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 /* KEEP_CRC offload flag is not supported by PMD 285 * can remove the below block when DEV_RX_OFFLOAD_CRC_STRIP removed 286 */ 287 if (rte_eth_dev_must_keep_crc(rxmode->offloads)) { 288 PMD_INIT_LOG(NOTICE, "can't disable hw crc strip"); 289 rxmode->offloads |= DEV_RX_OFFLOAD_CRC_STRIP; 290 } 291 292 if (!(txmode->offloads & DEV_TX_OFFLOAD_MT_LOCKFREE)) { 293 PMD_INIT_LOG(NOTICE, "cant disable lockfree tx"); 294 txmode->offloads |= DEV_TX_OFFLOAD_MT_LOCKFREE; 295 } 296 297 if (conf->link_speeds & ETH_LINK_SPEED_FIXED) { 298 octeontx_log_err("setting link speed/duplex not supported"); 299 return -EINVAL; 300 } 301 302 if (conf->dcb_capability_en) { 303 octeontx_log_err("DCB enable not supported"); 304 return -EINVAL; 305 } 306 307 if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) { 308 octeontx_log_err("flow director not supported"); 309 return -EINVAL; 310 } 311 312 nic->num_tx_queues = dev->data->nb_tx_queues; 313 314 ret = octeontx_pko_channel_open(nic->port_id * PKO_VF_NUM_DQ, 315 nic->num_tx_queues, 316 nic->base_ochan); 317 if (ret) { 318 octeontx_log_err("failed to open channel %d no-of-txq %d", 319 nic->base_ochan, nic->num_tx_queues); 320 return -EFAULT; 321 } 322 323 nic->pki.classifier_enable = false; 324 nic->pki.hash_enable = true; 325 nic->pki.initialized = false; 326 327 return 0; 328 } 329 330 static void 331 octeontx_dev_close(struct rte_eth_dev *dev) 332 { 333 struct octeontx_txq *txq = NULL; 334 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 335 unsigned int i; 336 int ret; 337 338 PMD_INIT_FUNC_TRACE(); 339 340 rte_event_dev_close(nic->evdev); 341 342 ret = octeontx_pko_channel_close(nic->base_ochan); 343 if (ret < 0) { 344 octeontx_log_err("failed to close channel %d VF%d %d %d", 345 nic->base_ochan, nic->port_id, nic->num_tx_queues, 346 ret); 347 } 348 /* Free txq resources for this port */ 349 for (i = 0; i < nic->num_tx_queues; i++) { 350 txq = dev->data->tx_queues[i]; 351 if (!txq) 352 continue; 353 354 rte_free(txq); 355 } 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 dev->tx_pkt_burst = NULL; 451 dev->rx_pkt_burst = NULL; 452 } 453 454 static void 455 octeontx_dev_promisc_enable(struct rte_eth_dev *dev) 456 { 457 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 458 459 PMD_INIT_FUNC_TRACE(); 460 octeontx_port_promisc_set(nic, 1); 461 } 462 463 static void 464 octeontx_dev_promisc_disable(struct rte_eth_dev *dev) 465 { 466 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 467 468 PMD_INIT_FUNC_TRACE(); 469 octeontx_port_promisc_set(nic, 0); 470 } 471 472 static int 473 octeontx_port_link_status(struct octeontx_nic *nic) 474 { 475 int res; 476 477 PMD_INIT_FUNC_TRACE(); 478 res = octeontx_bgx_port_link_status(nic->port_id); 479 if (res < 0) { 480 octeontx_log_err("failed to get port %d link status", 481 nic->port_id); 482 return res; 483 } 484 485 nic->link_up = (uint8_t)res; 486 octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up); 487 488 return res; 489 } 490 491 /* 492 * Return 0 means link status changed, -1 means not changed 493 */ 494 static int 495 octeontx_dev_link_update(struct rte_eth_dev *dev, 496 int wait_to_complete __rte_unused) 497 { 498 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 499 struct rte_eth_link link; 500 int res; 501 502 PMD_INIT_FUNC_TRACE(); 503 504 res = octeontx_port_link_status(nic); 505 if (res < 0) { 506 octeontx_log_err("failed to request link status %d", res); 507 return res; 508 } 509 510 link.link_status = nic->link_up; 511 512 switch (nic->speed) { 513 case