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         if (!rxmode->hw_strip_crc) {
 287                 PMD_INIT_LOG(NOTICE, "can't disable hw crc strip");
 288                 rxmode->hw_strip_crc = 1;
 289         }
 290
 291         if (rxmode->hw_ip_checksum) {
 292                 PMD_INIT_LOG(NOTICE, "rxcksum not supported");
 293                 rxmode->hw_ip_checksum = 0;
 294         }
 295
 296         if (rxmode->split_hdr_size) {
 297                 octeontx_log_err("rxmode does not support split header");
 298                 return -EINVAL;
 299         }
 300
 301         if (rxmode->hw_vlan_filter) {
 302                 octeontx_log_err("VLAN filter not supported");
 303                 return -EINVAL;
 304         }
 305
 306         if (rxmode->hw_vlan_extend) {
 307                 octeontx_log_err("VLAN extended not supported");
 308                 return -EINVAL;
 309         }
 310
 311         if (rxmode->enable_lro) {
 312                 octeontx_log_err("LRO not supported");
 313                 return -EINVAL;
 314         }
 315
 316         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
 317                 octeontx_log_err("setting link speed/duplex not supported");
 318                 return -EINVAL;
 319         }
 320
 321         if (conf->dcb_capability_en) {
 322                 octeontx_log_err("DCB enable not supported");
 323                 return -EINVAL;
 324         }
 325
 326         if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
 327                 octeontx_log_err("flow director not supported");
 328                 return -EINVAL;
 329         }
 330
 331         nic->num_tx_queues = dev->data->nb_tx_queues;
 332
 333         ret = octeontx_pko_channel_open(nic->port_id * PKO_VF_NUM_DQ,
 334                                         nic->num_tx_queues,
 335                                         nic->base_ochan);
 336         if (ret) {
 337                 octeontx_log_err("failed to open channel %d no-of-txq %d",
 338                            nic->base_ochan, nic->num_tx_queues);
 339                 return -EFAULT;
 340         }
 341
 342         nic->pki.classifier_enable = false;
 343         nic->pki.hash_enable = true;
 344         nic->pki.initialized = false;
 345
 346         return 0;
 347 }
 348
 349 static void
 350 octeontx_dev_close(struct rte_eth_dev *dev)
 351 {
 352         struct octeontx_txq *txq = NULL;
 353         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 354         unsigned int i;
 355         int ret;
 356
 357         PMD_INIT_FUNC_TRACE();
 358
 359         rte_event_dev_close(nic->evdev);
 360
 361         ret = octeontx_pko_channel_close(nic->base_ochan);
 362         if (ret < 0) {
 363                 octeontx_log_err("failed to close channel %d VF%d %d %d",
 364                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 365                              ret);
 366         }
 367         /* Free txq resources for this port */
 368         for (i = 0; i < nic->num_tx_queues; i++) {
 369                 txq = dev->data->tx_queues[i];
 370                 if (!txq)
 371                         continue;
 372
 373                 rte_free(txq);
 374         }
 375 }
 376
 377 static int
 378 octeontx_dev_start(struct rte_eth_dev *dev)
 379 {
 380         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 381         int ret;
 382
 383         ret = 0;
 384
 385         PMD_INIT_FUNC_TRACE();
 386         /*
 387          * Tx start
 388          */
 389         dev->tx_pkt_burst = octeontx_xmit_pkts;
 390         ret = octeontx_pko_channel_start(nic->base_ochan);
 391         if (ret < 0) {
 392                 octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
 393                            nic->port_id, nic->num_tx_queues, nic->base_ochan,
 394                            ret);
 395                 goto error;
 396         }
 397
 398         /*
 399          * Rx start
 400          */
 401         dev->rx_pkt_burst = octeontx_recv_pkts;
 402         ret = octeontx_pki_port_start(nic->port_id);
 403         if (ret < 0) {
 404                 octeontx_log_err("fail to start Rx on port %d", nic->port_id);
 405                 goto channel_stop_error;
 406         }
 407
 408         /*
 409          * Start port
 410          */
 411         ret = octeontx_port_start(nic);
 412         if (ret < 0) {
 413                 octeontx_log_err("failed start port %d", ret);
 414                 goto pki_port_stop_error;
 415         }
 416
 417         PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
 418                         nic->base_ochan, nic->num_tx_queues, nic->port_id);
 419
 420         ret = rte_event_dev_start(nic->evdev);
 421         if (ret < 0) {
 422                 octeontx_log_err("failed to start evdev: ret (%d)", ret);
 423                 goto pki_port_stop_error;
 424         }
 425
 426         /* Success */
 427         return ret;
 428
