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 uint16_t
  58 rte_octeontx_pchan_map[OCTEONTX_MAX_BGX_PORTS][OCTEONTX_MAX_LMAC_PER_BGX];
  59
  60 enum octeontx_link_speed {
  61         OCTEONTX_LINK_SPEED_SGMII,
  62         OCTEONTX_LINK_SPEED_XAUI,
  63         OCTEONTX_LINK_SPEED_RXAUI,
  64         OCTEONTX_LINK_SPEED_10G_R,
  65         OCTEONTX_LINK_SPEED_40G_R,
  66         OCTEONTX_LINK_SPEED_RESERVE1,
  67         OCTEONTX_LINK_SPEED_QSGMII,
  68         OCTEONTX_LINK_SPEED_RESERVE2
  69 };
  70
  71 /* Parse integer from integer argument */
  72 static int
  73 parse_integer_arg(const char *key __rte_unused,
  74                 const char *value, void *extra_args)
  75 {
  76         int *i = (int *)extra_args;
  77
  78         *i = atoi(value);
  79         if (*i < 0) {
  80                 octeontx_log_err("argument has to be positive.");
  81                 return -1;
  82         }
  83
  84         return 0;
  85 }
  86
  87 static int
  88 octeontx_parse_vdev_init_params(struct octeontx_vdev_init_params *params,
  89                                 struct rte_vdev_device *dev)
  90 {
  91         struct rte_kvargs *kvlist = NULL;
  92         int ret = 0;
  93
  94         static const char * const octeontx_vdev_valid_params[] = {
  95                 OCTEONTX_VDEV_NR_PORT_ARG,
  96                 NULL
  97         };
  98
  99         const char *input_args = rte_vdev_device_args(dev);
 100         if (params == NULL)
 101                 return -EINVAL;
 102
 103
 104         if (input_args) {
 105                 kvlist = rte_kvargs_parse(input_args,
 106                                 octeontx_vdev_valid_params);
 107                 if (kvlist == NULL)
 108                         return -1;
 109
 110                 ret = rte_kvargs_process(kvlist,
 111                                         OCTEONTX_VDEV_NR_PORT_ARG,
 112                                         &parse_integer_arg,
 113                                         &params->nr_port);
 114                 if (ret < 0)
 115                         goto free_kvlist;
 116         }
 117
 118 free_kvlist:
 119         rte_kvargs_free(kvlist);
 120         return ret;
 121 }
 122
 123 static int
 124 octeontx_port_open(struct octeontx_nic *nic)
 125 {
 126         octeontx_mbox_bgx_port_conf_t bgx_port_conf;
 127         int res;
 128
 129         res = 0;
 130         memset(&bgx_port_conf, 0x0, sizeof(bgx_port_conf));
 131         PMD_INIT_FUNC_TRACE();
 132
 133         res = octeontx_bgx_port_open(nic->port_id, &bgx_port_conf);
 134         if (res < 0) {
 135                 octeontx_log_err("failed to open port %d", res);
 136                 return res;
 137         }
 138
 139         nic->node = bgx_port_conf.node;
 140         nic->port_ena = bgx_port_conf.enable;
 141         nic->base_ichan = bgx_port_conf.base_chan;
 142         nic->base_ochan = bgx_port_conf.base_chan;
 143         nic->num_ichans = bgx_port_conf.num_chans;
 144         nic->num_ochans = bgx_port_conf.num_chans;
 145         nic->mtu = bgx_port_conf.mtu;
 146         nic->bpen = bgx_port_conf.bpen;
 147         nic->fcs_strip = bgx_port_conf.fcs_strip;
 148         nic->bcast_mode = bgx_port_conf.bcast_mode;
 149         nic->mcast_mode = bgx_port_conf.mcast_mode;
 150         nic->speed      = bgx_port_conf.mode;
 151
 152         memcpy(&nic->mac_addr[0], &bgx_port_conf.macaddr[0], ETHER_ADDR_LEN);
 153
 154         octeontx_log_dbg("port opened %d", nic->port_id);
 155         return res;
 156 }
 157
 158 static void
 159 octeontx_port_close(struct octeontx_nic *nic)
 160 {
 161         PMD_INIT_FUNC_TRACE();
 162
 163         octeontx_bgx_port_close(nic->port_id);
 164         octeontx_log_dbg("port closed %d", nic->port_id);
 165 }
 166
 167 static int
 168 octeontx_port_start(struct octeontx_nic *nic)
 169 {
 170         PMD_INIT_FUNC_TRACE();
 171
 172         return octeontx_bgx_port_start(nic->port_id);
 173 }
 174
 175 static int
 176 octeontx_port_stop(struct octeontx_nic *nic)
 177 {
 178         PMD_INIT_FUNC_TRACE();
 179
 180         return octeontx_bgx_port_stop(nic->port_id);
 181 }
 182
 183 static void
 184 octeontx_port_promisc_set(struct octeontx_nic *nic, int en)
 185 {
 186         struct rte_eth_dev *dev;
 187         int res;
 188
 189         res = 0;
 190         PMD_INIT_FUNC_TRACE();
 191         dev = nic->dev;
 192
 193         res = octeontx_bgx_port_promisc_set(nic->port_id, en);
 194         if (res < 0)
 195                 octeontx_log_err("failed to set promiscuous mode %d",
 196                                 nic->port_id);
 197
 198         /* Set proper flag for the mode */
 199         dev->data->promiscuous = (en != 0) ? 1 : 0;
 200
 201         octeontx_log_dbg("port %d : promiscuous mode %s",
 202                         nic->port_id, en ? "set" : "unset");
 203 }
 204
 205 static int
 206 octeontx_port_stats(struct octeontx_nic *nic, struct rte_eth_stats *stats)
 207 {
 208         octeontx_mbox_bgx_port_stats_t bgx_stats;
 209         int res;
 210
 211         PMD_INIT_FUNC_TRACE();
 212
 213         res = octeontx_bgx_port_stats(nic->port_id, &bgx_stats);
 214         if (res < 0) {
 215                 octeontx_log_err("failed to get port stats %d", nic->port_id);
 216                 return res;
 217         }
 218
 219         stats->ipackets = bgx_stats.rx_packets;
 220         stats->ibytes = bgx_stats.rx_bytes;
 221         stats->imissed = bgx_stats.rx_dropped;
 222         stats->ierrors = bgx_stats.rx_errors;
 223         stats->opackets = bgx_stats.tx_packets;
 224         stats->obytes = bgx_stats.tx_bytes;
 225         stats->oerrors = bgx_stats.tx_errors;
 226
 227         octeontx_log_dbg("port%d stats inpkts=%" PRIx64 " outpkts=%" PRIx64 "",
 228                         nic->port_id, stats->ipackets, stats->opackets);
 229
 230         return 0;
 231 }
 232
 233 static void
 234 octeontx_port_stats_clr(struct octeontx_nic *nic)
 235 {
 236         PMD_INIT_FUNC_TRACE();
 237
 238         octeontx_bgx_port_stats_clr(nic->port_id);
 239 }
 240
 241 static inline void
 242 devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf,
