drivers/net/octeontx/octeontx_ethdev.c

   1 /*
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (C) Cavium Inc. 2017. All rights reserved.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Cavium networks nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32 #include <stdio.h>
  33 #include <stdarg.h>
  34 #include <stdbool.h>
  35 #include <stdint.h>
  36 #include <string.h>
  37 #include <unistd.h>
  38
  39 #include <rte_alarm.h>
  40 #include <rte_branch_prediction.h>
  41 #include <rte_debug.h>
  42 #include <rte_devargs.h>
  43 #include <rte_dev.h>
  44 #include <rte_kvargs.h>
  45 #include <rte_malloc.h>
  46 #include <rte_prefetch.h>
  47 #include <rte_bus_vdev.h>
  48
  49 #include "octeontx_ethdev.h"
  50 #include "octeontx_rxtx.h"
  51 #include "octeontx_logs.h"
  52
  53 struct octeontx_vdev_init_params {
  54         uint8_t nr_port;
  55 };
  56
  57 enum octeontx_link_speed {
  58         OCTEONTX_LINK_SPEED_SGMII,
  59         OCTEONTX_LINK_SPEED_XAUI,
  60         OCTEONTX_LINK_SPEED_RXAUI,
  61         OCTEONTX_LINK_SPEED_10G_R,
  62         OCTEONTX_LINK_SPEED_40G_R,
  63         OCTEONTX_LINK_SPEED_RESERVE1,
  64         OCTEONTX_LINK_SPEED_QSGMII,
  65         OCTEONTX_LINK_SPEED_RESERVE2
  66 };
  67
  68 /* Parse integer from integer argument */
  69 static int
  70 parse_integer_arg(const char *key __rte_unused,
  71                 const char *value, void *extra_args)
  72 {
  73         int *i = (int *)extra_args;
  74
  75         *i = atoi(value);
  76         if (*i < 0) {
  77                 octeontx_log_err("argument has to be positive.");
  78                 return -1;
  79         }
  80
  81         return 0;
  82 }
  83
  84 static int
  85 octeontx_parse_vdev_init_params(struct octeontx_vdev_init_params *params,
  86                                 struct rte_vdev_device *dev)
  87 {
  88         struct rte_kvargs *kvlist = NULL;
  89         int ret = 0;
  90
  91         static const char * const octeontx_vdev_valid_params[] = {
  92                 OCTEONTX_VDEV_NR_PORT_ARG,
  93                 NULL
  94         };
  95
  96         const char *input_args = rte_vdev_device_args(dev);
  97         if (params == NULL)
  98                 return -EINVAL;
  99
 100
 101         if (input_args) {
 102                 kvlist = rte_kvargs_parse(input_args,
 103                                 octeontx_vdev_valid_params);
 104                 if (kvlist == NULL)
 105                         return -1;
 106
 107                 ret = rte_kvargs_process(kvlist,
 108                                         OCTEONTX_VDEV_NR_PORT_ARG,
 109                                         &parse_integer_arg,
 110                                         &params->nr_port);
 111                 if (ret < 0)
 112                         goto free_kvlist;
 113         }
 114
 115 free_kvlist:
 116         rte_kvargs_free(kvlist);
 117         return ret;
 118 }
 119
 120 static int
 121 octeontx_port_open(struct octeontx_nic *nic)
 122 {
 123         octeontx_mbox_bgx_port_conf_t bgx_port_conf;
 124         int res;
 125
 126         res = 0;
 127
 128         PMD_INIT_FUNC_TRACE();
 129
 130         res = octeontx_bgx_port_open(nic->port_id, &bgx_port_conf);
 131         if (res < 0) {
 132                 octeontx_log_err("failed to open port %d", res);
 133                 return res;
 134         }
 135
 136         nic->node = bgx_port_conf.node;
 137         nic->port_ena = bgx_port_conf.enable;
 138         nic->base_ichan = bgx_port_conf.base_chan;
 139         nic->base_ochan = bgx_port_conf.base_chan;
 140         nic->num_ichans = bgx_port_conf.num_chans;
 141         nic->num_ochans = bgx_port_conf.num_chans;
 142         nic->mtu = bgx_port_conf.mtu;
 143         nic->bpen = bgx_port_conf.bpen;
 144         nic->fcs_strip = bgx_port_conf.fcs_strip;
 145         nic->bcast_mode = bgx_port_conf.bcast_mode;
 146         nic->mcast_mode = bgx_port_conf.mcast_mode;
 147         nic->speed      = bgx_port_conf.mode;
 148
 149         memcpy(&nic->mac_addr[0], &bgx_port_conf.macaddr[0], ETHER_ADDR_LEN);
 150
 151         octeontx_log_dbg("port opened %d", nic->port_id);
 152         return res;
 153 }
 154
 155 static void
 156 octeontx_port_close(struct octeontx_nic *nic)
 157 {
 158         PMD_INIT_FUNC_TRACE();
 159
 160         octeontx_bgx_port_close(nic->port_id);
 161         octeontx_log_dbg("port closed %d", nic->port_id);
 162 }
 163
 164 static int
 165 octeontx_port_start(struct octeontx_nic *nic)
 166 {
 167         PMD_INIT_FUNC_TRACE();
 168
 169         return octeontx_bgx_port_start(nic->port_id);
 170 }
 171
 172 static int
 173 octeontx_port_stop(struct octeontx_nic *nic)
 174 {
 175         PMD_INIT_FUNC_TRACE();
 176
 177         return octeontx_bgx_port_stop(nic->port_id);
 178 }
 179
 180 static void
 181 octeontx_port_promisc_set(struct octeontx_nic *nic, int en)
 182 {
 183         struct rte_eth_dev *dev;
 184         int res;
 185
 186         res = 0;
 187         PMD_INIT_FUNC_TRACE();
 188         dev = nic->dev;
 189
 190         res = octeontx_bgx_port_promisc_set(nic->port_id, en);
 191         if (res < 0)
 192                 octeontx_log_err("failed to set promiscuous mode %d",
 193                                 nic->port_id);
 194
 195         /* Set proper flag for the mode */
 196         dev->data->promiscuous = (en != 0) ? 1 : 0;
 197
 198         octeontx_log_dbg("port %d : promiscuous mode %s",
 199                         nic->port_id, en ? "set" : "unset");
 200 }
 201
 202 static int
 203 octeontx_port_stats(struct octeontx_nic *nic, struct rte_eth_stats *stats)
 204 {
 205         octeontx_mbox_bgx_port_stats_t bgx_stats;
 206         int res;
 207
 208         PMD_INIT_FUNC_TRACE();
 209
 210         res = octeontx_bgx_port_stats(nic->port_id, &bgx_stats);
 211         if (res < 0) {
 212                 octeontx_log_err("failed to get port stats %d", nic->port_id);
 213                 return res;
 214         }
 215
 216         stats->ipackets = bgx_stats.rx_packets;
 217         stats->ibytes = bgx_stats.rx_bytes;
 218         stats->imissed = bgx_stats.rx_dropped;
