1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2016-2018 Microsoft Corporation 3 * Copyright(c) 2013-2016 Brocade Communications Systems, Inc. 4 * All rights reserved. 5 */ 6 7 #include <stdint.h> 8 #include <string.h> 9 #include <stdio.h> 10 #include <errno.h> 11 #include <unistd.h> 12 13 #include <rte_ethdev.h> 14 #include <rte_memcpy.h> 15 #include <rte_string_fns.h> 16 #include <rte_memzone.h> 17 #include <rte_malloc.h> 18 #include <rte_atomic.h> 19 #include <rte_branch_prediction.h> 20 #include <rte_ether.h> 21 #include <rte_ethdev_driver.h> 22 #include <rte_cycles.h> 23 #include <rte_errno.h> 24 #include <rte_memory.h> 25 #include <rte_eal.h> 26 #include <rte_dev.h> 27 #include <rte_bus_vmbus.h> 28 29 #include "hn_logs.h" 30 #include "hn_var.h" 31 #include "hn_rndis.h" 32 #include "hn_nvs.h" 33 #include "ndis.h" 34 35 #define HN_TX_OFFLOAD_CAPS (DEV_TX_OFFLOAD_IPV4_CKSUM | \ 36 DEV_TX_OFFLOAD_TCP_CKSUM | \ 37 DEV_TX_OFFLOAD_UDP_CKSUM | \ 38 DEV_TX_OFFLOAD_TCP_TSO | \ 39 DEV_TX_OFFLOAD_MULTI_SEGS | \ 40 DEV_TX_OFFLOAD_VLAN_INSERT) 41 42 #define HN_RX_OFFLOAD_CAPS (DEV_RX_OFFLOAD_CHECKSUM | \ 43 DEV_RX_OFFLOAD_VLAN_STRIP | \ 44 DEV_RX_OFFLOAD_CRC_STRIP) 45 46 int hn_logtype_init; 47 int hn_logtype_driver; 48 49 struct hn_xstats_name_off { 50 char name[RTE_ETH_XSTATS_NAME_SIZE]; 51 unsigned int offset; 52 }; 53 54 static const struct hn_xstats_name_off hn_stat_strings[] = { 55 { "good_packets", offsetof(struct hn_stats, packets) }, 56 { "good_bytes", offsetof(struct hn_stats, bytes) }, 57 { "errors", offsetof(struct hn_stats, errors) }, 58 { "allocation_failed", offsetof(struct hn_stats, nomemory) }, 59 { "multicast_packets", offsetof(struct hn_stats, multicast) }, 60 { "broadcast_packets", offsetof(struct hn_stats, broadcast) }, 61 { "undersize_packets", offsetof(struct hn_stats, size_bins[0]) }, 62 { "size_64_packets", offsetof(struct hn_stats, size_bins[1]) }, 63 { "size_65_127_packets", offsetof(struct hn_stats, size_bins[2]) }, 64 { "size_128_255_packets", offsetof(struct hn_stats, size_bins[3]) }, 65 { "size_256_511_packets", offsetof(struct hn_stats, size_bins[4]) }, 66 { "size_512_1023_packets", offsetof(struct hn_stats, size_bins[5]) }, 67 { "size_1024_1518_packets", offsetof(struct hn_stats, size_bins[6]) }, 68 { "size_1519_max_packets", offsetof(struct hn_stats, size_bins[7]) }, 69 }; 70 71 static struct rte_eth_dev * 72 eth_dev_vmbus_allocate(struct rte_vmbus_device *dev, size_t private_data_size) 73 { 74 struct rte_eth_dev *eth_dev; 75 const char *name; 76 77 if (!dev) 78 return NULL; 79 80 name = dev->device.name; 81 82 if (rte_eal_process_type() == RTE_PROC_PRIMARY) { 83 eth_dev = rte_eth_dev_allocate(name); 84 if (!eth_dev) { 85 PMD_DRV_LOG(NOTICE, "can not allocate rte ethdev"); 86 return NULL; 87 } 88 89 if (private_data_size) { 90 eth_dev->data->dev_private = 91 