 243                                 struct rte_event_dev_info *info)
 244 {
 245         memset(dev_conf, 0, sizeof(struct rte_event_dev_config));
 246         dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns;
 247
 248         dev_conf->nb_event_ports = info->max_event_ports;
 249         dev_conf->nb_event_queues = info->max_event_queues;
 250
 251         dev_conf->nb_event_queue_flows = info->max_event_queue_flows;
 252         dev_conf->nb_event_port_dequeue_depth =
 253                         info->max_event_port_dequeue_depth;
 254         dev_conf->nb_event_port_enqueue_depth =
 255                         info->max_event_port_enqueue_depth;
 256         dev_conf->nb_event_port_enqueue_depth =
 257                         info->max_event_port_enqueue_depth;
 258         dev_conf->nb_events_limit =
 259                         info->max_num_events;
 260 }
 261
 262 static int
 263 octeontx_dev_configure(struct rte_eth_dev *dev)
 264 {
 265         struct rte_eth_dev_data *data = dev->data;
 266         struct rte_eth_conf *conf = &data->dev_conf;
 267         struct rte_eth_rxmode *rxmode = &conf->rxmode;
 268         struct rte_eth_txmode *txmode = &conf->txmode;
 269         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 270         int ret;
 271
 272         PMD_INIT_FUNC_TRACE();
 273         RTE_SET_USED(conf);
 274
 275         if (!rte_eal_has_hugepages()) {
 276                 octeontx_log_err("huge page is not configured");
 277                 return -EINVAL;
 278         }
 279
 280         if (txmode->mq_mode) {
 281                 octeontx_log_err("tx mq_mode DCB or VMDq not supported");
 282                 return -EINVAL;
 283         }
 284
 285         if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
 286                 rxmode->mq_mode != ETH_MQ_RX_RSS) {
 287                 octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode);
 288                 return -EINVAL;
 289         }
 290
 291         if (!rxmode->hw_strip_crc) {
 292                 PMD_INIT_LOG(NOTICE, "can't disable hw crc strip");
 293                 rxmode->hw_strip_crc = 1;
 294         }
 295
 296         if (rxmode->hw_ip_checksum) {
 297                 PMD_INIT_LOG(NOTICE, "rxcksum not supported");
 298                 rxmode->hw_ip_checksum = 0;
 299         }
 300
 301         if (rxmode->split_hdr_size) {
 302                 octeontx_log_err("rxmode does not support split header");
 303                 return -EINVAL;
 304         }
 305
 306         if (rxmode->hw_vlan_filter) {
 307                 octeontx_log_err("VLAN filter not supported");
 308                 return -EINVAL;
 309         }
 310
 311         if (rxmode->hw_vlan_extend) {
 312                 octeontx_log_err("VLAN extended not supported");
 313                 return -EINVAL;
 314         }
 315
 316         if (rxmode->enable_lro) {
 317                 octeontx_log_err("LRO not supported");
 318                 return -EINVAL;
 319         }
 320
 321         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
 322                 octeontx_log_err("setting link speed/duplex not supported");
 323                 return -EINVAL;
 324         }
 325
 326         if (conf->dcb_capability_en) {
 327                 octeontx_log_err("DCB enable not supported");
 328                 return -EINVAL;
 329         }
 330
 331         if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
 332                 octeontx_log_err("flow director not supported");
 333                 return -EINVAL;
 334         }
 335
 336         nic->num_tx_queues = dev->data->nb_tx_queues;
 337
 338         ret = octeontx_pko_channel_open(nic->port_id * PKO_VF_NUM_DQ,
 339                                         nic->num_tx_queues,
 340                                         nic->base_ochan);
 341         if (ret) {
 342                 octeontx_log_err("failed to open channel %d no-of-txq %d",
 343                            nic->base_ochan, nic->num_tx_queues);
 344                 return -EFAULT;
 345         }
 346
 347         nic->pki.classifier_enable = false;
 348         nic->pki.hash_enable = true;
 349         nic->pki.initialized = false;
 350
 351         return 0;
 352 }
 353
 354 static void
 355 octeontx_dev_close(struct rte_eth_dev *dev)
 356 {
 357         struct octeontx_txq *txq = NULL;
 358         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 359         unsigned int i;
 360         int ret;
 361
 362         PMD_INIT_FUNC_TRACE();
 363
 364         rte_event_dev_close(nic->evdev);
 365
 366         ret = octeontx_pko_channel_close(nic->base_ochan);
 367         if (ret < 0) {
 368                 octeontx_log_err("failed to close channel %d VF%d %d %d",
 369                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 370                              ret);
 371         }
 372         /* Free txq resources for this port */
 373         for (i = 0; i < nic->num_tx_queues; i++) {
 374                 txq = dev->data->tx_queues[i];
 375                 if (!txq)
 376                         continue;
 377
 378                 rte_free(txq);
 379         }
 380
 381         dev->tx_pkt_burst = NULL;
 382         dev->rx_pkt_burst = NULL;
 383 }
 384
 385 static int
 386 octeontx_dev_start(struct rte_eth_dev *dev)
 387 {
 388         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 389         int ret;
 390
 391         ret = 0;
 392
 393         PMD_INIT_FUNC_TRACE();
 394         /*
 395          * Tx start
 396          */
 397         dev->tx_pkt_burst = octeontx_xmit_pkts;
 398         ret = octeontx_pko_channel_start(nic->base_ochan);
 399         if (ret < 0) {
 400                 octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
 401                            nic->port_id, nic->num_tx_queues, nic->base_ochan,
 402                            ret);
 403                 goto error;
 404         }
 405
 406         /*
 407          * Rx start
 408          */
 409         dev->rx_pkt_burst = octeontx_recv_pkts;
 410         ret = octeontx_pki_port_start(nic->port_id);
