kernel/linux/kni/ethtool/ixgbe/ixgbe_ethtool.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*******************************************************************************
   3
   4   Intel 10 Gigabit PCI Express Linux driver
   5   Copyright(c) 1999 - 2012 Intel Corporation.
   6
   7   Contact Information:
   8   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
   9   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  10
  11 *******************************************************************************/
  12
  13 /* ethtool support for ixgbe */
  14
  15 #include <linux/types.h>
  16 #include <linux/module.h>
  17 #include <linux/pci.h>
  18 #include <linux/netdevice.h>
  19 #include <linux/ethtool.h>
  20 #include <linux/vmalloc.h>
  21 #include <linux/highmem.h>
  22 #ifdef SIOCETHTOOL
  23 #include <asm/uaccess.h>
  24
  25 #include "ixgbe.h"
  26
  27 #ifndef ETH_GSTRING_LEN
  28 #define ETH_GSTRING_LEN 32
  29 #endif
  30
  31 #define IXGBE_ALL_RAR_ENTRIES 16
  32
  33 #ifdef ETHTOOL_OPS_COMPAT
  34 #include "kcompat_ethtool.c"
  35 #endif
  36 #ifdef ETHTOOL_GSTATS
  37 struct ixgbe_stats {
  38         char stat_string[ETH_GSTRING_LEN];
  39         int sizeof_stat;
  40         int stat_offset;
  41 };
  42
  43 #define IXGBE_NETDEV_STAT(_net_stat) { \
  44         .stat_string = #_net_stat, \
  45         .sizeof_stat = FIELD_SIZEOF(struct net_device_stats, _net_stat), \
  46         .stat_offset = offsetof(struct net_device_stats, _net_stat) \
  47 }
  48 static const struct ixgbe_stats ixgbe_gstrings_net_stats[] = {
  49         IXGBE_NETDEV_STAT(rx_packets),
  50         IXGBE_NETDEV_STAT(tx_packets),
  51         IXGBE_NETDEV_STAT(rx_bytes),
  52         IXGBE_NETDEV_STAT(tx_bytes),
  53         IXGBE_NETDEV_STAT(rx_errors),
  54         IXGBE_NETDEV_STAT(tx_errors),
  55         IXGBE_NETDEV_STAT(rx_dropped),
  56         IXGBE_NETDEV_STAT(tx_dropped),
  57         IXGBE_NETDEV_STAT(multicast),
  58         IXGBE_NETDEV_STAT(collisions),
  59         IXGBE_NETDEV_STAT(rx_over_errors),
  60         IXGBE_NETDEV_STAT(rx_crc_errors),
  61         IXGBE_NETDEV_STAT(rx_frame_errors),
  62         IXGBE_NETDEV_STAT(rx_fifo_errors),
  63         IXGBE_NETDEV_STAT(rx_missed_errors),
  64         IXGBE_NETDEV_STAT(tx_aborted_errors),
  65         IXGBE_NETDEV_STAT(tx_carrier_errors),
  66         IXGBE_NETDEV_STAT(tx_fifo_errors),
  67         IXGBE_NETDEV_STAT(tx_heartbeat_errors),
  68 };
  69
  70 #define IXGBE_STAT(_name, _stat) { \
  71         .stat_string = _name, \
  72         .sizeof_stat = FIELD_SIZEOF(struct ixgbe_adapter, _stat), \
  73         .stat_offset = offsetof(struct ixgbe_adapter, _stat) \
  74 }
  75 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
  76         IXGBE_STAT("rx_pkts_nic", stats.gprc),
  77         IXGBE_STAT("tx_pkts_nic", stats.gptc),
  78         IXGBE_STAT("rx_bytes_nic", stats.gorc),
  79         IXGBE_STAT("tx_bytes_nic", stats.gotc),
  80         IXGBE_STAT("lsc_int", lsc_int),
  81         IXGBE_STAT("tx_busy", tx_busy),
  82         IXGBE_STAT("non_eop_descs", non_eop_descs),
  83 #ifndef CONFIG_IXGBE_NAPI
  84         IXGBE_STAT("rx_dropped_backlog", rx_dropped_backlog),
  85 #endif
  86         IXGBE_STAT("broadcast", stats.bprc),
  87         IXGBE_STAT("rx_no_buffer_count", stats.rnbc[0]) ,
  88         IXGBE_STAT("tx_timeout_count", tx_timeout_count),
  89         IXGBE_STAT("tx_restart_queue", restart_queue),
  90         IXGBE_STAT("rx_long_length_errors", stats.roc),
  91         IXGBE_STAT("rx_short_length_errors", stats.ruc),
  92         IXGBE_STAT("tx_flow_control_xon", stats.lxontxc),
  93         IXGBE_STAT("rx_flow_control_xon", stats.lxonrxc),
  94         IXGBE_STAT("tx_flow_control_xoff", stats.lxofftxc),
  95         IXGBE_STAT("rx_flow_control_xoff", stats.lxoffrxc),
  96         IXGBE_STAT("rx_csum_offload_errors", hw_csum_rx_error),
  97         IXGBE_STAT("alloc_rx_page_failed", alloc_rx_page_failed),
  98         IXGBE_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
  99 #ifndef IXGBE_NO_LRO
 100         IXGBE_STAT("lro_aggregated", lro_stats.coal),
 101         IXGBE_STAT("lro_flushed", lro_stats.flushed),
 102 #endif /* IXGBE_NO_LRO */
 103         IXGBE_STAT("rx_no_dma_resources", hw_rx_no_dma_resources),
 104         IXGBE_STAT("hw_rsc_aggregated", rsc_total_count),
 105         IXGBE_STAT("hw_rsc_flushed", rsc_total_flush),
 106 #ifdef HAVE_TX_MQ
 107         IXGBE_STAT("fdir_match", stats.fdirmatch),
 108         IXGBE_STAT("fdir_miss", stats.fdirmiss),
 109         IXGBE_STAT("fdir_overflow", fdir_overflow),
 110 #endif /* HAVE_TX_MQ */
 111 #ifdef IXGBE_FCOE
 112         IXGBE_STAT("fcoe_bad_fccrc", stats.fccrc),
 113         IXGBE_STAT("fcoe_last_errors", stats.fclast),
 114         IXGBE_STAT("rx_fcoe_dropped", stats.fcoerpdc),
 115         IXGBE_STAT("rx_fcoe_packets", stats.fcoeprc),
 116         IXGBE_STAT("rx_fcoe_dwords", stats.fcoedwrc),
 117         IXGBE_STAT("fcoe_noddp", stats.fcoe_noddp),
 118         IXGBE_STAT("fcoe_noddp_ext_buff", stats.fcoe_noddp_ext_buff),
 119         IXGBE_STAT("tx_fcoe_packets", stats.fcoeptc),
 120         IXGBE_STAT("tx_fcoe_dwords", stats.fcoedwtc),
 121 #endif /* IXGBE_FCOE */
 122         IXGBE_STAT("os2bmc_rx_by_bmc", stats.o2bgptc),
 123         IXGBE_STAT("os2bmc_tx_by_bmc", stats.b2ospc),
 124         IXGBE_STAT("os2bmc_tx_by_host", stats.o2bspc),
 125         IXGBE_STAT("os2bmc_rx_by_host", stats.b2ogprc),
 126 };
 127
 128 #define IXGBE_QUEUE_STATS_LEN \
 129         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
 130          ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
 131           (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 132 #define IXGBE_GLOBAL_STATS_LEN  ARRAY_SIZE(ixgbe_gstrings_stats)
 133 #define IXGBE_NETDEV_STATS_LEN  ARRAY_SIZE(ixgbe_gstrings_net_stats)
 134 #define IXGBE_PB_STATS_LEN ( \
 135                 (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
 136                  IXGBE_FLAG_DCB_ENABLED) ? \
 137                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 138                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 139                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 140                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 141                  / sizeof(u64) : 0)
 142 #define IXGBE_VF_STATS_LEN \
 143         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_vfs) * \
 144           (sizeof(struct vf_stats) / sizeof(u64)))
 145 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 146                          IXGBE_NETDEV_STATS_LEN + \
 147                          IXGBE_PB_STATS_LEN + \
 148                          IXGBE_QUEUE_STATS_LEN + \
 149                          IXGBE_VF_STATS_LEN)
 150
 151 #endif /* ETHTOOL_GSTATS */
 152 #ifdef ETHTOOL_TEST
 153 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
 154         "Register test  (offline)", "Eeprom test    (offline)",
 155         "Interrupt test (offline)", "Loopback test  (offline)",
 156         "Link test   (on/offline)"
 157 };
 158 #define IXGBE_TEST_LEN  (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
 159 #endif /* ETHTOOL_TEST */
 160
 161 #ifndef ETHTOOL_GLINKSETTINGS
 162 int ixgbe_get_settings(struct net_device *netdev,
 163                        struct ethtool_cmd *ecmd)
 164 {
 165         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 166         struct ixgbe_hw *hw = &adapter->hw;
 167         u32 link_speed = 0;
 168         bool link_up;
 169
 170         ecmd->supported = SUPPORTED_10000baseT_Full;
 171         ecmd->autoneg = AUTONEG_ENABLE;
 172         ecmd->transceiver = XCVR_EXTERNAL;
 173         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 174             (hw->phy.multispeed_fiber)) {
 175                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
 176                                     SUPPORTED_Autoneg);
 177                 switch (hw->mac.type) {
 178                 case ixgbe_mac_X540:
 179                         ecmd->supported |= SUPPORTED_100baseT_Full;
 180                         break;
 181                 default:
 182                         break;
 183                 }
 184
 185                 ecmd->advertising = ADVERTISED_Autoneg;
 186                 if (hw->phy.autoneg_advertised) {
 187                         if (hw->phy.autoneg_advertised &
 188                             IXGBE_LINK_SPEED_100_FULL)
 189                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 190                         if (hw->phy.autoneg_advertised &
 191                             IXGBE_LINK_SPEED_10GB_FULL)
 192                                 ecmd->advertising |= ADVERTISED_10000baseT_Full;
 193                         if (hw->phy.autoneg_advertised &
 194                             IXGBE_LINK_SPEED_1GB_FULL)
 195                                 ecmd->advertising |= ADVERTISED_1000baseT_Full;
 196                 } else {
 197                         /*
 198                          * Default advertised modes in case
 199                          * phy.autoneg_advertised isn't set.
