drivers/net/ixgbe/ixgbe_ethtool.c

   1 /*******************************************************************************
   2
   3   Intel 10 Gigabit PCI Express Linux driver
   4   Copyright(c) 1999 - 2010 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  24   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25
  26 *******************************************************************************/
  27
  28 /* ethtool support for ixgbe */
  29
  30 #include <linux/types.h>
  31 #include <linux/module.h>
  32 #include <linux/slab.h>
  33 #include <linux/pci.h>
  34 #include <linux/netdevice.h>
  35 #include <linux/ethtool.h>
  36 #include <linux/vmalloc.h>
  37 #include <linux/uaccess.h>
  38
  39 #include "ixgbe.h"
  40
  41
  42 #define IXGBE_ALL_RAR_ENTRIES 16
  43
  44 enum {NETDEV_STATS, IXGBE_STATS};
  45
  46 struct ixgbe_stats {
  47         char stat_string[ETH_GSTRING_LEN];
  48         int type;
  49         int sizeof_stat;
  50         int stat_offset;
  51 };
  52
  53 #define IXGBE_STAT(m)           IXGBE_STATS, \
  54                                 sizeof(((struct ixgbe_adapter *)0)->m), \
  55                                 offsetof(struct ixgbe_adapter, m)
  56 #define IXGBE_NETDEV_STAT(m)    NETDEV_STATS, \
  57                                 sizeof(((struct rtnl_link_stats64 *)0)->m), \
  58                                 offsetof(struct rtnl_link_stats64, m)
  59
  60 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
  61         {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
  62         {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
  63         {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
  64         {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
  65         {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
  66         {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
  67         {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
  68         {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
  69         {"lsc_int", IXGBE_STAT(lsc_int)},
  70         {"tx_busy", IXGBE_STAT(tx_busy)},
  71         {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
  72         {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
  73         {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
  74         {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
  75         {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
  76         {"multicast", IXGBE_NETDEV_STAT(multicast)},
  77         {"broadcast", IXGBE_STAT(stats.bprc)},
  78         {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
  79         {"collisions", IXGBE_NETDEV_STAT(collisions)},
  80         {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
  81         {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
  82         {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
  83         {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
  84         {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
  85         {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
  86         {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
  87         {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
  88         {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
  89         {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
  90         {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
  91         {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
  92         {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
  93         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
  94         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
  95         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
  96         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
  97         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
  98         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
  99         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
 100         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
 101         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
 102         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
 103         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
 104         {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
 105 #ifdef IXGBE_FCOE
 106         {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
 107         {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
 108         {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
 109         {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
 110         {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
 111         {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
 112 #endif /* IXGBE_FCOE */
 113 };
 114
 115 #define IXGBE_QUEUE_STATS_LEN \
 116         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
 117         ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
 118         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 119 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 120 #define IXGBE_PB_STATS_LEN ( \
 121                  (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
 122                  IXGBE_FLAG_DCB_ENABLED) ? \
 123                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 124                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 125                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 126                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 127                   / sizeof(u64) : 0)
 128 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 129                          IXGBE_PB_STATS_LEN + \
 130                          IXGBE_QUEUE_STATS_LEN)
 131
 132 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
 133         "Register test  (offline)", "Eeprom test    (offline)",
 134         "Interrupt test (offline)", "Loopback test  (offline)",
 135         "Link test   (on/offline)"
 136 };
 137 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
 138
 139 static int ixgbe_get_settings(struct net_device *netdev,
 140                               struct ethtool_cmd *ecmd)
 141 {
 142         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 143         struct ixgbe_hw *hw = &adapter->hw;
 144         u32 link_speed = 0;
 145         bool link_up;
 146
 147         ecmd->supported = SUPPORTED_10000baseT_Full;
 148         ecmd->autoneg = AUTONEG_ENABLE;
 149         ecmd->transceiver = XCVR_EXTERNAL;
 150         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 151             (hw->phy.multispeed_fiber)) {
 152                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
 153                                     SUPPORTED_Autoneg);
 154
 155                 ecmd->advertising = ADVERTISED_Autoneg;
 156                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
 157                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 158                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
 159                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 160                 /*
 161                  * It's possible that phy.autoneg_advertised may not be
 162                  * set yet.  If so display what the default would be -
 163                  * both 1G and 10G supported.
 164                  */
 165                 if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
 166                                            ADVERTISED_10000baseT_Full)))
 167                         ecmd->advertising |= (ADVERTISED_10000baseT_Full |
 168                                               ADVERTISED_1000baseT_Full);
 169
 170                 if (hw->phy.media_type == ixgbe_media_type_copper) {
 171                         ecmd->supported |= SUPPORTED_TP;
 172                         ecmd->advertising |= ADVERTISED_TP;
 173                         ecmd->port = PORT_TP;
 174                 } else {
 175                         ecmd->supported |= SUPPORTED_FIBRE;
 176                         ecmd->advertising |= ADVERTISED_FIBRE;
 177                         ecmd->port = PORT_FIBRE;
 178                 }
 179         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
 180                 /* Set as FIBRE until SERDES defined in kernel */
 181                 if (hw->device_id == IXGBE_DEV_ID_82598_BX) {
 182                         ecmd->supported = (SUPPORTED_1000baseT_Full |
 183                                            SUPPORTED_FIBRE);
 184                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 185                                              ADVERTISED_FIBRE);
 186                         ecmd->port = PORT_FIBRE;
 187                         ecmd->autoneg = AUTONEG_DISABLE;
 188                 } else {
 189                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 190                                             SUPPORTED_FIBRE);
 191                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 192                                              ADVERTISED_1000baseT_Full |
 193                                              ADVERTISED_FIBRE);
 194                         ecmd->port = PORT_FIBRE;
 195                 }
 196         } else {
 197                 ecmd->supported |= SUPPORTED_FIBRE;
 198                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 199                                      ADVERTISED_FIBRE);
 200                 ecmd->port = PORT_FIBRE;
 201                 ecmd->autoneg = AUTONEG_DISABLE;
 202         }
 203
 204         /* Get PHY type */
 205         switch (adapter->hw.phy.type) {
 206         case ixgbe_phy_tn:
 207         case ixgbe_phy_cu_unknown:
 208                 /* Copper 10G-BASET */
 209                 ecmd->port = PORT_TP;
 210                 break;
 211         case ixgbe_phy_qt:
 212                 ecmd->port = PORT_FIBRE;
 213                 break;
 214         case ixgbe_phy_nl:
 215         case ixgbe_phy_sfp_passive_tyco:
 216         case ixgbe_phy_sfp_passive_unknown:
 217         case ixgbe_phy_sfp_ftl:
 218         case ixgbe_phy_sfp_avago:
 219         case ixgbe_phy_sfp_intel:
 220         case ixgbe_phy_sfp_unknown:
 221                 switch (adapter->hw.phy.sfp_type) {
 222                 /* SFP+ devices, further checking needed */
 223                 case ixgbe_sfp_type_da_cu:
 224                 case ixgbe_sfp_type_da_cu_core0:
 225                 case ixgbe_sfp_type_da_cu_core1:
 226                         ecmd->port = PORT_DA;
 227                         break;
 228                 case ixgbe_sfp_type_sr:
 229                 case ixgbe_sfp_type_lr:
 230                 case ixgbe_sfp_type_srlr_core0:
 231                 case ixgbe_sfp_type_srlr_core1:
 232                         ecmd->port = PORT_FIBRE;
 233                         break;
 234                 case ixgbe_sfp_type_not_present:
 235                         ecmd->port = PORT_NONE;
 236                         break;
 237                 case ixgbe_sfp_type_1g_cu_core0:
 238                 case ixgbe_sfp_type_1g_cu_core1:
 239                         ecmd->port = PORT_TP;
 240                         ecmd->supported = SUPPORTED_TP;
 241                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 242                                              ADVERTISED_TP);
 243                         break;
 244                 case ixgbe_sfp_type_unknown:
 245                 default:
 246                         ecmd->port = PORT_OTHER;
 247                         break;
 248                 }
 249                 break;
 250         case ixgbe_phy_xaui:
 251                 ecmd->port = PORT_NONE;
 252                 break;
 253         case ixgbe_phy_unknown:
 254         case ixgbe_phy_generic:
 255         case ixgbe_phy_sfp_unsupported:
 256         default:
 257                 ecmd->port = PORT_OTHER;
 258                 break;
 259         }
 260
 261         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 262         if (link_up) {
 263                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
 264                                SPEED_10000 : SPEED_1000;
 265                 ecmd->duplex = DUPLEX_FULL;
 266         } else {
 267                 ecmd->speed = -1;
 268                 ecmd->duplex = -1;
 269         }
 270
 271         return 0;
 272 }
 273
 274 static int ixgbe_set_settings(struct net_device *netdev,
 275                               struct ethtool_cmd *ecmd)
 276 {
 277         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 278         struct ixgbe_hw *hw = &adapter->hw;
 279         u32 advertised, old;
 280         s32 err = 0;
 281
 282         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 283             (hw->phy.multispeed_fiber)) {
 284                 /* 10000/copper and 1000/copper must autoneg
 285                  * this function does not support any duplex forcing, but can
 286                  * limit the advertising of the adapter to only 10000 or 1000 */
 287                 if (ecmd->autoneg == AUTONEG_DISABLE)
 288                         return -EINVAL;
 289
 290                 old = hw->phy.autoneg_advertised;
 291                 advertised = 0;
 292                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 293                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 294
 295                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 296                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 297
 298                 if (old == advertised)
 299                         return err;
 300                 /* this sets the link speed and restarts auto-neg */
 301                 hw->mac.autotry_restart = true;
 302                 err = hw->mac.ops.setup_link(hw, advertised, true, true);
 303                 if (err) {
 304                         e_info(probe, "setup link failed with code %d\n", err);
 305                         hw->mac.ops.setup_link(hw, old, true, true);
 306                 }
 307         } else {
 308                 /* in this case we currently only support 10Gb/FULL */
 309                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
 310                     (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
 311                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
 312                         return -EINVAL;
 313         }
 314
 315         return err;
 316 }
 317
 318 static void ixgbe_get_pauseparam(struct net_device *netdev,
 319                                  struct ethtool_pauseparam *pause)
 320 {
 321         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 322         struct ixgbe_hw *hw = &adapter->hw;
 323
 324         /*
