drivers/net/octeontx/octeontx_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Cavium, Inc
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdarg.h>
   7 #include <stdbool.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11
  12 #include <rte_alarm.h>
  13 #include <rte_branch_prediction.h>
  14 #include <rte_debug.h>
  15 #include <rte_devargs.h>
  16 #include <rte_dev.h>
  17 #include <rte_kvargs.h>
  18 #include <rte_malloc.h>
  19 #include <rte_mbuf_pool_ops.h>
  20 #include <rte_prefetch.h>
  21 #include <rte_bus_vdev.h>
  22
  23 #include "octeontx_ethdev.h"
  24 #include "octeontx_rxtx.h"
  25 #include "octeontx_logs.h"
  26
  27 struct evdev_priv_data {
  28         OFFLOAD_FLAGS; /*Sequence should not be changed */
  29 } __rte_cache_aligned;
  30
  31 struct octeontx_vdev_init_params {
  32         uint8_t nr_port;
  33 };
  34
  35 uint16_t
  36 rte_octeontx_pchan_map[OCTEONTX_MAX_BGX_PORTS][OCTEONTX_MAX_LMAC_PER_BGX];
  37
  38 enum octeontx_link_speed {
  39         OCTEONTX_LINK_SPEED_SGMII,
  40         OCTEONTX_LINK_SPEED_XAUI,
  41         OCTEONTX_LINK_SPEED_RXAUI,
  42         OCTEONTX_LINK_SPEED_10G_R,
  43         OCTEONTX_LINK_SPEED_40G_R,
  44         OCTEONTX_LINK_SPEED_RESERVE1,
  45         OCTEONTX_LINK_SPEED_QSGMII,
  46         OCTEONTX_LINK_SPEED_RESERVE2
  47 };
  48
  49 int otx_net_logtype_mbox;
  50 int otx_net_logtype_init;
  51 int otx_net_logtype_driver;
  52
  53 RTE_INIT(otx_net_init_log)
  54 {
  55         otx_net_logtype_mbox = rte_log_register("pmd.net.octeontx.mbox");
  56         if (otx_net_logtype_mbox >= 0)
  57                 rte_log_set_level(otx_net_logtype_mbox, RTE_LOG_NOTICE);
  58
  59         otx_net_logtype_init = rte_log_register("pmd.net.octeontx.init");
  60         if (otx_net_logtype_init >= 0)
  61                 rte_log_set_level(otx_net_logtype_init, RTE_LOG_NOTICE);
  62
  63         otx_net_logtype_driver = rte_log_register("pmd.net.octeontx.driver");
  64         if (otx_net_logtype_driver >= 0)
  65                 rte_log_set_level(otx_net_logtype_driver, RTE_LOG_NOTICE);
  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         memset(&bgx_port_conf, 0x0, sizeof(bgx_port_conf));
 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->bgx_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],
 150                 RTE_ETHER_ADDR_LEN);
 151
 152         octeontx_log_dbg("port opened %d", nic->port_id);
 153         return res;
 154 }
 155
 156 static void
 157 octeontx_port_close(struct octeontx_nic *nic)
 158 {
 159         PMD_INIT_FUNC_TRACE();
 160
 161         octeontx_bgx_port_close(nic->port_id);
 162         octeontx_log_dbg("port closed %d", nic->port_id);
 163 }
 164
 165 static int
 166 octeontx_port_start(struct octeontx_nic *nic)
 167 {
 168         PMD_INIT_FUNC_TRACE();
 169
 170         return octeontx_bgx_port_start(nic->port_id);
 171 }
 172
 173 static int
 174 octeontx_port_stop(struct octeontx_nic *nic)
 175 {
 176         PMD_INIT_FUNC_TRACE();
 177
 178         return octeontx_bgx_port_stop(nic->port_id);
 179 }
 180
 181 static int
 182 octeontx_port_promisc_set(struct octeontx_nic *nic, int en)
 183 {
 184         struct rte_eth_dev *dev;
 185         int res;
 186
 187         res = 0;
 188         PMD_INIT_FUNC_TRACE();
 189         dev = nic->dev;
 190
 191         res = octeontx_bgx_port_promisc_set(nic->port_id, en);
 192         if (res < 0) {
 193                 octeontx_log_err("failed to set promiscuous mode %d",
 194                                 nic->port_id);
 195                 return res;
 196         }
 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         return 0;
 205 }
 206
 207 static int
 208 octeontx_port_stats(struct octeontx_nic *nic, struct rte_eth_stats *stats)
 209 {
 210         octeontx_mbox_bgx_port_stats_t bgx_stats;
 211         int res;
 212
 213         PMD_INIT_FUNC_TRACE();
 214
 215         res = octeontx_bgx_port_stats(nic->port_id, &bgx_stats);
 216         if (res < 0) {
 217                 octeontx_log_err("failed to get port stats %d", nic->port_id);
 218                 return res;
 219         }
 220
 221         stats->ipackets = bgx_stats.rx_packets;
 222         stats->ibytes = bgx_stats.rx_bytes;
 223         stats->imissed = bgx_stats.rx_dropped;
 224         stats->ierrors = bgx_stats.rx_errors;
 225         stats->opackets = bgx_stats.tx_packets;
 226         stats->obytes = bgx_stats.tx_bytes;
 227         stats->oerrors = bgx_stats.tx_errors;
 228
 229         octeontx_log_dbg("port%d stats inpkts=%" PRIx64 " outpkts=%" PRIx64 "",
 230                         nic->port_id, stats->ipackets, stats->opackets);
 231
 232         return 0;
 233 }
 234
 235 static int
 236 octeontx_port_stats_clr(struct octeontx_nic *nic)
 237 {
 238         PMD_INIT_FUNC_TRACE();
 239
 240         return octeontx_bgx_port_stats_clr(nic->port_id);
 241 }
 242
 243 static inline void
 244 devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf,
