1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2016 Cavium, Inc 3 */ 4 5 #include <assert.h> 6 #include <stdio.h> 7 #include <stdbool.h> 8 #include <errno.h> 9 #include <stdint.h> 10 #include <string.h> 11 #include <unistd.h> 12 #include <stdarg.h> 13 #include <inttypes.h> 14 #include <netinet/in.h> 15 #include <sys/queue.h> 16 17 #include <rte_alarm.h> 18 #include <rte_branch_prediction.h> 19 #include <rte_byteorder.h> 20 #include <rte_common.h> 21 #include <rte_cycles.h> 22 #include <rte_debug.h> 23 #include <rte_dev.h> 24 #include <rte_eal.h> 25 #include <rte_ether.h> 26 #include <rte_ethdev_driver.h> 27 #include <rte_ethdev_pci.h> 28 #include <rte_interrupts.h> 29 #include <rte_log.h> 30 #include <rte_memory.h> 31 #include <rte_memzone.h> 32 #include <rte_malloc.h> 33 #include <rte_random.h> 34 #include <rte_pci.h> 35 #include <rte_bus_pci.h> 36 #include <rte_tailq.h> 37 #include <rte_devargs.h> 38 #include <rte_kvargs.h> 39 40 #include "base/nicvf_plat.h" 41 42 #include "nicvf_ethdev.h" 43 #include "nicvf_rxtx.h" 44 #include "nicvf_svf.h" 45 #include "nicvf_logs.h" 46 47 int nicvf_logtype_mbox; 48 int nicvf_logtype_init; 49 int nicvf_logtype_driver; 50 51 static void nicvf_dev_stop(struct rte_eth_dev *dev); 52 static void nicvf_dev_stop_cleanup(struct rte_eth_dev *dev, bool cleanup); 53 static void nicvf_vf_stop(struct rte_eth_dev *dev, struct nicvf *nic, 54 bool cleanup); 55 static int nicvf_vlan_offload_config(struct rte_eth_dev *dev, int mask); 56 static int nicvf_vlan_offload_set(struct rte_eth_dev *dev, int mask); 57 58 RTE_INIT(nicvf_init_log) 59 { 60 nicvf_logtype_mbox = rte_log_register("pmd.net.thunderx.mbox"); 61 if (nicvf_logtype_mbox >= 0) 62 rte_log_set_level(nicvf_logtype_mbox, RTE_LOG_NOTICE); 63 64 nicvf_logtype_init = rte_log_register("pmd.net.thunderx.init"); 65 if (nicvf_logtype_init >= 0) 66 rte_log_set_level(nicvf_logtype_init, RTE_LOG_NOTICE); 67 68 nicvf_logtype_driver = rte_log_register("pmd.net.thunderx.driver"); 69 if (nicvf_logtype_driver >= 0) 70 rte_log_set_level(nicvf_logtype_driver, RTE_LOG_NOTICE); 71 } 72 73 static void 74 nicvf_link_status_update(struct nicvf *nic, 75 struct rte_eth_link *link) 76 { 77 memset(link, 0, sizeof(*link)); 78 79 link->link_status = nic->link_up ? ETH_LINK_UP : ETH_LINK_DOWN; 80 81 if (nic->duplex == NICVF_HALF_DUPLEX) 82 link->link_duplex = ETH_LINK_HALF_DUPLEX; 83 else if (nic->duplex == NICVF_FULL_DUPLEX) 84 link->link_duplex = ETH_LINK_FULL_DUPLEX; 85 link->link_speed = nic->speed; 86 link->link_autoneg = ETH_LINK_AUTONEG; 87 } 88 89 static void 90 nicvf_interrupt(void *arg) 91 { 92 struct rte_eth_dev *dev = arg; 93 struct nicvf *nic = nicvf_pmd_priv(dev); 94 struct rte_eth_link link; 95 96 if (nicvf_reg_poll_interrupts(nic) == NIC_MBOX_MSG_BGX_LINK_CHANGE) { 97 if (dev->data->dev_conf.intr_conf.lsc) { 98 nicvf_link_status_update(nic, &link); 99 rte_eth_linkstatus_set(dev, &link); 100 101 _rte_eth_dev_callback_process(dev, 102 RTE_ETH_EVENT_INTR_LSC, 103 NULL); 104 } 105 } 106 107 rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000, 108 nicvf_interrupt, dev); 109 } 110 111 static void 112 nicvf_vf_interrupt(void *arg) 113 { 114 struct nicvf *nic = arg; 115 116 nicvf_reg_poll_interrupts(nic); 117 118 rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000, 119 nicvf_vf_interrupt, nic); 120 } 121 122 static int 123 nicvf_periodic_alarm_start(void (fn)(void *), void *arg) 124 { 125 return rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000, fn, arg); 126 } 127 128 static int 129 nicvf_periodic_alarm_stop(void (fn)(void *), void *arg) 130 { 131 return rte_eal_alarm_cancel(fn, arg); 132 } 133 134 /* 135 * Return 0 means link status changed, -1 means not changed 136 */ 137 static int 138 nicvf_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 139 { 140 #define CHECK_INTERVAL 100 /* 100ms */ 141 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 142 struct rte_eth_link link; 143 struct nicvf *nic = nicvf_pmd_priv(dev); 144 int i; 145 146 PMD_INIT_FUNC_TRACE(); 147 148 if (wait_to_complete) { 149 /* rte_eth_link_get() might need to wait up to 9 seconds */ 150 for (i = 0; i < MAX_CHECK_TIME; i++) { 151 nicvf_link_status_update(nic, &link); 152 if (link.link_status == ETH_LINK_UP) 153 break; 154 rte_delay_ms(CHECK_INTERVAL); 155 } 156 } else { 157 nicvf_link_status_update(nic, &link); 158 } 159 160 return rte_eth_linkstatus_set(dev, &link); 161 } 162 163 static int 164 nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) 165 { 166 struct nicvf *nic = nicvf_pmd_priv(dev); 167 uint32_t buffsz, frame_size = mtu + NIC_HW_L2_OVERHEAD; 168 size_t i; 169 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; 170 171 PMD_INIT_FUNC_TRACE(); 172 173 if (frame_size > NIC_HW_MAX_FRS) 174 return -EINVAL; 175 176 if (frame_size < NIC_HW_MIN_FRS) 177 return -EINVAL; 178 179 buffsz = dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM; 180 181 /* 182 * Refuse mtu that requires the support of scattered packets 183 * when this feature has not been enabled before. 184 */ 185 if (dev->data->dev_started && !dev->data->scattered_rx && 186 (frame_size + 2 * VLAN_TAG_SIZE > buffsz)) 187 return -EINVAL; 188 189 /* check <seg size> * <max_seg> >= max_frame */ 190 if (dev->data->scattered_rx && 191 (frame_size + 2 * VLAN_TAG_SIZE > buffsz * NIC_HW_MAX_SEGS)) 192 return -EINVAL; 193 194 if (frame_size > RTE_ETHER_MAX_LEN) 195 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; 196 else 197 rxmode->offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME; 198 199 if (nicvf_mbox_update_hw_max_frs(nic, mtu)) 200 return -EINVAL; 201 202 /* Update max_rx_pkt_len */ 203 rxmode->max_rx_pkt_len = mtu + RTE_ETHER_HDR_LEN; 204 nic->mtu = mtu; 205 206 for (i = 0; i < nic->sqs_count; i++) 207 nic->snicvf[i]->mtu = mtu; 208 209 return 0; 210 } 211 212 static int 213 nicvf_dev_get_regs(struct rte_eth_dev *dev, struct rte_dev_reg_info *regs) 214 { 215 uint64_t *data = regs->data; 216 struct nicvf *nic = nicvf_pmd_priv(dev); 217 218 if (data == NULL) { 219 regs->length = nicvf_reg_get_count(); 220 regs->width = THUNDERX_REG_BYTES; 221 return 0; 222 } 223 224 /* Support only full register dump */ 225 if ((regs->length == 0) || 226 (regs->length == (uint32_t)nicvf_reg_get_count())) { 227 regs->version = nic->vendor_id << 16 | nic->device_id; 228 nicvf_reg_dump(nic, data); 229 return 0; 230 } 231 return -ENOTSUP; 232 } 233 234 static int 235 nicvf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 236 { 237 uint16_t qidx; 238 struct nicvf_hw_rx_qstats rx_qstats; 239 struct nicvf_hw_tx_qstats tx_qstats; 240 struct nicvf_hw_stats port_stats; 241 struct nicvf *nic = nicvf_pmd_priv(dev); 242 uint16_t rx_start, rx_end; 243 uint16_t tx_start, tx_end; 244 size_t i; 245 246 /* RX queue indices for the first VF */ 247 nicvf_rx_range(dev, nic, &rx_start, &rx_end); 248 249 /* Reading per RX ring stats */ 250 for (qidx = rx_start; qidx <= rx_end; qidx++) { 251 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS) 252 break; 253 254 nicvf_hw_get_rx_qstats(nic, &rx_qstats, qidx); 255 stats->q_ibytes[qidx] = rx_qstats.q_rx_bytes; 256 stats->q_ipackets[qidx] = rx_qstats.q_rx_packets; 257 } 258 259 /* TX queue indices for the first VF */ 260 nicvf_tx_range(dev, nic, &tx_start, &tx_end); 261 262 /* Reading per TX ring stats */ 263 for (qidx = tx_start; qidx <= tx_end; qidx++) { 264 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS) 265 break; 266 267 nicvf_hw_get_tx_qstats(nic, &tx_qstats, qidx); 268 stats->q_obytes[qidx] = tx_qstats.q_tx_bytes; 269 stats->q_opackets[qidx] = tx_qstats.q_tx_packets; 270 } 271 272 for (i = 0; i < nic->sqs_count; i++) { 273 struct nicvf *snic = nic->snicvf[i]; 274 275 if (snic == NULL) 276 break; 277 278 /* RX queue indices for a secondary VF */ 279 nicvf_rx_range(dev, snic, &rx_start, &rx_end); 280 281 /* Reading per RX ring stats */ 282 for (qidx = rx_start; qidx <= rx_end; qidx++) { 283 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS) 284 break; 285 286 nicvf_hw_get_rx_qstats(snic, &rx_qstats, 287 qidx % MAX_RCV_QUEUES_PER_QS); 288 stats->q_ibytes[qidx] = rx_qstats.q_rx_bytes; 289 stats->q_ipackets[qidx] = rx_qstats.q_rx_packets; 290 } 291 292 /* TX queue indices for a secondary VF */ 293 nicvf_tx_range(dev, snic, &tx_start, &tx_end); 294 /* Reading per TX ring stats */ 295 for (qidx = tx_start; qidx <= tx_end; qidx++) { 296 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS) 297 break; 298 299 nicvf_hw_get_tx_qstats(snic, &tx_qstats, 300 qidx % MAX_SND_QUEUES_PER_QS); 301 stats->q_obytes[qidx] = tx_qstats.q_tx_bytes; 302 stats->q_opackets[qidx] = tx_qstats.q_tx_packets; 