1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2017 Cavium, Inc 3 */ 4 5 #include <stdio.h> 6 #include <stdarg.h> 7 #include <stdbool.h> 8 #include <stdint.h> 9 #include <string.h> 10 #include <unistd.h> 11 12 #include <rte_alarm.h> 13 #include <rte_branch_prediction.h> 14 #include <rte_debug.h> 15 #include <rte_devargs.h> 16 #include <rte_dev.h> 17 #include <rte_kvargs.h> 18 #include <rte_malloc.h> 19 #include <rte_mbuf_pool_ops.h> 20 #include <rte_prefetch.h> 21 #include <rte_bus_vdev.h> 22 23 #include "octeontx_ethdev.h" 24 #include "octeontx_rxtx.h" 25 #include "octeontx_logs.h" 26 27 struct octeontx_vdev_init_params { 28 uint8_t nr_port; 29 }; 30 31 uint16_t 32 rte_octeontx_pchan_map[OCTEONTX_MAX_BGX_PORTS][OCTEONTX_MAX_LMAC_PER_BGX]; 33 34 enum octeontx_link_speed { 35 OCTEONTX_LINK_SPEED_SGMII, 36 OCTEONTX_LINK_SPEED_XAUI, 37 OCTEONTX_LINK_SPEED_RXAUI, 38 OCTEONTX_LINK_SPEED_10G_R, 39 OCTEONTX_LINK_SPEED_40G_R, 40 OCTEONTX_LINK_SPEED_RESERVE1, 41 OCTEONTX_LINK_SPEED_QSGMII, 42 OCTEONTX_LINK_SPEED_RESERVE2 43 }; 44 45 int otx_net_logtype_mbox; 46 int otx_net_logtype_init; 47 int otx_net_logtype_driver; 48 49 RTE_INIT(otx_net_init_log) 50 { 51 otx_net_logtype_mbox = rte_log_register("pmd.net.octeontx.mbox"); 52 if (otx_net_logtype_mbox >= 0) 53 rte_log_set_level(otx_net_logtype_mbox, RTE_LOG_NOTICE); 54 55 otx_net_logtype_init = rte_log_register("pmd.net.octeontx.init"); 56 if (otx_net_logtype_init >= 0) 57 rte_log_set_level(otx_net_logtype_init, RTE_LOG_NOTICE); 58 59 otx_net_logtype_driver = rte_log_register("pmd.net.octeontx.driver"); 60 if (otx_net_logtype_driver >= 0) 61 rte_log_set_level(otx_net_logtype_driver, RTE_LOG_NOTICE); 62 } 63 64 /* Parse integer from integer argument */ 65 static int 66 parse_integer_arg(const char *key __rte_unused, 67 const char *value, void *extra_args) 68 { 69 int *i = (int *)extra_args; 70 71 *i = atoi(value); 72 if (*i < 0) { 73 octeontx_log_err("argument has to be positive."); 74 return -1; 75 } 76 77 return 0; 78 } 79 80 static int 81 octeontx_parse_vdev_init_params(struct octeontx_vdev_init_params *params, 82 struct rte_vdev_device *dev) 83 { 84 struct rte_kvargs *kvlist = NULL; 85 int ret = 0; 86 87 static const char * const octeontx_vdev_valid_params[] = { 88 OCTEONTX_VDEV_NR_PORT_ARG, 89 NULL 90 }; 91 92 const char *input_args = rte_vdev_device_args(dev); 93 if (params == NULL) 94 return -EINVAL; 95 96 97 if (input_args) { 98 kvlist = rte_kvargs_parse(input_args, 99 octeontx_vdev_valid_params); 100 if (kvlist == NULL) 101 return -1; 102 103 ret = rte_kvargs_process(kvlist, 104 OCTEONTX_VDEV_NR_PORT_ARG, 105 &parse_integer_arg, 106 ¶ms->nr_port); 107 if (ret < 0) 108 goto free_kvlist; 109 } 110 111 free_kvlist: 112 rte_kvargs_free(kvlist); 113 return ret; 114 } 115 116 static int 117 octeontx_port_open(struct octeontx_nic *nic) 118 { 119 octeontx_mbox_bgx_port_conf_t bgx_port_conf; 120 int res; 121 122 res = 0; 123 memset(&bgx_port_conf, 0x0, sizeof(bgx_port_conf)); 124 PMD_INIT_FUNC_TRACE(); 125 126 res = octeontx_bgx_port_open(nic->port_id, &bgx_port_conf); 127 if (res < 0) { 128 octeontx_log_err("failed to open port %d", res); 129 return res; 130 } 131 132 nic->node = bgx_port_conf.node; 133 nic->port_ena = bgx_port_conf.enable; 134 nic->base_ichan = bgx_port_conf.base_chan; 135 nic->base_ochan = bgx_port_conf.base_chan; 136 nic->num_ichans = bgx_port_conf.num_chans; 137 nic->num_ochans = bgx_port_conf.num_chans; 138 nic->mtu = bgx_port_conf.mtu; 139 nic->bpen = bgx_port_conf.bpen; 140 nic->fcs_strip = bgx_port_conf.fcs_strip; 141 nic->bcast_mode = bgx_port_conf.bcast_mode; 142 nic->mcast_mode = bgx_port_conf.mcast_mode; 143 nic->speed = bgx_port_conf.mode; 144 145 memcpy(&nic->mac_addr[0], &bgx_port_conf.macaddr[0], 146 RTE_ETHER_ADDR_LEN); 147 148 octeontx_log_dbg("port opened %d", nic->port_id); 149 return res; 150 } 151 152 static void 153 octeontx_port_close(struct octeontx_nic *nic) 154 { 155 PMD_INIT_FUNC_TRACE(); 156 157 octeontx_bgx_port_close(nic->port_id); 158 octeontx_log_dbg("port closed %d", nic->port_id); 159 } 160 161 static int 162 octeontx_port_start(struct octeontx_nic *nic) 163 { 164 PMD_INIT_FUNC_TRACE(); 165 166 return octeontx_bgx_port_start(nic->port_id); 167 } 168 169 static int 170 octeontx_port_stop(struct octeontx_nic *nic) 171 { 172 PMD_INIT_FUNC_TRACE(); 173 174 return octeontx_bgx_port_stop(nic->port_id); 175 } 176 177 static int 178 octeontx_port_promisc_set(struct octeontx_nic *nic, int en) 179 { 180 struct rte_eth_dev *dev; 181 int res; 182 183 res = 0; 184 PMD_INIT_FUNC_TRACE(); 185 dev = nic->dev; 186 187 res = octeontx_bgx_port_promisc_set(nic->port_id, en); 188 if (res < 0) { 189 octeontx_log_err("failed to set promiscuous mode %d", 190 nic->port_id); 191 return res; 192 } 193 194 /* Set proper flag for the mode */ 195 dev->data->promiscuous = (en != 0) ? 