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         int i;
 155
 156         adapter = netdev_priv(netdev);
 157
 158         /* Collect the dev stats into the shared area */
 159         VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
 160
 161         memset(net_stats, 0, sizeof(*net_stats));
 162         for (i = 0; i < adapter->num_tx_queues; i++) {
 163                 devTxStats = &adapter->tqd_start[i].stats;
 164                 drvTxStats = &adapter->tx_queue[i].stats;
 165                 net_stats->tx_packets += devTxStats->ucastPktsTxOK +
 166                                         devTxStats->mcastPktsTxOK +
 167                                         devTxStats->bcastPktsTxOK;
 168                 net_stats->tx_bytes += devTxStats->ucastBytesTxOK +
 169                                       devTxStats->mcastBytesTxOK +
 170                                       devTxStats->bcastBytesTxOK;
 171                 net_stats->tx_errors += devTxStats->pktsTxError;
 172                 net_stats->tx_dropped += drvTxStats->drop_total;
 173         }
 174
 175         for (i = 0; i < adapter->num_rx_queues; i++) {
 176                 devRxStats = &adapter->rqd_start[i].stats;
 177                 drvRxStats = &adapter->rx_queue[i].stats;
 178                 net_stats->rx_packets += devRxStats->ucastPktsRxOK +
 179                                         devRxStats->mcastPktsRxOK +
 180                                         devRxStats->bcastPktsRxOK;
 181
 182                 net_stats->rx_bytes += devRxStats->ucastBytesRxOK +
 183                                       devRxStats->mcastBytesRxOK +
 184                                       devRxStats->bcastBytesRxOK;
 185
 186                 net_stats->rx_errors += devRxStats->pktsRxError;
 187                 net_stats->rx_dropped += drvRxStats->drop_total;
 188                 net_stats->multicast +=  devRxStats->mcastPktsRxOK;
 189         }
 190         return net_stats;
 191 }
 192
 193 static int
 194 vmxnet3_get_sset_count(struct net_device *netdev, int sset)
 195 {
 196         switch (sset) {
 197         case ETH_SS_STATS:
 198                 return ARRAY_SIZE(vmxnet3_tq_dev_stats) +
 199                         ARRAY_SIZE(vmxnet3_tq_driver_stats) +
 200                         ARRAY_SIZE(vmxnet3_rq_dev_stats) +
 201                         ARRAY_SIZE(vmxnet3_rq_driver_stats) +
 202                         ARRAY_SIZE(vmxnet3_global_stats);
 203         default:
 204                 return -EOPNOTSUPP;
 205         }
 206 }
 207
 208
 209 static int
 210 vmxnet3_get_regs_len(struct net_device *netdev)
 211 {
 212         return 20 * sizeof(u32);
 213 }
 214
 215
 216 static void
 217 vmxnet3_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 218 {
 219         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 220
 221         strlcpy(drvinfo->driver, vmxnet3_driver_name, sizeof(drvinfo->driver));
 222         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 223
 224         strlcpy(drvinfo->version, VMXNET3_DRIVER_VERSION_REPORT,
 225                 sizeof(drvinfo->version));
 226         drvinfo->driver[sizeof(drvinfo->version) - 1] = '\0';
 227
 228         strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
 229         drvinfo->fw_version[sizeof(drvinfo->fw_version) - 1] = '\0';
 230
 231         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 232                 ETHTOOL_BUSINFO_LEN);
 233         drvinfo->n_stats = vmxnet3_get_sset_count(netdev, ETH_SS_STATS);
 234         drvinfo->testinfo_len = 0;
 235         drvinfo->eedump_len   = 0;
 236         drvinfo->regdump_len  = vmxnet3_get_regs_len(netdev);
 237 }
 238
 239
 240 static void
 241 vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
 242 {
 243         if (stringset == ETH_SS_STATS) {
 244                 int i;
 245
 246                 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) {
 247                         memcpy(buf, vmxnet3_tq_dev_stats[i].desc,
 248                                ETH_GSTRING_LEN);
 249                         buf += ETH_GSTRING_LEN;
 250                 }
 251                 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++) {
 252                         memcpy(buf, vmxnet3_tq_driver_stats[i].desc,
 253                                ETH_GSTRING_LEN);
 254                         buf += ETH_GSTRING_LEN;
 255                 }
 256                 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) {
 257                         memcpy(buf, vmxnet3_rq_dev_stats[i].desc,
 258                                ETH_GSTRING_LEN);
 259                         buf += ETH_GSTRING_LEN;
 260                 }
 261                 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++) {
 262                         memcpy(buf, vmxnet3_rq_driver_stats[i].desc,
 263                                ETH_GSTRING_LEN);
 264                         buf += ETH_GSTRING_LEN;
