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 rte_vmbus_set_latency(hv->vmbus, new_sc, 268 HN_CHAN_LATENCY_NS); 269 270 retry = 0; 271 chn_index = rte_vmbus_sub_channel_index(new_sc); 272 if (chn_index == 0 || chn_index > hv->max_queues) { 273 PMD_DRV_LOG(ERR, 274 "Invalid subchannel offermsg channel %u", 275 chn_index); 276 return -EIO; 277 } 278 279 PMD_DRV_LOG(DEBUG, "new sub channel %u", chn_index); 280 hv->channels[chn_index] = new_sc; 281 --subchan; 282 } 283 284 return err; 285 } 286 287 static int hn_dev_configure(struct rte_eth_dev *dev) 288 { 289 const struct rte_eth_conf *dev_conf = &dev->data->dev_conf; 290 const struct rte_eth_rxmode *rxmode = &dev_conf->rxmode; 291 const struct rte_eth_txmode *txmode = &dev_conf->txmode; 292 293 const struct rte_eth_rss_conf *rss_conf = 294 &dev_conf->rx_adv_conf.rss_conf; 295 struct hn_data *hv = dev->data->dev_private; 296 uint64_t unsupported; 297 int err, subchan; 298 299 PMD_INIT_FUNC_TRACE(); 300 301 unsupported = txmode->offloads & ~HN_TX_OFFLOAD_CAPS; 302 if (unsupported) { 303 PMD_DRV_LOG(NOTICE, 304 "unsupported TX offload: %#" PRIx64, 305 unsupported); 306 return -EINVAL; 307 } 308 309 unsupported = rxmode->offloads & ~HN_RX_OFFLOAD_CAPS; 310 if (unsupported) { 311 PMD_DRV_LOG(NOTICE, 312 "unsupported RX offload: %#" PRIx64, 313 rxmode->offloads); 314 return -EINVAL; 315 } 316 317 err = hn_rndis_conf_offload(hv, txmode->offloads, 318 rxmode->offloads); 319 if (err) { 320 PMD_DRV_LOG(NOTICE, 321 "offload configure failed"); 322 return err; 323 } 324 325 hv->num_queues = RTE_MAX(dev->data->nb_rx_queues, 326 dev->data->nb_tx_queues); 327 subchan = hv->num_queues - 1; 328 if (subchan > 0) { 329 err = hn_subchan_configure(hv, subchan); 330 if (err) { 331 PMD_DRV_LOG(NOTICE, 332 "subchannel configuration failed"); 333 return err; 334 } 335 336 err = hn_rndis_conf_rss(hv, rss_conf); 337 if (err) { 338 PMD_DRV_LOG(NOTICE, 339 "rss configuration failed"); 340 return err; 341 } 342 } 343 344 return 0; 345 } 346 347 static int hn_dev_stats_get(struct rte_eth_dev *dev, 348 struct rte_eth_stats *stats) 349 { 350 unsigned int i; 351 352 for (i = 0; i < dev->data->nb_tx_queues; i++) { 353 const struct hn_tx_queue *txq = dev->data->tx_queues[i]; 354 355 if (!txq) 356 continue; 357 358 stats->opackets += txq->stats.packets; 359 stats->obytes += txq->stats.bytes; 360 stats->oerrors += txq->stats.errors + txq->stats.nomemory; 361 362 if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) { 363 stats->q_opackets[i] = txq->stats.packets; 364 stats->q_obytes[i] = txq->stats.bytes; 365 } 366 } 367 368 for (i = 0; i < dev->data->nb_rx_queues; i++) { 369 const struct hn_rx_queue *rxq = dev->data->rx_queues[i]; 370 371 if (!rxq) 372 continue; 373 374 stats->ipackets += rxq->stats.packets; 375 stats->ibytes += rxq->stats.bytes; 376 stats->ierrors += rxq->stats.errors; 377 stats->imissed += rxq->ring_full; 378 379 if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) { 380 stats->q_ipackets[i] = rxq->stats.packets; 381 stats->q_ibytes[i] = rxq->stats.bytes; 382 } 383 } 384 385 stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed; 386 return 0; 387 } 388 389 static void 390 hn_dev_stats_reset(struct