OCTEONTX_LINK_SPEED_SGMII: 514 link.link_speed = ETH_SPEED_NUM_1G; 515 break; 516 517 case OCTEONTX_LINK_SPEED_XAUI: 518 link.link_speed = ETH_SPEED_NUM_10G; 519 break; 520 521 case OCTEONTX_LINK_SPEED_RXAUI: 522 case OCTEONTX_LINK_SPEED_10G_R: 523 link.link_speed = ETH_SPEED_NUM_10G; 524 break; 525 case OCTEONTX_LINK_SPEED_QSGMII: 526 link.link_speed = ETH_SPEED_NUM_5G; 527 break; 528 case OCTEONTX_LINK_SPEED_40G_R: 529 link.link_speed = ETH_SPEED_NUM_40G; 530 break; 531 532 case OCTEONTX_LINK_SPEED_RESERVE1: 533 case OCTEONTX_LINK_SPEED_RESERVE2: 534 default: 535 link.link_speed = ETH_SPEED_NUM_NONE; 536 octeontx_log_err("incorrect link speed %d", nic->speed); 537 break; 538 } 539 540 link.link_duplex = ETH_LINK_FULL_DUPLEX; 541 link.link_autoneg = ETH_LINK_AUTONEG; 542 543 return rte_eth_linkstatus_set(dev, &link); 544 } 545 546 static int 547 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 548 { 549 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 550 551 PMD_INIT_FUNC_TRACE(); 552 return octeontx_port_stats(nic, stats); 553 } 554 555 static void 556 octeontx_dev_stats_reset(struct rte_eth_dev *dev) 557 { 558 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 559 560 PMD_INIT_FUNC_TRACE(); 561 octeontx_port_stats_clr(nic); 562 } 563 564 static int 565 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev, 566 struct ether_addr *addr) 567 { 568 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 569 int ret; 570 571 ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes); 572 if (ret != 0) 573 octeontx_log_err("failed to set MAC address on port %d", 574 nic->port_id); 575 576 return ret; 577 } 578 579 static void 580 octeontx_dev_info(struct rte_eth_dev *dev, 581 struct rte_eth_dev_info *dev_info) 582 { 583 RTE_SET_USED(dev); 584 585 /* Autonegotiation may be disabled */ 586 dev_info->speed_capa = ETH_LINK_SPEED_FIXED; 587 dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M | 588 ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G | 589 ETH_LINK_SPEED_40G; 590 591 dev_info->max_mac_addrs = 1; 592 dev_info->max_rx_pktlen = PKI_MAX_PKTLEN; 593 dev_info->max_rx_queues = 1; 594 dev_info->max_tx_queues = PKO_MAX_NUM_DQ; 595 dev_info->min_rx_bufsize = 0; 596 597 dev_info->default_rxconf = (struct rte_eth_rxconf) { 598 .rx_free_thresh = 0, 599 .rx_drop_en = 0, 600 .offloads = OCTEONTX_RX_OFFLOADS, 601 }; 602 603 dev_info->default_txconf = (struct rte_eth_txconf) { 604 .tx_free_thresh = 0, 605 .offloads = OCTEONTX_TX_OFFLOADS, 606 }; 607 608 dev_info->rx_offload_capa = OCTEONTX_RX_OFFLOADS; 609 dev_info->tx_offload_capa = OCTEONTX_TX_OFFLOADS; 610 } 611 612 static void 613 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out) 614 { 615 ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va; 616 ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va; 617 ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va; 618 } 619 620 static int 621 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic, 622 uint16_t qidx) 623 { 624 struct octeontx_txq *txq; 625 int res; 626 627 PMD_INIT_FUNC_TRACE(); 628 629 if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED) 630 return 0; 631 632 txq = dev->data->tx_queues[qidx]; 633 634 res = octeontx_pko_channel_query_dqs(nic->base_ochan, 635 &txq->dq, 636 sizeof(octeontx_dq_t), 637 txq->queue_id, 638 octeontx_dq_info_getter); 639 if (res < 0) { 640 res = -EFAULT; 641 goto close_port; 642 } 643 644 dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED; 645 return res; 646 647 close_port: 648 (void)octeontx_port_stop(nic); 649 octeontx_pko_channel_stop(nic->base_ochan); 650 