 325          * Flow Control Autoneg isn't on if
 326          *  - we didn't ask for it OR
 327          *  - it failed, we know this by tx & rx being off
 328          */
 329         if (hw->fc.disable_fc_autoneg ||
 330             (hw->fc.current_mode == ixgbe_fc_none))
 331                 pause->autoneg = 0;
 332         else
 333                 pause->autoneg = 1;
 334
 335 #ifdef CONFIG_DCB
 336         if (hw->fc.current_mode == ixgbe_fc_pfc) {
 337                 pause->rx_pause = 0;
 338                 pause->tx_pause = 0;
 339         }
 340
 341 #endif
 342         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 343                 pause->rx_pause = 1;
 344         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 345                 pause->tx_pause = 1;
 346         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 347                 pause->rx_pause = 1;
 348                 pause->tx_pause = 1;
 349         }
 350 }
 351
 352 static int ixgbe_set_pauseparam(struct net_device *netdev,
 353                                 struct ethtool_pauseparam *pause)
 354 {
 355         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 356         struct ixgbe_hw *hw = &adapter->hw;
 357         struct ixgbe_fc_info fc;
 358
 359 #ifdef CONFIG_DCB
 360         if (adapter->dcb_cfg.pfc_mode_enable ||
 361                 ((hw->mac.type == ixgbe_mac_82598EB) &&
 362                 (adapter->flags & IXGBE_FLAG_DCB_ENABLED)))
 363                 return -EINVAL;
 364
 365 #endif
 366
 367         fc = hw->fc;
 368
 369         if (pause->autoneg != AUTONEG_ENABLE)
 370                 fc.disable_fc_autoneg = true;
 371         else
 372                 fc.disable_fc_autoneg = false;
 373
 374         if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
 375                 fc.requested_mode = ixgbe_fc_full;
 376         else if (pause->rx_pause && !pause->tx_pause)
 377                 fc.requested_mode = ixgbe_fc_rx_pause;
 378         else if (!pause->rx_pause && pause->tx_pause)
 379                 fc.requested_mode = ixgbe_fc_tx_pause;
 380         else if (!pause->rx_pause && !pause->tx_pause)
 381                 fc.requested_mode = ixgbe_fc_none;
 382         else
 383                 return -EINVAL;
 384
 385 #ifdef CONFIG_DCB
 386         adapter->last_lfc_mode = fc.requested_mode;
 387 #endif
 388
 389         /* if the thing changed then we'll update and use new autoneg */
 390         if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
 391                 hw->fc = fc;
 392                 if (netif_running(netdev))
 393                         ixgbe_reinit_locked(adapter);
 394                 else
 395                         ixgbe_reset(adapter);
 396         }
 397
 398         return 0;
 399 }
 400
 401 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
 402 {
 403         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 404         return adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED;
 405 }
 406
 407 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
 408 {
 409         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 410         if (data)
 411                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
 412         else
 413                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
 414
 415         if (netif_running(netdev))
 416                 ixgbe_reinit_locked(adapter);
 417         else
 418                 ixgbe_reset(adapter);
 419
 420         return 0;
 421 }
 422
 423 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
 424 {
 425         return (netdev->features & NETIF_F_IP_CSUM) != 0;
 426 }
 427
 428 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
 429 {
 430         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 431
 432         if (data) {
 433                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 434                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 435                         netdev->features |= NETIF_F_SCTP_CSUM;
 436         } else {
 437                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 438                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 439                         netdev->features &= ~NETIF_F_SCTP_CSUM;
 440         }
 441
 442         return 0;
 443 }
 444
 445 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
 446 {
 447         if (data) {
 448                 netdev->features |= NETIF_F_TSO;
 449                 netdev->features |= NETIF_F_TSO6;
 450         } else {
 451                 netdev->features &= ~NETIF_F_TSO;
 452                 netdev->features &= ~NETIF_F_TSO6;
 453         }
 454         return 0;
 455 }
 456
 457 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 458 {
 459         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 460         return adapter->msg_enable;
 461 }
 462
 463 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 464 {
 465         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 466         adapter->msg_enable = data;
 467 }
 468
 469 static int ixgbe_get_regs_len(struct net_device *netdev)
 470 {
 471 #define IXGBE_REGS_LEN  1128
 472         return IXGBE_REGS_LEN * sizeof(u32);
 473 }
 474
 475 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 476
 477 static void ixgbe_get_regs(struct net_device *netdev,
 478                            struct ethtool_regs *regs, void *p)
 479 {
 480         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 481         struct ixgbe_hw *hw = &adapter->hw;
 482         u32 *regs_buff = p;
 483         u8 i;
 484
 485         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 486
 487         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 488
 489         /* General Registers */
 490         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 491         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 492         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 493         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 494         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 495         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 496         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 497         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 498
 499         /* NVM Register */
 500         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 501         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 502         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 503         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 504         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 505         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 506         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 507         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 508         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 509         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 510
 511         /* Interrupt */
 512         /* don't read EICR because it can clear interrupt causes, instead
 513          * read EICS which is a shadow but doesn't clear EICR */
 514         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 515         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 516         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 517         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 518         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 519         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 520         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 521         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 522         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 523         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 524         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 525         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 526
 527         /* Flow Control */
 528         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 529         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 530         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 531         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 532         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 533         for (i = 0; i < 8; i++)
 534                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 535         for (i = 0; i < 8; i++)
 536                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 537         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 538         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 539
 540         /* Receive DMA */
 541         for (i = 0; i < 64; i++)
 542                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 543         for (i = 0; i < 64; i++)
 544                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 545         for (i = 0; i < 64; i++)
 546                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 547         for (i = 0; i < 64; i++)
 548                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 549         for (i = 0; i < 64; i++)
 550                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 551         for (i = 0; i < 64; i++)
 552                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 553         for (i = 0; i < 16; i++)
 554                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 555         for (i = 0; i < 16; i++)
 556                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 557         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 558         for (i = 0; i < 8; i++)
 559                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 560         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 561         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 562
 563         /* Receive */
 564         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 565         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 566         for (i = 0; i < 16; i++)
 567                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 568         for (i = 0; i < 16; i++)
 569                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 570         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 571         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 572         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 573         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 574         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 575         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 576         for (i = 0; i < 8; i++)
 577                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 578         for (i = 0; i < 8; i++)
 579                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 580         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 581
 582         /* Transmit */
 583         for (i = 0; i < 32; i++)
 584                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 585         for (i = 0; i < 32; i++)
 586                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 587         for (i = 0; i < 32; i++)
 588                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 589         for (i = 0; i < 32; i++)
 590                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 591         for (i = 0; i < 32; i++)
 592                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 593         for (i = 0; i < 32; i++)
 594                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 595         for (i = 0; i < 32; i++)
 596                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 597         for (i = 0; i < 32; i++)
 598                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 599         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 600         for (i = 0; i < 16; i++)
 601                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 602         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 603         for (i = 0; i < 8; i++)
 604                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 605         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 606
 607         /* Wake Up */
 608         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 609         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 610         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 611         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 612         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 613         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 614         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 615         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 616         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 617
 618         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 619         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 620         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 621         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 622         for (i = 0; i < 8; i++)
 623                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 624         for (i = 0; i < 8; i++)
 625                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 626         for (i = 0; i < 8; i++)
 627                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 628         for (i = 0; i < 8; i++)
 629                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 630         for (i = 0; i < 8; i++)
 631                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 632         for (i = 0; i < 8; i++)
 633                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 634
 635         /* Statistics */
 636         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 637         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 638         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 639         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 640         for (i = 0; i < 8; i++)
 641                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 642         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 643         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 644         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 645         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 646         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 647         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 648         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 649         for (i = 0; i < 8; i++)