1 : 0; 196 197 octeontx_log_dbg("port %d : promiscuous mode %s", 198 nic->port_id, en ? "set" : "unset"); 199 200 return 0; 201 } 202 203 static int 204 octeontx_port_stats(struct octeontx_nic *nic, struct rte_eth_stats *stats) 205 { 206 octeontx_mbox_bgx_port_stats_t bgx_stats; 207 int res; 208 209 PMD_INIT_FUNC_TRACE(); 210 211 res = octeontx_bgx_port_stats(nic->port_id, &bgx_stats); 212 if (res < 0) { 213 octeontx_log_err("failed to get port stats %d", nic->port_id); 214 return res; 215 } 216 217 stats->ipackets = bgx_stats.rx_packets; 218 stats->ibytes = bgx_stats.rx_bytes; 219 stats->imissed = bgx_stats.rx_dropped; 220 stats->ierrors = bgx_stats.rx_errors; 221 stats->opackets = bgx_stats.tx_packets; 222 stats->obytes = bgx_stats.tx_bytes; 223 stats->oerrors = bgx_stats.tx_errors; 224 225 octeontx_log_dbg("port%d stats inpkts=%" PRIx64 " outpkts=%" PRIx64 "", 226 nic->port_id, stats->ipackets, stats->opackets); 227 228 return 0; 229 } 230 231 static int 232 octeontx_port_stats_clr(struct octeontx_nic *nic) 233 { 234 PMD_INIT_FUNC_TRACE(); 235 236 return octeontx_bgx_port_stats_clr(nic->port_id); 237 } 238 239 static inline void 240 devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf, 241 struct rte_event_dev_info *info) 242 { 243 memset(dev_conf, 0, sizeof(struct rte_event_dev_config)); 244 dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns; 245 246 dev_conf->nb_event_ports = info->max_event_ports; 247 dev_conf->nb_event_queues = info->max_event_queues; 248 249 dev_conf->nb_event_queue_flows = info->max_event_queue_flows; 250 dev_conf->nb_event_port_dequeue_depth = 251 info->max_event_port_dequeue_depth; 252 dev_conf->nb_event_port_enqueue_depth = 253 info->max_event_port_enqueue_depth; 254 dev_conf->nb_event_port_enqueue_depth = 255 info->max_event_port_enqueue_depth; 256 dev_conf->nb_events_limit = 257 info->max_num_events; 258 } 259 260 static int 261 octeontx_dev_configure(struct rte_eth_dev *dev) 262 { 263 struct rte_eth_dev_data *data = dev->data; 264 struct rte_eth_conf *conf = &data->dev_conf; 265 struct rte_eth_rxmode *rxmode = &conf->rxmode; 266 struct rte_eth_txmode *txmode = &conf->txmode; 267 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 268 int ret; 269 270 PMD_INIT_FUNC_TRACE(); 271 RTE_SET_USED(conf); 272 273 if (!rte_eal_has_hugepages()) { 274 octeontx_log_err("huge page is not configured"); 275 return -EINVAL; 276 } 277 278 if (txmode->mq_mode) { 279 octeontx_log_err("tx mq_mode DCB or VMDq not supported"); 280 return -EINVAL; 281 } 282 283 if (rxmode->mq_mode != ETH_MQ_RX_NONE && 284 rxmode->mq_mode != ETH_MQ_RX_RSS) { 285 octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode); 286 return -EINVAL; 287 } 288 289 if (!(txmode->offloads & DEV_TX_OFFLOAD_MT_LOCKFREE)) { 290 PMD_INIT_LOG(NOTICE, "cant disable lockfree tx"); 291 txmode->offloads |= DEV_TX_OFFLOAD_MT_LOCKFREE; 292 } 293 294 if (conf->link_speeds & ETH_LINK_SPEED_FIXED) { 295 octeontx_log_err("setting link speed/duplex not supported"); 296 return -EINVAL; 297 } 298 299 if (conf->dcb_capability_en) { 300 octeontx_log_err("DCB enable not supported"); 301 return -EINVAL; 302 } 303 304 if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) { 305 octeontx_log_err("flow director not supported"); 306 return -EINVAL; 307 } 308 309 nic->num_tx_queues = dev->data->nb_tx_queues; 310 311 ret = octeontx_pko_channel_open(nic->port_id * PKO_VF_NUM_DQ, 312 nic->num_tx_queues, 313 nic->base_ochan); 314 if (ret) { 315 octeontx_log_err("failed to open channel %d no-of-txq %d", 316 nic->base_ochan, nic->num_tx_queues); 317 return -EFAULT; 318 } 319 320 nic->pki.classifier_enable = false; 321 nic->pki.hash_enable = true; 322 nic->pki.initialized = false; 323 324 return 0; 325 } 326 327 static void 328 octeontx_dev_close(struct rte_eth_dev *dev) 329 { 330 struct octeontx_txq *txq = NULL; 331 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 332 unsigned int i; 333 int ret; 334 335 PMD_INIT_FUNC_TRACE(); 336 337 rte_event_dev_close(nic->evdev); 338 339 ret = octeontx_pko_channel_close(nic->base_ochan); 340 if (ret < 0) { 341 octeontx_log_err("failed to close channel %d VF%d %d %d", 342 nic->base_ochan, nic->port_id, nic->num_tx_queues, 343 ret); 344 } 345 /* Free txq resources for this port */ 346 for (i = 0; i < nic->num_tx_queues; i++) { 347 txq = dev->data->tx_queues[i]; 348 if (!txq) 349 continue; 350 351 rte_free(txq); 352 } 353 354 dev->tx_pkt_burst = NULL; 355 dev->rx_pkt_burst = NULL; 356 } 357 358 static int 359 octeontx_dev_start(struct rte_eth_dev *dev) 360 { 361 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 362 int ret; 363 364 ret = 0; 365 366 PMD_INIT_FUNC_TRACE(); 367 /* 368 * Tx start 369 */ 370 dev->tx_pkt_burst = octeontx_xmit_pkts; 371 ret = octeontx_pko_channel_start(nic->base_ochan); 372 if (ret < 0) { 373 octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d", 374 nic->port_id, nic->num_tx_queues, nic->base_ochan, 375 ret); 376 goto error; 377 } 378 379 /* 380 * Rx start 381 */ 382 dev->rx_pkt_burst = octeontx_recv_pkts; 383 ret = octeontx_pki_port_start(nic->port_id); 384 if (ret < 0) { 385 octeontx_log_err("fail to start Rx on port %d", nic->port_id); 386 goto channel_stop_error; 387 } 388 389 /* 390 * Start port 391 */ 392 ret = octeontx_port_start(nic); 393 if (ret < 0) { 394 octeontx_log_err("failed start port %d", ret); 395 goto pki_port_stop_error; 396 } 397 398 PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d", 399 nic->base_ochan, nic->num_tx_queues, nic->port_id); 400 401 ret = rte_event_dev_start(nic->evdev); 402 if (ret < 0) { 403 octeontx_log_err("failed to start evdev: ret (%d)", ret); 404 goto pki_port_stop_error; 405 } 406 407 /* Success */ 408 return ret; 409 410 pki_port_stop_error: 411 octeontx_pki_port_stop(nic->port_id); 412 channel_stop_error: 413 octeontx_pko_channel_stop(nic->base_ochan); 414 error: 415 return ret; 416 } 417 418 static void 419 octeontx_dev_stop(struct rte_eth_dev *dev) 420 { 421 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 422 int ret; 423 424 PMD_INIT_FUNC_TRACE(); 425 426 rte_event_dev_stop(nic->evdev); 427 428 ret = octeontx_port_stop(nic); 429 if (ret < 0) { 430 octeontx_log_err("failed to req stop port %d res=%d", 431 nic->port_id, ret); 432 return; 433 } 434 435 ret = octeontx_pki_port_stop(nic->port_id); 436 if (ret < 0) { 437 octeontx_log_err("failed to stop pki port %d res=%d", 438 nic->port_id, ret); 439 return; 440 } 441 442 ret = octeontx_pko_channel_stop(nic->base_ochan); 443 if (ret < 0) { 444 octeontx_log_err("failed to stop channel %d VF%d %d %d", 445 nic->base_ochan, nic->port_id, nic->num_tx_queues, 446 ret); 447 return; 448 } 449 } 450 451 static int 452 octeontx_dev_promisc_enable(struct rte_eth_dev *dev) 453 { 454 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 455 456 PMD_INIT_FUNC_TRACE(); 457 return octeontx_port_promisc_set(nic, 1); 458 } 459 460 static int 461 octeontx_dev_promisc_disable(struct rte_eth_dev *dev) 462 { 463 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 464 465 PMD_INIT_FUNC_TRACE(); 466 return octeontx_port_promisc_set(nic, 0); 467 } 468 469 static int 470 octeontx_port_link_status(struct octeontx_nic *nic) 471 { 472 int res; 473 474 PMD_INIT_FUNC_TRACE(); 475 res = octeontx_bgx_port_link_status(nic->port_id); 476 if (res < 0) { 477 octeontx_log_err("failed to get port %d link status", 478 nic->port_id); 479 return res; 480 } 481 482 nic->link_up = (uint8_t)res; 483 octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up); 484 485 return res; 486 } 487 488 /* 489 * Return 0 means link status changed, -1 means not changed 490 */ 491 static int 492 octeontx_dev_link_update(struct rte_eth_dev *dev, 493 int wait_to_complete __rte_unused) 494 { 495 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 496 struct rte_eth_link link; 497 int res; 498 499 PMD_INIT_FUNC_TRACE(); 500 501 res = octeontx_port_link_status(nic); 502 if (res < 0) { 503 octeontx_log_err("failed to request link status %d", res); 504 return res; 505 } 506 507 link.link_status = nic->link_up; 508 509 switch (nic->speed) { 510 case OCTEONTX_LINK_SPEED_SGMII: 511 link.link_speed = ETH_SPEED_NUM_1G; 512 break; 513 514 case OCTEONTX_LINK_SPEED_XAUI: 515 link.link_speed = ETH_SPEED_NUM_10G; 516 break; 517 518 case OCTEONTX_LINK_SPEED_RXAUI: 519 case OCTEONTX_LINK_SPEED_10G_R: 520 link.link_speed = ETH_SPEED_NUM_10G; 521 break; 522 case OCTEONTX_LINK_SPEED_QSGMII: 523 link.link_speed = ETH_SPEED_NUM_5G; 524 break; 525 case OCTEONTX_LINK_SPEED_40G_R: 526 link.link_speed = ETH_SPEED_NUM_40G; 527 break; 528 529 case OCTEONTX_LINK_SPEED_RESERVE1: 530 case OCTEONTX_LINK_SPEED_RESERVE2: 531 default: 532 link.link_speed = ETH_SPEED_NUM_NONE; 533 octeontx_log_err("incorrect link speed %d", nic->speed); 534 break; 535 } 536 537 link.link_duplex = ETH_LINK_FULL_DUPLEX; 538 link.link_autoneg = ETH_LINK_AUTONEG; 539 540 return rte_eth_linkstatus_set(dev, &link); 541 } 542 543 static int 544 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 545 { 546 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 547 548 PMD_INIT_FUNC_TRACE(); 549 return octeontx_port_stats(nic, stats); 550 } 551 552 static int 553 octeontx_dev_stats_reset(struct rte_eth_dev *dev) 554 { 555 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 556 557 PMD_INIT_FUNC_TRACE(); 558 return octeontx_port_stats_clr(nic); 559 } 560 561 static int 562 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev, 563 struct rte_ether_addr *addr) 564 { 565 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 566 int ret; 567 568 ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes); 569 if (ret != 0) 570 octeontx_log_err("failed to set MAC address on port %d", 571 nic->port_id); 572 573 return ret; 574 } 575 576 static int 577 octeontx_dev_info(struct rte_eth_dev *dev, 578 struct rte_eth_dev_info *dev_info) 579 { 580 RTE_SET_USED(dev); 581 582 /* Autonegotiation may be disabled */ 583 dev_info->speed_capa = ETH_LINK_SPEED_FIXED; 584 dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M | 585 ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G | 586 ETH_LINK_SPEED_40G; 587 588 dev_info->max_mac_addrs = 1; 589 dev_info->max_rx_pktlen = PKI_MAX_PKTLEN; 590 dev_info->max_rx_queues = 1; 591 dev_info->max_tx_queues = PKO_MAX_NUM_DQ; 592 dev_info->min_rx_bufsize = 0; 593 594 dev_info->default_rxconf = (struct rte_eth_rxconf) { 595 .rx_free_thresh = 0, 596 .rx_drop_en = 0, 597 .offloads = OCTEONTX_RX_OFFLOADS, 598 }; 599 600 dev_info->default_txconf = (struct rte_eth_txconf) { 601 .tx_free_thresh = 0, 602 .offloads = OCTEONTX_TX_OFFLOADS, 603 }; 604 605 dev_info->rx_offload_capa = OCTEONTX_RX_OFFLOADS; 606 dev_info->tx_offload_capa = OCTEONTX_TX_OFFLOADS; 607 608 return 0; 609 } 610 611 static void 612 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out) 613 { 614 ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va; 615 ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va; 616 ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va; 617 } 618 619 static int 620 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic, 621 uint16_t qidx) 622 { 623 struct octeontx_txq *txq; 624 int res; 625 626 PMD_INIT_FUNC_TRACE(); 627 628 if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED) 629 return 0; 630 631 txq = dev->data->tx_queues[qidx]; 632 633 res = octeontx_pko_channel_query_dqs(nic->base_ochan, 634 &txq->dq, 635 sizeof(octeontx_dq_t), 636 txq->queue_id, 637 octeontx_dq_info_getter); 638 if (res < 0) { 639 res = -EFAULT; 640 goto close_port; 641 } 642 643 dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED; 644 return res; 645 646 close_port: 647 (void)octeontx_port_stop(nic); 648 octeontx_pko_channel_stop(nic->base_ochan); 649 octeontx_pko_channel_close(nic->base_ochan); 650 dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 651 return res; 652 } 653 654 static int 655 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx) 656 { 657 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 658 659 PMD_INIT_FUNC_TRACE(); 660 qidx = qidx % PKO_VF_NUM_DQ; 661 return octeontx_vf_start_tx_queue(dev, nic, qidx); 662 } 663 664 static inline int 665 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic, 666 uint16_t qidx) 667 { 668 int ret = 0; 669 670 RTE_SET_USED(nic); 671 PMD_INIT_FUNC_TRACE(); 672 673 if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED) 674 return 0; 675 676 dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 677 return ret; 678 } 679 680 static int 681 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx) 682 { 683 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 684 685 PMD_INIT_FUNC_TRACE(); 686 qidx = qidx % PKO_VF_NUM_DQ; 687 688 return octeontx_vf_stop_tx_queue(dev, nic, qidx); 689 } 690 691 static void 692 octeontx_dev_tx_queue_release(void *tx_queue) 693 { 694 struct octeontx_txq *txq = tx_queue; 695 int res; 696 697 PMD_INIT_FUNC_TRACE(); 698 699 if (txq) { 700 res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id); 701 if (res < 0) 