 wol_cap = adapter->eeprom_cap & IXGBE_DEVICE_CAPS_WOL_MASK;
1782
1783         /* WOL not supported except for the following */
1784         switch (hw->device_id) {
1785         case IXGBE_DEV_ID_82599_SFP:
1786                 /* Only these subdevice could supports WOL */
1787                 switch (hw->subsystem_device_id) {
1788                 case IXGBE_SUBDEV_ID_82599_560FLR:
1789                         /* only support first port */
1790                         if (hw->bus.func != 0) {
1791                                 wol->supported = 0;
1792                                 break;
1793                         }
1794                 case IXGBE_SUBDEV_ID_82599_SFP:
1795                         retval = 0;
1796                         break;
1797                 default:
1798                         wol->supported = 0;
1799                         break;
1800                 }
1801                 break;
1802         case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
1803                 /* All except this subdevice support WOL */
1804                 if (hw->subsystem_device_id ==
1805                     IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) {
1806                         wol->supported = 0;
1807                         break;
1808                 }
1809                 retval = 0;
1810                 break;
1811         case IXGBE_DEV_ID_82599_KX4:
1812                 retval = 0;
1813                 break;
1814         case IXGBE_DEV_ID_X540T:
1815                 /* check eeprom to see if enabled wol */
1816                 if ((wol_cap == IXGBE_DEVICE_CAPS_WOL_PORT0_1) ||
1817                     ((wol_cap == IXGBE_DEVICE_CAPS_WOL_PORT0) &&
1818                      (hw->bus.func == 0))) {
1819                         retval = 0;
1820                         break;
1821                 }
1822
1823                 /* All others not supported */
1824                 wol->supported = 0;
1825                 break;
1826         default:
1827                 wol->supported = 0;
1828         }
1829         return retval;
1830 }
1831
1832 static void ixgbe_get_wol(struct net_device *netdev,
1833                           struct ethtool_wolinfo *wol)
1834 {
1835         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1836
1837         wol->supported = WAKE_UCAST | WAKE_MCAST |
1838                          WAKE_BCAST | WAKE_MAGIC;
1839         wol->wolopts = 0;
1840
1841         if (ixgbe_wol_exclusion(adapter, wol) ||
1842             !device_can_wakeup(&adapter->pdev->dev))
1843                 return;
1844
1845         if (adapter->wol & IXGBE_WUFC_EX)
1846                 wol->wolopts |= WAKE_UCAST;
1847         if (adapter->wol & IXGBE_WUFC_MC)
1848                 wol->wolopts |= WAKE_MCAST;
1849         if (adapter->wol & IXGBE_WUFC_BC)
1850                 wol->wolopts |= WAKE_BCAST;
1851         if (adapter->wol & IXGBE_WUFC_MAG)
1852                 wol->wolopts |= WAKE_MAGIC;
1853 }
1854
1855 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1856 {
1857         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1858
1859         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1860                 return -EOPNOTSUPP;
1861
1862         if (ixgbe_wol_exclusion(adapter, wol))
1863                 return wol->wolopts ? -EOPNOTSUPP : 0;
1864
1865         adapter->wol = 0;
1866
1867         if (wol->wolopts & WAKE_UCAST)
1868                 adapter->wol |= IXGBE_WUFC_EX;
1869         if (wol->wolopts & WAKE_MCAST)
1870                 adapter->wol |= IXGBE_WUFC_MC;
1871         if (wol->wolopts & WAKE_BCAST)
1872                 adapter->wol |= IXGBE_WUFC_BC;
1873         if (wol->wolopts & WAKE_MAGIC)
1874                 adapter->wol |= IXGBE_WUFC_MAG;
1875
1876         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1877
1878         return 0;
1879 }
1880
1881 static int ixgbe_nway_reset(struct net_device *netdev)
1882 {
1883         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1884
1885         if (netif_running(netdev))
1886                 ixgbe_reinit_locked(adapter);
1887
1888         return 0;
1889 }
1890
1891 #ifdef HAVE_ETHTOOL_SET_PHYS_ID
1892 static int ixgbe_set_phys_id(struct net_device *netdev,
1893                              enum ethtool_phys_id_state state)
1894 {
1895         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1896         struct ixgbe_hw *hw = &adapter->hw;
1897
1898         switch (state) {
1899         case ETHTOOL_ID_ACTIVE:
1900                 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1901                 return 2;
1902
1903         case ETHTOOL_ID_ON:
1904                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1905                 break;
1906
1907         case ETHTOOL_ID_OFF:
1908                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1909                 break;
1910
1911         case ETHTOOL_ID_INACTIVE:
1912                 /* Restore LED settings */
1913                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
1914                 break;
1915         }
1916
1917         return 0;
1918 }
1919 #else
1920 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1921 {
1922         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1923         struct ixgbe_hw *hw = &adapter->hw;
1924         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1925         u32 i;
1926
1927         if (!data || data > 300)
1928                 data = 300;
1929
1930         for (i = 0; i < (data * 1000); i += 400) {
1931                 ixgbe_led_on(hw, IXGBE_LED_ON);
1932                 msleep_interruptible(200);
1933                 ixgbe_led_off(hw, IXGBE_LED_ON);
1934                 msleep_interruptible(200);
1935         }
1936
1937         /* Restore LED settings */
1938         IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