rte_zmalloc_socket(name, private_data_size, 92 RTE_CACHE_LINE_SIZE, dev->device.numa_node); 93 if (!eth_dev->data->dev_private) { 94 PMD_DRV_LOG(NOTICE, "can not allocate driver data"); 95 rte_eth_dev_release_port(eth_dev); 96 return NULL; 97 } 98 } 99 } else { 100 eth_dev = rte_eth_dev_attach_secondary(name); 101 if (!eth_dev) { 102 PMD_DRV_LOG(NOTICE, "can not attach secondary"); 103 return NULL; 104 } 105 } 106 107 eth_dev->device = &dev->device; 108 eth_dev->intr_handle = &dev->intr_handle; 109 110 return eth_dev; 111 } 112 113 static void 114 eth_dev_vmbus_release(struct rte_eth_dev *eth_dev) 115 { 116 /* free ether device */ 117 rte_eth_dev_release_port(eth_dev); 118 119 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 120 rte_free(eth_dev->data->dev_private); 121 122 eth_dev->data->dev_private = NULL; 123 124 /* 125 * Secondary process will check the name to attach. 126 * Clear this field to avoid attaching a released ports. 127 */ 128 eth_dev->data->name[0] = '\0'; 129 130 eth_dev->device = NULL; 131 eth_dev->intr_handle = NULL; 132 } 133 134 /* Update link status. 135 * Note: the DPDK definition of "wait_to_complete" 136 * means block this call until link is up. 137 * which is not worth supporting. 138 */ 139 static int 140 hn_dev_link_update(struct rte_eth_dev *dev, 141 __rte_unused int wait_to_complete) 142 { 143 struct hn_data *hv = dev->data->dev_private; 144 struct rte_eth_link link, old; 145 int error; 146 147 old = dev->data->dev_link; 148 149 error = hn_rndis_get_linkstatus(hv); 150 if (error) 151 return error; 152 153 hn_rndis_get_linkspeed(hv); 154 155 link = (struct rte_eth_link) { 156 .link_duplex = ETH_LINK_FULL_DUPLEX, 157 .link_autoneg = ETH_LINK_SPEED_FIXED, 158 .link_speed = hv->link_speed / 10000, 159 }; 160 161 if (hv->link_status == NDIS_MEDIA_STATE_CONNECTED) 162 link.link_status = ETH_LINK_UP; 163 else 164 link.link_status = ETH_LINK_DOWN; 165 166 if (old.link_status == link.link_status) 167 return 0; 168 169 PMD_INIT_LOG(DEBUG, "Port %d is %s", dev->data->port_id, 170 (link.link_status == ETH_LINK_UP) ? "up" : "down"); 171 172 return rte_eth_linkstatus_set(dev, &link); 173 } 174 175 static void hn_dev_info_get(struct rte_eth_dev *dev, 176 struct rte_eth_dev_info *dev_info) 177 { 178 struct hn_data *hv = dev->data->dev_private; 179 180 dev_info->speed_capa = ETH_LINK_SPEED_10G; 181 dev_info->min_rx_bufsize = HN_MIN_RX_BUF_SIZE; 182 dev_info->max_rx_pktlen = HN_MAX_XFER_LEN; 183 dev_info->max_mac_addrs = 1; 184 185 dev_info->hash_key_size = NDIS_HASH_KEYSIZE_TOEPLITZ; 186 dev_info->flow_type_rss_offloads = 187 ETH_RSS_IPV4 | ETH_RSS_IPV6 | ETH_RSS_TCP | ETH_RSS_UDP; 188 189 dev_info->max_rx_queues = hv->max_queues; 190 dev_info->max_tx_queues = hv->max_queues; 191 192 hn_rndis_get_offload(hv, dev_info); 193 } 194 195 static void 196 hn_dev_promiscuous_enable(struct rte_eth_dev *dev) 