702 octeontx_log_err("failed stop tx_queue(%d)\n", 703 txq->queue_id); 704 705 rte_free(txq); 706 } 707 } 708 709 static int 710 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx, 711 uint16_t nb_desc, unsigned int socket_id, 712 const struct rte_eth_txconf *tx_conf __rte_unused) 713 { 714 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 715 struct octeontx_txq *txq = NULL; 716 uint16_t dq_num; 717 int res = 0; 718 719 RTE_SET_USED(nb_desc); 720 RTE_SET_USED(socket_id); 721 722 dq_num = (nic->port_id * PKO_VF_NUM_DQ) + qidx; 723 724 /* Socket id check */ 725 if (socket_id != (unsigned int)SOCKET_ID_ANY && 726 socket_id != (unsigned int)nic->node) 727 PMD_TX_LOG(INFO, "socket_id expected %d, configured %d", 728 socket_id, nic->node); 729 730 /* Free memory prior to re-allocation if needed. */ 731 if (dev->data->tx_queues[qidx] != NULL) { 732 PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d", 733 qidx); 734 octeontx_dev_tx_queue_release(dev->data->tx_queues[qidx]); 735 dev->data->tx_queues[qidx] = NULL; 736 } 737 738 /* Allocating tx queue data structure */ 739 txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq), 740 RTE_CACHE_LINE_SIZE, nic->node); 741 if (txq == NULL) { 742 octeontx_log_err("failed to allocate txq=%d", qidx); 743 res = -ENOMEM; 744 goto err; 745 } 746 747 txq->eth_dev = dev; 748 txq->queue_id = dq_num; 749 dev->data->tx_queues[qidx] = txq; 750 dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 751 752 res = octeontx_pko_channel_query_dqs(nic->base_ochan, 753 &txq->dq, 754 sizeof(octeontx_dq_t), 755 txq->queue_id, 756 octeontx_dq_info_getter); 757 if (res < 0) { 758 res = -EFAULT; 759 goto err; 760 } 761 762 PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p", 763 qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va, 764 txq->dq.ioreg_va, 765 txq->dq.fc_status_va); 766 767 return res; 768 769 err: 770 if (txq) 771 rte_free(txq); 772 773 return res; 774 } 775 776 static int 777 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx, 778 uint16_t nb_desc, unsigned int socket_id, 779 const struct rte_eth_rxconf *rx_conf, 780 struct rte_mempool *mb_pool) 781 { 782 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 783 struct rte_mempool_ops *mp_ops = NULL; 784 struct octeontx_rxq *rxq = NULL; 785 pki_pktbuf_cfg_t pktbuf_conf; 786 pki_hash_cfg_t pki_hash; 787 pki_qos_cfg_t pki_qos; 788 uintptr_t pool; 789 int ret, port; 790 uint16_t gaura; 791 unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx; 792 unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx; 793 794 RTE_SET_USED(nb_desc); 795 796 memset(&pktbuf_conf, 0, sizeof(pktbuf_conf)); 797 memset(&pki_hash, 0, sizeof(pki_hash)); 798 memset(&pki_qos, 0, sizeof(pki_qos)); 799 800 mp_ops = rte_mempool_get_ops(mb_pool->ops_index); 801 if (strcmp(mp_ops->name, "octeontx_fpavf")) { 802 octeontx_log_err("failed to find octeontx_fpavf mempool"); 803 return -ENOTSUP; 804 } 805 806 /* Handle forbidden configurations */ 807 if (nic->pki.classifier_enable) { 808 octeontx_log_err("cannot setup queue %d. " 809 "Classifier option unsupported", qidx); 810 return -EINVAL; 811 } 812 813 port = nic->port_id; 814 815 /* Rx deferred start is not supported */ 816 if (rx_conf->rx_deferred_start) { 817 octeontx_log_err("rx deferred start not supported"); 818 return -EINVAL; 819 } 820 821 /* Verify queue index */ 822 if (qidx >= dev->data->nb_rx_queues) { 823 octeontx_log_err("QID %d not supporteded (0 - %d available)\n", 824 qidx, (dev->data->nb_rx_queues - 1)); 825 return -ENOTSUP; 826 } 827 828 /* Socket id check */ 829 if (socket_id != (unsigned int)SOCKET_ID_ANY && 830 socket_id != (unsigned int)nic->node) 831 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d", 832 socket_id, nic->node); 833 834 /* Allocating rx queue data structure */ 835 rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq), 836 RTE_CACHE_LINE_SIZE, nic->node); 837 if (rxq == NULL) { 838 octeontx_log_err("failed to allocate rxq=%d", qidx); 839 return -ENOMEM; 840 } 841 842 if (!nic->pki.initialized) { 843 pktbuf_conf.port_type = 0; 844 pki_hash.port_type = 0; 845 pki_qos.port_type = 0; 846 847 pktbuf_conf.mmask.f_wqe_skip = 1; 848 pktbuf_conf.mmask.f_first_skip = 1; 849 pktbuf_conf.mmask.f_later_skip = 1; 850 pktbuf_conf.mmask.f_mbuff_size = 1; 851 pktbuf_conf.mmask.f_cache_mode = 1; 852 853 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP; 854 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP(mb_pool); 