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_prefetch.h>
  20 #include <rte_bus_vdev.h>
  21
  22 #include "octeontx_ethdev.h"
  23 #include "octeontx_rxtx.h"
  24 #include "octeontx_logs.h"
  25
  26 struct octeontx_vdev_init_params {
  27         uint8_t nr_port;
  28 };
  29
  30 enum octeontx_link_speed {
  31         OCTEONTX_LINK_SPEED_SGMII,
  32         OCTEONTX_LINK_SPEED_XAUI,
  33         OCTEONTX_LINK_SPEED_RXAUI,
  34         OCTEONTX_LINK_SPEED_10G_R,
  35         OCTEONTX_LINK_SPEED_40G_R,
  36         OCTEONTX_LINK_SPEED_RESERVE1,
  37         OCTEONTX_LINK_SPEED_QSGMII,
  38         OCTEONTX_LINK_SPEED_RESERVE2
  39 };
  40
  41 int otx_net_logtype_mbox;
  42 int otx_net_logtype_init;
  43 int otx_net_logtype_driver;
  44
  45 RTE_INIT(otx_net_init_log);
  46 static void
  47 otx_net_init_log(void)
  48 {
  49         otx_net_logtype_mbox = rte_log_register("pmd.otx.ethdev.mbox");
  50         if (otx_net_logtype_mbox >= 0)
  51                 rte_log_set_level(otx_net_logtype_mbox, RTE_LOG_NOTICE);
  52
  53         otx_net_logtype_init = rte_log_register("pmd.otx.ethdev.init");
  54         if (otx_net_logtype_init >= 0)
  55                 rte_log_set_level(otx_net_logtype_init, RTE_LOG_NOTICE);
  56
  57         otx_net_logtype_driver = rte_log_register("pmd.otx.ethdev.driver");
  58         if (otx_net_logtype_driver >= 0)
  59                 rte_log_set_level(otx_net_logtype_driver, RTE_LOG_NOTICE);
  60 }
  61
  62 /* Parse integer from integer argument */
  63 static int
  64 parse_integer_arg(const char *key __rte_unused,
  65                 const char *value, void *extra_args)
  66 {
  67         int *i = (int *)extra_args;
  68
  69         *i = atoi(value);
  70         if (*i < 0) {
  71                 octeontx_log_err("argument has to be positive.");
  72                 return -1;
  73         }
  74
  75         return 0;
  76 }
  77
  78 static int
  79 octeontx_parse_vdev_init_params(struct octeontx_vdev_init_params *params,
  80                                 struct rte_vdev_device *dev)
  81 {
  82         struct rte_kvargs *kvlist = NULL;
  83         int ret = 0;
  84
  85         static const char * const octeontx_vdev_valid_params[] = {
  86                 OCTEONTX_VDEV_NR_PORT_ARG,
  87                 NULL
  88         };
  89
  90         const char *input_args = rte_vdev_device_args(dev);
  91         if (params == NULL)
  92                 return -EINVAL;
  93
  94
  95         if (input_args) {
  96                 kvlist = rte_kvargs_parse(input_args,
  97                                 octeontx_vdev_valid_params);
  98                 if (kvlist == NULL)
  99                         return -1;
 100
 101                 ret = rte_kvargs_process(kvlist,
 102                                         OCTEONTX_VDEV_NR_PORT_ARG,
 103                                         &parse_integer_arg,
 104                                         &params->nr_port);
 105                 if (ret < 0)
 106                         goto free_kvlist;
 107         }
 108
 109 free_kvlist:
 110         rte_kvargs_free(kvlist);
 111         return ret;
 112 }
 113
 114 static int
 115 octeontx_port_open(struct octeontx_nic *nic)
 116 {
 117         octeontx_mbox_bgx_port_conf_t bgx_port_conf;
 118         int res;
 119
 120         res = 0;
 121
 122         PMD_INIT_FUNC_TRACE();
 123
 124         res = octeontx_bgx_port_open(nic->port_id, &bgx_port_conf);
 125         if (res < 0) {
 126                 octeontx_log_err("failed to open port %d", res);
 127                 return res;
 128         }
 129
 130         nic->node = bgx_port_conf.node;
 131         nic->port_ena = bgx_port_conf.enable;
 132         nic->base_ichan = bgx_port_conf.base_chan;
 133         nic->base_ochan = bgx_port_conf.base_chan;
 134         nic->num_ichans = bgx_port_conf.num_chans;
 135         nic->num_ochans = bgx_port_conf.num_chans;
 136         nic->mtu = bgx_port_conf.mtu;
 137         nic->bpen = bgx_port_conf.bpen;
 138         nic->fcs_strip = bgx_port_conf.fcs_strip;
 139         nic->bcast_mode = bgx_port_conf.bcast_mode;
 140         nic->mcast_mode = bgx_port_conf.mcast_mode;
 141         nic->speed      = bgx_port_conf.mode;
 142
 143         memcpy(&nic->mac_addr[0], &bgx_port_conf.macaddr[0], ETHER_ADDR_LEN);
 144
 145         octeontx_log_dbg("port opened %d", nic->port_id);
 146         return res;
 147 }
 148
 149 static void
 150 octeontx_port_close(struct octeontx_nic *nic)
 151 {
 152         PMD_INIT_FUNC_TRACE();
 153
 154         octeontx_bgx_port_close(nic->port_id);
 155         octeontx_log_dbg("port closed %d", nic->port_id);
 156 }
 157
 158 static int
 159 octeontx_port_start(struct octeontx_nic *nic)
 160 {
 161         PMD_INIT_FUNC_TRACE();
 162
 163         return octeontx_bgx_port_start(nic->port_id);
 164 }
 165
 166 static int
 167 octeontx_port_stop(struct octeontx_nic *nic)
 168 {
 169         PMD_INIT_FUNC_TRACE();
 170
 171         return octeontx_bgx_port_stop(nic->port_id);
 172 }
 173
 174 static void
 175 octeontx_port_promisc_set(struct octeontx_nic *nic, int en)
 176 {
 177         struct rte_eth_dev *dev;
 178         int res;
 179
 180         res = 0;
 181         PMD_INIT_FUNC_TRACE();
 182         dev = nic->dev;
 183
 184         res = octeontx_bgx_port_promisc_set(nic->port_id, en);
 185         if (res < 0)
 186                 octeontx_log_err("failed to set promiscuous mode %d",
 187                                 nic->port_id);
 188
 189         /* Set proper flag for the mode */
 190         dev->data->promiscuous = (en != 0) ? 1 : 0;
 191
 192         octeontx_log_dbg("port %d : promiscuous mode %s",
 193                         nic->port_id, en ? "set" : "unset");
 194 }
 195
 196 static int
 197 octeontx_port_stats(struct octeontx_nic *nic, struct rte_eth_stats *stats)
 198 {
 199         octeontx_mbox_bgx_port_stats_t bgx_stats;
 200         int res;
 201
 202         PMD_INIT_FUNC_TRACE();
 203
 204         res = octeontx_bgx_port_stats(nic->port_id, &bgx_stats);
 205         if (res < 0) {
 206                 octeontx_log_err("failed to get port stats %d", nic->port_id);
 207                 return res;
 208         }
 209
 210         stats->ipackets = bgx_stats.rx_packets;
 211         stats->ibytes = bgx_stats.rx_bytes;