 429 pki_port_stop_error:
 430         octeontx_pki_port_stop(nic->port_id);
 431 channel_stop_error:
 432         octeontx_pko_channel_stop(nic->base_ochan);
 433 error:
 434         return ret;
 435 }
 436
 437 static void
 438 octeontx_dev_stop(struct rte_eth_dev *dev)
 439 {
 440         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 441         int ret;
 442
 443         PMD_INIT_FUNC_TRACE();
 444
 445         rte_event_dev_stop(nic->evdev);
 446
 447         ret = octeontx_port_stop(nic);
 448         if (ret < 0) {
 449                 octeontx_log_err("failed to req stop port %d res=%d",
 450                                         nic->port_id, ret);
 451                 return;
 452         }
 453
 454         ret = octeontx_pki_port_stop(nic->port_id);
 455         if (ret < 0) {
 456                 octeontx_log_err("failed to stop pki port %d res=%d",
 457                                         nic->port_id, ret);
 458                 return;
 459         }
 460
 461         ret = octeontx_pko_channel_stop(nic->base_ochan);
 462         if (ret < 0) {
 463                 octeontx_log_err("failed to stop channel %d VF%d %d %d",
 464                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 465                              ret);
 466                 return;
 467         }
 468
 469         dev->tx_pkt_burst = NULL;
 470         dev->rx_pkt_burst = NULL;
 471 }
 472
 473 static void
 474 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
 475 {
 476         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 477
 478         PMD_INIT_FUNC_TRACE();
 479         octeontx_port_promisc_set(nic, 1);
 480 }
 481
 482 static void
 483 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
 484 {
 485         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 486
 487         PMD_INIT_FUNC_TRACE();
 488         octeontx_port_promisc_set(nic, 0);
 489 }
 490
 491 static inline int
 492 octeontx_atomic_write_link_status(struct rte_eth_dev *dev,
 493                                   struct rte_eth_link *link)
 494 {
 495         struct rte_eth_link *dst = &dev->data->dev_link;
 496         struct rte_eth_link *src = link;
 497
 498         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 499                 *(uint64_t *)src) == 0)
 500                 return -1;
 501
 502         return 0;
 503 }
 504
 505 static int
 506 octeontx_port_link_status(struct octeontx_nic *nic)
 507 {
 508         int res;
 509
 510         PMD_INIT_FUNC_TRACE();
 511         res = octeontx_bgx_port_link_status(nic->port_id);
 512         if (res < 0) {
 513                 octeontx_log_err("failed to get port %d link status",
 514                                 nic->port_id);
 515                 return res;
 516         }
 517
 518         nic->link_up = (uint8_t)res;
 519         octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
 520
 521         return res;
 522 }
 523
 524 /*
 525  * Return 0 means link status changed, -1 means not changed
 526  */
 527 static int
 528 octeontx_dev_link_update(struct rte_eth_dev *dev,
 529                          int wait_to_complete __rte_unused)
 530 {
 531         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 532         struct rte_eth_link link;
 533         int res;
 534
 535         res = 0;
 536         PMD_INIT_FUNC_TRACE();
 537
 538         res = octeontx_port_link_status(nic);
 539         if (res < 0) {
 540                 octeontx_log_err("failed to request link status %d", res);
 541                 return res;
 542         }
 543
 544         link.link_status = nic->link_up;
 545
 546         switch (nic->speed) {
 547         case OCTEONTX_LINK_SPEED_SGMII:
 548                 link.link_speed = ETH_SPEED_NUM_1G;
 549                 break;
 550
 551         case OCTEONTX_LINK_SPEED_XAUI:
 552                 link.link_speed = ETH_SPEED_NUM_10G;
 553                 break;
 554
 555         case OCTEONTX_LINK_SPEED_RXAUI:
 556         case OCTEONTX_LINK_SPEED_10G_R:
 557                 link.link_speed = ETH_SPEED_NUM_10G;
 558                 break;
 559         case OCTEONTX_LINK_SPEED_QSGMII:
 560                 link.link_speed = ETH_SPEED_NUM_5G;
 561                 break;
 562         case OCTEONTX_LINK_SPEED_40G_R:
 563                 link.link_speed = ETH_SPEED_NUM_40G;
 564                 break;
 565
 566         case OCTEONTX_LINK_SPEED_RESERVE1:
 567         case OCTEONTX_LINK_SPEED_RESERVE2:
 568         default:
 569                 octeontx_log_err("incorrect link speed %d", nic->speed);
 570                 break;
 571         }
 572
 573         link.link_duplex = ETH_LINK_FULL_DUPLEX;
 574         link.link_autoneg = ETH_LINK_AUTONEG;
 575
 576         return octeontx_atomic_write_link_status(dev, &link);
 577 }
 578
 579 static int
 580 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 581 {
 582         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 583
 584         PMD_INIT_FUNC_TRACE();
