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 } 567