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