303 } 304 } 305 306 nicvf_hw_get_stats(nic, &port_stats); 307 stats->ibytes = port_stats.rx_bytes; 308 stats->ipackets = port_stats.rx_ucast_frames; 309 stats->ipackets += port_stats.rx_bcast_frames; 310 stats->ipackets += port_stats.rx_mcast_frames; 311 stats->ierrors = port_stats.rx_l2_errors; 312 stats->imissed = port_stats.rx_drop_red; 313 stats->imissed += port_stats.rx_drop_overrun; 314 stats->imissed += port_stats.rx_drop_bcast; 315 stats->imissed += port_stats.rx_drop_mcast; 316 stats->imissed += port_stats.rx_drop_l3_bcast; 317 stats->imissed += port_stats.rx_drop_l3_mcast; 318 319 stats->obytes = port_stats.tx_bytes_ok; 320 stats->opackets = port_stats.tx_ucast_frames_ok; 321 stats->opackets += port_stats.tx_bcast_frames_ok; 322 stats->opackets += port_stats.tx_mcast_frames_ok; 323 stats->oerrors = port_stats.tx_drops; 324 325 return 0; 326 } 327 328 static const uint32_t * 329 nicvf_dev_supported_ptypes_get(struct rte_eth_dev *dev) 330 { 331 size_t copied; 332 static uint32_t ptypes[32]; 333 struct nicvf *nic = nicvf_pmd_priv(dev); 334 static const uint32_t ptypes_common[] = { 335 RTE_PTYPE_L3_IPV4, 336 RTE_PTYPE_L3_IPV4_EXT, 337 RTE_PTYPE_L3_IPV6, 338 RTE_PTYPE_L3_IPV6_EXT, 339 RTE_PTYPE_L4_TCP, 340 RTE_PTYPE_L4_UDP, 341 RTE_PTYPE_L4_FRAG, 342 }; 343 static const uint32_t ptypes_tunnel[] = { 344 RTE_PTYPE_TUNNEL_GRE, 345 RTE_PTYPE_TUNNEL_GENEVE, 346 RTE_PTYPE_TUNNEL_VXLAN, 347 RTE_PTYPE_TUNNEL_NVGRE, 348 }; 349 static const uint32_t ptypes_end = RTE_PTYPE_UNKNOWN; 350 351 copied = sizeof(ptypes_common); 352 memcpy(ptypes, ptypes_common, copied); 353 if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) { 354 memcpy((char *)ptypes + copied, ptypes_tunnel, 355 sizeof(ptypes_tunnel)); 356 copied += sizeof(ptypes_tunnel); 357 } 358 359 memcpy((char *)ptypes + copied, &ptypes_end, sizeof(ptypes_end)); 360 361 /* All Ptypes are supported in all Rx functions. */ 362 return ptypes; 363 } 364 365 static void 366 nicvf_dev_stats_reset(struct rte_eth_dev *dev) 367 { 368 int i; 369 uint16_t rxqs = 0, txqs = 0; 370 struct nicvf *nic = nicvf_pmd_priv(dev); 371 uint16_t rx_start, rx_end; 372 uint16_t tx_start, tx_end; 373 374 /* Reset all primary nic counters */ 375 nicvf_rx_range(dev, nic, &rx_start, &rx_end); 376 for (i = rx_start; i <= rx_end; i++) 377 rxqs |= (0x3 << (i * 2)); 378 379 nicvf_tx_range(dev, nic, &tx_start, &tx_end); 380 for (i = tx_start; i <= tx_end; i++) 381 txqs |= (0x3 << (i * 2)); 382 383 nicvf_mbox_reset_stat_counters(nic, 0x3FFF, 0x1F, rxqs, txqs); 384 385 /* Reset secondary nic queue counters */ 386 for (i = 0; i < nic->sqs_count; i++) { 387 struct nicvf *snic = nic->snicvf[i]; 388 if (snic == NULL) 389 break; 390 391 nicvf_rx_range(dev, snic, &rx_start, &rx_end); 392 for (i = rx_start; i <= rx_end; i++) 393 rxqs |= (0x3 << ((i % MAX_CMP_QUEUES_PER_QS) * 2)); 394 395 nicvf_tx_range(dev, snic, &tx_start, &tx_end); 396 for (i = tx_start; i <= tx_end; i++) 397 txqs |= (0x3 << ((i % MAX_SND_QUEUES_PER_QS) * 2)); 398 399 nicvf_mbox_reset_stat_counters(snic, 0, 0, rxqs, txqs); 400 } 401 } 402 403 /* Promiscuous mode enabled by default in LMAC to VF 1:1 map configuration */ 404 static void 405 nicvf_dev_promisc_enable(struct rte_eth_dev *dev __rte_unused) 406 { 407 } 408 409 static inline uint64_t 410 nicvf_rss_ethdev_to_nic(struct nicvf *nic, uint64_t ethdev_rss) 411 { 412 uint64_t nic_rss = 0; 413 414 if (ethdev_rss & ETH_RSS_IPV4) 415 nic_rss |= RSS_IP_ENA; 416 417 if (ethdev_rss & ETH_RSS_IPV6) 418 nic_rss |= RSS_IP_ENA; 419 420 if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_UDP) 421 nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA); 422 423 if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_TCP) 424 nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA); 425 426 if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_UDP) 427 nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA); 428 429 if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_TCP) 430 nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA); 431 432 if (ethdev_rss & ETH_RSS_PORT) 433 nic_rss |= RSS_L2_EXTENDED_HASH_ENA; 434 435 if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) { 436 if (ethdev_rss & ETH_RSS_VXLAN) 437 nic_rss |= RSS_TUN_VXLAN_ENA; 438 439 if (ethdev_rss & ETH_RSS_GENEVE) 440 nic_rss |= RSS_TUN_GENEVE_ENA; 441 442 if (ethdev_rss & ETH_RSS_NVGRE) 443 nic_rss |= RSS_TUN_NVGRE_ENA; 444 } 445 446 return nic_rss; 447 } 448 449 static inline uint64_t 450 nicvf_rss_nic_to_ethdev(struct nicvf *nic, uint64_t nic_rss) 451 { 452 uint64_t ethdev_rss = 0; 453 454 if (nic_rss & RSS_IP_ENA) 455 ethdev_rss |= (ETH_RSS_IPV4 | ETH_RSS_IPV6); 456 457 if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_TCP_ENA)) 458 ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_TCP | 459 ETH_RSS_NONFRAG_IPV6_TCP); 460 461 if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_UDP_ENA)) 462 ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_UDP | 463 ETH_RSS_NONFRAG_IPV6_UDP); 464 465 if (nic_rss & RSS_L2_EXTENDED_HASH_ENA) 466 ethdev_rss |= ETH_RSS_PORT; 467 468 if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) { 469 if (nic_rss & RSS_TUN_VXLAN_ENA) 470 ethdev_rss |= ETH_RSS_VXLAN; 471 472 if (nic_rss & RSS_TUN_GENEVE_ENA) 473 ethdev_rss |= ETH_RSS_GENEVE; 474 475 if (nic_rss & RSS_TUN_NVGRE_ENA) 476 ethdev_rss |= ETH_RSS_NVGRE; 477 } 478 return ethdev_rss; 479 } 480 481 static int 482 nicvf_dev_reta_query(struct rte_eth_dev *dev, 483 struct rte_eth_rss_reta_entry64 *reta_conf, 484 uint16_t reta_size) 485 { 486 struct nicvf *nic = nicvf_pmd_priv(dev); 487 uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE]; 488 int ret, i, j; 489 490 if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) { 491 RTE_LOG(ERR, PMD, "The size of hash lookup table configured " 492 "(%d) doesn't match the number hardware can supported " 493 "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE); 494 return -EINVAL; 495 } 496 497 ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE); 498 if (ret) 499 return ret; 500 501 /* Copy RETA table */ 502 for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) { 503 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) 504 if ((reta_conf[i].mask >> j) & 0x01) 505 reta_conf[i].reta[j] = tbl[j]; 506 } 507 508 return 0; 509 } 510 511 static int 512 nicvf_dev_reta_update(struct rte_eth_dev *dev, 513 struct rte_eth_rss_reta_entry64 *reta_conf, 514 uint16_t reta_size) 515 { 516 struct nicvf *nic = nicvf_pmd_priv(dev); 517 uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE]; 518 int ret, i, j; 519 520 if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) { 521 RTE_LOG(ERR, PMD, "The size of hash lookup table configured " 522 "(%d) doesn't match the number hardware can supported " 523 "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE); 524 return -EINVAL; 525 } 526 527 ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE); 528 if (ret) 529 return ret; 530 531 /* Copy RETA table */ 532 for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) { 533 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) 534 if ((reta_conf[i].mask >> j) & 0x01) 535 tbl[j] = reta_conf[i].reta[j]; 536 } 537 538 return nicvf_rss_reta_update(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE); 539 } 540 541 static int 542 nicvf_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 543 struct rte_eth_rss_conf *rss_conf) 544 { 545 struct nicvf *nic = nicvf_pmd_priv(dev); 546 547 if (rss_conf->rss_key) 548 nicvf_rss_get_key(nic, rss_conf->rss_key); 549 550 rss_conf->rss_key_len = RSS_HASH_KEY_BYTE_SIZE; 551 rss_conf->rss_hf = nicvf_rss_nic_to_ethdev(nic, nicvf_rss_get_cfg(nic)); 552 return 0; 553 } 554 555 static int 556 nicvf_dev_rss_hash_update(struct rte_eth_dev *dev, 557 struct rte_eth_rss_conf *rss_conf) 558 { 559 struct nicvf *nic = nicvf_pmd_priv(dev); 560 uint64_t nic_rss; 561 562 if (rss_conf->rss_key && 563 rss_conf->rss_key_len != RSS_HASH_KEY_BYTE_SIZE) { 564 RTE_LOG(ERR, PMD, "Hash key size mismatch %d", 565 rss_conf->rss_key_len); 566 return -EINVAL; 567 } 568 569 if (rss_conf->rss_key) 570 nicvf_rss_set_key(nic, rss_conf->rss_key); 571 572 nic_rss = nicvf_rss_ethdev_to_nic(nic, rss_conf->rss_hf); 573 nicvf_rss_set_cfg(nic, nic_rss); 574 return 0; 575 } 576 577 static int 578 nicvf_qset_cq_alloc(struct rte_eth_dev *dev, struct nicvf *nic, 579 struct nicvf_rxq *rxq, uint16_t qidx, uint32_t desc_cnt) 580 { 581 const struct rte_memzone *rz; 582 uint32_t ring_size = CMP_QUEUE_SZ_MAX * sizeof(union cq_entry_t); 583 584 rz = rte_eth_dma_zone_reserve(dev, "cq_ring", 585 nicvf_netdev_qidx(nic, qidx), ring_size, 