 219         stats->ierrors = bgx_stats.rx_errors;
 220         stats->opackets = bgx_stats.tx_packets;
 221         stats->obytes = bgx_stats.tx_bytes;
 222         stats->oerrors = bgx_stats.tx_errors;
 223
 224         octeontx_log_dbg("port%d stats inpkts=%" PRIx64 " outpkts=%" PRIx64 "",
 225                         nic->port_id, stats->ipackets, stats->opackets);
 226
 227         return 0;
 228 }
 229
 230 static void
 231 octeontx_port_stats_clr(struct octeontx_nic *nic)
 232 {
 233         PMD_INIT_FUNC_TRACE();
 234
 235         octeontx_bgx_port_stats_clr(nic->port_id);
 236 }
 237
 238 static inline void
 239 devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf,
 240                                 struct rte_event_dev_info *info)
 241 {
 242         memset(dev_conf, 0, sizeof(struct rte_event_dev_config));
 243         dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns;
 244
 245         dev_conf->nb_event_ports = info->max_event_ports;
 246         dev_conf->nb_event_queues = info->max_event_queues;
 247
 248         dev_conf->nb_event_queue_flows = info->max_event_queue_flows;
 249         dev_conf->nb_event_port_dequeue_depth =
 250                         info->max_event_port_dequeue_depth;
 251         dev_conf->nb_event_port_enqueue_depth =
 252                         info->max_event_port_enqueue_depth;
 253         dev_conf->nb_event_port_enqueue_depth =
 254                         info->max_event_port_enqueue_depth;
 255         dev_conf->nb_events_limit =
 256                         info->max_num_events;
 257 }
 258
 259 static int
 260 octeontx_dev_configure(struct rte_eth_dev *dev)
 261 {
 262         struct rte_eth_dev_data *data = dev->data;
 263         struct rte_eth_conf *conf = &data->dev_conf;
 264         struct rte_eth_rxmode *rxmode = &conf->rxmode;
 265         struct rte_eth_txmode *txmode = &conf->txmode;
 266         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 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         if (!rxmode->hw_strip_crc) {
 289                 PMD_INIT_LOG(NOTICE, "can't disable hw crc strip");
 290                 rxmode->hw_strip_crc = 1;
 291         }
 292
 293         if (rxmode->hw_ip_checksum) {
 294                 PMD_INIT_LOG(NOTICE, "rxcksum not supported");
 295                 rxmode->hw_ip_checksum = 0;
 296         }
 297
 298         if (rxmode->split_hdr_size) {
 299                 octeontx_log_err("rxmode does not support split header");
 300                 return -EINVAL;
 301         }
 302
 303         if (rxmode->hw_vlan_filter) {
 304                 octeontx_log_err("VLAN filter not supported");
 305                 return -EINVAL;
 306         }
 307
 308         if (rxmode->hw_vlan_extend) {
 309                 octeontx_log_err("VLAN extended not supported");
 310                 return -EINVAL;
 311         }
 312
 313         if (rxmode->enable_lro) {
 314                 octeontx_log_err("LRO not supported");
 315                 return -EINVAL;
 316         }
 317
 318         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
 319                 octeontx_log_err("setting link speed/duplex not supported");
 320                 return -EINVAL;
 321         }
 322
 323         if (conf->dcb_capability_en) {
 324                 octeontx_log_err("DCB enable not supported");
 325                 return -EINVAL;
 326         }
 327
 328         if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
 329                 octeontx_log_err("flow director not supported");
 330                 return -EINVAL;
 331         }
 332
 333         nic->num_tx_queues = dev->data->nb_tx_queues;
 334
 335         ret = octeontx_pko_channel_open(nic->port_id * PKO_VF_NUM_DQ,
 336                                         nic->num_tx_queues,
 337                                         nic->base_ochan);
 338         if (ret) {
 339                 octeontx_log_err("failed to open channel %d no-of-txq %d",
 340                            nic->base_ochan, nic->num_tx_queues);
 341                 return -EFAULT;
 342         }
 343
 344         nic->pki.classifier_enable = false;
 345         nic->pki.hash_enable = true;
 346         nic->pki.initialized = false;
 347
 348         return 0;
 349 }
 350
 351 static void
 352 octeontx_dev_close(struct rte_eth_dev *dev)
 353 {
 354         struct octeontx_txq *txq = NULL;
 355         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 356         unsigned int i;
 357         int ret;
 358
 359         PMD_INIT_FUNC_TRACE();
 360
 361         rte_event_dev_close(nic->evdev);
 362
 363         ret = octeontx_pko_channel_close(nic->base_ochan);
 364         if (ret < 0) {
 365                 octeontx_log_err("failed to close channel %d VF%d %d %d",
 366                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 367                              ret);
 368         }
 369         /* Free txq resources for this port */
 370         for (i = 0; i < nic->num_tx_queues; i++) {
 371                 txq = dev->data->tx_queues[i];
 372                 if (!txq)
 373                         continue;
 374
 375                 rte_free(txq);
 376         }
 377 }
 378
 379 static int
 380 octeontx_dev_start(struct rte_eth_dev *dev)
 381 {
 382         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 383         int ret;
 384
 385         ret = 0;
 386
 387         PMD_INIT_FUNC_TRACE();
 388         /*
 389          * Tx start
 390          */
 391         dev->tx_pkt_burst = octeontx_xmit_pkts;
 392         ret = octeontx_pko_channel_start(nic->base_ochan);
 393         if (ret < 0) {
 394                 octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
 395                            nic->port_id, nic->num_tx_queues, nic->base_ochan,
 396                            ret);
 397                 goto error;
 398         }
 399
 400         /*
 401          * Rx start
 402          */
 403         dev->rx_pkt_burst = octeontx_recv_pkts;
 404         ret = octeontx_pki_port_start(nic->port_id);
 405         if (ret < 0) {