197 { 198 struct hn_data *hv = dev->data->dev_private; 199 200 hn_rndis_set_rxfilter(hv, NDIS_PACKET_TYPE_PROMISCUOUS); 201 } 202 203 static void 204 hn_dev_promiscuous_disable(struct rte_eth_dev *dev) 205 { 206 struct hn_data *hv = dev->data->dev_private; 207 uint32_t filter; 208 209 filter = NDIS_PACKET_TYPE_DIRECTED | NDIS_PACKET_TYPE_BROADCAST; 210 if (dev->data->all_multicast) 211 filter |= NDIS_PACKET_TYPE_ALL_MULTICAST; 212 hn_rndis_set_rxfilter(hv, filter); 213 } 214 215 static void 216 hn_dev_allmulticast_enable(struct rte_eth_dev *dev) 217 { 218 struct hn_data *hv = dev->data->dev_private; 219 220 hn_rndis_set_rxfilter(hv, NDIS_PACKET_TYPE_DIRECTED | 221 NDIS_PACKET_TYPE_ALL_MULTICAST | 222 NDIS_PACKET_TYPE_BROADCAST); 223 } 224 225 static void 226 hn_dev_allmulticast_disable(struct rte_eth_dev *dev) 227 { 228 struct hn_data *hv = dev->data->dev_private; 229 230 hn_rndis_set_rxfilter(hv, NDIS_PACKET_TYPE_DIRECTED | 231 NDIS_PACKET_TYPE_BROADCAST); 232 } 233 234 /* Setup shared rx/tx queue data */ 235 static int hn_subchan_configure(struct hn_data *hv, 236 uint32_t subchan) 237 { 238 struct vmbus_channel *primary = hn_primary_chan(hv); 239 int err; 240 unsigned int retry = 0; 241 242 PMD_DRV_LOG(DEBUG, 243 "open %u subchannels", subchan); 244 245 /* Send create sub channels command */ 246 err = hn_nvs_alloc_subchans(hv, &subchan); 247 if (err) 248 return err; 249 250 while (subchan > 0) { 251 struct vmbus_channel *new_sc; 252 uint16_t chn_index; 253 254 err = rte_vmbus_subchan_open(primary, &new_sc); 255 if (err == -ENOENT && ++retry < 1000) { 256 /* This can happen if not ready yet */ 257 rte_delay_ms(10); 258 continue; 259 } 260 261 if (err) { 262 PMD_DRV_LOG(ERR, 263 "open subchannel failed: %d", err); 264 return err; 265 } 266 267 retry = 0; 268 chn_index = rte_vmbus_sub_channel_index(new_sc); 269 if (chn_index == 0 || chn_index > hv->max_queues) { 270 PMD_DRV_LOG(ERR, 271 "Invalid subchannel offermsg channel %u", 272 chn_index); 273 return -EIO; 274 } 275 276 PMD_DRV_LOG(DEBUG, "new sub channel %u", chn_index); 277 hv->channels[chn_index] = new_sc; 278 --subchan; 279 } 280 281 return err; 282 } 283 284 static int hn_dev_configure(struct rte_eth_dev *dev) 285 { 286 const struct rte_eth_conf *dev_conf = &dev->data->dev_conf; 287 const struct rte_eth_rxmode *rxmode = &dev_conf->rxmode; 288 const struct rte_eth_txmode *txmode = &dev_conf->txmode; 289 290 const struct rte_eth_rss_conf *rss_conf = 291 &dev_conf->rx_adv_conf.rss_conf; 292 struct hn_data *hv = dev->data->dev_private; 293 uint64_t unsupported; 294 int err, subchan; 295 296 PMD_INIT_FUNC_TRACE(); 297 298 unsupported = txmode->offloads & ~HN_TX_OFFLOAD_CAPS; 299 if (unsupported) { 300 PMD_DRV_LOG(NOTICE, 301 "unsupported TX offload: %#" PRIx64, 302 unsupported); 303 return -EINVAL; 304 } 305 306 unsupported = rxmode->offloads & ~HN_RX_OFFLOAD_CAPS; 307 if (unsupported) { 308 PMD_DRV_LOG(NOTICE, 309 "unsupported RX offload: %#" PRIx64, 310 rxmode->offloads); 311 return -EINVAL; 312 } 313 314 err = hn_rndis_conf_offload(hv, txmode->offloads, 315 rxmode->offloads); 316 if (err) { 317 PMD_DRV_LOG(NOTICE, 318 "offload configure failed"); 319 return err; 320 } 321 322 hv->num_queues = RTE_MAX(dev->data->nb_rx_queues, 323 dev->data->nb_tx_queues); 324 subchan = hv->num_queues - 1; 325 if (subchan > 0) { 326 err = hn_subchan_configure(hv, subchan); 327 if (err) { 328 PMD_DRV_LOG(NOTICE, 329 "subchannel configuration failed"); 330 return err; 331 } 332 333 err = hn_rndis_conf_rss(hv, rss_conf); 334 if (err) { 335 PMD_DRV_LOG(NOTICE, 336 "rss configuration failed"); 337 return err; 338 } 339 } 340 341 return 0; 342 } 343 344 static int hn_dev_stats_get(struct rte_eth_dev *dev, 345 struct rte_eth_stats *stats) 346 { 347 unsigned int i; 348 349 for (i = 0; i < dev->data->nb_tx_queues; i++) { 350 const struct hn_tx_queue *txq = dev->data->tx_queues[i]; 351 352 if (!txq) 353 continue; 354 355 stats->opackets += txq->stats.packets; 356 stats->obytes += txq->stats.bytes; 357 stats->oerrors += txq->stats.errors + txq->stats.nomemory; 358 359 if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) { 360 stats->q_opackets[i] = txq->stats.packets; 361 stats->q_obytes[i] = txq->stats.bytes; 362 } 363 } 364 365 for (i = 0; i < dev->data->nb_rx_queues; i++) { 366 const struct hn_rx_queue *rxq = dev->data->rx_queues[i]; 367 368 if (!rxq) 369 continue; 370 371 stats->ipackets += rxq->stats.packets; 372 stats->ibytes += rxq->stats.bytes; 373 stats->ierrors += rxq->stats.errors; 374 stats->imissed += rxq->ring_full; 375 376 if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) { 377 stats->q_ipackets[i] = rxq->stats.packets; 378 stats->q_ibytes[i] = rxq->stats.bytes; 379 } 380 } 381 382 stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed; 383 return 0; 384 } 385 386 static void 387 hn_dev_stats_reset(struct rte_eth_dev *dev) 388 { 389 unsigned int i; 390 391 PMD_INIT_FUNC_TRACE(); 392 393 for (i = 0; i < dev->data->nb_tx_queues; i++) { 394 struct hn_tx_queue *txq = dev->data->tx_queues[i]; 395 396 if (!txq) 397 continue; 398 memset(&txq->stats, 0, sizeof(struct hn_stats)); 399 } 400 401 for (i = 0; i < dev->data->nb_rx_queues; i++) { 402 struct hn_rx_queue *rxq = dev->data->rx_queues[i]; 403 404 if (!rxq) 405 continue; 406 407 memset(&rxq->stats, 0, sizeof(struct hn_stats)); 408 rxq->ring_full = 0; 409 } 410 } 411 412 static int 413 hn_dev_xstats_get_names(struct rte_eth_dev *dev, 414 struct rte_eth_xstat_name *xstats_names, 415 __rte_unused unsigned int limit) 416 { 417 unsigned int i, t, count = 0; 418 419 PMD_INIT_FUNC_TRACE(); 420 421 if (!xstats_names) 422 return dev->data->nb_tx_queues * RTE_DIM(hn_stat_strings) 423 + dev->data->nb_rx_queues * RTE_DIM(hn_stat_strings); 424 425 /* Note: limit checked in rte_eth_xstats_names() */ 426 for (i = 0; i < dev->data->nb_tx_queues; i++) { 427 const struct hn_tx_queue *txq = dev->data->tx_queues[i]; 428 429 if (!txq) 430 continue; 431 432 for (t = 0; t < RTE_DIM(hn_stat_strings); t++) 433 snprintf(xstats_names[count++].name, 434 RTE_ETH_XSTATS_NAME_SIZE, 435 "tx_q%u_%s", i, hn_stat_strings[t].name); 436 } 437 438 for (i = 0; i < dev->data->nb_rx_queues; i++) { 439 const struct hn_rx_queue *rxq = dev->data->rx_queues[i]; 440 441 if (!rxq) 442 continue; 443 444 for (t = 0; t < RTE_DIM(hn_stat_strings); t++) 445 snprintf(xstats_names[count++].name, 446 RTE_ETH_XSTATS_NAME_SIZE, 447 "rx_q%u_%s", i, 448 hn_stat_strings[t].name); 449 } 450 451 return count; 452 } 453 454 static int 455 hn_dev_xstats_get(struct rte_eth_dev *dev, 456 struct rte_eth_xstat *xstats, 457 unsigned int n) 458 { 459 unsigned int i, t, count = 0; 460 461 const unsigned int nstats = 462 dev->data->nb_tx_queues * RTE_DIM(hn_stat_strings) 463 + dev->data->nb_rx_queues * RTE_DIM(hn_stat_strings); 464 const char *stats; 465 466 PMD_INIT_FUNC_TRACE(); 467 468 if (n < nstats) 469 return nstats; 470 471 for (i = 0; i < dev->data->nb_tx_queues; i++) { 472 const struct hn_tx_queue *txq = dev->data->tx_queues[i]; 473 474 if (!txq) 475 continue; 476 477 stats = (const char *)&txq->stats; 478 for (t = 0; t < RTE_DIM(hn_stat_strings); t++) 479 xstats[count++].value = *(const uint64_t *) 480 (stats + hn_stat_strings[t].offset); 481 } 482 483 for (i = 0; i < dev->data->nb_rx_queues; i++) { 484 const struct hn_rx_queue *rxq = dev->data->rx_queues[i]; 485 486 if (!rxq) 487 continue; 488 489 stats = (const char *)&rxq->stats; 490 for (t = 0; t < RTE_DIM(hn_stat_strings); t++) 491 xstats[count++].value = *(const uint64_t *) 492 (stats + hn_stat_strings[t].offset); 493 } 494 495 return count; 496 } 497 498 static int 499 hn_dev_start(struct rte_eth_dev *dev) 500 { 501 struct hn_data *hv = dev->data->dev_private; 502 503 PMD_INIT_FUNC_TRACE(); 504 505 /* check if lsc interrupt feature is enabled */ 506 if (dev->data->dev_conf.intr_conf.lsc) { 507 PMD_DRV_LOG(ERR, "link status not supported yet"); 508 return -ENOTSUP; 509 } 510 511 return hn_rndis_set_rxfilter(hv, 512 NDIS_PACKET_TYPE_BROADCAST | 513 NDIS_PACKET_TYPE_ALL_MULTICAST | 514 NDIS_PACKET_TYPE_DIRECTED); 515 } 516 517 static void 518 hn_dev_stop(struct rte_eth_dev *dev) 519 { 520 struct hn_data *hv = dev->data->dev_private; 521 522 PMD_INIT_FUNC_TRACE(); 523 524 hn_rndis_set_rxfilter(hv, 0); 525 } 526 527 static void 528 hn_dev_close(struct rte_eth_dev *dev __rte_unused) 529 { 530 PMD_INIT_LOG(DEBUG, "close"); 531 } 532 533 static const struct eth_dev_ops hn_eth_dev_ops = { 534 .dev_configure = hn_dev_configure, 535 .dev_start = hn_dev_start, 536 .dev_stop = hn_dev_stop, 537 .dev_close = hn_dev_close, 538 .dev_infos_get = hn_dev_info_get, 539 .promiscuous_enable = hn_dev_promiscuous_enable, 540 .promiscuous_disable = hn_dev_promiscuous_disable, 541 .allmulticast_enable = hn_dev_allmulticast_enable, 542 .allmulticast_disable = hn_dev_allmulticast_disable, 543 .tx_queue_setup = hn_dev_tx_queue_setup, 544 .tx_queue_release = hn_dev_tx_queue_release, 545 .rx_queue_setup = hn_dev_rx_queue_setup, 546 .rx_queue_release = hn_dev_rx_queue_release, 547 .link_update = hn_dev_link_update, 548 .stats_get = hn_dev_stats_get, 549 .xstats_get = hn_dev_xstats_get, 550 .xstats_get_names = hn_dev_xstats_get_names, 551 .stats_reset = hn_dev_stats_reset, 552 .xstats_reset = hn_dev_stats_reset, 553 }; 554 555 /* 556 * Setup connection between PMD and kernel. 557 */ 558 static int 559 hn_attach(struct hn_data *hv, unsigned int mtu) 560 { 561 int error; 562 563 /* Attach NVS */ 564 error = hn_nvs_attach(hv, mtu); 565 if (error) 566 goto failed_nvs; 567 568 /* Attach RNDIS */ 569 error = hn_rndis_attach(hv); 570 if (error) 571 goto failed_rndis; 572 573 /* 574 * NOTE: 575 * Under certain conditions on certain versions of Hyper-V, 576 * the RNDIS rxfilter is _not_ zero on the hypervisor side 577 * after the successful RNDIS initialization. 578 */ 579 hn_rndis_set_rxfilter(hv, NDIS_PACKET_TYPE_NONE); 580 return 0; 581 failed_rndis: 582 hn_nvs_detach(hv); 583 failed_nvs: 584 return error; 585 } 586 587 static void 588 hn_detach(struct hn_data *hv) 589 { 590 hn_nvs_detach(hv); 591 hn_rndis_detach(hv); 592 } 593 594 static int 595 eth_hn_dev_init(struct rte_eth_dev *eth_dev) 596 { 597 struct hn_data *hv = eth_dev->data->dev_private; 598 struct rte_device *device = eth_dev->device; 599 struct rte_vmbus_device *vmbus; 600 unsigned int rxr_cnt; 601 int err, max_chan; 602 603 PMD_INIT_FUNC_TRACE(); 604 605 vmbus = container_of(device, struct rte_vmbus_device, device); 606 eth_dev->dev_ops = &hn_eth_dev_ops; 607 eth_dev->tx_pkt_burst = &hn_xmit_pkts; 608 eth_dev->rx_pkt_burst = &hn_recv_pkts; 609 610 /* 611 * for secondary processes, we don't initialize any further as primary 612 * has already done this work. 613 */ 614 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 615 return 0; 616 617 /* Since Hyper-V only supports one MAC address, just use local data */ 618 eth_dev->data->mac_addrs = &hv->mac_addr; 619 620 hv->vmbus = vmbus; 621 hv->rxbuf_res = &vmbus->resource[HV_RECV_BUF_MAP]; 622 hv->chim_res = &vmbus->resource[HV_SEND_BUF_MAP]; 623 hv->port_id = eth_dev->data->port_id; 624 625 /* Initialize primary channel input for control operations */ 626 err = rte_vmbus_chan_open(vmbus, &hv->channels[0]); 627 if (err) 628 return err; 629 630 hv->primary = hn_rx_queue_alloc(hv, 0, 631 eth_dev->device->numa_node); 632 633 if (!hv->primary) 634 return -ENOMEM; 635 636 err = hn_attach(hv, ETHER_MTU); 637 if (err) 638 goto failed; 