 650                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 651         for (i = 0; i < 8; i++)
 652                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 653         for (i = 0; i < 8; i++)
 654                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 655         for (i = 0; i < 8; i++)
 656                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 657         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 658         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 659         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 660         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 661         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 662         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 663         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 664         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 665         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 666         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 667         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 668         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 669         for (i = 0; i < 8; i++)
 670                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 671         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 672         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 673         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 674         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 675         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 676         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 677         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 678         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 679         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 680         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 681         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 682         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 683         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 684         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 685         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 686         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 687         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 688         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 689         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 690         for (i = 0; i < 16; i++)
 691                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 692         for (i = 0; i < 16; i++)
 693                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 694         for (i = 0; i < 16; i++)
 695                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 696         for (i = 0; i < 16; i++)
 697                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 698
 699         /* MAC */
 700         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 701         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 702         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 703         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 704         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 705         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 706         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 707         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 708         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 709         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 710         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 711         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 712         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 713         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 714         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 715         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 716         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 717         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 718         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 719         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 720         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 721         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 722         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 723         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 724         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 725         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 726         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 727         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 728         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 729         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 730         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 731         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 732         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 733
 734         /* Diagnostic */
 735         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 736         for (i = 0; i < 8; i++)
 737                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 738         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 739         for (i = 0; i < 4; i++)
 740                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 741         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 742         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 743         for (i = 0; i < 8; i++)
 744                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 745         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 746         for (i = 0; i < 4; i++)
 747                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 748         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 749         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 750         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 751         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 752         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 753         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 754         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 755         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 756         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 757         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 758         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 759         for (i = 0; i < 8; i++)
 760                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 761         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 762         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 763         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 764         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 765         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 766         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 767         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 768         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 769         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 770 }
 771
 772 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 773 {
 774         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 775         return adapter->hw.eeprom.word_size * 2;
 776 }
 777
 778 static int ixgbe_get_eeprom(struct net_device *netdev,
 779                             struct ethtool_eeprom *eeprom, u8 *bytes)
 780 {
 781         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 782         struct ixgbe_hw *hw = &adapter->hw;
 783         u16 *eeprom_buff;
 784         int first_word, last_word, eeprom_len;
 785         int ret_val = 0;
 786         u16 i;
 787
 788         if (eeprom->len == 0)
 789                 return -EINVAL;
 790
 791         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 792
 793         first_word = eeprom->offset >> 1;
 794         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 795         eeprom_len = last_word - first_word + 1;
 796
 797         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 798         if (!eeprom_buff)
 799                 return -ENOMEM;
 800
 801         for (i = 0; i < eeprom_len; i++) {
 802                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
 803                     &eeprom_buff[i])))
 804                         break;
 805         }
 806
 807         /* Device's eeprom is always little-endian, word addressable */
 808         for (i = 0; i < eeprom_len; i++)
 809                 le16_to_cpus(&eeprom_buff[i]);
 810
 811         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 812         kfree(eeprom_buff);
 813
 814         return ret_val;
 815 }
 816
 817 static void ixgbe_get_drvinfo(struct net_device *netdev,
 818                               struct ethtool_drvinfo *drvinfo)
 819 {
 820         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 821         char firmware_version[32];
 822
 823         strncpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
 824         strncpy(drvinfo->version, ixgbe_driver_version,
 825                 sizeof(drvinfo->version));
 826
 827         snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d",
 828                  (adapter->eeprom_version & 0xF000) >> 12,
 829                  (adapter->eeprom_version & 0x0FF0) >> 4,
 830                  adapter->eeprom_version & 0x000F);
 831
 832         strncpy(drvinfo->fw_version, firmware_version,
 833                 sizeof(drvinfo->fw_version));
 834         strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
 835                 sizeof(drvinfo->bus_info));
 836         drvinfo->n_stats = IXGBE_STATS_LEN;
 837         drvinfo->testinfo_len = IXGBE_TEST_LEN;
 838         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 839 }
 840
 841 static void ixgbe_get_ringparam(struct net_device *netdev,
 842                                 struct ethtool_ringparam *ring)
 843 {
 844         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 845         struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
 846         struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
 847
 848         ring->rx_max_pending = IXGBE_MAX_RXD;
 849         ring->tx_max_pending = IXGBE_MAX_TXD;
 850         ring->rx_mini_max_pending = 0;
 851         ring->rx_jumbo_max_pending = 0;
 852         ring->rx_pending = rx_ring->count;
 853         ring->tx_pending = tx_ring->count;
 854         ring->rx_mini_pending = 0;
 855         ring->rx_jumbo_pending = 0;
 856 }
 857
 858 static int ixgbe_set_ringparam(struct net_device *netdev,
 859                                struct ethtool_ringparam *ring)
 860 {
 861         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 862         struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
 863         int i, err = 0;
 864         u32 new_rx_count, new_tx_count;
 865         bool need_update = false;
 866
 867         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 868                 return -EINVAL;
 869
 870         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
 871         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
 872         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 873
 874         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
 875         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
 876         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 877
 878         if ((new_tx_count == adapter->tx_ring[0]->count) &&
 879             (new_rx_count == adapter->rx_ring[0]->count)) {
 880                 /* nothing to do */
 881                 return 0;
 882         }
 883
 884         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 885                 msleep(1);
 886
 887         if (!netif_running(adapter->netdev)) {
 888                 for (i = 0; i < adapter->num_tx_queues; i++)
 889                         adapter->tx_ring[i]->count = new_tx_count;
 890                 for (i = 0; i < adapter->num_rx_queues; i++)
 891                         adapter->rx_ring[i]->count = new_rx_count;
 892                 adapter->tx_ring_count = new_tx_count;
 893                 adapter->rx_ring_count = new_rx_count;
 894                 goto clear_reset;
 895         }
 896
 897         temp_tx_ring = vmalloc(adapter->num_tx_queues * sizeof(struct ixgbe_ring));
 898         if (!temp_tx_ring) {
 899                 err = -ENOMEM;
 900                 goto clear_reset;
 901         }
 902
 903         if (new_tx_count != adapter->tx_ring_count) {
 904                 for (i = 0; i < adapter->num_tx_queues; i++) {
 905                         memcpy(&temp_tx_ring[i], adapter->tx_ring[i],
 906                                sizeof(struct ixgbe_ring));
 907                         temp_tx_ring[i].count = new_tx_count;
 908                         err = ixgbe_setup_tx_resources(adapter,
 909                                                        &temp_tx_ring[i]);
 910                         if (err) {
 911                                 while (i) {
 912                                         i--;
 913                                         ixgbe_free_tx_resources(adapter,
 914                                                               &temp_tx_ring[i]);
 915                                 }
 916                                 goto clear_reset;
 917                         }
 918                 }
 919                 need_update = true;
 920         }
 921
 922         temp_rx_ring = vmalloc(adapter->num_rx_queues * sizeof(struct ixgbe_ring));
 923         if (!temp_rx_ring) {
 924                 err = -ENOMEM;
 925                 goto err_setup;
 926         }
 927
 928         if (new_rx_count != adapter->rx_ring_count) {
 929                 for (i = 0; i < adapter->num_rx_queues; i++) {
 930                         memcpy(&temp_rx_ring[i], adapter->rx_ring[i],
 931                                sizeof(struct ixgbe_ring));
 932                         temp_rx_ring[i].count = new_rx_count;
 933                         err = ixgbe_setup_rx_resources(adapter,
 934                                                        &temp_rx_ring[i]);
 935                         if (err) {
 936                                 while (i) {
 937                                         i--;
 938                                         ixgbe_free_rx_resources(adapter,
 939                                                               &temp_rx_ring[i]);
 940                                 }
 941                                 goto err_setup;
