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         uint64_t configured_offloads;
 266         uint64_t unsupported_offloads;
 267         int ret;
 268
 269         PMD_INIT_FUNC_TRACE();
 270         RTE_SET_USED(conf);
 271
 272         if (!rte_eal_has_hugepages()) {
 273                 octeontx_log_err("huge page is not configured");
 274                 return -EINVAL;
 275         }
 276
 277         if (txmode->mq_mode) {
 278                 octeontx_log_err("tx mq_mode DCB or VMDq not supported");
 279                 return -EINVAL;
 280         }
 281
 282         if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
 283                 rxmode->mq_mode != ETH_MQ_RX_RSS) {
 284                 octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode);
 285                 return -EINVAL;
 286         }
 287
 288         configured_offloads = rxmode->offloads;
 289
 290         if (!(configured_offloads & DEV_RX_OFFLOAD_CRC_STRIP)) {
 291                 PMD_INIT_LOG(NOTICE, "can't disable hw crc strip");
 292                 configured_offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
 293         }
 294
 295         unsupported_offloads = configured_offloads & ~OCTEONTX_RX_OFFLOADS;
 296
 297         if (unsupported_offloads) {
 298                 PMD_INIT_LOG(ERR, "Rx offloads 0x%" PRIx64 " are not supported. "
 299                       "Requested 0x%" PRIx64 " supported 0x%" PRIx64 "\n",
 300                       unsupported_offloads, configured_offloads,
 301                       (uint64_t)OCTEONTX_RX_OFFLOADS);
 302                 return -ENOTSUP;
 303         }
 304
 305         configured_offloads = txmode->offloads;
 306
 307         if (!(configured_offloads & DEV_TX_OFFLOAD_MT_LOCKFREE)) {
 308                 PMD_INIT_LOG(NOTICE, "cant disable lockfree tx");
 309                 configured_offloads |= DEV_TX_OFFLOAD_MT_LOCKFREE;
 310         }
 311
 312         unsupported_offloads = configured_offloads & ~OCTEONTX_TX_OFFLOADS;
 313
 314         if (unsupported_offloads) {
 315                 PMD_INIT_LOG(ERR, "Tx offloads 0x%" PRIx64 " are not supported."
 316                       "Requested 0x%" PRIx64 " supported 0x%" PRIx64 ".\n",
 317                       unsupported_offloads, configured_offloads,
 318                       (uint64_t)OCTEONTX_TX_OFFLOADS);
 319                 return -ENOTSUP;
 320         }
 321
 322         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
 323                 octeontx_log_err("setting link speed/duplex not supported");
 324                 return -EINVAL;
 325         }
 326
 327         if (conf->dcb_capability_en) {
 328                 octeontx_log_err("DCB enable not supported");
 329                 return -EINVAL;
 330         }
 331
 332         if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
 333                 octeontx_log_err("flow director not supported");
 334                 return -EINVAL;
 335         }
 336
 337         nic->num_tx_queues = dev->data->nb_tx_queues;
 338
 339         ret = octeontx_pko_channel_open(nic->port_id * PKO_VF_NUM_DQ,
 340                                         nic->num_tx_queues,
 341                                         nic->base_ochan);
 342         if (ret) {
 343                 octeontx_log_err("failed to open channel %d no-of-txq %d",
 344                            nic->base_ochan, nic->num_tx_queues);
 345                 return -EFAULT;
 346         }
 347
 348         nic->pki.classifier_enable = false;
 349         nic->pki.hash_enable = true;
 350         nic->pki.initialized = false;
 351
 352         return 0;
 353 }
 354
 355 static void
 356 octeontx_dev_close(struct rte_eth_dev *dev)
 357 {
 358         struct octeontx_txq *txq = NULL;
 359         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 360         unsigned int i;
 361         int ret;
 362
 363         PMD_INIT_FUNC_TRACE();
 364
 365         rte_event_dev_close(nic->evdev);
 366
 367         ret = octeontx_pko_channel_close(nic->base_ochan);
 368         if (ret < 0) {
 369                 octeontx_log_err("failed to close channel %d VF%d %d %d",
 370                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 371                              ret);
 372         }
 373         /* Free txq resources for this port */
 374         for (i = 0; i < nic->num_tx_queues; i++) {
 375                 txq = dev->data->tx_queues[i];
 376                 if (!txq)
 377                         continue;
 378
 379                 rte_free(txq);
 380         }
 381 }
 382
 383 static int
 384 octeontx_dev_start(struct rte_eth_dev *dev)
 385 {
 386         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 387         int ret;
 388
 389         ret = 0;
 390
 391         PMD_INIT_FUNC_TRACE();
 392         /*
 393          * Tx start
 394          */
 395         dev->tx_pkt_burst = octeontx_xmit_pkts;
 396         ret = octeontx_pko_channel_start(nic->base_ochan);
 397         if (ret < 0) {
 398                 octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
 399                            nic->port_id, nic->num_tx_queues, nic->base_ochan,