 411         if (ret < 0) {
 412                 octeontx_log_err("fail to start Rx on port %d", nic->port_id);
 413                 goto channel_stop_error;
 414         }
 415
 416         /*
 417          * Start port
 418          */
 419         ret = octeontx_port_start(nic);
 420         if (ret < 0) {
 421                 octeontx_log_err("failed start port %d", ret);
 422                 goto pki_port_stop_error;
 423         }
 424
 425         PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
 426                         nic->base_ochan, nic->num_tx_queues, nic->port_id);
 427
 428         ret = rte_event_dev_start(nic->evdev);
 429         if (ret < 0) {
 430                 octeontx_log_err("failed to start evdev: ret (%d)", ret);
 431                 goto pki_port_stop_error;
 432         }
 433
 434         /* Success */
 435         return ret;
 436
 437 pki_port_stop_error:
 438         octeontx_pki_port_stop(nic->port_id);
 439 channel_stop_error:
 440         octeontx_pko_channel_stop(nic->base_ochan);
 441 error:
 442         return ret;
 443 }
 444
 445 static void
 446 octeontx_dev_stop(struct rte_eth_dev *dev)
 447 {
 448         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 449         int ret;
 450
 451         PMD_INIT_FUNC_TRACE();
 452
 453         rte_event_dev_stop(nic->evdev);
 454
 455         ret = octeontx_port_stop(nic);
 456         if (ret < 0) {
 457                 octeontx_log_err("failed to req stop port %d res=%d",
 458                                         nic->port_id, ret);
 459                 return;
 460         }
 461
 462         ret = octeontx_pki_port_stop(nic->port_id);
 463         if (ret < 0) {
 464                 octeontx_log_err("failed to stop pki port %d res=%d",
 465                                         nic->port_id, ret);
 466                 return;
 467         }
 468
 469         ret = octeontx_pko_channel_stop(nic->base_ochan);
 470         if (ret < 0) {
 471                 octeontx_log_err("failed to stop channel %d VF%d %d %d",
 472                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 473                              ret);
 474                 return;
 475         }
 476 }
 477
 478 static void
 479 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
 480 {
 481         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 482
 483         PMD_INIT_FUNC_TRACE();
 484         octeontx_port_promisc_set(nic, 1);
 485 }
 486
 487 static void
 488 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
 489 {
 490         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 491
 492         PMD_INIT_FUNC_TRACE();
 493         octeontx_port_promisc_set(nic, 0);
 494 }
 495
 496 static inline int
 497 octeontx_atomic_write_link_status(struct rte_eth_dev *dev,
 498                                   struct rte_eth_link *link)
 499 {
 500         struct rte_eth_link *dst = &dev->data->dev_link;
 501         struct rte_eth_link *src = link;
 502
 503         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 504                 *(uint64_t *)src) == 0)
 505                 return -1;
 506
 507         return 0;
 508 }
 509
 510 static int
 511 octeontx_port_link_status(struct octeontx_nic *nic)
 512 {
 513         int res;
 514
 515         PMD_INIT_FUNC_TRACE();
 516         res = octeontx_bgx_port_link_status(nic->port_id);
 517         if (res < 0) {
 518                 octeontx_log_err("failed to get port %d link status",
 519                                 nic->port_id);
 520                 return res;
 521         }
 522
 523         nic->link_up = (uint8_t)res;
 524         octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
 525
 526         return res;
 527 }
 528
 529 /*
 530  * Return 0 means link status changed, -1 means not changed
 531  */
 532 static int
 533 octeontx_dev_link_update(struct rte_eth_dev *dev,
 534                          int wait_to_complete __rte_unused)
 535 {
 536         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 537         struct rte_eth_link link;
 538         int res;
 539
 540         PMD_INIT_FUNC_TRACE();
 541
 542         res = octeontx_port_link_status(nic);
 543         if (res < 0) {
 544                 octeontx_log_err("failed to request link status %d", res);
 545                 return res;
 546         }
 547
 548         link.link_status = nic->link_up;
 549
 550         switch (nic->speed) {
 551         case OCTEONTX_LINK_SPEED_SGMII:
 552                 link.link_speed = ETH_SPEED_NUM_1G;
 553                 break;
 554
 555         case OCTEONTX_LINK_SPEED_XAUI:
 556                 link.link_speed = ETH_SPEED_NUM_10G;
 557                 break;
 558
 559         case OCTEONTX_LINK_SPEED_RXAUI:
 560         case OCTEONTX_LINK_SPEED_10G_R:
 561                 link.link_speed = ETH_SPEED_NUM_10G;
 562                 break;
 563         case OCTEONTX_LINK_SPEED_QSGMII:
 564                 link.link_speed = ETH_SPEED_NUM_5G;
 565                 break;
 566         case OCTEONTX_LINK_SPEED_40G_R:
 567                 link.link_speed = ETH_SPEED_NUM_40G;
 568                 break;
 569
 570         case OCTEONTX_LINK_SPEED_RESERVE1:
 571         case OCTEONTX_LINK_SPEED_RESERVE2:
 572         default:
 573                 link.link_speed = ETH_SPEED_NUM_NONE;
 574                 octeontx_log_err("incorrect link speed %d", nic->speed);
 575                 break;
 576         }
 577
 578         link.link_duplex = ETH_LINK_FULL_DUPLEX;
 579         link.link_autoneg = ETH_LINK_AUTONEG;
 580
 581         return octeontx_atomic_write_link_status(dev, &link);
 582 }
 583
 584 static int
 585 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 586 {
 587         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 588
 589         PMD_INIT_FUNC_TRACE();
 590         return octeontx_port_stats(nic, stats);
 591 }
 592
 593 static void
 594 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
 595 {
 596         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 597
 598         PMD_INIT_FUNC_TRACE();
 599         octeontx_port_stats_clr(nic);
 600 }
 601
 602 static void