 942                         }
 943                 }
 944                 need_update = true;
 945         }
 946
 947         /* if rings need to be updated, here's the place to do it in one shot */
 948         if (need_update) {
 949                 ixgbe_down(adapter);
 950
 951                 /* tx */
 952                 if (new_tx_count != adapter->tx_ring_count) {
 953                         for (i = 0; i < adapter->num_tx_queues; i++) {
 954                                 ixgbe_free_tx_resources(adapter,
 955                                                         adapter->tx_ring[i]);
 956                                 memcpy(adapter->tx_ring[i], &temp_tx_ring[i],
 957                                        sizeof(struct ixgbe_ring));
 958                         }
 959                         adapter->tx_ring_count = new_tx_count;
 960                 }
 961
 962                 /* rx */
 963                 if (new_rx_count != adapter->rx_ring_count) {
 964                         for (i = 0; i < adapter->num_rx_queues; i++) {
 965                                 ixgbe_free_rx_resources(adapter,
 966                                                         adapter->rx_ring[i]);
 967                                 memcpy(adapter->rx_ring[i], &temp_rx_ring[i],
 968                                        sizeof(struct ixgbe_ring));
 969                         }
 970                         adapter->rx_ring_count = new_rx_count;
 971                 }
 972                 ixgbe_up(adapter);
 973         }
 974
 975         vfree(temp_rx_ring);
 976 err_setup:
 977         vfree(temp_tx_ring);
 978 clear_reset:
 979         clear_bit(__IXGBE_RESETTING, &adapter->state);
 980         return err;
 981 }
 982
 983 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
 984 {
 985         switch (sset) {
 986         case ETH_SS_TEST:
 987                 return IXGBE_TEST_LEN;
 988         case ETH_SS_STATS:
 989                 return IXGBE_STATS_LEN;
 990         case ETH_SS_NTUPLE_FILTERS:
 991                 return ETHTOOL_MAX_NTUPLE_LIST_ENTRY *
 992                        ETHTOOL_MAX_NTUPLE_STRING_PER_ENTRY;
 993         default:
 994                 return -EOPNOTSUPP;
 995         }
 996 }
 997
 998 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 999                                     struct ethtool_stats *stats, u64 *data)
1000 {
1001         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1002         u64 *queue_stat;
1003         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
1004         struct rtnl_link_stats64 temp;
1005         const struct rtnl_link_stats64 *net_stats;
1006         int j, k;
1007         int i;
1008         char *p = NULL;
1009
1010         ixgbe_update_stats(adapter);
1011         net_stats = dev_get_stats(netdev, &temp);
1012         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1013                 switch (ixgbe_gstrings_stats[i].type) {
1014                 case NETDEV_STATS:
1015                         p = (char *) net_stats +
1016                                         ixgbe_gstrings_stats[i].stat_offset;
1017                         break;
1018                 case IXGBE_STATS:
1019                         p = (char *) adapter +
1020                                         ixgbe_gstrings_stats[i].stat_offset;
1021                         break;
1022                 }
1023
1024                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1025                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1026         }
1027         for (j = 0; j < adapter->num_tx_queues; j++) {
1028                 queue_stat = (u64 *)&adapter->tx_ring[j]->stats;
1029                 for (k = 0; k < stat_count; k++)
1030                         data[i + k] = queue_stat[k];
1031                 i += k;
1032         }
1033         for (j = 0; j < adapter->num_rx_queues; j++) {
1034                 queue_stat = (u64 *)&adapter->rx_ring[j]->stats;
1035                 for (k = 0; k < stat_count; k++)
1036                         data[i + k] = queue_stat[k];
1037                 i += k;
1038         }
1039         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1040                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
1041                         data[i++] = adapter->stats.pxontxc[j];
1042                         data[i++] = adapter->stats.pxofftxc[j];
1043                 }
1044                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
1045                         data[i++] = adapter->stats.pxonrxc[j];
1046                         data[i++] = adapter->stats.pxoffrxc[j];
1047                 }
1048         }
1049 }
1050
1051 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1052                               u8 *data)
1053 {
1054         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1055         char *p = (char *)data;
1056         int i;
1057
1058         switch (stringset) {
1059         case ETH_SS_TEST:
1060                 memcpy(data, *ixgbe_gstrings_test,
1061                        IXGBE_TEST_LEN * ETH_GSTRING_LEN);
1062                 break;
1063         case ETH_SS_STATS:
1064                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1065                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1066                                ETH_GSTRING_LEN);
1067                         p += ETH_GSTRING_LEN;
1068                 }
1069                 for (i = 0; i < adapter->num_tx_queues; i++) {
1070                         sprintf(p, "tx_queue_%u_packets", i);
1071                         p += ETH_GSTRING_LEN;
1072                         sprintf(p, "tx_queue_%u_bytes", i);
1073                         p += ETH_GSTRING_LEN;
1074                 }
1075                 for (i = 0; i < adapter->num_rx_queues; i++) {
1076                         sprintf(p, "rx_queue_%u_packets", i);
1077                         p += ETH_GSTRING_LEN;
1078                         sprintf(p, "rx_queue_%u_bytes", i);
1079                         p += ETH_GSTRING_LEN;
1080                 }
1081                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1082                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
1083                                 sprintf(p, "tx_pb_%u_pxon", i);
1084                                 p += ETH_GSTRING_LEN;
1085                                 sprintf(p, "tx_pb_%u_pxoff", i);
1086                                 p += ETH_GSTRING_LEN;
1087                         }
1088                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
1089                                 sprintf(p, "rx_pb_%u_pxon", i);
1090                                 p += ETH_GSTRING_LEN;
1091                                 sprintf(p, "rx_pb_%u_pxoff", i);
1092                                 p += ETH_GSTRING_LEN;
1093                         }
1094                 }
1095                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1096                 break;
1097         }
1098 }
1099
1100 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1101 {
1102         struct ixgbe_hw *hw = &adapter->hw;
1103         bool link_up;
1104         u32 link_speed = 0;
1105         *data = 0;
1106
1107         hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1108         if (link_up)
1109                 return *data;
1110         else
1111                 *data = 1;
1112         return *data;
1113 }
1114
1115 /* ethtool register test data */
1116 struct ixgbe_reg_test {
1117         u16 reg;
1118         u8  array_len;
1119         u8  test_type;
1120         u32 mask;
1121         u32 write;
1122 };
1123
1124 /* In the hardware, registers are laid out either singly, in arrays
1125  * spaced 0x40 bytes apart, or in contiguous tables.  We assume
1126  * most tests take place on arrays or single registers (handled
1127  * as a single-element array) and special-case the tables.
1128  * Table tests are always pattern tests.
1129  *
1130  * We also make provision for some required setup steps by specifying
1131  * registers to be written without any read-back testing.
1132  */
1133
1134 #define PATTERN_TEST    1
1135 #define SET_READ_TEST   2
1136 #define WRITE_NO_TEST   3
1137 #define TABLE32_TEST    4
1138 #define TABLE64_TEST_LO 5
1139 #define TABLE64_TEST_HI 6
1140
1141 /* default 82599 register test */
1142 static struct ixgbe_reg_test reg_test_82599[] = {
1143         { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1144         { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1145         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1146         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1147         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1148         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1149         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1150         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1151         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1152         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1153         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1154         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1155         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1156         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1157         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1158         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1159         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1160         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1161         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1162         { 0, 0, 0, 0 }
1163 };
1164
1165 /* default 82598 register test */
1166 static struct ixgbe_reg_test reg_test_82598[] = {
1167         { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1168         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1169         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1170         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1171         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1172         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1173         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1174         /* Enable all four RX queues before testing. */
1175         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1176         /* RDH is read-only for 82598, only test RDT. */
1177         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1178         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1179         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1180         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1181         { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1182         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1183         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1184         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1185         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1186         { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1187         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1188         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1189         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1190         { 0, 0, 0, 0 }
1191 };
1192
1193 #define REG_PATTERN_TEST(R, M, W)                                             \
1194 {                                                                             \
1195         u32 pat, val, before;                                                 \
1196         const u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
1197         for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {                       \
1198                 before = readl(adapter->hw.hw_addr + R);                      \
1199                 writel((_test[pat] & W), (adapter->hw.hw_addr + R));          \
1200                 val = readl(adapter->hw.hw_addr + R);                         \
1201                 if (val != (_test[pat] & W & M)) {                            \
1202                         e_err(drv, "pattern test reg %04X failed: got "   \
1203                               "0x%08X expected 0x%08X\n",                     \
1204                               R, val, (_test[pat] & W & M));                \
1205                         *data = R;                                            \
1206                         writel(before, adapter->hw.hw_addr + R);              \
1207                         return 1;                                             \
1208                 }                                                             \
1209                 writel(before, adapter->hw.hw_addr + R);                      \
1210         }                                                                     \
1211 }
1212
1213 #define REG_SET_AND_CHECK(R, M, W)                                            \
1214 {                                                                             \
1215         u32 val, before;                                                      \
1216         before = readl(adapter->hw.hw_addr + R);                              \
1217         writel((W & M), (adapter->hw.hw_addr + R));                           \
1218         val = readl(adapter->hw.hw_addr + R);                                 \
1219         if ((W & M) != (val & M)) {                                           \
1220                 e_err(drv, "set/check reg %04X test failed: got 0x%08X "  \
1221                       "expected 0x%08X\n", R, (val & M), (W & M));        \
1222                 *data = R;                                                    \
1223                 writel(before, (adapter->hw.hw_addr + R));                    \
1224                 return 1;                                                     \
1225         }                                                                     \
1226         writel(before, (adapter->hw.hw_addr + R));                            \
1227 }
1228
1229 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1230 {
1231         struct ixgbe_reg_test *test;
1232         u32 value, before, after;
1233         u32 i, toggle;
1234
1235         if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
1236                 toggle = 0x7FFFF30F;
1237                 test = reg_test_82599;
1238         } else {
1239                 toggle = 0x7FFFF3FF;
1240                 test = reg_test_82598;
1241         }
1242
1243         /*
1244          * Because the status register is such a special case,
1245          * we handle it separately from the rest of the register
1246          * tests.  Some bits are read-only, some toggle, and some
1247          * are writeable on newer MACs.