1939
1940         return 0;
1941 }
1942 #endif /* HAVE_ETHTOOL_SET_PHYS_ID */
1943
1944 static int ixgbe_get_coalesce(struct net_device *netdev,
1945                               struct ethtool_coalesce *ec)
1946 {
1947         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1948
1949         ec->tx_max_coalesced_frames_irq = adapter->tx_work_limit;
1950 #ifndef CONFIG_IXGBE_NAPI
1951         ec->rx_max_coalesced_frames_irq = adapter->rx_work_limit;
1952 #endif /* CONFIG_IXGBE_NAPI */
1953         /* only valid if in constant ITR mode */
1954         if (adapter->rx_itr_setting <= 1)
1955                 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
1956         else
1957                 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
1958
1959         /* if in mixed tx/rx queues per vector mode, report only rx settings */
1960         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
1961                 return 0;
1962
1963         /* only valid if in constant ITR mode */
1964         if (adapter->tx_itr_setting <= 1)
1965                 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
1966         else
1967                 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
1968
1969         return 0;
1970 }
1971
1972 /*
1973  * this function must be called before setting the new value of
1974  * rx_itr_setting
1975  */
1976 #ifdef NO_VNIC
1977 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
1978 {
1979         struct net_device *netdev = adapter->netdev;
1980
1981         /* nothing to do if LRO or RSC are not enabled */
1982         if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
1983             !(netdev->features & NETIF_F_LRO))
1984                 return false;
1985
1986         /* check the feature flag value and enable RSC if necessary */
1987         if (adapter->rx_itr_setting == 1 ||
1988             adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
1989                 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
1990                         adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
1991                         e_info(probe, "rx-usecs value high enough "
1992                                       "to re-enable RSC\n");
1993                         return true;
1994                 }
1995         /* if interrupt rate is too high then disable RSC */
1996         } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
1997                 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
1998 #ifdef IXGBE_NO_LRO
1999                 e_info(probe, "rx-usecs set too low, disabling RSC\n");
2000 #else
2001                 e_info(probe, "rx-usecs set too low, "
2002                               "falling back to software LRO\n");
2003 #endif
2004                 return true;
2005         }
2006         return false;
2007 }
2008 #endif
2009
2010 static int ixgbe_set_coalesce(struct net_device *netdev,
2011                               struct ethtool_coalesce *ec)
2012 {
2013 #ifdef NO_VNIC
2014         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2015         struct ixgbe_q_vector *q_vector;
2016         int i;
2017         int num_vectors;
2018         u16 tx_itr_param, rx_itr_param;
2019         bool need_reset = false;
2020
2021         /* don't accept tx specific changes if we've got mixed RxTx vectors */
2022         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count
2023             && ec->tx_coalesce_usecs)
2024                 return -EINVAL;
2025
2026         if (ec->tx_max_coalesced_frames_irq)
2027                 adapter->tx_work_limit = ec->tx_max_coalesced_frames_irq;
2028
2029 #ifndef CONFIG_IXGBE_NAPI
2030         if (ec->rx_max_coalesced_frames_irq)
2031                 adapter->rx_work_limit = ec->rx_max_coalesced_frames_irq;
2032
2033 #endif
2034         if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2035             (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2036                 return -EINVAL;
2037
2038         if (ec->rx_coalesce_usecs > 1)
2039                 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2040         else
2041                 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2042
2043         if (adapter->rx_itr_setting == 1)
2044                 rx_itr_param = IXGBE_20K_ITR;
2045         else
2046                 rx_itr_param = adapter->rx_itr_setting;
2047
2048         if (ec->tx_coalesce_usecs > 1)
2049                 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2050         else
2051                 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2052
2053         if (adapter->tx_itr_setting == 1)
2054                 tx_itr_param = IXGBE_10K_ITR;
2055         else
2056                 tx_itr_param = adapter->tx_itr_setting;
2057
2058         /* check the old value and enable RSC if necessary */
2059         need_reset = ixgbe_update_rsc(adapter);
2060
2061         if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED)
2062                 num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
2063         else
2064                 num_vectors = 1;
2065
2066         for (i = 0; i < num_vectors; i++) {
2067                 q_vector = adapter->q_vector[i];
2068                 q_vector->tx.work_limit = adapter->tx_work_limit;
2069                 q_vector->rx.work_limit = adapter->rx_work_limit;
2070                 if (q_vector->tx.count && !q_vector->rx.count)
2071                         /* tx only */
2072                         q_vector->itr = tx_itr_param;
2073                 else
2074                         /* rx only or mixed */
2075                         q_vector->itr = rx_itr_param;
2076                 ixgbe_write_eitr(q_vector);
2077         }
2078
2079         /*
2080          * do reset here at the end to make sure EITR==0 case is handled