 603 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
 604                                         struct ether_addr *addr)
 605 {
 606         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 607         int ret;
 608
 609         ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
 610         if (ret != 0)
 611                 octeontx_log_err("failed to set MAC address on port %d",
 612                                 nic->port_id);
 613 }
 614
 615 static void
 616 octeontx_dev_info(struct rte_eth_dev *dev,
 617                 struct rte_eth_dev_info *dev_info)
 618 {
 619         RTE_SET_USED(dev);
 620
 621         /* Autonegotiation may be disabled */
 622         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
 623         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
 624                         ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
 625                         ETH_LINK_SPEED_40G;
 626
 627         dev_info->driver_name = RTE_STR(rte_octeontx_pmd);
 628         dev_info->max_mac_addrs = 1;
 629         dev_info->max_rx_pktlen = PKI_MAX_PKTLEN;
 630         dev_info->max_rx_queues = 1;
 631         dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
 632         dev_info->min_rx_bufsize = 0;
 633         dev_info->pci_dev = NULL;
 634
 635         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 636                 .rx_free_thresh = 0,
 637                 .rx_drop_en = 0,
 638         };
 639
 640         dev_info->default_txconf = (struct rte_eth_txconf) {
 641                 .tx_free_thresh = 0,
 642                 .txq_flags =
 643                         ETH_TXQ_FLAGS_NOMULTSEGS |
 644                         ETH_TXQ_FLAGS_NOOFFLOADS |
 645                         ETH_TXQ_FLAGS_NOXSUMS,
 646         };
 647
 648         dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MT_LOCKFREE;
 649 }
 650
 651 static void
 652 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
 653 {
 654         ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
 655         ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
 656         ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
 657 }
 658
 659 static int
 660 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 661                                 uint16_t qidx)
 662 {
 663         struct octeontx_txq *txq;
 664         int res;
 665
 666         PMD_INIT_FUNC_TRACE();
 667
 668         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
 669                 return 0;
 670
 671         txq = dev->data->tx_queues[qidx];
 672
 673         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 674                                                 &txq->dq,
 675                                                 sizeof(octeontx_dq_t),
 676                                                 txq->queue_id,
 677                                                 octeontx_dq_info_getter);
 678         if (res < 0) {
 679                 res = -EFAULT;
 680                 goto close_port;
 681         }
 682
 683         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
 684         return res;
 685
 686 close_port:
 687         (void)octeontx_port_stop(nic);
 688         octeontx_pko_channel_stop(nic->base_ochan);
 689         octeontx_pko_channel_close(nic->base_ochan);
 690         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 691         return res;
 692 }
 693
 694 static int
 695 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
 696 {
 697         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 698
 699         PMD_INIT_FUNC_TRACE();
 700         qidx = qidx % PKO_VF_NUM_DQ;
 701         return octeontx_vf_start_tx_queue(dev, nic, qidx);
 702 }
 703
 704 static inline int
 705 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 706                           uint16_t qidx)
 707 {
 708         int ret = 0;
 709
 710         RTE_SET_USED(nic);
 711         PMD_INIT_FUNC_TRACE();
 712
 713         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
 714                 return 0;
 715
 716         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 717         return ret;
 718 }
 719
 720 static int
 721 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
 722 {
 723         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 724
 725         PMD_INIT_FUNC_TRACE();
 726         qidx = qidx % PKO_VF_NUM_DQ;
 727
 728         return octeontx_vf_stop_tx_queue(dev, nic, qidx);
 729 }
 730
 731 static void
 732 octeontx_dev_tx_queue_release(void *tx_queue)
 733 {
 734         struct octeontx_txq *txq = tx_queue;
 735         int res;
 736
 737         PMD_INIT_FUNC_TRACE();
 738
 739         if (txq) {
 740                 res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id);
 741                 if (res < 0)
 742                         octeontx_log_err("failed stop tx_queue(%d)\n",
 743                                    txq->queue_id);
 744
 745                 rte_free(txq);
 746         }
 747 }
 748
 749 static int
 750 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 751                             uint16_t nb_desc, unsigned int socket_id,
 752                             const struct rte_eth_txconf *tx_conf)
 753 {
 754         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 755         struct octeontx_txq *txq = NULL;
 756         uint16_t dq_num;
 757         int res = 0;
 758
 759         RTE_SET_USED(nb_desc);
 760         RTE_SET_USED(socket_id);
 761         RTE_SET_USED(tx_conf);
 762
 763         dq_num = (nic->port_id * PKO_VF_NUM_DQ) + qidx;
 764
 765         /* Socket id check */
 766         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 767                         socket_id != (unsigned int)nic->node)
 768                 PMD_TX_LOG(INFO, "socket_id expected %d, configured %d",
 769                                                 socket_id, nic->node);
 770
 771         /* Free memory prior to re-allocation if needed. */
 772         if (dev->data->tx_queues[qidx] != NULL) {
 773                 PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d",