1248          */
1249         before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1250         value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1251         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1252         after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1253         if (value != after) {
1254                 e_err(drv, "failed STATUS register test got: 0x%08X "
1255                       "expected: 0x%08X\n", after, value);
1256                 *data = 1;
1257                 return 1;
1258         }
1259         /* restore previous status */
1260         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, before);
1261
1262         /*
1263          * Perform the remainder of the register test, looping through
1264          * the test table until we either fail or reach the null entry.
1265          */
1266         while (test->reg) {
1267                 for (i = 0; i < test->array_len; i++) {
1268                         switch (test->test_type) {
1269                         case PATTERN_TEST:
1270                                 REG_PATTERN_TEST(test->reg + (i * 0x40),
1271                                                 test->mask,
1272                                                 test->write);
1273                                 break;
1274                         case SET_READ_TEST:
1275                                 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1276                                                 test->mask,
1277                                                 test->write);
1278                                 break;
1279                         case WRITE_NO_TEST:
1280                                 writel(test->write,
1281                                        (adapter->hw.hw_addr + test->reg)
1282                                        + (i * 0x40));
1283                                 break;
1284                         case TABLE32_TEST:
1285                                 REG_PATTERN_TEST(test->reg + (i * 4),
1286                                                 test->mask,
1287                                                 test->write);
1288                                 break;
1289                         case TABLE64_TEST_LO:
1290                                 REG_PATTERN_TEST(test->reg + (i * 8),
1291                                                 test->mask,
1292                                                 test->write);
1293                                 break;
1294                         case TABLE64_TEST_HI:
1295                                 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1296                                                 test->mask,
1297                                                 test->write);
1298                                 break;
1299                         }
1300                 }
1301                 test++;
1302         }
1303
1304         *data = 0;
1305         return 0;
1306 }
1307
1308 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1309 {
1310         struct ixgbe_hw *hw = &adapter->hw;
1311         if (hw->eeprom.ops.validate_checksum(hw, NULL))
1312                 *data = 1;
1313         else
1314                 *data = 0;
1315         return *data;
1316 }
1317
1318 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1319 {
1320         struct net_device *netdev = (struct net_device *) data;
1321         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1322
1323         adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1324
1325         return IRQ_HANDLED;
1326 }
1327
1328 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1329 {
1330         struct net_device *netdev = adapter->netdev;
1331         u32 mask, i = 0, shared_int = true;
1332         u32 irq = adapter->pdev->irq;
1333
1334         *data = 0;
1335
1336         /* Hook up test interrupt handler just for this test */
1337         if (adapter->msix_entries) {
1338                 /* NOTE: we don't test MSI-X interrupts here, yet */
1339                 return 0;
1340         } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1341                 shared_int = false;
1342                 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1343                                 netdev)) {
1344                         *data = 1;
1345                         return -1;
1346                 }
1347         } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1348                                 netdev->name, netdev)) {
1349                 shared_int = false;
1350         } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1351                                netdev->name, netdev)) {
1352                 *data = 1;
1353                 return -1;
1354         }
1355         e_info(hw, "testing %s interrupt\n", shared_int ?
1356                "shared" : "unshared");
1357
1358         /* Disable all the interrupts */
1359         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1360         msleep(10);
1361
1362         /* Test each interrupt */
1363         for (; i < 10; i++) {
1364                 /* Interrupt to test */
1365                 mask = 1 << i;
1366
1367                 if (!shared_int) {
1368                         /*
1369                          * Disable the interrupts to be reported in
1370                          * the cause register and then force the same
1371                          * interrupt and see if one gets posted.  If
1372                          * an interrupt was posted to the bus, the
1373                          * test failed.
1374                          */
1375                         adapter->test_icr = 0;
1376                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1377                                         ~mask & 0x00007FFF);
1378                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1379                                         ~mask & 0x00007FFF);
1380                         msleep(10);
1381
1382                         if (adapter->test_icr & mask) {
1383                                 *data = 3;
1384                                 break;
1385                         }
1386                 }
1387
1388                 /*
1389                  * Enable the interrupt to be reported in the cause
1390                  * register and then force the same interrupt and see
1391                  * if one gets posted.  If an interrupt was not posted
1392                  * to the bus, the test failed.
1393                  */
1394                 adapter->test_icr = 0;
1395                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1396                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1397                 msleep(10);
1398
1399                 if (!(adapter->test_icr &mask)) {
1400                         *data = 4;
1401                         break;
1402                 }
1403
1404                 if (!shared_int) {
1405                         /*
1406                          * Disable the other interrupts to be reported in
1407                          * the cause register and then force the other
1408                          * interrupts and see if any get posted.  If
1409                          * an interrupt was posted to the bus, the
1410                          * test failed.
1411                          */
1412                         adapter->test_icr = 0;
1413                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1414                                         ~mask & 0x00007FFF);
1415                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1416                                         ~mask & 0x00007FFF);
1417                         msleep(10);
1418
1419                         if (adapter->test_icr) {
1420                                 *data = 5;
1421                                 break;
1422                         }
1423                 }
1424         }
1425
1426         /* Disable all the interrupts */
1427         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1428         msleep(10);
1429
1430         /* Unhook test interrupt handler */
1431         free_irq(irq, netdev);
1432
1433         return *data;
1434 }
1435
1436 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1437 {
1438         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1439         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1440         struct ixgbe_hw *hw = &adapter->hw;
1441         u32 reg_ctl;
1442
1443         /* shut down the DMA engines now so they can be reinitialized later */
1444
1445         /* first Rx */
1446         reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
1447         reg_ctl &= ~IXGBE_RXCTRL_RXEN;
1448         IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
1449         reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rx_ring->reg_idx));
1450         reg_ctl &= ~IXGBE_RXDCTL_ENABLE;
1451         IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rx_ring->reg_idx), reg_ctl);
1452
1453         /* now Tx */
1454         reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx));
1455         reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1456         IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
1457
1458         if (hw->mac.type == ixgbe_mac_82599EB) {
1459                 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1460                 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1461                 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1462         }
1463
1464         ixgbe_reset(adapter);
1465
1466         ixgbe_free_tx_resources(adapter, &adapter->test_tx_ring);
1467         ixgbe_free_rx_resources(adapter, &adapter->test_rx_ring);
1468 }
1469
1470 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1471 {
1472         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1473         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1474         u32 rctl, reg_data;
1475         int ret_val;
1476         int err;
1477
1478         /* Setup Tx descriptor ring and Tx buffers */
1479         tx_ring->count = IXGBE_DEFAULT_TXD;
1480         tx_ring->queue_index = 0;
1481         tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1482         tx_ring->numa_node = adapter->node;
1483
1484         err = ixgbe_setup_tx_resources(adapter, tx_ring);
1485         if (err)
1486                 return 1;
1487
1488         if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
1489                 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1490                 reg_data |= IXGBE_DMATXCTL_TE;
1491                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1492         }
1493
1494         ixgbe_configure_tx_ring(adapter, tx_ring);
1495
1496         /* Setup Rx Descriptor ring and Rx buffers */
1497         rx_ring->count = IXGBE_DEFAULT_RXD;
1498         rx_ring->queue_index = 0;
1499         rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1500         rx_ring->rx_buf_len = IXGBE_RXBUFFER_2048;
1501         rx_ring->numa_node = adapter->node;
1502
1503         err = ixgbe_setup_rx_resources(adapter, rx_ring);
1504         if (err) {
1505                 ret_val = 4;
1506                 goto err_nomem;
1507         }
1508
1509         rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1510         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
1511
1512         ixgbe_configure_rx_ring(adapter, rx_ring);
1513
1514         rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
1515         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1516
1517         return 0;
1518
1519 err_nomem:
1520         ixgbe_free_desc_rings(adapter);
1521         return ret_val;
1522 }
1523
1524 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1525 {
1526         struct ixgbe_hw *hw = &adapter->hw;
1527         u32 reg_data;
1528
1529         /* right now we only support MAC loopback in the driver */
1530         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1531         /* Setup MAC loopback */
1532         reg_data |= IXGBE_HLREG0_LPBK;
1533         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1534
1535         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
1536         reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1537         IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data);
1538
1539         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_AUTOC);
1540         reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1541         reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1542         IXGBE_WRITE_REG(&adapter->hw, IXGBE_AUTOC, reg_data);
