drivers/net/octeontx/octeontx_ethdev.c

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