586 NICVF_CQ_BASE_ALIGN_BYTES, nic->node); 587 if (rz == NULL) { 588 PMD_INIT_LOG(ERR, "Failed to allocate mem for cq hw ring"); 589 return -ENOMEM; 590 } 591 592 memset(rz->addr, 0, ring_size); 593 594 rxq->phys = rz->iova; 595 rxq->desc = rz->addr; 596 rxq->qlen_mask = desc_cnt - 1; 597 598 return 0; 599 } 600 601 static int 602 nicvf_qset_sq_alloc(struct rte_eth_dev *dev, struct nicvf *nic, 603 struct nicvf_txq *sq, uint16_t qidx, uint32_t desc_cnt) 604 { 605 const struct rte_memzone *rz; 606 uint32_t ring_size = SND_QUEUE_SZ_MAX * sizeof(union sq_entry_t); 607 608 rz = rte_eth_dma_zone_reserve(dev, "sq", 609 nicvf_netdev_qidx(nic, qidx), ring_size, 610 NICVF_SQ_BASE_ALIGN_BYTES, nic->node); 611 if (rz == NULL) { 612 PMD_INIT_LOG(ERR, "Failed allocate mem for sq hw ring"); 613 return -ENOMEM; 614 } 615 616 memset(rz->addr, 0, ring_size); 617 618 sq->phys = rz->iova; 619 sq->desc = rz->addr; 620 sq->qlen_mask = desc_cnt - 1; 621 622 return 0; 623 } 624 625 static int 626 nicvf_qset_rbdr_alloc(struct rte_eth_dev *dev, struct nicvf *nic, 627 uint32_t desc_cnt, uint32_t buffsz) 628 { 629 struct nicvf_rbdr *rbdr; 630 const struct rte_memzone *rz; 631 uint32_t ring_size; 632 633 assert(nic->rbdr == NULL); 634 rbdr = rte_zmalloc_socket("rbdr", sizeof(struct nicvf_rbdr), 635 RTE_CACHE_LINE_SIZE, nic->node); 636 if (rbdr == NULL) { 637 PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr"); 638 return -ENOMEM; 639 } 640 641 ring_size = sizeof(struct rbdr_entry_t) * RBDR_QUEUE_SZ_MAX; 642 rz = rte_eth_dma_zone_reserve(dev, "rbdr", 643 nicvf_netdev_qidx(nic, 0), ring_size, 644 NICVF_RBDR_BASE_ALIGN_BYTES, nic->node); 645 if (rz == NULL) { 646 PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr desc ring"); 647 return -ENOMEM; 648 } 649 650 memset(rz->addr, 0, ring_size); 651 652 rbdr->phys = rz->iova; 653 rbdr->tail = 0; 654 rbdr->next_tail = 0; 655 rbdr->desc = rz->addr; 656 rbdr->buffsz = buffsz; 657 rbdr->qlen_mask = desc_cnt - 1; 658 rbdr->rbdr_status = 659 nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_STATUS0; 660 rbdr->rbdr_door = 661 nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_DOOR; 662 663 nic->rbdr = rbdr; 664 return 0; 665 } 666 667 static void 668 nicvf_rbdr_release_mbuf(struct rte_eth_dev *dev, struct nicvf *nic, 669 nicvf_iova_addr_t phy) 670 { 671 uint16_t qidx; 672 void *obj; 673 struct nicvf_rxq *rxq; 674 uint16_t rx_start, rx_end; 675 676 /* Get queue ranges for this VF */ 677 nicvf_rx_range(dev, nic, &rx_start, &rx_end); 678 679 for (qidx = rx_start; qidx <= rx_end; qidx++) { 680 rxq = dev->data->rx_queues[qidx]; 681 if (rxq->precharge_cnt) { 682 obj = (void *)nicvf_mbuff_phy2virt(phy, 683 rxq->mbuf_phys_off); 684 rte_mempool_put(rxq->pool, obj); 685 rxq->precharge_cnt--; 686 break; 687 } 688 } 689 } 690 691 static inline void 692 nicvf_rbdr_release_mbufs(struct rte_eth_dev *dev, struct nicvf *nic) 693 { 694 uint32_t qlen_mask, head; 695 struct rbdr_entry_t *entry; 696 struct nicvf_rbdr *rbdr = nic->rbdr; 697 698 qlen_mask = rbdr->qlen_mask; 699 head = rbdr->head; 700 while (head != rbdr->tail) { 701 entry = rbdr->desc + head; 702 nicvf_rbdr_release_mbuf(dev, nic, entry->full_addr); 703 head++; 704 head = head & qlen_mask; 705 } 706 } 707 708 static inline void 709 nicvf_tx_queue_release_mbufs(struct nicvf_txq *txq) 710 { 711 uint32_t head; 712 713 head = txq->head; 714 while (head != txq->tail) { 715 if (txq->txbuffs[head]) { 716 rte_pktmbuf_free_seg(txq->txbuffs[head]); 717 txq->txbuffs[head] = NULL; 718 } 719 head++; 720 head = head & txq->qlen_mask; 721 } 722 } 723 724 static void 725 nicvf_tx_queue_reset(struct nicvf_txq *txq) 726 { 727 uint32_t txq_desc_cnt = txq->qlen_mask + 1; 728 729 memset(txq->desc, 0, sizeof(union sq_entry_t) * txq_desc_cnt); 730 memset(txq->txbuffs, 0, sizeof(struct rte_mbuf *) * txq_desc_cnt); 731 txq->tail = 0; 732 txq->head = 0; 733 txq->xmit_bufs = 0; 734 } 735 736 static inline int 737 nicvf_vf_start_tx_queue(struct rte_eth_dev *dev, struct nicvf *nic, 738 uint16_t qidx) 739 { 740 struct nicvf_txq *txq; 741 int ret; 742 743 assert(qidx < MAX_SND_QUEUES_PER_QS); 744 745 if (dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] == 746 RTE_ETH_QUEUE_STATE_STARTED) 747 return 0; 748 749 txq = dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)]; 750 txq->pool = NULL; 751 ret = nicvf_qset_sq_config(nic, qidx, txq); 752 if (ret) { 753 PMD_INIT_LOG(ERR, "Failed to configure sq VF%d %d %d", 754 nic->vf_id, qidx, ret); 755 goto config_sq_error; 756 } 757 758 dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] = 759 RTE_ETH_QUEUE_STATE_STARTED; 760 return ret; 761 762 config_sq_error: 763 nicvf_qset_sq_reclaim(nic, qidx); 764 return ret; 765 } 766 767 static inline int 768 nicvf_vf_stop_tx_queue(struct rte_eth_dev *dev, struct nicvf *nic, 769 uint16_t qidx) 770 { 771 struct nicvf_txq *txq; 772 int ret; 773 774 assert(qidx < MAX_SND_QUEUES_PER_QS); 775 776 if (dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] == 777 RTE_ETH_QUEUE_STATE_STOPPED) 778 return 0; 779 780 ret = nicvf_qset_sq_reclaim(nic, qidx); 781 if (ret) 782 PMD_INIT_LOG(ERR, "Failed to reclaim sq VF%d %d %d", 783 nic->vf_id, qidx, ret); 784 785 txq = dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)]; 786 nicvf_tx_queue_release_mbufs(txq); 787 nicvf_tx_queue_reset(txq); 788 789 dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] = 790 RTE_ETH_QUEUE_STATE_STOPPED; 791 return ret; 792 } 793 794 static inline int 795 nicvf_configure_cpi(struct rte_eth_dev *dev) 796 { 797 struct nicvf *nic = nicvf_pmd_priv(dev); 798 uint16_t qidx, qcnt; 799 int ret; 800 801 /* Count started rx queues */ 802 for (qidx = qcnt = 0; qidx < dev->data->nb_rx_queues; qidx++) 803 if (dev->data->rx_queue_state[qidx] == 804 RTE_ETH_QUEUE_STATE_STARTED) 805 qcnt++; 806 807 nic->cpi_alg = CPI_ALG_NONE; 808 ret = nicvf_mbox_config_cpi(nic, qcnt); 809 if (ret) 810 PMD_INIT_LOG(ERR, "Failed to configure CPI %d", ret); 811 812 return ret; 813 } 814 815 static inline int 816 nicvf_configure_rss(struct rte_eth_dev *dev) 817 { 818 struct nicvf *nic = nicvf_pmd_priv(dev); 819 uint64_t rsshf; 820 int ret = -EINVAL; 821 822 rsshf = nicvf_rss_ethdev_to_nic(nic, 823 dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf); 824 PMD_DRV_LOG(INFO, "mode=%d rx_queues=%d loopback=%d rsshf=0x%" PRIx64, 825 dev->data->dev_conf.rxmode.mq_mode, 826 dev->data->nb_rx_queues, 827 dev->data->dev_conf.lpbk_mode, rsshf); 828 829 if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_NONE) 830 ret = nicvf_rss_term(nic); 831 else if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS) 832 ret = nicvf_rss_config(nic, dev->data->nb_rx_queues, rsshf); 833 if (ret) 834 PMD_INIT_LOG(ERR, "Failed to configure RSS %d", ret); 835 836 return ret; 837 } 838 839 static int 840 nicvf_configure_rss_reta(struct rte_eth_dev *dev) 841 { 842 struct nicvf *nic = nicvf_pmd_priv(dev); 843 unsigned int idx, qmap_size; 844 uint8_t qmap[RTE_MAX_QUEUES_PER_PORT]; 845 uint8_t default_reta[NIC_MAX_RSS_IDR_TBL_SIZE]; 846 847 if (nic->cpi_alg != CPI_ALG_NONE) 848 return -EINVAL; 849 850 /* Prepare queue map */ 851 for (idx = 0, qmap_size = 0; idx < dev->data->nb_rx_queues; idx++) { 852 if (dev->data->rx_queue_state[idx] == 853 RTE_ETH_QUEUE_STATE_STARTED) 854 qmap[qmap_size++] = idx; 855 } 856 857 /* Update default RSS RETA */ 858 for (idx = 0; idx < NIC_MAX_RSS_IDR_TBL_SIZE; idx++) 859 default_reta[idx] = qmap[idx % qmap_size]; 860 861 return nicvf_rss_reta_update(nic, default_reta, 862 NIC_MAX_RSS_IDR_TBL_SIZE); 863 } 864 865 static void 866 nicvf_dev_tx_queue_release(void *sq) 867 { 868 struct nicvf_txq *txq; 869 870 PMD_INIT_FUNC_TRACE(); 871 872 txq = (struct nicvf_txq *)sq; 873 if (txq) { 874 if (txq->txbuffs != NULL) { 875 nicvf_tx_queue_release_mbufs(txq); 876 rte_free(txq->txbuffs); 877 txq->txbuffs = NULL; 878 } 879 rte_free(txq); 880 } 881 } 882 883 static void 884 nicvf_set_tx_function(struct rte_eth_dev *dev) 885 { 886 struct nicvf_txq *txq = NULL; 887 size_t i; 888 bool multiseg = false; 889 890 for (i = 0; i < dev->data->nb_tx_queues; i++) { 891 txq = dev->data->tx_queues[i]; 892 if (txq->offloads & DEV_TX_OFFLOAD_MULTI_SEGS) { 893 multiseg = true; 894 break; 895 } 896 } 897 898 /* Use a simple Tx queue (no offloads, no multi segs) if possible */ 899 if (multiseg) { 900 PMD_DRV_LOG(DEBUG, "Using multi-segment tx callback"); 901 dev->tx_pkt_burst = nicvf_xmit_pkts_multiseg; 902 } else { 903 PMD_DRV_LOG(DEBUG, "Using single-segment tx callback"); 904 dev->tx_pkt_burst = nicvf_xmit_pkts; 905 } 906 907 if (!txq) 908 return; 909 910 if (txq->pool_free == nicvf_single_pool_free_xmited_buffers) 911 PMD_DRV_LOG(DEBUG, "Using single-mempool tx free method"); 912 else 913 PMD_DRV_LOG(DEBUG, "Using multi-mempool tx free method"); 914 } 915 916 static void 917 nicvf_set_rx_function(struct rte_eth_dev *dev) 918 { 919 struct nicvf *nic = nicvf_pmd_priv(dev); 920 921 const eth_rx_burst_t rx_burst_func[2][2][2] = { 922 /* [NORMAL/SCATTER] [CKSUM/NO_CKSUM] [VLAN_STRIP/NO_VLAN_STRIP] */ 923 [0][0][0] = nicvf_recv_pkts_no_offload, 924 [0][0][1] = nicvf_recv_pkts_vlan_strip, 925 [0][1][0] = nicvf_recv_pkts_cksum, 926 [0][1][1] = nicvf_recv_pkts_cksum_vlan_strip, 927 [1][0][0] = nicvf_recv_pkts_multiseg_no_offload, 928 [1][0][1] = nicvf_recv_pkts_multiseg_vlan_strip, 929 [1][1][0] = nicvf_recv_pkts_multiseg_cksum, 930 [1][1][1] = nicvf_recv_pkts_multiseg_cksum_vlan_strip, 931 }; 932 933 dev->rx_pkt_burst = 934 rx_burst_func[dev->data->scattered_rx] 935 [nic->offload_cksum][nic->vlan_strip]; 936 } 937 938 static int 939 nicvf_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx, 940 uint16_t nb_desc, unsigned int socket_id, 941 const struct rte_eth_txconf *tx_conf) 942 { 943 uint16_t tx_free_thresh; 944 bool is_single_pool; 945 struct nicvf_txq *txq; 946 struct nicvf *nic = nicvf_pmd_priv(dev); 947 uint64_t offloads; 948 949 PMD_INIT_FUNC_TRACE(); 950 951 if (qidx >= MAX_SND_QUEUES_PER_QS) 952 nic = nic->snicvf[qidx / MAX_SND_QUEUES_PER_QS - 1]; 953 954 qidx = qidx % MAX_SND_QUEUES_PER_QS; 955 956 /* Socket id check */ 957 if (socket_id != (unsigned int)SOCKET_ID_ANY && socket_id != nic->node) 958 PMD_DRV_LOG(WARNING, "socket_id expected %d, configured %d", 959 socket_id, nic->node); 960 961 /* Tx deferred start is not supported */ 962 if (tx_conf->tx_deferred_start) { 963 PMD_INIT_LOG(ERR, "Tx deferred start not supported"); 964 return -EINVAL; 965 } 966 967 /* Roundup nb_desc to available qsize and validate max number of desc */ 968 nb_desc = nicvf_qsize_sq_roundup(nb_desc); 969 if (nb_desc == 0) { 970 PMD_INIT_LOG(ERR, "Value of nb_desc beyond available sq qsize"); 971 return -EINVAL; 972 } 973 974 /* Validate tx_free_thresh */ 975 tx_free_thresh = (uint16_t)((tx_conf->tx_free_thresh) ? 976 tx_conf->tx_free_thresh : 977 NICVF_DEFAULT_TX_FREE_THRESH); 978 979 if (tx_free_thresh > (nb_desc) || 980 tx_free_thresh > NICVF_MAX_TX_FREE_THRESH) { 981 PMD_INIT_LOG(ERR, 982 "tx_free_thresh must be less than the number of TX " 983 "descriptors. (tx_free_thresh=%u port=%d " 984 "queue=%d)", (unsigned int)tx_free_thresh, 985 (int)dev->data->port_id, (int)qidx); 986 return -EINVAL; 987 } 988 989 /* Free memory prior to re-allocation if needed. */ 990 if (dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)] != NULL) { 991 PMD_TX_LOG(DEBUG, "Freeing memory prior to re-allocation %d", 992 nicvf_netdev_qidx(nic, qidx)); 993 nicvf_dev_tx_queue_release( 994 dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)]); 995 dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)] = NULL; 996 } 997 998 /* Allocating tx queue data structure */ 999 txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct nicvf_txq), 1000 RTE_CACHE_LINE_SIZE, nic->node); 1001 if (txq == NULL) { 1002 PMD_INIT_LOG(ERR, "Failed to allocate txq=%d", 1003 nicvf_netdev_qidx(nic, qidx)); 1004 return -ENOMEM; 1005 } 1006 1007 txq->nic = nic; 1008 txq->queue_id = qidx; 1009 txq->tx_free_thresh = tx_free_thresh; 1010 txq->sq_head = nicvf_qset_base(nic, qidx) + NIC_QSET_SQ_0_7_HEAD; 1011 txq->sq_door = nicvf_qset_base(nic, qidx) + NIC_QSET_SQ_0_7_DOOR; 1012 offloads = tx_conf->offloads | dev->data->dev_conf.txmode.offloads; 1013 txq->offloads = offloads; 1014 1015 is_single_pool = !!(offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE); 1016 1017 /* Choose optimum free threshold value for multipool case */ 1018 if (!is_single_pool) { 1019 txq->tx_free_thresh = (uint16_t) 1020 (tx_conf->tx_free_thresh == NICVF_DEFAULT_TX_FREE_THRESH ? 1021 NICVF_TX_FREE_MPOOL_THRESH : 1022 tx_conf->tx_free_thresh); 1023 txq->pool_free = nicvf_multi_pool_free_xmited_buffers; 1024 } else { 1025 txq->pool_free = nicvf_single_pool_free_xmited_buffers; 1026 } 1027 1028 /* Allocate software ring */ 1029 txq->txbuffs = rte_zmalloc_socket("txq->txbuffs", 1030 nb_desc * sizeof(struct rte_mbuf *), 1031 RTE_CACHE_LINE_SIZE, nic->node); 1032 1033 if (txq->txbuffs == NULL) { 1034 nicvf_dev_tx_queue_release(txq); 1035 return -ENOMEM; 1036 } 1037 1038 if (nicvf_qset_sq_alloc(dev, nic, txq, qidx, nb_desc)) { 1039 PMD_INIT_LOG(ERR, "Failed to allocate mem for sq %d", qidx); 1040 nicvf_dev_tx_queue_release(txq); 1041 return -ENOMEM; 1042 } 1043 1044 nicvf_tx_queue_reset(txq); 1045 1046 PMD_INIT_LOG(DEBUG, "[%d] txq=%p nb_desc=%d desc=%p" 1047 " phys=0x%" PRIx64 " offloads=0x%" PRIx64, 1048 nicvf_netdev_qidx(nic, qidx), txq, nb_desc, txq->desc, 1049 txq->phys, txq->offloads); 1050 1051 dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)] = txq; 1052 dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] = 1053 RTE_ETH_QUEUE_STATE_STOPPED; 1054 return 0; 1055 } 1056 1057 static inline void 1058 nicvf_rx_queue_release_mbufs(struct rte_eth_dev *dev, struct nicvf_rxq *rxq) 1059 { 1060 uint32_t rxq_cnt; 1061 uint32_t nb_pkts, released_pkts = 0; 1062 uint32_t refill_cnt = 0; 1063 struct rte_mbuf *rx_pkts[NICVF_MAX_RX_FREE_THRESH]; 1064 1065 if (dev->rx_pkt_burst == NULL) 1066 return; 1067 1068 while ((rxq_cnt = nicvf_dev_rx_queue_count(dev, 1069 nicvf_netdev_qidx(rxq->nic, rxq->queue_id)))) { 1070 nb_pkts = dev->rx_pkt_burst(rxq, rx_pkts, 1071 NICVF_MAX_RX_FREE_THRESH); 1072 PMD_DRV_LOG(INFO, "nb_pkts=%d rxq_cnt=%d", nb_pkts, rxq_cnt); 1073 while (nb_pkts) { 1074 rte_pktmbuf_free_seg(rx_pkts[--nb_pkts]); 1075 released_pkts++; 1076 } 1077 } 1078 1079 1080 refill_cnt += nicvf_dev_rbdr_refill(dev, 1081 nicvf_netdev_qidx(rxq->nic, rxq->queue_id)); 1082 1083 PMD_DRV_LOG(INFO, "free_cnt=%d refill_cnt=%d", 1084 released_pkts, refill_cnt); 1085 } 1086 1087 static void 1088 nicvf_rx_queue_reset(struct nicvf_rxq *rxq) 1089 { 1090 rxq->head = 0; 1091 rxq->available_space = 0; 1092 rxq->recv_buffers = 0; 1093 } 1094 1095 static inline int 1096 nicvf_vf_start_rx_queue(struct rte_eth_dev *dev, struct nicvf *nic, 1097 uint16_t qidx) 1098 { 1099 struct nicvf_rxq *rxq; 1100 int ret; 1101 1102 assert(qidx < MAX_RCV_QUEUES_PER_QS); 1103 1104 if (dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] == 1105 RTE_ETH_QUEUE_STATE_STARTED) 1106 return 0; 1107 1108 /* Update rbdr pointer to all rxq */ 1109 rxq = dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)]; 1110 rxq->shared_rbdr = nic->rbdr; 1111 1112 ret = nicvf_qset_rq_config(nic, qidx, rxq); 1113 if (ret) { 1114 PMD_INIT_LOG(ERR, "Failed to configure rq VF%d %d %d", 1115 nic->vf_id, qidx, ret); 1116 goto config_rq_error; 1117 } 1118 ret = nicvf_qset_cq_config(nic, qidx, rxq); 1119 if (ret) { 1120 PMD_INIT_LOG(ERR, "Failed to configure cq VF%d %d %d", 1121 nic->vf_id, qidx, ret); 1122 goto config_cq_error; 1123 } 1124 1125 dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] = 1126 RTE_ETH_QUEUE_STATE_STARTED; 1127 return 0; 1128 1129 config_cq_error: 1130 nicvf_qset_cq_reclaim(nic, qidx); 1131 config_rq_error: 1132 nicvf_qset_rq_reclaim(nic, qidx); 1133 return ret; 1134 } 1135 1136 static inline int 1137 nicvf_vf_stop_rx_queue(struct rte_eth_dev *dev, struct nicvf *nic, 1138 uint16_t qidx) 1139 { 1140 struct nicvf_rxq *rxq; 1141 int ret, other_error; 1142 1143 if (dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] == 1144 RTE_ETH_QUEUE_STATE_STOPPED) 1145 return 0; 1146 1147 ret = nicvf_qset_rq_reclaim(nic, qidx); 1148 if (ret) 1149 PMD_INIT_LOG(ERR, "Failed to reclaim rq VF%d %d %d", 1150 nic->vf_id, qidx, ret); 1151 1152 other_error = ret; 1153 rxq = dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)]; 1154 nicvf_rx_queue_release_mbufs(dev, rxq); 1155 nicvf_rx_queue_reset(rxq); 1156 1157 ret = nicvf_qset_cq_reclaim(nic, qidx); 1158 if (ret) 1159 PMD_INIT_LOG(ERR, "Failed to reclaim cq VF%d %d %d", 1160 nic->vf_id, qidx, ret); 1161 1162 other_error |= ret; 1163 dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] = 1164 RTE_ETH_QUEUE_STATE_STOPPED; 1165 return other_error; 1166 } 1167 1168 static void 1169 nicvf_dev_rx_queue_release(void *rx_queue) 1170 { 1171 PMD_INIT_FUNC_TRACE(); 1172 1173 rte_free(rx_queue); 1174 } 1175 1176 static int 1177 nicvf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t qidx) 1178 { 1179 struct nicvf *nic = nicvf_pmd_priv(dev); 1180 int ret; 1181 1182 if (qidx >= MAX_RCV_QUEUES_PER_QS) 1183 nic = nic->snicvf[(qidx / MAX_RCV_QUEUES_PER_QS - 1)]; 1184 1185 qidx = qidx % MAX_RCV_QUEUES_PER_QS; 1186 1187 ret = nicvf_vf_start_rx_queue(dev, nic, qidx); 1188 if (ret) 1189 return ret; 1190 1191 ret = nicvf_configure_cpi(dev); 1192 if (ret) 1193 return ret; 1194 1195 return nicvf_configure_rss_reta(dev); 1196 } 1197 1198 static int 1199 nicvf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx) 1200 { 1201 int ret; 1202 struct nicvf *nic = nicvf_pmd_priv(dev); 1203 1204 if (qidx >= MAX_SND_QUEUES_PER_QS) 1205 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)]; 1206 1207 qidx = qidx % MAX_RCV_QUEUES_PER_QS; 1208 1209 ret = nicvf_vf_stop_rx_queue(dev, nic, qidx); 1210 ret |= nicvf_configure_cpi(dev); 1211 ret |= nicvf_configure_rss_reta(dev); 1212 return ret; 1213 } 1214 1215 static int 1216 nicvf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx) 1217 { 1218 struct nicvf *nic = nicvf_pmd_priv(dev); 1219 1220 if (qidx >= MAX_SND_QUEUES_PER_QS) 1221 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)]; 1222 1223 qidx = qidx % MAX_SND_QUEUES_PER_QS; 1224 1225 return nicvf_vf_start_tx_queue(dev, nic, qidx); 1226 } 1227 1228 static int 1229 nicvf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx) 1230 { 1231 struct nicvf *nic = nicvf_pmd_priv(dev); 1232 1233 if (qidx >= MAX_SND_QUEUES_PER_QS) 1234 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)]; 1235 1236 qidx = qidx % MAX_SND_QUEUES_PER_QS; 1237 1238 return nicvf_vf_stop_tx_queue(dev, nic, qidx); 1239 } 1240 1241 static inline void 1242 nicvf_rxq_mbuf_setup(struct nicvf_rxq *rxq) 1243 { 1244 uintptr_t p; 1245 struct rte_mbuf mb_def; 1246 struct nicvf *nic = rxq->nic; 1247 1248 RTE_BUILD_BUG_ON(sizeof(union mbuf_initializer) != 8); 1249 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) % 8 != 0); 1250 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, refcnt) - 1251 offsetof(struct rte_mbuf, data_off) != 2); 1252 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, nb_segs) - 1253 offsetof(struct rte_mbuf, data_off) != 4); 1254 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, port) - 1255 offsetof(struct rte_mbuf, data_off) != 6); 1256 RTE_BUILD_BUG_ON(offsetof(struct nicvf_rxq, rxq_fastpath_data_end) - 1257 offsetof(struct nicvf_rxq, 1258 rxq_fastpath_data_start) > 128); 1259 mb_def.nb_segs = 1; 1260 mb_def.data_off = RTE_PKTMBUF_HEADROOM + (nic->skip_bytes); 1261 mb_def.port = rxq->port_id; 1262 rte_mbuf_refcnt_set(&mb_def, 1); 1263 1264 /* Prevent compiler reordering: rearm_data covers previous fields */ 1265 rte_compiler_barrier(); 1266 p = (uintptr_t)&mb_def.rearm_data; 1267 rxq->mbuf_initializer.value = *(uint64_t *)p; 1268 } 1269 1270 static int 1271 nicvf_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx, 1272 uint16_t nb_desc, unsigned int socket_id, 1273 const struct rte_eth_rxconf *rx_conf, 1274 struct rte_mempool *mp) 1275 { 1276 uint16_t rx_free_thresh; 1277 struct nicvf_rxq *rxq; 1278 struct nicvf *nic = nicvf_pmd_priv(dev); 1279 uint64_t offloads; 1280 uint32_t buffsz; 1281 struct rte_pktmbuf_pool_private *mbp_priv; 1282 1283 PMD_INIT_FUNC_TRACE(); 1284 1285 /* First skip check */ 1286 mbp_priv = rte_mempool_get_priv(mp); 1287 buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM; 1288 if (buffsz < (uint32_t)(nic->skip_bytes)) { 1289 PMD_INIT_LOG(ERR, "First skip is more than configured buffer size"); 1290 return -EINVAL; 1291 } 1292 1293 if (qidx >= MAX_RCV_QUEUES_PER_QS) 1294 nic = nic->snicvf[qidx / MAX_RCV_QUEUES_PER_QS - 1]; 1295 1296 qidx = qidx % MAX_RCV_QUEUES_PER_QS; 1297 1298 /* Socket id check */ 1299 if (socket_id != (unsigned int)SOCKET_ID_ANY && socket_id != nic->node) 1300 PMD_DRV_LOG(WARNING, "socket_id expected %d, configured %d", 1301 socket_id, nic->node); 1302 1303 /* Mempool memory must be contiguous, so must be one memory segment*/ 1304 if (mp->nb_mem_chunks != 1) { 1305 PMD_INIT_LOG(ERR, "Non-contiguous mempool, add more huge pages"); 1306 return -EINVAL; 1307 } 1308 1309 /* Mempool memory must be physically contiguous */ 1310 if (mp->flags & MEMPOOL_F_NO_IOVA_CONTIG) { 1311 PMD_INIT_LOG(ERR, "Mempool memory must be physically contiguous"); 1312 return -EINVAL; 1313 } 1314 1315 /* Rx deferred start is not supported */ 1316 if (rx_conf->rx_deferred_start) { 1317 PMD_INIT_LOG(ERR, "Rx deferred start not supported"); 1318 return -EINVAL; 1319 } 1320 1321 /* Roundup nb_desc to available qsize and validate max number of desc */ 1322 nb_desc = nicvf_qsize_cq_roundup(nb_desc); 1323 if (nb_desc == 0) { 1324 PMD_INIT_LOG(ERR, "Value nb_desc beyond available hw cq qsize"); 1325 return -EINVAL; 1326 } 1327 1328 1329 /* Check rx_free_thresh upper bound */ 1330 rx_free_thresh = (uint16_t)((rx_conf->rx_free_thresh) ? 1331 rx_conf->rx_free_thresh : 1332 NICVF_DEFAULT_RX_FREE_THRESH); 1333 if (rx_free_thresh > NICVF_MAX_RX_FREE_THRESH || 1334 rx_free_thresh >= nb_desc * .75) { 1335 PMD_INIT_LOG(ERR, "rx_free_thresh greater than expected %d", 1336 rx_free_thresh); 1337 return -EINVAL; 1338 } 1339 1340 /* Free memory prior to re-allocation if needed */ 1341 if (dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] != NULL) { 1342 PMD_RX_LOG(DEBUG, "Freeing memory prior to re-allocation %d", 1343 nicvf_netdev_qidx(nic, qidx)); 1344 nicvf_dev_rx_queue_release( 1345 dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)]); 1346 dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] = NULL; 1347 } 1348 1349 /* Allocate rxq memory */ 1350 rxq = rte_zmalloc_socket("ethdev rx queue", sizeof(struct nicvf_rxq), 1351 RTE_CACHE_LINE_SIZE, nic->node); 1352 if (rxq == NULL) { 1353 PMD_INIT_LOG(ERR, "Failed to allocate rxq=%d", 1354 nicvf_netdev_qidx(nic, qidx)); 1355 return -ENOMEM; 1356 } 1357 1358 rxq->nic = nic; 1359 rxq->pool = mp; 1360 rxq->queue_id = qidx; 1361 rxq->port_id = dev->data->port_id; 1362 rxq->rx_free_thresh = rx_free_thresh; 1363 rxq->rx_drop_en = rx_conf->rx_drop_en; 1364 rxq->cq_status = nicvf_qset_base(nic, qidx) + NIC_QSET_CQ_0_7_STATUS; 1365 rxq->cq_door = nicvf_qset_base(nic, qidx) + NIC_QSET_CQ_0_7_DOOR; 1366 rxq->precharge_cnt = 0; 1367 1368 if (nicvf_hw_cap(nic) & NICVF_CAP_CQE_RX2) 1369 rxq->rbptr_offset = NICVF_CQE_RX2_RBPTR_WORD; 1370 else 1371 rxq->rbptr_offset = NICVF_CQE_RBPTR_WORD; 1372 1373 nicvf_rxq_mbuf_setup(rxq); 1374 1375 /* Alloc completion queue */ 1376 if (nicvf_qset_cq_alloc(dev, nic, rxq, rxq->queue_id, nb_desc)) { 1377 PMD_INIT_LOG(ERR, "failed to allocate cq %u", rxq->queue_id); 1378 nicvf_dev_rx_queue_release(rxq); 1379 return -ENOMEM; 1380 } 1381 1382 nicvf_rx_queue_reset(rxq); 1383 1384 offloads = rx_conf->offloads | dev->data->dev_conf.rxmode.offloads; 1385 PMD_INIT_LOG(DEBUG, "[%d] rxq=%p pool=%s nb_desc=(%d/%d)" 1386 " phy=0x%" PRIx64 " offloads=0x%" PRIx64, 1387 nicvf_netdev_qidx(nic, qidx), rxq, mp->name, nb_desc, 1388 rte_mempool_avail_count(mp), rxq->phys, offloads); 1389 1390 dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] = rxq; 1391 dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] = 1392 RTE_ETH_QUEUE_STATE_STOPPED; 1393 return 0; 1394 } 1395 1396 static int 1397 nicvf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) 1398 { 1399 struct nicvf *nic = nicvf_pmd_priv(dev); 1400 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 1401 1402 PMD_INIT_FUNC_TRACE(); 1403 1404 /* Autonegotiation may be disabled */ 1405 dev_info->speed_capa = ETH_LINK_SPEED_FIXED; 1406 dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M | 1407 ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G; 1408 if (nicvf_hw_version(nic) != PCI_SUB_DEVICE_ID_CN81XX_NICVF) 1409 dev_info->speed_capa |= ETH_LINK_SPEED_40G; 1410 1411 dev_info->min_rx_bufsize = RTE_ETHER_MIN_MTU; 1412 dev_info->max_rx_pktlen = NIC_HW_MAX_MTU + RTE_ETHER_HDR_LEN; 1413 dev_info->max_rx_queues = 1414 (uint16_t)MAX_RCV_QUEUES_PER_QS * (MAX_SQS_PER_VF + 1); 1415 dev_info->max_tx_queues = 1416 (uint16_t)MAX_SND_QUEUES_PER_QS * (MAX_SQS_PER_VF + 1); 1417 dev_info->max_mac_addrs = 1; 1418 dev_info->max_vfs = pci_dev->max_vfs; 1419 1420 dev_info->rx_offload_capa = NICVF_RX_OFFLOAD_CAPA; 1421 dev_info->tx_offload_capa = NICVF_TX_OFFLOAD_CAPA; 1422 dev_info->rx_queue_offload_capa = NICVF_RX_OFFLOAD_CAPA; 1423 dev_info->tx_queue_offload_capa = NICVF_TX_OFFLOAD_CAPA; 1424 1425 dev_info->reta_size = nic->rss_info.rss_size; 1426 dev_info->hash_key_size = RSS_HASH_KEY_BYTE_SIZE; 1427 dev_info->flow_type_rss_offloads = NICVF_RSS_OFFLOAD_PASS1; 1428 if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) 1429 dev_info->flow_type_rss_offloads |= NICVF_RSS_OFFLOAD_TUNNEL; 1430 1431 dev_info->default_rxconf = (struct rte_eth_rxconf) { 1432 .rx_free_thresh = NICVF_DEFAULT_RX_FREE_THRESH, 1433 .rx_drop_en = 0, 1434 }; 1435 1436 dev_info->default_txconf = (struct