1543         IXGBE_WRITE_FLUSH(&adapter->hw);
1544         msleep(10);
1545
1546         /* Disable Atlas Tx lanes; re-enabled in reset path */
1547         if (hw->mac.type == ixgbe_mac_82598EB) {
1548                 u8 atlas;
1549
1550                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1551                 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1552                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1553
1554                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1555                 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1556                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1557
1558                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1559                 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1560                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1561
1562                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1563                 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1564                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1565         }
1566
1567         return 0;
1568 }
1569
1570 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1571 {
1572         u32 reg_data;
1573
1574         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1575         reg_data &= ~IXGBE_HLREG0_LPBK;
1576         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1577 }
1578
1579 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1580                                       unsigned int frame_size)
1581 {
1582         memset(skb->data, 0xFF, frame_size);
1583         frame_size &= ~1;
1584         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1585         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1586         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1587 }
1588
1589 static int ixgbe_check_lbtest_frame(struct sk_buff *skb,
1590                                     unsigned int frame_size)
1591 {
1592         frame_size &= ~1;
1593         if (*(skb->data + 3) == 0xFF) {
1594                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1595                     (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1596                         return 0;
1597                 }
1598         }
1599         return 13;
1600 }
1601
1602 static u16 ixgbe_clean_test_rings(struct ixgbe_adapter *adapter,
1603                                   struct ixgbe_ring *rx_ring,
1604                                   struct ixgbe_ring *tx_ring,
1605                                   unsigned int size)
1606 {
1607         union ixgbe_adv_rx_desc *rx_desc;
1608         struct ixgbe_rx_buffer *rx_buffer_info;
1609         struct ixgbe_tx_buffer *tx_buffer_info;
1610         const int bufsz = rx_ring->rx_buf_len;
1611         u32 staterr;
1612         u16 rx_ntc, tx_ntc, count = 0;
1613
1614         /* initialize next to clean and descriptor values */
1615         rx_ntc = rx_ring->next_to_clean;
1616         tx_ntc = tx_ring->next_to_clean;
1617         rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
1618         staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
1619
1620         while (staterr & IXGBE_RXD_STAT_DD) {
1621                 /* check Rx buffer */
1622                 rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
1623
1624                 /* unmap Rx buffer, will be remapped by alloc_rx_buffers */
1625                 dma_unmap_single(&adapter->pdev->dev,
1626                                  rx_buffer_info->dma,
1627                                  bufsz,
1628                                  DMA_FROM_DEVICE);
1629                 rx_buffer_info->dma = 0;
1630
1631                 /* verify contents of skb */
1632                 if (!ixgbe_check_lbtest_frame(rx_buffer_info->skb, size))
1633                         count++;
1634
1635                 /* unmap buffer on Tx side */
1636                 tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
1637                 ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info);
1638
1639                 /* increment Rx/Tx next to clean counters */
1640                 rx_ntc++;
1641                 if (rx_ntc == rx_ring->count)
1642                         rx_ntc = 0;
1643                 tx_ntc++;
1644                 if (tx_ntc == tx_ring->count)
1645                         tx_ntc = 0;
1646
1647                 /* fetch next descriptor */
1648                 rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
1649                 staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
1650         }
1651
1652         /* re-map buffers to ring, store next to clean values */
1653         ixgbe_alloc_rx_buffers(adapter, rx_ring, count);
1654         rx_ring->next_to_clean = rx_ntc;
1655         tx_ring->next_to_clean = tx_ntc;
1656
1657         return count;
1658 }
1659
1660 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1661 {
1662         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1663         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1664         int i, j, lc, good_cnt, ret_val = 0;
1665         unsigned int size = 1024;
1666         netdev_tx_t tx_ret_val;
1667         struct sk_buff *skb;
1668
1669         /* allocate test skb */
1670         skb = alloc_skb(size, GFP_KERNEL);
1671         if (!skb)
1672                 return 11;
1673
1674         /* place data into test skb */
1675         ixgbe_create_lbtest_frame(skb, size);
1676         skb_put(skb, size);
1677
1678         /*
1679          * Calculate the loop count based on the largest descriptor ring
1680          * The idea is to wrap the largest ring a number of times using 64
1681          * send/receive pairs during each loop
1682          */
1683
1684         if (rx_ring->count <= tx_ring->count)
1685                 lc = ((tx_ring->count / 64) * 2) + 1;
1686         else
1687                 lc = ((rx_ring->count / 64) * 2) + 1;
1688
1689         for (j = 0; j <= lc; j++) {
1690                 /* reset count of good packets */
1691                 good_cnt = 0;
1692
1693                 /* place 64 packets on the transmit queue*/
1694                 for (i = 0; i < 64; i++) {
1695                         skb_get(skb);
1696                         tx_ret_val = ixgbe_xmit_frame_ring(skb,
1697                                                            adapter->netdev,
1698                                                            adapter,
1699                                                            tx_ring);
1700                         if (tx_ret_val == NETDEV_TX_OK)
1701                                 good_cnt++;
1702                 }
1703
1704                 if (good_cnt != 64) {
1705                         ret_val = 12;
1706                         break;
1707                 }
1708
1709                 /* allow 200 milliseconds for packets to go from Tx to Rx */
1710                 msleep(200);
1711
1712                 good_cnt = ixgbe_clean_test_rings(adapter, rx_ring,
1713                                                   tx_ring, size);
1714                 if (good_cnt != 64) {
1715                         ret_val = 13;
1716                         break;
1717                 }
1718         }
1719
1720         /* free the original skb */
1721         kfree_skb(skb);
1722
1723         return ret_val;
1724 }
1725
1726 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1727 {
1728         *data = ixgbe_setup_desc_rings(adapter);
1729         if (*data)
1730                 goto out;
1731         *data = ixgbe_setup_loopback_test(adapter);
1732         if (*data)
1733                 goto err_loopback;
1734         *data = ixgbe_run_loopback_test(adapter);
1735         ixgbe_loopback_cleanup(adapter);
1736
1737 err_loopback:
1738         ixgbe_free_desc_rings(adapter);
1739 out:
1740         return *data;
1741 }
1742
1743 static void ixgbe_diag_test(struct net_device *netdev,
1744                             struct ethtool_test *eth_test, u64 *data)
1745 {
1746         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1747         bool if_running = netif_running(netdev);
1748
1749         set_bit(__IXGBE_TESTING, &adapter->state);
1750         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1751                 /* Offline tests */
1752
1753                 e_info(hw, "offline testing starting\n");
1754
1755                 /* Link test performed before hardware reset so autoneg doesn't
1756                  * interfere with test result */
1757                 if (ixgbe_link_test(adapter, &data[4]))
1758                         eth_test->flags |= ETH_TEST_FL_FAILED;
1759
1760                 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1761                         int i;
1762                         for (i = 0; i < adapter->num_vfs; i++) {
1763                                 if (adapter->vfinfo[i].clear_to_send) {
1764                                         netdev_warn(netdev, "%s",
1765                                                     "offline diagnostic is not "
1766                                                     "supported when VFs are "
1767                                                     "present\n");
1768                                         data[0] = 1;
1769                                         data[1] = 1;
1770                                         data[2] = 1;
1771                                         data[3] = 1;
1772                                         eth_test->flags |= ETH_TEST_FL_FAILED;
1773                                         clear_bit(__IXGBE_TESTING,
1774                                                   &adapter->state);
1775                                         goto skip_ol_tests;
1776                                 }
1777                         }
1778                 }
1779
1780                 if (if_running)
1781                         /* indicate we're in test mode */
1782                         dev_close(netdev);
1783                 else
1784                         ixgbe_reset(adapter);
1785
1786                 e_info(hw, "register testing starting\n");
1787                 if (ixgbe_reg_test(adapter, &data[0]))
1788                         eth_test->flags |= ETH_TEST_FL_FAILED;
1789
1790                 ixgbe_reset(adapter);
1791                 e_info(hw, "eeprom testing starting\n");
1792                 if (ixgbe_eeprom_test(adapter, &data[1]))
1793                         eth_test->flags |= ETH_TEST_FL_FAILED;
1794
1795                 ixgbe_reset(adapter);
1796                 e_info(hw, "interrupt testing starting\n");
1797                 if (ixgbe_intr_test(adapter, &data[2]))
1798                         eth_test->flags |= ETH_TEST_FL_FAILED;
1799
1800                 /* If SRIOV or VMDq is enabled then skip MAC
1801                  * loopback diagnostic. */
1802                 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
1803                                       IXGBE_FLAG_VMDQ_ENABLED)) {
1804                         e_info(hw, "Skip MAC loopback diagnostic in VT "
1805                                "mode\n");
1806                         data[3] = 0;
1807                         goto skip_loopback;
1808                 }
1809
1810                 ixgbe_reset(adapter);
1811                 e_info(hw, "loopback testing starting\n");
1812                 if (ixgbe_loopback_test(adapter, &data[3]))
1813                         eth_test->flags |= ETH_TEST_FL_FAILED;
1814
1815 skip_loopback:
1816                 ixgbe_reset(adapter);
1817
1818                 clear_bit(__IXGBE_TESTING, &adapter->state);
1819                 if (if_running)
1820                         dev_open(netdev);
1821         } else {
1822                 e_info(hw, "online testing starting\n");
1823                 /* Online tests */
1824                 if (ixgbe_link_test(adapter, &data[4]))
1825                         eth_test->flags |= ETH_TEST_FL_FAILED;
1826
1827                 /* Online tests aren't run; pass by default */
1828                 data[0] = 0;
1829                 data[1] = 0;
1830                 data[2] = 0;
1831                 data[3] = 0;
1832
1833                 clear_bit(__IXGBE_TESTING, &adapter->state);
1834         }
1835 skip_ol_tests:
1836         msleep_interruptible(4 * 1000);
1837 }
1838
1839 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1840                                struct ethtool_wolinfo *wol)
1841 {
