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(mb_pool); 848 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP; 849 pktbuf_conf.mbuff_size = (mb_pool->elt_size - 850 RTE_PKTMBUF_HEADROOM - 851 rte_pktmbuf_priv_size(mb_pool) - 852 sizeof(struct rte_mbuf)); 853 854 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT; 855 856 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf); 857 if (ret != 0) { 858 octeontx_log_err("fail to configure pktbuf for port %d", 859 port); 860 rte_free(rxq); 861 return ret; 862 } 863 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n" 864 "\tmbuf_size:\t0x%0x\n" 865 "\twqe_skip:\t0x%0x\n" 866 "\tfirst_skip:\t0x%0x\n" 867 "\tlater_skip:\t0x%0x\n" 868 "\tcache_mode:\t%s\n", 869 port, 870 pktbuf_conf.mbuff_size, 871 pktbuf_conf.wqe_skip, 872 pktbuf_conf.first_skip, 873 pktbuf_conf.later_skip, 874 (pktbuf_conf.cache_mode == 875 PKI_OPC_MODE_STT) ? 876 "STT" : 877 (pktbuf_conf.cache_mode == 878 PKI_OPC_MODE_STF) ? 879 "STF" : 880 (pktbuf_conf.cache_mode == 881 PKI_OPC_MODE_STF1_STT) ? 882 "STF1_STT" : "STF2_STT"); 883 884 if (nic->pki.hash_enable) { 885 pki_hash.tag_dlc = 1; 886 pki_hash.tag_slc = 1; 887 pki_hash.tag_dlf = 1; 888 pki_hash.tag_slf = 1; 889 pki_hash.tag_prt = 1; 890 octeontx_pki_port_hash_config(port, &pki_hash); 891 } 892 893 pool = (uintptr_t)mb_pool->pool_id; 894 895 /* Get the gaura Id */ 896 gaura = octeontx_fpa_bufpool_gaura(pool); 897 898 pki_qos.qpg_qos = PKI_QPG_QOS_NONE; 899 pki_qos.num_entry = 1; 900 pki_qos.drop_policy = 0; 901 pki_qos.tag_type = 0L; 902 pki_qos.qos_entry[0].port_add = 0; 903 pki_qos.qos_entry[0].gaura = gaura; 904 pki_qos.qos_entry[0].ggrp_ok = ev_queues; 905 pki_qos.qos_entry[0].ggrp_bad = ev_queues; 906 pki_qos.qos_entry[0].grptag_bad = 0; 907 pki_qos.qos_entry[0].grptag_ok = 0; 908 909 ret = octeontx_pki_port_create_qos(port, &pki_qos); 910 if (ret < 0) { 911 octeontx_log_err("failed to create QOS port=%d, q=%d", 912 port, qidx); 913 rte_free(rxq); 914 return ret; 915 } 916 nic->pki.initialized = true; 917 } 918 919 rxq->port_id = nic->port_id; 920 rxq->eth_dev = dev; 921 rxq->queue_id = qidx; 922 rxq->evdev = nic->evdev; 923 rxq->ev_queues = ev_queues; 924 rxq->ev_ports = ev_ports; 925 926 dev->data->rx_queues[qidx] = rxq; 927 dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 928 return 0; 929 } 930 931 static void 932 octeontx_dev_rx_queue_release(void *rxq) 933 { 934 rte_free(rxq); 935 } 936 937 static const uint32_t * 938 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev) 939 { 940 static const uint32_t ptypes[] = { 941 RTE_PTYPE_L3_IPV4, 942 RTE_PTYPE_L3_IPV4_EXT, 943 RTE_PTYPE_L3_IPV6, 944 RTE_PTYPE_L3_IPV6_EXT, 945 RTE_PTYPE_L4_TCP, 946 RTE_PTYPE_L4_UDP, 947 RTE_PTYPE_L4_FRAG, 948 RTE_PTYPE_UNKNOWN 949 }; 950 951 if (dev->rx_pkt_burst == octeontx_recv_pkts) 952 return ptypes; 953 954 return NULL; 955 } 956 957 static int 958 octeontx_pool_ops(struct rte_eth_dev *dev, const char *pool) 959 { 960 RTE_SET_USED(dev); 961 962 if (!strcmp(pool, "octeontx_fpavf")) 963 return 0; 964 965 return -ENOTSUP; 966 } 967 968 /* Initialize and register driver with DPDK Application */ 969 static const struct eth_dev_ops octeontx_dev_ops = { 970 .dev_configure = octeontx_dev_configure, 971 .dev_infos_get = octeontx_dev_info, 972 .dev_close = octeontx_dev_close, 973 .dev_start = octeontx_dev_start, 974 .dev_stop = octeontx_dev_stop, 975 .promiscuous_enable = octeontx_dev_promisc_enable, 976 .promiscuous_disable = octeontx_dev_promisc_disable, 977 .link_update = octeontx_dev_link_update, 978 .stats_get = octeontx_dev_stats_get, 979 .stats_reset = octeontx_dev_stats_reset, 980 .mac_addr_set = octeontx_dev_default_mac_addr_set, 981 .tx_queue_start = octeontx_dev_tx_queue_start, 982 .tx_queue_stop = octeontx_dev_tx_queue_stop, 983 .tx_queue_setup = octeontx_dev_tx_queue_setup, 984 .tx_queue_release = octeontx_dev_tx_queue_release, 985 .rx_queue_setup = octeontx_dev_rx_queue_setup, 986 .rx_queue_release = octeontx_dev_rx_queue_release, 987 .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get, 988 .pool_ops_supported = octeontx_pool_ops, 989 }; 990 991 /* Create Ethdev interface per BGX LMAC ports */ 992 static int 993 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev, 994 int socket_id) 995 { 996 int res; 997 char octtx_name[OCTEONTX_MAX_NAME_LEN]; 998 struct octeontx_nic *nic = NULL; 999 struct rte_eth_dev *eth_dev = NULL; 1000 struct rte_eth_dev_data *data; 1001 const char *name = rte_vdev_device_name(dev); 1002 1003 PMD_INIT_FUNC_TRACE(); 1004 1005 sprintf(octtx_name, "%s_%d", name, port); 1006 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 1007 eth_dev = rte_eth_dev_attach_secondary(octtx_name); 1008 if (eth_dev == NULL) 1009 return -ENODEV; 1010 1011 eth_dev->dev_ops = &octeontx_dev_ops; 1012 eth_dev->device = &dev->device; 1013 eth_dev->tx_pkt_burst = octeontx_xmit_pkts; 1014 eth_dev->rx_pkt_burst = octeontx_recv_pkts; 1015 rte_eth_dev_probing_finish(eth_dev); 1016 return 0; 1017 } 1018 1019 /* Reserve an ethdev entry */ 1020 eth_dev = rte_eth_dev_allocate(octtx_name); 1021 if (eth_dev == NULL) { 1022 octeontx_log_err("failed to allocate rte_eth_dev"); 1023 res = -ENOMEM; 1024 goto err; 1025 } 1026 data = eth_dev->data; 1027 1028 nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id); 1029 if (nic == NULL) { 1030 octeontx_log_err("failed to allocate nic structure"); 1031 res = -ENOMEM; 1032 goto err; 1033 } 1034 data->dev_private = nic; 1035 1036 nic->port_id = port; 1037 nic->evdev = evdev; 1038 1039 res = octeontx_port_open(nic); 1040 if (res < 0) 1041 goto err; 1042 1043 /* Rx side port configuration */ 1044 res = octeontx_pki_port_open(port); 1045 if (res != 0) { 1046 octeontx_log_err("failed to open PKI port %d", port); 1047 res = -ENODEV; 1048 goto err; 1049 } 1050 1051 eth_dev->device = &dev->device; 1052 eth_dev->intr_handle = NULL; 1053 eth_dev->data->kdrv = RTE_KDRV_NONE; 1054 eth_dev->data->numa_node = dev->device.numa_node; 1055 1056 data->port_id = eth_dev->data->port_id; 1057 1058 nic->ev_queues = 1; 1059 nic->ev_ports = 1; 1060 1061 data->dev_link.link_status = ETH_LINK_DOWN; 1062 data->dev_started = 0; 1063 data->promiscuous = 0; 1064 data->all_multicast = 0; 1065 data->scattered_rx = 0; 1066 1067 data->mac_addrs = rte_zmalloc_socket(octtx_name, ETHER_ADDR_LEN, 0, 1068 socket_id); 1069 if (data->mac_addrs == NULL) { 1070 octeontx_log_err("failed to allocate memory for mac_addrs"); 1071 res = -ENOMEM; 1072 goto err; 1073 } 1074 1075 eth_dev->dev_ops = &octeontx_dev_ops; 1076 1077 /* Finally save ethdev pointer to the NIC structure */ 1078 nic->dev = eth_dev; 1079 1080 if (nic->port_id != data->port_id) { 1081 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)", 