 265                 }
 266                 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) {
 267                         memcpy(buf, vmxnet3_global_stats[i].desc,
 268                                 ETH_GSTRING_LEN);
 269                         buf += ETH_GSTRING_LEN;
 270                 }
 271         }
 272 }
 273
 274 static int
 275 vmxnet3_set_flags(struct net_device *netdev, u32 data)
 276 {
 277         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 278         u8 lro_requested = (data & ETH_FLAG_LRO) == 0 ? 0 : 1;
 279         u8 lro_present = (netdev->features & NETIF_F_LRO) == 0 ? 0 : 1;
 280
 281         if (data & ~ETH_FLAG_LRO)
 282                 return -EOPNOTSUPP;
 283
 284         if (lro_requested ^ lro_present) {
 285                 /* toggle the LRO feature*/
 286                 netdev->features ^= NETIF_F_LRO;
 287
 288                 /* update harware LRO capability accordingly */
 289                 if (lro_requested)
 290                         adapter->shared->devRead.misc.uptFeatures |=
 291                                                         UPT1_F_LRO;
 292                 else
 293                         adapter->shared->devRead.misc.uptFeatures &=
 294                                                         ~UPT1_F_LRO;
 295                 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
 296                                        VMXNET3_CMD_UPDATE_FEATURE);
 297         }
 298         return 0;
 299 }
 300
 301 static void
 302 vmxnet3_get_ethtool_stats(struct net_device *netdev,
 303                           struct ethtool_stats *stats, u64  *buf)
 304 {
 305         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 306         u8 *base;
 307         int i;
 308         int j = 0;
 309
 310         VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
 311
 312         /* this does assume each counter is 64-bit wide */
 313 /* TODO change this for multiple queues */
 314
 315         base = (u8 *)&adapter->tqd_start[j].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[j].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[j].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[j].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         int i = 0;
 343
 344         memset(p, 0, vmxnet3_get_regs_len(netdev));
 345
 346         regs->version = 1;
 347
 348         /* Update vmxnet3_get_regs_len if we want to dump more registers */
 349
 350         /* make each ring use multiple of 16 bytes */
 351 /* TODO change this for multiple queues */
 352         buf[0] = adapter->tx_queue[i].tx_ring.next2fill;
 353         buf[1] = adapter->tx_queue[i].tx_ring.next2comp;
 354         buf[2] = adapter->tx_queue[i].tx_ring.gen;
 355         buf[3] = 0;
 356
 357         buf[4] = adapter->tx_queue[i].comp_ring.next2proc;
 358         buf[5] = adapter->tx_queue[i].comp_ring.gen;
 359         buf[6] = adapter->tx_queue[i].stopped;
 360         buf[7] = 0;
 361
 362         buf[8] = adapter->rx_queue[i].rx_ring[0].next2fill;
 363         buf[9] = adapter->rx_queue[i].rx_ring[0].next2comp;
 364         buf[10] = adapter->rx_queue[i].rx_ring[0].gen;
 365         buf[11] = 0;
 366
 367         buf[12] = adapter->rx_queue[i].rx_ring[1].next2fill;
 368         buf[13] = adapter->rx_queue[i].rx_ring[1].next2comp;
 369         buf[14] = adapter->rx_queue[i].rx_ring[1].gen;
 370         buf[15] = 0;
 371
 372         buf[16] = adapter->rx_queue[i].comp_ring.next2proc;
 373         buf[17] = adapter->rx_queue[i].comp_ring.gen;
 374         buf[18] = 0;
 375         buf[19] = 0;
 376 }
 377
 378
 379 static void
 380 vmxnet3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 381 {
 382         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 383
 384         wol->supported = WAKE_UCAST | WAKE_ARP | WAKE_MAGIC;
 385         wol->wolopts = adapter->wol;
 386 }
 387
 388
 389 static int
 390 vmxnet3_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 391 {
 392         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 393
 394         if (wol->wolopts & (WAKE_PHY | WAKE_MCAST | WAKE_BCAST |
 395                             WAKE_MAGICSECURE)) {
 396                 return -EOPNOTSUPP;
 397         }
 398
 399         adapter->wol = wol->wolopts;
 400
 401         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
 402
 403         return 0;
 404 }
 405
 406
 407 static int
 408 vmxnet3_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 409 {
 410         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 411
 412         ecmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full |
 413                           SUPPORTED_TP;
 414         ecmd->advertising = ADVERTISED_TP;
 415         ecmd->port = PORT_TP;
 416         ecmd->transceiver = XCVR_INTERNAL;
 417
 418         if (adapter->link_speed) {
 419                 ecmd->speed = adapter->link_speed;
 420                 ecmd->duplex = DUPLEX_FULL;