 212         stats->imissed = bgx_stats.rx_dropped;
 213         stats->ierrors = bgx_stats.rx_errors;
 214         stats->opackets = bgx_stats.tx_packets;
 215         stats->obytes = bgx_stats.tx_bytes;
 216         stats->oerrors = bgx_stats.tx_errors;
 217
 218         octeontx_log_dbg("port%d stats inpkts=%" PRIx64 " outpkts=%" PRIx64 "",
 219                         nic->port_id, stats->ipackets, stats->opackets);
 220
 221         return 0;
 222 }
 223
 224 static void
 225 octeontx_port_stats_clr(struct octeontx_nic *nic)
 226 {
 227         PMD_INIT_FUNC_TRACE();
 228
 229         octeontx_bgx_port_stats_clr(nic->port_id);
 230 }
 231
 232 static inline void
 233 devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf,
 234                                 struct rte_event_dev_info *info)
 235 {
 236         memset(dev_conf, 0, sizeof(struct rte_event_dev_config));
 237         dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns;
 238
 239         dev_conf->nb_event_ports = info->max_event_ports;
 240         dev_conf->nb_event_queues = info->max_event_queues;
 241
 242         dev_conf->nb_event_queue_flows = info->max_event_queue_flows;
 243         dev_conf->nb_event_port_dequeue_depth =
 244                         info->max_event_port_dequeue_depth;
 245         dev_conf->nb_event_port_enqueue_depth =
 246                         info->max_event_port_enqueue_depth;
 247         dev_conf->nb_event_port_enqueue_depth =
 248                         info->max_event_port_enqueue_depth;
 249         dev_conf->nb_events_limit =
 250                         info->max_num_events;
 251 }
 252
 253 static int
 254 octeontx_dev_configure(struct rte_eth_dev *dev)
 255 {
 256         struct rte_eth_dev_data *data = dev->data;
 257         struct rte_eth_conf *conf = &data->dev_conf;
 258         struct rte_eth_rxmode *rxmode = &conf->rxmode;
 259         struct rte_eth_txmode *txmode = &conf->txmode;
 260         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 261         int ret;
 262
 263         PMD_INIT_FUNC_TRACE();
 264         RTE_SET_USED(conf);
 265
 266         if (!rte_eal_has_hugepages()) {
 267                 octeontx_log_err("huge page is not configured");
 268                 return -EINVAL;
 269         }
 270
 271         if (txmode->mq_mode) {
 272                 octeontx_log_err("tx mq_mode DCB or VMDq not supported");
 273                 return -EINVAL;
 274         }
 275
 276         if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
 277                 rxmode->mq_mode != ETH_MQ_RX_RSS) {
 278                 octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode);
 279                 return -EINVAL;
 280         }
 281
 282         if (!rxmode->hw_strip_crc) {
 283                 PMD_INIT_LOG(NOTICE, "can't disable hw crc strip");
 284                 rxmode->hw_strip_crc = 1;
 285         }
 286
 287         if (rxmode->hw_ip_checksum) {
 288                 PMD_INIT_LOG(NOTICE, "rxcksum not supported");
 289                 rxmode->hw_ip_checksum = 0;
 290         }
 291
 292         if (rxmode->split_hdr_size) {
 293                 octeontx_log_err("rxmode does not support split header");
 294                 return -EINVAL;
 295         }
 296
 297         if (rxmode->hw_vlan_filter) {
 298                 octeontx_log_err("VLAN filter not supported");
 299                 return -EINVAL;
 300         }
 301
 302         if (rxmode->hw_vlan_extend) {
 303                 octeontx_log_err("VLAN extended not supported");
 304                 return -EINVAL;
 305         }
 306
 307         if (rxmode->enable_lro) {
 308                 octeontx_log_err("LRO not supported");
 309                 return -EINVAL;
 310         }
 311
 312         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
 313                 octeontx_log_err("setting link speed/duplex not supported");
 314                 return -EINVAL;
 315         }
 316
 317         if (conf->dcb_capability_en) {
 318                 octeontx_log_err("DCB enable not supported");
 319                 return -EINVAL;
 320         }
 321
 322         if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
 323                 octeontx_log_err("flow director not supported");
 324                 return -EINVAL;
 325         }
 326
 327         nic->num_tx_queues = dev->data->nb_tx_queues;
 328
 329         ret = octeontx_pko_channel_open(nic->port_id * PKO_VF_NUM_DQ,
 330                                         nic->num_tx_queues,
 331                                         nic->base_ochan);
 332         if (ret) {
 333                 octeontx_log_err("failed to open channel %d no-of-txq %d",
 334                            nic->base_ochan, nic->num_tx_queues);
 335                 return -EFAULT;
 336         }
 337
 338         nic->pki.classifier_enable = false;
 339         nic->pki.hash_enable = true;
 340         nic->pki.initialized = false;
 341
 342         return 0;
 343 }
 344
 345 static void
 346 octeontx_dev_close(struct rte_eth_dev *dev)
 347 {
 348         struct octeontx_txq *txq = NULL;
 349         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 350         unsigned int i;
 351         int ret;
 352
 353         PMD_INIT_FUNC_TRACE();
 354
 355         rte_event_dev_close(nic->evdev);
 356
 357         ret = octeontx_pko_channel_close(nic->base_ochan);
 358         if (ret < 0) {
 359                 octeontx_log_err("failed to close channel %d VF%d %d %d",
 360                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 361                              ret);
 362         }
 363         /* Free txq resources for this port */
 364         for (i = 0; i < nic->num_tx_queues; i++) {
 365                 txq = dev->data->tx_queues[i];
 366                 if (!txq)
 367                         continue;
 368
 369                 rte_free(txq);
 370         }
 371 }
 372
 373 static int
 374 octeontx_dev_start(struct rte_eth_dev *dev)
 375 {
 376         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 377         int ret;
 378
 379         ret = 0;
 380
 381         PMD_INIT_FUNC_TRACE();
 382         /*
 383          * Tx start
 384          */
 385         dev->tx_pkt_burst = octeontx_xmit_pkts;
 386         ret = octeontx_pko_channel_start(nic->base_ochan);
