drivers/net/vmxnet3/vmxnet3_ethtool.c

   1 /*
   2  * Linux driver for VMware's vmxnet3 ethernet NIC.
   3  *
   4  * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; version 2 of the License and no later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  13  * NON INFRINGEMENT.  See the GNU General Public License for more
  14  * details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * The full GNU General Public License is included in this distribution in
  21  * the file called "COPYING".
  22  *
  23  * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
  24  *
  25  */
  26
  27
  28 #include "vmxnet3_int.h"
  29
  30 struct vmxnet3_stat_desc {
  31         char desc[ETH_GSTRING_LEN];
  32         int  offset;
  33 };
  34
  35
  36 static u32
  37 vmxnet3_get_rx_csum(struct net_device *netdev)
  38 {
  39         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
  40         return adapter->rxcsum;
  41 }
  42
  43
  44 static int
  45 vmxnet3_set_rx_csum(struct net_device *netdev, u32 val)
  46 {
  47         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
  48
  49         if (adapter->rxcsum != val) {
  50                 adapter->rxcsum = val;
  51                 if (netif_running(netdev)) {
  52                         if (val)
  53                                 adapter->shared->devRead.misc.uptFeatures |=
  54                                 UPT1_F_RXCSUM;
  55                         else
  56                                 adapter->shared->devRead.misc.uptFeatures &=
  57                                 ~UPT1_F_RXCSUM;
  58
  59                         VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
  60                                                VMXNET3_CMD_UPDATE_FEATURE);
  61                 }
  62         }
  63         return 0;
  64 }
  65
  66
  67 /* per tq stats maintained by the device */
  68 static const struct vmxnet3_stat_desc
  69 vmxnet3_tq_dev_stats[] = {
  70         /* description,         offset */
  71         { "TSO pkts tx",        offsetof(struct UPT1_TxStats, TSOPktsTxOK) },
  72         { "TSO bytes tx",       offsetof(struct UPT1_TxStats, TSOBytesTxOK) },
  73         { "ucast pkts tx",      offsetof(struct UPT1_TxStats, ucastPktsTxOK) },
  74         { "ucast bytes tx",     offsetof(struct UPT1_TxStats, ucastBytesTxOK) },
  75         { "mcast pkts tx",      offsetof(struct UPT1_TxStats, mcastPktsTxOK) },
  76         { "mcast bytes tx",     offsetof(struct UPT1_TxStats, mcastBytesTxOK) },
  77         { "bcast pkts tx",      offsetof(struct UPT1_TxStats, bcastPktsTxOK) },
  78         { "bcast bytes tx",     offsetof(struct UPT1_TxStats, bcastBytesTxOK) },
  79         { "pkts tx err",        offsetof(struct UPT1_TxStats, pktsTxError) },
  80         { "pkts tx discard",    offsetof(struct UPT1_TxStats, pktsTxDiscard) },
  81 };
  82
  83 /* per tq stats maintained by the driver */
  84 static const struct vmxnet3_stat_desc
  85 vmxnet3_tq_driver_stats[] = {
  86         /* description,         offset */
  87         {"drv dropped tx total", offsetof(struct vmxnet3_tq_driver_stats,
  88                                         drop_total) },
  89         { "   too many frags",  offsetof(struct vmxnet3_tq_driver_stats,
  90                                         drop_too_many_frags) },
  91         { "   giant hdr",       offsetof(struct vmxnet3_tq_driver_stats,
  92                                         drop_oversized_hdr) },
  93         { "   hdr err",         offsetof(struct vmxnet3_tq_driver_stats,
  94                                         drop_hdr_inspect_err) },
  95         { "   tso",             offsetof(struct vmxnet3_tq_driver_stats,
  96                                         drop_tso) },
  97         { "ring full",          offsetof(struct vmxnet3_tq_driver_stats,
  98                                         tx_ring_full) },
  99         { "pkts linearized",    offsetof(struct vmxnet3_tq_driver_stats,
 100                                         linearized) },