 585         return octeontx_port_stats(nic, stats);
 586 }
 587
 588 static void
 589 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
 590 {
 591         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 592
 593         PMD_INIT_FUNC_TRACE();
 594         octeontx_port_stats_clr(nic);
 595 }
 596
 597 static void
 598 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
 599                                         struct ether_addr *addr)
 600 {
 601         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 602         int ret;
 603
 604         ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
 605         if (ret != 0)
 606                 octeontx_log_err("failed to set MAC address on port %d",
 607                                 nic->port_id);
 608 }
 609
 610 static void
 611 octeontx_dev_info(struct rte_eth_dev *dev,
 612                 struct rte_eth_dev_info *dev_info)
 613 {
 614         RTE_SET_USED(dev);
 615
 616         /* Autonegotiation may be disabled */
 617         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
 618         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
 619                         ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
 620                         ETH_LINK_SPEED_40G;
 621
 622         dev_info->driver_name = RTE_STR(rte_octeontx_pmd);
 623         dev_info->max_mac_addrs = 1;
 624         dev_info->max_rx_pktlen = PKI_MAX_PKTLEN;
 625         dev_info->max_rx_queues = 1;
 626         dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
 627         dev_info->min_rx_bufsize = 0;
 628         dev_info->pci_dev = NULL;
 629
 630         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 631                 .rx_free_thresh = 0,
 632                 .rx_drop_en = 0,
 633         };
 634
 635         dev_info->default_txconf = (struct rte_eth_txconf) {
 636                 .tx_free_thresh = 0,
 637                 .txq_flags =
 638                         ETH_TXQ_FLAGS_NOMULTSEGS |
 639                         ETH_TXQ_FLAGS_NOOFFLOADS |
 640                         ETH_TXQ_FLAGS_NOXSUMS,
 641         };
 642
 643         dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MT_LOCKFREE;
 644 }
 645
 646 static void
 647 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
 648 {
 649         ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
 650         ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
 651         ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
 652 }
 653
 654 static int
 655 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 656                                 uint16_t qidx)
 657 {
 658         struct octeontx_txq *txq;
 659         int res;
 660
 661         PMD_INIT_FUNC_TRACE();
 662
 663         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
 664                 return 0;
 665
 666         txq = dev->data->tx_queues[qidx];
 667
 668         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 669                                                 &txq->dq,
 670                                                 sizeof(octeontx_dq_t),
 671                                                 txq->queue_id,
 672                                                 octeontx_dq_info_getter);
 673         if (res < 0) {
 674                 res = -EFAULT;
 675                 goto close_port;
 676         }
 677
 678         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
 679         return res;
 680
 681 close_port:
 682         (void)octeontx_port_stop(nic);
 683         octeontx_pko_channel_stop(nic->base_ochan);
 684         octeontx_pko_channel_close(nic->base_ochan);
 685         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 686         return res;
 687 }
 688
 689 static int
 690 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
 691 {
 692         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 693
 694         PMD_INIT_FUNC_TRACE();
 695         qidx = qidx % PKO_VF_NUM_DQ;
 696         return octeontx_vf_start_tx_queue(dev, nic, qidx);
 697 }
 698
 699 static inline int
 700 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 701                           uint16_t qidx)
 702 {
 703         int ret = 0;
 704
 705         RTE_SET_USED(nic);
 706         PMD_INIT_FUNC_TRACE();
 707
 708         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
 709                 return 0;
 710
 711         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 712         return ret;
 713 }
 714
 715 static int
 716 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
 717 {
 718         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 719
 720         PMD_INIT_FUNC_TRACE();
 721         qidx = qidx % PKO_VF_NUM_DQ;
 722
 723         return octeontx_vf_stop_tx_queue(dev, nic, qidx);
 724 }
 725
 726 static void
 727 octeontx_dev_tx_queue_release(void *tx_queue)
 728 {
 729         struct octeontx_txq *txq = tx_queue;
 730         int res;
 731
 732         PMD_INIT_FUNC_TRACE();
 733