 387         if (ret < 0) {
 388                 octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
 389                            nic->port_id, nic->num_tx_queues, nic->base_ochan,
 390                            ret);
 391                 goto error;
 392         }
 393
 394         /*
 395          * Rx start
 396          */
 397         dev->rx_pkt_burst = octeontx_recv_pkts;
 398         ret = octeontx_pki_port_start(nic->port_id);
 399         if (ret < 0) {
 400                 octeontx_log_err("fail to start Rx on port %d", nic->port_id);
 401                 goto channel_stop_error;
 402         }
 403
 404         /*
 405          * Start port
 406          */
 407         ret = octeontx_port_start(nic);
 408         if (ret < 0) {
 409                 octeontx_log_err("failed start port %d", ret);
 410                 goto pki_port_stop_error;
 411         }
 412
 413         PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
 414                         nic->base_ochan, nic->num_tx_queues, nic->port_id);
 415
 416         ret = rte_event_dev_start(nic->evdev);
 417         if (ret < 0) {
 418                 octeontx_log_err("failed to start evdev: ret (%d)", ret);
 419                 goto pki_port_stop_error;
 420         }
 421
 422         /* Success */
 423         return ret;
 424
 425 pki_port_stop_error:
 426         octeontx_pki_port_stop(nic->port_id);
 427 channel_stop_error:
 428         octeontx_pko_channel_stop(nic->base_ochan);
 429 error:
 430         return ret;
 431 }
 432
 433 static void
 434 octeontx_dev_stop(struct rte_eth_dev *dev)
 435 {
 436         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 437         int ret;
 438
 439         PMD_INIT_FUNC_TRACE();
 440
 441         rte_event_dev_stop(nic->evdev);
 442
 443         ret = octeontx_port_stop(nic);
 444         if (ret < 0) {
 445                 octeontx_log_err("failed to req stop port %d res=%d",
 446                                         nic->port_id, ret);
 447                 return;
 448         }
 449
 450         ret = octeontx_pki_port_stop(nic->port_id);
 451         if (ret < 0) {
 452                 octeontx_log_err("failed to stop pki port %d res=%d",
 453                                         nic->port_id, ret);
 454                 return;
 455         }
 456
 457         ret = octeontx_pko_channel_stop(nic->base_ochan);
 458         if (ret < 0) {
 459                 octeontx_log_err("failed to stop channel %d VF%d %d %d",
 460                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 461                              ret);
 462                 return;
 463         }
 464
 465         dev->tx_pkt_burst = NULL;
 466         dev->rx_pkt_burst = NULL;
 467 }
 468
 469 static void
 470 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
 471 {
 472         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 473
 474         PMD_INIT_FUNC_TRACE();
 475         octeontx_port_promisc_set(nic, 1);
 476 }
 477
 478 static void
 479 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
 480 {
 481         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 482
 483         PMD_INIT_FUNC_TRACE();
 484         octeontx_port_promisc_set(nic, 0);
 485 }
 486
 487 static inline int
 488 octeontx_atomic_write_link_status(struct rte_eth_dev *dev,
 489                                   struct rte_eth_link *link)
 490 {
 491         struct rte_eth_link *dst = &dev->data->dev_link;
 492         struct rte_eth_link *src = link;
 493
 494         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 495                 *(uint64_t *)src) == 0)
 496                 return -1;
 497
 498         return 0;
 499 }
 500
 501 static int
 502 octeontx_port_link_status(struct octeontx_nic *nic)
 503 {
 504         int res;
 505
 506         PMD_INIT_FUNC_TRACE();
 507         res = octeontx_bgx_port_link_status(nic->port_id);
 508         if (res < 0) {
 509                 octeontx_log_err("failed to get port %d link status",
 510                                 nic->port_id);
 511                 return res;
 512         }
 513
 514         nic->link_up = (uint8_t)res;
 515         octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
 516
 517         return res;
 518 }
 519
 520 /*
 521  * Return 0 means link status changed, -1 means not changed
 522  */
 523 static int
 524 octeontx_dev_link_update(struct rte_eth_dev *dev,
 525                          int wait_to_complete __rte_unused)
 526 {
 527         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 528         struct rte_eth_link link;
 529         int res;
 530
 531         res = 0;
 532         PMD_INIT_FUNC_TRACE();
 533
 534         res = octeontx_port_link_status(nic);
 535         if (res < 0) {
 536                 octeontx_log_err("failed to request link status %d", res);
 537                 return res;
 538         }
 539
 540         link.link_status = nic->link_up;
 541
 542         switch (nic->speed) {
 543         case OCTEONTX_LINK_SPEED_SGMII:
 544                 link.link_speed = ETH_SPEED_NUM_1G;
 545                 break;
 546
 547         case OCTEONTX_LINK_SPEED_XAUI:
 548                 link.link_speed = ETH_SPEED_NUM_10G;
 549                 break;
 550
 551         case OCTEONTX_LINK_SPEED_RXAUI:
 552         case OCTEONTX_LINK_SPEED_10G_R:
 553                 link.link_speed = ETH_SPEED_NUM_10G;
 554                 break;
 555         case OCTEONTX_LINK_SPEED_QSGMII:
 556                 link.link_speed = ETH_SPEED_NUM_5G;
 557                 break;
 558         case OCTEONTX_LINK_SPEED_40G_R:
 559                 link.link_speed = ETH_SPEED_NUM_40G;
 560                 break;
 561
 562         case OCTEONTX_LINK_SPEED_RESERVE1:
 563         case OCTEONTX_LINK_SPEED_RESERVE2:
 564         default:
 565                 octeontx_log_err("incorrect link speed %d", nic->speed);
 566                 break;
 567         }
 568
 569         link.link_duplex = ETH_LINK_AUTONEG;
 570         link.link_autoneg = ETH_LINK_SPEED_AUTONEG;
 571
 572         return octeontx_atomic_write_link_status(dev, &link);
 573 }
 574
 575 static int
 576 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 577 {
 578         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 579
 580         PMD_INIT_FUNC_TRACE();
