1 /* 2 * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. 3 * Copyright 2007 Nuova Systems, Inc. All rights reserved. 4 * 5 * Copyright (c) 2014, Cisco Systems, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 28 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 #include <stdio.h> 36 #include <stdint.h> 37 38 #include <rte_dev.h> 39 #include <rte_pci.h> 40 #include <rte_ethdev.h> 41 #include <rte_string_fns.h> 42 43 #include "vnic_intr.h" 44 #include "vnic_cq.h" 45 #include "vnic_wq.h" 46 #include "vnic_rq.h" 47 #include "vnic_enet.h" 48 #include "enic.h" 49 50 #ifdef RTE_LIBRTE_ENIC_DEBUG 51 #define ENICPMD_FUNC_TRACE() \ 52 RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__) 53 #else 54 #define ENICPMD_FUNC_TRACE() (void)0 55 #endif 56 57 /* 58 * The set of PCI devices this driver supports 59 */ 60 #define CISCO_PCI_VENDOR_ID 0x1137 61 static const struct rte_pci_id pci_id_enic_map[] = { 62 { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) }, 63 { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) }, 64 {.vendor_id = 0, /* sentinel */}, 65 }; 66 67 static int 68 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev, 69 enum rte_filter_op filter_op, void *arg) 70 { 71 struct enic *enic = pmd_priv(eth_dev); 72 int ret = 0; 73 74 ENICPMD_FUNC_TRACE(); 75 if (filter_op == RTE_ETH_FILTER_NOP) 76 return 0; 77 78 if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH) 79 return -EINVAL; 80 81 switch (filter_op) { 82 case RTE_ETH_FILTER_ADD: 83 case RTE_ETH_FILTER_UPDATE: 84 ret = enic_fdir_add_fltr(enic, 85 (struct rte_eth_fdir_filter *)arg); 86 break; 87 88 case RTE_ETH_FILTER_DELETE: 89 ret = enic_fdir_del_fltr(enic, 90 (struct rte_eth_fdir_filter *)arg); 91 break; 92 93 case RTE_ETH_FILTER_STATS: 94 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg); 95 break; 96 97 case RTE_ETH_FILTER_FLUSH: 98 dev_warning(enic, "unsupported operation %u", filter_op); 99 ret = -ENOTSUP; 100 break; 101 case RTE_ETH_FILTER_INFO: 102 enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg); 103 break; 104 default: 105 dev_err(enic, "unknown operation %u", filter_op); 106 ret = -EINVAL; 107 break; 108 } 109 return ret; 110 } 111 112 static int 113 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev, 114 enum rte_filter_type filter_type, 115 enum rte_filter_op filter_op, 116 void *arg) 117 { 118 int ret = -EINVAL; 119 120 if (RTE_ETH_FILTER_FDIR == filter_type) 121 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg); 122 else 123 dev_warning(enic, "Filter type (%d) not supported", 124 filter_type); 125 126 return ret; 127 } 128 129 static void enicpmd_dev_tx_queue_release(void *txq) 130 { 131 ENICPMD_FUNC_TRACE(); 132 enic_free_wq(txq); 133 } 134 135 static int enicpmd_dev_setup_intr(struct enic *enic) 136 { 137 int ret; 138 unsigned int index; 139 140 ENICPMD_FUNC_TRACE(); 141 142 /* Are we done with the init of all the queues? */ 143 for (index = 0; index < enic->cq_count; index++) { 144 if (!enic->cq[index].ctrl) 145 break; 146 } 147 if (enic->cq_count != index) 148 return 0; 149 for (index = 0; index < enic->wq_count; index++) { 150 if (!enic->wq[index].ctrl) 151 break; 152 } 153 if (enic->wq_count != index) 154 return 0; 155 /* check start of packet (SOP) RQs only in case scatter is disabled. */ 156 for (index = 0; index < enic->rq_count; index++) { 157 if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl) 158 break; 159 } 160 if (enic->rq_count != index) 161 return 0; 162 163 ret = enic_alloc_intr_resources(enic); 164 if (ret) { 165 dev_err(enic, "alloc intr failed\n"); 166 return ret; 167 } 168 enic_init_vnic_resources(enic); 169 170 ret = enic_setup_finish(enic); 171 if (ret) 172 dev_err(enic, "setup could not be finished\n"); 173 174 return ret; 175 } 176 177 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, 178 uint16_t queue_idx, 179 uint16_t nb_desc, 180 unsigned int socket_id, 181 __rte_unused const struct rte_eth_txconf *tx_conf) 182 { 183 int ret; 184 struct enic *enic = pmd_priv(eth_dev); 185 186 ENICPMD_FUNC_TRACE(); 187 if (queue_idx >= ENIC_WQ_MAX) { 188 dev_err(enic, 189 "Max number of TX queues exceeded. Max is %d\n", 190 ENIC_WQ_MAX); 191 return -EINVAL; 192 } 193 194 eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx]; 195 196 ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc); 197 if (ret) { 198 dev_err(enic, "error in allocating wq\n"); 199 return ret; 200 } 201 202 return enicpmd_dev_setup_intr(enic); 203 } 204 205 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev, 206 uint16_t queue_idx) 207 { 208 struct enic *enic = pmd_priv(eth_dev); 209 210 ENICPMD_FUNC_TRACE(); 211 212 enic_start_wq(enic, queue_idx); 213 214 return 0; 215 } 216 217 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, 218 uint16_t queue_idx) 219 { 220 int ret; 221 struct enic *enic = pmd_priv(eth_dev); 222 223 ENICPMD_FUNC_TRACE(); 224 225 ret = enic_stop_wq(enic, queue_idx); 226 if (ret) 227 dev_err(enic, "error in stopping wq %d\n", queue_idx); 228 229 return ret; 230 } 231 232 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev, 233 uint16_t queue_idx) 234 { 235 struct enic *enic = pmd_priv(eth_dev); 236 237 ENICPMD_FUNC_TRACE(); 238 239 enic_start_rq(enic, queue_idx); 240 241 return 0; 242 } 243 244 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, 245 uint16_t queue_idx) 246 { 247 int ret; 248 struct enic *enic = pmd_priv(eth_dev); 249 250 ENICPMD_FUNC_TRACE(); 251 252 ret = enic_stop_rq(enic, queue_idx); 253 if (ret) 254 dev_err(enic, "error in stopping rq %d\n", queue_idx); 255 256 return ret; 257 } 258 259 static void enicpmd_dev_rx_queue_release(void *rxq) 260 { 261 ENICPMD_FUNC_TRACE(); 262 enic_free_rq(rxq); 263 } 264 265 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev, 266 uint16_t rx_queue_id) 267 { 268 struct enic *enic = pmd_priv(dev); 269 uint32_t queue_count = 0; 270 struct vnic_cq *cq; 271 uint32_t cq_tail; 272 uint16_t cq_idx; 273 int rq_num; 274 275 if (rx_queue_id >= dev->data->nb_rx_queues) { 276 dev_err(enic, "Invalid RX queue id=%d", rx_queue_id); 277 return 0; 278 } 279 280 rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id); 281 cq = &enic->cq[enic_cq_rq(enic, rq_num)]; 282 cq_idx = cq->to_clean; 283 284 cq_tail = ioread32(&cq->ctrl->cq_tail); 285 286 if (cq_tail < cq_idx) 287 cq_tail += cq->ring.desc_count; 288 289 queue_count = cq_tail - cq_idx; 290 291 return queue_count; 292 } 293 294 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, 295 uint16_t queue_idx, 296 uint16_t nb_desc, 297 unsigned int socket_id, 298 const struct rte_eth_rxconf *rx_conf, 299 struct rte_mempool *mp) 300 { 301 int ret; 302 struct enic *enic = pmd_priv(eth_dev); 303 304 ENICPMD_FUNC_TRACE(); 305 /* With Rx scatter support, two RQs are now used on VIC per RQ used 306 * by the application. 