1842         struct ixgbe_hw *hw = &adapter->hw;
1843         int retval = 1;
1844
1845         switch(hw->device_id) {
1846         case IXGBE_DEV_ID_82599_KX4:
1847                 retval = 0;
1848                 break;
1849         default:
1850                 wol->supported = 0;
1851         }
1852
1853         return retval;
1854 }
1855
1856 static void ixgbe_get_wol(struct net_device *netdev,
1857                           struct ethtool_wolinfo *wol)
1858 {
1859         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1860
1861         wol->supported = WAKE_UCAST | WAKE_MCAST |
1862                          WAKE_BCAST | WAKE_MAGIC;
1863         wol->wolopts = 0;
1864
1865         if (ixgbe_wol_exclusion(adapter, wol) ||
1866             !device_can_wakeup(&adapter->pdev->dev))
1867                 return;
1868
1869         if (adapter->wol & IXGBE_WUFC_EX)
1870                 wol->wolopts |= WAKE_UCAST;
1871         if (adapter->wol & IXGBE_WUFC_MC)
1872                 wol->wolopts |= WAKE_MCAST;
1873         if (adapter->wol & IXGBE_WUFC_BC)
1874                 wol->wolopts |= WAKE_BCAST;
1875         if (adapter->wol & IXGBE_WUFC_MAG)
1876                 wol->wolopts |= WAKE_MAGIC;
1877 }
1878
1879 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1880 {
1881         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1882
1883         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1884                 return -EOPNOTSUPP;
1885
1886         if (ixgbe_wol_exclusion(adapter, wol))
1887                 return wol->wolopts ? -EOPNOTSUPP : 0;
1888
1889         adapter->wol = 0;
1890
1891         if (wol->wolopts & WAKE_UCAST)
1892                 adapter->wol |= IXGBE_WUFC_EX;
1893         if (wol->wolopts & WAKE_MCAST)
1894                 adapter->wol |= IXGBE_WUFC_MC;
1895         if (wol->wolopts & WAKE_BCAST)
1896                 adapter->wol |= IXGBE_WUFC_BC;
1897         if (wol->wolopts & WAKE_MAGIC)
1898                 adapter->wol |= IXGBE_WUFC_MAG;
1899
1900         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1901
1902         return 0;
1903 }
1904
1905 static int ixgbe_nway_reset(struct net_device *netdev)
1906 {
1907         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1908
1909         if (netif_running(netdev))
1910                 ixgbe_reinit_locked(adapter);
1911
1912         return 0;
1913 }
1914
1915 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1916 {
1917         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1918         struct ixgbe_hw *hw = &adapter->hw;
1919         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1920         u32 i;
1921
1922         if (!data || data > 300)
1923                 data = 300;
1924
1925         for (i = 0; i < (data * 1000); i += 400) {
1926                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1927                 msleep_interruptible(200);
1928                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1929                 msleep_interruptible(200);
1930         }
1931
1932         /* Restore LED settings */
1933         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
1934
1935         return 0;
1936 }
1937
1938 static int ixgbe_get_coalesce(struct net_device *netdev,
1939                               struct ethtool_coalesce *ec)
1940 {
1941         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1942
1943         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0]->work_limit;
1944
1945         /* only valid if in constant ITR mode */
1946         switch (adapter->rx_itr_setting) {
1947         case 0:
1948                 /* throttling disabled */
1949                 ec->rx_coalesce_usecs = 0;
1950                 break;
1951         case 1:
1952                 /* dynamic ITR mode */
1953                 ec->rx_coalesce_usecs = 1;
1954                 break;
1955         default:
1956                 /* fixed interrupt rate mode */
1957                 ec->rx_coalesce_usecs = 1000000/adapter->rx_eitr_param;
1958                 break;
1959         }
1960
1961         /* if in mixed tx/rx queues per vector mode, report only rx settings */
1962         if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count)
1963                 return 0;
1964
1965         /* only valid if in constant ITR mode */
1966         switch (adapter->tx_itr_setting) {
1967         case 0:
1968                 /* throttling disabled */
1969                 ec->tx_coalesce_usecs = 0;
1970                 break;
1971         case 1:
1972                 /* dynamic ITR mode */
1973                 ec->tx_coalesce_usecs = 1;
1974                 break;
1975         default:
1976                 ec->tx_coalesce_usecs = 1000000/adapter->tx_eitr_param;
1977                 break;
1978         }
1979
1980         return 0;
1981 }
1982
1983 static int ixgbe_set_coalesce(struct net_device *netdev,
1984                               struct ethtool_coalesce *ec)
1985 {
1986         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1987         struct ixgbe_q_vector *q_vector;
1988         int i;
1989         bool need_reset = false;
1990
1991         /* don't accept tx specific changes if we've got mixed RxTx vectors */
1992         if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count
1993            && ec->tx_coalesce_usecs)
1994                 return -EINVAL;
1995
1996         if (ec->tx_max_coalesced_frames_irq)
1997                 adapter->tx_ring[0]->work_limit = ec->tx_max_coalesced_frames_irq;
1998
1999         if (ec->rx_coalesce_usecs > 1) {
2000                 u32 max_int;
2001                 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
2002                         max_int = IXGBE_MAX_RSC_INT_RATE;
2003                 else
2004                         max_int = IXGBE_MAX_INT_RATE;
2005
2006                 /* check the limits */
2007                 if ((1000000/ec->rx_coalesce_usecs > max_int) ||
2008                     (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
2009                         return -EINVAL;
2010
2011                 /* store the value in ints/second */
2012                 adapter->rx_eitr_param = 1000000/ec->rx_coalesce_usecs;
2013
2014                 /* static value of interrupt rate */
2015                 adapter->rx_itr_setting = adapter->rx_eitr_param;
2016                 /* clear the lower bit as its used for dynamic state */
2017                 adapter->rx_itr_setting &= ~1;
2018         } else if (ec->rx_coalesce_usecs == 1) {
2019                 /* 1 means dynamic mode */
2020                 adapter->rx_eitr_param = 20000;
2021                 adapter->rx_itr_setting = 1;
2022         } else {
2023                 /*
2024                  * any other value means disable eitr, which is best
2025                  * served by setting the interrupt rate very high
2026                  */
2027                 adapter->rx_eitr_param = IXGBE_MAX_INT_RATE;
2028                 adapter->rx_itr_setting = 0;
2029
2030                 /*
2031                  * if hardware RSC is enabled, disable it when
2032                  * setting low latency mode, to avoid errata, assuming
2033                  * that when the user set low latency mode they want
2034                  * it at the cost of anything else
2035                  */
2036                 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2037                         adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2038                         if (netdev->features & NETIF_F_LRO) {
2039                                 netdev->features &= ~NETIF_F_LRO;
2040                                 e_info(probe, "rx-usecs set to 0, "
2041                                        "disabling RSC\n");
2042                         }
2043                         need_reset = true;
2044                 }
2045         }
2046
2047         if (ec->tx_coalesce_usecs > 1) {
2048                 /*
2049                  * don't have to worry about max_int as above because
2050                  * tx vectors don't do hardware RSC (an rx function)
2051                  */
2052                 /* check the limits */
2053                 if ((1000000/ec->tx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
2054                     (1000000/ec->tx_coalesce_usecs < IXGBE_MIN_INT_RATE))
2055                         return -EINVAL;
2056
2057                 /* store the value in ints/second */
2058                 adapter->tx_eitr_param = 1000000/ec->tx_coalesce_usecs;
2059
2060                 /* static value of interrupt rate */
2061                 adapter->tx_itr_setting = adapter->tx_eitr_param;
2062
2063                 /* clear the lower bit as its used for dynamic state */
2064                 adapter->tx_itr_setting &= ~1;
2065         } else if (ec->tx_coalesce_usecs == 1) {
2066                 /* 1 means dynamic mode */
2067                 adapter->tx_eitr_param = 10000;
2068                 adapter->tx_itr_setting = 1;
2069         } else {
2070                 adapter->tx_eitr_param = IXGBE_MAX_INT_RATE;
2071                 adapter->tx_itr_setting = 0;
2072         }
2073
2074         /* MSI/MSIx Interrupt Mode */
2075         if (adapter->flags &
2076             (IXGBE_FLAG_MSIX_ENABLED | IXGBE_FLAG_MSI_ENABLED)) {
2077                 int num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
2078                 for (i = 0; i < num_vectors; i++) {
2079                         q_vector = adapter->q_vector[i];
2080                         if (q_vector->txr_count && !q_vector->rxr_count)
2081                                 /* tx only */
2082                                 q_vector->eitr = adapter->tx_eitr_param;
2083                         else
2084                                 /* rx only or mixed */
2085                                 q_vector->eitr = adapter->rx_eitr_param;
2086                         ixgbe_write_eitr(q_vector);
2087                 }
2088         /* Legacy Interrupt Mode */
2089         } else {
2090                 q_vector = adapter->q_vector[0];
2091                 q_vector->eitr = adapter->rx_eitr_param;
2092                 ixgbe_write_eitr(q_vector);
2093         }
2094
2095         /*
2096          * do reset here at the end to make sure EITR==0 case is handled
2097          * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2098          * also locks in RSC enable/disable which requires reset
2099          */
2100         if (need_reset) {
2101                 if (netif_running(netdev))
2102                         ixgbe_reinit_locked(adapter);
2103                 else
2104                         ixgbe_reset(adapter);
2105         }
2106
2107         return 0;
2108 }
2109
2110 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
2111 {
2112         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2113         bool need_reset = false;
2114         int rc;
2115
2116         rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_LRO | ETH_FLAG_NTUPLE);
2117         if (rc)
2118                 return rc;
2119
2120         /* if state changes we need to update adapter->flags and reset */
2121         if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) {
2122                 /*
2123                  * cast both to bool and verify if they are set the same
2124                  * but only enable RSC if itr is non-zero, as
2125                  * itr=0 and RSC are mutually exclusive
2126                  */
2127                 if (((!!(data & ETH_FLAG_LRO)) !=
2128                      (!!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) &&
2129                     adapter->rx_itr_setting) {
2130                         adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED;
2131                         switch (adapter->hw.mac.type) {
2132                         case ixgbe_mac_82599EB:
2133                                 need_reset = true;
2134                                 break;
2135                         default:
2136                                 break;
2137                         }
2138                 } else if (!adapter->rx_itr_setting) {
2139                         netdev->features &= ~NETIF_F_LRO;
2140                         if (data & ETH_FLAG_LRO)
2141                                 e_info(probe, "rx-usecs set to 0, "
2142                                        "LRO/RSC cannot be enabled.\n");
2143                 }
2144         }
2145
2146         /*
2147          * Check if Flow Director n-tuple support was enabled or disabled.  If
2148          * the state changed, we need to reset.