855 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP; 856 pktbuf_conf.mbuff_size = (mb_pool->elt_size - 857 RTE_PKTMBUF_HEADROOM - 858 rte_pktmbuf_priv_size(mb_pool) - 859 sizeof(struct rte_mbuf)); 860 861 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT; 862 863 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf); 864 if (ret != 0) { 865 octeontx_log_err("fail to configure pktbuf for port %d", 866 port); 867 rte_free(rxq); 868 return ret; 869 } 870 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n" 871 "\tmbuf_size:\t0x%0x\n" 872 "\twqe_skip:\t0x%0x\n" 873 "\tfirst_skip:\t0x%0x\n" 874 "\tlater_skip:\t0x%0x\n" 875 "\tcache_mode:\t%s\n", 876 port, 877 pktbuf_conf.mbuff_size, 878 pktbuf_conf.wqe_skip, 879 pktbuf_conf.first_skip, 880 pktbuf_conf.later_skip, 881 (pktbuf_conf.cache_mode == 882 PKI_OPC_MODE_STT) ? 883 "STT" : 884 (pktbuf_conf.cache_mode == 885 PKI_OPC_MODE_STF) ? 886 "STF" : 887 (pktbuf_conf.cache_mode == 888 PKI_OPC_MODE_STF1_STT) ? 889 "STF1_STT" : "STF2_STT"); 890 891 if (nic->pki.hash_enable) { 892 pki_hash.tag_dlc = 1; 893 pki_hash.tag_slc = 1; 894 pki_hash.tag_dlf = 1; 895 pki_hash.tag_slf = 1; 896 pki_hash.tag_prt = 1; 897 octeontx_pki_port_hash_config(port, &pki_hash); 898 } 899 900 pool = (uintptr_t)mb_pool->pool_id; 901 902 /* Get the gaura Id */ 903 gaura = octeontx_fpa_bufpool_gaura(pool); 904 905 pki_qos.qpg_qos = PKI_QPG_QOS_NONE; 906 pki_qos.num_entry = 1; 907 pki_qos.drop_policy = 0; 908 pki_qos.tag_type = 0L; 909 pki_qos.qos_entry[0].port_add = 0; 910 pki_qos.qos_entry[0].gaura = gaura; 911 pki_qos.qos_entry[0].ggrp_ok = ev_queues; 912 pki_qos.qos_entry[0].ggrp_bad = ev_queues; 913 pki_qos.qos_entry[0].grptag_bad = 0; 914 pki_qos.qos_entry[0].grptag_ok = 0; 915 916 ret = octeontx_pki_port_create_qos(port, &pki_qos); 917 if (ret < 0) { 918 octeontx_log_err("failed to create QOS port=%d, q=%d", 919 port, qidx); 920 rte_free(rxq); 921 return ret; 922 } 923 nic->pki.initialized = true; 924 } 925 926 rxq->port_id = nic->port_id; 927 rxq->eth_dev = dev; 928 rxq->queue_id = qidx; 929 rxq->evdev = nic->evdev; 930 rxq->ev_queues = ev_queues; 931 rxq->ev_ports = ev_ports; 932 933 dev->data->rx_queues[qidx] = rxq; 934 dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 935 return 0; 936 } 937 938 static void 939 octeontx_dev_rx_queue_release(void *rxq) 940 { 941 rte_free(rxq); 942 } 943 944 static const uint32_t * 945 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev) 946 { 947 static const uint32_t ptypes[] = { 948 RTE_PTYPE_L3_IPV4, 949 RTE_PTYPE_L3_IPV4_EXT, 950 RTE_PTYPE_L3_IPV6, 951 RTE_PTYPE_L3_IPV6_EXT, 952 RTE_PTYPE_L4_TCP, 953 RTE_PTYPE_L4_UDP, 954 RTE_PTYPE_L4_FRAG, 955 RTE_PTYPE_UNKNOWN 956 }; 957 958 if (dev->rx_pkt_burst == octeontx_recv_pkts) 959 return ptypes; 960 961 return NULL; 962 } 963 964 static int 965 octeontx_pool_ops(struct rte_eth_dev *dev, const char *pool) 966 { 967 RTE_SET_USED(dev); 968 969 if (!strcmp(pool, "octeontx_fpavf")) 970 return 0; 971 972 return -ENOTSUP; 973 } 974 975 /* Initialize and register driver with DPDK Application */ 976 static const struct eth_dev_ops octeontx_dev_ops = { 977 .dev_configure = octeontx_dev_configure, 978 .dev_infos_get = octeontx_dev_info, 979 .dev_close = octeontx_dev_close, 980 .dev_start = octeontx_dev_start, 981 .dev_stop = octeontx_dev_stop, 982 .promiscuous_enable = octeontx_dev_promisc_enable, 983 .promiscuous_disable = octeontx_dev_promisc_disable, 984 .link_update = octeontx_dev_link_update, 985 .stats_get = octeontx_dev_stats_get, 986 .stats_reset = octeontx_dev_stats_reset, 987 .mac_addr_set = octeontx_dev_default_mac_addr_set, 988 .tx_queue_start = octeontx_dev_tx_queue_start, 989 .tx_queue_stop = octeontx_dev_tx_queue_stop, 990 .tx_queue_setup = octeontx_dev_tx_queue_setup, 991 .tx_queue_release = octeontx_dev_tx_queue_release, 992 .rx_queue_setup = octeontx_dev_rx_queue_setup, 993 .rx_queue_release = octeontx_dev_rx_queue_release, 994 .