307 */ 308 if (queue_idx * 2 >= ENIC_RQ_MAX) { 309 dev_err(enic, 310 "Max number of RX queues exceeded. Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n", 311 ENIC_RQ_MAX); 312 return -EINVAL; 313 } 314 315 eth_dev->data->rx_queues[queue_idx] = 316 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)]; 317 318 ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc, 319 rx_conf->rx_free_thresh); 320 if (ret) { 321 dev_err(enic, "error in allocating rq\n"); 322 return ret; 323 } 324 325 return enicpmd_dev_setup_intr(enic); 326 } 327 328 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev, 329 uint16_t vlan_id, int on) 330 { 331 struct enic *enic = pmd_priv(eth_dev); 332 int err; 333 334 ENICPMD_FUNC_TRACE(); 335 if (on) 336 err = enic_add_vlan(enic, vlan_id); 337 else 338 err = enic_del_vlan(enic, vlan_id); 339 return err; 340 } 341 342 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask) 343 { 344 struct enic *enic = pmd_priv(eth_dev); 345 346 ENICPMD_FUNC_TRACE(); 347 348 if (mask & ETH_VLAN_STRIP_MASK) { 349 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip) 350 enic->ig_vlan_strip_en = 1; 351 else 352 enic->ig_vlan_strip_en = 0; 353 } 354 enic_set_rss_nic_cfg(enic); 355 356 357 if (mask & ETH_VLAN_FILTER_MASK) { 358 dev_warning(enic, 359 "Configuration of VLAN filter is not supported\n"); 360 } 361 362 if (mask & ETH_VLAN_EXTEND_MASK) { 363 dev_warning(enic, 364 "Configuration of extended VLAN is not supported\n"); 365 } 366 } 367 368 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev) 369 { 370 int ret; 371 struct enic *enic = pmd_priv(eth_dev); 372 373 ENICPMD_FUNC_TRACE(); 374 ret = enic_set_vnic_res(enic); 375 if (ret) { 376 dev_err(enic, "Set vNIC resource num failed, aborting\n"); 377 return ret; 378 } 379 380 if (eth_dev->data->dev_conf.rxmode.split_hdr_size && 381 eth_dev->data->dev_conf.rxmode.header_split) { 382 /* Enable header-data-split */ 383 enic_set_hdr_split_size(enic, 384 eth_dev->data->dev_conf.rxmode.split_hdr_size); 385 } 386 387 enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK); 388 enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum; 389 return 0; 390 } 391 392 /* Start the device. 393 * It returns 0 on success. 394 */ 395 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev) 396 { 397 struct enic *enic = pmd_priv(eth_dev); 398 399 ENICPMD_FUNC_TRACE(); 400 return enic_enable(enic); 401 } 402 403 /* 404 * Stop device: disable rx and tx functions to allow for reconfiguring. 405 */ 406 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev) 407 { 408 struct rte_eth_link link; 409 struct enic *enic = pmd_priv(eth_dev); 410 411 ENICPMD_FUNC_TRACE(); 412 enic_disable(enic); 413 memset(&link, 0, sizeof(link)); 414 rte_atomic64_cmpset((uint64_t *)ð_dev->data->dev_link, 415 *(uint64_t *)ð_dev->data->dev_link, 416 *(uint64_t *)&link); 417 } 418 419 /* 420 * Stop device. 