2149          */
2150         if ((adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) &&
2151             (!(data & ETH_FLAG_NTUPLE))) {
2152                 /* turn off Flow Director perfect, set hash and reset */
2153                 adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2154                 adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
2155                 need_reset = true;
2156         } else if ((!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) &&
2157                    (data & ETH_FLAG_NTUPLE)) {
2158                 /* turn off Flow Director hash, enable perfect and reset */
2159                 adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
2160                 adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2161                 need_reset = true;
2162         } else {
2163                 /* no state change */
2164         }
2165
2166         if (need_reset) {
2167                 if (netif_running(netdev))
2168                         ixgbe_reinit_locked(adapter);
2169                 else
2170                         ixgbe_reset(adapter);
2171         }
2172
2173         return 0;
2174 }
2175
2176 static int ixgbe_set_rx_ntuple(struct net_device *dev,
2177                                struct ethtool_rx_ntuple *cmd)
2178 {
2179         struct ixgbe_adapter *adapter = netdev_priv(dev);
2180         struct ethtool_rx_ntuple_flow_spec fs = cmd->fs;
2181         struct ixgbe_atr_input input_struct;
2182         struct ixgbe_atr_input_masks input_masks;
2183         int target_queue;
2184
2185         if (adapter->hw.mac.type == ixgbe_mac_82598EB)
2186                 return -EOPNOTSUPP;
2187
2188         /*
2189          * Don't allow programming if the action is a queue greater than
2190          * the number of online Tx queues.
2191          */
2192         if ((fs.action >= adapter->num_tx_queues) ||
2193             (fs.action < ETHTOOL_RXNTUPLE_ACTION_DROP))
2194                 return -EINVAL;
2195
2196         memset(&input_struct, 0, sizeof(struct ixgbe_atr_input));
2197         memset(&input_masks, 0, sizeof(struct ixgbe_atr_input_masks));
2198
2199         input_masks.src_ip_mask = fs.m_u.tcp_ip4_spec.ip4src;
2200         input_masks.dst_ip_mask = fs.m_u.tcp_ip4_spec.ip4dst;
2201         input_masks.src_port_mask = fs.m_u.tcp_ip4_spec.psrc;
2202         input_masks.dst_port_mask = fs.m_u.tcp_ip4_spec.pdst;
2203         input_masks.vlan_id_mask = fs.vlan_tag_mask;
2204         /* only use the lowest 2 bytes for flex bytes */
2205         input_masks.data_mask = (fs.data_mask & 0xffff);
2206
2207         switch (fs.flow_type) {
2208         case TCP_V4_FLOW:
2209                 ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_TCP);
2210                 break;
2211         case UDP_V4_FLOW:
2212                 ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_UDP);
2213                 break;
2214         case SCTP_V4_FLOW:
2215                 ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_SCTP);
2216                 break;
2217         default:
2218                 return -1;
2219         }
2220
2221         /* Mask bits from the inputs based on user-supplied mask */
2222         ixgbe_atr_set_src_ipv4_82599(&input_struct,
2223                     (fs.h_u.tcp_ip4_spec.ip4src & ~fs.m_u.tcp_ip4_spec.ip4src));
2224         ixgbe_atr_set_dst_ipv4_82599(&input_struct,
2225                     (fs.h_u.tcp_ip4_spec.ip4dst & ~fs.m_u.tcp_ip4_spec.ip4dst));
2226         /* 82599 expects these to be byte-swapped for perfect filtering */
2227         ixgbe_atr_set_src_port_82599(&input_struct,
2228                ((ntohs(fs.h_u.tcp_ip4_spec.psrc)) & ~fs.m_u.tcp_ip4_spec.psrc));
2229         ixgbe_atr_set_dst_port_82599(&input_struct,
2230                ((ntohs(fs.h_u.tcp_ip4_spec.pdst)) & ~fs.m_u.tcp_ip4_spec.pdst));
2231
2232         /* VLAN and Flex bytes are either completely masked or not */
2233         if (!fs.vlan_tag_mask)
2234                 ixgbe_atr_set_vlan_id_82599(&input_struct, fs.vlan_tag);
2235
2236         if (!input_masks.data_mask)
2237                 /* make sure we only use the first 2 bytes of user data */
2238                 ixgbe_atr_set_flex_byte_82599(&input_struct,
2239                                               (fs.data & 0xffff));
2240
2241         /* determine if we need to drop or route the packet */
2242         if (fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP)
2243                 target_queue = MAX_RX_QUEUES - 1;
2244         else
2245                 target_queue = fs.action;
2246
2247         spin_lock(&adapter->fdir_perfect_lock);
2248         ixgbe_fdir_add_perfect_filter_82599(&adapter->hw, &input_struct,
2249                                             &input_masks, 0, target_queue);
2250         spin_unlock(&adapter->fdir_perfect_lock);
2251
2252         return 0;
2253 }
2254
2255 static const struct ethtool_ops ixgbe_ethtool_ops = {
2256         .get_settings           = ixgbe_get_settings,
2257         .set_settings           = ixgbe_set_settings,
2258         .get_drvinfo            = ixgbe_get_drvinfo,
2259         .get_regs_len           = ixgbe_get_regs_len,
2260         .get_regs               = ixgbe_get_regs,
2261         .get_wol                = ixgbe_get_wol,
2262         .set_wol                = ixgbe_set_wol,
2263         .nway_reset             = ixgbe_nway_reset,
2264         .get_link               = ethtool_op_get_link,
2265         .get_eeprom_len         = ixgbe_get_eeprom_len,
2266         .get_eeprom             = ixgbe_get_eeprom,
2267         .get_ringparam          = ixgbe_get_ringparam,
2268         .set_ringparam          = ixgbe_set_ringparam,
2269         .get_pauseparam         = ixgbe_get_pauseparam,
2270         .set_pauseparam         = ixgbe_set_pauseparam,
2271         .get_rx_csum            = ixgbe_get_rx_csum,
2272         .set_rx_csum            = ixgbe_set_rx_csum,
2273         .get_tx_csum            = ixgbe_get_tx_csum,
2274         .set_tx_csum            = ixgbe_set_tx_csum,
2275         .get_sg                 = ethtool_op_get_sg,
2276         .set_sg                 = ethtool_op_set_sg,
2277         .get_msglevel           = ixgbe_get_msglevel,
2278         .set_msglevel           = ixgbe_set_msglevel,
2279         .get_tso                = ethtool_op_get_tso,
2280         .set_tso                = ixgbe_set_tso,
2281         .self_test              = ixgbe_diag_test,
2282         .get_strings            = ixgbe_get_strings,
2283         .phys_id                = ixgbe_phys_id,
2284         .get_sset_count         = ixgbe_get_sset_count,
2285         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
2286         .get_coalesce           = ixgbe_get_coalesce,
2287         .set_coalesce           = ixgbe_set_coalesce,
2288         .get_flags              = ethtool_op_get_flags,
2289         .set_flags              = ixgbe_set_flags,
2290         .set_rx_ntuple          = ixgbe_set_rx_ntuple,
2291 };
2292
2293 void ixgbe_set_ethtool_ops(struct net_device *netdev)
2294 {
2295         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
2296 }