 245                                 struct rte_event_dev_info *info)
 246 {
 247         memset(dev_conf, 0, sizeof(struct rte_event_dev_config));
 248         dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns;
 249
 250         dev_conf->nb_event_ports = info->max_event_ports;
 251         dev_conf->nb_event_queues = info->max_event_queues;
 252
 253         dev_conf->nb_event_queue_flows = info->max_event_queue_flows;
 254         dev_conf->nb_event_port_dequeue_depth =
 255                         info->max_event_port_dequeue_depth;
 256         dev_conf->nb_event_port_enqueue_depth =
 257                         info->max_event_port_enqueue_depth;
 258         dev_conf->nb_event_port_enqueue_depth =
 259                         info->max_event_port_enqueue_depth;
 260         dev_conf->nb_events_limit =
 261                         info->max_num_events;
 262 }
 263
 264 static uint16_t
 265 octeontx_tx_offload_flags(struct rte_eth_dev *eth_dev)
 266 {
 267         struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
 268         uint16_t flags = 0;
 269
 270         if (!(nic->tx_offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE))
 271                 flags |= OCCTX_TX_OFFLOAD_MBUF_NOFF_F;
 272
 273         if (nic->tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS)
 274                 flags |= OCCTX_TX_MULTI_SEG_F;
 275
 276         return flags;
 277 }
 278
 279 static uint16_t
 280 octeontx_rx_offload_flags(struct rte_eth_dev *eth_dev)
 281 {
 282         struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
 283         struct rte_eth_dev_data *data = eth_dev->data;
 284         struct rte_eth_conf *conf = &data->dev_conf;
 285         struct rte_eth_rxmode *rxmode = &conf->rxmode;
 286         uint16_t flags = 0;
 287
 288         if (rxmode->mq_mode == ETH_MQ_RX_RSS)
 289                 flags |= OCCTX_RX_OFFLOAD_RSS_F;
 290
 291         if (nic->rx_offloads & DEV_RX_OFFLOAD_SCATTER) {
 292                 flags |= OCCTX_RX_MULTI_SEG_F;
 293                 eth_dev->data->scattered_rx = 1;
 294                 /* If scatter mode is enabled, TX should also be in multi
 295                  * seg mode, else memory leak will occur
 296                  */
 297                 nic->tx_offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
 298         }
 299
 300         return flags;
 301 }
 302
 303 static int
 304 octeontx_dev_configure(struct rte_eth_dev *dev)
 305 {
 306         struct rte_eth_dev_data *data = dev->data;
 307         struct rte_eth_conf *conf = &data->dev_conf;
 308         struct rte_eth_rxmode *rxmode = &conf->rxmode;
 309         struct rte_eth_txmode *txmode = &conf->txmode;
 310         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 311         int ret;
 312
 313         PMD_INIT_FUNC_TRACE();
 314         RTE_SET_USED(conf);
 315
 316         if (!rte_eal_has_hugepages()) {
 317                 octeontx_log_err("huge page is not configured");
 318                 return -EINVAL;
 319         }
 320
 321         if (txmode->mq_mode) {
 322                 octeontx_log_err("tx mq_mode DCB or VMDq not supported");
 323                 return -EINVAL;
 324         }
 325
 326         if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
 327                 rxmode->mq_mode != ETH_MQ_RX_RSS) {
 328                 octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode);
 329                 return -EINVAL;
 330         }
 331
 332         if (!(txmode->offloads & DEV_TX_OFFLOAD_MT_LOCKFREE)) {
 333                 PMD_INIT_LOG(NOTICE, "cant disable lockfree tx");
 334                 txmode->offloads |= DEV_TX_OFFLOAD_MT_LOCKFREE;
 335         }
 336
 337         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
 338                 octeontx_log_err("setting link speed/duplex not supported");
 339                 return -EINVAL;
 340         }
 341
 342         if (conf->dcb_capability_en) {
 343                 octeontx_log_err("DCB enable not supported");
 344                 return -EINVAL;
 345         }
 346
 347         if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
 348                 octeontx_log_err("flow director not supported");
 349                 return -EINVAL;
 350         }
 351
 352         nic->num_tx_queues = dev->data->nb_tx_queues;
 353
 354         ret = octeontx_pko_channel_open(nic->pko_vfid * PKO_VF_NUM_DQ,
 355                                         nic->num_tx_queues,
 356                                         nic->base_ochan);
 357         if (ret) {
 358                 octeontx_log_err("failed to open channel %d no-of-txq %d",
 359                            nic->base_ochan, nic->num_tx_queues);
 360                 return -EFAULT;
 361         }
 362
 363         nic->pki.classifier_enable = false;
 364         nic->pki.hash_enable = true;
 365         nic->pki.initialized = false;
 366
 367         nic->rx_offloads |= rxmode->offloads;