 400                            ret);
 401                 goto error;
 402         }
 403
 404         /*
 405          * Rx start
 406          */
 407         dev->rx_pkt_burst = octeontx_recv_pkts;
 408         ret = octeontx_pki_port_start(nic->port_id);
 409         if (ret < 0) {
 410                 octeontx_log_err("fail to start Rx on port %d", nic->port_id);
 411                 goto channel_stop_error;
 412         }
 413
 414         /*
 415          * Start port
 416          */
 417         ret = octeontx_port_start(nic);
 418         if (ret < 0) {
 419                 octeontx_log_err("failed start port %d", ret);
 420                 goto pki_port_stop_error;
 421         }
 422
 423         PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
 424                         nic->base_ochan, nic->num_tx_queues, nic->port_id);
 425
 426         ret = rte_event_dev_start(nic->evdev);
 427         if (ret < 0) {
 428                 octeontx_log_err("failed to start evdev: ret (%d)", ret);
 429                 goto pki_port_stop_error;
 430         }
 431
 432         /* Success */
 433         return ret;
 434
 435 pki_port_stop_error:
 436         octeontx_pki_port_stop(nic->port_id);
 437 channel_stop_error:
 438         octeontx_pko_channel_stop(nic->base_ochan);
 439 error:
 440         return ret;
 441 }
 442
 443 static void
 444 octeontx_dev_stop(struct rte_eth_dev *dev)
 445 {
 446         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 447         int ret;
 448
 449         PMD_INIT_FUNC_TRACE();
 450
 451         rte_event_dev_stop(nic->evdev);
 452
 453         ret = octeontx_port_stop(nic);
 454         if (ret < 0) {
 455                 octeontx_log_err("failed to req stop port %d res=%d",
 456                                         nic->port_id, ret);
 457                 return;
 458         }
 459
 460         ret = octeontx_pki_port_stop(nic->port_id);
 461         if (ret < 0) {
 462                 octeontx_log_err("failed to stop pki port %d res=%d",
 463                                         nic->port_id, ret);
 464                 return;
 465         }
 466
 467         ret = octeontx_pko_channel_stop(nic->base_ochan);
 468         if (ret < 0) {
 469                 octeontx_log_err("failed to stop channel %d VF%d %d %d",
 470                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 471                              ret);
 472                 return;
 473         }
 474
 475         dev->tx_pkt_burst = NULL;
 476         dev->rx_pkt_burst = NULL;
 477 }
 478
 479 static void
 480 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
 481 {
 482         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 483
 484         PMD_INIT_FUNC_TRACE();
 485         octeontx_port_promisc_set(nic, 1);
 486 }
 487
 488 static void
 489 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
 490 {
 491         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 492
 493         PMD_INIT_FUNC_TRACE();
 494         octeontx_port_promisc_set(nic, 0);
 495 }
 496
 497 static int
 498 octeontx_port_link_status(struct octeontx_nic *nic)
 499 {
 500         int res;
 501
 502         PMD_INIT_FUNC_TRACE();
 503         res = octeontx_bgx_port_link_status(nic->port_id);
 504         if (res < 0) {
 505                 octeontx_log_err("failed to get port %d link status",
 506                                 nic->port_id);
 507                 return res;
 508         }
 509
 510         nic->link_up = (uint8_t)res;
 511         octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
 512
 513         return res;
 514 }
 515
 516 /*
 517  * Return 0 means link status changed, -1 means not changed
 518  */
 519 static int
 520 octeontx_dev_link_update(struct rte_eth_dev *dev,
 521                          int wait_to_complete __rte_unused)
 522 {
 523         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 524         struct rte_eth_link link;
 525         int res;
 526
 527         PMD_INIT_FUNC_TRACE();
 528
 529         res = octeontx_port_link_status(nic);
 530         if (res < 0) {
 531                 octeontx_log_err("failed to request link status %d", res);
 532                 return res;
 533         }
 534
 535         link.link_status = nic->link_up;
 536
 537         switch (nic->speed) {
 538         case OCTEONTX_LINK_SPEED_SGMII:
 539                 link.link_speed = ETH_SPEED_NUM_1G;
 540                 break;
 541
 542         case OCTEONTX_LINK_SPEED_XAUI:
 543                 link.link_speed = ETH_SPEED_NUM_10G;
 544                 break;
 545
 546         case OCTEONTX_LINK_SPEED_RXAUI:
 547         case OCTEONTX_LINK_SPEED_10G_R:
 548                 link.link_speed = ETH_SPEED_NUM_10G;
 549                 break;
 550         case OCTEONTX_LINK_SPEED_QSGMII:
 551                 link.link_speed = ETH_SPEED_NUM_5G;
 552                 break;
 553         case OCTEONTX_LINK_SPEED_40G_R:
 554                 link.link_speed = ETH_SPEED_NUM_40G;
 555                 break;
 556
 557         case OCTEONTX_LINK_SPEED_RESERVE1:
 558         case OCTEONTX_LINK_SPEED_RESERVE2:
 559         default:
 560                 link.link_speed = ETH_SPEED_NUM_NONE;