421 */ 422 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev) 423 { 424 struct enic *enic = pmd_priv(eth_dev); 425 426 ENICPMD_FUNC_TRACE(); 427 enic_remove(enic); 428 } 429 430 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev, 431 __rte_unused int wait_to_complete) 432 { 433 struct enic *enic = pmd_priv(eth_dev); 434 435 ENICPMD_FUNC_TRACE(); 436 return enic_link_update(enic); 437 } 438 439 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev, 440 struct rte_eth_stats *stats) 441 { 442 struct enic *enic = pmd_priv(eth_dev); 443 444 ENICPMD_FUNC_TRACE(); 445 enic_dev_stats_get(enic, stats); 446 } 447 448 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev) 449 { 450 struct enic *enic = pmd_priv(eth_dev); 451 452 ENICPMD_FUNC_TRACE(); 453 enic_dev_stats_clear(enic); 454 } 455 456 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev, 457 struct rte_eth_dev_info *device_info) 458 { 459 struct enic *enic = pmd_priv(eth_dev); 460 461 ENICPMD_FUNC_TRACE(); 462 /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */ 463 device_info->max_rx_queues = enic->conf_rq_count / 2; 464 device_info->max_tx_queues = enic->conf_wq_count; 465 device_info->min_rx_bufsize = ENIC_MIN_MTU; 466 device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4; 467 device_info->max_mac_addrs = 1; 468 device_info->rx_offload_capa = 469 DEV_RX_OFFLOAD_VLAN_STRIP | 470 DEV_RX_OFFLOAD_IPV4_CKSUM | 471 DEV_RX_OFFLOAD_UDP_CKSUM | 472 DEV_RX_OFFLOAD_TCP_CKSUM; 473 device_info->tx_offload_capa = 474 DEV_TX_OFFLOAD_VLAN_INSERT | 475 DEV_TX_OFFLOAD_IPV4_CKSUM | 476 DEV_TX_OFFLOAD_UDP_CKSUM | 477 DEV_TX_OFFLOAD_TCP_CKSUM; 478 device_info->default_rxconf = (struct rte_eth_rxconf) { 479 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH 480 }; 481 } 482 483 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev) 484 { 485 static const uint32_t ptypes[] = { 486 RTE_PTYPE_L2_ETHER, 487 RTE_PTYPE_L2_ETHER_VLAN, 488 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN, 489 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN, 490 RTE_PTYPE_L4_TCP, 491 RTE_PTYPE_L4_UDP, 492 RTE_PTYPE_L4_FRAG, 493 RTE_PTYPE_L4_NONFRAG, 494 RTE_PTYPE_UNKNOWN 495 }; 496 497 if (dev->rx_pkt_burst == enic_recv_pkts) 498 return ptypes; 499 return NULL; 500 } 501 502 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev) 503 { 504 struct enic *enic = pmd_priv(eth_dev); 505 506 ENICPMD_FUNC_TRACE(); 507 enic->promisc = 1; 508 enic_add_packet_filter(enic); 509 } 510 511 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev) 512 { 513 struct enic *enic = pmd_priv(eth_dev); 514 515 ENICPMD_FUNC_TRACE(); 516 enic->promisc = 0; 517 enic_add_packet_filter(enic); 518 } 519 520 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev) 521 { 522 struct enic *enic = pmd_priv(eth_dev); 523 524 ENICPMD_FUNC_TRACE(); 525 enic->allmulti = 1; 526 enic_add_packet_filter(enic); 527 } 528 529 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev) 530 { 531 struct enic *enic = pmd_priv(eth_dev); 532 533 ENICPMD_FUNC_TRACE(); 534 enic->allmulti = 0; 535 enic_add_packet_filter(enic); 536 } 537 538 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev, 539 struct ether_addr *mac_addr, 540 __rte_unused uint32_t index, __rte_unused uint32_t pool) 541 { 542 struct enic *enic = pmd_priv(eth_dev); 543 544 ENICPMD_FUNC_TRACE(); 545 enic_set_mac_address(enic, mac_addr->addr_bytes); 546 } 547 548 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index) 549 { 550 struct enic *enic = pmd_priv(eth_dev); 551 552 ENICPMD_FUNC_TRACE(); 553 