 734         if (txq) {
 735                 res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id);
 736                 if (res < 0)
 737                         octeontx_log_err("failed stop tx_queue(%d)\n",
 738                                    txq->queue_id);
 739
 740                 rte_free(txq);
 741         }
 742 }
 743
 744 static int
 745 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 746                             uint16_t nb_desc, unsigned int socket_id,
 747                             const struct rte_eth_txconf *tx_conf)
 748 {
 749         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 750         struct octeontx_txq *txq = NULL;
 751         uint16_t dq_num;
 752         int res = 0;
 753
 754         RTE_SET_USED(nb_desc);
 755         RTE_SET_USED(socket_id);
 756         RTE_SET_USED(tx_conf);
 757
 758         dq_num = (nic->port_id * PKO_VF_NUM_DQ) + qidx;
 759
 760         /* Socket id check */
 761         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 762                         socket_id != (unsigned int)nic->node)
 763                 PMD_TX_LOG(INFO, "socket_id expected %d, configured %d",
 764                                                 socket_id, nic->node);
 765
 766         /* Free memory prior to re-allocation if needed. */
 767         if (dev->data->tx_queues[qidx] != NULL) {
 768                 PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d",
 769                                 qidx);
 770                 octeontx_dev_tx_queue_release(dev->data->tx_queues[qidx]);
 771                 dev->data->tx_queues[qidx] = NULL;
 772         }
 773
 774         /* Allocating tx queue data structure */
 775         txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq),
 776                                  RTE_CACHE_LINE_SIZE, nic->node);
 777         if (txq == NULL) {
 778                 octeontx_log_err("failed to allocate txq=%d", qidx);
 779                 res = -ENOMEM;
 780                 goto err;
 781         }
 782
 783         txq->eth_dev = dev;
 784         txq->queue_id = dq_num;
 785         dev->data->tx_queues[qidx] = txq;
 786         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 787
 788         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 789                                                 &txq->dq,
 790                                                 sizeof(octeontx_dq_t),
 791                                                 txq->queue_id,
 792                                                 octeontx_dq_info_getter);
 793         if (res < 0) {
 794                 res = -EFAULT;
 795                 goto err;
 796         }
 797
 798         PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p",
 799                         qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va,
 800                         txq->dq.ioreg_va,
 801                         txq->dq.fc_status_va);
 802
 803         return res;
 804
 805 err:
 806         if (txq)
 807                 rte_free(txq);
 808
 809         return res;
 810 }
 811
 812 static int
 813 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 814                                 uint16_t nb_desc, unsigned int socket_id,
 815                                 const struct rte_eth_rxconf *rx_conf,
 816                                 struct rte_mempool *mb_pool)
 817 {
 818         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 819         struct rte_mempool_ops *mp_ops = NULL;
 820         struct octeontx_rxq *rxq = NULL;
 821         pki_pktbuf_cfg_t pktbuf_conf;
 822         pki_hash_cfg_t pki_hash;
 823         pki_qos_cfg_t pki_qos;
 824         uintptr_t pool;
 825         int ret, port;
 826         uint8_t gaura;
 827         unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx;
 828         unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx;
 829
 830         RTE_SET_USED(nb_desc);
 831
 832         memset(&pktbuf_conf, 0, sizeof(pktbuf_conf));
 833         memset(&pki_hash, 0, sizeof(pki_hash));
 834         memset(&pki_qos, 0, sizeof(pki_qos));
 835
 836         mp_ops = rte_mempool_get_ops(mb_pool->ops_index);
 837         if (strcmp(mp_ops->name, "octeontx_fpavf")) {
 838                 octeontx_log_err("failed to find octeontx_fpavf mempool");
 839                 return -ENOTSUP;
 840         }
 841
 842         /* Handle forbidden configurations */
 843         if (nic->pki.classifier_enable) {
 844                 octeontx_log_err("cannot setup queue %d. "
 845                                         "Classifier option unsupported", qidx);
 846                 return -EINVAL;
 847         }
 848
 849         port = nic->port_id;
 850
 851         /* Rx deferred start is not supported */
 852         if (rx_conf->rx_deferred_start) {
 853                 octeontx_log_err("rx deferred start not supported");
 854                 return -EINVAL;
 855         }
 856
 857         /* Verify queue index */