 101         { "hdr cloned",         offsetof(struct vmxnet3_tq_driver_stats,
 102                                         copy_skb_header) },
 103         { "giant hdr",          offsetof(struct vmxnet3_tq_driver_stats,
 104                                         oversized_hdr) },
 105 };
 106
 107 /* per rq stats maintained by the device */
 108 static const struct vmxnet3_stat_desc
 109 vmxnet3_rq_dev_stats[] = {
 110         { "LRO pkts rx",        offsetof(struct UPT1_RxStats, LROPktsRxOK) },
 111         { "LRO byte rx",        offsetof(struct UPT1_RxStats, LROBytesRxOK) },
 112         { "ucast pkts rx",      offsetof(struct UPT1_RxStats, ucastPktsRxOK) },
 113         { "ucast bytes rx",     offsetof(struct UPT1_RxStats, ucastBytesRxOK) },
 114         { "mcast pkts rx",      offsetof(struct UPT1_RxStats, mcastPktsRxOK) },
 115         { "mcast bytes rx",     offsetof(struct UPT1_RxStats, mcastBytesRxOK) },
 116         { "bcast pkts rx",      offsetof(struct UPT1_RxStats, bcastPktsRxOK) },
 117         { "bcast bytes rx",     offsetof(struct UPT1_RxStats, bcastBytesRxOK) },
 118         { "pkts rx out of buf", offsetof(struct UPT1_RxStats, pktsRxOutOfBuf) },
 119         { "pkts rx err",        offsetof(struct UPT1_RxStats, pktsRxError) },
 120 };
 121
 122 /* per rq stats maintained by the driver */
 123 static const struct vmxnet3_stat_desc
 124 vmxnet3_rq_driver_stats[] = {
 125         /* description,         offset */
 126         { "drv dropped rx total", offsetof(struct vmxnet3_rq_driver_stats,
 127                                            drop_total) },
 128         { "   err",            offsetof(struct vmxnet3_rq_driver_stats,
 129                                         drop_err) },
 130         { "   fcs",            offsetof(struct vmxnet3_rq_driver_stats,
 131                                         drop_fcs) },
 132         { "rx buf alloc fail", offsetof(struct vmxnet3_rq_driver_stats,
 133                                         rx_buf_alloc_failure) },
 134 };
 135
 136 /* gloabl stats maintained by the driver */
 137 static const struct vmxnet3_stat_desc
 138 vmxnet3_global_stats[] = {
 139         /* description,         offset */
 140         { "tx timeout count",   offsetof(struct vmxnet3_adapter,
 141                                          tx_timeout_count) }
 142 };
 143
 144
 145 struct net_device_stats *
 146 vmxnet3_get_stats(struct net_device *netdev)
 147 {
 148         struct vmxnet3_adapter *adapter;
 149         struct vmxnet3_tq_driver_stats *drvTxStats;
 150         struct vmxnet3_rq_driver_stats *drvRxStats;
 151         struct UPT1_TxStats *devTxStats;
 152         struct UPT1_RxStats *devRxStats;
 153         struct net_device_stats *net_stats = &netdev->stats;
 154
 155         adapter = netdev_priv(netdev);
 156
 157         /* Collect the dev stats into the shared area */
 158         VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
 159
 160         /* Assuming that we have a single queue device */
 161         devTxStats = &adapter->tqd_start->stats;
 162         devRxStats = &adapter->rqd_start->stats;
 163
 164         /* Get access to the driver stats per queue */
 165         drvTxStats = &adapter->tx_queue.stats;
 166         drvRxStats = &adapter->rx_queue.stats;
 167
 168         memset(net_stats, 0, sizeof(*net_stats));
 169
 170         net_stats->rx_packets = devRxStats->ucastPktsRxOK +
 171                                 devRxStats->mcastPktsRxOK +
 172                                 devRxStats->bcastPktsRxOK;
 173
 174         net_stats->tx_packets = devTxStats->ucastPktsTxOK +
 175                                 devTxStats->mcastPktsTxOK +
 176                                 devTxStats->bcastPktsTxOK;
 177
 178         net_stats->rx_bytes = devRxStats->ucastBytesRxOK +
 179                               devRxStats->mcastBytesRxOK +
 180                               devRxStats->bcastBytesRxOK;
 181
 182         net_stats->tx_bytes = devTxStats->ucastBytesTxOK +
 183                               devTxStats->mcastBytesTxOK +