 368         nic->tx_offloads |= txmode->offloads;
 369         nic->rx_offload_flags |= octeontx_rx_offload_flags(dev);
 370         nic->tx_offload_flags |= octeontx_tx_offload_flags(dev);
 371
 372         return 0;
 373 }
 374
 375 static void
 376 octeontx_dev_close(struct rte_eth_dev *dev)
 377 {
 378         struct octeontx_txq *txq = NULL;
 379         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 380         unsigned int i;
 381         int ret;
 382
 383         PMD_INIT_FUNC_TRACE();
 384
 385         rte_event_dev_close(nic->evdev);
 386
 387         ret = octeontx_pko_channel_close(nic->base_ochan);
 388         if (ret < 0) {
 389                 octeontx_log_err("failed to close channel %d VF%d %d %d",
 390                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 391                              ret);
 392         }
 393         /* Free txq resources for this port */
 394         for (i = 0; i < nic->num_tx_queues; i++) {
 395                 txq = dev->data->tx_queues[i];
 396                 if (!txq)
 397                         continue;
 398
 399                 rte_free(txq);
 400         }
 401
 402         /* Free MAC address table */
 403         rte_free(dev->data->mac_addrs);
 404         dev->data->mac_addrs = NULL;
 405
 406         dev->tx_pkt_burst = NULL;
 407         dev->rx_pkt_burst = NULL;
 408 }
 409
 410 static int
 411 octeontx_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 412 {
 413         uint32_t buffsz, frame_size = mtu + OCCTX_L2_OVERHEAD;
 414         struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
 415         struct rte_eth_dev_data *data = eth_dev->data;
 416         int rc = 0;
 417
 418         /* Check if MTU is within the allowed range */
 419         if (frame_size < OCCTX_MIN_FRS || frame_size > OCCTX_MAX_FRS)
 420                 return -EINVAL;
 421
 422         buffsz = data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
 423
 424         /* Refuse MTU that requires the support of scattered packets
 425          * when this feature has not been enabled before.
 426          */
 427         if (data->dev_started && frame_size > buffsz &&
 428             !(nic->rx_offloads & DEV_RX_OFFLOAD_SCATTER)) {
 429                 octeontx_log_err("Scatter mode is disabled");
 430                 return -EINVAL;
 431         }
 432
 433         /* Check <seg size> * <max_seg>  >= max_frame */
 434         if ((nic->rx_offloads & DEV_RX_OFFLOAD_SCATTER) &&
 435             (frame_size > buffsz * OCCTX_RX_NB_SEG_MAX))
 436                 return -EINVAL;
 437
 438         rc = octeontx_pko_send_mtu(nic->port_id, frame_size);
 439         if (rc)
 440                 return rc;
 441
 442         rc = octeontx_bgx_port_mtu_set(nic->port_id, frame_size);
 443         if (rc)
 444                 return rc;
 445
 446         if (frame_size > RTE_ETHER_MAX_LEN)
 447                 nic->rx_offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 448         else
 449                 nic->rx_offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 450
 451         /* Update max_rx_pkt_len */
 452         data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 453         octeontx_log_info("Received pkt beyond  maxlen %d will be dropped",
 454                           frame_size);
 455
 456         return rc;
 457 }
 458
 459 static int
 460 octeontx_recheck_rx_offloads(struct octeontx_rxq *rxq)
 461 {
 462         struct rte_eth_dev *eth_dev = rxq->eth_dev;
 463         struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
 464         struct rte_eth_dev_data *data = eth_dev->data;
 465         struct rte_pktmbuf_pool_private *mbp_priv;
 466         struct evdev_priv_data *evdev_priv;
 467         struct rte_eventdev *dev;
 468         uint32_t buffsz;
 469
 470         /* Get rx buffer size */
 471         mbp_priv = rte_mempool_get_priv(rxq->pool);
 472         buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
 473
 474         /* Setup scatter mode if needed by jumbo */
 475         if (data->dev_conf.rxmode.max_rx_pkt_len > buffsz) {
 476                 nic->rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
 477                 nic->rx_offload_flags |= octeontx_rx_offload_flags(eth_dev);
 478                 nic->tx_offload_flags |= octeontx_tx_offload_flags(eth_dev);
 479         }
 480
 481         /* Sharing offload flags via eventdev priv region */
 482         dev = &rte_eventdevs[rxq->evdev];
 483         evdev_priv = dev->data->dev_private;
 484         evdev_priv->rx_offload_flags = nic->rx_offload_flags;
 485         evdev_priv->tx_offload_flags = nic->tx_offload_flags;
 486
 487         /* Setup MTU based on max_rx_pkt_len */
 488         nic->mtu = data->dev_conf.rxmode.max_rx_pkt_len - OCCTX_L2_OVERHEAD;
 489
 490         return 0;
 491 }
 492
 493 static int
 494 octeontx_dev_start(struct rte_eth_dev *dev)
 495 {