rte_eth_txconf) { 1437 .tx_free_thresh = NICVF_DEFAULT_TX_FREE_THRESH, 1438 .offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE | 1439 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM | 1440 DEV_TX_OFFLOAD_UDP_CKSUM | 1441 DEV_TX_OFFLOAD_TCP_CKSUM, 1442 }; 1443 1444 return 0; 1445 } 1446 1447 static nicvf_iova_addr_t 1448 rbdr_rte_mempool_get(void *dev, void *opaque) 1449 { 1450 uint16_t qidx; 1451 uintptr_t mbuf; 1452 struct nicvf_rxq *rxq; 1453 struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)dev; 1454 struct nicvf *nic = (struct nicvf *)opaque; 1455 uint16_t rx_start, rx_end; 1456 1457 /* Get queue ranges for this VF */ 1458 nicvf_rx_range(eth_dev, nic, &rx_start, &rx_end); 1459 1460 for (qidx = rx_start; qidx <= rx_end; qidx++) { 1461 rxq = eth_dev->data->rx_queues[qidx]; 1462 /* Maintain equal buffer count across all pools */ 1463 if (rxq->precharge_cnt >= rxq->qlen_mask) 1464 continue; 1465 rxq->precharge_cnt++; 1466 mbuf = (uintptr_t)rte_pktmbuf_alloc(rxq->pool); 1467 if (mbuf) 1468 return nicvf_mbuff_virt2phy(mbuf, rxq->mbuf_phys_off); 1469 } 1470 return 0; 1471 } 1472 1473 static int 1474 nicvf_vf_start(struct rte_eth_dev *dev, struct nicvf *nic, uint32_t rbdrsz) 1475 { 1476 int ret; 1477 uint16_t qidx, data_off; 1478 uint32_t total_rxq_desc, nb_rbdr_desc, exp_buffs; 1479 uint64_t mbuf_phys_off = 0; 1480 struct nicvf_rxq *rxq; 1481 struct rte_mbuf *mbuf; 1482 uint16_t rx_start, rx_end; 1483 uint16_t tx_start, tx_end; 1484 int mask; 1485 1486 PMD_INIT_FUNC_TRACE(); 1487 1488 /* Userspace process exited without proper shutdown in last run */ 1489 if (nicvf_qset_rbdr_active(nic, 0)) 1490 nicvf_vf_stop(dev, nic, false); 1491 1492 /* Get queue ranges for this VF */ 1493 nicvf_rx_range(dev, nic, &rx_start, &rx_end); 1494 1495 /* 1496 * Thunderx nicvf PMD can support more than one pool per port only when 1497 * 1) Data payload size is same across all the pools in given port 1498 * AND 1499 * 2) All mbuffs in the pools are from the same hugepage 1500 * AND 1501 * 3) Mbuff metadata size is same across all the pools in given port 1502 * 1503 * This is to support existing application that uses multiple pool/port. 1504 * But, the purpose of using multipool for QoS will not be addressed. 1505 * 1506 */ 1507 1508 /* Validate mempool attributes */ 1509 for (qidx = rx_start; qidx <= rx_end; qidx++) { 1510 rxq = dev->data->rx_queues[qidx]; 1511 rxq->mbuf_phys_off = nicvf_mempool_phy_offset(rxq->pool); 1512 mbuf = rte_pktmbuf_alloc(rxq->pool); 1513 if (mbuf == NULL) { 1514 PMD_INIT_LOG(ERR, "Failed allocate mbuf VF%d qid=%d " 1515 "pool=%s", 1516 nic->vf_id, qidx, rxq->pool->name); 1517 return -ENOMEM; 1518 } 1519 data_off = nicvf_mbuff_meta_length(mbuf); 1520 data_off += RTE_PKTMBUF_HEADROOM; 1521 rte_pktmbuf_free(mbuf); 1522 1523 if (data_off % RTE_CACHE_LINE_SIZE) { 1524 PMD_INIT_LOG(ERR, "%s: unaligned data_off=%d delta=%d", 1525 rxq->pool->name, data_off, 1526 data_off % RTE_CACHE_LINE_SIZE); 1527 return -EINVAL; 1528 } 1529 rxq->mbuf_phys_off -= data_off; 1530 rxq->mbuf_phys_off -= nic->skip_bytes; 1531 1532 if (mbuf_phys_off == 0) 1533 mbuf_phys_off = rxq->mbuf_phys_off; 1534 if (mbuf_phys_off != rxq->mbuf_phys_off) { 1535 PMD_INIT_LOG(ERR, "pool params not same,%s VF%d %" 1536 PRIx64, rxq->pool->name, nic->vf_id, 1537 mbuf_phys_off); 1538 return -EINVAL; 1539 } 1540 } 1541 1542 /* Check the level of buffers in the pool */ 1543 total_rxq_desc = 0; 1544 for (qidx = rx_start; qidx <= rx_end; qidx++) { 1545 rxq = dev->data->rx_queues[qidx]; 1546 /* Count total numbers of rxq descs */ 1547 total_rxq_desc += rxq->qlen_mask + 1; 1548 exp_buffs = RTE_MEMPOOL_CACHE_MAX_SIZE + rxq->rx_free_thresh; 1549 exp_buffs *= dev->data->nb_rx_queues; 1550 if (rte_mempool_avail_count(rxq->pool) < exp_buffs) { 1551 PMD_INIT_LOG(ERR, "Buff shortage in pool=%s (%d/%d)", 1552 rxq->pool->name, 1553 rte_mempool_avail_count(rxq->pool), 1554 exp_buffs); 1555 return -ENOENT; 1556 } 1557 } 1558 1559 /* Check RBDR desc overflow */ 1560 ret = nicvf_qsize_rbdr_roundup(total_rxq_desc); 1561 if (ret == 0) { 1562 PMD_INIT_LOG(ERR, "Reached RBDR desc limit, reduce nr desc " 1563 "VF%d", nic->vf_id); 1564 return -ENOMEM; 1565 } 1566 1567 /* Enable qset */ 1568 ret = nicvf_qset_config(nic); 1569 if (ret) { 1570 PMD_INIT_LOG(ERR, "Failed to enable qset %d VF%d", ret, 1571 nic->vf_id); 1572 return ret; 1573 } 1574 1575 /* Allocate RBDR and RBDR ring desc */ 1576 nb_rbdr_desc = nicvf_qsize_rbdr_roundup(total_rxq_desc); 1577 ret = nicvf_qset_rbdr_alloc(dev, nic, nb_rbdr_desc, rbdrsz); 1578 if (ret) { 1579 PMD_INIT_LOG(ERR, "Failed to allocate memory for rbdr alloc " 1580 "VF%d", nic->vf_id); 1581 goto qset_reclaim; 1582 } 1583 1584 /* Enable and configure RBDR registers */ 1585 ret = nicvf_qset_rbdr_config(nic, 0); 1586 if (ret) { 1587 PMD_INIT_LOG(ERR, "Failed to configure rbdr %d VF%d", ret, 1588 nic->vf_id); 1589 goto qset_rbdr_free; 1590 } 1591 1592 /* Fill rte_mempool buffers in RBDR pool and precharge it */ 1593 ret = nicvf_qset_rbdr_precharge(dev, nic, 0, rbdr_rte_mempool_get, 1594 total_rxq_desc); 1595 if (ret) { 1596 PMD_INIT_LOG(ERR, "Failed to fill rbdr %d VF%d", ret, 1597 nic->vf_id); 1598 goto qset_rbdr_reclaim; 1599 } 1600 1601 PMD_DRV_LOG(INFO, "Filled %d out of %d entries in RBDR VF%d", 1602 nic->rbdr->tail, nb_rbdr_desc, nic->vf_id); 1603 1604 /* Configure VLAN Strip */ 1605 mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK | 1606 ETH_VLAN_EXTEND_MASK; 1607 ret = nicvf_vlan_offload_config(dev, mask); 1608 1609 /* Based on the packet type(IPv4 or IPv6), the nicvf HW aligns L3 data 1610 * to the 64bit memory address. 1611 * The alignment creates a hole in mbuf(between the end of headroom and 1612 * packet data start). The new revision of the HW provides an option to 1613 * disable the L3 alignment feature and make mbuf layout looks 1614 * more like other NICs. For better application compatibility, disabling 1615 * l3 alignment feature on the hardware revisions it supports 1616 */ 1617 nicvf_apad_config(nic, false); 1618 1619 /* Get queue ranges for this VF */ 1620 nicvf_tx_range(dev, nic, &tx_start, &tx_end); 1621 1622 /* Configure TX queues */ 1623 for (qidx = tx_start; qidx <= tx_end; qidx++) { 1624 ret = nicvf_vf_start_tx_queue(dev, nic, 1625 qidx % MAX_SND_QUEUES_PER_QS); 1626 if (ret) 1627 goto start_txq_error; 1628 } 1629 1630 /* Configure RX queues */ 1631 for (qidx = rx_start; qidx <= rx_end; qidx++) { 1632 ret = nicvf_vf_start_rx_queue(dev, nic, 1633 qidx % MAX_RCV_QUEUES_PER_QS); 1634 if (ret) 1635 goto start_rxq_error; 1636 } 1637 1638 if (!nic->sqs_mode) { 1639 /* Configure CPI algorithm */ 1640 ret = nicvf_configure_cpi(dev); 1641 if (ret) 1642 goto start_txq_error; 1643 1644 ret = nicvf_mbox_get_rss_size(nic); 1645 if (ret) { 1646 PMD_INIT_LOG(ERR, "Failed to get rss table size"); 1647 goto qset_rss_error; 1648 } 1649 1650 /* Configure RSS */ 1651 ret = nicvf_configure_rss(dev); 1652 if (ret) 1653 goto qset_rss_error; 1654 } 1655 1656 /* Done; Let PF make the BGX's RX and TX switches to ON position */ 1657 nicvf_mbox_cfg_done(nic); 1658 return 0; 1659 1660 qset_rss_error: 1661 nicvf_rss_term(nic); 1662 start_rxq_error: 1663 for (qidx = rx_start; qidx <= rx_end; qidx++) 1664 nicvf_vf_stop_rx_queue(dev, nic, qidx % MAX_RCV_QUEUES_PER_QS); 1665 start_txq_error: 1666 for (qidx = tx_start; qidx <= tx_end; qidx++) 1667 nicvf_vf_stop_tx_queue(dev, nic, qidx % MAX_SND_QUEUES_PER_QS); 1668 qset_rbdr_reclaim: 1669 nicvf_qset_rbdr_reclaim(nic, 0); 1670 nicvf_rbdr_release_mbufs(dev, nic); 1671 qset_rbdr_free: 1672 if (nic->rbdr) { 1673 rte_free(nic->rbdr); 1674 nic->rbdr = NULL; 1675 } 1676 qset_reclaim: 1677 nicvf_qset_reclaim(nic); 1678 return ret; 1679 } 1680 1681 static int 1682 nicvf_dev_start(struct rte_eth_dev *dev) 1683 { 1684 uint16_t qidx; 1685 int ret; 1686 size_t i; 1687 struct nicvf *nic = nicvf_pmd_priv(dev); 1688 struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode; 1689 uint16_t mtu; 1690 uint32_t buffsz = 0, rbdrsz = 0; 1691 struct rte_pktmbuf_pool_private *mbp_priv; 1692 struct nicvf_rxq *rxq; 1693 1694 PMD_INIT_FUNC_TRACE(); 1695 1696 /* This function must be called for a primary device */ 1697 assert_primary(nic); 1698 1699 /* Validate RBDR buff size */ 1700 for (qidx = 0; qidx < dev->data->nb_rx_queues; qidx++) { 1701 rxq = dev->data->rx_queues[qidx]; 1702 mbp_priv = rte_mempool_get_priv(rxq->pool); 1703 buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM; 1704 if (buffsz % 128) { 1705 PMD_INIT_LOG(ERR, "rxbuf size must be multiply of 128"); 1706 return -EINVAL; 1707 } 1708 if (rbdrsz == 0) 1709 rbdrsz = buffsz; 1710 if (rbdrsz != buffsz) { 1711 PMD_INIT_LOG(ERR, "buffsz not same, qidx=%d (%d/%d)", 1712 qidx, rbdrsz, buffsz); 1713 return -EINVAL; 1714 } 1715 } 1716 1717 /* Configure loopback */ 1718 ret = nicvf_loopback_config(nic, dev->data->dev_conf.lpbk_mode); 1719 if (ret) { 1720 PMD_INIT_LOG(ERR, "Failed to configure loopback %d", ret); 1721 return ret; 1722 } 1723 1724 /* Reset all statistics counters attached to this port */ 1725 ret = nicvf_mbox_reset_stat_counters(nic, 0x3FFF, 0x1F, 0xFFFF, 0xFFFF); 1726 if (ret) { 1727 PMD_INIT_LOG(ERR, "Failed to reset stat counters %d", ret); 1728 return ret; 1729 } 1730 1731 /* Setup scatter mode if needed by jumbo */ 1732 if (dev->data->dev_conf.rxmode.max_rx_pkt_len + 1733 2 * VLAN_TAG_SIZE > buffsz) 1734 dev->data->scattered_rx = 1; 1735 if ((rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER) != 0) 1736 dev->data->scattered_rx = 1; 1737 1738 /* Setup MTU based on max_rx_pkt_len or default */ 1739 mtu = dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME ? 