 561                 octeontx_log_err("incorrect link speed %d", nic->speed);
 562                 break;
 563         }
 564
 565         link.link_duplex = ETH_LINK_FULL_DUPLEX;
 566         link.link_autoneg = ETH_LINK_AUTONEG;
 567
 568         return rte_eth_linkstatus_set(dev, &link);
 569 }
 570
 571 static int
 572 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 573 {
 574         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 575
 576         PMD_INIT_FUNC_TRACE();
 577         return octeontx_port_stats(nic, stats);
 578 }
 579
 580 static void
 581 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
 582 {
 583         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 584
 585         PMD_INIT_FUNC_TRACE();
 586         octeontx_port_stats_clr(nic);
 587 }
 588
 589 static int
 590 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
 591                                         struct ether_addr *addr)
 592 {
 593         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 594         int ret;
 595
 596         ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
 597         if (ret != 0)
 598                 octeontx_log_err("failed to set MAC address on port %d",
 599                                 nic->port_id);
 600
 601         return ret;
 602 }
 603
 604 static void
 605 octeontx_dev_info(struct rte_eth_dev *dev,
 606                 struct rte_eth_dev_info *dev_info)
 607 {
 608         RTE_SET_USED(dev);
 609
 610         /* Autonegotiation may be disabled */
 611         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
 612         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
 613                         ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
 614                         ETH_LINK_SPEED_40G;
 615
 616         dev_info->max_mac_addrs = 1;
 617         dev_info->max_rx_pktlen = PKI_MAX_PKTLEN;
 618         dev_info->max_rx_queues = 1;
 619         dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
 620         dev_info->min_rx_bufsize = 0;
 621
 622         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 623                 .rx_free_thresh = 0,
 624                 .rx_drop_en = 0,
 625                 .offloads = OCTEONTX_RX_OFFLOADS,
 626         };
 627
 628         dev_info->default_txconf = (struct rte_eth_txconf) {
 629                 .tx_free_thresh = 0,
 630                 .txq_flags =
 631                         ETH_TXQ_FLAGS_NOMULTSEGS |
 632                         ETH_TXQ_FLAGS_NOOFFLOADS |
 633                         ETH_TXQ_FLAGS_NOXSUMS,
 634         };
 635
 636         dev_info->rx_offload_capa = OCTEONTX_RX_OFFLOADS;
 637         dev_info->tx_offload_capa = OCTEONTX_TX_OFFLOADS;
 638 }
 639
 640 static void
 641 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
 642 {
 643         ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
 644         ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
 645         ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
 646 }
 647
 648 static int
 649 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 650                                 uint16_t qidx)
 651 {
 652         struct octeontx_txq *txq;
 653         int res;
 654
 655         PMD_INIT_FUNC_TRACE();
 656
 657         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
 658                 return 0;
 659
 660         txq = dev->data->tx_queues[qidx];
 661
 662         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 663                                                 &txq->dq,
 664                                                 sizeof(octeontx_dq_t),
 665                                                 txq->queue_id,
 666                                                 octeontx_dq_info_getter);
 667         if (res < 0) {
 668                 res = -EFAULT;
 669                 goto close_port;
 670         }
 671
 672         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
 673         return res;
 674
 675 close_port:
 676         (void)octeontx_port_stop(nic);
 677         octeontx_pko_channel_stop(nic->base_ochan);
 678         octeontx_pko_channel_close(nic->base_ochan);
 679         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 680         return res;
 681 }
 682
 683 static int
 684 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
 685 {
 686         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 687
 688         PMD_INIT_FUNC_TRACE();
 689         qidx = qidx % PKO_VF_NUM_DQ;
 690         return octeontx_vf_start_tx_queue(dev, nic, qidx);
 691 }
 692
 693 static inline int
 694 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 695                           uint16_t qidx)
 696 {
 697         int ret = 0;
 698
 699         RTE_SET_USED(nic);
 700         PMD_INIT_FUNC_TRACE();
 701
 702         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
 703                 return 0;
 704
 705         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 706         return ret;
 707 }
 708
 709 static int
 710 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
 711 {
 712         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 713