octeontx_pko_channel_close(nic->base_ochan); 651 dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 652 return res; 653 } 654 655 static int 656 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx) 657 { 658 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 659 660 PMD_INIT_FUNC_TRACE(); 661 qidx = qidx % PKO_VF_NUM_DQ; 662 return octeontx_vf_start_tx_queue(dev, nic, qidx); 663 } 664 665 static inline int 666 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic, 667 uint16_t qidx) 668 { 669 int ret = 0; 670 671 RTE_SET_USED(nic); 672 PMD_INIT_FUNC_TRACE(); 673 674 if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED) 675 return 0; 676 677 dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 678 return ret; 679 } 680 681 static int 682 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx) 683 { 684 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 685 686 PMD_INIT_FUNC_TRACE(); 687 qidx = qidx % PKO_VF_NUM_DQ; 688 689 return octeontx_vf_stop_tx_queue(dev, nic, qidx); 690 } 691 692 static void 693 octeontx_dev_tx_queue_release(void *tx_queue) 694 { 695 struct octeontx_txq *txq = tx_queue; 696 int res; 697 698 PMD_INIT_FUNC_TRACE(); 699 700 if (txq) { 701 res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id); 702 if (res < 0) 703 octeontx_log_err("failed stop tx_queue(%d)\n", 704 txq->queue_id); 705 706 rte_free(txq); 707 } 708 } 709 710 static int 711 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx, 712 uint16_t nb_desc, unsigned int socket_id, 713 const struct rte_eth_txconf *tx_conf __rte_unused) 714 { 715 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 716 struct octeontx_txq *txq = NULL; 717 uint16_t dq_num; 718 int res = 0; 719 720 RTE_SET_USED(nb_desc); 721 RTE_SET_USED(socket_id); 722 723 dq_num = (nic->port_id * PKO_VF_NUM_DQ) + qidx; 724 725 /* Socket id check */ 726 if (socket_id != (unsigned int)SOCKET_ID_ANY && 727 socket_id != (unsigned int)nic->node) 728 PMD_TX_LOG(INFO, "socket_id expected %d, configured %d", 729 socket_id, nic->node); 730 731 /* Free memory prior to re-allocation if needed. */ 732 if (dev->data->tx_queues[qidx] != NULL) { 733 PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d", 734 qidx); 735 octeontx_dev_tx_queue_release(dev->data->tx_queues[qidx]); 736 dev->data->tx_queues[qidx] = NULL; 737 } 738 739 /* Allocating tx queue data structure */ 740 txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq), 741 RTE_CACHE_LINE_SIZE, nic->node); 742 if (txq == NULL) { 743 octeontx_log_err("failed to allocate txq=%d", qidx); 744 res = -ENOMEM; 745 goto err; 746 } 747 748 txq->eth_dev = dev; 749 txq->queue_id = dq_num; 750 dev->data->tx_queues[qidx] = txq; 751 dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 752 753 res = octeontx_pko_channel_query_dqs(nic->base_ochan, 754 &txq->dq, 755 sizeof(octeontx_dq_t), 756 txq->queue_id, 757 octeontx_dq_info_getter); 758 if (res < 0) { 759 res = -EFAULT; 760 goto err; 761 } 762 763 PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p", 764 qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va, 765 txq->dq.ioreg_va, 766 txq->dq.fc_status_va); 767 768 return res; 769 770 err: 771 if (txq) 772 rte_free(txq); 773 774 return res; 775 } 776 777 static int 778 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx, 779 uint16_t nb_desc, unsigned int socket_id, 780 const struct rte_eth_rxconf *rx_conf, 781 struct rte_mempool *mb_pool) 782 { 783 struct octeontx_nic *nic = octeontx_pmd_priv(dev); 784 struct rte_mempool_ops *mp_ops = NULL; 785 struct octeontx_rxq *rxq = NULL; 786 pki_pktbuf_cfg_t pktbuf_conf; 787 