1740 dev->data->dev_conf.rxmode.max_rx_pkt_len 1741 - RTE_ETHER_HDR_LEN : RTE_ETHER_MTU; 1742 1743 if (nicvf_dev_set_mtu(dev, mtu)) { 1744 PMD_INIT_LOG(ERR, "Failed to set default mtu size"); 1745 return -EBUSY; 1746 } 1747 1748 ret = nicvf_vf_start(dev, nic, rbdrsz); 1749 if (ret != 0) 1750 return ret; 1751 1752 for (i = 0; i < nic->sqs_count; i++) { 1753 assert(nic->snicvf[i]); 1754 1755 ret = nicvf_vf_start(dev, nic->snicvf[i], rbdrsz); 1756 if (ret != 0) 1757 return ret; 1758 } 1759 1760 /* Configure callbacks based on offloads */ 1761 nicvf_set_tx_function(dev); 1762 nicvf_set_rx_function(dev); 1763 1764 return 0; 1765 } 1766 1767 static void 1768 nicvf_dev_stop_cleanup(struct rte_eth_dev *dev, bool cleanup) 1769 { 1770 size_t i; 1771 int ret; 1772 struct nicvf *nic = nicvf_pmd_priv(dev); 1773 1774 PMD_INIT_FUNC_TRACE(); 1775 1776 /* Teardown secondary vf first */ 1777 for (i = 0; i < nic->sqs_count; i++) { 1778 if (!nic->snicvf[i]) 1779 continue; 1780 1781 nicvf_vf_stop(dev, nic->snicvf[i], cleanup); 1782 } 1783 1784 /* Stop the primary VF now */ 1785 nicvf_vf_stop(dev, nic, cleanup); 1786 1787 /* Disable loopback */ 1788 ret = nicvf_loopback_config(nic, 0); 1789 if (ret) 1790 PMD_INIT_LOG(ERR, "Failed to disable loopback %d", ret); 1791 1792 /* Reclaim CPI configuration */ 1793 ret = nicvf_mbox_config_cpi(nic, 0); 1794 if (ret) 1795 PMD_INIT_LOG(ERR, "Failed to reclaim CPI config %d", ret); 1796 } 1797 1798 static void 1799 nicvf_dev_stop(struct rte_eth_dev *dev) 1800 { 1801 PMD_INIT_FUNC_TRACE(); 1802 1803 nicvf_dev_stop_cleanup(dev, false); 1804 } 1805 1806 static void 1807 nicvf_vf_stop(struct rte_eth_dev *dev, struct nicvf *nic, bool cleanup) 1808 { 1809 int ret; 1810 uint16_t qidx; 1811 uint16_t tx_start, tx_end; 1812 uint16_t rx_start, rx_end; 1813 1814 PMD_INIT_FUNC_TRACE(); 1815 1816 if (cleanup) { 1817 /* Let PF make the BGX's RX and TX switches to OFF position */ 1818 nicvf_mbox_shutdown(nic); 1819 } 1820 1821 /* Disable VLAN Strip */ 1822 nicvf_vlan_hw_strip(nic, 0); 1823 1824 /* Get queue ranges for this VF */ 1825 nicvf_tx_range(dev, nic, &tx_start, &tx_end); 1826 1827 for (qidx = tx_start; qidx <= tx_end; qidx++) 1828 nicvf_vf_stop_tx_queue(dev, nic, qidx % MAX_SND_QUEUES_PER_QS); 1829 1830 /* Get queue ranges for this VF */ 1831 nicvf_rx_range(dev, nic, &rx_start, &rx_end); 1832 1833 /* Reclaim rq */ 1834 for (qidx = rx_start; qidx <= rx_end; qidx++) 1835 nicvf_vf_stop_rx_queue(dev, nic, qidx % MAX_RCV_QUEUES_PER_QS); 1836 1837 /* Reclaim RBDR */ 1838 ret = nicvf_qset_rbdr_reclaim(nic, 0); 1839 if (ret) 1840 PMD_INIT_LOG(ERR, "Failed to reclaim RBDR %d", ret); 1841 1842 /* Move all charged buffers in RBDR back to pool */ 1843 if (nic->rbdr != NULL) 1844 nicvf_rbdr_release_mbufs(dev, nic); 1845 1846 /* Disable qset */ 1847 ret = nicvf_qset_reclaim(nic); 1848 if (ret) 1849 PMD_INIT_LOG(ERR, "Failed to disable qset %d", ret); 1850 1851 /* Disable all interrupts */ 1852 nicvf_disable_all_interrupts(nic); 1853 1854 /* Free RBDR SW structure */ 1855 if (nic->rbdr) { 1856 rte_free(nic->rbdr); 1857 nic->rbdr = NULL; 1858 } 1859 } 1860 1861 static void 1862 nicvf_dev_close(struct rte_eth_dev *dev) 1863 { 1864 size_t i; 1865 struct nicvf *nic = nicvf_pmd_priv(dev); 1866 1867 PMD_INIT_FUNC_TRACE(); 1868 1869 nicvf_dev_stop_cleanup(dev, true); 1870 nicvf_periodic_alarm_stop(nicvf_interrupt, dev); 1871 1872 for (i = 0; i < nic->sqs_count; i++) { 1873 if (!nic->snicvf[i]) 1874 continue; 1875 1876 nicvf_periodic_alarm_stop(nicvf_vf_interrupt, nic->snicvf[i]); 1877 } 1878 } 1879 1880 static int 1881 nicvf_request_sqs(struct nicvf *nic) 1882 { 1883 size_t i; 1884 1885 assert_primary(nic); 1886 assert(nic->sqs_count > 0); 1887 assert(nic->sqs_count <= MAX_SQS_PER_VF); 1888 1889 /* Set no of Rx/Tx queues in each of the SQsets */ 1890 for (i = 0; i < nic->sqs_count; i++) { 1891 if (nicvf_svf_empty()) 1892 rte_panic("Cannot assign sufficient number of " 1893 "secondary queues to primary VF%" PRIu8 "\n", 1894 nic->vf_id); 1895 1896 nic->snicvf[i] = nicvf_svf_pop(); 1897 nic->snicvf[i]->sqs_id = i; 1898 } 1899 1900 return nicvf_mbox_request_sqs(nic); 1901 } 1902 1903 static int 1904 nicvf_dev_configure(struct rte_eth_dev *dev) 1905 { 1906 struct rte_eth_dev_data *data = dev->data; 1907 struct rte_eth_conf *conf = &data->dev_conf; 1908 struct rte_eth_rxmode *rxmode = &conf->rxmode; 1909 struct rte_eth_txmode *txmode = &conf->txmode; 1910 struct nicvf *nic = nicvf_pmd_priv(dev); 1911 uint8_t cqcount; 1912 1913 PMD_INIT_FUNC_TRACE(); 1914 1915 if (!rte_eal_has_hugepages()) { 1916 PMD_INIT_LOG(INFO, "Huge page is not configured"); 1917 return -EINVAL; 1918 } 1919 1920 if (txmode->mq_mode) { 1921 PMD_INIT_LOG(INFO, "Tx mq_mode DCB or VMDq not supported"); 1922 return -EINVAL; 1923 } 1924 1925 if (rxmode->mq_mode != ETH_MQ_RX_NONE && 1926 rxmode->mq_mode != ETH_MQ_RX_RSS) { 1927 PMD_INIT_LOG(INFO, "Unsupported rx qmode %d", rxmode->mq_mode); 1928 return -EINVAL; 1929 } 1930 1931 if (rxmode->split_hdr_size) { 1932 PMD_INIT_LOG(INFO, "Rxmode does not support split header"); 1933 return -EINVAL; 1934 } 1935 1936 if (conf->link_speeds & ETH_LINK_SPEED_FIXED) { 1937 PMD_INIT_LOG(INFO, "Setting link speed/duplex not supported"); 1938 return -EINVAL; 1939 } 1940 1941 if (conf->dcb_capability_en) { 1942 PMD_INIT_LOG(INFO, "DCB enable not supported"); 1943 return -EINVAL; 1944 } 1945 1946 if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) { 1947 PMD_INIT_LOG(INFO, "Flow director not supported"); 1948 return -EINVAL; 1949 } 1950 1951 assert_primary(nic); 1952 NICVF_STATIC_ASSERT(MAX_RCV_QUEUES_PER_QS == MAX_SND_QUEUES_PER_QS); 1953 cqcount = RTE_MAX(data->nb_tx_queues, data->nb_rx_queues); 1954 if (cqcount > MAX_RCV_QUEUES_PER_QS) { 1955 nic->sqs_count = RTE_ALIGN_CEIL(cqcount, MAX_RCV_QUEUES_PER_QS); 1956 nic->sqs_count = (nic->sqs_count / MAX_RCV_QUEUES_PER_QS) - 1; 1957 } else { 1958 nic->sqs_count = 0; 1959 } 1960 1961 assert(nic->sqs_count <= MAX_SQS_PER_VF); 1962 1963 if (nic->sqs_count > 0) { 1964 if (nicvf_request_sqs(nic)) { 1965 rte_panic("Cannot assign sufficient number of " 1966 "secondary queues to PORT%d VF%" PRIu8 "\n", 1967 dev->data->port_id, nic->vf_id); 1968 } 1969 } 1970 1971 if (rxmode->offloads & DEV_RX_OFFLOAD_CHECKSUM) 1972 nic->offload_cksum = 1; 1973 1974 PMD_INIT_LOG(DEBUG, "Configured ethdev port%d hwcap=0x%" PRIx64, 1975 dev->data->port_id, nicvf_hw_cap(nic)); 1976 1977 return 0; 1978 } 1979 1980 /* Initialize and register driver with DPDK Application */ 1981 static const struct eth_dev_ops nicvf_eth_dev_ops = { 1982 .dev_configure = nicvf_dev_configure, 1983 .dev_start = nicvf_dev_start, 1984 .dev_stop = nicvf_dev_stop, 1985 .link_update = nicvf_dev_link_update, 1986 .dev_close = nicvf_dev_close, 1987 .stats_get = nicvf_dev_stats_get, 1988 .stats_reset = nicvf_dev_stats_reset, 1989 .promiscuous_enable = nicvf_dev_promisc_enable, 1990 .dev_infos_get = nicvf_dev_info_get, 1991 .dev_supported_ptypes_get = nicvf_dev_supported_ptypes_get, 1992 .mtu_set = nicvf_dev_set_mtu, 1993 .vlan_offload_set = nicvf_vlan_offload_set, 1994 .reta_update = nicvf_dev_reta_update, 1995 .reta_query = nicvf_dev_reta_query, 1996 .rss_hash_update = nicvf_dev_rss_hash_update, 1997 .rss_hash_conf_get = nicvf_dev_rss_hash_conf_get, 1998 .rx_queue_start = nicvf_dev_rx_queue_start, 1999 .rx_queue_stop = nicvf_dev_rx_queue_stop, 2000 .tx_queue_start = nicvf_dev_tx_queue_start, 2001 .tx_queue_stop = nicvf_dev_tx_queue_stop, 2002 .rx_queue_setup = nicvf_dev_rx_queue_setup, 2003 .rx_queue_release = nicvf_dev_rx_queue_release, 2004 .rx_queue_count = nicvf_dev_rx_queue_count, 