 200                          */
 201                         ecmd->advertising |= (ADVERTISED_10000baseT_Full |
 202                                               ADVERTISED_1000baseT_Full);
 203                         if (hw->mac.type == ixgbe_mac_X540)
 204                                 ecmd->advertising |= ADVERTISED_100baseT_Full;
 205                 }
 206
 207                 if (hw->phy.media_type == ixgbe_media_type_copper) {
 208                         ecmd->supported |= SUPPORTED_TP;
 209                         ecmd->advertising |= ADVERTISED_TP;
 210                         ecmd->port = PORT_TP;
 211                 } else {
 212                         ecmd->supported |= SUPPORTED_FIBRE;
 213                         ecmd->advertising |= ADVERTISED_FIBRE;
 214                         ecmd->port = PORT_FIBRE;
 215                 }
 216         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
 217                 /* Set as FIBRE until SERDES defined in kernel */
 218                 if (hw->device_id == IXGBE_DEV_ID_82598_BX) {
 219                         ecmd->supported = (SUPPORTED_1000baseT_Full |
 220                                            SUPPORTED_FIBRE);
 221                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 222                                              ADVERTISED_FIBRE);
 223                         ecmd->port = PORT_FIBRE;
 224                         ecmd->autoneg = AUTONEG_DISABLE;
 225                 } else if ((hw->device_id == IXGBE_DEV_ID_82599_COMBO_BACKPLANE)
 226                           || (hw->device_id == IXGBE_DEV_ID_82599_KX4_MEZZ)) {
 227                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 228                                             SUPPORTED_Autoneg |
 229                                             SUPPORTED_FIBRE);
 230                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 231                                              ADVERTISED_1000baseT_Full |
 232                                              ADVERTISED_Autoneg |
 233                                              ADVERTISED_FIBRE);
 234                         ecmd->port = PORT_FIBRE;
 235                 } else {
 236                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 237                                             SUPPORTED_FIBRE);
 238                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 239                                              ADVERTISED_1000baseT_Full |
 240                                              ADVERTISED_FIBRE);
 241                         ecmd->port = PORT_FIBRE;
 242                 }
 243         } else {
 244                 ecmd->supported |= SUPPORTED_FIBRE;
 245                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 246                                      ADVERTISED_FIBRE);
 247                 ecmd->port = PORT_FIBRE;
 248                 ecmd->autoneg = AUTONEG_DISABLE;
 249         }
 250
 251 #ifdef HAVE_ETHTOOL_SFP_DISPLAY_PORT
 252         /* Get PHY type */
 253         switch (adapter->hw.phy.type) {
 254         case ixgbe_phy_tn:
 255         case ixgbe_phy_aq:
 256         case ixgbe_phy_cu_unknown:
 257                 /* Copper 10G-BASET */
 258                 ecmd->port = PORT_TP;
 259                 break;
 260         case ixgbe_phy_qt:
 261                 ecmd->port = PORT_FIBRE;
 262                 break;
 263         case ixgbe_phy_nl:
 264         case ixgbe_phy_sfp_passive_tyco:
 265         case ixgbe_phy_sfp_passive_unknown:
 266         case ixgbe_phy_sfp_ftl:
 267         case ixgbe_phy_sfp_avago:
 268         case ixgbe_phy_sfp_intel:
 269         case ixgbe_phy_sfp_unknown:
 270                 switch (adapter->hw.phy.sfp_type) {
 271                 /* SFP+ devices, further checking needed */
 272                 case ixgbe_sfp_type_da_cu:
 273                 case ixgbe_sfp_type_da_cu_core0:
 274                 case ixgbe_sfp_type_da_cu_core1:
 275                         ecmd->port = PORT_DA;
 276                         break;
 277                 case ixgbe_sfp_type_sr:
 278                 case ixgbe_sfp_type_lr:
 279                 case ixgbe_sfp_type_srlr_core0:
 280                 case ixgbe_sfp_type_srlr_core1:
 281                         ecmd->port = PORT_FIBRE;
 282                         break;
 283                 case ixgbe_sfp_type_not_present:
 284                         ecmd->port = PORT_NONE;
 285                         break;
 286                 case ixgbe_sfp_type_1g_cu_core0:
 287                 case ixgbe_sfp_type_1g_cu_core1:
 288                         ecmd->port = PORT_TP;
 289                         ecmd->supported = SUPPORTED_TP;
 290                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 291                                 ADVERTISED_TP);
 292                         break;
 293                 case ixgbe_sfp_type_1g_sx_core0:
 294                 case ixgbe_sfp_type_1g_sx_core1:
 295                         ecmd->port = PORT_FIBRE;
 296                         ecmd->supported = SUPPORTED_FIBRE;
 297                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 298                                 ADVERTISED_FIBRE);
 299                         break;
 300                 case ixgbe_sfp_type_unknown:
 301                 default:
 302                         ecmd->port = PORT_OTHER;
 303                         break;
 304                 }
 305                 break;
 306         case ixgbe_phy_xaui:
 307                 ecmd->port = PORT_NONE;
 308                 break;
 309         case ixgbe_phy_unknown:
 310         case ixgbe_phy_generic:
 311         case ixgbe_phy_sfp_unsupported:
 312         default:
 313                 ecmd->port = PORT_OTHER;
 314                 break;
 315         }
 316 #endif
 317
 318         if (!in_interrupt()) {
 319                 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 320         } else {
 321                 /*
 322                  * this case is a special workaround for RHEL5 bonding
 323                  * that calls this routine from interrupt context
 324                  */
 325                 link_speed = adapter->link_speed;
 326                 link_up = adapter->link_up;
 327         }
 328
 329         if (link_up) {
 330                 switch (link_speed) {
 331                 case IXGBE_LINK_SPEED_10GB_FULL:
 332                         ecmd->speed = SPEED_10000;
 333                         break;
 334                 case IXGBE_LINK_SPEED_1GB_FULL:
 335                         ecmd->speed = SPEED_1000;
 336                         break;
 337                 case IXGBE_LINK_SPEED_100_FULL:
 338                         ecmd->speed = SPEED_100;
 339                         break;
 340                 default:
 341                         break;
 342                 }
 343                 ecmd->duplex = DUPLEX_FULL;
 344         } else {
 345                 ecmd->speed = -1;
 346                 ecmd->duplex = -1;
 347         }
 348
 349         return 0;
 350 }
 351 #endif
 352
 353 #ifndef ETHTOOL_SLINKSETTINGS
 354 static int ixgbe_set_settings(struct net_device *netdev,
 355                               struct ethtool_cmd *ecmd)
 356 {
 357         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 358         struct ixgbe_hw *hw = &adapter->hw;
 359         u32 advertised, old;
 360         s32 err = 0;
 361
 362         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 363             (hw->phy.multispeed_fiber)) {
 364                 /*
 365                  * this function does not support duplex forcing, but can
 366                  * limit the advertising of the adapter to the specified speed
 367                  */
 368                 if (ecmd->autoneg == AUTONEG_DISABLE)
 369                         return -EINVAL;
 370
 371                 if (ecmd->advertising & ~ecmd->supported)
 372                         return -EINVAL;
 373
 374                 old = hw->phy.autoneg_advertised;
 375                 advertised = 0;
 376                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 377                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 378
 379                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 380                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 381
 382                 if (ecmd->advertising & ADVERTISED_100baseT_Full)
 383                         advertised |= IXGBE_LINK_SPEED_100_FULL;
 384
 385                 if (old == advertised)
 386                         return err;
 387                 /* this sets the link speed and restarts auto-neg */
 388                 hw->mac.autotry_restart = true;
 389                 err = hw->mac.ops.setup_link(hw, advertised, true, true);
 390                 if (err) {
 391                         e_info(probe, "setup link failed with code %d\n", err);
 392                         hw->mac.ops.setup_link(hw, old, true, true);
 393                 }
 394         }
 395         return err;
 396 }
 397 #endif
 398
 399 static void ixgbe_get_pauseparam(struct net_device *netdev,
 400                                  struct ethtool_pauseparam *pause)
 401 {
 402         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 403         struct ixgbe_hw *hw = &adapter->hw;
 404
 405         if (hw->fc.disable_fc_autoneg)
 406                 pause->autoneg = 0;
 407         else
 408                 pause->autoneg = 1;
 409
 410         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 411                 pause->rx_pause = 1;
 412         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 413                 pause->tx_pause = 1;
 414         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 415                 pause->rx_pause = 1;
 416                 pause->tx_pause = 1;
 417         }
 418 }
 419
 420 static int ixgbe_set_pauseparam(struct net_device *netdev,
 421                                 struct ethtool_pauseparam *pause)
 422 {
 423         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 424         struct ixgbe_hw *hw = &adapter->hw;
 425         struct ixgbe_fc_info fc = hw->fc;
 426
 427         /* 82598 does no support link flow control with DCB enabled */
 428         if ((hw->mac.type == ixgbe_mac_82598EB) &&
 429             (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
 430                 return -EINVAL;
 431
 432         fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
 433
 434         if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
 435                 fc.requested_mode = ixgbe_fc_full;
 436         else if (pause->rx_pause)
 437                 fc.requested_mode = ixgbe_fc_rx_pause;
 438         else if (pause->tx_pause)
 439                 fc.requested_mode = ixgbe_fc_tx_pause;
 440         else
 441                 fc.requested_mode = ixgbe_fc_none;
 442
 443         /* if the thing changed then we'll update and use new autoneg */
 444         if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
 445                 hw->fc = fc;
 446                 if (netif_running(netdev))
 447                         ixgbe_reinit_locked(adapter);
 448                 else
 449                         ixgbe_reset(adapter);
 450         }
 451
 452         return 0;
 453 }
 454
 455 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 456 {
 457         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 458         return adapter->msg_enable;
 459 }
 460
 461 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 462 {
 463         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 464         adapter->msg_enable = data;
 465 }
 466
 467 static int ixgbe_get_regs_len(struct net_device *netdev)
 468 {
 469 #define IXGBE_REGS_LEN  1129
 470         return IXGBE_REGS_LEN * sizeof(u32);
 471 }
 472
 473 #define IXGBE_GET_STAT(_A_, _R_)        (_A_->stats._R_)
 474
 475
 476 static void ixgbe_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 477                            void *p)
 478 {
 479         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 480         struct ixgbe_hw *hw = &adapter->hw;
 481         u32 *regs_buff = p;
 482         u8 i;
 483
 484         printk(KERN_DEBUG "ixgbe_get_regs_1\n");
 485         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 486         printk(KERN_DEBUG "ixgbe_get_regs_2 0x%p\n", hw->hw_addr);
 487
 488         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 489
 490         /* General Registers */
 491         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 492         printk(KERN_DEBUG "ixgbe_get_regs_3\n");
 493         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 494         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 495         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 496         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 497         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 498         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 499         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 500
 501         printk(KERN_DEBUG "ixgbe_get_regs_4\n");
 502
 503         /* NVM Register */
 504         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 505         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 506         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 507         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 508         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 509         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 510         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 511         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 512         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 513         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 514
 515         /* Interrupt */
 516         /* don't read EICR because it can clear interrupt causes, instead
 517          * read EICS which is a shadow but doesn't clear EICR */
 518         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 519         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 520         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 521         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 522         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 523         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 524         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 525         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 526         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 527         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 528         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 529         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 530
 531         /* Flow Control */
 532         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 533         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 534         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 535         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 536         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 537         for (i = 0; i < 8; i++) {
 538                 switch (hw->mac.type) {
 539                 case ixgbe_mac_82598EB:
 540                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 541                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 542                         break;
 543                 case ixgbe_mac_82599EB:
 544                 case ixgbe_mac_X540:
 545                         regs_buff[35 + i] = IXGBE_READ_REG(hw,
 546                                                           IXGBE_FCRTL_82599(i));
 547                         regs_buff[43 + i] = IXGBE_READ_REG(hw,
 548                                                           IXGBE_FCRTH_82599(i));
 549                         break;
 550                 default:
 551                         break;
 552                 }
 553         }
 554         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 555         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 556
 557         /* Receive DMA */
 558         for (i = 0; i < 64; i++)
 559                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 560         for (i = 0; i < 64; i++)
 561                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 562         for (i = 0; i < 64; i++)
 563                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 564         for (i = 0; i < 64; i++)
 565                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 566         for (i = 0; i < 64; i++)
 567                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 568         for (i = 0; i < 64; i++)
 569                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 570         for (i = 0; i < 16; i++)
 571                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 572         for (i = 0; i < 16; i++)
 573                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 574         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 575         for (i = 0; i < 8; i++)
 576                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 577         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 578         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 579
 580         /* Receive */
 581         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 582         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 583         for (i = 0; i < 16; i++)
 584                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 585         for (i = 0; i < 16; i++)
 586                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 587         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 588         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 589         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 590         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 591         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 592         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 593         for (i = 0; i < 8; i++)
 594                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 595         for (i = 0; i < 8; i++)
 596                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 597         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 598
 599         /* Transmit */
 600         for (i = 0; i < 32; i++)
 601                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 602         for (i = 0; i < 32; i++)
 603                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 604         for (i = 0; i < 32; i++)
 605                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 606         for (i = 0; i < 32; i++)
 607                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 608         for (i = 0; i < 32; i++)