pki_hash_cfg_t pki_hash; 788 pki_qos_cfg_t pki_qos; 789 uintptr_t pool; 790 int ret, port; 791 uint16_t gaura; 792 unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx; 793 unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx; 794 795 RTE_SET_USED(nb_desc); 796 797 memset(&pktbuf_conf, 0, sizeof(pktbuf_conf)); 798 memset(&pki_hash, 0, sizeof(pki_hash)); 799 memset(&pki_qos, 0, sizeof(pki_qos)); 800 801 mp_ops = rte_mempool_get_ops(mb_pool->ops_index); 802 if (strcmp(mp_ops->name, "octeontx_fpavf")) { 803 octeontx_log_err("failed to find octeontx_fpavf mempool"); 804 return -ENOTSUP; 805 } 806 807 /* Handle forbidden configurations */ 808 if (nic->pki.classifier_enable) { 809 octeontx_log_err("cannot setup queue %d. " 810 "Classifier option unsupported", qidx); 811 return -EINVAL; 812 } 813 814 port = nic->port_id; 815 816 /* Rx deferred start is not supported */ 817 if (rx_conf->rx_deferred_start) { 818 octeontx_log_err("rx deferred start not supported"); 819 return -EINVAL; 820 } 821 822 /* Verify queue index */ 823 if (qidx >= dev->data->nb_rx_queues) { 824 octeontx_log_err("QID %d not supporteded (0 - %d available)\n", 825 qidx, (dev->data->nb_rx_queues - 1)); 826 return -ENOTSUP; 827 } 828 829 /* Socket id check */ 830 if (socket_id != (unsigned int)SOCKET_ID_ANY && 831 socket_id != (unsigned int)nic->node) 832 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d", 833 socket_id, nic->node); 834 835 /* Allocating rx queue data structure */ 836 rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq), 837 RTE_CACHE_LINE_SIZE, nic->node); 838 if (rxq == NULL) { 839 octeontx_log_err("failed to allocate rxq=%d", qidx); 840 return -ENOMEM; 841 } 842 843 if (!nic->pki.initialized) { 844 pktbuf_conf.port_type = 0; 845 pki_hash.port_type = 0; 846 pki_qos.port_type = 0; 847 848 pktbuf_conf.mmask.f_wqe_skip = 1; 849 pktbuf_conf.mmask.f_first_skip = 1; 850 pktbuf_conf.mmask.f_later_skip = 1; 851 pktbuf_conf.mmask.f_mbuff_size = 1; 852 pktbuf_conf.mmask.f_cache_mode = 1; 853 854 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP; 855 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP; 856 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP; 857 pktbuf_conf.mbuff_size = (mb_pool->elt_size - 858 RTE_PKTMBUF_HEADROOM - 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->tx_pkt_burst = octeontx_xmit_pkts; 1019 eth_dev->rx_pkt_burst = octeontx_recv_pkts; 1020 rte_eth_dev_probing_finish(eth_dev); 1021 return 0; 1022 } 1023 1024 nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id); 1025 if (nic == NULL) { 1026 octeontx_log_err("failed to allocate nic structure"); 1027 res = -ENOMEM; 1028 goto err; 1029 } 1030 1031 nic->port_id = port; 1032 nic->evdev = evdev; 1033 1034 res = octeontx_port_open(nic); 1035 if (res < 0) 1036 goto err; 1037 1038 /* Rx side port configuration */ 1039 res = octeontx_pki_port_open(port); 1040 if (res != 0) { 1041 octeontx_log_err("failed to open PKI port %d", port); 1042 res = -ENODEV; 1043 goto err; 1044 } 1045 1046 /* Reserve an ethdev entry */ 1047 eth_dev = rte_eth_dev_allocate(octtx_name); 1048 if (eth_dev == NULL) { 1049 octeontx_log_err("failed to allocate rte_eth_dev"); 1050 res = -ENOMEM; 1051 goto err; 1052 } 1053 1054 eth_dev->device = &dev->device; 1055 eth_dev->intr_handle = NULL; 1056 eth_dev->data->kdrv = RTE_KDRV_NONE; 1057 eth_dev->data->numa_node = dev->device.numa_node; 1058 1059 data = eth_dev->data; 1060 data->dev_private = nic; 1061 data->port_id = eth_dev->data->port_id; 1062 1063 nic->ev_queues = 1; 1064 nic->ev_ports = 1; 1065 1066 data->dev_link.link_status = ETH_LINK_DOWN; 1067 data->dev_started = 0; 1068 data->promiscuous = 0; 1069 data->all_multicast = 0; 1070 data->scattered_rx = 0; 1071 1072 data->mac_addrs = rte_zmalloc_socket(octtx_name, ETHER_ADDR_LEN, 0, 1073 socket_id); 1074 if (data->mac_addrs == NULL) { 1075 octeontx_log_err("failed to allocate memory for mac_addrs"); 1076 res = -ENOMEM; 1077 goto err; 1078 } 1079 1080 eth_dev->dev_ops = &octeontx_dev_ops; 1081 1082 /* Finally save ethdev pointer to the NIC structure */ 1083 nic->dev = eth_dev; 1084 1085 if (nic->port_id != data->port_id) { 1086 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)", 1087 data->port_id, nic->port_id); 1088 res = -EINVAL; 1089 goto err; 1090 } 1091 1092 /* Update port_id mac to eth_dev */ 1093 memcpy(data->mac_addrs, nic->mac_addr, ETHER_ADDR_LEN); 1094 1095 PMD_INIT_LOG(DEBUG, "ethdev info: "); 1096 PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d", 1097 nic->port_id, nic->port_ena, 1098 nic->base_ochan, nic->num_ochans, 1099 nic->num_tx_queues); 1100 PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu); 1101 1102 rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7] 1103 [(nic->base_ochan >> 4) & 0xF] = data->port_id; 1104 1105 rte_eth_dev_probing_finish(eth_dev); 1106 return data->port_id; 1107 1108 err: 1109 if (nic) 1110 octeontx_port_close(nic); 1111 1112 if (eth_dev != NULL) { 1113 rte_free(eth_dev->data->mac_addrs); 1114 rte_free(data); 1115 rte_free(nic); 1116 rte_eth_dev_release_port(eth_dev); 1117 } 1118 1119 return res; 1120 } 1121 1122 /* Un initialize octeontx device */ 1123 static int 1124 octeontx_remove(struct rte_vdev_device *dev) 1125 { 1126 char octtx_name[OCTEONTX_MAX_NAME_LEN]; 1127 struct rte_eth_dev *eth_dev = NULL; 1128 struct octeontx_nic *nic = NULL; 1129 int i; 1130 1131 if (dev == NULL) 1132 return -EINVAL; 1133 1134 for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) { 1135 sprintf(octtx_name, "eth_octeontx_%d", i); 1136 1137 /* reserve an ethdev entry */ 1138 eth_dev = rte_eth_dev_allocated(octtx_name); 1139 if (eth_dev == NULL) 1140 return -ENODEV; 1141 1142 nic = octeontx_pmd_priv(eth_dev); 1143 rte_event_dev_stop(nic->evdev); 1144 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name); 1145 1146 rte_free(eth_dev->data->mac_addrs); 1147 rte_free(eth_dev->data->dev_private); 1148 rte_eth_dev_release_port(eth_dev); 1149 rte_event_dev_close(nic->evdev); 1150 } 1151 1152 /* Free FC resource */ 1153 octeontx_pko_fc_free(); 1154 1155 return 0; 1156 } 1157 1158 /* Initialize octeontx device */ 1159 static int 1160 octeontx_probe(struct rte_vdev_device *dev) 1161 { 1162 const char *dev_name; 1163 static int probe_once; 1164 uint8_t socket_id, qlist; 1165 int tx_vfcnt, port_id, evdev, qnum, pnum, res, i; 1166 struct rte_event_dev_config dev_conf; 1167 const char *eventdev_name = "event_octeontx"; 1168 struct rte_event_dev_info info; 1169 struct rte_eth_dev *eth_dev; 1170 1171 struct octeontx_vdev_init_params init_params = { 1172 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT 1173 }; 1174 1175 dev_name = rte_vdev_device_name(dev); 1176 1177 if (rte_eal_process_type() == RTE_PROC_SECONDARY && 1178 strlen(rte_vdev_device_args(dev)) == 0) { 1179 eth_dev = rte_eth_dev_attach_secondary(dev_name); 1180 if (!eth_dev) { 1181 RTE_LOG(ERR, PMD, "Failed to probe %s\n", dev_name); 1182 return -1; 1183 } 1184 /* TODO: request info from primary to set up Rx and Tx */ 1185 eth_dev->dev_ops = &octeontx_dev_ops; 1186 rte_eth_dev_probing_finish(eth_dev); 1187 return 0; 1188 } 1189 1190 res = octeontx_parse_vdev_init_params(&init_params, dev); 1191 if (res < 0) 1192 return -EINVAL; 1193 1194 if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) { 1195 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port, 1196 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT); 1197 return -ENOTSUP; 1198 } 1199 1200 PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name); 1201 1202 socket_id = rte_socket_id(); 1203 1204 tx_vfcnt = octeontx_pko_vf_count(); 1205 1206 if (tx_vfcnt < init_params.nr_port) { 1207 octeontx_log_err("not enough PKO (%d) for port number (%d)", 1208 tx_vfcnt, init_params.nr_port); 1209 return -EINVAL; 1210 } 1211 evdev = rte_event_dev_get_dev_id(eventdev_name); 1212 if (evdev < 0) { 1213 octeontx_log_err("eventdev %s not found", eventdev_name); 1214 return -ENODEV; 1215 } 1216 1217 res = rte_event_dev_info_get(evdev, &info); 1218 if (res < 0) { 1219 octeontx_log_err("failed to eventdev info %d", res); 1220 return -EINVAL; 1221 } 1222 1223 PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d", 1224 info.max_event_queues, info.max_event_ports); 1225 1226 if (octeontx_pko_init_fc(tx_vfcnt)) 1227 return -ENOMEM; 1228 1229 devconf_set_default_sane_values(&dev_conf, &info); 1230 res = rte_event_dev_configure(evdev, &dev_conf); 1231 if (res < 0) 1232 goto parse_error; 1233 1234 rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT, 1235 (uint32_t *)&pnum); 1236 rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT, 1237 (uint32_t *)&qnum); 1238 if (pnum < qnum) { 1239 octeontx_log_err("too few event ports (%d) for event_q(%d)", 1240 pnum, qnum); 1241 res = -EINVAL; 1242 goto parse_error; 1243 } 1244 if (pnum > qnum) { 1245 /* 1246 * We don't poll on event ports 1247 * that do not have any queues assigned. 1248 */ 1249 pnum = qnum; 1250 PMD_INIT_LOG(INFO, 1251 "reducing number of active event ports to %d", pnum); 1252 } 1253 for (i = 0; i < qnum; i++) { 1254 res = rte_event_queue_setup(evdev, i, NULL); 1255 if (res < 0) { 1256 octeontx_log_err("failed to setup event_q(%d): res %d", 1257 i, res); 1258 goto parse_error; 1259 } 1260 } 1261 1262 for (i = 0; i < pnum; i++) { 1263 res = rte_event_port_setup(evdev, i, NULL); 1264 if (res < 0) { 1265 res = -ENODEV; 1266 octeontx_log_err("failed to setup ev port(%d) res=%d", 1267 i, res); 1268 goto parse_error; 1269 } 1270 /* Link one queue to one event port */ 1271 qlist = i; 1272 res = rte_event_port_link(evdev, i, &qlist, NULL, 1); 1273 if (res < 0) { 1274 res = -ENODEV; 1275 octeontx_log_err("failed to link port (%d): res=%d", 1276 i, res); 1277 goto parse_error; 1278 } 1279 } 1280 1281 /* Create ethdev interface */ 1282 for (i = 0; i < init_params.nr_port; i++) { 1283 port_id = octeontx_create(dev, i, evdev, socket_id); 1284 if (port_id < 0) { 1285 octeontx_log_err("failed to create device %s", 1286 dev_name); 1287 res = -ENODEV; 1288 goto parse_error; 1289 } 1290 1291 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name, 1292 port_id); 1293 } 1294 1295 if (probe_once) { 1296 octeontx_log_err("interface %s not supported", dev_name); 1297 octeontx_remove(dev); 1298 res = -ENOTSUP; 1299 goto parse_error; 1300 } 1301 rte_mbuf_set_platform_mempool_ops("octeontx_fpavf"); 1302 probe_once = 1; 1303 1304 return 0; 1305 1306 parse_error: 1307 octeontx_pko_fc_free(); 1308 return res; 1309 } 1310 1311 static struct rte_vdev_driver octeontx_pmd_drv = { 1312 .probe = octeontx_probe, 1313 .remove = octeontx_remove, 1314 }; 1315 1316 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv); 1317 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx); 1318 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> "); 1319