2081          * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2082          * also locks in RSC enable/disable which requires reset
2083          */
2084         if (need_reset)
2085                 ixgbe_do_reset(netdev);
2086 #endif
2087         return 0;
2088 }
2089
2090 #ifndef HAVE_NDO_SET_FEATURES
2091 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
2092 {
2093         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2094         struct ixgbe_ring *ring = adapter->rx_ring[0];
2095         return test_bit(__IXGBE_RX_CSUM_ENABLED, &ring->state);
2096 }
2097
2098 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
2099 {
2100         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2101         int i;
2102
2103         for (i = 0; i < adapter->num_rx_queues; i++) {
2104                 struct ixgbe_ring *ring = adapter->rx_ring[i];
2105                 if (data)
2106                         set_bit(__IXGBE_RX_CSUM_ENABLED, &ring->state);
2107                 else
2108                         clear_bit(__IXGBE_RX_CSUM_ENABLED, &ring->state);
2109         }
2110
2111         /* LRO and RSC both depend on RX checksum to function */
2112         if (!data && (netdev->features & NETIF_F_LRO)) {
2113                 netdev->features &= ~NETIF_F_LRO;
2114
2115                 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2116                         adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2117                         ixgbe_do_reset(netdev);
2118                 }
2119         }
2120
2121         return 0;
2122 }
2123
2124 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
2125 {
2126         return (netdev->features & NETIF_F_IP_CSUM) != 0;
2127 }
2128
2129 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
2130 {
2131         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2132         u32 feature_list;
2133
2134 #ifdef NETIF_F_IPV6_CSUM
2135         feature_list = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
2136 #else
2137         feature_list = NETIF_F_IP_CSUM;
2138 #endif
2139         switch (adapter->hw.mac.type) {
2140         case ixgbe_mac_82599EB:
2141         case ixgbe_mac_X540:
2142                 feature_list |= NETIF_F_SCTP_CSUM;
2143                 break;
2144         default:
2145                 break;
2146         }
2147         if (data)
2148                 netdev->features |= feature_list;
2149         else
2150                 netdev->features &= ~feature_list;
2151
2152         return 0;
2153 }
2154
2155 #ifdef NETIF_F_TSO
2156 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
2157 {
2158         if (data) {
2159                 netdev->features |= NETIF_F_TSO;
2160 #ifdef NETIF_F_TSO6
2161                 netdev->features |= NETIF_F_TSO6;
2162 #endif
2163         } else {
2164 #ifndef HAVE_NETDEV_VLAN_FEATURES
2165 #ifdef NETIF_F_HW_VLAN_TX
2166                 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2167                 /* disable TSO on all VLANs if they're present */
2168                 if (adapter->vlgrp) {
2169                         int i;
2170                         struct net_device *v_netdev;
2171                         for (i = 0; i < VLAN_N_VID; i++) {
2172                                 v_netdev =
2173                                        vlan_group_get_device(adapter->vlgrp, i);
2174                                 if (v_netdev) {
2175                                         v_netdev->features &= ~NETIF_F_TSO;
2176 #ifdef NETIF_F_TSO6
2177                                         v_netdev->features &= ~NETIF_F_TSO6;
2178 #endif
2179                                         vlan_group_set_device(adapter->vlgrp, i,
2180                                                               v_netdev);
2181                                 }
2182                         }
2183                 }
2184 #endif
2185 #endif /* HAVE_NETDEV_VLAN_FEATURES */
2186                 netdev->features &= ~NETIF_F_TSO;
2187 #ifdef NETIF_F_TSO6
2188                 netdev->features &= ~NETIF_F_TSO6;
2189 #endif
2190         }
2191         return 0;
2192 }
2193
2194 #endif /* NETIF_F_TSO */
2195 #ifdef ETHTOOL_GFLAGS
2196 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
2197 {
2198         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2199         u32 supported_flags = ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN;
2200         u32 changed = netdev->features ^ data;
2201         bool need_reset = false;
2202         int rc;
2203
2204 #ifndef HAVE_VLAN_RX_REGISTER
2205         if ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) &&
2206             !(data & ETH_FLAG_RXVLAN))
2207                 return -EINVAL;
2208
2209 #endif
2210 #ifdef NETIF_F_RXHASH
2211         if (adapter->flags & IXGBE_FLAG_RSS_ENABLED)
2212                 supported_flags |= ETH_FLAG_RXHASH;
2213 #endif
2214 #ifdef IXGBE_NO_LRO
2215         if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE)
2216 #endif
2217                 supported_flags |= ETH_FLAG_LRO;
2218
2219 #ifdef ETHTOOL_GRXRINGS
2220         switch (adapter->hw.mac.type) {
2221         case ixgbe_mac_X540:
2222         case ixgbe_mac_82599EB:
2223                 supported_flags |= ETH_FLAG_NTUPLE;
2224         default:
2225                 break;
2226         }
2227
2228 #endif
2229         rc = ethtool_op_set_flags(netdev, data, supported_flags);
2230         if (rc)
2231                 return rc;
2232
2233 #ifndef HAVE_VLAN_RX_REGISTER
2234         if (changed & ETH_FLAG_RXVLAN)
2235                 ixgbe_vlan_mode(netdev, netdev->features);
2236
2237 #endif
2238         /* if state changes we need to update adapter->flags and reset */
2239         if (!(netdev->features & NETIF_F_LRO)) {
2240                 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
2241                         need_reset = true;