rte_eth_dev *dev) 391 { 392 unsigned int i; 393 394 PMD_INIT_FUNC_TRACE(); 395 396 for (i = 0; i < dev->data->nb_tx_queues; i++) { 397 struct hn_tx_queue *txq = dev->data->tx_queues[i]; 398 399 if (!txq) 400 continue; 401 memset(&txq->stats, 0, sizeof(struct hn_stats)); 402 } 403 404 for (i = 0; i < dev->data->nb_rx_queues; i++) { 405 struct hn_rx_queue *rxq = dev->data->rx_queues[i]; 406 407 if (!rxq) 408 continue; 409 410 memset(&rxq->stats, 0, sizeof(struct hn_stats)); 411 rxq->ring_full = 0; 412 } 413 } 414 415 static int 416 hn_dev_xstats_get_names(struct rte_eth_dev *dev, 417 struct rte_eth_xstat_name *xstats_names, 418 __rte_unused unsigned int limit) 419 { 420 unsigned int i, t, count = 0; 421 422 PMD_INIT_FUNC_TRACE(); 423 424 if (!xstats_names) 425 return dev->data->nb_tx_queues * RTE_DIM(hn_stat_strings) 426 + dev->data->nb_rx_queues * RTE_DIM(hn_stat_strings); 427 428 /* Note: limit checked in rte_eth_xstats_names() */ 429 for (i = 0; i < dev->data->nb_tx_queues; i++) { 430 const struct hn_tx_queue *txq = dev->data->tx_queues[i]; 431 432 if (!txq) 433 continue; 434 435 for (t = 0; t < RTE_DIM(hn_stat_strings); t++) 436 snprintf(xstats_names[count++].name, 437 RTE_ETH_XSTATS_NAME_SIZE, 438 "tx_q%u_%s", i, hn_stat_strings[t].name); 439 } 440 441 for (i = 0; i < dev->data->nb_rx_queues; i++) { 442 const struct hn_rx_queue *rxq = dev->data->rx_queues[i]; 443 444 if (!rxq) 445 continue; 446 447 for (t = 0; t < RTE_DIM(hn_stat_strings); t++) 448 snprintf(xstats_names[count++].name, 449 RTE_ETH_XSTATS_NAME_SIZE, 450 "rx_q%u_%s", i, 451 hn_stat_strings[t].name); 452 } 453 454 return count; 455 } 456 457 static int 458 hn_dev_xstats_get(struct rte_eth_dev *dev, 459 struct rte_eth_xstat *xstats, 460 unsigned int n) 461 { 462 unsigned int i, t, count = 0; 463 464 const unsigned int nstats = 465 dev->data->nb_tx_queues * RTE_DIM(hn_stat_strings) 466 + dev->data->nb_rx_queues * RTE_DIM(hn_stat_strings); 467 const char *stats; 468 469 PMD_INIT_FUNC_TRACE(); 470 471 if (n < nstats) 472 return nstats; 473 474 for (i = 0; i < dev->data->nb_tx_queues; i++) { 475 const struct hn_tx_queue *txq = dev->data->tx_queues[i]; 476 477 if (!txq) 478 continue; 479 480 stats = (const char *)&txq->stats; 481 for (t = 0; t < RTE_DIM(hn_stat_strings); t++) 482 xstats[count++].value = *(const uint64_t *) 483 (stats + hn_stat_strings[t].offset); 484 } 485 486 for (i = 0; i < dev->data->nb_rx_queues; i++) { 487 const struct hn_rx_queue *rxq = dev->data->rx_queues[i]; 488 489 if (!rxq) 490 continue; 491 492 stats = (const char *)&rxq->stats; 493 for (t = 0; t < RTE_DIM(hn_stat_strings); t++) 494 xstats[count++].value = *(const uint64_t *) 495 (stats + hn_stat_strings[t].offset); 496 } 497 498 return count; 499 } 500 501 static int 502 hn_dev_start(struct rte_eth_dev *dev) 503 { 504 struct hn_data *hv = dev->data->dev_private; 505 506 PMD_INIT_FUNC_TRACE(); 507 508 /* check if lsc interrupt feature is enabled */ 509 if (dev->data->dev_conf.intr_conf.lsc) { 510 PMD_DRV_LOG(ERR, "link status not supported yet"); 511 return -ENOTSUP; 512 } 513 514 return hn_rndis_set_rxfilter(hv, 515 NDIS_PACKET_TYPE_BROADCAST | 516 NDIS_PACKET_TYPE_ALL_MULTICAST | 517 NDIS_PACKET_TYPE_DIRECTED); 518 } 519 520 static void 521 hn_dev_stop(struct rte_eth_dev *dev) 522 { 523 struct hn_data *hv = dev->data->dev_private; 524 525 PMD_INIT_FUNC_TRACE(); 526 527 hn_rndis_set_rxfilter(hv, 0); 528 } 529 530 static void 531 hn_dev_close(struct rte_eth_dev *dev __rte_unused) 532 { 533 PMD_INIT_LOG(DEBUG, "close"); 534 } 535 536 static const struct eth_dev_ops hn_eth_dev_ops = { 537 .dev_configure = hn_dev_configure, 538 .dev_start = hn_dev_start, 539 .dev_stop = hn_dev_stop, 540 .dev_close = hn_dev_close, 541 .dev_infos_get = hn_dev_info_get, 542 .txq_info_get = hn_dev_tx_queue_info, 543 .rxq_info_get = hn_dev_rx_queue_info, 544 .promiscuous_enable = hn_dev_promiscuous_enable, 545 .promiscuous_disable = hn_dev_promiscuous_disable, 546 .allmulticast_enable = hn_dev_allmulticast_enable, 547 .allmulticast_disable = hn_dev_allmulticast_disable, 548 .tx_queue_setup = hn_dev_tx_queue_setup, 549 .tx_queue_release = hn_dev_tx_queue_release, 550 .tx_done_cleanup = hn_dev_tx_done_cleanup, 551 .rx_queue_setup = hn_dev_rx_queue_setup, 552 .rx_queue_release = hn_dev_rx_queue_release, 553 .link_update = hn_dev_link_update, 554 .stats_get = hn_dev_stats_get, 555 .xstats_get = hn_dev_xstats_get, 556 .xstats_get_names = hn_dev_xstats_get_names, 557 .stats_reset = hn_dev_stats_reset, 558 .xstats_reset = hn_dev_stats_reset, 559 }; 560 561 /* 562 * Setup connection between PMD and kernel. 563 */ 564 static int 565 hn_attach(struct hn_data *hv, unsigned int mtu) 566 { 567 int error; 568 569 /* Attach NVS */ 570 error = hn_nvs_attach(hv, mtu); 571 if (error) 572 goto failed_nvs; 573 574 /* Attach RNDIS */ 575 error = hn_rndis_attach(hv); 576 if (error) 577 goto failed_rndis; 578 579 /* 580 * NOTE: 581 * Under certain conditions on certain versions of Hyper-V, 582 * the RNDIS rxfilter is _not_ zero on the hypervisor side 583 * after the successful RNDIS initialization. 584 */ 585 hn_rndis_set_rxfilter(hv, NDIS_PACKET_TYPE_NONE); 586 return 0; 587 failed_rndis: 588 hn_nvs_detach(hv); 589 failed_nvs: 590 return error; 591 } 592 593 static void 594 hn_detach(struct hn_data *hv) 595 { 596 hn_nvs_detach(hv); 597 hn_rndis_detach(hv); 598 } 599 600 static int 601 eth_hn_dev_init(struct rte_eth_dev *eth_dev) 602 { 603 struct hn_data *hv = eth_dev->data->dev_private; 604 struct rte_device *device = eth_dev->device; 605 struct rte_vmbus_device *vmbus; 606 unsigned int rxr_cnt; 607 int err, max_chan; 608 609 PMD_INIT_FUNC_TRACE(); 610 611 vmbus = container_of(device, struct rte_vmbus_device, device); 612 eth_dev->dev_ops = &hn_eth_dev_ops; 613 eth_dev->tx_pkt_burst = &hn_xmit_pkts; 614 eth_dev->rx_pkt_burst = &hn_recv_pkts; 615 616 /* 617 * for secondary processes, we don't initialize any further as primary 618 * has already done this work. 619 */ 620 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 621 return 0; 622 623 /* Since Hyper-V only supports one MAC address, just use local data */ 624 eth_dev->data->mac_addrs = &hv->mac_addr; 625 626 hv->vmbus = vmbus; 627 hv->rxbuf_res = &vmbus->resource[HV_RECV_BUF_MAP]; 628 hv->chim_res = &vmbus->resource[HV_SEND_BUF_MAP]; 629 hv->port_id = eth_dev->data->port_id; 630 631 /* Initialize primary channel input for control operations */ 632 err = rte_vmbus_chan_open(vmbus, &hv->channels[0]); 633 if (err) 634 return err; 635 636 rte_vmbus_set_latency(hv->vmbus, hv->channels[0], 637 HN_CHAN_LATENCY_NS); 638 639 hv->primary = hn_rx_queue_alloc(hv, 0, 640 eth_dev->device->numa_node); 641 642 if (!hv->primary) 643 return -ENOMEM; 644 645 err = hn_attach(hv, ETHER_MTU); 646 if (err) 647 goto failed; 648 649 err = hn_tx_pool_init(eth_dev); 650 if (err) 651 goto failed; 652 653 err = hn_rndis_get_eaddr(hv, hv->mac_addr.addr_bytes); 654 if (err) 655 goto failed; 656 657 max_chan = rte_vmbus_max_channels(vmbus); 658 PMD_INIT_LOG(DEBUG, "VMBus max channels %d", max_chan); 659 if (max_chan <= 0) 660 goto failed; 661 662 if (hn_rndis_query_rsscaps(hv, &rxr_cnt) != 0) 663 rxr_cnt = 1; 664 665 hv->max_queues = RTE_MIN(rxr_cnt, (unsigned int)max_chan); 666 667 return 0; 668 669 failed: 670 PMD_INIT_LOG(NOTICE, "device init failed"); 671 672 hn_detach(hv); 673 return err; 674 } 675 676 static int 677 eth_hn_dev_uninit(struct rte_eth_dev *eth_dev) 678 { 679 struct hn_data *hv = eth_dev->data->dev_private; 680 681 PMD_INIT_FUNC_TRACE(); 682 683 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 684 return 0; 685 686 hn_dev_stop(eth_dev); 687 hn_dev_close(eth_dev); 688 689 eth_dev->dev_ops = NULL; 690 eth_dev->tx_pkt_burst = NULL; 691 eth_dev->rx_pkt_burst = NULL; 692 693 hn_detach(hv); 694 rte_vmbus_chan_close(hv->primary->chan); 695 rte_free(hv->primary); 696 697 eth_dev->data->mac_addrs = NULL; 698 699 return 0; 700 } 701 702 static int eth_hn_probe(struct rte_vmbus_driver *drv __rte_unused, 703 struct rte_vmbus_device *dev) 704 { 705 struct rte_eth_dev *eth_dev; 706 int ret; 707 708 PMD_INIT_FUNC_TRACE(); 709 710 eth_dev = eth_dev_vmbus_allocate(dev, sizeof(struct hn_data)); 711 if (!eth_dev) 712 return -ENOMEM; 713 714 ret = eth_hn_dev_init(eth_dev); 715 if (ret) 716 eth_dev_vmbus_release(eth_dev); 717 else 718 rte_eth_dev_probing_finish(eth_dev); 719 720 return ret; 721 } 722 723 static int eth_hn_remove(struct rte_vmbus_device *dev) 724 { 725 struct rte_eth_dev *eth_dev; 726 int ret; 727 728 PMD_INIT_FUNC_TRACE(); 729 730 eth_dev = rte_eth_dev_allocated(dev->device.name); 731 if (!eth_dev) 732 return -ENODEV; 733 734 ret = eth_hn_dev_uninit(eth_dev); 735 if (ret) 736 return ret; 737 738 eth_dev_vmbus_release(eth_dev); 739 return 0; 740 } 741 742 /* Network device GUID */ 743 static const rte_uuid_t hn_net_ids[] = { 744 /* f8615163-df3e-46c5-913f-f2d2f965ed0e */ 745 RTE_UUID_INIT(0xf8615163, 0xdf3e, 0x46c5, 0x913f, 0xf2d2f965ed0eULL), 746 { 0 } 747 }; 748 749 static struct rte_vmbus_driver rte_netvsc_pmd = { 750 .id_table = hn_net_ids, 751 .probe = eth_hn_probe, 752 .remove = eth_hn_remove, 753 }; 754 755 RTE_PMD_REGISTER_VMBUS(net_netvsc, rte_netvsc_pmd); 756 RTE_PMD_REGISTER_KMOD_DEP(net_netvsc, "* uio_hv_generic"); 757 758 RTE_INIT(hn_init_log); 759 static void 760 hn_init_log(void) 761 { 762 hn_logtype_init = rte_log_register("pmd.net.netvsc.init"); 763 if (hn_logtype_init >= 0) 764 rte_log_set_level(hn_logtype_init, RTE_LOG_NOTICE); 765 hn_logtype_driver = rte_log_register("pmd.net.netvsc.driver"); 766 if (hn_logtype_driver >= 0) 767 rte_log_set_level(hn_logtype_driver, RTE_LOG_NOTICE); 768 } 769