 421         } else {
 422                 ecmd->speed = -1;
 423                 ecmd->duplex = -1;
 424         }
 425         return 0;
 426 }
 427
 428
 429 static void
 430 vmxnet3_get_ringparam(struct net_device *netdev,
 431                       struct ethtool_ringparam *param)
 432 {
 433         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 434
 435         param->rx_max_pending = VMXNET3_RX_RING_MAX_SIZE;
 436         param->tx_max_pending = VMXNET3_TX_RING_MAX_SIZE;
 437         param->rx_mini_max_pending = 0;
 438         param->rx_jumbo_max_pending = 0;
 439
 440         param->rx_pending = adapter->rx_queue[0].rx_ring[0].size *
 441                             adapter->num_rx_queues;
 442         param->tx_pending = adapter->tx_queue[0].tx_ring.size *
 443                             adapter->num_tx_queues;
 444         param->rx_mini_pending = 0;
 445         param->rx_jumbo_pending = 0;
 446 }
 447
 448
 449 static int
 450 vmxnet3_set_ringparam(struct net_device *netdev,
 451                       struct ethtool_ringparam *param)
 452 {
 453         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 454         u32 new_tx_ring_size, new_rx_ring_size;
 455         u32 sz;
 456         int err = 0;
 457
 458         if (param->tx_pending == 0 || param->tx_pending >
 459                                                 VMXNET3_TX_RING_MAX_SIZE)
 460                 return -EINVAL;
 461
 462         if (param->rx_pending == 0 || param->rx_pending >
 463                                                 VMXNET3_RX_RING_MAX_SIZE)
 464                 return -EINVAL;
 465
 466
 467         /* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */
 468         new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) &
 469                                                         ~VMXNET3_RING_SIZE_MASK;
 470         new_tx_ring_size = min_t(u32, new_tx_ring_size,
 471                                  VMXNET3_TX_RING_MAX_SIZE);
 472         if (new_tx_ring_size > VMXNET3_TX_RING_MAX_SIZE || (new_tx_ring_size %
 473                                                 VMXNET3_RING_SIZE_ALIGN) != 0)
 474                 return -EINVAL;
 475
 476         /* ring0 has to be a multiple of
 477          * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN
 478          */
 479         sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN;
 480         new_rx_ring_size = (param->rx_pending + sz - 1) / sz * sz;
 481         new_rx_ring_size = min_t(u32, new_rx_ring_size,
 482                                  VMXNET3_RX_RING_MAX_SIZE / sz * sz);
 483         if (new_rx_ring_size > VMXNET3_RX_RING_MAX_SIZE || (new_rx_ring_size %
 484                                                            sz) != 0)
 485                 return -EINVAL;
 486
 487         if (new_tx_ring_size == adapter->tx_queue[0].tx_ring.size &&
 488             new_rx_ring_size == adapter->rx_queue[0].rx_ring[0].size) {
 489                 return 0;
 490         }
 491
 492         /*
 493          * Reset_work may be in the middle of resetting the device, wait for its
 494          * completion.
 495          */
 496         while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
 497                 msleep(1);
 498
 499         if (netif_running(netdev)) {
 500                 vmxnet3_quiesce_dev(adapter);
 501                 vmxnet3_reset_dev(adapter);
 502
 503                 /* recreate the rx queue and the tx queue based on the
 504                  * new sizes */
 505                 vmxnet3_tq_destroy_all(adapter);
 506                 vmxnet3_rq_destroy_all(adapter);
 507
 508                 err = vmxnet3_create_queues(adapter, new_tx_ring_size,
 509                         new_rx_ring_size, VMXNET3_DEF_RX_RING_SIZE);
 510
 511                 if (err) {
 512                         /* failed, most likely because of OOM, try default
 513                          * size */
 514                         printk(KERN_ERR "%s: failed to apply new sizes, try the"
 515                                 " default ones\n", netdev->name);
 516                         err = vmxnet3_create_queues(adapter,
 517                                                     VMXNET3_DEF_TX_RING_SIZE,
 518                                                     VMXNET3_DEF_RX_RING_SIZE,
 519                                                     VMXNET3_DEF_RX_RING_SIZE);
 520                         if (err) {
 521                                 printk(KERN_ERR "%s: failed to create queues "
 522                                         "with default sizes. Closing it\n",
 523                                         netdev->name);
 524                                 goto out;
 525                         }
 526                 }
 527
 528                 err = vmxnet3_activate_dev(adapter);
 529                 if (err)
 530                         printk(KERN_ERR "%s: failed to re-activate, error %d."