 184                               devTxStats->bcastBytesTxOK;
 185
 186         net_stats->rx_errors = devRxStats->pktsRxError;
 187         net_stats->tx_errors = devTxStats->pktsTxError;
 188         net_stats->rx_dropped = drvRxStats->drop_total;
 189         net_stats->tx_dropped = drvTxStats->drop_total;
 190         net_stats->multicast =  devRxStats->mcastPktsRxOK;
 191
 192         return net_stats;
 193 }
 194
 195 static int
 196 vmxnet3_get_sset_count(struct net_device *netdev, int sset)
 197 {
 198         switch (sset) {
 199         case ETH_SS_STATS:
 200                 return ARRAY_SIZE(vmxnet3_tq_dev_stats) +
 201                         ARRAY_SIZE(vmxnet3_tq_driver_stats) +
 202                         ARRAY_SIZE(vmxnet3_rq_dev_stats) +
 203                         ARRAY_SIZE(vmxnet3_rq_driver_stats) +
 204                         ARRAY_SIZE(vmxnet3_global_stats);
 205         default:
 206                 return -EOPNOTSUPP;
 207         }
 208 }
 209
 210
 211 static int
 212 vmxnet3_get_regs_len(struct net_device *netdev)
 213 {
 214         return 20 * sizeof(u32);
 215 }
 216
 217
 218 static void
 219 vmxnet3_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 220 {
 221         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 222
 223         strlcpy(drvinfo->driver, vmxnet3_driver_name, sizeof(drvinfo->driver));
 224         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 225
 226         strlcpy(drvinfo->version, VMXNET3_DRIVER_VERSION_REPORT,
 227                 sizeof(drvinfo->version));
 228         drvinfo->driver[sizeof(drvinfo->version) - 1] = '\0';
 229
 230         strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
 231         drvinfo->fw_version[sizeof(drvinfo->fw_version) - 1] = '\0';
 232
 233         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 234                 ETHTOOL_BUSINFO_LEN);
 235         drvinfo->n_stats = vmxnet3_get_sset_count(netdev, ETH_SS_STATS);
 236         drvinfo->testinfo_len = 0;
 237         drvinfo->eedump_len   = 0;
 238         drvinfo->regdump_len  = vmxnet3_get_regs_len(netdev);
 239 }
 240
 241
 242 static void
 243 vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
 244 {
 245         if (stringset == ETH_SS_STATS) {
 246                 int i;
 247
 248                 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) {
 249                         memcpy(buf, vmxnet3_tq_dev_stats[i].desc,
 250                                ETH_GSTRING_LEN);
 251                         buf += ETH_GSTRING_LEN;
 252                 }
 253                 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++) {
 254                         memcpy(buf, vmxnet3_tq_driver_stats[i].desc,
 255                                ETH_GSTRING_LEN);
 256                         buf += ETH_GSTRING_LEN;
 257                 }
 258                 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) {
 259                         memcpy(buf, vmxnet3_rq_dev_stats[i].desc,
 260                                ETH_GSTRING_LEN);
 261                         buf += ETH_GSTRING_LEN;
 262                 }
 263                 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++) {
 264                         memcpy(buf, vmxnet3_rq_driver_stats[i].desc,
 265                                ETH_GSTRING_LEN);
 266                         buf += ETH_GSTRING_LEN;
 267                 }
 268                 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) {
 269                         memcpy(buf, vmxnet3_global_stats[i].desc,
 270                                 ETH_GSTRING_LEN);
 271                         buf += ETH_GSTRING_LEN;
 272                 }
 273         }
 274 }
 275
 276 static int
 277 vmxnet3_set_flags(struct net_device *netdev, u32 data)
 278 {
 279         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 280         u8 lro_requested = (data & ETH_FLAG_LRO) == 0 ? 0 : 1;
 281         u8 lro_present = (netdev->features & NETIF_F_LRO) == 0 ? 0 : 1;
 282
 283         if (data & ~ETH_FLAG_LRO)