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get, 995 .pool_ops_supported = octeontx_pool_ops, 996 }; 997 998 /* Create Ethdev interface per BGX LMAC ports */ 999 static int 1000 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev, 1001 int socket_id) 1002 { 1003 int res; 1004 char octtx_name[OCTEONTX_MAX_NAME_LEN]; 1005 struct octeontx_nic *nic = NULL; 1006 struct rte_eth_dev *eth_dev = NULL; 1007 struct rte_eth_dev_data *data; 1008 const char *name = rte_vdev_device_name(dev); 1009 1010 PMD_INIT_FUNC_TRACE(); 1011 1012 sprintf(octtx_name, "%s_%d", name, port); 1013 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 1014 eth_dev = rte_eth_dev_attach_secondary(octtx_name); 1015 if (eth_dev == NULL) 1016 return -ENODEV; 1017 1018 eth_dev->dev_ops = &octeontx_dev_ops; 1019 eth_dev->device = &dev->device; 1020 eth_dev->tx_pkt_burst = octeontx_xmit_pkts; 1021 eth_dev->rx_pkt_burst = octeontx_recv_pkts; 1022 rte_eth_dev_probing_finish(eth_dev); 1023 return 0; 1024 } 1025 1026 /* Reserve an ethdev entry */ 1027 eth_dev = rte_eth_dev_allocate(octtx_name); 1028 if (eth_dev == NULL) { 1029 octeontx_log_err("failed to allocate rte_eth_dev"); 1030 res = -ENOMEM; 1031 goto err; 1032 } 1033 data = eth_dev->data; 1034 1035 nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id); 1036 if (nic == NULL) { 1037 octeontx_log_err("failed to allocate nic structure"); 1038 res = -ENOMEM; 1039 goto err; 1040 } 1041 data->dev_private = nic; 1042 1043 nic->port_id = port; 1044 nic->evdev = evdev; 1045 1046 res = octeontx_port_open(nic); 1047 if (res < 0) 1048 goto err; 1049 1050 /* Rx side port configuration */ 1051 res = octeontx_pki_port_open(port); 1052 if (res != 0) { 1053 octeontx_log_err("failed to open PKI port %d", port); 1054 res = -ENODEV; 1055 goto err; 1056 } 1057 1058 eth_dev->device = &dev->device; 1059 eth_dev->intr_handle = NULL; 1060 eth_dev->data->kdrv = RTE_KDRV_NONE; 1061 eth_dev->data->numa_node = dev->device.numa_node; 1062 1063 data->port_id = eth_dev->data->port_id; 1064 1065 nic->ev_queues = 1; 1066 nic->ev_ports = 1; 1067 1068 data->dev_link.link_status = ETH_LINK_DOWN; 1069 data->dev_started = 0; 1070 data->promiscuous = 0; 1071 data->all_multicast = 0; 1072 data->scattered_rx = 0; 1073 1074 data->mac_addrs = rte_zmalloc_socket(octtx_name, RTE_ETHER_ADDR_LEN, 0, 1075 socket_id); 1076 if (data->mac_addrs == NULL) { 1077 octeontx_log_err("failed to allocate memory for mac_addrs"); 1078 res = -ENOMEM; 1079 goto err; 1080 } 1081 1082 eth_dev->dev_ops = &octeontx_dev_ops; 1083 1084 /* Finally save ethdev pointer to the NIC structure */ 1085 nic->dev = eth_dev; 1086 1087 if (nic->port_id != data->port_id) { 1088 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)", 1089 data->port_id, nic->port_id); 1090 res = -EINVAL; 1091 goto err; 1092 } 1093 1094 /* Update port_id mac to eth_dev */ 1095 memcpy(data->mac_addrs, nic->mac_addr, RTE_ETHER_ADDR_LEN); 1096 1097 PMD_INIT_LOG(DEBUG, "ethdev info: "); 1098 PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d", 1099 nic->port_id, nic->port_ena, 1100 nic->base_ochan, nic->num_ochans, 1101 nic->num_tx_queues); 1102 PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu); 1103 1104 rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7] 1105 [(nic->base_ochan >> 4) & 0xF] = data->port_id; 1106 1107 rte_eth_dev_probing_finish(eth_dev); 1108 return data->port_id; 1109 1110 err: 1111 if (nic) 1112 octeontx_port_close(nic); 1113 1114 rte_eth_dev_release_port(eth_dev); 1115 1116 return res; 1117 } 1118 1119 /* Un initialize octeontx device */ 1120 static int 1121 octeontx_remove(struct rte_vdev_device *dev) 1122 { 1123 char octtx_name[OCTEONTX_MAX_NAME_LEN]; 1124 struct rte_eth_dev *eth_dev = NULL; 1125 struct octeontx_nic *nic = NULL; 1126 int i; 1127 1128 if (dev == NULL) 1129 return -EINVAL; 1130 1131 for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) { 1132 sprintf(octtx_name, "eth_octeontx_%d", i); 1133 1134 /* reserve an ethdev entry */ 1135 eth_dev = rte_eth_dev_allocated(octtx_name); 1136 if (eth_dev == NULL) 1137 return -ENODEV; 1138 1139 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 1140 rte_eth_dev_release_port(eth_dev); 1141 continue; 1142 } 1143 1144 nic = octeontx_pmd_priv(eth_dev); 1145 rte_event_dev_stop(nic->evdev); 1146 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name); 1147 1148 rte_eth_dev_release_port(eth_dev); 1149 rte_event_dev_close(nic->evdev); 1150 } 1151 1152 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 1153 return 0; 1154 1155 /* Free FC resource */ 1156 octeontx_pko_fc_free(); 1157 1158 return 0; 1159 } 1160 1161 /* Initialize octeontx device */ 1162 static int 1163 octeontx_probe(struct rte_vdev_device *dev) 1164 { 1165 const char *dev_name; 1166 static int probe_once; 1167 uint8_t socket_id, qlist; 1168 int tx_vfcnt, port_id, evdev, qnum, pnum, res, i; 1169 struct rte_event_dev_config dev_conf; 1170 const char *eventdev_name = "event_octeontx"; 1171 struct