 406                 octeontx_log_err("fail to start Rx on port %d", nic->port_id);
 407                 goto channel_stop_error;
 408         }
 409
 410         /*
 411          * Start port
 412          */
 413         ret = octeontx_port_start(nic);
 414         if (ret < 0) {
 415                 octeontx_log_err("failed start port %d", ret);
 416                 goto pki_port_stop_error;
 417         }
 418
 419         PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
 420                         nic->base_ochan, nic->num_tx_queues, nic->port_id);
 421
 422         ret = rte_event_dev_start(nic->evdev);
 423         if (ret < 0) {
 424                 octeontx_log_err("failed to start evdev: ret (%d)", ret);
 425                 goto pki_port_stop_error;
 426         }
 427
 428         /* Success */
 429         return ret;
 430
 431 pki_port_stop_error:
 432         octeontx_pki_port_stop(nic->port_id);
 433 channel_stop_error:
 434         octeontx_pko_channel_stop(nic->base_ochan);
 435 error:
 436         return ret;
 437 }
 438
 439 static void
 440 octeontx_dev_stop(struct rte_eth_dev *dev)
 441 {
 442         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 443         int ret;
 444
 445         PMD_INIT_FUNC_TRACE();
 446
 447         rte_event_dev_stop(nic->evdev);
 448
 449         ret = octeontx_port_stop(nic);
 450         if (ret < 0) {
 451                 octeontx_log_err("failed to req stop port %d res=%d",
 452                                         nic->port_id, ret);
 453                 return;
 454         }
 455
 456         ret = octeontx_pki_port_stop(nic->port_id);
 457         if (ret < 0) {
 458                 octeontx_log_err("failed to stop pki port %d res=%d",
 459                                         nic->port_id, ret);
 460                 return;
 461         }
 462
 463         ret = octeontx_pko_channel_stop(nic->base_ochan);
 464         if (ret < 0) {
 465                 octeontx_log_err("failed to stop channel %d VF%d %d %d",
 466                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 467                              ret);
 468                 return;
 469         }
 470
 471         dev->tx_pkt_burst = NULL;
 472         dev->rx_pkt_burst = NULL;
 473 }
 474
 475 static void
 476 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
 477 {
 478         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 479
 480         PMD_INIT_FUNC_TRACE();
 481         octeontx_port_promisc_set(nic, 1);
 482 }
 483
 484 static void
 485 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
 486 {
 487         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 488
 489         PMD_INIT_FUNC_TRACE();
 490         octeontx_port_promisc_set(nic, 0);
 491 }
 492
 493 static inline int
 494 octeontx_atomic_write_link_status(struct rte_eth_dev *dev,
 495                                   struct rte_eth_link *link)
 496 {
 497         struct rte_eth_link *dst = &dev->data->dev_link;
 498         struct rte_eth_link *src = link;
 499
 500         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 501                 *(uint64_t *)src) == 0)
 502                 return -1;
 503
 504         return 0;
 505 }
 506
 507 static int
 508 octeontx_port_link_status(struct octeontx_nic *nic)
 509 {
 510         int res;
 511
 512         PMD_INIT_FUNC_TRACE();
 513         res = octeontx_bgx_port_link_status(nic->port_id);
 514         if (res < 0) {
 515                 octeontx_log_err("failed to get port %d link status",
 516                                 nic->port_id);
 517                 return res;
 518         }
 519
 520         nic->link_up = (uint8_t)res;
 521         octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
 522
 523         return res;
 524 }
 525
 526 /*
 527  * Return 0 means link status changed, -1 means not changed
 528  */
 529 static int
 530 octeontx_dev_link_update(struct rte_eth_dev *dev,
 531                          int wait_to_complete __rte_unused)
 532 {
 533         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 534         struct rte_eth_link link;
 535         int res;
 536
 537         res = 0;
 538         PMD_INIT_FUNC_TRACE();
 539
 540         res = octeontx_port_link_status(nic);
 541         if (res < 0) {
 542                 octeontx_log_err("failed to request link status %d", res);
 543                 return res;
 544         }
 545
 546         link.link_status = nic->link_up;
 547
 548         switch (nic->speed) {
 549         case OCTEONTX_LINK_SPEED_SGMII:
 550                 link.link_speed = ETH_SPEED_NUM_1G;
 551                 break;
 552
 553         case OCTEONTX_LINK_SPEED_XAUI:
 554                 link.link_speed = ETH_SPEED_NUM_10G;
 555                 break;
 556
 557         case OCTEONTX_LINK_SPEED_RXAUI:
 558         case OCTEONTX_LINK_SPEED_10G_R:
 559                 link.link_speed = ETH_SPEED_NUM_10G;
 560                 break;
 561         case OCTEONTX_LINK_SPEED_QSGMII:
 562                 link.link_speed = ETH_SPEED_NUM_5G;
 563                 break;
 564         case OCTEONTX_LINK_SPEED_40G_R:
 565                 link.link_speed = ETH_SPEED_NUM_40G;
 566                 break;
 567
 568         case OCTEONTX_LINK_SPEED_RESERVE1:
 569         case OCTEONTX_LINK_SPEED_RESERVE2:
 570         default:
 571                 octeontx_log_err("incorrect link speed %d", nic->speed);
 572                 break;
 573         }
 574
 575         link.link_duplex = ETH_LINK_AUTONEG;
 576         link.link_autoneg = ETH_LINK_SPEED_AUTONEG;
 577
 578         return octeontx_atomic_write_link_status(dev, &link);
 579 }
 580
 581 static int
 582 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 583 {
 584         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 585
 586         PMD_INIT_FUNC_TRACE();
 587         return octeontx_port_stats(nic, stats);
 588 }
 589
 590 static void
 591 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
 592 {
 593         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 594
 595         PMD_INIT_FUNC_TRACE();
 596         octeontx_port_stats_clr(nic);
 597 }
 598
 599 static void