 284                 return -EOPNOTSUPP;
 285
 286         if (lro_requested ^ lro_present) {
 287                 /* toggle the LRO feature*/
 288                 netdev->features ^= NETIF_F_LRO;
 289
 290                 /* update harware LRO capability accordingly */
 291                 if (lro_requested)
 292                         adapter->shared->devRead.misc.uptFeatures |=
 293                                                         UPT1_F_LRO;
 294                 else
 295                         adapter->shared->devRead.misc.uptFeatures &=
 296                                                         ~UPT1_F_LRO;
 297                 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
 298                                        VMXNET3_CMD_UPDATE_FEATURE);
 299         }
 300         return 0;
 301 }
 302
 303 static void
 304 vmxnet3_get_ethtool_stats(struct net_device *netdev,
 305                           struct ethtool_stats *stats, u64  *buf)
 306 {
 307         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 308         u8 *base;
 309         int i;
 310
 311         VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
 312
 313         /* this does assume each counter is 64-bit wide */
 314
 315         base = (u8 *)&adapter->tqd_start->stats;
 316         for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++)
 317                 *buf++ = *(u64 *)(base + vmxnet3_tq_dev_stats[i].offset);
 318
 319         base = (u8 *)&adapter->tx_queue.stats;
 320         for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++)
 321                 *buf++ = *(u64 *)(base + vmxnet3_tq_driver_stats[i].offset);
 322
 323         base = (u8 *)&adapter->rqd_start->stats;
 324         for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++)
 325                 *buf++ = *(u64 *)(base + vmxnet3_rq_dev_stats[i].offset);
 326
 327         base = (u8 *)&adapter->rx_queue.stats;
 328         for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++)
 329                 *buf++ = *(u64 *)(base + vmxnet3_rq_driver_stats[i].offset);
 330
 331         base = (u8 *)adapter;
 332         for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++)
 333                 *buf++ = *(u64 *)(base + vmxnet3_global_stats[i].offset);
 334 }
 335
 336
 337 static void
 338 vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
 339 {
 340         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 341         u32 *buf = p;
 342
 343         memset(p, 0, vmxnet3_get_regs_len(netdev));
 344
 345         regs->version = 1;
 346
 347         /* Update vmxnet3_get_regs_len if we want to dump more registers */
 348
 349         /* make each ring use multiple of 16 bytes */
 350         buf[0] = adapter->tx_queue.tx_ring.next2fill;
 351         buf[1] = adapter->tx_queue.tx_ring.next2comp;
 352         buf[2] = adapter->tx_queue.tx_ring.gen;
 353         buf[3] = 0;
 354
 355         buf[4] = adapter->tx_queue.comp_ring.next2proc;
 356         buf[5] = adapter->tx_queue.comp_ring.gen;
 357         buf[6] = adapter->tx_queue.stopped;
 358         buf[7] = 0;
 359
 360         buf[8] = adapter->rx_queue.rx_ring[0].next2fill;
 361         buf[9] = adapter->rx_queue.rx_ring[0].next2comp;
 362         buf[10] = adapter->rx_queue.rx_ring[0].gen;
 363         buf[11] = 0;
 364
 365         buf[12] = adapter->rx_queue.rx_ring[1].next2fill;
 366         buf[13] = adapter->rx_queue.rx_ring[1].next2comp;
 367         buf[14] = adapter->rx_queue.rx_ring[1].gen;
 368         buf[15] = 0;
 369
 370         buf[16] = adapter->rx_queue.comp_ring.next2proc;
 371         buf[17] = adapter->rx_queue.comp_ring.gen;
 372         buf[18] = 0;
 373         buf[19] = 0;
 374 }
 375
 376
 377 static void
 378 vmxnet3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 379 {
 380         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 381
 382         wol->supported = WAKE_UCAST | WAKE_ARP | WAKE_MAGIC;
 383         wol->wolopts = adapter->wol;
 384 }
 385
 386
 387 static int