 581         return octeontx_port_stats(nic, stats);
 582 }
 583
 584 static void
 585 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
 586 {
 587         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 588
 589         PMD_INIT_FUNC_TRACE();
 590         octeontx_port_stats_clr(nic);
 591 }
 592
 593 static void
 594 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
 595                                         struct ether_addr *addr)
 596 {
 597         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 598         int ret;
 599
 600         ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
 601         if (ret != 0)
 602                 octeontx_log_err("failed to set MAC address on port %d",
 603                                 nic->port_id);
 604 }
 605
 606 static void
 607 octeontx_dev_info(struct rte_eth_dev *dev,
 608                 struct rte_eth_dev_info *dev_info)
 609 {
 610         RTE_SET_USED(dev);
 611
 612         /* Autonegotiation may be disabled */
 613         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
 614         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
 615                         ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
 616                         ETH_LINK_SPEED_40G;
 617
 618         dev_info->driver_name = RTE_STR(rte_octeontx_pmd);
 619         dev_info->max_mac_addrs = 1;
 620         dev_info->max_rx_pktlen = PKI_MAX_PKTLEN;
 621         dev_info->max_rx_queues = 1;
 622         dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
 623         dev_info->min_rx_bufsize = 0;
 624         dev_info->pci_dev = NULL;
 625
 626         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 627                 .rx_free_thresh = 0,
 628                 .rx_drop_en = 0,
 629         };
 630
 631         dev_info->default_txconf = (struct rte_eth_txconf) {
 632                 .tx_free_thresh = 0,
 633                 .txq_flags =
 634                         ETH_TXQ_FLAGS_NOMULTSEGS |
 635                         ETH_TXQ_FLAGS_NOOFFLOADS |
 636                         ETH_TXQ_FLAGS_NOXSUMS,
 637         };
 638
 639         dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MT_LOCKFREE;
 640 }
 641
 642 static void
 643 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
 644 {
 645         ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
 646         ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
 647         ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
 648 }
 649
 650 static int
 651 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 652                                 uint16_t qidx)
 653 {
 654         struct octeontx_txq *txq;
 655         int res;
 656
 657         PMD_INIT_FUNC_TRACE();
 658
 659         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
 660                 return 0;
 661
 662         txq = dev->data->tx_queues[qidx];
 663
 664         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 665                                                 &txq->dq,
 666                                                 sizeof(octeontx_dq_t),
 667                                                 txq->queue_id,
 668                                                 octeontx_dq_info_getter);
 669         if (res < 0) {
 670                 res = -EFAULT;
 671                 goto close_port;
 672         }
 673
 674         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
 675         return res;
 676
 677 close_port:
 678         (void)octeontx_port_stop(nic);
 679         octeontx_pko_channel_stop(nic->base_ochan);
 680         octeontx_pko_channel_close(nic->base_ochan);
 681         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 682         return res;
 683 }
 684
 685 static int
 686 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
 687 {
 688         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 689
 690         PMD_INIT_FUNC_TRACE();
 691         qidx = qidx % PKO_VF_NUM_DQ;
 692         return octeontx_vf_start_tx_queue(dev, nic, qidx);
 693 }
 694
 695 static inline int
 696 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 697                           uint16_t qidx)
 698 {
 699         int ret = 0;
 700
 701         RTE_SET_USED(nic);
 702         PMD_INIT_FUNC_TRACE();
 703
 704         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
 705                 return 0;
 706
 707         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 708         return ret;
 709 }
 710
 711 static int
 712 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
 713 {
 714         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 715
 716         PMD_INIT_FUNC_TRACE();
 717         qidx = qidx % PKO_VF_NUM_DQ;
 718
 719         return octeontx_vf_stop_tx_queue(dev, nic, qidx);
 720 }
 721
 722 static void
 723 octeontx_dev_tx_queue_release(void *tx_queue)
 724 {
 725         struct octeontx_txq *txq = tx_queue;
 726         int res;
 727
 728         PMD_INIT_FUNC_TRACE();
 729
 730         if (txq) {
 731                 res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id);
 732                 if (res < 0)
 733                         octeontx_log_err("failed stop tx_queue(%d)\n",
 734                                    txq->queue_id);
 735
 736                 rte_free(txq);
 737         }
 738 }
 739
 740 static int
 741 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 742                             uint16_t nb_desc, unsigned int socket_id,
 743                             const struct rte_eth_txconf *tx_conf)
 744 {
 745         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 746         struct octeontx_txq *txq = NULL;
 747         uint16_t dq_num;
 748         int res = 0;
 749
 750         RTE_SET_USED(nb_desc);
 751         RTE_SET_USED(socket_id);
 752         RTE_SET_USED(tx_conf);
 753
 754         dq_num = (nic->port_id * PKO_VF_NUM_DQ) + qidx;
 755
 756         /* Socket id check */
 757         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 758                         socket_id != (unsigned int)nic->node)
 759                 PMD_TX_LOG(INFO, "socket_id expected %d, configured %d",
 760                                                 socket_id, nic->node);
 761
 762         /* Free memory prior to re-allocation if needed. */