 600 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
 601                                         struct ether_addr *addr)
 602 {
 603         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 604         int ret;
 605
 606         ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
 607         if (ret != 0)
 608                 octeontx_log_err("failed to set MAC address on port %d",
 609                                 nic->port_id);
 610 }
 611
 612 static void
 613 octeontx_dev_info(struct rte_eth_dev *dev,
 614                 struct rte_eth_dev_info *dev_info)
 615 {
 616         RTE_SET_USED(dev);
 617
 618         /* Autonegotiation may be disabled */
 619         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
 620         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
 621                         ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
 622                         ETH_LINK_SPEED_40G;
 623
 624         dev_info->driver_name = RTE_STR(rte_octeontx_pmd);
 625         dev_info->max_mac_addrs = 1;
 626         dev_info->max_rx_pktlen = PKI_MAX_PKTLEN;
 627         dev_info->max_rx_queues = 1;
 628         dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
 629         dev_info->min_rx_bufsize = 0;
 630         dev_info->pci_dev = NULL;
 631
 632         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 633                 .rx_free_thresh = 0,
 634                 .rx_drop_en = 0,
 635         };
 636
 637         dev_info->default_txconf = (struct rte_eth_txconf) {
 638                 .tx_free_thresh = 0,
 639                 .txq_flags =
 640                         ETH_TXQ_FLAGS_NOMULTSEGS |
 641                         ETH_TXQ_FLAGS_NOOFFLOADS |
 642                         ETH_TXQ_FLAGS_NOXSUMS,
 643         };
 644
 645         dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MT_LOCKFREE;
 646 }
 647
 648 static void
 649 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
 650 {
 651         ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
 652         ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
 653         ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
 654 }
 655
 656 static int
 657 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 658                                 uint16_t qidx)
 659 {
 660         struct octeontx_txq *txq;
 661         int res;
 662
 663         PMD_INIT_FUNC_TRACE();
 664
 665         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
 666                 return 0;
 667
 668         txq = dev->data->tx_queues[qidx];
 669
 670         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 671                                                 &txq->dq,
 672                                                 sizeof(octeontx_dq_t),
 673                                                 txq->queue_id,
 674                                                 octeontx_dq_info_getter);
 675         if (res < 0) {
 676                 res = -EFAULT;
 677                 goto close_port;
 678         }
 679
 680         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
 681         return res;
 682
 683 close_port:
 684         (void)octeontx_port_stop(nic);
 685         octeontx_pko_channel_stop(nic->base_ochan);
 686         octeontx_pko_channel_close(nic->base_ochan);
 687         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 688         return res;
 689 }
 690
 691 static int
 692 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
 693 {
 694         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 695
 696         PMD_INIT_FUNC_TRACE();
 697         qidx = qidx % PKO_VF_NUM_DQ;
 698         return octeontx_vf_start_tx_queue(dev, nic, qidx);
 699 }
 700
 701 static inline int
 702 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 703                           uint16_t qidx)
 704 {
 705         int ret = 0;
 706
 707         RTE_SET_USED(nic);
 708         PMD_INIT_FUNC_TRACE();
 709
 710         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
 711                 return 0;
 712
 713         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 714         return ret;
 715 }
 716
 717 static int
 718 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
 719 {
 720         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 721
 722         PMD_INIT_FUNC_TRACE();
 723         qidx = qidx % PKO_VF_NUM_DQ;
 724
 725         return octeontx_vf_stop_tx_queue(dev, nic, qidx);
 726 }
 727
 728 static void
 729 octeontx_dev_tx_queue_release(void *tx_queue)
 730 {
 731         struct octeontx_txq *txq = tx_queue;
 732         int res;
 733
 734         PMD_INIT_FUNC_TRACE();
 735
 736         if (txq) {
 737                 res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id);
 738                 if (res < 0)
 739                         octeontx_log_err("failed stop tx_queue(%d)\n",
 740                                    txq->queue_id);
 741
 742                 rte_free(txq);
 743         }
 744 }
 745
 746 static int
 747 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 748                             uint16_t nb_desc, unsigned int socket_id,
 749                             const struct rte_eth_txconf *tx_conf)
 750 {
 751         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 752         struct octeontx_txq *txq = NULL;
 753         uint16_t dq_num;
 754         int res = 0;
 755
 756         RTE_SET_USED(nb_desc);
 757         RTE_SET_USED(socket_id);
 758         RTE_SET_USED(tx_conf);
 759
 760         dq_num = (nic->port_id * PKO_VF_NUM_DQ) + qidx;
 761
 762         /* Socket id check */
 763         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 764                         socket_id != (unsigned int)nic->node)
 765                 PMD_TX_LOG(INFO, "socket_id expected %d, configured %d",
 766                                                 socket_id, nic->node);
 767
 768         /* Free memory prior to re-allocation if needed. */
 769         if (dev->data->tx_queues[qidx] != NULL) {
 770                 PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d",