2005 .tx_queue_setup = nicvf_dev_tx_queue_setup, 2006 .tx_queue_release = nicvf_dev_tx_queue_release, 2007 .get_reg = nicvf_dev_get_regs, 2008 }; 2009 2010 static int 2011 nicvf_vlan_offload_config(struct rte_eth_dev *dev, int mask) 2012 { 2013 struct rte_eth_rxmode *rxmode; 2014 struct nicvf *nic = nicvf_pmd_priv(dev); 2015 rxmode = &dev->data->dev_conf.rxmode; 2016 if (mask & ETH_VLAN_STRIP_MASK) { 2017 if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP) 2018 nicvf_vlan_hw_strip(nic, true); 2019 else 2020 nicvf_vlan_hw_strip(nic, false); 2021 } 2022 2023 return 0; 2024 } 2025 2026 static int 2027 nicvf_vlan_offload_set(struct rte_eth_dev *dev, int mask) 2028 { 2029 nicvf_vlan_offload_config(dev, mask); 2030 2031 return 0; 2032 } 2033 2034 static inline int 2035 nicvf_set_first_skip(struct rte_eth_dev *dev) 2036 { 2037 int bytes_to_skip = 0; 2038 int ret = 0; 2039 unsigned int i; 2040 struct rte_kvargs *kvlist; 2041 static const char *const skip[] = { 2042 SKIP_DATA_BYTES, 2043 NULL}; 2044 struct nicvf *nic = nicvf_pmd_priv(dev); 2045 2046 if (!dev->device->devargs) { 2047 nicvf_first_skip_config(nic, 0); 2048 return ret; 2049 } 2050 2051 kvlist = rte_kvargs_parse(dev->device->devargs->args, skip); 2052 if (!kvlist) 2053 return -EINVAL; 2054 2055 if (kvlist->count == 0) 2056 goto exit; 2057 2058 for (i = 0; i != kvlist->count; ++i) { 2059 const struct rte_kvargs_pair *pair = &kvlist->pairs[i]; 2060 2061 if (!strcmp(pair->key, SKIP_DATA_BYTES)) 2062 bytes_to_skip = atoi(pair->value); 2063 } 2064 2065 /*128 bytes amounts to one cache line*/ 2066 if (bytes_to_skip >= 0 && bytes_to_skip < 128) { 2067 if (!(bytes_to_skip % 8)) { 2068 nicvf_first_skip_config(nic, (bytes_to_skip / 8)); 2069 nic->skip_bytes = bytes_to_skip; 2070 goto kvlist_free; 2071 } else { 2072 PMD_INIT_LOG(ERR, "skip_data_bytes should be multiple of 8"); 2073 ret = -EINVAL; 2074 goto exit; 2075 } 2076 } else { 2077 PMD_INIT_LOG(ERR, "skip_data_bytes should be less than 128"); 2078 ret = -EINVAL; 2079 goto exit; 2080 } 2081 exit: 2082 nicvf_first_skip_config(nic, 0); 2083 kvlist_free: 2084 rte_kvargs_free(kvlist); 2085 return ret; 2086 } 2087 static int 2088 nicvf_eth_dev_uninit(struct rte_eth_dev *dev) 2089 { 2090 PMD_INIT_FUNC_TRACE(); 2091 2092 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 2093 nicvf_dev_close(dev); 2094 2095 return 0; 2096 } 2097 static int 2098 nicvf_eth_dev_init(struct rte_eth_dev *eth_dev) 2099 { 2100 int ret; 2101 struct rte_pci_device *pci_dev; 2102 struct nicvf *nic = nicvf_pmd_priv(eth_dev); 2103 2104 PMD_INIT_FUNC_TRACE(); 2105 2106 eth_dev->dev_ops = &nicvf_eth_dev_ops; 2107 2108 /* For secondary processes, the primary has done all the work */ 2109 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 2110 if (nic) { 2111 /* Setup callbacks for secondary process */ 2112 nicvf_set_tx_function(eth_dev); 2113 nicvf_set_rx_function(eth_dev); 2114 return 0; 2115 } else { 2116 /* If nic == NULL than it is secondary function 2117 * so ethdev need to be released by caller */ 2118 return ENOTSUP; 2119 } 2120 } 2121 2122 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); 2123 rte_eth_copy_pci_info(eth_dev, pci_dev); 2124 2125 nic->device_id = pci_dev->id.device_id; 2126 nic->vendor_id = pci_dev->id.vendor_id; 2127 nic->subsystem_device_id = pci_dev->id.subsystem_device_id; 2128 nic->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id; 2129 2130 PMD_INIT_LOG(DEBUG, "nicvf: device (%x:%x) %u:%u:%u:%u", 2131 pci_dev->id.vendor_id, pci_dev->id.device_id, 2132 pci_dev->addr.domain, pci_dev->addr.bus, 2133 pci_dev->addr.devid, pci_dev->addr.function); 2134 2135 nic->reg_base = (uintptr_t)pci_dev->mem_resource[0].addr; 2136 if (!nic->reg_base) { 2137 PMD_INIT_LOG(ERR, "Failed to map BAR0"); 2138 ret = -ENODEV; 2139 goto fail; 2140 } 2141 2142 nicvf_disable_all_interrupts(nic); 2143 2144 ret = nicvf_periodic_alarm_start(nicvf_interrupt, eth_dev); 2145 if (ret) { 2146 PMD_INIT_LOG(ERR, "Failed to start period alarm"); 2147 goto fail; 2148 } 2149 2150 ret = nicvf_mbox_check_pf_ready(nic); 2151 if (ret) { 2152 PMD_INIT_LOG(ERR, "Failed to get ready message from PF"); 2153 goto alarm_fail; 2154 } else { 2155 PMD_INIT_LOG(INFO, 2156 "node=%d vf=%d mode=%s sqs=%s loopback_supported=%s", 2157 nic->node, nic->vf_id, 2158 nic->tns_mode == NIC_TNS_MODE ? "tns" : "tns-bypass", 2159 nic->sqs_mode ? "true" : "false", 2160 nic->loopback_supported ? "true" : "false" 2161 ); 2162 } 2163 2164 ret = nicvf_base_init(nic); 2165 if (ret) { 2166 PMD_INIT_LOG(ERR, "Failed to execute nicvf_base_init"); 2167 goto malloc_fail; 2168 } 2169 2170 if (nic->sqs_mode) { 2171 /* Push nic to stack of secondary vfs */ 2172 nicvf_svf_push(nic); 2173 2174 /* Steal nic pointer from the device for further reuse */ 2175 eth_dev->data->dev_private = NULL; 2176 2177 nicvf_periodic_alarm_stop(nicvf_interrupt, eth_dev); 2178 ret = nicvf_periodic_alarm_start(nicvf_vf_interrupt, nic); 2179 if (ret) { 2180 PMD_INIT_LOG(ERR, "Failed to start period alarm"); 2181 goto fail; 2182 } 2183 2184 /* Detach port by returning positive error number */ 2185 return ENOTSUP; 2186 } 2187 2188 eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", 2189 RTE_ETHER_ADDR_LEN, 0); 2190 if (eth_dev->data->mac_addrs == NULL) { 2191 PMD_INIT_LOG(ERR, "Failed to allocate memory for mac addr"); 2192 ret = -ENOMEM; 2193 goto alarm_fail; 2194 } 2195 if (rte_is_zero_ether_addr((struct rte_ether_addr *)nic->mac_addr)) 2196 rte_eth_random_addr(&nic->mac_addr[0]); 2197 2198 rte_ether_addr_copy((struct rte_ether_addr *)nic->mac_addr, 2199 ð_dev->data->mac_addrs[0]); 2200 2201 ret = nicvf_mbox_set_mac_addr(nic, nic->mac_addr); 2202 if (ret) { 2203 PMD_INIT_LOG(ERR, "Failed to set mac addr"); 2204 goto malloc_fail; 2205 } 2206 2207 ret = nicvf_set_first_skip(eth_dev); 2208 if (ret) { 2209 PMD_INIT_LOG(ERR, "Failed to configure first skip"); 2210 goto malloc_fail; 2211 } 2212 PMD_INIT_LOG(INFO, "Port %d (%x:%x) mac=%02x:%02x:%02x:%02x:%02x:%02x", 2213 eth_dev->data->port_id, nic->vendor_id, nic->device_id, 2214 nic->mac_addr[0], nic->mac_addr[1], nic->mac_addr[2], 2215 nic->mac_addr[3], nic->mac_addr[4], nic->mac_addr[5]); 2216 2217 return 0; 2218 2219 malloc_fail: 2220 rte_free(eth_dev->data->mac_addrs); 2221 eth_dev->data->mac_addrs = NULL; 2222 alarm_fail: 2223 nicvf_periodic_alarm_stop(nicvf_interrupt, eth_dev); 2224 fail: 2225 return ret; 2226 } 2227 2228 static const struct rte_pci_id pci_id_nicvf_map[] = { 2229 { 2230 .class_id = RTE_CLASS_ANY_ID, 2231 .vendor_id = PCI_VENDOR_ID_CAVIUM, 2232 .device_id = PCI_DEVICE_ID_THUNDERX_CN88XX_PASS1_NICVF, 2233 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM, 2234 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN88XX_PASS1_NICVF, 2235 }, 2236 { 2237 .class_id = RTE_CLASS_ANY_ID, 2238 .vendor_id = PCI_VENDOR_ID_CAVIUM, 2239 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF, 2240 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM, 2241 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN88XX_PASS2_NICVF, 2242 }, 2243 { 2244 .class_id = RTE_CLASS_ANY_ID, 2245 .vendor_id = PCI_VENDOR_ID_CAVIUM, 2246 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF, 2247 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM, 2248 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN81XX_NICVF, 2249 }, 2250 { 2251 .class_id = RTE_CLASS_ANY_ID, 2252 .vendor_id = PCI_VENDOR_ID_CAVIUM, 2253 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF, 2254 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM, 2255 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN83XX_NICVF, 2256 }, 2257 { 2258 .vendor_id = 0, 2259 }, 2260 }; 2261 2262 static int nicvf_eth_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 2263 struct rte_pci_device *pci_dev) 2264 { 2265 return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct nicvf), 2266 nicvf_eth_dev_init); 2267 } 2268 2269 static int nicvf_eth_pci_remove(struct rte_pci_device *pci_dev) 2270 { 2271 return rte_eth_dev_pci_generic_remove(pci_dev, nicvf_eth_dev_uninit); 2272 } 2273 2274 static struct rte_pci_driver rte_nicvf_pmd = { 2275 .id_table = pci_id_nicvf_map, 2276 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_KEEP_MAPPED_RES | 2277 RTE_PCI_DRV_INTR_LSC, 2278 .probe = nicvf_eth_pci_probe, 2279 .remove = nicvf_eth_pci_remove, 2280 }; 2281 2282 RTE_PMD_REGISTER_PCI(net_thunderx, rte_nicvf_pmd); 2283 RTE_PMD_REGISTER_PCI_TABLE(net_thunderx, pci_id_nicvf_map); 2284 RTE_PMD_REGISTER_KMOD_DEP(net_thunderx, "* igb_uio | uio_pci_generic | vfio-pci"); 2285 RTE_PMD_REGISTER_PARAM_STRING(net_thunderx, SKIP_DATA_BYTES "=<int>"); 2286