 609                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 610         for (i = 0; i < 32; i++)
 611                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 612         for (i = 0; i < 32; i++)
 613                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 614         for (i = 0; i < 32; i++)
 615                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 616         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 617         for (i = 0; i < 16; i++)
 618                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 619         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 620         for (i = 0; i < 8; i++)
 621                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 622         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 623
 624         /* Wake Up */
 625         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 626         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 627         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 628         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 629         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 630         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 631         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 632         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 633         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 634
 635         /* DCB */
 636         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 637         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 638         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 639         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 640         for (i = 0; i < 8; i++)
 641                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 642         for (i = 0; i < 8; i++)
 643                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 644         for (i = 0; i < 8; i++)
 645                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 646         for (i = 0; i < 8; i++)
 647                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 648         for (i = 0; i < 8; i++)
 649                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 650         for (i = 0; i < 8; i++)
 651                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 652
 653         /* Statistics */
 654         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 655         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 656         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 657         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 658         for (i = 0; i < 8; i++)
 659                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 660         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 661         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 662         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 663         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 664         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 665         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 666         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 667         for (i = 0; i < 8; i++)
 668                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 669         for (i = 0; i < 8; i++)
 670                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 671         for (i = 0; i < 8; i++)
 672                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 673         for (i = 0; i < 8; i++)
 674                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 675         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 676         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 677         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 678         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 679         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 680         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 681         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 682         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 683         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 684         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 685         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 686         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 687         for (i = 0; i < 8; i++)
 688                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 689         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 690         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 691         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 692         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 693         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 694         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 695         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 696         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 697         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 698         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 699         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 700         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 701         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 702         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 703         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 704         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 705         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 706         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 707         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 708         for (i = 0; i < 16; i++)
 709                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 710         for (i = 0; i < 16; i++)
 711                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 712         for (i = 0; i < 16; i++)
 713                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 714         for (i = 0; i < 16; i++)
 715                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 716
 717         /* MAC */
 718         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 719         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 720         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 721         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 722         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 723         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 724         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 725         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 726         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 727         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 728         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 729         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 730         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 731         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 732         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 733         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 734         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 735         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 736         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 737         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 738         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 739         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 740         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 741         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 742         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 743         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 744         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 745         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 746         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 747         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 748         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 749         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 750         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 751
 752         /* Diagnostic */
 753         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 754         for (i = 0; i < 8; i++)
 755                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 756         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 757         for (i = 0; i < 4; i++)
 758                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 759         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 760         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 761         for (i = 0; i < 8; i++)
 762                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 763         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 764         for (i = 0; i < 4; i++)
 765                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 766         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 767         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 768         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 769         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 770         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 771         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 772         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 773         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 774         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 775         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 776         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 777         for (i = 0; i < 8; i++)
 778                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 779         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 780         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 781         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 782         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 783         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 784         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 785         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 786         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 787         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 788
 789         /* 82599 X540 specific registers  */
 790         regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
 791 }
 792
 793 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 794 {
 795         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 796         return adapter->hw.eeprom.word_size * 2;
 797 }
 798
 799 static int ixgbe_get_eeprom(struct net_device *netdev,
 800                             struct ethtool_eeprom *eeprom, u8 *bytes)
 801 {
 802         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 803         struct ixgbe_hw *hw = &adapter->hw;
 804         u16 *eeprom_buff;
 805         int first_word, last_word, eeprom_len;
 806         int ret_val = 0;
 807         u16 i;
 808
 809         if (eeprom->len == 0)
 810                 return -EINVAL;
 811
 812         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 813
 814         first_word = eeprom->offset >> 1;
 815         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 816         eeprom_len = last_word - first_word + 1;
 817
 818         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 819         if (!eeprom_buff)
 820                 return -ENOMEM;
 821
 822         ret_val = ixgbe_read_eeprom_buffer(hw, first_word, eeprom_len,
 823                                            eeprom_buff);
 824
 825         /* Device's eeprom is always little-endian, word addressable */
 826         for (i = 0; i < eeprom_len; i++)
 827                 le16_to_cpus(&eeprom_buff[i]);
 828
 829         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 830         kfree(eeprom_buff);
 831
 832         return ret_val;
 833 }
 834
 835 static int ixgbe_set_eeprom(struct net_device *netdev,
 836                             struct ethtool_eeprom *eeprom, u8 *bytes)
 837 {
 838         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 839         struct ixgbe_hw *hw = &adapter->hw;
 840         u16 *eeprom_buff;
 841         void *ptr;
 842         int max_len, first_word, last_word, ret_val = 0;
 843         u16 i;
 844
 845         if (eeprom->len == 0)
 846                 return -EINVAL;
 847
 848         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 849                 return -EINVAL;
 850
 851         max_len = hw->eeprom.word_size * 2;
 852
 853         first_word = eeprom->offset >> 1;
 854         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 855         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 856         if (!eeprom_buff)
 857                 return -ENOMEM;
 858
 859         ptr = eeprom_buff;
 860
 861         if (eeprom->offset & 1) {
 862                 /*
 863                  * need read/modify/write of first changed EEPROM word
 864                  * only the second byte of the word is being modified
 865                  */
 866                 ret_val = ixgbe_read_eeprom(hw, first_word, &eeprom_buff[0]);
 867                 if (ret_val)
 868                         goto err;
 869
 870                 ptr++;
 871         }
 872         if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
 873                 /*
 874                  * need read/modify/write of last changed EEPROM word
 875                  * only the first byte of the word is being modified
 876                  */
 877                 ret_val = ixgbe_read_eeprom(hw, last_word,
 878                                           &eeprom_buff[last_word - first_word]);
 879                 if (ret_val)
 880                         goto err;
 881         }
 882
 883         /* Device's eeprom is always little-endian, word addressable */
 884         for (i = 0; i < last_word - first_word + 1; i++)
 885                 le16_to_cpus(&eeprom_buff[i]);
 886
 887         memcpy(ptr, bytes, eeprom->len);
 888
 889         for (i = 0; i < last_word - first_word + 1; i++)
 890                 cpu_to_le16s(&eeprom_buff[i]);
 891
 892         ret_val = ixgbe_write_eeprom_buffer(hw, first_word,
 893                                             last_word - first_word + 1,
 894                                             eeprom_buff);
 895
 896         /* Update the checksum */
 897         if (ret_val == 0)
 898                 ixgbe_update_eeprom_checksum(hw);
 899
 900 err:
 901         kfree(eeprom_buff);
 902         return ret_val;
 903 }
 904
 905 static void ixgbe_get_drvinfo(struct net_device *netdev,
 906                               struct ethtool_drvinfo *drvinfo)
 907 {
 908         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 909
 910         strlcpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
 911
 912         strlcpy(drvinfo->version, ixgbe_driver_version,
 913                                 sizeof(drvinfo->version));
 914
 915         strlcpy(drvinfo->fw_version, adapter->eeprom_id,
 916                                 sizeof(drvinfo->fw_version));
 917
 918         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 919                                 sizeof(drvinfo->bus_info));
 920
 921         drvinfo->n_stats = IXGBE_STATS_LEN;
 922         drvinfo->testinfo_len = IXGBE_TEST_LEN;
 923         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 924 }
 925
 926 static void ixgbe_get_ringparam(struct net_device *netdev,
 927                                 struct ethtool_ringparam *ring)
 928 {
 929         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 930
 931         ring->rx_max_pending = IXGBE_MAX_RXD;
 932         ring->tx_max_pending = IXGBE_MAX_TXD;
 933         ring->rx_mini_max_pending = 0;
 934         ring->rx_jumbo_max_pending = 0;
 935         ring->rx_pending = adapter->rx_ring_count;
 936         ring->tx_pending = adapter->tx_ring_count;
 937         ring->rx_mini_pending = 0;
 938         ring->rx_jumbo_pending = 0;
 939 }
 940
 941 static int ixgbe_set_ringparam(struct net_device *netdev,
 942                                struct ethtool_ringparam *ring)
 943 {
 944         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 945         struct ixgbe_ring *tx_ring = NULL, *rx_ring = NULL;
 946         u32 new_rx_count, new_tx_count;
 947         int i, err = 0;
 948
 949         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 950                 return -EINVAL;
 951
 952         new_tx_count = clamp_t(u32, ring->tx_pending,
 953                                IXGBE_MIN_TXD, IXGBE_MAX_TXD);
 954         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 955
 956         new_rx_count = clamp_t(u32, ring->rx_pending,
 957                                IXGBE_MIN_RXD, IXGBE_MAX_RXD);
 958         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 959
 960         /* if nothing to do return success */
 961         if ((new_tx_count == adapter->tx_ring_count) &&
 962             (new_rx_count == adapter->rx_ring_count))
 963                 return 0;
 964
 965         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 966                 usleep_range(1000, 2000);
 967
 968         if (!netif_running(adapter->netdev)) {
 969                 for (i = 0; i < adapter->num_tx_queues; i++)
 970                         adapter->tx_ring[i]->count = new_tx_count;
 971                 for (i = 0; i < adapter->num_rx_queues; i++)
 972                         adapter->rx_ring[i]->count = new_rx_count;
 973                 adapter->tx_ring_count = new_tx_count;
 974                 adapter->rx_ring_count = new_rx_count;
 975                 goto clear_reset;
 976         }
 977
 978         /* alloc updated Tx resources */
 979         if (new_tx_count != adapter->tx_ring_count) {
 980                 tx_ring = vmalloc(adapter->num_tx_queues * sizeof(*tx_ring));
 981                 if (!tx_ring) {
 982                         err = -ENOMEM;
 983                         goto clear_reset;
 984                 }
 985
 986                 for (i = 0; i < adapter->num_tx_queues; i++) {
 987                         /* clone ring and setup updated count */
 988                         tx_ring[i] = *adapter->tx_ring[i];
 989                         tx_ring[i].count = new_tx_count;
 990                         err = ixgbe_setup_tx_resources(&tx_ring[i]);
 991                         if (err) {
 992                                 while (i) {
 993                                         i--;