 771                                 qidx);
 772                 octeontx_dev_tx_queue_release(dev->data->tx_queues[qidx]);
 773                 dev->data->tx_queues[qidx] = NULL;
 774         }
 775
 776         /* Allocating tx queue data structure */
 777         txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq),
 778                                  RTE_CACHE_LINE_SIZE, nic->node);
 779         if (txq == NULL) {
 780                 octeontx_log_err("failed to allocate txq=%d", qidx);
 781                 res = -ENOMEM;
 782                 goto err;
 783         }
 784
 785         txq->eth_dev = dev;
 786         txq->queue_id = dq_num;
 787         dev->data->tx_queues[qidx] = txq;
 788         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 789
 790         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 791                                                 &txq->dq,
 792                                                 sizeof(octeontx_dq_t),
 793                                                 txq->queue_id,
 794                                                 octeontx_dq_info_getter);
 795         if (res < 0) {
 796                 res = -EFAULT;
 797                 goto err;
 798         }
 799
 800         PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p",
 801                         qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va,
 802                         txq->dq.ioreg_va,
 803                         txq->dq.fc_status_va);
 804
 805         return res;
 806
 807 err:
 808         if (txq)
 809                 rte_free(txq);
 810
 811         return res;
 812 }
 813
 814 static int
 815 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 816                                 uint16_t nb_desc, unsigned int socket_id,
 817                                 const struct rte_eth_rxconf *rx_conf,
 818                                 struct rte_mempool *mb_pool)
 819 {
 820         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 821         struct rte_mempool_ops *mp_ops = NULL;
 822         struct octeontx_rxq *rxq = NULL;
 823         pki_pktbuf_cfg_t pktbuf_conf;
 824         pki_hash_cfg_t pki_hash;
 825         pki_qos_cfg_t pki_qos;
 826         uintptr_t pool;
 827         int ret, port;
 828         uint8_t gaura;
 829         unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx;
 830         unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx;
 831
 832         RTE_SET_USED(nb_desc);
 833
 834         memset(&pktbuf_conf, 0, sizeof(pktbuf_conf));
 835         memset(&pki_hash, 0, sizeof(pki_hash));
 836         memset(&pki_qos, 0, sizeof(pki_qos));
 837
 838         mp_ops = rte_mempool_get_ops(mb_pool->ops_index);
 839         if (strcmp(mp_ops->name, "octeontx_fpavf")) {
 840                 octeontx_log_err("failed to find octeontx_fpavf mempool");
 841                 return -ENOTSUP;
 842         }
 843
 844         /* Handle forbidden configurations */
 845         if (nic->pki.classifier_enable) {
 846                 octeontx_log_err("cannot setup queue %d. "
 847                                         "Classifier option unsupported", qidx);
 848                 return -EINVAL;
 849         }
 850
 851         port = nic->port_id;
 852
 853         /* Rx deferred start is not supported */
 854         if (rx_conf->rx_deferred_start) {
 855                 octeontx_log_err("rx deferred start not supported");
 856                 return -EINVAL;
 857         }
 858
 859         /* Verify queue index */
 860         if (qidx >= dev->data->nb_rx_queues) {
 861                 octeontx_log_err("QID %d not supporteded (0 - %d available)\n",
 862                                 qidx, (dev->data->nb_rx_queues - 1));
 863                 return -ENOTSUP;
 864         }
 865
 866         /* Socket id check */
 867         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 868                         socket_id != (unsigned int)nic->node)
 869                 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d",
 870                                                 socket_id, nic->node);
 871
 872         /* Allocating rx queue data structure */
 873         rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq),
 874                                  RTE_CACHE_LINE_SIZE, nic->node);
 875         if (rxq == NULL) {
 876                 octeontx_log_err("failed to allocate rxq=%d", qidx);
 877                 return -ENOMEM;
 878         }
 879
 880         if (!nic->pki.initialized) {
 881                 pktbuf_conf.port_type = 0;
 882                 pki_hash.port_type = 0;
 883                 pki_qos.port_type = 0;
 884
 885                 pktbuf_conf.mmask.f_wqe_skip = 1;
 886                 pktbuf_conf.mmask.f_first_skip = 1;
 887                 pktbuf_conf.mmask.f_later_skip = 1;
 888                 pktbuf_conf.mmask.f_mbuff_size = 1;
 889                 pktbuf_conf.mmask.f_cache_mode = 1;
 890
 891                 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
 892                 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP;
 893                 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
 894                 pktbuf_conf.mbuff_size = (mb_pool->elt_size -
 895                                         RTE_PKTMBUF_HEADROOM -
 896                                         sizeof(struct rte_mbuf));
 897
 898                 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
 899
 900                 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
 901                 if (ret != 0) {
 902                         octeontx_log_err("fail to configure pktbuf for port %d",
 903                                         port);
 904                         rte_free(rxq);
 905                         return ret;
 906                 }
 907                 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
 908                                 "\tmbuf_size:\t0x%0x\n"
 909                                 "\twqe_skip:\t0x%0x\n"
 910                                 "\tfirst_skip:\t0x%0x\n"
 911                                 "\tlater_skip:\t0x%0x\n"