 531                                 " Closing it\n", netdev->name, err);
 532         }
 533
 534 out:
 535         clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
 536         if (err)
 537                 vmxnet3_force_close(adapter);
 538
 539         return err;
 540 }
 541
 542
 543 static int
 544 vmxnet3_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info,
 545                   void *rules)
 546 {
 547         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 548         switch (info->cmd) {
 549         case ETHTOOL_GRXRINGS:
 550                 info->data = adapter->num_rx_queues;
 551                 return 0;
 552         }
 553         return -EOPNOTSUPP;
 554 }
 555
 556 #ifdef VMXNET3_RSS
 557 static int
 558 vmxnet3_get_rss_indir(struct net_device *netdev,
 559                       struct ethtool_rxfh_indir *p)
 560 {
 561         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 562         struct UPT1_RSSConf *rssConf = adapter->rss_conf;
 563         unsigned int n = min_t(unsigned int, p->size, rssConf->indTableSize);
 564
 565         p->size = rssConf->indTableSize;
 566         while (n--)
 567                 p->ring_index[n] = rssConf->indTable[n];
 568         return 0;
 569
 570 }
 571
 572 static int
 573 vmxnet3_set_rss_indir(struct net_device *netdev,
 574                       const struct ethtool_rxfh_indir *p)
 575 {
 576         unsigned int i;
 577         struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 578         struct UPT1_RSSConf *rssConf = adapter->rss_conf;
 579
 580         if (p->size != rssConf->indTableSize)
 581                 return -EINVAL;
 582         for (i = 0; i < rssConf->indTableSize; i++) {
 583                 /*
 584                  * Return with error code if any of the queue indices
 585                  * is out of range
 586                  */
 587                 if (p->ring_index[i] < 0 ||
 588                     p->ring_index[i] >= adapter->num_rx_queues)
 589                         return -EINVAL;
 590         }
 591
 592         for (i = 0; i < rssConf->indTableSize; i++)
 593                 rssConf->indTable[i] = p->ring_index[i];
 594
 595         VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
 596                                VMXNET3_CMD_UPDATE_RSSIDT);
 597
 598         return 0;
 599
 600 }
 601 #endif
 602
 603 static struct ethtool_ops vmxnet3_ethtool_ops = {
 604         .get_settings      = vmxnet3_get_settings,
 605         .get_drvinfo       = vmxnet3_get_drvinfo,
 606         .get_regs_len      = vmxnet3_get_regs_len,
 607         .get_regs          = vmxnet3_get_regs,
 608         .get_wol           = vmxnet3_get_wol,
 609         .set_wol           = vmxnet3_set_wol,
 610         .get_link          = ethtool_op_get_link,
 611         .get_rx_csum       = vmxnet3_get_rx_csum,
 612         .set_rx_csum       = vmxnet3_set_rx_csum,
 613         .get_tx_csum       = ethtool_op_get_tx_csum,
 614         .set_tx_csum       = ethtool_op_set_tx_hw_csum,
 615         .get_sg            = ethtool_op_get_sg,
 616         .set_sg            = ethtool_op_set_sg,
 617         .get_tso           = ethtool_op_get_tso,
 618         .set_tso           = ethtool_op_set_tso,
 619         .get_strings       = vmxnet3_get_strings,
 620         .get_flags         = ethtool_op_get_flags,
 621         .set_flags         = vmxnet3_set_flags,
 622         .get_sset_count    = vmxnet3_get_sset_count,
 623         .get_ethtool_stats = vmxnet3_get_ethtool_stats,
 624         .get_ringparam     = vmxnet3_get_ringparam,
 625         .set_ringparam     = vmxnet3_set_ringparam,
 626         .get_rxnfc         = vmxnet3_get_rxnfc,
 627 #ifdef VMXNET3_RSS
 628         .get_rxfh_indir    = vmxnet3_get_rss_indir,
 629         .set_rxfh_indir    = vmxnet3_set_rss_indir,
 630 #endif
 631 };
 632
 633 void vmxnet3_set_ethtool_ops(struct net_device *netdev)
 634 {
 635         SET_ETHTOOL_OPS(netdev, &vmxnet3_ethtool_ops);
 636 }