639 640 err = hn_tx_pool_init(eth_dev); 641 if (err) 642 goto failed; 643 644 err = hn_rndis_get_eaddr(hv, hv->mac_addr.addr_bytes); 645 if (err) 646 goto failed; 647 648 max_chan = rte_vmbus_max_channels(vmbus); 649 PMD_INIT_LOG(DEBUG, "VMBus max channels %d", max_chan); 650 if (max_chan <= 0) 651 goto failed; 652 653 if (hn_rndis_query_rsscaps(hv, &rxr_cnt) != 0) 654 rxr_cnt = 1; 655 656 hv->max_queues = RTE_MIN(rxr_cnt, (unsigned int)max_chan); 657 658 return 0; 659 660 failed: 661 PMD_INIT_LOG(NOTICE, "device init failed"); 662 663 hn_detach(hv); 664 return err; 665 } 666 667 static int 668 eth_hn_dev_uninit(struct rte_eth_dev *eth_dev) 669 { 670 struct hn_data *hv = eth_dev->data->dev_private; 671 672 PMD_INIT_FUNC_TRACE(); 673 674 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 675 return 0; 676 677 hn_dev_stop(eth_dev); 678 hn_dev_close(eth_dev); 679 680 eth_dev->dev_ops = NULL; 681 eth_dev->tx_pkt_burst = NULL; 682 eth_dev->rx_pkt_burst = NULL; 683 684 hn_detach(hv); 685 rte_vmbus_chan_close(hv->primary->chan); 686 rte_free(hv->primary); 687 688 eth_dev->data->mac_addrs = NULL; 689 690 return 0; 691 } 692 693 static int eth_hn_probe(struct rte_vmbus_driver *drv __rte_unused, 694 struct rte_vmbus_device *dev) 695 { 696 struct rte_eth_dev *eth_dev; 697 int ret; 698 699 PMD_INIT_FUNC_TRACE(); 700 701 eth_dev = eth_dev_vmbus_allocate(dev, sizeof(struct hn_data)); 702 if (!eth_dev) 703 return -ENOMEM; 704 705 ret = eth_hn_dev_init(eth_dev); 706 if (ret) 707 eth_dev_vmbus_release(eth_dev); 708 else 709 rte_eth_dev_probing_finish(eth_dev); 710 711 return ret; 712 } 713 714 static int eth_hn_remove(struct rte_vmbus_device *dev) 715 { 716 struct rte_eth_dev *eth_dev; 717 int ret; 718 719 PMD_INIT_FUNC_TRACE(); 720 721 eth_dev = rte_eth_dev_allocated(dev->device.name); 722 if (!eth_dev) 723 return -ENODEV; 724 725 ret = eth_hn_dev_uninit(eth_dev); 726 if (ret) 727 return ret; 728 729 eth_dev_vmbus_release(eth_dev); 730 return 0; 731 } 732 733 /* Network device GUID */ 734 static const rte_uuid_t hn_net_ids[] = { 735 /* f8615163-df3e-46c5-913f-f2d2f965ed0e */ 736 RTE_UUID_INIT(0xf8615163, 0xdf3e, 0x46c5, 0x913f, 0xf2d2f965ed0eULL), 737 { 0 } 738 }; 739 740 static struct rte_vmbus_driver rte_netvsc_pmd = { 741 .id_table = hn_net_ids, 742 .probe = eth_hn_probe, 743 .remove = eth_hn_remove, 744 }; 745 746 RTE_PMD_REGISTER_VMBUS(net_netvsc, rte_netvsc_pmd); 747 RTE_PMD_REGISTER_KMOD_DEP(net_netvsc, "* uio_hv_generic"); 748 749 RTE_INIT(hn_init_log); 750 static void 751 hn_init_log(void) 752 { 753 hn_logtype_init = rte_log_register("pmd.net.netvsc.init"); 754 if (hn_logtype_init >= 0) 755 rte_log_set_level(hn_logtype_init, RTE_LOG_NOTICE); 756 hn_logtype_driver = rte_log_register("pmd.net.netvsc.driver"); 757 if (hn_logtype_driver >= 0) 758 rte_log_set_level(hn_logtype_driver, RTE_LOG_NOTICE); 759 } 760