1082 data->port_id, nic->port_id); 1083 res = -EINVAL; 1084 goto err; 1085 } 1086 1087 /* Update port_id mac to eth_dev */ 1088 memcpy(data->mac_addrs, nic->mac_addr, ETHER_ADDR_LEN); 1089 1090 PMD_INIT_LOG(DEBUG, "ethdev info: "); 1091 PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d", 1092 nic->port_id, nic->port_ena, 1093 nic->base_ochan, nic->num_ochans, 1094 nic->num_tx_queues); 1095 PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu); 1096 1097 rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7] 1098 [(nic->base_ochan >> 4) & 0xF] = data->port_id; 1099 1100 rte_eth_dev_probing_finish(eth_dev); 1101 return data->port_id; 1102 1103 err: 1104 if (nic) 1105 octeontx_port_close(nic); 1106 1107 rte_eth_dev_release_port(eth_dev); 1108 1109 return res; 1110 } 1111 1112 /* Un initialize octeontx device */ 1113 static int 1114 octeontx_remove(struct rte_vdev_device *dev) 1115 { 1116 char octtx_name[OCTEONTX_MAX_NAME_LEN]; 1117 struct rte_eth_dev *eth_dev = NULL; 1118 struct octeontx_nic *nic = NULL; 1119 int i; 1120 1121 if (dev == NULL) 1122 return -EINVAL; 1123 1124 for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) { 1125 sprintf(octtx_name, "eth_octeontx_%d", i); 1126 1127 /* reserve an ethdev entry */ 1128 eth_dev = rte_eth_dev_allocated(octtx_name); 1129 if (eth_dev == NULL) 1130 return -ENODEV; 1131 1132 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 1133 rte_eth_dev_release_port(eth_dev); 1134 continue; 1135 } 1136 1137 nic = octeontx_pmd_priv(eth_dev); 1138 rte_event_dev_stop(nic->evdev); 1139 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name); 1140 1141 rte_eth_dev_release_port(eth_dev); 1142 rte_event_dev_close(nic->evdev); 1143 } 1144 1145 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 1146 return 0; 1147 1148 /* Free FC resource */ 1149 octeontx_pko_fc_free(); 1150 1151 return 0; 1152 } 1153 1154 /* Initialize octeontx device */ 1155 static int 1156 octeontx_probe(struct rte_vdev_device *dev) 1157 { 1158 const char *dev_name; 1159 static int probe_once; 1160 uint8_t socket_id, qlist; 1161 int tx_vfcnt, port_id, evdev, qnum, pnum, res, i; 1162 struct rte_event_dev_config dev_conf; 1163 const char *eventdev_name = "event_octeontx"; 1164 struct rte_event_dev_info info; 1165 struct rte_eth_dev *eth_dev; 1166 1167 struct octeontx_vdev_init_params init_params = { 1168 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT 1169 }; 1170 1171 dev_name = rte_vdev_device_name(dev); 1172 1173 if (rte_eal_process_type() == RTE_PROC_SECONDARY && 1174 strlen(rte_vdev_device_args(dev)) == 0) { 1175 eth_dev = rte_eth_dev_attach_secondary(dev_name); 1176 if (!eth_dev) { 1177 RTE_LOG(ERR, PMD, "Failed to probe %s\n", dev_name); 1178 return -1; 1179 } 1180 /* TODO: request info from primary to set up Rx and Tx */ 1181 eth_dev->dev_ops = &octeontx_dev_ops; 1182 eth_dev->device = &dev->device; 1183 rte_eth_dev_probing_finish(eth_dev); 1184 return 0; 1185 } 1186 1187 res = octeontx_parse_vdev_init_params(&init_params, dev); 1188 if (res < 0) 1189 return -EINVAL; 1190 1191 if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) { 1192 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port, 1193 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT); 1194 return -ENOTSUP; 1195 } 1196 1197 PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name); 1198 