 994                                         ixgbe_free_tx_resources(&tx_ring[i]);
 995                                 }
 996
 997                                 vfree(tx_ring);
 998                                 tx_ring = NULL;
 999
1000                                 goto clear_reset;
1001                         }
1002                 }
1003         }
1004
1005         /* alloc updated Rx resources */
1006         if (new_rx_count != adapter->rx_ring_count) {
1007                 rx_ring = vmalloc(adapter->num_rx_queues * sizeof(*rx_ring));
1008                 if (!rx_ring) {
1009                         err = -ENOMEM;
1010                         goto clear_reset;
1011                 }
1012
1013                 for (i = 0; i < adapter->num_rx_queues; i++) {
1014                         /* clone ring and setup updated count */
1015                         rx_ring[i] = *adapter->rx_ring[i];
1016                         rx_ring[i].count = new_rx_count;
1017                         err = ixgbe_setup_rx_resources(&rx_ring[i]);
1018                         if (err) {
1019                                 while (i) {
1020                                         i--;
1021                                         ixgbe_free_rx_resources(&rx_ring[i]);
1022                                 }
1023
1024                                 vfree(rx_ring);
1025                                 rx_ring = NULL;
1026
1027                                 goto clear_reset;
1028                         }
1029                 }
1030         }
1031
1032         /* bring interface down to prepare for update */
1033         ixgbe_down(adapter);
1034
1035         /* Tx */
1036         if (tx_ring) {
1037                 for (i = 0; i < adapter->num_tx_queues; i++) {
1038                         ixgbe_free_tx_resources(adapter->tx_ring[i]);
1039                         *adapter->tx_ring[i] = tx_ring[i];
1040                 }
1041                 adapter->tx_ring_count = new_tx_count;
1042
1043                 vfree(tx_ring);
1044                 tx_ring = NULL;
1045         }
1046
1047         /* Rx */
1048         if (rx_ring) {
1049                 for (i = 0; i < adapter->num_rx_queues; i++) {
1050                         ixgbe_free_rx_resources(adapter->rx_ring[i]);
1051                         *adapter->rx_ring[i] = rx_ring[i];
1052                 }
1053                 adapter->rx_ring_count = new_rx_count;
1054
1055                 vfree(rx_ring);
1056                 rx_ring = NULL;
1057         }
1058
1059         /* restore interface using new values */
1060         ixgbe_up(adapter);
1061
1062 clear_reset:
1063         /* free Tx resources if Rx error is encountered */
1064         if (tx_ring) {
1065                 for (i = 0; i < adapter->num_tx_queues; i++)
1066                         ixgbe_free_tx_resources(&tx_ring[i]);
1067                 vfree(tx_ring);
1068         }
1069
1070         clear_bit(__IXGBE_RESETTING, &adapter->state);
1071         return err;
1072 }
1073
1074 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
1075 static int ixgbe_get_stats_count(struct net_device *netdev)
1076 {
1077         return IXGBE_STATS_LEN;
1078 }
1079
1080 #else /* HAVE_ETHTOOL_GET_SSET_COUNT */
1081 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1082 {
1083         switch (sset) {
1084         case ETH_SS_TEST:
1085                 return IXGBE_TEST_LEN;
1086         case ETH_SS_STATS:
1087                 return IXGBE_STATS_LEN;
1088         default:
1089                 return -EOPNOTSUPP;
1090         }
1091 }
1092
1093 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
1094 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1095                                     struct ethtool_stats *stats, u64 *data)
1096 {
1097         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1098 #ifdef HAVE_NETDEV_STATS_IN_NETDEV
1099         struct net_device_stats *net_stats = &netdev->stats;
1100 #else
1101         struct net_device_stats *net_stats = &adapter->net_stats;
1102 #endif
1103         u64 *queue_stat;
1104         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
1105         int i, j, k;
1106         char *p;
1107
1108         printk(KERN_DEBUG "ixgbe_stats 0\n");
1109         ixgbe_update_stats(adapter);
1110         printk(KERN_DEBUG "ixgbe_stats 1\n");
1111
1112         for (i = 0; i < IXGBE_NETDEV_STATS_LEN; i++) {
1113                 p = (char *)net_stats + ixgbe_gstrings_net_stats[i].stat_offset;
1114                 data[i] = (ixgbe_gstrings_net_stats[i].sizeof_stat ==
1115                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1116         }
1117         for (j = 0; j < IXGBE_GLOBAL_STATS_LEN; j++, i++) {
1118                 p = (char *)adapter + ixgbe_gstrings_stats[j].stat_offset;
1119                 data[i] = (ixgbe_gstrings_stats[j].sizeof_stat ==
1120                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1121         }
1122         printk(KERN_DEBUG "ixgbe_stats 2\n");
1123 #ifdef NO_VNIC
1124         for (j = 0; j < adapter->num_tx_queues; j++) {
1125                 queue_stat = (u64 *)&adapter->tx_ring[j]->stats;
1126                 for (k = 0; k < stat_count; k++)
1127                         data[i + k] = queue_stat[k];
1128                 i += k;
1129         }
1130         for (j = 0; j < adapter->num_rx_queues; j++) {
1131                 queue_stat = (u64 *)&adapter->rx_ring[j]->stats;
1132                 for (k = 0; k < stat_count; k++)
1133                         data[i + k] = queue_stat[k];
1134                 i += k;
1135         }
1136         printk(KERN_DEBUG "ixgbe_stats 3\n");
1137 #endif
1138         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1139                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
1140                         data[i++] = adapter->stats.pxontxc[j];
1141                         data[i++] = adapter->stats.pxofftxc[j];
1142                 }
1143                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
1144                         data[i++] = adapter->stats.pxonrxc[j];
1145                         data[i++] = adapter->stats.pxoffrxc[j];
1146                 }
1147         }
1148         printk(KERN_DEBUG "ixgbe_stats 4\n");
1149         stat_count = sizeof(struct vf_stats) / sizeof(u64);
1150         for (j = 0; j < adapter->num_vfs; j++) {
1151                 queue_stat = (u64 *)&adapter->vfinfo[j].vfstats;
1152                 for (k = 0; k < stat_count; k++)
1153                         data[i + k] = queue_stat[k];
1154                 queue_stat = (u64 *)&adapter->vfinfo[j].saved_rst_vfstats;
1155                 for (k = 0; k < stat_count; k++)
1156                         data[i + k] += queue_stat[k];
1157                 i += k;
1158         }
1159 }
1160
1161 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1162                               u8 *data)
1163 {
1164         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1165         char *p = (char *)data;
1166         int i;
1167
1168         switch (stringset) {
1169         case ETH_SS_TEST:
1170                 memcpy(data, *ixgbe_gstrings_test,
1171                         IXGBE_TEST_LEN * ETH_GSTRING_LEN);
1172                 break;
1173         case ETH_SS_STATS:
1174                 for (i = 0; i < IXGBE_NETDEV_STATS_LEN; i++) {
1175                         memcpy(p, ixgbe_gstrings_net_stats[i].stat_string,
1176                                ETH_GSTRING_LEN);
1177                         p += ETH_GSTRING_LEN;
1178                 }
1179                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1180                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1181                                ETH_GSTRING_LEN);
1182                         p += ETH_GSTRING_LEN;
1183                 }
1184                 for (i = 0; i < adapter->num_tx_queues; i++) {
1185                         sprintf(p, "tx_queue_%u_packets", i);
1186                         p += ETH_GSTRING_LEN;
1187                         sprintf(p, "tx_queue_%u_bytes", i);
1188                         p += ETH_GSTRING_LEN;
1189                 }
1190                 for (i = 0; i < adapter->num_rx_queues; i++) {
1191                         sprintf(p, "rx_queue_%u_packets", i);
1192                         p += ETH_GSTRING_LEN;
1193                         sprintf(p, "rx_queue_%u_bytes", i);
1194                         p += ETH_GSTRING_LEN;
1195                 }
1196                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1197                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
1198                                 sprintf(p, "tx_pb_%u_pxon", i);
1199                                 p += ETH_GSTRING_LEN;
1200                                 sprintf(p, "tx_pb_%u_pxoff", i);
1201                                 p += ETH_GSTRING_LEN;
1202                         }
1203                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
1204                                 sprintf(p, "rx_pb_%u_pxon", i);
1205                                 p += ETH_GSTRING_LEN;
1206                                 sprintf(p, "rx_pb_%u_pxoff", i);
1207                                 p += ETH_GSTRING_LEN;
1208                         }
1209                 }
1210                 for (i = 0; i < adapter->num_vfs; i++) {
1211                         sprintf(p, "VF %d Rx Packets", i);
1212                         p += ETH_GSTRING_LEN;
1213                         sprintf(p, "VF %d Rx Bytes", i);
1214                         p += ETH_GSTRING_LEN;
1215                         sprintf(p, "VF %d Tx Packets", i);
1216                         p += ETH_GSTRING_LEN;
1217                         sprintf(p, "VF %d Tx Bytes", i);
1218                         p += ETH_GSTRING_LEN;
1219                         sprintf(p, "VF %d MC Packets", i);
1220                         p += ETH_GSTRING_LEN;
1221                 }
1222                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1223                 break;
1224         }
1225 }
1226
1227 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1228 {
1229         struct ixgbe_hw *hw = &adapter->hw;
1230         bool link_up;
1231         u32 link_speed = 0;
1232         *data = 0;
1233
1234         hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1235         if (link_up)
1236                 return *data;
1237         else
1238                 *data = 1;
1239         return *data;
1240 }
1241
1242 /* ethtool register test data */
1243 struct ixgbe_reg_test {
1244         u16 reg;
1245         u8  array_len;
1246         u8  test_type;
1247         u32 mask;
1248         u32 write;
1249 };
1250
1251 /* In the hardware, registers are laid out either singly, in arrays
1252  * spaced 0x40 bytes apart, or in contiguous tables.  We assume
1253  * most tests take place on arrays or single registers (handled
1254  * as a single-element array) and special-case the tables.
1255  * Table tests are always pattern tests.
1256  *
1257  * We also make provision for some required setup steps by specifying
1258  * registers to be written without any read-back testing.
1259  */
1260
1261 #define PATTERN_TEST    1
1262 #define SET_READ_TEST   2
1263 #define WRITE_NO_TEST   3
1264 #define TABLE32_TEST    4
1265 #define TABLE64_TEST_LO 5
1266 #define TABLE64_TEST_HI 6
1267
1268 /* default 82599 register test */
1269 static struct ixgbe_reg_test reg_test_82599[] = {
1270         { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1271         { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1272         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1273         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1274         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1275         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1276         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1277         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1278         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1279         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1280         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1281         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1282         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1283         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1284         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1285         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1286         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1287         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1288         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1289         { 0, 0, 0, 0 }
1290 };
1291
1292 /* default 82598 register test */
1293 static struct ixgbe_reg_test reg_test_82598[] = {
1294         { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1295         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1296         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1297         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1298         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1299         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1300         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1301         /* Enable all four RX queues before testing. */
1302         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1303         /* RDH is read-only for 82598, only test RDT. */
1304         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1305         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1306         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1307         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1308         { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1309         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1310         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1311         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1312         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1313         { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1314         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1315         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1316         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1317         { 0, 0, 0, 0 }
1318 };
1319
1320 #define REG_PATTERN_TEST(R, M, W)                                             \
1321 {                                                                             \
1322         u32 pat, val, before;                                                 \
1323         const u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
1324         for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {                       \
1325                 before = readl(adapter->hw.hw_addr + R);                      \
1326                 writel((_test[pat] & W), (adapter->hw.hw_addr + R));          \
1327                 val = readl(adapter->hw.hw_addr + R);                         \
1328                 if (val != (_test[pat] & W & M)) {                            \
1329                         e_err(drv, "pattern test reg %04X failed: got "       \
1330                               "0x%08X expected 0x%08X\n",                     \
1331                                 R, val, (_test[pat] & W & M));                \
1332                         *data = R;                                            \
1333                         writel(before, adapter->hw.hw_addr + R);              \
1334                         return 1;                                             \
1335                 }                                                             \
1336                 writel(before, adapter->hw.hw_addr + R);                      \
1337         }                                                                     \
1338 }
1339
1340 #define REG_SET_AND_CHECK(R, M, W)                                            \
1341 {                                                                             \
1342         u32 val, before;                                                      \
1343         before = readl(adapter->hw.hw_addr + R);                              \
1344         writel((W & M), (adapter->hw.hw_addr + R));                           \
1345         val = readl(adapter->hw.hw_addr + R);                                 \
1346         if ((W & M) != (val & M)) {                                           \
1347                 e_err(drv, "set/check reg %04X test failed: got 0x%08X "      \
1348                       "expected 0x%08X\n", R, (val & M), (W & M));            \
1349                 *data = R;                                                    \
1350                 writel(before, (adapter->hw.hw_addr + R));                    \
1351                 return 1;                                                     \
1352         }                                                                     \
1353         writel(before, (adapter->hw.hw_addr + R));                            \
1354 }
1355
1356 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1357 {
1358         struct ixgbe_reg_test *test;
1359         u32 value, status_before, status_after;
1360         u32 i, toggle;
1361
1362         switch (adapter->hw.mac.type) {
1363         case ixgbe_mac_82598EB:
1364                 toggle = 0x7FFFF3FF;
1365                 test = reg_test_82598;
1366                 break;
1367         case ixgbe_mac_82599EB:
1368         case ixgbe_mac_X540:
1369                 toggle = 0x7FFFF30F;
1370                 test = reg_test_82599;
1371                 break;
1372         default:
1373                 *data = 1;
1374                 return 1;
1375                 break;
1376         }
1377
1378         /*
1379          * Because the status register is such a special case,
1380          * we handle it separately from the rest of the register
1381          * tests.  Some bits are read-only, some toggle, and some
1382          * are writeable on newer MACs.
1383          */
1384         status_before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1385         value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1386         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1387         status_after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1388         if (value != status_after) {
1389                 e_err(drv, "failed STATUS register test got: "
1390                       "0x%08X expected: 0x%08X\n", status_after, value);
1391                 *data = 1;
1392                 return 1;
1393         }
1394         /* restore previous status */
1395         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, status_before);
1396
1397         /*
1398          * Perform the remainder of the register test, looping through
1399          * the test table until we either fail or reach the null entry.