 714         PMD_INIT_FUNC_TRACE();
 715         qidx = qidx % PKO_VF_NUM_DQ;
 716
 717         return octeontx_vf_stop_tx_queue(dev, nic, qidx);
 718 }
 719
 720 static void
 721 octeontx_dev_tx_queue_release(void *tx_queue)
 722 {
 723         struct octeontx_txq *txq = tx_queue;
 724         int res;
 725
 726         PMD_INIT_FUNC_TRACE();
 727
 728         if (txq) {
 729                 res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id);
 730                 if (res < 0)
 731                         octeontx_log_err("failed stop tx_queue(%d)\n",
 732                                    txq->queue_id);
 733
 734                 rte_free(txq);
 735         }
 736 }
 737
 738 static int
 739 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 740                             uint16_t nb_desc, unsigned int socket_id,
 741                             const struct rte_eth_txconf *tx_conf)
 742 {
 743         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 744         struct octeontx_txq *txq = NULL;
 745         uint16_t dq_num;
 746         int res = 0;
 747         uint64_t configured_offloads;
 748         uint64_t unsupported_offloads;
 749
 750         RTE_SET_USED(nb_desc);
 751         RTE_SET_USED(socket_id);
 752
 753         dq_num = (nic->port_id * PKO_VF_NUM_DQ) + qidx;
 754
 755         /* Socket id check */
 756         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 757                         socket_id != (unsigned int)nic->node)
 758                 PMD_TX_LOG(INFO, "socket_id expected %d, configured %d",
 759                                                 socket_id, nic->node);
 760
 761         /* Free memory prior to re-allocation if needed. */
 762         if (dev->data->tx_queues[qidx] != NULL) {
 763                 PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d",
 764                                 qidx);
 765                 octeontx_dev_tx_queue_release(dev->data->tx_queues[qidx]);
 766                 dev->data->tx_queues[qidx] = NULL;
 767         }
 768
 769         configured_offloads = tx_conf->offloads;
 770
 771         if (!(configured_offloads & DEV_TX_OFFLOAD_MT_LOCKFREE)) {
 772                 PMD_INIT_LOG(NOTICE, "cant disable lockfree tx");
 773                 configured_offloads |= DEV_TX_OFFLOAD_MT_LOCKFREE;
 774         }
 775
 776         unsupported_offloads = configured_offloads & ~OCTEONTX_TX_OFFLOADS;
 777         if (unsupported_offloads) {
 778                 PMD_INIT_LOG(ERR, "Tx offloads 0x%" PRIx64 " are not supported."
 779                       "Requested 0x%" PRIx64 " supported 0x%" PRIx64 ".\n",
 780                       unsupported_offloads, configured_offloads,
 781                       (uint64_t)OCTEONTX_TX_OFFLOADS);
 782                 return -ENOTSUP;
 783         }
 784
 785         /* Allocating tx queue data structure */
 786         txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq),
 787                                  RTE_CACHE_LINE_SIZE, nic->node);
 788         if (txq == NULL) {
 789                 octeontx_log_err("failed to allocate txq=%d", qidx);
 790                 res = -ENOMEM;
 791                 goto err;
 792         }
 793
 794         txq->eth_dev = dev;
 795         txq->queue_id = dq_num;
 796         dev->data->tx_queues[qidx] = txq;
 797         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 798
 799         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 800                                                 &txq->dq,
 801                                                 sizeof(octeontx_dq_t),
 802                                                 txq->queue_id,
 803                                                 octeontx_dq_info_getter);
 804         if (res < 0) {
 805                 res = -EFAULT;
 806                 goto err;
 807         }
 808
 809         PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p",
 810                         qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va,
 811                         txq->dq.ioreg_va,
 812                         txq->dq.fc_status_va);
 813
 814         return res;
 815
 816 err:
 817         if (txq)
 818                 rte_free(txq);
 819
 820         return res;
 821 }
 822
 823 static int
 824 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 825                                 uint16_t nb_desc, unsigned int socket_id,
 826                                 const struct rte_eth_rxconf *rx_conf,
 827                                 struct rte_mempool *mb_pool)
 828 {
 829         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 830         struct rte_mempool_ops *mp_ops = NULL;
 831         struct octeontx_rxq *rxq = NULL;
 832         pki_pktbuf_cfg_t pktbuf_conf;
 833         pki_hash_cfg_t pki_hash;
 834         pki_qos_cfg_t pki_qos;
 835         uintptr_t pool;
 836         int ret, port;
 837         uint8_t gaura;
 838         unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx;
 839         unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx;
 840         uint64_t configured_offloads;
 841         uint64_t unsupported_offloads;
 842