 912                                 "\tcache_mode:\t%s\n",
 913                                 port,
 914                                 pktbuf_conf.mbuff_size,
 915                                 pktbuf_conf.wqe_skip,
 916                                 pktbuf_conf.first_skip,
 917                                 pktbuf_conf.later_skip,
 918                                 (pktbuf_conf.cache_mode ==
 919                                                 PKI_OPC_MODE_STT) ?
 920                                 "STT" :
 921                                 (pktbuf_conf.cache_mode ==
 922                                                 PKI_OPC_MODE_STF) ?
 923                                 "STF" :
 924                                 (pktbuf_conf.cache_mode ==
 925                                                 PKI_OPC_MODE_STF1_STT) ?
 926                                 "STF1_STT" : "STF2_STT");
 927
 928                 if (nic->pki.hash_enable) {
 929                         pki_hash.tag_dlc = 1;
 930                         pki_hash.tag_slc = 1;
 931                         pki_hash.tag_dlf = 1;
 932                         pki_hash.tag_slf = 1;
 933                         pki_hash.tag_prt = 1;
 934                         octeontx_pki_port_hash_config(port, &pki_hash);
 935                 }
 936
 937                 pool = (uintptr_t)mb_pool->pool_id;
 938
 939                 /* Get the gpool Id */
 940                 gaura = octeontx_fpa_bufpool_gpool(pool);
 941
 942                 pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
 943                 pki_qos.num_entry = 1;
 944                 pki_qos.drop_policy = 0;
 945                 pki_qos.tag_type = 0L;
 946                 pki_qos.qos_entry[0].port_add = 0;
 947                 pki_qos.qos_entry[0].gaura = gaura;
 948                 pki_qos.qos_entry[0].ggrp_ok = ev_queues;
 949                 pki_qos.qos_entry[0].ggrp_bad = ev_queues;
 950                 pki_qos.qos_entry[0].grptag_bad = 0;
 951                 pki_qos.qos_entry[0].grptag_ok = 0;
 952
 953                 ret = octeontx_pki_port_create_qos(port, &pki_qos);
 954                 if (ret < 0) {
 955                         octeontx_log_err("failed to create QOS port=%d, q=%d",
 956                                         port, qidx);
 957                         rte_free(rxq);
 958                         return ret;
 959                 }
 960                 nic->pki.initialized = true;
 961         }
 962
 963         rxq->port_id = nic->port_id;
 964         rxq->eth_dev = dev;
 965         rxq->queue_id = qidx;
 966         rxq->evdev = nic->evdev;
 967         rxq->ev_queues = ev_queues;
 968         rxq->ev_ports = ev_ports;
 969
 970         dev->data->rx_queues[qidx] = rxq;
 971         dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 972         return 0;
 973 }
 974
 975 static void
 976 octeontx_dev_rx_queue_release(void *rxq)
 977 {
 978         rte_free(rxq);
 979 }
 980
 981 static const uint32_t *
 982 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 983 {
 984         static const uint32_t ptypes[] = {
 985                 RTE_PTYPE_L3_IPV4,
 986                 RTE_PTYPE_L3_IPV4_EXT,
 987                 RTE_PTYPE_L3_IPV6,
 988                 RTE_PTYPE_L3_IPV6_EXT,
 989                 RTE_PTYPE_L4_TCP,
 990                 RTE_PTYPE_L4_UDP,
 991                 RTE_PTYPE_L4_FRAG,
 992                 RTE_PTYPE_UNKNOWN
 993         };
 994
 995         if (dev->rx_pkt_burst == octeontx_recv_pkts)
 996                 return ptypes;
 997
 998         return NULL;
 999 }
1000
1001 /* Initialize and register driver with DPDK Application */
1002 static const struct eth_dev_ops octeontx_dev_ops = {
1003         .dev_configure           = octeontx_dev_configure,
1004         .dev_infos_get           = octeontx_dev_info,
1005         .dev_close               = octeontx_dev_close,
1006         .dev_start               = octeontx_dev_start,
1007         .dev_stop                = octeontx_dev_stop,
1008         .promiscuous_enable      = octeontx_dev_promisc_enable,
1009         .promiscuous_disable     = octeontx_dev_promisc_disable,
1010         .link_update             = octeontx_dev_link_update,
1011         .stats_get               = octeontx_dev_stats_get,
1012         .stats_reset             = octeontx_dev_stats_reset,
1013         .mac_addr_set            = octeontx_dev_default_mac_addr_set,
1014         .tx_queue_start          = octeontx_dev_tx_queue_start,
1015         .tx_queue_stop           = octeontx_dev_tx_queue_stop,
1016         .tx_queue_setup          = octeontx_dev_tx_queue_setup,
1017         .tx_queue_release        = octeontx_dev_tx_queue_release,
1018         .rx_queue_setup          = octeontx_dev_rx_queue_setup,
1019         .rx_queue_release        = octeontx_dev_rx_queue_release,
1020         .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
1021 };
1022
1023 /* Create Ethdev interface per BGX LMAC ports */
1024 static int
1025 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
1026                         int socket_id)
1027 {
1028         int res;
1029         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1030         struct octeontx_nic *nic = NULL;
1031         struct rte_eth_dev *eth_dev = NULL;
1032         struct rte_eth_dev_data *data = NULL;
1033         const char *name = rte_vdev_device_name(dev);
1034
1035         PMD_INIT_FUNC_TRACE();
1036
1037         sprintf(octtx_name, "%s_%d", name, port);
1038         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1039                 eth_dev = rte_eth_dev_attach_secondary(octtx_name);