 858         if (qidx >= dev->data->nb_rx_queues) {
 859                 octeontx_log_err("QID %d not supporteded (0 - %d available)\n",
 860                                 qidx, (dev->data->nb_rx_queues - 1));
 861                 return -ENOTSUP;
 862         }
 863
 864         /* Socket id check */
 865         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 866                         socket_id != (unsigned int)nic->node)
 867                 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d",
 868                                                 socket_id, nic->node);
 869
 870         /* Allocating rx queue data structure */
 871         rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq),
 872                                  RTE_CACHE_LINE_SIZE, nic->node);
 873         if (rxq == NULL) {
 874                 octeontx_log_err("failed to allocate rxq=%d", qidx);
 875                 return -ENOMEM;
 876         }
 877
 878         if (!nic->pki.initialized) {
 879                 pktbuf_conf.port_type = 0;
 880                 pki_hash.port_type = 0;
 881                 pki_qos.port_type = 0;
 882
 883                 pktbuf_conf.mmask.f_wqe_skip = 1;
 884                 pktbuf_conf.mmask.f_first_skip = 1;
 885                 pktbuf_conf.mmask.f_later_skip = 1;
 886                 pktbuf_conf.mmask.f_mbuff_size = 1;
 887                 pktbuf_conf.mmask.f_cache_mode = 1;
 888
 889                 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
 890                 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP;
 891                 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
 892                 pktbuf_conf.mbuff_size = (mb_pool->elt_size -
 893                                         RTE_PKTMBUF_HEADROOM -
 894                                         sizeof(struct rte_mbuf));
 895
 896                 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
 897
 898                 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
 899                 if (ret != 0) {
 900                         octeontx_log_err("fail to configure pktbuf for port %d",
 901                                         port);
 902                         rte_free(rxq);
 903                         return ret;
 904                 }
 905                 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
 906                                 "\tmbuf_size:\t0x%0x\n"
 907                                 "\twqe_skip:\t0x%0x\n"
 908                                 "\tfirst_skip:\t0x%0x\n"
 909                                 "\tlater_skip:\t0x%0x\n"
 910                                 "\tcache_mode:\t%s\n",
 911                                 port,
 912                                 pktbuf_conf.mbuff_size,
 913                                 pktbuf_conf.wqe_skip,
 914                                 pktbuf_conf.first_skip,
 915                                 pktbuf_conf.later_skip,
 916                                 (pktbuf_conf.cache_mode ==
 917                                                 PKI_OPC_MODE_STT) ?
 918                                 "STT" :
 919                                 (pktbuf_conf.cache_mode ==
 920                                                 PKI_OPC_MODE_STF) ?
 921                                 "STF" :
 922                                 (pktbuf_conf.cache_mode ==
 923                                                 PKI_OPC_MODE_STF1_STT) ?
 924                                 "STF1_STT" : "STF2_STT");
 925
 926                 if (nic->pki.hash_enable) {
 927                         pki_hash.tag_dlc = 1;
 928                         pki_hash.tag_slc = 1;
 929                         pki_hash.tag_dlf = 1;
 930                         pki_hash.tag_slf = 1;
 931                         pki_hash.tag_prt = 1;
 932                         octeontx_pki_port_hash_config(port, &pki_hash);
 933                 }
 934
 935                 pool = (uintptr_t)mb_pool->pool_id;
 936
 937                 /* Get the gpool Id */
 938                 gaura = octeontx_fpa_bufpool_gpool(pool);
 939
 940                 pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
 941                 pki_qos.num_entry = 1;
 942                 pki_qos.drop_policy = 0;
 943                 pki_qos.tag_type = 0L;
 944                 pki_qos.qos_entry[0].port_add = 0;
 945                 pki_qos.qos_entry[0].gaura = gaura;
 946                 pki_qos.qos_entry[0].ggrp_ok = ev_queues;
 947                 pki_qos.qos_entry[0].ggrp_bad = ev_queues;
 948                 pki_qos.qos_entry[0].grptag_bad = 0;
 949                 pki_qos.qos_entry[0].grptag_ok = 0;
 950
 951                 ret = octeontx_pki_port_create_qos(port, &pki_qos);
 952                 if (ret < 0) {
 953                         octeontx_log_err("failed to create QOS port=%d, q=%d",
 954                                         port, qidx);
 955                         rte_free(rxq);
 956                         return ret;