enic_del_mac_address(enic); 554 } 555 556 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu) 557 { 558 struct enic *enic = pmd_priv(eth_dev); 559 560 ENICPMD_FUNC_TRACE(); 561 return enic_set_mtu(enic, mtu); 562 } 563 564 static const struct eth_dev_ops enicpmd_eth_dev_ops = { 565 .dev_configure = enicpmd_dev_configure, 566 .dev_start = enicpmd_dev_start, 567 .dev_stop = enicpmd_dev_stop, 568 .dev_set_link_up = NULL, 569 .dev_set_link_down = NULL, 570 .dev_close = enicpmd_dev_close, 571 .promiscuous_enable = enicpmd_dev_promiscuous_enable, 572 .promiscuous_disable = enicpmd_dev_promiscuous_disable, 573 .allmulticast_enable = enicpmd_dev_allmulticast_enable, 574 .allmulticast_disable = enicpmd_dev_allmulticast_disable, 575 .link_update = enicpmd_dev_link_update, 576 .stats_get = enicpmd_dev_stats_get, 577 .stats_reset = enicpmd_dev_stats_reset, 578 .queue_stats_mapping_set = NULL, 579 .dev_infos_get = enicpmd_dev_info_get, 580 .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get, 581 .mtu_set = enicpmd_mtu_set, 582 .vlan_filter_set = enicpmd_vlan_filter_set, 583 .vlan_tpid_set = NULL, 584 .vlan_offload_set = enicpmd_vlan_offload_set, 585 .vlan_strip_queue_set = NULL, 586 .rx_queue_start = enicpmd_dev_rx_queue_start, 587 .rx_queue_stop = enicpmd_dev_rx_queue_stop, 588 .tx_queue_start = enicpmd_dev_tx_queue_start, 589 .tx_queue_stop = enicpmd_dev_tx_queue_stop, 590 .rx_queue_setup = enicpmd_dev_rx_queue_setup, 591 .rx_queue_release = enicpmd_dev_rx_queue_release, 592 .rx_queue_count = enicpmd_dev_rx_queue_count, 593 .rx_descriptor_done = NULL, 594 .tx_queue_setup = enicpmd_dev_tx_queue_setup, 595 .tx_queue_release = enicpmd_dev_tx_queue_release, 596 .dev_led_on = NULL, 597 .dev_led_off = NULL, 598 .flow_ctrl_get = NULL, 599 .flow_ctrl_set = NULL, 600 .priority_flow_ctrl_set = NULL, 601 .mac_addr_add = enicpmd_add_mac_addr, 602 .mac_addr_remove = enicpmd_remove_mac_addr, 603 .filter_ctrl = enicpmd_dev_filter_ctrl, 604 }; 605 606 struct enic *enicpmd_list_head = NULL; 607 /* Initialize the driver 608 * It returns 0 on success. 609 */ 610 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev) 611 { 612 struct rte_pci_device *pdev; 613 struct rte_pci_addr *addr; 614 struct enic *enic = pmd_priv(eth_dev); 615 616 ENICPMD_FUNC_TRACE(); 617 618 enic->port_id = eth_dev->data->port_id; 619 enic->rte_dev = eth_dev; 620 eth_dev->dev_ops = &enicpmd_eth_dev_ops; 621 eth_dev->rx_pkt_burst = &enic_recv_pkts; 622 eth_dev->tx_pkt_burst = &enic_xmit_pkts; 623 624 pdev = eth_dev->pci_dev; 625 rte_eth_copy_pci_info(eth_dev, pdev); 626 enic->pdev = pdev; 627 addr = &pdev->addr; 628 629 snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x", 630 addr->domain, addr->bus, addr->devid, addr->function); 631 632 return enic_probe(enic); 633 } 634 635 static struct eth_driver rte_enic_pmd = { 636 .pci_drv = { 637 .id_table = pci_id_enic_map, 638 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 639 .probe = rte_eth_dev_pci_probe, 640 .remove = rte_eth_dev_pci_remove, 641 }, 642 .eth_dev_init = eth_enicpmd_dev_init, 643 .dev_private_size = sizeof(struct enic), 644 }; 645 646 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd.pci_drv); 647 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map); 648 RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio"); 649