1400          */
1401         while (test->reg) {
1402                 for (i = 0; i < test->array_len; i++) {
1403                         switch (test->test_type) {
1404                         case PATTERN_TEST:
1405                                 REG_PATTERN_TEST(test->reg + (i * 0x40),
1406                                                 test->mask,
1407                                                 test->write);
1408                                 break;
1409                         case SET_READ_TEST:
1410                                 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1411                                                 test->mask,
1412                                                 test->write);
1413                                 break;
1414                         case WRITE_NO_TEST:
1415                                 writel(test->write,
1416                                        (adapter->hw.hw_addr + test->reg)
1417                                        + (i * 0x40));
1418                                 break;
1419                         case TABLE32_TEST:
1420                                 REG_PATTERN_TEST(test->reg + (i * 4),
1421                                                 test->mask,
1422                                                 test->write);
1423                                 break;
1424                         case TABLE64_TEST_LO:
1425                                 REG_PATTERN_TEST(test->reg + (i * 8),
1426                                                 test->mask,
1427                                                 test->write);
1428                                 break;
1429                         case TABLE64_TEST_HI:
1430                                 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1431                                                 test->mask,
1432                                                 test->write);
1433                                 break;
1434                         }
1435                 }
1436                 test++;
1437         }
1438
1439         *data = 0;
1440         return 0;
1441 }
1442
1443 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1444 {
1445         if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL))
1446                 *data = 1;
1447         else
1448                 *data = 0;
1449         return *data;
1450 }
1451
1452 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1453 {
1454         struct net_device *netdev = data;
1455         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1456
1457         adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1458
1459         return IRQ_HANDLED;
1460 }
1461
1462 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1463 {
1464         struct net_device *netdev = adapter->netdev;
1465         u32 mask, i = 0, shared_int = true;
1466         u32 irq = adapter->pdev->irq;
1467
1468         *data = 0;
1469
1470         /* Hook up test interrupt handler just for this test */
1471         if (adapter->msix_entries) {
1472                 /* NOTE: we don't test MSI-X interrupts here, yet */
1473                 return 0;
1474         } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1475                 shared_int = false;
1476                 if (request_irq(irq, &ixgbe_test_intr, 0, netdev->name,
1477                                 netdev)) {
1478                         *data = 1;
1479                         return -1;
1480                 }
1481         } else if (!request_irq(irq, &ixgbe_test_intr, IRQF_PROBE_SHARED,
1482                                 netdev->name, netdev)) {
1483                 shared_int = false;
1484         } else if (request_irq(irq, &ixgbe_test_intr, IRQF_SHARED,
1485                                netdev->name, netdev)) {
1486                 *data = 1;
1487                 return -1;
1488         }
1489         e_info(hw, "testing %s interrupt\n",
1490                (shared_int ? "shared" : "unshared"));
1491
1492         /* Disable all the interrupts */
1493         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1494         IXGBE_WRITE_FLUSH(&adapter->hw);
1495         usleep_range(10000, 20000);
1496
1497         /* Test each interrupt */
1498         for (; i < 10; i++) {
1499                 /* Interrupt to test */
1500                 mask = 1 << i;
1501
1502                 if (!shared_int) {
1503                         /*
1504                          * Disable the interrupts to be reported in
1505                          * the cause register and then force the same
1506                          * interrupt and see if one gets posted.  If
1507                          * an interrupt was posted to the bus, the
1508                          * test failed.
1509                          */
1510                         adapter->test_icr = 0;
1511                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1512                                         ~mask & 0x00007FFF);
1513                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1514                                         ~mask & 0x00007FFF);
1515                         IXGBE_WRITE_FLUSH(&adapter->hw);
1516                         usleep_range(10000, 20000);
1517
1518                         if (adapter->test_icr & mask) {
1519                                 *data = 3;
1520                                 break;
1521                         }
1522                 }
1523
1524                 /*
1525                  * Enable the interrupt to be reported in the cause
1526                  * register and then force the same interrupt and see
1527                  * if one gets posted.  If an interrupt was not posted
1528                  * to the bus, the test failed.
1529                  */
1530                 adapter->test_icr = 0;
1531                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1532                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1533                 IXGBE_WRITE_FLUSH(&adapter->hw);
1534                 usleep_range(10000, 20000);
1535
1536                 if (!(adapter->test_icr & mask)) {
1537                         *data = 4;
1538                         break;
1539                 }
1540
1541                 if (!shared_int) {
1542                         /*
1543                          * Disable the other interrupts to be reported in
1544                          * the cause register and then force the other
1545                          * interrupts and see if any get posted.  If
1546                          * an interrupt was posted to the bus, the
1547                          * test failed.
1548                          */
1549                         adapter->test_icr = 0;
1550                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1551                                         ~mask & 0x00007FFF);
1552                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1553                                         ~mask & 0x00007FFF);
1554                         IXGBE_WRITE_FLUSH(&adapter->hw);
1555                         usleep_range(10000, 20000);
1556
1557                         if (adapter->test_icr) {
1558                                 *data = 5;
1559                                 break;
1560                         }
1561                 }
1562         }
1563
1564         /* Disable all the interrupts */
1565         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1566         IXGBE_WRITE_FLUSH(&adapter->hw);
1567         usleep_range(10000, 20000);
1568
1569         /* Unhook test interrupt handler */
1570         free_irq(irq, netdev);
1571
1572         return *data;
1573 }
1574
1575
1576
1577 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1578 {
1579         struct ixgbe_hw *hw = &adapter->hw;
1580         u32 reg_data;
1581
1582         /* X540 needs to set the MACC.FLU bit to force link up */
1583         if (adapter->hw.mac.type == ixgbe_mac_X540) {
1584                 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1585                 reg_data |= IXGBE_MACC_FLU;
1586                 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1587         }
1588
1589         /* right now we only support MAC loopback in the driver */
1590         reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1591         /* Setup MAC loopback */
1592         reg_data |= IXGBE_HLREG0_LPBK;
1593         IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1594
1595         reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1596         reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1597         IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1598
1599         reg_data = IXGBE_READ_REG(hw, IXGBE_AUTOC);
1600         reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1601         reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1602         IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1603         IXGBE_WRITE_FLUSH(hw);
1604         usleep_range(10000, 20000);
1605
1606         /* Disable Atlas Tx lanes; re-enabled in reset path */
1607         if (hw->mac.type == ixgbe_mac_82598EB) {
1608                 u8 atlas;
1609
1610                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1611                 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1612                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1613
1614                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1615                 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1616                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1617
1618                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1619                 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1620                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1621
1622                 ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1623                 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1624                 ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1625         }
1626
1627         return 0;
1628 }
1629
1630 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1631 {
1632         u32 reg_data;
1633
1634         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1635         reg_data &= ~IXGBE_HLREG0_LPBK;
1636         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1637 }
1638
1639
1640
1641
1642
1643
1644 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1645 {
1646
1647         //*data = ixgbe_setup_desc_rings(adapter);
1648         //if (*data)
1649         //      goto out;
1650         *data = ixgbe_setup_loopback_test(adapter);
1651         if (*data)
1652                 goto err_loopback;
1653         //*data = ixgbe_run_loopback_test(adapter);
1654         ixgbe_loopback_cleanup(adapter);
1655
1656 err_loopback:
1657         //ixgbe_free_desc_rings(adapter);
1658 //out:
1659         return *data;
1660
1661 }
1662
1663 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
1664 static int ixgbe_diag_test_count(struct net_device *netdev)
1665 {
1666         return IXGBE_TEST_LEN;
1667 }
1668
1669 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
1670 static void ixgbe_diag_test(struct net_device *netdev,
1671                             struct ethtool_test *eth_test, u64 *data)
1672 {
1673         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1674         bool if_running = netif_running(netdev);
1675
1676         set_bit(__IXGBE_TESTING, &adapter->state);
1677         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1678                 /* Offline tests */
1679
1680                 e_info(hw, "offline testing starting\n");
1681
1682                 /* Link test performed before hardware reset so autoneg doesn't
1683                  * interfere with test result */
1684                 if (ixgbe_link_test(adapter, &data[4]))
1685                         eth_test->flags |= ETH_TEST_FL_FAILED;
1686
1687                 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1688                         int i;
1689                         for (i = 0; i < adapter->num_vfs; i++) {
1690                                 if (adapter->vfinfo[i].clear_to_send) {
1691                                         e_warn(drv, "Please take active VFS "
1692                                                "offline and restart the "
1693                                                "adapter before running NIC "
1694                                                "diagnostics\n");
1695                                         data[0] = 1;
1696                                         data[1] = 1;
1697                                         data[2] = 1;
1698                                         data[3] = 1;
1699                                         eth_test->flags |= ETH_TEST_FL_FAILED;
1700                                         clear_bit(__IXGBE_TESTING,
1701                                                   &adapter->state);
1702                                         goto skip_ol_tests;
1703                                 }
1704                         }
1705                 }
1706
1707                 if (if_running)
1708                         /* indicate we're in test mode */
1709                         dev_close(netdev);
1710                 else
1711                         ixgbe_reset(adapter);
1712
1713                 e_info(hw, "register testing starting\n");
1714                 if (ixgbe_reg_test(adapter, &data[0]))
1715                         eth_test->flags |= ETH_TEST_FL_FAILED;
1716
1717                 ixgbe_reset(adapter);
1718                 e_info(hw, "eeprom testing starting\n");
1719                 if (ixgbe_eeprom_test(adapter, &data[1]))
1720                         eth_test->flags |= ETH_TEST_FL_FAILED;
1721
1722                 ixgbe_reset(adapter);
1723                 e_info(hw, "interrupt testing starting\n");
1724                 if (ixgbe_intr_test(adapter, &data[2]))
1725                         eth_test->flags |= ETH_TEST_FL_FAILED;
1726
1727                 /* If SRIOV or VMDq is enabled then skip MAC
1728                  * loopback diagnostic. */
1729                 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
1730                                       IXGBE_FLAG_VMDQ_ENABLED)) {
1731                         e_info(hw, "skip MAC loopback diagnostic in VT mode\n");
1732                         data[3] = 0;
1733                         goto skip_loopback;
1734                 }
1735
1736                 ixgbe_reset(adapter);
1737                 e_info(hw, "loopback testing starting\n");
1738                 if (ixgbe_loopback_test(adapter, &data[3]))
1739                         eth_test->flags |= ETH_TEST_FL_FAILED;
1740
1741 skip_loopback:
1742                 ixgbe_reset(adapter);
1743
1744                 clear_bit(__IXGBE_TESTING, &adapter->state);
1745                 if (if_running)
1746                         dev_open(netdev);
1747         } else {
1748                 e_info(hw, "online testing starting\n");
1749                 /* Online tests */
1750                 if (ixgbe_link_test(adapter, &data[4]))
1751                         eth_test->flags |= ETH_TEST_FL_FAILED;
1752
1753                 /* Online tests aren't run; pass by default */
1754                 data[0] = 0;
1755                 data[1] = 0;
1756                 data[2] = 0;
1757                 data[3] = 0;
1758
1759                 clear_bit(__IXGBE_TESTING, &adapter->state);
1760         }
1761 skip_ol_tests:
1762         msleep_interruptible(4 * 1000);
1763 }
1764
1765 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1766                                struct ethtool_wolinfo *wol)
1767 {
1768         struct ixgbe_hw *hw = &adapter->hw;
1769         int retval = 1;
1770         u16 wol_cap = adapter->eeprom_cap & IXGBE_DEVICE_CAPS_WOL_MASK;
1771
1772         /* WOL not supported except for the following */
1773         switch (hw->device_id) {
1774         case IXGBE_DEV_ID_82599_SFP:
1775                 /* Only these subdevice could supports WOL */
1776                 switch (hw->subsystem_device_id) {
1777                 case IXGBE_SUBDEV_ID_82599_560FLR:
1778                         /* only support first port */
1779                         if (hw->bus.func != 0) {
1780                                 wol->supported = 0;
1781                                 break;
1782                         }
1783                 case IXGBE_SUBDEV_ID_82599_SFP:
1784                         retval = 0;
1785                         break;
1786                 default:
1787                         wol->supported = 0;
1788                         break;
1789                 }
1790                 break;
1791         case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
1792                 /* All except this subdevice support WOL */
1793                 if (hw->subsystem_device_id ==
1794                     IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) {
1795                         wol->supported = 0;
1796                         break;
1797                 }
1798                 retval = 0;
1799                 break;
1800         case IXGBE_DEV_ID_82599_KX4:
1801                 retval = 0;
1802                 break;
1803         case IXGBE_DEV_ID_X540T:
1804                 /* check eeprom to see if enabled wol */
1805                 if ((wol_cap == IXGBE_DEVICE_CAPS_WOL_PORT0_1) ||
1806                     ((wol_cap == IXGBE_DEVICE_CAPS_WOL_PORT0) &&
1807                      (hw->bus.func == 0))) {
1808                         retval = 0;
1809                         break;
1810                 }
1811
1812                 /* All others not supported */
1813                 wol->supported = 0;
1814                 break;
1815         default:
1816                 wol->supported = 0;
1817         }
1818         return retval;
1819 }
1820
1821 static void ixgbe_get_wol(struct net_device *netdev,
1822                           struct ethtool_wolinfo *wol)
1823 {
1824         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1825
1826         wol->supported = WAKE_UCAST | WAKE_MCAST |
1827                          WAKE_BCAST | WAKE_MAGIC;
1828         wol->wolopts = 0;
1829
1830         if (ixgbe_wol_exclusion(adapter, wol) ||
1831             !device_can_wakeup(&adapter->pdev->dev))
1832                 return;
1833
1834         if (adapter->wol & IXGBE_WUFC_EX)
1835                 wol->wolopts |= WAKE_UCAST;
1836         if (adapter->wol & IXGBE_WUFC_MC)
1837                 wol->wolopts |= WAKE_MCAST;
1838         if (adapter->wol & IXGBE_WUFC_BC)
1839                 wol->wolopts |= WAKE_BCAST;
1840         if (adapter->wol & IXGBE_WUFC_MAG)
1841                 wol->wolopts |= WAKE_MAGIC;
1842 }
1843
1844 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1845 {
1846         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1847
1848         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1849                 return -EOPNOTSUPP;
1850
1851         if (ixgbe_wol_exclusion(adapter, wol))
1852                 return wol->wolopts ? -EOPNOTSUPP : 0;
1853
1854         adapter->wol = 0;
1855
1856         if (wol->wolopts & WAKE_UCAST)
1857                 adapter->wol |= IXGBE_WUFC_EX;
1858         if (wol->wolopts & WAKE_MCAST)
1859                 adapter->wol |= IXGBE_WUFC_MC;
1860         if (wol->wolopts & WAKE_BCAST)
1861                 adapter->wol |= IXGBE_WUFC_BC;
1862         if (wol->wolopts & WAKE_MAGIC)
1863                 adapter->wol |= IXGBE_WUFC_MAG;
1864
1865         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1866
1867         return 0;
1868 }
1869
1870 static int ixgbe_nway_reset(struct net_device *netdev)
1871 {
1872         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1873
1874         if (netif_running(netdev))
1875                 ixgbe_reinit_locked(adapter);
1876
1877         return 0;
1878 }
1879
1880 #ifdef HAVE_ETHTOOL_SET_PHYS_ID
1881 static int ixgbe_set_phys_id(struct net_device *netdev,
1882                              enum ethtool_phys_id_state state)
1883 {
1884         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1885         struct ixgbe_hw *hw = &adapter->hw;
1886
1887         switch (state) {
1888         case ETHTOOL_ID_ACTIVE:
1889                 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1890                 return 2;
1891
1892         case ETHTOOL_ID_ON:
1893                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1894                 break;
1895
1896         case ETHTOOL_ID_OFF:
1897                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1898                 break;
1899
1900         case ETHTOOL_ID_INACTIVE:
1901                 /* Restore LED settings */
1902                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
1903                 break;
1904         }
1905
1906         return 0;
1907 }
1908 #else
1909 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1910 {
1911         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1912         struct ixgbe_hw *hw = &adapter->hw;
1913         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1914         u32 i;
1915
1916         if (!data || data > 300)
1917                 data = 300;
1918
1919         for (i = 0; i < (data * 1000); i += 400) {
1920                 ixgbe_led_on(hw, IXGBE_LED_ON);
1921                 msleep_interruptible(200);
1922                 ixgbe_led_off(hw, IXGBE_LED_ON);
1923                 msleep_interruptible(200);
1924         }
1925
1926         /* Restore LED settings */
1927         IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
1928
1929         return 0;
1930 }
1931 #endif /* HAVE_ETHTOOL_SET_PHYS_ID */
1932
1933 static int ixgbe_get_coalesce(struct net_device *netdev,
1934                               struct ethtool_coalesce *ec)
1935 {
1936         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1937
1938         ec->tx_max_coalesced_frames_irq = adapter->tx_work_limit;
1939 #ifndef CONFIG_IXGBE_NAPI
1940         ec->rx_max_coalesced_frames_irq = adapter->rx_work_limit;
1941 #endif /* CONFIG_IXGBE_NAPI */
1942         /* only valid if in constant ITR mode */
1943         if (adapter->rx_itr_setting <= 1)
1944                 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
1945         else
1946                 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
1947
1948         /* if in mixed tx/rx queues per vector mode, report only rx settings */
1949         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
1950                 return 0;
1951
1952         /* only valid if in constant ITR mode */
1953         if (adapter->tx_itr_setting <= 1)
1954                 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
1955         else
1956                 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
1957
1958         return 0;
1959 }
1960
1961 /*
1962  * this function must be called before setting the new value of
1963  * rx_itr_setting
1964  */
1965 #ifdef NO_VNIC
1966 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
1967 {
1968         struct net_device *netdev = adapter->netdev;
1969
1970         /* nothing to do if LRO or RSC are not enabled */
1971         if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
1972             !(netdev->features & NETIF_F_LRO))
1973                 return false;
1974
1975         /* check the feature flag value and enable RSC if necessary */
1976         if (adapter->rx_itr_setting == 1 ||
1977             adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
1978                 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
1979                         adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
1980                         e_info(probe, "rx-usecs value high enough "
1981                                       "to re-enable RSC\n");
1982                         return true;
1983                 }
1984         /* if interrupt rate is too high then disable RSC */
1985         } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
1986                 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
1987 #ifdef IXGBE_NO_LRO
1988                 e_info(probe, "rx-usecs set too low, disabling RSC\n");
1989 #else
1990                 e_info(probe, "rx-usecs set too low, "
1991                               "falling back to software LRO\n");
1992 #endif
1993                 return true;
1994         }
1995         return false;
1996 }
1997 #endif
1998
1999 static int ixgbe_set_coalesce(struct net_device *netdev,
2000                               struct ethtool_coalesce *ec)
2001 {
2002 #ifdef NO_VNIC
2003         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2004         struct ixgbe_q_vector *q_vector;
2005         int i;
2006         int num_vectors;
2007         u16 tx_itr_param, rx_itr_param;
2008         bool need_reset = false;
2009
2010         /* don't accept tx specific changes if we've got mixed RxTx vectors */
2011         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count
2012             && ec->tx_coalesce_usecs)
2013                 return -EINVAL;
2014
2015         if (ec->tx_max_coalesced_frames_irq)
2016                 adapter->tx_work_limit = ec->tx_max_coalesced_frames_irq;
2017
2018 #ifndef CONFIG_IXGBE_NAPI
2019         if (ec->rx_max_coalesced_frames_irq)
2020                 adapter->rx_work_limit = ec->rx_max_coalesced_frames_irq;
2021
2022 #endif
2023         if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2024             (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2025                 return -EINVAL;
2026
2027         if (ec->rx_coalesce_usecs > 1)
2028                 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2029         else
2030                 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2031
2032         if (adapter->rx_itr_setting == 1)
2033                 rx_itr_param = IXGBE_20K_ITR;
2034         else
2035                 rx_itr_param = adapter->rx_itr_setting;
2036
2037         if (ec->tx_coalesce_usecs > 1)
2038                 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2039         else
2040                 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2041
2042         if (adapter->tx_itr_setting == 1)
2043                 tx_itr_param = IXGBE_10K_ITR;
2044         else
2045                 tx_itr_param = adapter->tx_itr_setting;
2046
2047         /* check the old value and enable RSC if necessary */
2048         need_reset = ixgbe_update_rsc(adapter);
2049
2050         if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED)
2051                 num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
2052         else
2053                 num_vectors = 1;
2054
2055         for (i = 0; i < num_vectors; i++) {
2056                 q_vector = adapter->q_vector[i];
2057                 q_vector->tx.work_limit = adapter->tx_work_limit;
2058                 q_vector->rx.work_limit = adapter->rx_work_limit;
2059                 if (q_vector->tx.count && !q_vector->rx.count)
2060                         /* tx only */
2061                         q_vector->itr = tx_itr_param;
2062                 else
2063                         /* rx only or mixed */
2064                         q_vector->itr = rx_itr_param;
2065                 ixgbe_write_eitr(q_vector);
2066         }
2067
2068         /*
2069          * do reset here at the end to make sure EITR==0 case is handled
2070          * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2071          * also locks in RSC enable/disable which requires reset
2072          */
2073         if (need_reset)
2074                 ixgbe_do_reset(netdev);
2075 #endif
2076         return 0;
2077 }
2078
2079 #ifndef HAVE_NDO_SET_FEATURES
2080 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
2081 {
2082         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2083         struct ixgbe_ring *ring = adapter->rx_ring[0];
2084         return test_bit(__IXGBE_RX_CSUM_ENABLED, &ring->state);
2085 }
2086
2087 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
2088 {
2089         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2090         int i;
2091
2092         for (i = 0; i < adapter->num_rx_queues; i++) {
2093                 struct ixgbe_ring *ring = adapter->rx_ring[i];
2094                 if (data)
2095                         set_bit(__IXGBE_RX_CSUM_ENABLED, &ring->state);
2096                 else
2097                         clear_bit(__IXGBE_RX_CSUM_ENABLED, &ring->state);
2098         }
2099
2100         /* LRO and RSC both depend on RX checksum to function */
2101         if (!data && (netdev->features & NETIF_F_LRO)) {
2102                 netdev->features &= ~NETIF_F_LRO;
2103
2104                 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2105                         adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2106                         ixgbe_do_reset(netdev);
2107                 }
2108         }
2109
2110         return 0;
2111 }
2112
2113 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
2114 {
2115         return (netdev->features & NETIF_F_IP_CSUM) != 0;
2116 }
2117
2118 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
2119 {
2120         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2121         u32 feature_list;
2122
2123 #ifdef NETIF_F_IPV6_CSUM
2124         feature_list = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
2125 #else
2126         feature_list = NETIF_F_IP_CSUM;
2127 #endif
2128         switch (adapter->hw.mac.type) {
2129         case ixgbe_mac_82599EB:
2130         case ixgbe_mac_X540:
2131                 feature_list |= NETIF_F_SCTP_CSUM;
2132                 break;
2133         default:
2134                 break;
2135         }
2136         if (data)
2137                 netdev->features |= feature_list;
2138         else
2139                 netdev->features &= ~feature_list;
2140
2141         return 0;
2142 }
2143
2144 #ifdef NETIF_F_TSO
2145 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
2146 {
2147         if (data) {
2148                 netdev->features |= NETIF_F_TSO;
2149 #ifdef NETIF_F_TSO6
2150                 netdev->features |= NETIF_F_TSO6;
2151 #endif
2152         } else {
2153 #ifndef HAVE_NETDEV_VLAN_FEATURES
2154 #ifdef NETIF_F_HW_VLAN_TX
2155                 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2156                 /* disable TSO on all VLANs if they're present */
2157                 if (adapter->vlgrp) {
2158                         int i;
2159                         struct net_device *v_netdev;
2160                         for (i = 0; i < VLAN_N_VID; i++) {
2161                                 v_netdev =
2162                                        vlan_group_get_device(adapter->vlgrp, i);
2163                                 if (v_netdev) {
2164                                         v_netdev->features &= ~NETIF_F_TSO;
2165 #ifdef NETIF_F_TSO6
2166                                         v_netdev->features &= ~NETIF_F_TSO6;
2167 #endif
2168                                         vlan_group_set_device(adapter->vlgrp, i,
2169                                                               v_netdev);
2170                                 }
2171                         }
2172                 }
2173 #endif
2174 #endif /* HAVE_NETDEV_VLAN_FEATURES */
2175                 netdev->features &= ~NETIF_F_TSO;
2176 #ifdef NETIF_F_TSO6
2177                 netdev->features &= ~NETIF_F_TSO6;
2178 #endif
2179         }
2180         return 0;
2181 }
2182
2183 #endif /* NETIF_F_TSO */
2184 #ifdef ETHTOOL_GFLAGS
2185 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
2186 {
2187         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2188         u32 supported_flags = ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN;
2189         u32 changed = netdev->features ^ data;
2190         bool need_reset = false;
2191         int rc;
2192
2193 #ifndef HAVE_VLAN_RX_REGISTER
2194         if ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) &&
2195             !(data & ETH_FLAG_RXVLAN))
2196                 return -EINVAL;
2197
2198 #endif
2199 #ifdef NETIF_F_RXHASH
2200         if (adapter->flags & IXGBE_FLAG_RSS_ENABLED)
2201                 supported_flags |= ETH_FLAG_RXHASH;
2202 #endif
2203 #ifdef IXGBE_NO_LRO
2204         if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE)
2205 #endif
2206                 supported_flags |= ETH_FLAG_LRO;
2207
2208 #ifdef ETHTOOL_GRXRINGS
2209         switch (adapter->hw.mac.type) {
2210         case ixgbe_mac_X540:
2211         case ixgbe_mac_82599EB:
2212                 supported_flags |= ETH_FLAG_NTUPLE;
2213         default:
2214                 break;
2215         }
2216
2217 #endif
2218         rc = ethtool_op_set_flags(netdev, data, supported_flags);
2219         if (rc)
2220                 return rc;
2221
2222 #ifndef HAVE_VLAN_RX_REGISTER
2223         if (changed & ETH_FLAG_RXVLAN)
2224                 ixgbe_vlan_mode(netdev, netdev->features);
2225
2226 #endif
2227         /* if state changes we need to update adapter->flags and reset */
2228         if (!(netdev->features & NETIF_F_LRO)) {
2229                 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
2230                         need_reset = true;
2231                 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2232         } else if ((adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) &&
2233                    !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2234                 if (adapter->rx_itr_setting == 1 ||
2235                     adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2236                         adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2237                         need_reset = true;
2238                 } else if (changed & ETH_FLAG_LRO) {
2239 #ifdef IXGBE_NO_LRO
2240                         e_info(probe, "rx-usecs set too low, "
2241                                "disabling RSC\n");
2242 #else
2243                         e_info(probe, "rx-usecs set too low, "
2244                                "falling back to software LRO\n");
2245 #endif
2246                 }
2247         }
2248
2249 #ifdef ETHTOOL_GRXRINGS
2250         /*
2251          * Check if Flow Director n-tuple support was enabled or disabled.  If
2252          * the state changed, we need to reset.