 957                 }
 958                 nic->pki.initialized = true;
 959         }
 960
 961         rxq->port_id = nic->port_id;
 962         rxq->eth_dev = dev;
 963         rxq->queue_id = qidx;
 964         rxq->evdev = nic->evdev;
 965         rxq->ev_queues = ev_queues;
 966         rxq->ev_ports = ev_ports;
 967
 968         dev->data->rx_queues[qidx] = rxq;
 969         dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 970         return 0;
 971 }
 972
 973 static void
 974 octeontx_dev_rx_queue_release(void *rxq)
 975 {
 976         rte_free(rxq);
 977 }
 978
 979 static const uint32_t *
 980 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 981 {
 982         static const uint32_t ptypes[] = {
 983                 RTE_PTYPE_L3_IPV4,
 984                 RTE_PTYPE_L3_IPV4_EXT,
 985                 RTE_PTYPE_L3_IPV6,
 986                 RTE_PTYPE_L3_IPV6_EXT,
 987                 RTE_PTYPE_L4_TCP,
 988                 RTE_PTYPE_L4_UDP,
 989                 RTE_PTYPE_L4_FRAG,
 990                 RTE_PTYPE_UNKNOWN
 991         };
 992
 993         if (dev->rx_pkt_burst == octeontx_recv_pkts)
 994                 return ptypes;
 995
 996         return NULL;
 997 }
 998
 999 static int
1000 octeontx_pool_ops(struct rte_eth_dev *dev, const char *pool)
1001 {
1002         RTE_SET_USED(dev);
1003
1004         if (!strcmp(pool, "octeontx_fpavf"))
1005                 return 0;
1006
1007         return -ENOTSUP;
1008 }
1009
1010 /* Initialize and register driver with DPDK Application */
1011 static const struct eth_dev_ops octeontx_dev_ops = {
1012         .dev_configure           = octeontx_dev_configure,
1013         .dev_infos_get           = octeontx_dev_info,
1014         .dev_close               = octeontx_dev_close,
1015         .dev_start               = octeontx_dev_start,
1016         .dev_stop                = octeontx_dev_stop,
1017         .promiscuous_enable      = octeontx_dev_promisc_enable,
1018         .promiscuous_disable     = octeontx_dev_promisc_disable,
1019         .link_update             = octeontx_dev_link_update,
1020         .stats_get               = octeontx_dev_stats_get,
1021         .stats_reset             = octeontx_dev_stats_reset,
1022         .mac_addr_set            = octeontx_dev_default_mac_addr_set,
1023         .tx_queue_start          = octeontx_dev_tx_queue_start,
1024         .tx_queue_stop           = octeontx_dev_tx_queue_stop,
1025         .tx_queue_setup          = octeontx_dev_tx_queue_setup,
1026         .tx_queue_release        = octeontx_dev_tx_queue_release,
1027         .rx_queue_setup          = octeontx_dev_rx_queue_setup,
1028         .rx_queue_release        = octeontx_dev_rx_queue_release,
1029         .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
1030         .pool_ops_supported      = octeontx_pool_ops,
1031 };
1032
1033 /* Create Ethdev interface per BGX LMAC ports */
1034 static int
1035 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
1036                         int socket_id)
1037 {
1038         int res;
1039         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1040         struct octeontx_nic *nic = NULL;
1041         struct rte_eth_dev *eth_dev = NULL;
1042         struct rte_eth_dev_data *data = NULL;
1043         const char *name = rte_vdev_device_name(dev);
1044
1045         PMD_INIT_FUNC_TRACE();
1046
1047         sprintf(octtx_name, "%s_%d", name, port);
1048         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1049                 eth_dev = rte_eth_dev_attach_secondary(octtx_name);
1050                 if (eth_dev == NULL)
1051                         return -ENODEV;
1052
1053                 eth_dev->tx_pkt_burst = octeontx_xmit_pkts;
1054                 eth_dev->rx_pkt_burst = octeontx_recv_pkts;
1055                 return 0;
1056         }
1057
1058         data = rte_zmalloc_socket(octtx_name, sizeof(*data), 0, socket_id);
1059         if (data == NULL) {
1060                 octeontx_log_err("failed to allocate devdata");
1061                 res = -ENOMEM;
1062                 goto err;
1063         }
1064
1065         nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
1066         if (nic == NULL) {
1067                 octeontx_log_err("failed to allocate nic structure");
1068                 res = -ENOMEM;
1069                 goto err;
1070         }
1071
1072         nic->port_id = port;
1073         nic->evdev = evdev;
1074
1075         res = octeontx_port_open(nic);
1076         if (res < 0)
1077                 goto err;
1078
1079         /* Rx side port configuration */
1080         res = octeontx_pki_port_open(port);
1081         if (res != 0) {
1082                 octeontx_log_err("failed to open PKI port %d", port);
1083                 res = -ENODEV;
1084                 goto err;
1085         }
1086
1087         /* Reserve an ethdev entry */
1088         eth_dev = rte_eth_dev_allocate(octtx_name);
1089         if (eth_dev == NULL) {