 388 vmxnet3_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 389 {
 390         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 391
 392         if (wol->wolopts & (WAKE_PHY | WAKE_MCAST | WAKE_BCAST |
 393                             WAKE_MAGICSECURE)) {
 394                 return -EOPNOTSUPP;
 395         }
 396
 397         adapter->wol = wol->wolopts;
 398
 399         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
 400
 401         return 0;
 402 }
 403
 404
 405 static int
 406 vmxnet3_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 407 {
 408         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 409
 410         ecmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full |
 411                           SUPPORTED_TP;
 412         ecmd->advertising = ADVERTISED_TP;
 413         ecmd->port = PORT_TP;
 414         ecmd->transceiver = XCVR_INTERNAL;
 415
 416         if (adapter->link_speed) {
 417                 ecmd->speed = adapter->link_speed;
 418                 ecmd->duplex = DUPLEX_FULL;
 419         } else {
 420                 ecmd->speed = -1;
 421                 ecmd->duplex = -1;
 422         }
 423         return 0;
 424 }
 425
 426
 427 static void
 428 vmxnet3_get_ringparam(struct net_device *netdev,
 429                       struct ethtool_ringparam *param)
 430 {
 431         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 432
 433         param->rx_max_pending = VMXNET3_RX_RING_MAX_SIZE;
 434         param->tx_max_pending = VMXNET3_TX_RING_MAX_SIZE;
 435         param->rx_mini_max_pending = 0;
 436         param->rx_jumbo_max_pending = 0;
 437
 438         param->rx_pending = adapter->rx_queue.rx_ring[0].size;
 439         param->tx_pending = adapter->tx_queue.tx_ring.size;
 440         param->rx_mini_pending = 0;
 441         param->rx_jumbo_pending = 0;
 442 }
 443
 444
 445 static int
 446 vmxnet3_set_ringparam(struct net_device *netdev,
 447                       struct ethtool_ringparam *param)
 448 {
 449         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 450         u32 new_tx_ring_size, new_rx_ring_size;
 451         u32 sz;
 452         int err = 0;
 453
 454         if (param->tx_pending == 0 || param->tx_pending >
 455                                                 VMXNET3_TX_RING_MAX_SIZE)
 456                 return -EINVAL;
 457
 458         if (param->rx_pending == 0 || param->rx_pending >
 459                                                 VMXNET3_RX_RING_MAX_SIZE)
 460                 return -EINVAL;
 461
 462
 463         /* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */
 464         new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) &
 465                                                         ~VMXNET3_RING_SIZE_MASK;
 466         new_tx_ring_size = min_t(u32, new_tx_ring_size,
 467                                  VMXNET3_TX_RING_MAX_SIZE);
 468         if (new_tx_ring_size > VMXNET3_TX_RING_MAX_SIZE || (new_tx_ring_size %
 469                                                 VMXNET3_RING_SIZE_ALIGN) != 0)
 470                 return -EINVAL;
 471
 472         /* ring0 has to be a multiple of
 473          * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN
 474          */
 475         sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN;
 476         new_rx_ring_size = (param->rx_pending + sz - 1) / sz * sz;
 477         new_rx_ring_size = min_t(u32, new_rx_ring_size,
 478                                  VMXNET3_RX_RING_MAX_SIZE / sz * sz);
 479         if (new_rx_ring_size > VMXNET3_RX_RING_MAX_SIZE || (new_rx_ring_size %
 480                                                            sz) != 0)
 481                 return -EINVAL;
 482
 483         if (new_tx_ring_size == adapter->tx_queue.tx_ring.size &&
 484                         new_rx_ring_size == adapter->rx_queue.rx_ring[0].size) {
 485                 return 0;
 486         }
 487
 488         /*
 489          * Reset_work may be in the middle of resetting the device, wait for its
 490          * completion.