 496         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 497         struct octeontx_rxq *rxq;
 498         int ret = 0, i;
 499
 500         PMD_INIT_FUNC_TRACE();
 501         /* Rechecking if any new offload set to update
 502          * rx/tx burst function pointer accordingly.
 503          */
 504         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 505                 rxq = dev->data->rx_queues[i];
 506                 octeontx_recheck_rx_offloads(rxq);
 507         }
 508
 509         /* Setting up the mtu based on max_rx_pkt_len */
 510         ret = octeontx_dev_mtu_set(dev, nic->mtu);
 511         if (ret) {
 512                 octeontx_log_err("Failed to set default MTU size %d", ret);
 513                 goto error;
 514         }
 515
 516         /*
 517          * Tx start
 518          */
 519         octeontx_set_tx_function(dev);
 520         ret = octeontx_pko_channel_start(nic->base_ochan);
 521         if (ret < 0) {
 522                 octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
 523                            nic->port_id, nic->num_tx_queues, nic->base_ochan,
 524                            ret);
 525                 goto error;
 526         }
 527
 528         /*
 529          * Rx start
 530          */
 531         dev->rx_pkt_burst = octeontx_recv_pkts;
 532         ret = octeontx_pki_port_start(nic->port_id);
 533         if (ret < 0) {
 534                 octeontx_log_err("fail to start Rx on port %d", nic->port_id);
 535                 goto channel_stop_error;
 536         }
 537
 538         /*
 539          * Start port
 540          */
 541         ret = octeontx_port_start(nic);
 542         if (ret < 0) {
 543                 octeontx_log_err("failed start port %d", ret);
 544                 goto pki_port_stop_error;
 545         }
 546
 547         PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
 548                         nic->base_ochan, nic->num_tx_queues, nic->port_id);
 549
 550         ret = rte_event_dev_start(nic->evdev);
 551         if (ret < 0) {
 552                 octeontx_log_err("failed to start evdev: ret (%d)", ret);
 553                 goto pki_port_stop_error;
 554         }
 555
 556         /* Success */
 557         return ret;
 558
 559 pki_port_stop_error:
 560         octeontx_pki_port_stop(nic->port_id);
 561 channel_stop_error:
 562         octeontx_pko_channel_stop(nic->base_ochan);
 563 error:
 564         return ret;
 565 }
 566
 567 static void
 568 octeontx_dev_stop(struct rte_eth_dev *dev)
 569 {
 570         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 571         int ret;
 572
 573         PMD_INIT_FUNC_TRACE();
 574
 575         rte_event_dev_stop(nic->evdev);
 576
 577         ret = octeontx_port_stop(nic);
 578         if (ret < 0) {
 579                 octeontx_log_err("failed to req stop port %d res=%d",
 580                                         nic->port_id, ret);
 581                 return;
 582         }
 583
 584         ret = octeontx_pki_port_stop(nic->port_id);
 585         if (ret < 0) {
 586                 octeontx_log_err("failed to stop pki port %d res=%d",
 587                                         nic->port_id, ret);
 588                 return;
 589         }
 590
 591         ret = octeontx_pko_channel_stop(nic->base_ochan);
 592         if (ret < 0) {
 593                 octeontx_log_err("failed to stop channel %d VF%d %d %d",
 594                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 595                              ret);
 596                 return;
 597         }
 598 }
 599
 600 static int
 601 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
 602 {
 603         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 604
 605         PMD_INIT_FUNC_TRACE();
 606         return octeontx_port_promisc_set(nic, 1);
 607 }
 608
 609 static int
 610 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
 611 {
 612         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 613
 614         PMD_INIT_FUNC_TRACE();
 615         return octeontx_port_promisc_set(nic, 0);
 616 }
 617
 618 static int
 619 octeontx_port_link_status(struct octeontx_nic *nic)
 620 {
 621         int res;
 622
 623         PMD_INIT_FUNC_TRACE();
 624         res = octeontx_bgx_port_link_status(nic->port_id);
 625         if (res < 0) {
 626                 octeontx_log_err("failed to get port %d link status",
 627                                 nic->port_id);
 628                 return res;
 629         }
 630
 631         nic->link_up = (uint8_t)res;
 632         octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
 633
 634         return res;
 635 }
 636
 637 /*
 638  * Return 0 means link status changed, -1 means not changed
 639  */
 640 static int
 641 octeontx_dev_link_update(struct rte_eth_dev *dev,
 642                          int wait_to_complete __rte_unused)
 643 {
 644         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 645         struct rte_eth_link link;