1040                 if (eth_dev == NULL)
1041                         return -ENODEV;
1042
1043                 eth_dev->tx_pkt_burst = octeontx_xmit_pkts;
1044                 eth_dev->rx_pkt_burst = octeontx_recv_pkts;
1045                 return 0;
1046         }
1047
1048         data = rte_zmalloc_socket(octtx_name, sizeof(*data), 0, socket_id);
1049         if (data == NULL) {
1050                 octeontx_log_err("failed to allocate devdata");
1051                 res = -ENOMEM;
1052                 goto err;
1053         }
1054
1055         nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
1056         if (nic == NULL) {
1057                 octeontx_log_err("failed to allocate nic structure");
1058                 res = -ENOMEM;
1059                 goto err;
1060         }
1061
1062         nic->port_id = port;
1063         nic->evdev = evdev;
1064
1065         res = octeontx_port_open(nic);
1066         if (res < 0)
1067                 goto err;
1068
1069         /* Rx side port configuration */
1070         res = octeontx_pki_port_open(port);
1071         if (res != 0) {
1072                 octeontx_log_err("failed to open PKI port %d", port);
1073                 res = -ENODEV;
1074                 goto err;
1075         }
1076
1077         /* Reserve an ethdev entry */
1078         eth_dev = rte_eth_dev_allocate(octtx_name);
1079         if (eth_dev == NULL) {
1080                 octeontx_log_err("failed to allocate rte_eth_dev");
1081                 res = -ENOMEM;
1082                 goto err;
1083         }
1084
1085         eth_dev->device = &dev->device;
1086         eth_dev->intr_handle = NULL;
1087         eth_dev->data->kdrv = RTE_KDRV_NONE;
1088         eth_dev->data->numa_node = dev->device.numa_node;
1089
1090         rte_memcpy(data, (eth_dev)->data, sizeof(*data));
1091         data->dev_private = nic;
1092
1093         data->port_id = eth_dev->data->port_id;
1094         snprintf(data->name, sizeof(data->name), "%s", eth_dev->data->name);
1095
1096         nic->ev_queues = 1;
1097         nic->ev_ports = 1;
1098
1099         data->dev_link.link_status = ETH_LINK_DOWN;
1100         data->dev_started = 0;
1101         data->promiscuous = 0;
1102         data->all_multicast = 0;
1103         data->scattered_rx = 0;
1104
1105         data->mac_addrs = rte_zmalloc_socket(octtx_name, ETHER_ADDR_LEN, 0,
1106                                                         socket_id);
1107         if (data->mac_addrs == NULL) {
1108                 octeontx_log_err("failed to allocate memory for mac_addrs");
1109                 res = -ENOMEM;
1110                 goto err;
1111         }
1112
1113         eth_dev->data = data;
1114         eth_dev->dev_ops = &octeontx_dev_ops;
1115
1116         /* Finally save ethdev pointer to the NIC structure */
1117         nic->dev = eth_dev;
1118
1119         if (nic->port_id != data->port_id) {
1120                 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
1121                                 data->port_id, nic->port_id);
1122                 res = -EINVAL;
1123                 goto err;
1124         }
1125
1126         /* Update port_id mac to eth_dev */
1127         memcpy(data->mac_addrs, nic->mac_addr, ETHER_ADDR_LEN);
1128
1129         PMD_INIT_LOG(DEBUG, "ethdev info: ");
1130         PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
1131                                 nic->port_id, nic->port_ena,
1132                                 nic->base_ochan, nic->num_ochans,
1133                                 nic->num_tx_queues);
1134         PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu);
1135
1136         return data->port_id;
1137
1138 err:
1139         if (port)
1140                 octeontx_port_close(nic);
1141
1142         if (eth_dev != NULL) {
1143                 rte_free(eth_dev->data->mac_addrs);
1144                 rte_free(data);
1145                 rte_free(nic);
1146                 rte_eth_dev_release_port(eth_dev);
1147         }
1148
1149         return res;
1150 }
1151
1152 /* Un initialize octeontx device */
1153 static int
1154 octeontx_remove(struct rte_vdev_device *dev)
1155 {
1156         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1157         struct rte_eth_dev *eth_dev = NULL;
1158         struct octeontx_nic *nic = NULL;
1159         int i;
1160
1161         if (dev == NULL)
1162                 return -EINVAL;
1163
1164         for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
1165                 sprintf(octtx_name, "eth_octeontx_%d", i);
1166
1167                 /* reserve an ethdev entry */
1168                 eth_dev = rte_eth_dev_allocated(octtx_name);
1169                 if (eth_dev == NULL)
1170                         return -ENODEV;
1171
1172                 nic = octeontx_pmd_priv(eth_dev);
1173                 rte_event_dev_stop(nic->evdev);
1174                 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
1175
1176                 rte_free(eth_dev->data->mac_addrs);
1177                 rte_free(eth_dev->data->dev_private);
1178                 rte_free(eth_dev->data);
1179                 rte_eth_dev_release_port(eth_dev);
1180                 rte_event_dev_close(nic->evdev);
1181         }
1182
1183         /* Free FC resource */
1184         octeontx_pko_fc_free();
1185
1186         return 0;
1187 }
1188
1189 /* Initialize octeontx device */
1190 static int
1191 octeontx_probe(struct rte_vdev_device *dev)
1192 {
1193         const char *dev_name;
1194         static int probe_once;
1195         uint8_t socket_id, qlist;