 843         RTE_SET_USED(nb_desc);
 844
 845         memset(&pktbuf_conf, 0, sizeof(pktbuf_conf));
 846         memset(&pki_hash, 0, sizeof(pki_hash));
 847         memset(&pki_qos, 0, sizeof(pki_qos));
 848
 849         mp_ops = rte_mempool_get_ops(mb_pool->ops_index);
 850         if (strcmp(mp_ops->name, "octeontx_fpavf")) {
 851                 octeontx_log_err("failed to find octeontx_fpavf mempool");
 852                 return -ENOTSUP;
 853         }
 854
 855         /* Handle forbidden configurations */
 856         if (nic->pki.classifier_enable) {
 857                 octeontx_log_err("cannot setup queue %d. "
 858                                         "Classifier option unsupported", qidx);
 859                 return -EINVAL;
 860         }
 861
 862         port = nic->port_id;
 863
 864         configured_offloads = rx_conf->offloads;
 865
 866         if (!(configured_offloads & DEV_RX_OFFLOAD_CRC_STRIP)) {
 867                 PMD_INIT_LOG(NOTICE, "can't disable hw crc strip");
 868                 configured_offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
 869         }
 870
 871         unsupported_offloads = configured_offloads & ~OCTEONTX_RX_OFFLOADS;
 872
 873         if (unsupported_offloads) {
 874                 PMD_INIT_LOG(ERR, "Rx offloads 0x%" PRIx64 " are not supported. "
 875                       "Requested 0x%" PRIx64 " supported 0x%" PRIx64 "\n",
 876                       unsupported_offloads, configured_offloads,
 877                       (uint64_t)OCTEONTX_RX_OFFLOADS);
 878                 return -ENOTSUP;
 879         }
 880         /* Rx deferred start is not supported */
 881         if (rx_conf->rx_deferred_start) {
 882                 octeontx_log_err("rx deferred start not supported");
 883                 return -EINVAL;
 884         }
 885
 886         /* Verify queue index */
 887         if (qidx >= dev->data->nb_rx_queues) {
 888                 octeontx_log_err("QID %d not supporteded (0 - %d available)\n",
 889                                 qidx, (dev->data->nb_rx_queues - 1));
 890                 return -ENOTSUP;
 891         }
 892
 893         /* Socket id check */
 894         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 895                         socket_id != (unsigned int)nic->node)
 896                 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d",
 897                                                 socket_id, nic->node);
 898
 899         /* Allocating rx queue data structure */
 900         rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq),
 901                                  RTE_CACHE_LINE_SIZE, nic->node);
 902         if (rxq == NULL) {
 903                 octeontx_log_err("failed to allocate rxq=%d", qidx);
 904                 return -ENOMEM;
 905         }
 906
 907         if (!nic->pki.initialized) {
 908                 pktbuf_conf.port_type = 0;
 909                 pki_hash.port_type = 0;
 910                 pki_qos.port_type = 0;
 911
 912                 pktbuf_conf.mmask.f_wqe_skip = 1;
 913                 pktbuf_conf.mmask.f_first_skip = 1;
 914                 pktbuf_conf.mmask.f_later_skip = 1;
 915                 pktbuf_conf.mmask.f_mbuff_size = 1;
 916                 pktbuf_conf.mmask.f_cache_mode = 1;
 917
 918                 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
 919                 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP;
 920                 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
 921                 pktbuf_conf.mbuff_size = (mb_pool->elt_size -
 922                                         RTE_PKTMBUF_HEADROOM -
 923                                         sizeof(struct rte_mbuf));
 924
 925                 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
 926
 927                 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
 928                 if (ret != 0) {
 929                         octeontx_log_err("fail to configure pktbuf for port %d",
 930                                         port);
 931                         rte_free(rxq);
 932                         return ret;
 933                 }
 934                 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
 935                                 "\tmbuf_size:\t0x%0x\n"
 936                                 "\twqe_skip:\t0x%0x\n"
 937                                 "\tfirst_skip:\t0x%0x\n"
 938                                 "\tlater_skip:\t0x%0x\n"
 939                                 "\tcache_mode:\t%s\n",
 940                                 port,
 941                                 pktbuf_conf.mbuff_size,
 942                                 pktbuf_conf.wqe_skip,
 943                                 pktbuf_conf.first_skip,
 944                                 pktbuf_conf.later_skip,
 945                                 (pktbuf_conf.cache_mode ==
 946                                                 PKI_OPC_MODE_STT) ?
 947                                 "STT" :
 948                                 (pktbuf_conf.cache_mode ==
 949                                                 PKI_OPC_MODE_STF) ?
 950                                 "STF" :