1090                 octeontx_log_err("failed to allocate rte_eth_dev");
1091                 res = -ENOMEM;
1092                 goto err;
1093         }
1094
1095         eth_dev->device = &dev->device;
1096         eth_dev->intr_handle = NULL;
1097         eth_dev->data->kdrv = RTE_KDRV_NONE;
1098         eth_dev->data->numa_node = dev->device.numa_node;
1099
1100         rte_memcpy(data, (eth_dev)->data, sizeof(*data));
1101         data->dev_private = nic;
1102
1103         data->port_id = eth_dev->data->port_id;
1104         snprintf(data->name, sizeof(data->name), "%s", eth_dev->data->name);
1105
1106         nic->ev_queues = 1;
1107         nic->ev_ports = 1;
1108
1109         data->dev_link.link_status = ETH_LINK_DOWN;
1110         data->dev_started = 0;
1111         data->promiscuous = 0;
1112         data->all_multicast = 0;
1113         data->scattered_rx = 0;
1114
1115         data->mac_addrs = rte_zmalloc_socket(octtx_name, ETHER_ADDR_LEN, 0,
1116                                                         socket_id);
1117         if (data->mac_addrs == NULL) {
1118                 octeontx_log_err("failed to allocate memory for mac_addrs");
1119                 res = -ENOMEM;
1120                 goto err;
1121         }
1122
1123         eth_dev->data = data;
1124         eth_dev->dev_ops = &octeontx_dev_ops;
1125
1126         /* Finally save ethdev pointer to the NIC structure */
1127         nic->dev = eth_dev;
1128
1129         if (nic->port_id != data->port_id) {
1130                 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
1131                                 data->port_id, nic->port_id);
1132                 res = -EINVAL;
1133                 goto err;
1134         }
1135
1136         /* Update port_id mac to eth_dev */
1137         memcpy(data->mac_addrs, nic->mac_addr, ETHER_ADDR_LEN);
1138
1139         PMD_INIT_LOG(DEBUG, "ethdev info: ");
1140         PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
1141                                 nic->port_id, nic->port_ena,
1142                                 nic->base_ochan, nic->num_ochans,
1143                                 nic->num_tx_queues);
1144         PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu);
1145
1146         rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7]
1147                 [(nic->base_ochan >> 4) & 0xF] = data->port_id;
1148
1149         return data->port_id;
1150
1151 err:
1152         if (nic)
1153                 octeontx_port_close(nic);
1154
1155         if (eth_dev != NULL) {
1156                 rte_free(eth_dev->data->mac_addrs);
1157                 rte_free(data);
1158                 rte_free(nic);
1159                 rte_eth_dev_release_port(eth_dev);
1160         }
1161
1162         return res;
1163 }
1164
1165 /* Un initialize octeontx device */
1166 static int
1167 octeontx_remove(struct rte_vdev_device *dev)
1168 {
1169         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1170         struct rte_eth_dev *eth_dev = NULL;
1171         struct octeontx_nic *nic = NULL;
1172         int i;
1173
1174         if (dev == NULL)
1175                 return -EINVAL;
1176
1177         for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
1178                 sprintf(octtx_name, "eth_octeontx_%d", i);
1179
1180                 /* reserve an ethdev entry */
1181                 eth_dev = rte_eth_dev_allocated(octtx_name);
1182                 if (eth_dev == NULL)
1183                         return -ENODEV;
1184
1185                 nic = octeontx_pmd_priv(eth_dev);
1186                 rte_event_dev_stop(nic->evdev);
1187                 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
1188
1189                 rte_free(eth_dev->data->mac_addrs);
1190                 rte_free(eth_dev->data->dev_private);
1191                 rte_free(eth_dev->data);
1192                 rte_eth_dev_release_port(eth_dev);
1193                 rte_event_dev_close(nic->evdev);
1194         }
1195
1196         /* Free FC resource */
1197         octeontx_pko_fc_free();
1198
1199         return 0;
1200 }
1201
1202 /* Initialize octeontx device */
1203 static int
1204 octeontx_probe(struct rte_vdev_device *dev)
1205 {
1206         const char *dev_name;
1207         static int probe_once;
1208         uint8_t socket_id, qlist;
1209         int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
1210         struct rte_event_dev_config dev_conf;
1211         const char *eventdev_name = "event_octeontx";
1212         struct rte_event_dev_info info;
1213
1214         struct octeontx_vdev_init_params init_params = {
1215                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
1216         };
1217
1218         dev_name = rte_vdev_device_name(dev);
1219         res = octeontx_parse_vdev_init_params(&init_params, dev);
1220         if (res < 0)
1221                 return -EINVAL;
1222
1223         if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
1224                 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