2242                 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2243         } else if ((adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) &&
2244                    !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2245                 if (adapter->rx_itr_setting == 1 ||
2246                     adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2247                         adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2248                         need_reset = true;
2249                 } else if (changed & ETH_FLAG_LRO) {
2250 #ifdef IXGBE_NO_LRO
2251                         e_info(probe, "rx-usecs set too low, "
2252                                "disabling RSC\n");
2253 #else
2254                         e_info(probe, "rx-usecs set too low, "
2255                                "falling back to software LRO\n");
2256 #endif
2257                 }
2258         }
2259
2260 #ifdef ETHTOOL_GRXRINGS
2261         /*
2262          * Check if Flow Director n-tuple support was enabled or disabled.  If
2263          * the state changed, we need to reset.
2264          */
2265         if (!(netdev->features & NETIF_F_NTUPLE)) {
2266                 if (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) {
2267                         /* turn off Flow Director, set ATR and reset */
2268                         if ((adapter->flags & IXGBE_FLAG_RSS_ENABLED) &&
2269                             !(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
2270                                 adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
2271                         need_reset = true;
2272                 }
2273                 adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2274         } else if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) {
2275                 /* turn off ATR, enable perfect filters and reset */
2276                 adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
2277                 adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2278                 need_reset = true;
2279         }
2280
2281 #endif /* ETHTOOL_GRXRINGS */
2282         if (need_reset)
2283                 ixgbe_do_reset(netdev);
2284
2285         return 0;
2286 }
2287
2288 #endif /* ETHTOOL_GFLAGS */
2289 #endif /* HAVE_NDO_SET_FEATURES */
2290 #ifdef ETHTOOL_GRXRINGS
2291 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2292                                         struct ethtool_rxnfc *cmd)
2293 {
2294         union ixgbe_atr_input *mask = &adapter->fdir_mask;
2295         struct ethtool_rx_flow_spec *fsp =
2296                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2297         struct hlist_node *node, *node2;
2298         struct ixgbe_fdir_filter *rule = NULL;
2299
2300         /* report total rule count */
2301         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2302
2303         hlist_for_each_entry_safe(rule, node, node2,
2304                                   &adapter->fdir_filter_list, fdir_node) {
2305                 if (fsp->location <= rule->sw_idx)
2306                         break;
2307         }
2308
2309         if (!rule || fsp->location != rule->sw_idx)
2310                 return -EINVAL;
2311
2312         /* fill out the flow spec entry */
2313
2314         /* set flow type field */
2315         switch (rule->filter.formatted.flow_type) {
2316         case IXGBE_ATR_FLOW_TYPE_TCPV4:
2317                 fsp->flow_type = TCP_V4_FLOW;
2318                 break;
2319         case IXGBE_ATR_FLOW_TYPE_UDPV4:
2320                 fsp->flow_type = UDP_V4_FLOW;
2321                 break;
2322         case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2323                 fsp->flow_type = SCTP_V4_FLOW;
2324                 break;
2325         case IXGBE_ATR_FLOW_TYPE_IPV4:
2326                 fsp->flow_type = IP_USER_FLOW;
2327                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2328                 fsp->h_u.usr_ip4_spec.proto = 0;
2329                 fsp->m_u.usr_ip4_spec.proto = 0;
2330                 break;
2331         default:
2332                 return -EINVAL;
2333         }
2334
2335         fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2336         fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2337         fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2338         fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2339         fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2340         fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2341         fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2342         fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2343         fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2344         fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2345         fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2346         fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2347         fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2348         fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2349         fsp->flow_type |= FLOW_EXT;
2350
2351         /* record action */
2352         if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2353                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2354         else
2355                 fsp->ring_cookie = rule->action;
2356
2357         return 0;
2358 }
2359
2360 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2361                                       struct ethtool_rxnfc *cmd,
2362                                       u32 *rule_locs)
2363 {
2364         struct hlist_node *node, *node2;
2365         struct ixgbe_fdir_filter *rule;
2366         int cnt = 0;
2367
2368         /* report total rule count */
2369         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2370
2371         hlist_for_each_entry_safe(rule, node, node2,