 951                                 (pktbuf_conf.cache_mode ==
 952                                                 PKI_OPC_MODE_STF1_STT) ?
 953                                 "STF1_STT" : "STF2_STT");
 954
 955                 if (nic->pki.hash_enable) {
 956                         pki_hash.tag_dlc = 1;
 957                         pki_hash.tag_slc = 1;
 958                         pki_hash.tag_dlf = 1;
 959                         pki_hash.tag_slf = 1;
 960                         pki_hash.tag_prt = 1;
 961                         octeontx_pki_port_hash_config(port, &pki_hash);
 962                 }
 963
 964                 pool = (uintptr_t)mb_pool->pool_id;
 965
 966                 /* Get the gpool Id */
 967                 gaura = octeontx_fpa_bufpool_gpool(pool);
 968
 969                 pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
 970                 pki_qos.num_entry = 1;
 971                 pki_qos.drop_policy = 0;
 972                 pki_qos.tag_type = 0L;
 973                 pki_qos.qos_entry[0].port_add = 0;
 974                 pki_qos.qos_entry[0].gaura = gaura;
 975                 pki_qos.qos_entry[0].ggrp_ok = ev_queues;
 976                 pki_qos.qos_entry[0].ggrp_bad = ev_queues;
 977                 pki_qos.qos_entry[0].grptag_bad = 0;
 978                 pki_qos.qos_entry[0].grptag_ok = 0;
 979
 980                 ret = octeontx_pki_port_create_qos(port, &pki_qos);
 981                 if (ret < 0) {
 982                         octeontx_log_err("failed to create QOS port=%d, q=%d",
 983                                         port, qidx);
 984                         rte_free(rxq);
 985                         return ret;
 986                 }
 987                 nic->pki.initialized = true;
 988         }
 989
 990         rxq->port_id = nic->port_id;
 991         rxq->eth_dev = dev;
 992         rxq->queue_id = qidx;
 993         rxq->evdev = nic->evdev;
 994         rxq->ev_queues = ev_queues;
 995         rxq->ev_ports = ev_ports;
 996
 997         dev->data->rx_queues[qidx] = rxq;
 998         dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 999         return 0;
1000 }
1001
1002 static void
1003 octeontx_dev_rx_queue_release(void *rxq)
1004 {
1005         rte_free(rxq);
1006 }
1007
1008 static const uint32_t *
1009 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
1010 {
1011         static const uint32_t ptypes[] = {
1012                 RTE_PTYPE_L3_IPV4,
1013                 RTE_PTYPE_L3_IPV4_EXT,
1014                 RTE_PTYPE_L3_IPV6,
1015                 RTE_PTYPE_L3_IPV6_EXT,
1016                 RTE_PTYPE_L4_TCP,
1017                 RTE_PTYPE_L4_UDP,
1018                 RTE_PTYPE_L4_FRAG,
1019                 RTE_PTYPE_UNKNOWN
1020         };
1021
1022         if (dev->rx_pkt_burst == octeontx_recv_pkts)
1023                 return ptypes;
1024
1025         return NULL;
1026 }
1027
1028 static int
1029 octeontx_pool_ops(struct rte_eth_dev *dev, const char *pool)
1030 {
1031         RTE_SET_USED(dev);
1032
1033         if (!strcmp(pool, "octeontx_fpavf"))
1034                 return 0;
1035
1036         return -ENOTSUP;
1037 }
1038
1039 /* Initialize and register driver with DPDK Application */
1040 static const struct eth_dev_ops octeontx_dev_ops = {
1041         .dev_configure           = octeontx_dev_configure,
1042         .dev_infos_get           = octeontx_dev_info,
1043         .dev_close               = octeontx_dev_close,
1044         .dev_start               = octeontx_dev_start,
1045         .dev_stop                = octeontx_dev_stop,
1046         .promiscuous_enable      = octeontx_dev_promisc_enable,
1047         .promiscuous_disable     = octeontx_dev_promisc_disable,
1048         .link_update             = octeontx_dev_link_update,
1049         .stats_get               = octeontx_dev_stats_get,
1050         .stats_reset             = octeontx_dev_stats_reset,
1051         .mac_addr_set            = octeontx_dev_default_mac_addr_set,
1052         .tx_queue_start          = octeontx_dev_tx_queue_start,
1053         .tx_queue_stop           = octeontx_dev_tx_queue_stop,
1054         .tx_queue_setup          = octeontx_dev_tx_queue_setup,
1055         .tx_queue_release        = octeontx_dev_tx_queue_release,
1056         .rx_queue_setup          = octeontx_dev_rx_queue_setup,
1057         .rx_queue_release        = octeontx_dev_rx_queue_release,
1058         .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
1059         .pool_ops_supported      = octeontx_pool_ops,
1060 };
1061
1062 /* Create Ethdev interface per BGX LMAC ports */
1063 static int
1064 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
1065                         int socket_id)
1066 {
1067         int res;
1068         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1069         struct octeontx_nic *nic = NULL;
1070         struct rte_eth_dev *eth_dev = NULL;
1071         struct rte_eth_dev_data *data;
1072         const char *name = rte_vdev_device_name(dev);
1073
1074         PMD_INIT_FUNC_TRACE();
1075
1076         sprintf(octtx_name, "%s_%d", name, port);
1077         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1078                 eth_dev = rte_eth_dev_attach_secondary(octtx_name);
1079                 if (eth_dev == NULL)
1080                         return -ENODEV;
1081
1082                 eth_dev->tx_pkt_burst = octeontx_xmit_pkts;