1225                                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
1226                 return -ENOTSUP;
1227         }
1228
1229         PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
1230
1231         socket_id = rte_socket_id();
1232
1233         tx_vfcnt = octeontx_pko_vf_count();
1234
1235         if (tx_vfcnt < init_params.nr_port) {
1236                 octeontx_log_err("not enough PKO (%d) for port number (%d)",
1237                                 tx_vfcnt, init_params.nr_port);
1238                 return -EINVAL;
1239         }
1240         evdev = rte_event_dev_get_dev_id(eventdev_name);
1241         if (evdev < 0) {
1242                 octeontx_log_err("eventdev %s not found", eventdev_name);
1243                 return -ENODEV;
1244         }
1245
1246         res = rte_event_dev_info_get(evdev, &info);
1247         if (res < 0) {
1248                 octeontx_log_err("failed to eventdev info %d", res);
1249                 return -EINVAL;
1250         }
1251
1252         PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
1253                         info.max_event_queues, info.max_event_ports);
1254
1255         if (octeontx_pko_init_fc(tx_vfcnt))
1256                 return -ENOMEM;
1257
1258         devconf_set_default_sane_values(&dev_conf, &info);
1259         res = rte_event_dev_configure(evdev, &dev_conf);
1260         if (res < 0)
1261                 goto parse_error;
1262
1263         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
1264                         (uint32_t *)&pnum);
1265         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
1266                         (uint32_t *)&qnum);
1267         if (pnum < qnum) {
1268                 octeontx_log_err("too few event ports (%d) for event_q(%d)",
1269                                 pnum, qnum);
1270                 res = -EINVAL;
1271                 goto parse_error;
1272         }
1273         if (pnum > qnum) {
1274                 /*
1275                  * We don't poll on event ports
1276                  * that do not have any queues assigned.
1277                  */
1278                 pnum = qnum;
1279                 PMD_INIT_LOG(INFO,
1280                         "reducing number of active event ports to %d", pnum);
1281         }
1282         for (i = 0; i < qnum; i++) {
1283                 res = rte_event_queue_setup(evdev, i, NULL);
1284                 if (res < 0) {
1285                         octeontx_log_err("failed to setup event_q(%d): res %d",
1286                                         i, res);
1287                         goto parse_error;
1288                 }
1289         }
1290
1291         for (i = 0; i < pnum; i++) {
1292                 res = rte_event_port_setup(evdev, i, NULL);
1293                 if (res < 0) {
1294                         res = -ENODEV;
1295                         octeontx_log_err("failed to setup ev port(%d) res=%d",
1296                                                 i, res);
1297                         goto parse_error;
1298                 }
1299                 /* Link one queue to one event port */
1300                 qlist = i;
1301                 res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
1302                 if (res < 0) {
1303                         res = -ENODEV;
1304                         octeontx_log_err("failed to link port (%d): res=%d",
1305                                         i, res);
1306                         goto parse_error;
1307                 }
1308         }
1309
1310         /* Create ethdev interface */
1311         for (i = 0; i < init_params.nr_port; i++) {
1312                 port_id = octeontx_create(dev, i, evdev, socket_id);
1313                 if (port_id < 0) {
1314                         octeontx_log_err("failed to create device %s",
1315                                         dev_name);
1316                         res = -ENODEV;
1317                         goto parse_error;
1318                 }
1319
1320                 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
1321                                         port_id);
1322         }
1323
1324         if (probe_once) {
1325                 octeontx_log_err("interface %s not supported", dev_name);
1326                 octeontx_remove(dev);
1327                 res = -ENOTSUP;
1328                 goto parse_error;
1329         }
1330         rte_mbuf_set_platform_mempool_ops("octeontx_fpavf");
1331         probe_once = 1;
1332
1333         return 0;
1334
1335 parse_error:
1336         octeontx_pko_fc_free();
1337         return res;
1338 }
1339
1340 static struct rte_vdev_driver octeontx_pmd_drv = {
1341         .probe = octeontx_probe,
1342         .remove = octeontx_remove,
1343 };
1344
1345 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
1346 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
1347 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");