 646         int res;
 647
 648         PMD_INIT_FUNC_TRACE();
 649
 650         res = octeontx_port_link_status(nic);
 651         if (res < 0) {
 652                 octeontx_log_err("failed to request link status %d", res);
 653                 return res;
 654         }
 655
 656         link.link_status = nic->link_up;
 657
 658         switch (nic->speed) {
 659         case OCTEONTX_LINK_SPEED_SGMII:
 660                 link.link_speed = ETH_SPEED_NUM_1G;
 661                 break;
 662
 663         case OCTEONTX_LINK_SPEED_XAUI:
 664                 link.link_speed = ETH_SPEED_NUM_10G;
 665                 break;
 666
 667         case OCTEONTX_LINK_SPEED_RXAUI:
 668         case OCTEONTX_LINK_SPEED_10G_R:
 669                 link.link_speed = ETH_SPEED_NUM_10G;
 670                 break;
 671         case OCTEONTX_LINK_SPEED_QSGMII:
 672                 link.link_speed = ETH_SPEED_NUM_5G;
 673                 break;
 674         case OCTEONTX_LINK_SPEED_40G_R:
 675                 link.link_speed = ETH_SPEED_NUM_40G;
 676                 break;
 677
 678         case OCTEONTX_LINK_SPEED_RESERVE1:
 679         case OCTEONTX_LINK_SPEED_RESERVE2:
 680         default:
 681                 link.link_speed = ETH_SPEED_NUM_NONE;
 682                 octeontx_log_err("incorrect link speed %d", nic->speed);
 683                 break;
 684         }
 685
 686         link.link_duplex = ETH_LINK_FULL_DUPLEX;
 687         link.link_autoneg = ETH_LINK_AUTONEG;
 688
 689         return rte_eth_linkstatus_set(dev, &link);
 690 }
 691
 692 static int
 693 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 694 {
 695         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 696
 697         PMD_INIT_FUNC_TRACE();
 698         return octeontx_port_stats(nic, stats);
 699 }
 700
 701 static int
 702 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
 703 {
 704         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 705
 706         PMD_INIT_FUNC_TRACE();
 707         return octeontx_port_stats_clr(nic);
 708 }
 709
 710 static void
 711 octeontx_dev_mac_addr_del(struct rte_eth_dev *dev, uint32_t index)
 712 {
 713         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 714         int ret;
 715
 716         ret = octeontx_bgx_port_mac_del(nic->port_id, index);
 717         if (ret != 0)
 718                 octeontx_log_err("failed to del MAC address filter on port %d",
 719                                  nic->port_id);
 720 }
 721
 722 static int
 723 octeontx_dev_mac_addr_add(struct rte_eth_dev *dev,
 724                           struct rte_ether_addr *mac_addr,
 725                           uint32_t index,
 726                           __rte_unused uint32_t vmdq)
 727 {
 728         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 729         int ret;
 730
 731         ret = octeontx_bgx_port_mac_add(nic->port_id, mac_addr->addr_bytes,
 732                                         index);
 733         if (ret < 0) {
 734                 octeontx_log_err("failed to add MAC address filter on port %d",
 735                                  nic->port_id);
 736                 return ret;
 737         }
 738
 739         return 0;
 740 }
 741
 742 static int
 743 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
 744                                         struct rte_ether_addr *addr)
 745 {
 746         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 747         int ret;
 748
 749         ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
 750         if (ret == 0) {
 751                 /* Update same mac address to BGX CAM table */
 752                 ret = octeontx_bgx_port_mac_add(nic->port_id, addr->addr_bytes,
 753                                                 0);
 754         }
 755         if (ret < 0) {
 756                 octeontx_log_err("failed to set MAC address on port %d",
 757                                  nic->port_id);
 758         }
 759
 760         return ret;
 761 }
 762
 763 static int
 764 octeontx_dev_info(struct rte_eth_dev *dev,
 765                 struct rte_eth_dev_info *dev_info)
 766 {
 767         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 768
 769         /* Autonegotiation may be disabled */
 770         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
 771         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
 772                         ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
 773                         ETH_LINK_SPEED_40G;
 774
 775         /* Min/Max MTU supported */
 776         dev_info->min_rx_bufsize = OCCTX_MIN_FRS;
 777         dev_info->max_rx_pktlen = OCCTX_MAX_FRS;
 778         dev_info->max_mtu = dev_info->max_rx_pktlen - OCCTX_L2_OVERHEAD;
 779         dev_info->min_mtu = dev_info->min_rx_bufsize - OCCTX_L2_OVERHEAD;
 780
 781         dev_info->max_mac_addrs =
 782                                 octeontx_bgx_port_mac_entries_get(nic->port_id);