1083                 eth_dev->rx_pkt_burst = octeontx_recv_pkts;
1084                 return 0;
1085         }
1086
1087         nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
1088         if (nic == NULL) {
1089                 octeontx_log_err("failed to allocate nic structure");
1090                 res = -ENOMEM;
1091                 goto err;
1092         }
1093
1094         nic->port_id = port;
1095         nic->evdev = evdev;
1096
1097         res = octeontx_port_open(nic);
1098         if (res < 0)
1099                 goto err;
1100
1101         /* Rx side port configuration */
1102         res = octeontx_pki_port_open(port);
1103         if (res != 0) {
1104                 octeontx_log_err("failed to open PKI port %d", port);
1105                 res = -ENODEV;
1106                 goto err;
1107         }
1108
1109         /* Reserve an ethdev entry */
1110         eth_dev = rte_eth_dev_allocate(octtx_name);
1111         if (eth_dev == NULL) {
1112                 octeontx_log_err("failed to allocate rte_eth_dev");
1113                 res = -ENOMEM;
1114                 goto err;
1115         }
1116
1117         eth_dev->device = &dev->device;
1118         eth_dev->intr_handle = NULL;
1119         eth_dev->data->kdrv = RTE_KDRV_NONE;
1120         eth_dev->data->numa_node = dev->device.numa_node;
1121
1122         data = eth_dev->data;
1123         data->dev_private = nic;
1124         data->port_id = eth_dev->data->port_id;
1125
1126         nic->ev_queues = 1;
1127         nic->ev_ports = 1;
1128
1129         data->dev_link.link_status = ETH_LINK_DOWN;
1130         data->dev_started = 0;
1131         data->promiscuous = 0;
1132         data->all_multicast = 0;
1133         data->scattered_rx = 0;
1134
1135         data->mac_addrs = rte_zmalloc_socket(octtx_name, ETHER_ADDR_LEN, 0,
1136                                                         socket_id);
1137         if (data->mac_addrs == NULL) {
1138                 octeontx_log_err("failed to allocate memory for mac_addrs");
1139                 res = -ENOMEM;
1140                 goto err;
1141         }
1142
1143         eth_dev->dev_ops = &octeontx_dev_ops;
1144
1145         /* Finally save ethdev pointer to the NIC structure */
1146         nic->dev = eth_dev;
1147
1148         if (nic->port_id != data->port_id) {
1149                 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
1150                                 data->port_id, nic->port_id);
1151                 res = -EINVAL;
1152                 goto err;
1153         }
1154
1155         /* Update port_id mac to eth_dev */
1156         memcpy(data->mac_addrs, nic->mac_addr, ETHER_ADDR_LEN);
1157
1158         PMD_INIT_LOG(DEBUG, "ethdev info: ");
1159         PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
1160                                 nic->port_id, nic->port_ena,
1161                                 nic->base_ochan, nic->num_ochans,
1162                                 nic->num_tx_queues);
1163         PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu);
1164
1165         rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7]
1166                 [(nic->base_ochan >> 4) & 0xF] = data->port_id;
1167
1168         return data->port_id;
1169
1170 err:
1171         if (nic)
1172                 octeontx_port_close(nic);
1173
1174         if (eth_dev != NULL) {
1175                 rte_free(eth_dev->data->mac_addrs);
1176                 rte_free(data);
1177                 rte_free(nic);
1178                 rte_eth_dev_release_port(eth_dev);
1179         }
1180
1181         return res;
1182 }
1183
1184 /* Un initialize octeontx device */
1185 static int
1186 octeontx_remove(struct rte_vdev_device *dev)
1187 {
1188         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1189         struct rte_eth_dev *eth_dev = NULL;
1190         struct octeontx_nic *nic = NULL;
1191         int i;
1192
1193         if (dev == NULL)
1194                 return -EINVAL;
1195
1196         for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
1197                 sprintf(octtx_name, "eth_octeontx_%d", i);
1198
1199                 /* reserve an ethdev entry */
1200                 eth_dev = rte_eth_dev_allocated(octtx_name);
1201                 if (eth_dev == NULL)
1202                         return -ENODEV;
1203
1204                 nic = octeontx_pmd_priv(eth_dev);
1205                 rte_event_dev_stop(nic->evdev);
1206                 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
1207
1208                 rte_free(eth_dev->data->mac_addrs);
1209                 rte_free(eth_dev->data->dev_private);
1210                 rte_eth_dev_release_port(eth_dev);
1211                 rte_event_dev_close(nic->evdev);
1212         }
1213
1214         /* Free FC resource */
1215         octeontx_pko_fc_free();
1216
1217         return 0;
1218 }
1219
1220 /* Initialize octeontx device */
1221 static int
1222 octeontx_probe(struct rte_vdev_device *dev)
1223 {
1224         const char *dev_name;
1225         static int probe_once;
1226         uint8_t socket_id, qlist;
1227         int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
1228         struct rte_event_dev_config dev_conf;
1229         const char *eventdev_name = "event_octeontx";
1230         struct rte_event_dev_info info;
1231
1232         struct octeontx_vdev_init_params init_params = {