2372                                   &adapter->fdir_filter_list, fdir_node) {
2373                 if (cnt == cmd->rule_cnt)
2374                         return -EMSGSIZE;
2375                 rule_locs[cnt] = rule->sw_idx;
2376                 cnt++;
2377         }
2378
2379         cmd->rule_cnt = cnt;
2380
2381         return 0;
2382 }
2383
2384 static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter,
2385                                    struct ethtool_rxnfc *cmd)
2386 {
2387         cmd->data = 0;
2388
2389         /* if RSS is disabled then report no hashing */
2390         if (!(adapter->flags & IXGBE_FLAG_RSS_ENABLED))
2391                 return 0;
2392
2393         /* Report default options for RSS on ixgbe */
2394         switch (cmd->flow_type) {
2395         case TCP_V4_FLOW:
2396                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2397         case UDP_V4_FLOW:
2398                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2399                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2400         case SCTP_V4_FLOW:
2401         case AH_ESP_V4_FLOW:
2402         case AH_V4_FLOW:
2403         case ESP_V4_FLOW:
2404         case IPV4_FLOW:
2405                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2406                 break;
2407         case TCP_V6_FLOW:
2408                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2409         case UDP_V6_FLOW:
2410                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2411                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2412         case SCTP_V6_FLOW:
2413         case AH_ESP_V6_FLOW:
2414         case AH_V6_FLOW:
2415         case ESP_V6_FLOW:
2416         case IPV6_FLOW:
2417                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2418                 break;
2419         default:
2420                 return -EINVAL;
2421         }
2422
2423         return 0;
2424 }
2425
2426 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2427 #ifdef HAVE_ETHTOOL_GET_RXNFC_VOID_RULE_LOCS
2428                            void *rule_locs)
2429 #else
2430                            u32 *rule_locs)
2431 #endif
2432 {
2433         struct ixgbe_adapter *adapter = netdev_priv(dev);
2434         int ret = -EOPNOTSUPP;
2435
2436         switch (cmd->cmd) {
2437         case ETHTOOL_GRXRINGS:
2438                 cmd->data = adapter->num_rx_queues;
2439                 ret = 0;
2440                 break;
2441         case ETHTOOL_GRXCLSRLCNT:
2442                 cmd->rule_cnt = adapter->fdir_filter_count;
2443                 ret = 0;
2444                 break;
2445         case ETHTOOL_GRXCLSRULE:
2446                 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2447                 break;
2448         case ETHTOOL_GRXCLSRLALL:
2449                 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd,
2450                                                  (u32 *)rule_locs);
2451                 break;
2452         case ETHTOOL_GRXFH:
2453                 ret = ixgbe_get_rss_hash_opts(adapter, cmd);
2454                 break;
2455         default:
2456                 break;
2457         }
2458
2459         return ret;
2460 }
2461
2462 static int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2463                                            struct ixgbe_fdir_filter *input,
2464                                            u16 sw_idx)
2465 {
2466         struct ixgbe_hw *hw = &adapter->hw;
2467         struct hlist_node *node, *node2, *parent;
2468         struct ixgbe_fdir_filter *rule;
2469         int err = -EINVAL;
2470
2471         parent = NULL;
2472         rule = NULL;
2473
2474         hlist_for_each_entry_safe(rule, node, node2,
2475                                   &adapter->fdir_filter_list, fdir_node) {
2476                 /* hash found, or no matching entry */
2477                 if (rule->sw_idx >= sw_idx)
2478                         break;
2479                 parent = node;
2480         }
2481
2482         /* if there is an old rule occupying our place remove it */
2483         if (rule && (rule->sw_idx == sw_idx)) {
2484                 if (!input || (rule->filter.formatted.bkt_hash !=
2485                                input->filter.formatted.bkt_hash)) {
2486                         err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2487                                                                 &rule->filter,
2488                                                                 sw_idx);
2489                 }
2490
2491                 hlist_del(&rule->fdir_node);
2492                 kfree(rule);
2493                 adapter->fdir_filter_count--;
2494         }
2495
2496         /*
2497          * If no input this was a delete, err should be 0 if a rule was
2498          * successfully found and removed from the list else -EINVAL
2499          */
2500         if (!input)
2501                 return err;
2502
2503         /* initialize node and set software index */
2504         INIT_HLIST_NODE(&input->fdir_node);
2505
2506         /* add filter to the list */
2507         if (parent)
2508                 hlist_add_after(parent, &input->fdir_node);
2509         else
2510                 hlist_add_head(&input->fdir_node,
2511                                &adapter->fdir_filter_list);
2512
2513         /* update counts */
2514         adapter->fdir_filter_count++;
2515
2516         return 0;
2517 }
2518
2519 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2520                                        u8 *flow_type)
2521 {
2522         switch (fsp->flow_type & ~FLOW_EXT) {
2523         case TCP_V4_FLOW:
2524                 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2525                 break;
2526         case UDP_V4_FLOW:
2527                 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2528                 break;
2529         case SCTP_V4_FLOW:
2530                 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2531                 break;
2532         case IP_USER_FLOW:
2533                 switch (fsp->h_u.usr_ip4_spec.proto) {
2534                 case IPPROTO_TCP:
2535                         *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2536                         break;
2537                 case IPPROTO_UDP:
2538                         *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2539                         break;
2540                 case IPPROTO_SCTP:
2541                         *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2542                         break;
2543                 case 0:
2544                         if (!fsp->m_u.usr_ip4_spec.proto) {
2545                                 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2546                                 break;
2547                         }
2548                 default:
2549                         return 0;
2550                 }
2551                 break;
2552         default:
2553                 return 0;
2554         }
2555
2556         return 1;
2557 }
2558
2559 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2560                                         struct ethtool_rxnfc *cmd)
2561 {
2562         struct ethtool_rx_flow_spec *fsp =
2563                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2564         struct ixgbe_hw *hw = &adapter->hw;
2565         struct ixgbe_fdir_filter *input;
2566         union ixgbe_atr_input mask;
2567         int err;
2568
2569         if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2570                 return -EOPNOTSUPP;
2571
2572         /*
2573          * Don't allow programming if the action is a queue greater than
2574          * the number of online Rx queues.
2575          */
2576         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2577             (fsp->ring_cookie >= adapter->num_rx_queues))
2578                 return -EINVAL;
2579
2580         /* Don't allow indexes to exist outside of available space */
2581         if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2582                 e_err(drv, "Location out of range\n");
2583                 return -EINVAL;
2584         }
2585
2586         input = kzalloc(sizeof(*input), GFP_ATOMIC);
2587         if (!input)
2588                 return -ENOMEM;
2589
2590         memset(&mask, 0, sizeof(union ixgbe_atr_input));
2591
2592         /* set SW index */
2593         input->sw_idx = fsp->location;
2594
2595         /* record flow type */
2596         if (!ixgbe_flowspec_to_flow_type(fsp,
2597                                          &input->filter.formatted.flow_type)) {
2598                 e_err(drv, "Unrecognized flow type\n");
2599                 goto err_out;
2600         }
2601
2602         mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2603                                    IXGBE_ATR_L4TYPE_MASK;
2604
2605         if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2606                 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2607
2608         /* Copy input into formatted structures */
2609         input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2610         mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2611         input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2612         mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2613         input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2614         mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2615         input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2616         mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2617
2618         if (fsp->flow_type & FLOW_EXT) {
2619                 input->filter.formatted.vm_pool =
2620                                 (unsigned char)ntohl(fsp->h_ext.data[1]);
2621                 mask.formatted.vm_pool =
2622                                 (unsigned char)ntohl(fsp->m_ext.data[1]);
2623                 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2624                 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2625                 input->filter.formatted.flex_bytes =
2626                                                 fsp->h_ext.vlan_etype;
2627                 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2628         }
2629
2630         /* determine if we need to drop or route the packet */
2631         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2632                 input->action = IXGBE_FDIR_DROP_QUEUE;
2633         else
2634                 input->action = fsp->ring_cookie;
2635
2636         spin_lock(&adapter->fdir_perfect_lock);
2637
2638         if (hlist_empty(&adapter->fdir_filter_list)) {
2639                 /* save mask and program input mask into HW */
2640                 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2641                 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2642                 if (err) {
2643                         e_err(drv, "Error writing mask\n");
2644                         goto err_out_w_lock;
2645                 }
2646         } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2647                 e_err(drv, "Only one mask supported per port\n");
2648                 goto err_out_w_lock;
2649         }
2650
2651         /* apply mask and compute/store hash */
2652         ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2653
2654         /* program filters to filter memory */
2655         err = ixgbe_fdir_write_perfect_filter_82599(hw,
2656                                 &input->filter, input->sw_idx,
2657                                 (input->action == IXGBE_FDIR_DROP_QUEUE) ?