 783         dev_info->max_rx_pktlen = PKI_MAX_PKTLEN;
 784         dev_info->max_rx_queues = 1;
 785         dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
 786         dev_info->min_rx_bufsize = 0;
 787
 788         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 789                 .rx_free_thresh = 0,
 790                 .rx_drop_en = 0,
 791                 .offloads = OCTEONTX_RX_OFFLOADS,
 792         };
 793
 794         dev_info->default_txconf = (struct rte_eth_txconf) {
 795                 .tx_free_thresh = 0,
 796                 .offloads = OCTEONTX_TX_OFFLOADS,
 797         };
 798
 799         dev_info->rx_offload_capa = OCTEONTX_RX_OFFLOADS;
 800         dev_info->tx_offload_capa = OCTEONTX_TX_OFFLOADS;
 801         dev_info->rx_queue_offload_capa = OCTEONTX_RX_OFFLOADS;
 802         dev_info->tx_queue_offload_capa = OCTEONTX_TX_OFFLOADS;
 803
 804         return 0;
 805 }
 806
 807 static void
 808 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
 809 {
 810         ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
 811         ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
 812         ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
 813 }
 814
 815 static int
 816 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 817                                 uint16_t qidx)
 818 {
 819         struct octeontx_txq *txq;
 820         int res;
 821
 822         PMD_INIT_FUNC_TRACE();
 823
 824         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
 825                 return 0;
 826
 827         txq = dev->data->tx_queues[qidx];
 828
 829         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 830                                                 &txq->dq,
 831                                                 sizeof(octeontx_dq_t),
 832                                                 txq->queue_id,
 833                                                 octeontx_dq_info_getter);
 834         if (res < 0) {
 835                 res = -EFAULT;
 836                 goto close_port;
 837         }
 838
 839         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
 840         return res;
 841
 842 close_port:
 843         (void)octeontx_port_stop(nic);
 844         octeontx_pko_channel_stop(nic->base_ochan);
 845         octeontx_pko_channel_close(nic->base_ochan);
 846         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 847         return res;
 848 }
 849
 850 static int
 851 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
 852 {
 853         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 854
 855         PMD_INIT_FUNC_TRACE();
 856         qidx = qidx % PKO_VF_NUM_DQ;
 857         return octeontx_vf_start_tx_queue(dev, nic, qidx);
 858 }
 859
 860 static inline int
 861 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 862                           uint16_t qidx)
 863 {
 864         int ret = 0;
 865
 866         RTE_SET_USED(nic);
 867         PMD_INIT_FUNC_TRACE();
 868
 869         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
 870                 return 0;
 871
 872         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 873         return ret;
 874 }
 875
 876 static int
 877 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
 878 {
 879         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 880
 881         PMD_INIT_FUNC_TRACE();
 882         qidx = qidx % PKO_VF_NUM_DQ;
 883
 884         return octeontx_vf_stop_tx_queue(dev, nic, qidx);
 885 }
 886
 887 static void
 888 octeontx_dev_tx_queue_release(void *tx_queue)
 889 {
 890         struct octeontx_txq *txq = tx_queue;
 891         int res;
 892
 893         PMD_INIT_FUNC_TRACE();
 894
 895         if (txq) {
 896                 res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id);
 897                 if (res < 0)
 898                         octeontx_log_err("failed stop tx_queue(%d)\n",
 899                                    txq->queue_id);
 900
 901                 rte_free(txq);
 902         }
 903 }
 904
 905 static int
 906 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 907                             uint16_t nb_desc, unsigned int socket_id,
 908                             const struct rte_eth_txconf *tx_conf __rte_unused)
 909 {
 910         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 911         struct octeontx_txq *txq = NULL;
 912         uint16_t dq_num;
 913         int res = 0;
 914
 915         RTE_SET_USED(nb_desc);
 916         RTE_SET_USED(socket_id);
 917
 918         dq_num = (nic->pko_vfid * PKO_VF_NUM_DQ) + qidx;
 919
 920         /* Socket id check */
 921         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 922                         socket_id != (unsigned int)nic->node)
 923                 PMD_TX_LOG(INFO, "socket_id expected %d, configured %d",
 924                                                 socket_id, nic->node);