 774                                 qidx);
 775                 octeontx_dev_tx_queue_release(dev->data->tx_queues[qidx]);
 776                 dev->data->tx_queues[qidx] = NULL;
 777         }
 778
 779         /* Allocating tx queue data structure */
 780         txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq),
 781                                  RTE_CACHE_LINE_SIZE, nic->node);
 782         if (txq == NULL) {
 783                 octeontx_log_err("failed to allocate txq=%d", qidx);
 784                 res = -ENOMEM;
 785                 goto err;
 786         }
 787
 788         txq->eth_dev = dev;
 789         txq->queue_id = dq_num;
 790         dev->data->tx_queues[qidx] = txq;
 791         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 792
 793         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 794                                                 &txq->dq,
 795                                                 sizeof(octeontx_dq_t),
 796                                                 txq->queue_id,
 797                                                 octeontx_dq_info_getter);
 798         if (res < 0) {
 799                 res = -EFAULT;
 800                 goto err;
 801         }
 802
 803         PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p",
 804                         qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va,
 805                         txq->dq.ioreg_va,
 806                         txq->dq.fc_status_va);
 807
 808         return res;
 809
 810 err:
 811         if (txq)
 812                 rte_free(txq);
 813
 814         return res;
 815 }
 816
 817 static int
 818 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 819                                 uint16_t nb_desc, unsigned int socket_id,
 820                                 const struct rte_eth_rxconf *rx_conf,
 821                                 struct rte_mempool *mb_pool)
 822 {
 823         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 824         struct rte_mempool_ops *mp_ops = NULL;
 825         struct octeontx_rxq *rxq = NULL;
 826         pki_pktbuf_cfg_t pktbuf_conf;
 827         pki_hash_cfg_t pki_hash;
 828         pki_qos_cfg_t pki_qos;
 829         uintptr_t pool;
 830         int ret, port;
 831         uint8_t gaura;
 832         unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx;
 833         unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx;
 834
 835         RTE_SET_USED(nb_desc);
 836
 837         memset(&pktbuf_conf, 0, sizeof(pktbuf_conf));
 838         memset(&pki_hash, 0, sizeof(pki_hash));
 839         memset(&pki_qos, 0, sizeof(pki_qos));
 840
 841         mp_ops = rte_mempool_get_ops(mb_pool->ops_index);
 842         if (strcmp(mp_ops->name, "octeontx_fpavf")) {
 843                 octeontx_log_err("failed to find octeontx_fpavf mempool");
 844                 return -ENOTSUP;
 845         }
 846
 847         /* Handle forbidden configurations */
 848         if (nic->pki.classifier_enable) {
 849                 octeontx_log_err("cannot setup queue %d. "
 850                                         "Classifier option unsupported", qidx);
 851                 return -EINVAL;
 852         }
 853
 854         port = nic->port_id;
 855
 856         /* Rx deferred start is not supported */
 857         if (rx_conf->rx_deferred_start) {
 858                 octeontx_log_err("rx deferred start not supported");
 859                 return -EINVAL;
 860         }
 861
 862         /* Verify queue index */
 863         if (qidx >= dev->data->nb_rx_queues) {
 864                 octeontx_log_err("QID %d not supporteded (0 - %d available)\n",
 865                                 qidx, (dev->data->nb_rx_queues - 1));
 866                 return -ENOTSUP;
 867         }
 868
 869         /* Socket id check */
 870         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 871                         socket_id != (unsigned int)nic->node)
 872                 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d",
 873                                                 socket_id, nic->node);
 874
 875         /* Allocating rx queue data structure */
 876         rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq),
 877                                  RTE_CACHE_LINE_SIZE, nic->node);
 878         if (rxq == NULL) {
 879                 octeontx_log_err("failed to allocate rxq=%d", qidx);
 880                 return -ENOMEM;
 881         }
 882
 883         if (!nic->pki.initialized) {
 884                 pktbuf_conf.port_type = 0;
 885                 pki_hash.port_type = 0;
 886                 pki_qos.port_type = 0;
 887
 888                 pktbuf_conf.mmask.f_wqe_skip = 1;
 889                 pktbuf_conf.mmask.f_first_skip = 1;
 890                 pktbuf_conf.mmask.f_later_skip = 1;
 891                 pktbuf_conf.mmask.f_mbuff_size = 1;
 892                 pktbuf_conf.mmask.f_cache_mode = 1;
 893
 894                 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
 895                 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP;
 896                 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
 897                 pktbuf_conf.mbuff_size = (mb_pool->elt_size -
 898                                         RTE_PKTMBUF_HEADROOM -
 899                                         sizeof(struct rte_mbuf));
 900
 901                 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
 902
 903                 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
 904                 if (ret != 0) {
 905                         octeontx_log_err("fail to configure pktbuf for port %d",
 906                                         port);
 907                         rte_free(rxq);
 908                         return ret;
 909                 }
 910                 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
 911                                 "\tmbuf_size:\t0x%0x\n"
 912                                 "\twqe_skip:\t0x%0x\n"
 913                                 "\tfirst_skip:\t0x%0x\n"
 914                                 "\tlater_skip:\t0x%0x\n"