 763         if (dev->data->tx_queues[qidx] != NULL) {
 764                 PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d",
 765                                 qidx);
 766                 octeontx_dev_tx_queue_release(dev->data->tx_queues[qidx]);
 767                 dev->data->tx_queues[qidx] = NULL;
 768         }
 769
 770         /* Allocating tx queue data structure */
 771         txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq),
 772                                  RTE_CACHE_LINE_SIZE, nic->node);
 773         if (txq == NULL) {
 774                 octeontx_log_err("failed to allocate txq=%d", qidx);
 775                 res = -ENOMEM;
 776                 goto err;
 777         }
 778
 779         txq->eth_dev = dev;
 780         txq->queue_id = dq_num;
 781         dev->data->tx_queues[qidx] = txq;
 782         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 783
 784         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 785                                                 &txq->dq,
 786                                                 sizeof(octeontx_dq_t),
 787                                                 txq->queue_id,
 788                                                 octeontx_dq_info_getter);
 789         if (res < 0) {
 790                 res = -EFAULT;
 791                 goto err;
 792         }
 793
 794         PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p",
 795                         qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va,
 796                         txq->dq.ioreg_va,
 797                         txq->dq.fc_status_va);
 798
 799         return res;
 800
 801 err:
 802         if (txq)
 803                 rte_free(txq);
 804
 805         return res;
 806 }
 807
 808 static int
 809 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 810                                 uint16_t nb_desc, unsigned int socket_id,
 811                                 const struct rte_eth_rxconf *rx_conf,
 812                                 struct rte_mempool *mb_pool)
 813 {
 814         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 815         struct rte_mempool_ops *mp_ops = NULL;
 816         struct octeontx_rxq *rxq = NULL;
 817         pki_pktbuf_cfg_t pktbuf_conf;
 818         pki_hash_cfg_t pki_hash;
 819         pki_qos_cfg_t pki_qos;
 820         uintptr_t pool;
 821         int ret, port;
 822         uint8_t gaura;
 823         unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx;
 824         unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx;
 825
 826         RTE_SET_USED(nb_desc);
 827
 828         memset(&pktbuf_conf, 0, sizeof(pktbuf_conf));
 829         memset(&pki_hash, 0, sizeof(pki_hash));
 830         memset(&pki_qos, 0, sizeof(pki_qos));
 831
 832         mp_ops = rte_mempool_get_ops(mb_pool->ops_index);
 833         if (strcmp(mp_ops->name, "octeontx_fpavf")) {
 834                 octeontx_log_err("failed to find octeontx_fpavf mempool");
 835                 return -ENOTSUP;
 836         }
 837
 838         /* Handle forbidden configurations */
 839         if (nic->pki.classifier_enable) {
 840                 octeontx_log_err("cannot setup queue %d. "
 841                                         "Classifier option unsupported", qidx);
 842                 return -EINVAL;
 843         }
 844
 845         port = nic->port_id;
 846
 847         /* Rx deferred start is not supported */
 848         if (rx_conf->rx_deferred_start) {
 849                 octeontx_log_err("rx deferred start not supported");
 850                 return -EINVAL;
 851         }
 852
 853         /* Verify queue index */
 854         if (qidx >= dev->data->nb_rx_queues) {
 855                 octeontx_log_err("QID %d not supporteded (0 - %d available)\n",
 856                                 qidx, (dev->data->nb_rx_queues - 1));
 857                 return -ENOTSUP;
 858         }
 859
 860         /* Socket id check */
 861         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 862                         socket_id != (unsigned int)nic->node)
 863                 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d",
 864                                                 socket_id, nic->node);
 865
 866         /* Allocating rx queue data structure */
 867         rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq),
 868                                  RTE_CACHE_LINE_SIZE, nic->node);
 869         if (rxq == NULL) {
 870                 octeontx_log_err("failed to allocate rxq=%d", qidx);
 871                 return -ENOMEM;
 872         }
 873
 874         if (!nic->pki.initialized) {
 875                 pktbuf_conf.port_type = 0;
 876                 pki_hash.port_type = 0;
 877                 pki_qos.port_type = 0;
 878
 879                 pktbuf_conf.mmask.f_wqe_skip = 1;
 880                 pktbuf_conf.mmask.f_first_skip = 1;
 881                 pktbuf_conf.mmask.f_later_skip = 1;
 882                 pktbuf_conf.mmask.f_mbuff_size = 1;
 883                 pktbuf_conf.mmask.f_cache_mode = 1;
 884
 885                 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
 886                 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP;
 887                 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
 888                 pktbuf_conf.mbuff_size = (mb_pool->elt_size -
 889                                         RTE_PKTMBUF_HEADROOM -
 890                                         sizeof(struct rte_mbuf));
 891
 892                 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
 893
 894                 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
 895                 if (ret != 0) {
 896                         octeontx_log_err("fail to configure pktbuf for port %d",
 897                                         port);
 898                         rte_free(rxq);
 899                         return ret;
 900                 }
 901                 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
 902                                 "\tmbuf_size:\t0x%0x\n"
 903                                 "\twqe_skip:\t0x%0x\n"
 904                                 "\tfirst_skip:\t0x%0x\n"
 905                                 "\tlater_skip:\t0x%0x\n"