 925
 926         /* Free memory prior to re-allocation if needed. */
 927         if (dev->data->tx_queues[qidx] != NULL) {
 928                 PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d",
 929                                 qidx);
 930                 octeontx_dev_tx_queue_release(dev->data->tx_queues[qidx]);
 931                 dev->data->tx_queues[qidx] = NULL;
 932         }
 933
 934         /* Allocating tx queue data structure */
 935         txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq),
 936                                  RTE_CACHE_LINE_SIZE, nic->node);
 937         if (txq == NULL) {
 938                 octeontx_log_err("failed to allocate txq=%d", qidx);
 939                 res = -ENOMEM;
 940                 goto err;
 941         }
 942
 943         txq->eth_dev = dev;
 944         txq->queue_id = dq_num;
 945         dev->data->tx_queues[qidx] = txq;
 946         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 947
 948         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 949                                                 &txq->dq,
 950                                                 sizeof(octeontx_dq_t),
 951                                                 txq->queue_id,
 952                                                 octeontx_dq_info_getter);
 953         if (res < 0) {
 954                 res = -EFAULT;
 955                 goto err;
 956         }
 957
 958         PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p",
 959                         qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va,
 960                         txq->dq.ioreg_va,
 961                         txq->dq.fc_status_va);
 962
 963         return res;
 964
 965 err:
 966         if (txq)
 967                 rte_free(txq);
 968
 969         return res;
 970 }
 971
 972 static int
 973 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 974                                 uint16_t nb_desc, unsigned int socket_id,
 975                                 const struct rte_eth_rxconf *rx_conf,
 976                                 struct rte_mempool *mb_pool)
 977 {
 978         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 979         struct rte_mempool_ops *mp_ops = NULL;
 980         struct octeontx_rxq *rxq = NULL;
 981         pki_pktbuf_cfg_t pktbuf_conf;
 982         pki_hash_cfg_t pki_hash;
 983         pki_qos_cfg_t pki_qos;
 984         uintptr_t pool;
 985         int ret, port;
 986         uint16_t gaura;
 987         unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx;
 988         unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx;
 989
 990         RTE_SET_USED(nb_desc);
 991
 992         memset(&pktbuf_conf, 0, sizeof(pktbuf_conf));
 993         memset(&pki_hash, 0, sizeof(pki_hash));
 994         memset(&pki_qos, 0, sizeof(pki_qos));
 995
 996         mp_ops = rte_mempool_get_ops(mb_pool->ops_index);
 997         if (strcmp(mp_ops->name, "octeontx_fpavf")) {
 998                 octeontx_log_err("failed to find octeontx_fpavf mempool");
 999                 return -ENOTSUP;
1000         }
1001
1002         /* Handle forbidden configurations */
1003         if (nic->pki.classifier_enable) {
1004                 octeontx_log_err("cannot setup queue %d. "
1005                                         "Classifier option unsupported", qidx);
1006                 return -EINVAL;
1007         }
1008
1009         port = nic->port_id;
1010
1011         /* Rx deferred start is not supported */
1012         if (rx_conf->rx_deferred_start) {
1013                 octeontx_log_err("rx deferred start not supported");
1014                 return -EINVAL;
1015         }
1016
1017         /* Verify queue index */
1018         if (qidx >= dev->data->nb_rx_queues) {
1019                 octeontx_log_err("QID %d not supporteded (0 - %d available)\n",
1020                                 qidx, (dev->data->nb_rx_queues - 1));
1021                 return -ENOTSUP;
1022         }
1023
1024         /* Socket id check */
1025         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
1026                         socket_id != (unsigned int)nic->node)
1027                 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d",
1028                                                 socket_id, nic->node);
1029
1030         /* Allocating rx queue data structure */
1031         rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq),
1032                                  RTE_CACHE_LINE_SIZE, nic->node);
1033         if (rxq == NULL) {
1034                 octeontx_log_err("failed to allocate rxq=%d", qidx);
1035                 return -ENOMEM;
1036         }
1037
1038         if (!nic->pki.initialized) {
1039                 pktbuf_conf.port_type = 0;
1040                 pki_hash.port_type = 0;
1041                 pki_qos.port_type = 0;
1042
1043                 pktbuf_conf.mmask.f_wqe_skip = 1;