 915                                 "\tcache_mode:\t%s\n",
 916                                 port,
 917                                 pktbuf_conf.mbuff_size,
 918                                 pktbuf_conf.wqe_skip,
 919                                 pktbuf_conf.first_skip,
 920                                 pktbuf_conf.later_skip,
 921                                 (pktbuf_conf.cache_mode ==
 922                                                 PKI_OPC_MODE_STT) ?
 923                                 "STT" :
 924                                 (pktbuf_conf.cache_mode ==
 925                                                 PKI_OPC_MODE_STF) ?
 926                                 "STF" :
 927                                 (pktbuf_conf.cache_mode ==
 928                                                 PKI_OPC_MODE_STF1_STT) ?
 929                                 "STF1_STT" : "STF2_STT");
 930
 931                 if (nic->pki.hash_enable) {
 932                         pki_hash.tag_dlc = 1;
 933                         pki_hash.tag_slc = 1;
 934                         pki_hash.tag_dlf = 1;
 935                         pki_hash.tag_slf = 1;
 936                         pki_hash.tag_prt = 1;
 937                         octeontx_pki_port_hash_config(port, &pki_hash);
 938                 }
 939
 940                 pool = (uintptr_t)mb_pool->pool_id;
 941
 942                 /* Get the gpool Id */
 943                 gaura = octeontx_fpa_bufpool_gpool(pool);
 944
 945                 pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
 946                 pki_qos.num_entry = 1;
 947                 pki_qos.drop_policy = 0;
 948                 pki_qos.tag_type = 0L;
 949                 pki_qos.qos_entry[0].port_add = 0;
 950                 pki_qos.qos_entry[0].gaura = gaura;
 951                 pki_qos.qos_entry[0].ggrp_ok = ev_queues;
 952                 pki_qos.qos_entry[0].ggrp_bad = ev_queues;
 953                 pki_qos.qos_entry[0].grptag_bad = 0;
 954                 pki_qos.qos_entry[0].grptag_ok = 0;
 955
 956                 ret = octeontx_pki_port_create_qos(port, &pki_qos);
 957                 if (ret < 0) {
 958                         octeontx_log_err("failed to create QOS port=%d, q=%d",
 959                                         port, qidx);
 960                         rte_free(rxq);
 961                         return ret;
 962                 }
 963                 nic->pki.initialized = true;
 964         }
 965
 966         rxq->port_id = nic->port_id;
 967         rxq->eth_dev = dev;
 968         rxq->queue_id = qidx;
 969         rxq->evdev = nic->evdev;
 970         rxq->ev_queues = ev_queues;
 971         rxq->ev_ports = ev_ports;
 972
 973         dev->data->rx_queues[qidx] = rxq;
 974         dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 975         return 0;
 976 }
 977
 978 static void
 979 octeontx_dev_rx_queue_release(void *rxq)
 980 {
 981         rte_free(rxq);
 982 }
 983
 984 static const uint32_t *
 985 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 986 {
 987         static const uint32_t ptypes[] = {
 988                 RTE_PTYPE_L3_IPV4,
 989                 RTE_PTYPE_L3_IPV4_EXT,
 990                 RTE_PTYPE_L3_IPV6,
 991                 RTE_PTYPE_L3_IPV6_EXT,
 992                 RTE_PTYPE_L4_TCP,
 993                 RTE_PTYPE_L4_UDP,
 994                 RTE_PTYPE_L4_FRAG,
 995                 RTE_PTYPE_UNKNOWN
 996         };
 997
 998         if (dev->rx_pkt_burst == octeontx_recv_pkts)
 999                 return ptypes;
1000
1001         return NULL;
1002 }
1003
1004 /* Initialize and register driver with DPDK Application */
1005 static const struct eth_dev_ops octeontx_dev_ops = {
1006         .dev_configure           = octeontx_dev_configure,
1007         .dev_infos_get           = octeontx_dev_info,
1008         .dev_close               = octeontx_dev_close,
1009         .dev_start               = octeontx_dev_start,
1010         .dev_stop                = octeontx_dev_stop,
1011         .promiscuous_enable      = octeontx_dev_promisc_enable,
1012         .promiscuous_disable     = octeontx_dev_promisc_disable,
1013         .link_update             = octeontx_dev_link_update,
1014         .stats_get               = octeontx_dev_stats_get,
1015         .stats_reset             = octeontx_dev_stats_reset,
1016         .mac_addr_set            = octeontx_dev_default_mac_addr_set,
1017         .tx_queue_start          = octeontx_dev_tx_queue_start,
1018         .tx_queue_stop           = octeontx_dev_tx_queue_stop,
1019         .tx_queue_setup          = octeontx_dev_tx_queue_setup,
1020         .tx_queue_release        = octeontx_dev_tx_queue_release,
1021         .rx_queue_setup          = octeontx_dev_rx_queue_setup,
1022         .rx_queue_release        = octeontx_dev_rx_queue_release,
1023         .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
1024 };
1025
1026 /* Create Ethdev interface per BGX LMAC ports */
1027 static int
1028 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
1029                         int socket_id)
1030 {
1031         int res;
1032         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1033         struct octeontx_nic *nic = NULL;
1034         struct rte_eth_dev *eth_dev = NULL;
1035         struct rte_eth_dev_data *data = NULL;
1036         const char *name = rte_vdev_device_name(dev);
1037
1038         PMD_INIT_FUNC_TRACE();
1039
1040         sprintf(octtx_name, "%s_%d", name, port);
1041         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1042                 eth_dev = rte_eth_dev_attach_secondary(octtx_name);