1233                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
1234         };
1235
1236         dev_name = rte_vdev_device_name(dev);
1237         res = octeontx_parse_vdev_init_params(&init_params, dev);
1238         if (res < 0)
1239                 return -EINVAL;
1240
1241         if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
1242                 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
1243                                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
1244                 return -ENOTSUP;
1245         }
1246
1247         PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
1248
1249         socket_id = rte_socket_id();
1250
1251         tx_vfcnt = octeontx_pko_vf_count();
1252
1253         if (tx_vfcnt < init_params.nr_port) {
1254                 octeontx_log_err("not enough PKO (%d) for port number (%d)",
1255                                 tx_vfcnt, init_params.nr_port);
1256                 return -EINVAL;
1257         }
1258         evdev = rte_event_dev_get_dev_id(eventdev_name);
1259         if (evdev < 0) {
1260                 octeontx_log_err("eventdev %s not found", eventdev_name);
1261                 return -ENODEV;
1262         }
1263
1264         res = rte_event_dev_info_get(evdev, &info);
1265         if (res < 0) {
1266                 octeontx_log_err("failed to eventdev info %d", res);
1267                 return -EINVAL;
1268         }
1269
1270         PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
1271                         info.max_event_queues, info.max_event_ports);
1272
1273         if (octeontx_pko_init_fc(tx_vfcnt))
1274                 return -ENOMEM;
1275
1276         devconf_set_default_sane_values(&dev_conf, &info);
1277         res = rte_event_dev_configure(evdev, &dev_conf);
1278         if (res < 0)
1279                 goto parse_error;
1280
1281         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
1282                         (uint32_t *)&pnum);
1283         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
1284                         (uint32_t *)&qnum);
1285         if (pnum < qnum) {
1286                 octeontx_log_err("too few event ports (%d) for event_q(%d)",
1287                                 pnum, qnum);
1288                 res = -EINVAL;
1289                 goto parse_error;
1290         }
1291         if (pnum > qnum) {
1292                 /*
1293                  * We don't poll on event ports
1294                  * that do not have any queues assigned.
1295                  */
1296                 pnum = qnum;
1297                 PMD_INIT_LOG(INFO,
1298                         "reducing number of active event ports to %d", pnum);
1299         }
1300         for (i = 0; i < qnum; i++) {
1301                 res = rte_event_queue_setup(evdev, i, NULL);
1302                 if (res < 0) {
1303                         octeontx_log_err("failed to setup event_q(%d): res %d",
1304                                         i, res);
1305                         goto parse_error;
1306                 }
1307         }
1308
1309         for (i = 0; i < pnum; i++) {
1310                 res = rte_event_port_setup(evdev, i, NULL);
1311                 if (res < 0) {
1312                         res = -ENODEV;
1313                         octeontx_log_err("failed to setup ev port(%d) res=%d",
1314                                                 i, res);
1315                         goto parse_error;
1316                 }
1317                 /* Link one queue to one event port */
1318                 qlist = i;
1319                 res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
1320                 if (res < 0) {
1321                         res = -ENODEV;
1322                         octeontx_log_err("failed to link port (%d): res=%d",
1323                                         i, res);
1324                         goto parse_error;
1325                 }
1326         }
1327
1328         /* Create ethdev interface */
1329         for (i = 0; i < init_params.nr_port; i++) {
1330                 port_id = octeontx_create(dev, i, evdev, socket_id);
1331                 if (port_id < 0) {
1332                         octeontx_log_err("failed to create device %s",
1333                                         dev_name);
1334                         res = -ENODEV;
1335                         goto parse_error;
1336                 }
1337
1338                 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
1339                                         port_id);
1340         }
1341
1342         if (probe_once) {
1343                 octeontx_log_err("interface %s not supported", dev_name);
1344                 octeontx_remove(dev);
1345                 res = -ENOTSUP;
1346                 goto parse_error;
1347         }
1348         rte_mbuf_set_platform_mempool_ops("octeontx_fpavf");
1349         probe_once = 1;
1350
1351         return 0;
1352
1353 parse_error:
1354         octeontx_pko_fc_free();
1355         return res;
1356 }
1357
1358 static struct rte_vdev_driver octeontx_pmd_drv = {
1359         .probe = octeontx_probe,
1360         .remove = octeontx_remove,
1361 };
1362
1363 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
1364 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
1365 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");