1199 socket_id = rte_socket_id(); 1200 1201 tx_vfcnt = octeontx_pko_vf_count(); 1202 1203 if (tx_vfcnt < init_params.nr_port) { 1204 octeontx_log_err("not enough PKO (%d) for port number (%d)", 1205 tx_vfcnt, init_params.nr_port); 1206 return -EINVAL; 1207 } 1208 evdev = rte_event_dev_get_dev_id(eventdev_name); 1209 if (evdev < 0) { 1210 octeontx_log_err("eventdev %s not found", eventdev_name); 1211 return -ENODEV; 1212 } 1213 1214 res = rte_event_dev_info_get(evdev, &info); 1215 if (res < 0) { 1216 octeontx_log_err("failed to eventdev info %d", res); 1217 return -EINVAL; 1218 } 1219 1220 PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d", 1221 info.max_event_queues, info.max_event_ports); 1222 1223 if (octeontx_pko_init_fc(tx_vfcnt)) 1224 return -ENOMEM; 1225 1226 devconf_set_default_sane_values(&dev_conf, &info); 1227 res = rte_event_dev_configure(evdev, &dev_conf); 1228 if (res < 0) 1229 goto parse_error; 1230 1231 rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT, 1232 (uint32_t *)&pnum); 1233 rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT, 1234 (uint32_t *)&qnum); 1235 if (pnum < qnum) { 1236 octeontx_log_err("too few event ports (%d) for event_q(%d)", 1237 pnum, qnum); 1238 res = -EINVAL; 1239 goto parse_error; 1240 } 1241 1242 /* Enable all queues available */ 1243 for (i = 0; i < qnum; i++) { 1244 res = rte_event_queue_setup(evdev, i, NULL); 1245 if (res < 0) { 1246 octeontx_log_err("failed to setup event_q(%d): res %d", 1247 i, res); 1248 goto parse_error; 1249 } 1250 } 1251 1252 /* Enable all ports available */ 1253 for (i = 0; i < pnum; i++) { 1254 res = rte_event_port_setup(evdev, i, NULL); 1255 if (res < 0) { 1256 res = -ENODEV; 1257 octeontx_log_err("failed to setup ev port(%d) res=%d", 1258 i, res); 1259 goto parse_error; 1260 } 1261 } 1262 1263 /* 1264 * Do 1:1 links for ports & queues. All queues would be mapped to 1265 * one port. If there are more ports than queues, then some ports 1266 * won't be linked to any queue. 1267 */ 1268 for (i = 0; i < qnum; i++) { 1269 /* Link one queue to one event port */ 1270 qlist = i; 1271 res = rte_event_port_link(evdev, i, &qlist, NULL, 1); 1272 if (res < 0) { 1273 res = -ENODEV; 1274 octeontx_log_err("failed to link port (%d): res=%d", 1275 i, res); 1276 goto parse_error; 1277 } 1278 } 1279 1280 /* Create ethdev interface */ 1281 for (i = 0; i < init_params.nr_port; i++) { 1282 port_id = octeontx_create(dev, i, evdev, socket_id); 1283 if (port_id < 0) { 1284 octeontx_log_err("failed to create device %s", 1285 dev_name); 1286 res = -ENODEV; 1287 goto parse_error; 1288 } 1289 1290 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name, 1291 port_id); 1292 } 1293 1294 if (probe_once) { 1295 octeontx_log_err("interface %s not supported", dev_name); 1296 octeontx_remove(dev); 1297 res = -ENOTSUP; 1298 goto parse_error; 1299 } 1300 rte_mbuf_set_platform_mempool_ops("octeontx_fpavf"); 1301 probe_once = 1; 1302 1303 return 0; 1304 1305 parse_error: 1306 octeontx_pko_fc_free(); 1307 return res; 1308 } 1309 1310 static struct rte_vdev_driver octeontx_pmd_drv = { 1311 .probe = octeontx_probe, 1312 .remove = octeontx_remove, 1313 }; 1314 1315 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv); 1316 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx); 1317 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> "); 1318