1043                 if (eth_dev == NULL)
1044                         return -ENODEV;
1045
1046                 eth_dev->tx_pkt_burst = octeontx_xmit_pkts;
1047                 eth_dev->rx_pkt_burst = octeontx_recv_pkts;
1048                 return 0;
1049         }
1050
1051         data = rte_zmalloc_socket(octtx_name, sizeof(*data), 0, socket_id);
1052         if (data == NULL) {
1053                 octeontx_log_err("failed to allocate devdata");
1054                 res = -ENOMEM;
1055                 goto err;
1056         }
1057
1058         nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
1059         if (nic == NULL) {
1060                 octeontx_log_err("failed to allocate nic structure");
1061                 res = -ENOMEM;
1062                 goto err;
1063         }
1064
1065         nic->port_id = port;
1066         nic->evdev = evdev;
1067
1068         res = octeontx_port_open(nic);
1069         if (res < 0)
1070                 goto err;
1071
1072         /* Rx side port configuration */
1073         res = octeontx_pki_port_open(port);
1074         if (res != 0) {
1075                 octeontx_log_err("failed to open PKI port %d", port);
1076                 res = -ENODEV;
1077                 goto err;
1078         }
1079
1080         /* Reserve an ethdev entry */
1081         eth_dev = rte_eth_dev_allocate(octtx_name);
1082         if (eth_dev == NULL) {
1083                 octeontx_log_err("failed to allocate rte_eth_dev");
1084                 res = -ENOMEM;
1085                 goto err;
1086         }
1087
1088         eth_dev->device = &dev->device;
1089         eth_dev->intr_handle = NULL;
1090         eth_dev->data->kdrv = RTE_KDRV_NONE;
1091         eth_dev->data->numa_node = dev->device.numa_node;
1092
1093         rte_memcpy(data, (eth_dev)->data, sizeof(*data));
1094         data->dev_private = nic;
1095
1096         data->port_id = eth_dev->data->port_id;
1097         snprintf(data->name, sizeof(data->name), "%s", eth_dev->data->name);
1098
1099         nic->ev_queues = 1;
1100         nic->ev_ports = 1;
1101
1102         data->dev_link.link_status = ETH_LINK_DOWN;
1103         data->dev_started = 0;
1104         data->promiscuous = 0;
1105         data->all_multicast = 0;
1106         data->scattered_rx = 0;
1107
1108         data->mac_addrs = rte_zmalloc_socket(octtx_name, ETHER_ADDR_LEN, 0,
1109                                                         socket_id);
1110         if (data->mac_addrs == NULL) {
1111                 octeontx_log_err("failed to allocate memory for mac_addrs");
1112                 res = -ENOMEM;
1113                 goto err;
1114         }
1115
1116         eth_dev->data = data;
1117         eth_dev->dev_ops = &octeontx_dev_ops;
1118
1119         /* Finally save ethdev pointer to the NIC structure */
1120         nic->dev = eth_dev;
1121
1122         if (nic->port_id != data->port_id) {
1123                 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
1124                                 data->port_id, nic->port_id);
1125                 res = -EINVAL;
1126                 goto err;
1127         }
1128
1129         /* Update port_id mac to eth_dev */
1130         memcpy(data->mac_addrs, nic->mac_addr, ETHER_ADDR_LEN);
1131
1132         PMD_INIT_LOG(DEBUG, "ethdev info: ");
1133         PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
1134                                 nic->port_id, nic->port_ena,
1135                                 nic->base_ochan, nic->num_ochans,
1136                                 nic->num_tx_queues);
1137         PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu);
1138
1139         rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7]
1140                 [(nic->base_ochan >> 4) & 0xF] = data->port_id;
1141
1142         return data->port_id;
1143
1144 err:
1145         if (nic)
1146                 octeontx_port_close(nic);
1147
1148         if (eth_dev != NULL) {
1149                 rte_free(eth_dev->data->mac_addrs);
1150                 rte_free(data);
1151                 rte_free(nic);
1152                 rte_eth_dev_release_port(eth_dev);
1153         }
1154
1155         return res;
1156 }
1157
1158 /* Un initialize octeontx device */
1159 static int
1160 octeontx_remove(struct rte_vdev_device *dev)
1161 {
1162         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1163         struct rte_eth_dev *eth_dev = NULL;
1164         struct octeontx_nic *nic = NULL;
1165         int i;
1166
1167         if (dev == NULL)
1168                 return -EINVAL;
1169
1170         for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
1171                 sprintf(octtx_name, "eth_octeontx_%d", i);
1172
1173                 /* reserve an ethdev entry */
1174                 eth_dev = rte_eth_dev_allocated(octtx_name);
1175                 if (eth_dev == NULL)
1176                         return -ENODEV;
1177
1178                 nic = octeontx_pmd_priv(eth_dev);
1179                 rte_event_dev_stop(nic->evdev);
1180                 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
1181
1182                 rte_free(eth_dev->data->mac_addrs);
1183                 rte_free(eth_dev->data->dev_private);
1184                 rte_free(eth_dev->data);
1185                 rte_eth_dev_release_port(eth_dev);
1186                 rte_event_dev_close(nic->evdev);
1187         }
1188
1189         /* Free FC resource */
1190         octeontx_pko_fc_free();
1191
1192         return 0;
1193 }
1194
1195 /* Initialize octeontx device */
1196 static int
1197 octeontx_probe(struct rte_vdev_device *dev)
1198 {
1199         const char *dev_name;
1200         static int probe_once;