 491          */
 492         while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
 493                 msleep(1);
 494
 495         if (netif_running(netdev)) {
 496                 vmxnet3_quiesce_dev(adapter);
 497                 vmxnet3_reset_dev(adapter);
 498
 499                 /* recreate the rx queue and the tx queue based on the
 500                  * new sizes */
 501                 vmxnet3_tq_destroy(&adapter->tx_queue, adapter);
 502                 vmxnet3_rq_destroy(&adapter->rx_queue, adapter);
 503
 504                 err = vmxnet3_create_queues(adapter, new_tx_ring_size,
 505                         new_rx_ring_size, VMXNET3_DEF_RX_RING_SIZE);
 506                 if (err) {
 507                         /* failed, most likely because of OOM, try default
 508                          * size */
 509                         printk(KERN_ERR "%s: failed to apply new sizes, try the"
 510                                 " default ones\n", netdev->name);
 511                         err = vmxnet3_create_queues(adapter,
 512                                                     VMXNET3_DEF_TX_RING_SIZE,
 513                                                     VMXNET3_DEF_RX_RING_SIZE,
 514                                                     VMXNET3_DEF_RX_RING_SIZE);
 515                         if (err) {
 516                                 printk(KERN_ERR "%s: failed to create queues "
 517                                         "with default sizes. Closing it\n",
 518                                         netdev->name);
 519                                 goto out;
 520                         }
 521                 }
 522
 523                 err = vmxnet3_activate_dev(adapter);
 524                 if (err)
 525                         printk(KERN_ERR "%s: failed to re-activate, error %d."
 526                                 " Closing it\n", netdev->name, err);
 527         }
 528
 529 out:
 530         clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
 531         if (err)
 532                 vmxnet3_force_close(adapter);
 533
 534         return err;
 535 }
 536
 537
 538 static struct ethtool_ops vmxnet3_ethtool_ops = {
 539         .get_settings      = vmxnet3_get_settings,
 540         .get_drvinfo       = vmxnet3_get_drvinfo,
 541         .get_regs_len      = vmxnet3_get_regs_len,
 542         .get_regs          = vmxnet3_get_regs,
 543         .get_wol           = vmxnet3_get_wol,
 544         .set_wol           = vmxnet3_set_wol,
 545         .get_link          = ethtool_op_get_link,
 546         .get_rx_csum       = vmxnet3_get_rx_csum,
 547         .set_rx_csum       = vmxnet3_set_rx_csum,
 548         .get_tx_csum       = ethtool_op_get_tx_csum,
 549         .set_tx_csum       = ethtool_op_set_tx_hw_csum,
 550         .get_sg            = ethtool_op_get_sg,
 551         .set_sg            = ethtool_op_set_sg,
 552         .get_tso           = ethtool_op_get_tso,
 553         .set_tso           = ethtool_op_set_tso,
 554         .get_strings       = vmxnet3_get_strings,
 555         .get_flags         = ethtool_op_get_flags,
 556         .set_flags         = vmxnet3_set_flags,
 557         .get_sset_count    = vmxnet3_get_sset_count,
 558         .get_ethtool_stats = vmxnet3_get_ethtool_stats,
 559         .get_ringparam     = vmxnet3_get_ringparam,
 560         .set_ringparam     = vmxnet3_set_ringparam,
 561 };
 562
 563 void vmxnet3_set_ethtool_ops(struct net_device *netdev)
 564 {
 565         SET_ETHTOOL_OPS(netdev, &vmxnet3_ethtool_ops);
 566 }