 906                                 "\tcache_mode:\t%s\n",
 907                                 port,
 908                                 pktbuf_conf.mbuff_size,
 909                                 pktbuf_conf.wqe_skip,
 910                                 pktbuf_conf.first_skip,
 911                                 pktbuf_conf.later_skip,
 912                                 (pktbuf_conf.cache_mode ==
 913                                                 PKI_OPC_MODE_STT) ?
 914                                 "STT" :
 915                                 (pktbuf_conf.cache_mode ==
 916                                                 PKI_OPC_MODE_STF) ?
 917                                 "STF" :
 918                                 (pktbuf_conf.cache_mode ==
 919                                                 PKI_OPC_MODE_STF1_STT) ?
 920                                 "STF1_STT" : "STF2_STT");
 921
 922                 if (nic->pki.hash_enable) {
 923                         pki_hash.tag_dlc = 1;
 924                         pki_hash.tag_slc = 1;
 925                         pki_hash.tag_dlf = 1;
 926                         pki_hash.tag_slf = 1;
 927                         pki_hash.tag_prt = 1;
 928                         octeontx_pki_port_hash_config(port, &pki_hash);
 929                 }
 930
 931                 pool = (uintptr_t)mb_pool->pool_id;
 932
 933                 /* Get the gpool Id */
 934                 gaura = octeontx_fpa_bufpool_gpool(pool);
 935
 936                 pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
 937                 pki_qos.num_entry = 1;
 938                 pki_qos.drop_policy = 0;
 939                 pki_qos.tag_type = 0L;
 940                 pki_qos.qos_entry[0].port_add = 0;
 941                 pki_qos.qos_entry[0].gaura = gaura;
 942                 pki_qos.qos_entry[0].ggrp_ok = ev_queues;
 943                 pki_qos.qos_entry[0].ggrp_bad = ev_queues;
 944                 pki_qos.qos_entry[0].grptag_bad = 0;
 945                 pki_qos.qos_entry[0].grptag_ok = 0;
 946
 947                 ret = octeontx_pki_port_create_qos(port, &pki_qos);
 948                 if (ret < 0) {
 949                         octeontx_log_err("failed to create QOS port=%d, q=%d",
 950                                         port, qidx);
 951                         rte_free(rxq);
 952                         return ret;
 953                 }
 954                 nic->pki.initialized = true;
 955         }
 956
 957         rxq->port_id = nic->port_id;
 958         rxq->eth_dev = dev;
 959         rxq->queue_id = qidx;
 960         rxq->evdev = nic->evdev;
 961         rxq->ev_queues = ev_queues;
 962         rxq->ev_ports = ev_ports;
 963
 964         dev->data->rx_queues[qidx] = rxq;
 965         dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 966         return 0;
 967 }
 968
 969 static void
 970 octeontx_dev_rx_queue_release(void *rxq)
 971 {
 972         rte_free(rxq);
 973 }
 974
 975 static const uint32_t *
 976 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 977 {
 978         static const uint32_t ptypes[] = {
 979                 RTE_PTYPE_L3_IPV4,
 980                 RTE_PTYPE_L3_IPV4_EXT,
 981                 RTE_PTYPE_L3_IPV6,
 982                 RTE_PTYPE_L3_IPV6_EXT,
 983                 RTE_PTYPE_L4_TCP,
 984                 RTE_PTYPE_L4_UDP,
 985                 RTE_PTYPE_L4_FRAG,
 986                 RTE_PTYPE_UNKNOWN
 987         };
 988
 989         if (dev->rx_pkt_burst == octeontx_recv_pkts)
 990                 return ptypes;
 991
 992         return NULL;
 993 }
 994
 995 static int
 996 octeontx_pool_ops(struct rte_eth_dev *dev, const char *pool)
 997 {
 998         RTE_SET_USED(dev);
 999
1000         if (!strcmp(pool, "octeontx_fpavf"))
1001                 return 0;
1002
1003         return -ENOTSUP;
1004 }
1005
1006 /* Initialize and register driver with DPDK Application */
1007 static const struct eth_dev_ops octeontx_dev_ops = {
1008         .dev_configure           = octeontx_dev_configure,
1009         .dev_infos_get           = octeontx_dev_info,
1010         .dev_close               = octeontx_dev_close,
1011         .dev_start               = octeontx_dev_start,
1012         .dev_stop                = octeontx_dev_stop,
1013         .promiscuous_enable      = octeontx_dev_promisc_enable,
1014         .promiscuous_disable     = octeontx_dev_promisc_disable,
1015         .link_update             = octeontx_dev_link_update,
1016         .stats_get               = octeontx_dev_stats_get,
1017         .stats_reset             = octeontx_dev_stats_reset,
1018         .mac_addr_set            = octeontx_dev_default_mac_addr_set,
1019         .tx_queue_start          = octeontx_dev_tx_queue_start,
1020         .tx_queue_stop           = octeontx_dev_tx_queue_stop,
1021         .tx_queue_setup          = octeontx_dev_tx_queue_setup,
1022         .tx_queue_release        = octeontx_dev_tx_queue_release,
1023         .rx_queue_setup          = octeontx_dev_rx_queue_setup,
1024         .rx_queue_release        = octeontx_dev_rx_queue_release,
1025         .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
1026         .pool_ops_supported      = octeontx_pool_ops,
1027 };
1028
1029 /* Create Ethdev interface per BGX LMAC ports */
1030 static int
1031 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
1032                         int socket_id)
1033 {
1034         int res;
1035         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1036         struct octeontx_nic *nic = NULL;
1037         struct rte_eth_dev *eth_dev = NULL;
1038         struct rte_eth_dev_data *data = NULL;
1039         const char *name = rte_vdev_device_name(dev);