1201         uint8_t socket_id, qlist;
1202         int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
1203         struct rte_event_dev_config dev_conf;
1204         const char *eventdev_name = "event_octeontx";
1205         struct rte_event_dev_info info;
1206
1207         struct octeontx_vdev_init_params init_params = {
1208                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
1209         };
1210
1211         dev_name = rte_vdev_device_name(dev);
1212         res = octeontx_parse_vdev_init_params(&init_params, dev);
1213         if (res < 0)
1214                 return -EINVAL;
1215
1216         if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
1217                 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
1218                                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
1219                 return -ENOTSUP;
1220         }
1221
1222         PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
1223
1224         socket_id = rte_socket_id();
1225
1226         tx_vfcnt = octeontx_pko_vf_count();
1227
1228         if (tx_vfcnt < init_params.nr_port) {
1229                 octeontx_log_err("not enough PKO (%d) for port number (%d)",
1230                                 tx_vfcnt, init_params.nr_port);
1231                 return -EINVAL;
1232         }
1233         evdev = rte_event_dev_get_dev_id(eventdev_name);
1234         if (evdev < 0) {
1235                 octeontx_log_err("eventdev %s not found", eventdev_name);
1236                 return -ENODEV;
1237         }
1238
1239         res = rte_event_dev_info_get(evdev, &info);
1240         if (res < 0) {
1241                 octeontx_log_err("failed to eventdev info %d", res);
1242                 return -EINVAL;
1243         }
1244
1245         PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
1246                         info.max_event_queues, info.max_event_ports);
1247
1248         if (octeontx_pko_init_fc(tx_vfcnt))
1249                 return -ENOMEM;
1250
1251         devconf_set_default_sane_values(&dev_conf, &info);
1252         res = rte_event_dev_configure(evdev, &dev_conf);
1253         if (res < 0)
1254                 goto parse_error;
1255
1256         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
1257                         (uint32_t *)&pnum);
1258         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
1259                         (uint32_t *)&qnum);
1260         if (pnum < qnum) {
1261                 octeontx_log_err("too few event ports (%d) for event_q(%d)",
1262                                 pnum, qnum);
1263                 res = -EINVAL;
1264                 goto parse_error;
1265         }
1266         if (pnum > qnum) {
1267                 /*
1268                  * We don't poll on event ports
1269                  * that do not have any queues assigned.
1270                  */
1271                 pnum = qnum;
1272                 PMD_INIT_LOG(INFO,
1273                         "reducing number of active event ports to %d", pnum);
1274         }
1275         for (i = 0; i < qnum; i++) {
1276                 res = rte_event_queue_setup(evdev, i, NULL);
1277                 if (res < 0) {
1278                         octeontx_log_err("failed to setup event_q(%d): res %d",
1279                                         i, res);
1280                         goto parse_error;
1281                 }
1282         }
1283
1284         for (i = 0; i < pnum; i++) {
1285                 res = rte_event_port_setup(evdev, i, NULL);
1286                 if (res < 0) {
1287                         res = -ENODEV;
1288                         octeontx_log_err("failed to setup ev port(%d) res=%d",
1289                                                 i, res);
1290                         goto parse_error;
1291                 }
1292                 /* Link one queue to one event port */
1293                 qlist = i;
1294                 res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
1295                 if (res < 0) {
1296                         res = -ENODEV;
1297                         octeontx_log_err("failed to link port (%d): res=%d",
1298                                         i, res);
1299                         goto parse_error;
1300                 }
1301         }
1302
1303         /* Create ethdev interface */
1304         for (i = 0; i < init_params.nr_port; i++) {
1305                 port_id = octeontx_create(dev, i, evdev, socket_id);
1306                 if (port_id < 0) {
1307                         octeontx_log_err("failed to create device %s",
1308                                         dev_name);
1309                         res = -ENODEV;
1310                         goto parse_error;
1311                 }
1312
1313                 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
1314                                         port_id);
1315         }
1316
1317         if (probe_once) {
1318                 octeontx_log_err("interface %s not supported", dev_name);
1319                 octeontx_remove(dev);
1320                 res = -ENOTSUP;
1321                 goto parse_error;
1322         }
1323         probe_once = 1;
1324
1325         return 0;
1326
1327 parse_error:
1328         octeontx_pko_fc_free();
1329         return res;
1330 }
1331
1332 static struct rte_vdev_driver octeontx_pmd_drv = {
1333         .probe = octeontx_probe,
1334         .remove = octeontx_remove,
1335 };
1336
1337 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
1338 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
1339 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");