2658                                 IXGBE_FDIR_DROP_QUEUE :
2659                                 adapter->rx_ring[input->action]->reg_idx);
2660         if (err)
2661                 goto err_out_w_lock;
2662
2663         ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2664
2665         spin_unlock(&adapter->fdir_perfect_lock);
2666
2667         kfree(input);
2668         return err;
2669 err_out_w_lock:
2670         spin_unlock(&adapter->fdir_perfect_lock);
2671 err_out:
2672         kfree(input);
2673         return -EINVAL;
2674 }
2675
2676 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2677                                         struct ethtool_rxnfc *cmd)
2678 {
2679         struct ethtool_rx_flow_spec *fsp =
2680                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2681         int err;
2682
2683         spin_lock(&adapter->fdir_perfect_lock);
2684         err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, (u16)(fsp->location));
2685         spin_unlock(&adapter->fdir_perfect_lock);
2686
2687         return err;
2688 }
2689
2690 #ifdef ETHTOOL_SRXNTUPLE
2691 /*
2692  * We need to keep this around for kernels 2.6.33 - 2.6.39 in order to avoid
2693  * a null pointer dereference as it was assumend if the NETIF_F_NTUPLE flag
2694  * was defined that this function was present.
2695  */
2696 static int ixgbe_set_rx_ntuple(struct net_device *dev,
2697                                struct ethtool_rx_ntuple *cmd)
2698 {
2699         return -EOPNOTSUPP;
2700 }
2701
2702 #endif
2703 #define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
2704                        IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2705 static int ixgbe_set_rss_hash_opt(struct ixgbe_adapter *adapter,
2706                                   struct ethtool_rxnfc *nfc)
2707 {
2708         u32 flags2 = adapter->flags2;
2709
2710         /*
2711          * RSS does not support anything other than hashing
2712          * to queues on src and dst IPs and ports
2713          */
2714         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2715                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2716                 return -EINVAL;
2717
2718         switch (nfc->flow_type) {
2719         case TCP_V4_FLOW:
2720         case TCP_V6_FLOW:
2721                 if (!(nfc->data & RXH_IP_SRC) ||
2722                     !(nfc->data & RXH_IP_DST) ||
2723                     !(nfc->data & RXH_L4_B_0_1) ||
2724                     !(nfc->data & RXH_L4_B_2_3))
2725                         return -EINVAL;
2726                 break;
2727         case UDP_V4_FLOW:
2728                 if (!(nfc->data & RXH_IP_SRC) ||
2729                     !(nfc->data & RXH_IP_DST))
2730                         return -EINVAL;
2731                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2732                 case 0:
2733                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2734                         break;
2735                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2736                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2737                         break;
2738                 default:
2739                         return -EINVAL;
2740                 }
2741                 break;
2742         case UDP_V6_FLOW:
2743                 if (!(nfc->data & RXH_IP_SRC) ||
2744                     !(nfc->data & RXH_IP_DST))
2745                         return -EINVAL;
2746                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2747                 case 0:
2748                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2749                         break;
2750                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2751                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2752                         break;
2753                 default:
2754                         return -EINVAL;
2755                 }
2756                 break;
2757         case AH_ESP_V4_FLOW:
2758         case AH_V4_FLOW:
2759         case ESP_V4_FLOW:
2760         case SCTP_V4_FLOW:
2761         case AH_ESP_V6_FLOW:
2762         case AH_V6_FLOW:
2763         case ESP_V6_FLOW:
2764         case SCTP_V6_FLOW:
2765                 if (!(nfc->data & RXH_IP_SRC) ||
2766                     !(nfc->data & RXH_IP_DST) ||
2767                     (nfc->data & RXH_L4_B_0_1) ||
2768                     (nfc->data & RXH_L4_B_2_3))
2769                         return -EINVAL;
2770                 break;
2771         default:
2772                 return -EINVAL;
2773         }
2774
2775         /* if we changed something we need to update flags */
2776         if (flags2 != adapter->flags2) {
2777                 struct ixgbe_hw *hw = &adapter->hw;
2778                 u32 mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
2779
2780                 if ((flags2 & UDP_RSS_FLAGS) &&
2781                     !(adapter->flags2 & UDP_RSS_FLAGS))
2782                         e_warn(drv, "enabling UDP RSS: fragmented packets"
2783                                " may arrive out of order to the stack above\n");