1040
1041         PMD_INIT_FUNC_TRACE();
1042
1043         sprintf(octtx_name, "%s_%d", name, port);
1044         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1045                 eth_dev = rte_eth_dev_attach_secondary(octtx_name);
1046                 if (eth_dev == NULL)
1047                         return -ENODEV;
1048
1049                 eth_dev->tx_pkt_burst = octeontx_xmit_pkts;
1050                 eth_dev->rx_pkt_burst = octeontx_recv_pkts;
1051                 return 0;
1052         }
1053
1054         data = rte_zmalloc_socket(octtx_name, sizeof(*data), 0, socket_id);
1055         if (data == NULL) {
1056                 octeontx_log_err("failed to allocate devdata");
1057                 res = -ENOMEM;
1058                 goto err;
1059         }
1060
1061         nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
1062         if (nic == NULL) {
1063                 octeontx_log_err("failed to allocate nic structure");
1064                 res = -ENOMEM;
1065                 goto err;
1066         }
1067
1068         nic->port_id = port;
1069         nic->evdev = evdev;
1070
1071         res = octeontx_port_open(nic);
1072         if (res < 0)
1073                 goto err;
1074
1075         /* Rx side port configuration */
1076         res = octeontx_pki_port_open(port);
1077         if (res != 0) {
1078                 octeontx_log_err("failed to open PKI port %d", port);
1079                 res = -ENODEV;
1080                 goto err;
1081         }
1082
1083         /* Reserve an ethdev entry */
1084         eth_dev = rte_eth_dev_allocate(octtx_name);
1085         if (eth_dev == NULL) {
1086                 octeontx_log_err("failed to allocate rte_eth_dev");
1087                 res = -ENOMEM;
1088                 goto err;
1089         }
1090
1091         eth_dev->device = &dev->device;
1092         eth_dev->intr_handle = NULL;
1093         eth_dev->data->kdrv = RTE_KDRV_NONE;
1094         eth_dev->data->numa_node = dev->device.numa_node;
1095
1096         rte_memcpy(data, (eth_dev)->data, sizeof(*data));
1097         data->dev_private = nic;
1098
1099         data->port_id = eth_dev->data->port_id;
1100         snprintf(data->name, sizeof(data->name), "%s", eth_dev->data->name);
1101
1102         nic->ev_queues = 1;
1103         nic->ev_ports = 1;
1104
1105         data->dev_link.link_status = ETH_LINK_DOWN;
1106         data->dev_started = 0;
1107         data->promiscuous = 0;
1108         data->all_multicast = 0;
1109         data->scattered_rx = 0;
1110
1111         data->mac_addrs = rte_zmalloc_socket(octtx_name, ETHER_ADDR_LEN, 0,
1112                                                         socket_id);
1113         if (data->mac_addrs == NULL) {
1114                 octeontx_log_err("failed to allocate memory for mac_addrs");
1115                 res = -ENOMEM;
1116                 goto err;
1117         }
1118
1119         eth_dev->data = data;
1120         eth_dev->dev_ops = &octeontx_dev_ops;
1121
1122         /* Finally save ethdev pointer to the NIC structure */
1123         nic->dev = eth_dev;
1124
1125         if (nic->port_id != data->port_id) {
1126                 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
1127                                 data->port_id, nic->port_id);
1128                 res = -EINVAL;
1129                 goto err;
1130         }
1131
1132         /* Update port_id mac to eth_dev */
1133         memcpy(data->mac_addrs, nic->mac_addr, ETHER_ADDR_LEN);
1134
1135         PMD_INIT_LOG(DEBUG, "ethdev info: ");
1136         PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
1137                                 nic->port_id, nic->port_ena,
1138                                 nic->base_ochan, nic->num_ochans,
1139                                 nic->num_tx_queues);
1140         PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu);
1141
1142         return data->port_id;
1143
1144 err:
1145         if (port)
1146                 octeontx_port_close(nic);
1147
1148         if (eth_dev != NULL) {
1149                 rte_free(eth_dev->data->mac_addrs);
1150                 rte_free(data);
1151                 rte_free(nic);
1152                 rte_eth_dev_release_port(eth_dev);
1153         }
1154
1155         return res;
1156 }
1157
1158 /* Un initialize octeontx device */
1159 static int
1160 octeontx_remove(struct rte_vdev_device *dev)
1161 {
1162         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1163         struct rte_eth_dev *eth_dev = NULL;
1164         struct octeontx_nic *nic = NULL;
1165         int i;
1166
1167         if (dev == NULL)
1168                 return -EINVAL;
1169
1170         for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
1171                 sprintf(octtx_name, "eth_octeontx_%d", i);
1172
1173                 /* reserve an ethdev entry */
1174                 eth_dev = rte_eth_dev_allocated(octtx_name);
1175                 if (eth_dev == NULL)
1176                         return -ENODEV;
1177
1178                 nic = octeontx_pmd_priv(eth_dev);
1179                 rte_event_dev_stop(nic->evdev);
1180                 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
1181
1182                 rte_free(eth_dev->data->mac_addrs);
1183                 rte_free(eth_dev->data->dev_private);
1184                 rte_free(eth_dev->data);
1185                 rte_eth_dev_release_port(eth_dev);
1186                 rte_event_dev_close(nic->evdev);
1187         }
1188
1189         /* Free FC resource */
1190         octeontx_pko_fc_free();
1191
1192         return 0;
1193 }
1194
1195 /* Initialize octeontx device */
1196 static int
1197 octeontx_probe(struct rte_vdev_device *dev)
1198 {