2253          */
2254         if (!(netdev->features & NETIF_F_NTUPLE)) {
2255                 if (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) {
2256                         /* turn off Flow Director, set ATR and reset */
2257                         if ((adapter->flags & IXGBE_FLAG_RSS_ENABLED) &&
2258                             !(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
2259                                 adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
2260                         need_reset = true;
2261                 }
2262                 adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2263         } else if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) {
2264                 /* turn off ATR, enable perfect filters and reset */
2265                 adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
2266                 adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2267                 need_reset = true;
2268         }
2269
2270 #endif /* ETHTOOL_GRXRINGS */
2271         if (need_reset)
2272                 ixgbe_do_reset(netdev);
2273
2274         return 0;
2275 }
2276
2277 #endif /* ETHTOOL_GFLAGS */
2278 #endif /* HAVE_NDO_SET_FEATURES */
2279 #ifdef ETHTOOL_GRXRINGS
2280 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2281                                         struct ethtool_rxnfc *cmd)
2282 {
2283         union ixgbe_atr_input *mask = &adapter->fdir_mask;
2284         struct ethtool_rx_flow_spec *fsp =
2285                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2286         struct hlist_node *node, *node2;
2287         struct ixgbe_fdir_filter *rule = NULL;
2288
2289         /* report total rule count */
2290         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2291
2292         hlist_for_each_entry_safe(rule, node, node2,
2293                                   &adapter->fdir_filter_list, fdir_node) {
2294                 if (fsp->location <= rule->sw_idx)
2295                         break;
2296         }
2297
2298         if (!rule || fsp->location != rule->sw_idx)
2299                 return -EINVAL;
2300
2301         /* fill out the flow spec entry */
2302
2303         /* set flow type field */
2304         switch (rule->filter.formatted.flow_type) {
2305         case IXGBE_ATR_FLOW_TYPE_TCPV4:
2306                 fsp->flow_type = TCP_V4_FLOW;
2307                 break;
2308         case IXGBE_ATR_FLOW_TYPE_UDPV4:
2309                 fsp->flow_type = UDP_V4_FLOW;
2310                 break;
2311         case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2312                 fsp->flow_type = SCTP_V4_FLOW;
2313                 break;
2314         case IXGBE_ATR_FLOW_TYPE_IPV4:
2315                 fsp->flow_type = IP_USER_FLOW;
2316                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2317                 fsp->h_u.usr_ip4_spec.proto = 0;
2318                 fsp->m_u.usr_ip4_spec.proto = 0;
2319                 break;
2320         default:
2321                 return -EINVAL;
2322         }
2323
2324         fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2325         fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2326         fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2327         fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2328         fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2329         fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2330         fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2331         fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2332         fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2333         fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2334         fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2335         fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2336         fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2337         fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2338         fsp->flow_type |= FLOW_EXT;
2339
2340         /* record action */
2341         if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2342                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2343         else
2344                 fsp->ring_cookie = rule->action;
2345
2346         return 0;
2347 }
2348
2349 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2350                                       struct ethtool_rxnfc *cmd,
2351                                       u32 *rule_locs)
2352 {
2353         struct hlist_node *node, *node2;
2354         struct ixgbe_fdir_filter *rule;
2355         int cnt = 0;
2356
2357         /* report total rule count */
2358         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2359
2360         hlist_for_each_entry_safe(rule, node, node2,
2361                                   &adapter->fdir_filter_list, fdir_node) {
2362                 if (cnt == cmd->rule_cnt)
2363                         return -EMSGSIZE;
2364                 rule_locs[cnt] = rule->sw_idx;
2365                 cnt++;
2366         }
2367
2368         cmd->rule_cnt = cnt;
2369
2370         return 0;
2371 }
2372
2373 static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter,
2374                                    struct ethtool_rxnfc *cmd)
2375 {
2376         cmd->data = 0;
2377
2378         /* if RSS is disabled then report no hashing */
2379         if (!(adapter->flags & IXGBE_FLAG_RSS_ENABLED))
2380                 return 0;
2381
2382         /* Report default options for RSS on ixgbe */
2383         switch (cmd->flow_type) {
2384         case TCP_V4_FLOW:
2385                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2386         case UDP_V4_FLOW:
2387                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2388                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2389         case SCTP_V4_FLOW:
2390         case AH_ESP_V4_FLOW:
2391         case AH_V4_FLOW:
2392         case ESP_V4_FLOW:
2393         case IPV4_FLOW:
2394                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2395                 break;
2396         case TCP_V6_FLOW:
2397                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2398         case UDP_V6_FLOW:
2399                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2400                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2401         case SCTP_V6_FLOW:
2402         case AH_ESP_V6_FLOW:
2403         case AH_V6_FLOW:
2404         case ESP_V6_FLOW:
2405         case IPV6_FLOW:
2406                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2407                 break;
2408         default:
2409                 return -EINVAL;
2410         }
2411
2412         return 0;
2413 }
2414
2415 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2416 #ifdef HAVE_ETHTOOL_GET_RXNFC_VOID_RULE_LOCS
2417                            void *rule_locs)
2418 #else
2419                            u32 *rule_locs)
2420 #endif
2421 {
2422         struct ixgbe_adapter *adapter = netdev_priv(dev);
2423         int ret = -EOPNOTSUPP;
2424
2425         switch (cmd->cmd) {
2426         case ETHTOOL_GRXRINGS:
2427                 cmd->data = adapter->num_rx_queues;
2428                 ret = 0;
2429                 break;
2430         case ETHTOOL_GRXCLSRLCNT:
2431                 cmd->rule_cnt = adapter->fdir_filter_count;
2432                 ret = 0;
2433                 break;
2434         case ETHTOOL_GRXCLSRULE:
2435                 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2436                 break;
2437         case ETHTOOL_GRXCLSRLALL:
2438                 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd,
2439                                                  rule_locs);
2440                 break;
2441         case ETHTOOL_GRXFH:
2442                 ret = ixgbe_get_rss_hash_opts(adapter, cmd);
2443                 break;
2444         default:
2445                 break;
2446         }
2447
2448         return ret;
2449 }
2450
2451 static int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2452                                            struct ixgbe_fdir_filter *input,
2453                                            u16 sw_idx)
2454 {
2455         struct ixgbe_hw *hw = &adapter->hw;
2456         struct hlist_node *node, *node2, *parent;
2457         struct ixgbe_fdir_filter *rule;
2458         int err = -EINVAL;
2459
2460         parent = NULL;
2461         rule = NULL;
2462
2463         hlist_for_each_entry_safe(rule, node, node2,
2464                                   &adapter->fdir_filter_list, fdir_node) {
2465                 /* hash found, or no matching entry */
2466                 if (rule->sw_idx >= sw_idx)
2467                         break;
2468                 parent = node;
2469         }
2470
2471         /* if there is an old rule occupying our place remove it */
2472         if (rule && (rule->sw_idx == sw_idx)) {
2473                 if (!input || (rule->filter.formatted.bkt_hash !=
2474                                input->filter.formatted.bkt_hash)) {
2475                         err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2476                                                                 &rule->filter,
2477                                                                 sw_idx);
2478                 }
2479
2480                 hlist_del(&rule->fdir_node);
2481                 kfree(rule);
2482                 adapter->fdir_filter_count--;
2483         }
2484
2485         /*
2486          * If no input this was a delete, err should be 0 if a rule was
2487          * successfully found and removed from the list else -EINVAL
2488          */
2489         if (!input)
2490                 return err;
2491
2492         /* initialize node and set software index */
2493         INIT_HLIST_NODE(&input->fdir_node);
2494
2495         /* add filter to the list */
2496         if (parent)
2497                 hlist_add_after(parent, &input->fdir_node);
2498         else
2499                 hlist_add_head(&input->fdir_node,
2500                                &adapter->fdir_filter_list);
2501
2502         /* update counts */
2503         adapter->fdir_filter_count++;
2504
2505         return 0;
2506 }
2507
2508 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2509                                        u8 *flow_type)
2510 {
2511         switch (fsp->flow_type & ~FLOW_EXT) {
2512         case TCP_V4_FLOW:
2513                 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2514                 break;
2515         case UDP_V4_FLOW:
2516                 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2517                 break;
2518         case SCTP_V4_FLOW:
2519                 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2520                 break;
2521         case IP_USER_FLOW:
2522                 switch (fsp->h_u.usr_ip4_spec.proto) {
2523                 case IPPROTO_TCP:
2524                         *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2525                         break;
2526                 case IPPROTO_UDP:
2527                         *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2528                         break;
2529                 case IPPROTO_SCTP:
2530                         *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2531                         break;
2532                 case 0:
2533                         if (!fsp->m_u.usr_ip4_spec.proto) {
2534                                 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2535                                 break;
2536                         }
2537                 default:
2538                         return 0;
2539                 }
2540                 break;
2541         default:
2542                 return 0;
2543         }
2544
2545         return 1;
2546 }
2547
2548 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2549                                         struct ethtool_rxnfc *cmd)
2550 {
2551         struct ethtool_rx_flow_spec *fsp =
2552                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2553         struct ixgbe_hw *hw = &adapter->hw;
2554         struct ixgbe_fdir_filter *input;
2555         union ixgbe_atr_input mask;
2556         int err;
2557
2558         if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2559                 return -EOPNOTSUPP;
2560
2561         /*
2562          * Don't allow programming if the action is a queue greater than
2563          * the number of online Rx queues.
