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