1199         const char *dev_name;
1200         static int probe_once;
1201         uint8_t socket_id, qlist;
1202         int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
1203         struct rte_event_dev_config dev_conf;
1204         const char *eventdev_name = "event_octeontx";
1205         struct rte_event_dev_info info;
1206
1207         struct octeontx_vdev_init_params init_params = {
1208                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
1209         };
1210
1211         dev_name = rte_vdev_device_name(dev);
1212         res = octeontx_parse_vdev_init_params(&init_params, dev);
1213         if (res < 0)
1214                 return -EINVAL;
1215
1216         if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
1217                 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
1218                                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
1219                 return -ENOTSUP;
1220         }
1221
1222         PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
1223
1224         socket_id = rte_socket_id();
1225
1226         tx_vfcnt = octeontx_pko_vf_count();
1227
1228         if (tx_vfcnt < init_params.nr_port) {
1229                 octeontx_log_err("not enough PKO (%d) for port number (%d)",
1230                                 tx_vfcnt, init_params.nr_port);
1231                 return -EINVAL;
1232         }
1233         evdev = rte_event_dev_get_dev_id(eventdev_name);
1234         if (evdev < 0) {
1235                 octeontx_log_err("eventdev %s not found", eventdev_name);
1236                 return -ENODEV;
1237         }
1238
1239         res = rte_event_dev_info_get(evdev, &info);
1240         if (res < 0) {
1241                 octeontx_log_err("failed to eventdev info %d", res);
1242                 return -EINVAL;
1243         }
1244
1245         PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
1246                         info.max_event_queues, info.max_event_ports);
1247
1248         if (octeontx_pko_init_fc(tx_vfcnt))
1249                 return -ENOMEM;
1250
1251         devconf_set_default_sane_values(&dev_conf, &info);
1252         res = rte_event_dev_configure(evdev, &dev_conf);
1253         if (res < 0)
1254                 goto parse_error;
1255
1256         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
1257                         (uint32_t *)&pnum);
1258         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
1259                         (uint32_t *)&qnum);
1260         if (pnum < qnum) {
1261                 octeontx_log_err("too few event ports (%d) for event_q(%d)",
1262                                 pnum, qnum);
1263                 res = -EINVAL;
1264                 goto parse_error;
1265         }
1266         if (pnum > qnum) {
1267                 /*
1268                  * We don't poll on event ports
1269                  * that do not have any queues assigned.
1270                  */
1271                 pnum = qnum;
1272                 PMD_INIT_LOG(INFO,
1273                         "reducing number of active event ports to %d", pnum);
1274         }
1275         for (i = 0; i < qnum; i++) {
1276                 res = rte_event_queue_setup(evdev, i, NULL);
1277                 if (res < 0) {
1278                         octeontx_log_err("failed to setup event_q(%d): res %d",
1279                                         i, res);
1280                         goto parse_error;
1281                 }
1282         }
1283
1284         for (i = 0; i < pnum; i++) {
1285                 res = rte_event_port_setup(evdev, i, NULL);
1286                 if (res < 0) {
1287                         res = -ENODEV;
1288                         octeontx_log_err("failed to setup ev port(%d) res=%d",
1289                                                 i, res);
1290                         goto parse_error;
1291                 }
1292                 /* Link one queue to one event port */
1293                 qlist = i;
1294                 res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
1295                 if (res < 0) {
1296                         res = -ENODEV;
1297                         octeontx_log_err("failed to link port (%d): res=%d",
1298                                         i, res);
1299                         goto parse_error;
1300                 }
1301         }
1302
1303         /* Create ethdev interface */
1304         for (i = 0; i < init_params.nr_port; i++) {
1305                 port_id = octeontx_create(dev, i, evdev, socket_id);
1306                 if (port_id < 0) {
1307                         octeontx_log_err("failed to create device %s",
1308                                         dev_name);
1309                         res = -ENODEV;
1310                         goto parse_error;
1311                 }
1312
1313                 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
1314                                         port_id);
1315         }
1316
1317         if (probe_once) {
1318                 octeontx_log_err("interface %s not supported", dev_name);
1319                 octeontx_remove(dev);
1320                 res = -ENOTSUP;
1321                 goto parse_error;
1322         }
1323         probe_once = 1;
1324
1325         return 0;
1326
1327 parse_error:
1328         octeontx_pko_fc_free();
1329         return res;
1330 }
1331
1332 static struct rte_vdev_driver octeontx_pmd_drv = {
1333         .probe = octeontx_probe,
1334         .remove = octeontx_remove,
1335 };
1336
1337 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
1338 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
1339 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");