2564          */
2565         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2566             (fsp->ring_cookie >= adapter->num_rx_queues))
2567                 return -EINVAL;
2568
2569         /* Don't allow indexes to exist outside of available space */
2570         if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2571                 e_err(drv, "Location out of range\n");
2572                 return -EINVAL;
2573         }
2574
2575         input = kzalloc(sizeof(*input), GFP_ATOMIC);
2576         if (!input)
2577                 return -ENOMEM;
2578
2579         memset(&mask, 0, sizeof(union ixgbe_atr_input));
2580
2581         /* set SW index */
2582         input->sw_idx = fsp->location;
2583
2584         /* record flow type */
2585         if (!ixgbe_flowspec_to_flow_type(fsp,
2586                                          &input->filter.formatted.flow_type)) {
2587                 e_err(drv, "Unrecognized flow type\n");
2588                 goto err_out;
2589         }
2590
2591         mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2592                                    IXGBE_ATR_L4TYPE_MASK;
2593
2594         if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2595                 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2596
2597         /* Copy input into formatted structures */
2598         input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2599         mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2600         input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2601         mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2602         input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2603         mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2604         input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2605         mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2606
2607         if (fsp->flow_type & FLOW_EXT) {
2608                 input->filter.formatted.vm_pool =
2609                                 (unsigned char)ntohl(fsp->h_ext.data[1]);
2610                 mask.formatted.vm_pool =
2611                                 (unsigned char)ntohl(fsp->m_ext.data[1]);
2612                 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2613                 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2614                 input->filter.formatted.flex_bytes =
2615                                                 fsp->h_ext.vlan_etype;
2616                 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2617         }
2618
2619         /* determine if we need to drop or route the packet */
2620         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2621                 input->action = IXGBE_FDIR_DROP_QUEUE;
2622         else
2623                 input->action = fsp->ring_cookie;
2624
2625         spin_lock(&adapter->fdir_perfect_lock);
2626
2627         if (hlist_empty(&adapter->fdir_filter_list)) {
2628                 /* save mask and program input mask into HW */
2629                 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2630                 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2631                 if (err) {
2632                         e_err(drv, "Error writing mask\n");
2633                         goto err_out_w_lock;
2634                 }
2635         } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2636                 e_err(drv, "Only one mask supported per port\n");
2637                 goto err_out_w_lock;
2638         }
2639
2640         /* apply mask and compute/store hash */
2641         ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2642
2643         /* program filters to filter memory */
2644         err = ixgbe_fdir_write_perfect_filter_82599(hw,
2645                                 &input->filter, input->sw_idx,
2646                                 (input->action == IXGBE_FDIR_DROP_QUEUE) ?
2647                                 IXGBE_FDIR_DROP_QUEUE :
2648                                 adapter->rx_ring[input->action]->reg_idx);
2649         if (err)
2650                 goto err_out_w_lock;
2651
2652         ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2653
2654         spin_unlock(&adapter->fdir_perfect_lock);
2655
2656         kfree(input);
2657         return err;
2658 err_out_w_lock:
2659         spin_unlock(&adapter->fdir_perfect_lock);
2660 err_out:
2661         kfree(input);
2662         return -EINVAL;
2663 }
2664
2665 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2666                                         struct ethtool_rxnfc *cmd)
2667 {
2668         struct ethtool_rx_flow_spec *fsp =
2669                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2670         int err;
2671
2672         spin_lock(&adapter->fdir_perfect_lock);
2673         err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, (u16)(fsp->location));
2674         spin_unlock(&adapter->fdir_perfect_lock);
2675
2676         return err;
2677 }
2678
2679 #ifdef ETHTOOL_SRXNTUPLE
2680 /*
2681  * We need to keep this around for kernels 2.6.33 - 2.6.39 in order to avoid
2682  * a null pointer dereference as it was assumend if the NETIF_F_NTUPLE flag
2683  * was defined that this function was present.
2684  */
2685 static int ixgbe_set_rx_ntuple(struct net_device *dev,
2686                                struct ethtool_rx_ntuple *cmd)
2687 {
2688         return -EOPNOTSUPP;
2689 }
2690
2691 #endif
2692 #define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
2693                        IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2694 static int ixgbe_set_rss_hash_opt(struct ixgbe_adapter *adapter,
2695                                   struct ethtool_rxnfc *nfc)
2696 {
2697         u32 flags2 = adapter->flags2;
2698
2699         /*
2700          * RSS does not support anything other than hashing
2701          * to queues on src and dst IPs and ports
2702          */
2703         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2704                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2705                 return -EINVAL;
2706
2707         switch (nfc->flow_type) {
2708         case TCP_V4_FLOW:
2709         case TCP_V6_FLOW:
2710                 if (!(nfc->data & RXH_IP_SRC) ||
2711                     !(nfc->data & RXH_IP_DST) ||
2712                     !(nfc->data & RXH_L4_B_0_1) ||
2713                     !(nfc->data & RXH_L4_B_2_3))
2714                         return -EINVAL;
2715                 break;
2716         case UDP_V4_FLOW:
2717                 if (!(nfc->data & RXH_IP_SRC) ||
2718                     !(nfc->data & RXH_IP_DST))
2719                         return -EINVAL;
2720                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2721                 case 0:
2722                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2723                         break;
2724                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2725                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2726                         break;
2727                 default:
2728                         return -EINVAL;
2729                 }
2730                 break;
2731         case UDP_V6_FLOW:
2732                 if (!(nfc->data & RXH_IP_SRC) ||
2733                     !(nfc->data & RXH_IP_DST))
2734                         return -EINVAL;
2735                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2736                 case 0:
2737                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2738                         break;
2739                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2740                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2741                         break;
2742                 default:
2743                         return -EINVAL;
2744                 }
2745                 break;
2746         case AH_ESP_V4_FLOW:
2747         case AH_V4_FLOW:
2748         case ESP_V4_FLOW:
2749         case SCTP_V4_FLOW:
2750         case AH_ESP_V6_FLOW:
2751         case AH_V6_FLOW:
2752         case ESP_V6_FLOW:
2753         case SCTP_V6_FLOW:
2754                 if (!(nfc->data & RXH_IP_SRC) ||
2755                     !(nfc->data & RXH_IP_DST) ||
2756                     (nfc->data & RXH_L4_B_0_1) ||
2757                     (nfc->data & RXH_L4_B_2_3))
2758                         return -EINVAL;
2759                 break;
2760         default:
2761                 return -EINVAL;
2762         }
2763
2764         /* if we changed something we need to update flags */
2765         if (flags2 != adapter->flags2) {
2766                 struct ixgbe_hw *hw = &adapter->hw;
2767                 u32 mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
2768
2769                 if ((flags2 & UDP_RSS_FLAGS) &&
2770                     !(adapter->flags2 & UDP_RSS_FLAGS))
2771                         e_warn(drv, "enabling UDP RSS: fragmented packets"
2772                                " may arrive out of order to the stack above\n");
2773
2774                 adapter->flags2 = flags2;
2775
2776                 /* Perform hash on these packet types */
2777                 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
2778                       | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
2779                       | IXGBE_MRQC_RSS_FIELD_IPV6
2780                       | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
2781
2782                 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
2783                           IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
2784
2785                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2786                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
2787
2788                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2789                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
2790
2791                 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
2792         }
2793
2794         return 0;
2795 }
2796
2797 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2798 {
2799         struct ixgbe_adapter *adapter = netdev_priv(dev);
2800         int ret = -EOPNOTSUPP;
2801
2802         switch (cmd->cmd) {
2803         case ETHTOOL_SRXCLSRLINS:
2804                 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
2805                 break;
2806         case ETHTOOL_SRXCLSRLDEL:
2807                 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
2808                 break;
2809         case ETHTOOL_SRXFH:
2810                 ret = ixgbe_set_rss_hash_opt(adapter, cmd);
2811                 break;
2812         default:
2813                 break;
2814         }
2815
2816         return ret;
2817 }
2818
2819 #endif /* ETHTOOL_GRXRINGS */
2820 //static
2821 struct ethtool_ops ixgbe_ethtool_ops = {
2822 #ifndef ETHTOOL_GLINKSETTINGS
2823         .get_settings           = ixgbe_get_settings,
2824 #endif
2825 #ifndef ETHTOOL_SLINKSETTINGS
2826         .set_settings           = ixgbe_set_settings,
2827 #endif
2828         .get_drvinfo            = ixgbe_get_drvinfo,
2829         .get_regs_len           = ixgbe_get_regs_len,
2830         .get_regs               = ixgbe_get_regs,
2831         .get_wol                = ixgbe_get_wol,
2832         .set_wol                = ixgbe_set_wol,
2833         .nway_reset             = ixgbe_nway_reset,
2834         .get_link               = ethtool_op_get_link,
2835         .get_eeprom_len         = ixgbe_get_eeprom_len,
2836         .get_eeprom             = ixgbe_get_eeprom,
2837         .set_eeprom             = ixgbe_set_eeprom,
2838         .get_ringparam          = ixgbe_get_ringparam,
2839         .set_ringparam          = ixgbe_set_ringparam,
2840         .get_pauseparam         = ixgbe_get_pauseparam,
2841         .set_pauseparam         = ixgbe_set_pauseparam,
2842         .get_msglevel           = ixgbe_get_msglevel,
2843         .set_msglevel           = ixgbe_set_msglevel,
2844 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
2845         .self_test_count        = ixgbe_diag_test_count,
2846 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
2847         .self_test              = ixgbe_diag_test,
2848         .get_strings            = ixgbe_get_strings,
2849 #ifdef HAVE_ETHTOOL_SET_PHYS_ID
2850         .set_phys_id            = ixgbe_set_phys_id,
2851 #else
2852         .phys_id                = ixgbe_phys_id,
2853 #endif /* HAVE_ETHTOOL_SET_PHYS_ID */
2854 #ifndef HAVE_ETHTOOL_GET_SSET_COUNT
2855         .get_stats_count        = ixgbe_get_stats_count,
2856 #else /* HAVE_ETHTOOL_GET_SSET_COUNT */
2857         .get_sset_count         = ixgbe_get_sset_count,
2858 #endif /* HAVE_ETHTOOL_GET_SSET_COUNT */
2859         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
2860 #ifdef HAVE_ETHTOOL_GET_PERM_ADDR
2861         .get_perm_addr          = ethtool_op_get_perm_addr,
2862 #endif
2863         .get_coalesce           = ixgbe_get_coalesce,
2864         .set_coalesce           = ixgbe_set_coalesce,
2865 #ifndef HAVE_NDO_SET_FEATURES
2866         .get_rx_csum            = ixgbe_get_rx_csum,
2867         .set_rx_csum            = ixgbe_set_rx_csum,
2868         .get_tx_csum            = ixgbe_get_tx_csum,
2869         .set_tx_csum            = ixgbe_set_tx_csum,
2870         .get_sg                 = ethtool_op_get_sg,
2871         .set_sg                 = ethtool_op_set_sg,
2872 #ifdef NETIF_F_TSO
2873         .get_tso                = ethtool_op_get_tso,
2874         .set_tso                = ixgbe_set_tso,
2875 #endif
2876 #ifdef ETHTOOL_GFLAGS
2877         .get_flags              = ethtool_op_get_flags,
2878         .set_flags              = ixgbe_set_flags,
2879 #endif
2880 #endif /* HAVE_NDO_SET_FEATURES */
2881 #ifdef ETHTOOL_GRXRINGS
2882         .get_rxnfc              = ixgbe_get_rxnfc,
2883         .set_rxnfc              = ixgbe_set_rxnfc,
2884 #ifdef ETHTOOL_SRXNTUPLE
2885         .set_rx_ntuple          = ixgbe_set_rx_ntuple,
2886 #endif
2887 #endif
2888 };
2889
2890 void ixgbe_set_ethtool_ops(struct net_device *netdev)
2891 {
2892         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
2893 }
2894 #endif /* SIOCETHTOOL */