rte_event_dev_info info; 1172 struct rte_eth_dev *eth_dev; 1173 1174 struct octeontx_vdev_init_params init_params = { 1175 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT 1176 }; 1177 1178 dev_name = rte_vdev_device_name(dev); 1179 1180 if (rte_eal_process_type() == RTE_PROC_SECONDARY && 1181 strlen(rte_vdev_device_args(dev)) == 0) { 1182 eth_dev = rte_eth_dev_attach_secondary(dev_name); 1183 if (!eth_dev) { 1184 PMD_INIT_LOG(ERR, "Failed to probe %s", dev_name); 1185 return -1; 1186 } 1187 /* TODO: request info from primary to set up Rx and Tx */ 1188 eth_dev->dev_ops = &octeontx_dev_ops; 1189 eth_dev->device = &dev->device; 1190 rte_eth_dev_probing_finish(eth_dev); 1191 return 0; 1192 } 1193 1194 res = octeontx_parse_vdev_init_params(&init_params, dev); 1195 if (res < 0) 1196 return -EINVAL; 1197 1198 if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) { 1199 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port, 1200 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT); 1201 return -ENOTSUP; 1202 } 1203 1204 PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name); 1205 1206 socket_id = rte_socket_id(); 1207 1208 tx_vfcnt = octeontx_pko_vf_count(); 1209 1210 if (tx_vfcnt < init_params.nr_port) { 1211 octeontx_log_err("not enough PKO (%d) for port number (%d)", 1212 tx_vfcnt, init_params.nr_port); 1213 return -EINVAL; 1214 } 1215 evdev = rte_event_dev_get_dev_id(eventdev_name); 1216 if (evdev < 0) { 1217 octeontx_log_err("eventdev %s not found", eventdev_name); 1218 return -ENODEV; 1219 } 1220 1221 res = rte_event_dev_info_get(evdev, &info); 1222 if (res < 0) { 1223 octeontx_log_err("failed to eventdev info %d", res); 1224 return -EINVAL; 1225 } 1226 1227 PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d", 1228 info.max_event_queues, info.max_event_ports); 1229 1230 if (octeontx_pko_init_fc(tx_vfcnt)) 1231 return -ENOMEM; 1232 1233 devconf_set_default_sane_values(&dev_conf, &info); 1234 res = rte_event_dev_configure(evdev, &dev_conf); 1235 if (res < 0) 1236 goto parse_error; 1237 1238 rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT, 1239 (uint32_t *)&pnum); 1240 rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT, 1241 (uint32_t *)&qnum); 1242 if (pnum < qnum) { 1243 octeontx_log_err("too few event ports (%d) for event_q(%d)", 1244 pnum, qnum); 1245 res = -EINVAL; 1246 goto parse_error; 1247 } 1248 1249 /* Enable all queues available */ 1250 for (i = 0; i < qnum; i++) { 1251 res = rte_event_queue_setup(evdev, i, NULL); 1252 if (res < 0) { 1253 octeontx_log_err("failed to setup event_q(%d): res %d", 1254 i, res); 1255 goto parse_error; 1256 } 1257 } 1258 1259 /* Enable all ports available */ 1260 for (i = 0; i < pnum; i++) { 1261 res = rte_event_port_setup(evdev, i, NULL); 1262 if (res < 0) { 1263 res = -ENODEV; 1264 octeontx_log_err("failed to setup ev port(%d) res=%d", 1265 i, res); 1266 goto parse_error; 1267 } 1268 } 1269 1270 /* 1271 * Do 1:1 links for ports & queues. All queues would be mapped to 1272 * one port. If there are more ports than queues, then some ports 1273 * won't be linked to any queue. 1274 */ 1275 for (i = 0; i < qnum; i++) { 1276 /* Link one queue to one event port */ 1277 qlist = i; 1278 res = rte_event_port_link(evdev, i, &qlist, NULL, 1); 1279 if (res < 0) { 1280 res = -ENODEV; 1281 octeontx_log_err("failed to link port (%d): res=%d", 1282 i, res); 1283 goto parse_error; 1284 } 1285 } 1286 1287 /* Create ethdev interface */ 1288 for (i = 0; i < init_params.nr_port; i++) { 1289 port_id = octeontx_create(dev, i, evdev, socket_id); 1290 if (port_id < 0) { 1291 octeontx_log_err("failed to create device %s", 1292 dev_name); 1293 res = -ENODEV; 1294 goto parse_error; 1295 } 1296 1297 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name, 1298 port_id); 1299 } 1300 1301 if (probe_once) { 1302 octeontx_log_err("interface %s not supported", dev_name); 1303 octeontx_remove(dev); 1304 res = -ENOTSUP; 1305 goto parse_error; 1306 } 1307 rte_mbuf_set_platform_mempool_ops("octeontx_fpavf"); 1308 probe_once = 1; 1309 1310 return 0; 1311 1312 parse_error: 1313 octeontx_pko_fc_free(); 1314 return res; 1315 } 1316 1317 static struct rte_vdev_driver octeontx_pmd_drv = { 1318 .probe = octeontx_probe, 1319 .remove = octeontx_remove, 1320 }; 1321 1322 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv); 1323 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx); 1324 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> "); 1325