1196         int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
1197         struct rte_event_dev_config dev_conf;
1198         const char *eventdev_name = "event_octeontx";
1199         struct rte_event_dev_info info;
1200
1201         struct octeontx_vdev_init_params init_params = {
1202                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
1203         };
1204
1205         dev_name = rte_vdev_device_name(dev);
1206         res = octeontx_parse_vdev_init_params(&init_params, dev);
1207         if (res < 0)
1208                 return -EINVAL;
1209
1210         if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
1211                 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
1212                                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
1213                 return -ENOTSUP;
1214         }
1215
1216         PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
1217
1218         socket_id = rte_socket_id();
1219
1220         tx_vfcnt = octeontx_pko_vf_count();
1221
1222         if (tx_vfcnt < init_params.nr_port) {
1223                 octeontx_log_err("not enough PKO (%d) for port number (%d)",
1224                                 tx_vfcnt, init_params.nr_port);
1225                 return -EINVAL;
1226         }
1227         evdev = rte_event_dev_get_dev_id(eventdev_name);
1228         if (evdev < 0) {
1229                 octeontx_log_err("eventdev %s not found", eventdev_name);
1230                 return -ENODEV;
1231         }
1232
1233         res = rte_event_dev_info_get(evdev, &info);
1234         if (res < 0) {
1235                 octeontx_log_err("failed to eventdev info %d", res);
1236                 return -EINVAL;
1237         }
1238
1239         PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
1240                         info.max_event_queues, info.max_event_ports);
1241
1242         if (octeontx_pko_init_fc(tx_vfcnt))
1243                 return -ENOMEM;
1244
1245         devconf_set_default_sane_values(&dev_conf, &info);
1246         res = rte_event_dev_configure(evdev, &dev_conf);
1247         if (res < 0)
1248                 goto parse_error;
1249
1250         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
1251                         (uint32_t *)&pnum);
1252         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
1253                         (uint32_t *)&qnum);
1254         if (pnum < qnum) {
1255                 octeontx_log_err("too few event ports (%d) for event_q(%d)",
1256                                 pnum, qnum);
1257                 res = -EINVAL;
1258                 goto parse_error;
1259         }
1260         if (pnum > qnum) {
1261                 /*
1262                  * We don't poll on event ports
1263                  * that do not have any queues assigned.
1264                  */
1265                 pnum = qnum;
1266                 PMD_INIT_LOG(INFO,
1267                         "reducing number of active event ports to %d", pnum);
1268         }
1269         for (i = 0; i < qnum; i++) {
1270                 res = rte_event_queue_setup(evdev, i, NULL);
1271                 if (res < 0) {
1272                         octeontx_log_err("failed to setup event_q(%d): res %d",
1273                                         i, res);
1274                         goto parse_error;
1275                 }
1276         }
1277
1278         for (i = 0; i < pnum; i++) {
1279                 res = rte_event_port_setup(evdev, i, NULL);
1280                 if (res < 0) {
1281                         res = -ENODEV;
1282                         octeontx_log_err("failed to setup ev port(%d) res=%d",
1283                                                 i, res);
1284                         goto parse_error;
1285                 }
1286                 /* Link one queue to one event port */
1287                 qlist = i;
1288                 res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
1289                 if (res < 0) {
1290                         res = -ENODEV;
1291                         octeontx_log_err("failed to link port (%d): res=%d",
1292                                         i, res);
1293                         goto parse_error;
1294                 }
1295         }
1296
1297         /* Create ethdev interface */
1298         for (i = 0; i < init_params.nr_port; i++) {
1299                 port_id = octeontx_create(dev, i, evdev, socket_id);
1300                 if (port_id < 0) {
1301                         octeontx_log_err("failed to create device %s",
1302                                         dev_name);
1303                         res = -ENODEV;
1304                         goto parse_error;
1305                 }
1306
1307                 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
1308                                         port_id);
1309         }
1310
1311         if (probe_once) {
1312                 octeontx_log_err("interface %s not supported", dev_name);
1313                 octeontx_remove(dev);
1314                 res = -ENOTSUP;
1315                 goto parse_error;
1316         }
1317         probe_once = 1;
1318
1319         return 0;
1320
1321 parse_error:
1322         octeontx_pko_fc_free();
1323         return res;
1324 }
1325
1326 static struct rte_vdev_driver octeontx_pmd_drv = {
1327         .probe = octeontx_probe,
1328         .remove = octeontx_remove,
1329 };
1330
1331 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
1332 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
1333 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");