2784
2785                 adapter->flags2 = flags2;
2786
2787                 /* Perform hash on these packet types */
2788                 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
2789                       | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
2790                       | IXGBE_MRQC_RSS_FIELD_IPV6
2791                       | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
2792
2793                 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
2794                           IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
2795
2796                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2797                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
2798
2799                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2800                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
2801
2802                 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
2803         }
2804
2805         return 0;
2806 }
2807
2808 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2809 {
2810         struct ixgbe_adapter *adapter = netdev_priv(dev);
2811         int ret = -EOPNOTSUPP;
2812
2813         switch (cmd->cmd) {
2814         case ETHTOOL_SRXCLSRLINS:
2815                 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
2816                 break;
2817         case ETHTOOL_SRXCLSRLDEL:
2818                 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
2819                 break;
2820         case ETHTOOL_SRXFH:
2821                 ret = ixgbe_set_rss_hash_opt(adapter, cmd);
2822                 break;
2823         default:
2824                 break;
2825         }
2826
2827         return ret;
2828 }
2829
2830 #endif /* ETHTOOL_GRXRINGS */
2831 //static
2832 struct ethtool_ops ixgbe_ethtool_ops = {
2833         .get_settings           = ixgbe_get_settings,
2834         .set_settings           = ixgbe_set_settings,
2835         .get_drvinfo            = ixgbe_get_drvinfo,
2836         .get_regs_len           = ixgbe_get_regs_len,
2837         .get_regs               = ixgbe_get_regs,
2838         .get_wol                = ixgbe_get_wol,
2839         .set_wol                = ixgbe_set_wol,
2840         .nway_reset             = ixgbe_nway_reset,
2841         .get_link               = ethtool_op_get_link,
2842         .get_eeprom_len         = ixgbe_get_eeprom_len,
2843         .get_eeprom             = ixgbe_get_eeprom,
2844         .set_eeprom             = ixgbe_set_eeprom,
2845         .get_ringparam          = ixgbe_get_ringparam,
2846         .set_ringparam          = ixgbe_set_ringparam,
2847         .get_pauseparam         = ixgbe_get_pauseparam,
2848         .set_pauseparam         = ixgbe_set_pauseparam,
2849         .get_msglevel           = ixgbe_get_msglevel,
2850         .set_msglevel           = ixgbe_set_msglevel,
2851 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
2852         .self_test_count        = ixgbe_diag_test_count,
2853 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
2854         .self_test              = ixgbe_diag_test,
2855         .get_strings            = ixgbe_get_strings,
2856 #ifdef HAVE_ETHTOOL_SET_PHYS_ID
2857         .set_phys_id            = ixgbe_set_phys_id,
2858 #else
2859         .phys_id                = ixgbe_phys_id,
2860 #endif /* HAVE_ETHTOOL_SET_PHYS_ID */
2861 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
2862         .get_stats_count        = ixgbe_get_stats_count,
2863 #else /* HAVE_ETHTOOL_GET_SSET_COUNT */
2864         .get_sset_count         = ixgbe_get_sset_count,
2865 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
2866         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
2867 #ifdef HAVE_ETHTOOL_GET_PERM_ADDR
2868         .get_perm_addr          = ethtool_op_get_perm_addr,
2869 #endif
2870         .get_coalesce           = ixgbe_get_coalesce,
2871         .set_coalesce           = ixgbe_set_coalesce,
2872 #ifndef HAVE_NDO_SET_FEATURES
2873         .get_rx_csum            = ixgbe_get_rx_csum,
2874         .set_rx_csum            = ixgbe_set_rx_csum,
2875         .get_tx_csum            = ixgbe_get_tx_csum,
2876         .set_tx_csum            = ixgbe_set_tx_csum,
2877         .get_sg                 = ethtool_op_get_sg,
2878         .set_sg                 = ethtool_op_set_sg,
2879 #ifdef NETIF_F_TSO
2880         .get_tso                = ethtool_op_get_tso,
2881         .set_tso                = ixgbe_set_tso,
2882 #endif
2883 #ifdef ETHTOOL_GFLAGS
2884         .get_flags              = ethtool_op_get_flags,
2885         .set_flags              = ixgbe_set_flags,
2886 #endif
2887 #endif /* HAVE_NDO_SET_FEATURES */
2888 #ifdef ETHTOOL_GRXRINGS
2889         .get_rxnfc              = ixgbe_get_rxnfc,
2890         .set_rxnfc              = ixgbe_set_rxnfc,
2891 #ifdef ETHTOOL_SRXNTUPLE
2892         .set_rx_ntuple          = ixgbe_set_rx_ntuple,
2893 #endif
2894 #endif
2895 };
2896
2897 void ixgbe_set_ethtool_ops(struct net_device *netdev)
2898 {
2899         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
2900 }
2901 #endif /* SIOCETHTOOL */