1044                 pktbuf_conf.mmask.f_first_skip = 1;
1045                 pktbuf_conf.mmask.f_later_skip = 1;
1046                 pktbuf_conf.mmask.f_mbuff_size = 1;
1047                 pktbuf_conf.mmask.f_cache_mode = 1;
1048
1049                 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
1050                 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP(mb_pool);
1051                 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
1052                 pktbuf_conf.mbuff_size = (mb_pool->elt_size -
1053                                         RTE_PKTMBUF_HEADROOM -
1054                                         rte_pktmbuf_priv_size(mb_pool) -
1055                                         sizeof(struct rte_mbuf));
1056
1057                 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
1058
1059                 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
1060                 if (ret != 0) {
1061                         octeontx_log_err("fail to configure pktbuf for port %d",
1062                                         port);
1063                         rte_free(rxq);
1064                         return ret;
1065                 }
1066                 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
1067                                 "\tmbuf_size:\t0x%0x\n"
1068                                 "\twqe_skip:\t0x%0x\n"
1069                                 "\tfirst_skip:\t0x%0x\n"
1070                                 "\tlater_skip:\t0x%0x\n"
1071                                 "\tcache_mode:\t%s\n",
1072                                 port,
1073                                 pktbuf_conf.mbuff_size,
1074                                 pktbuf_conf.wqe_skip,
1075                                 pktbuf_conf.first_skip,
1076                                 pktbuf_conf.later_skip,
1077                                 (pktbuf_conf.cache_mode ==
1078                                                 PKI_OPC_MODE_STT) ?
1079                                 "STT" :
1080                                 (pktbuf_conf.cache_mode ==
1081                                                 PKI_OPC_MODE_STF) ?
1082                                 "STF" :
1083                                 (pktbuf_conf.cache_mode ==
1084                                                 PKI_OPC_MODE_STF1_STT) ?
1085                                 "STF1_STT" : "STF2_STT");
1086
1087                 if (nic->pki.hash_enable) {
1088                         pki_hash.tag_dlc = 1;
1089                         pki_hash.tag_slc = 1;
1090                         pki_hash.tag_dlf = 1;
1091                         pki_hash.tag_slf = 1;
1092                         pki_hash.tag_prt = 1;
1093                         octeontx_pki_port_hash_config(port, &pki_hash);
1094                 }
1095
1096                 pool = (uintptr_t)mb_pool->pool_id;
1097
1098                 /* Get the gaura Id */
1099                 gaura = octeontx_fpa_bufpool_gaura(pool);
1100
1101                 pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
1102                 pki_qos.num_entry = 1;
1103                 pki_qos.drop_policy = 0;
1104                 pki_qos.tag_type = 0L;
1105                 pki_qos.qos_entry[0].port_add = 0;
1106                 pki_qos.qos_entry[0].gaura = gaura;
1107                 pki_qos.qos_entry[0].ggrp_ok = ev_queues;
1108                 pki_qos.qos_entry[0].ggrp_bad = ev_queues;
1109                 pki_qos.qos_entry[0].grptag_bad = 0;
1110                 pki_qos.qos_entry[0].grptag_ok = 0;
1111
1112                 ret = octeontx_pki_port_create_qos(port, &pki_qos);
1113                 if (ret < 0) {
1114                         octeontx_log_err("failed to create QOS port=%d, q=%d",
1115                                         port, qidx);
1116                         rte_free(rxq);
1117                         return ret;
1118                 }
1119                 nic->pki.initialized = true;
1120         }
1121
1122         rxq->port_id = nic->port_id;
1123         rxq->eth_dev = dev;
1124         rxq->queue_id = qidx;
1125         rxq->evdev = nic->evdev;
1126         rxq->ev_queues = ev_queues;
1127         rxq->ev_ports = ev_ports;
1128         rxq->pool = mb_pool;
1129
1130         octeontx_recheck_rx_offloads(rxq);
1131         dev->data->rx_queues[qidx] = rxq;
1132         dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1133         return 0;
1134 }
1135
1136 static void
1137 octeontx_dev_rx_queue_release(void *rxq)
1138 {
1139         rte_free(rxq);
1140 }
1141
1142 static const uint32_t *
1143 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
1144 {
1145         static const uint32_t ptypes[] = {
1146                 RTE_PTYPE_L3_IPV4,
1147                 RTE_PTYPE_L3_IPV4_EXT,
1148                 RTE_PTYPE_L3_IPV6,
1149                 RTE_PTYPE_L3_IPV6_EXT,
1150                 RTE_PTYPE_L4_TCP,
1151                 RTE_PTYPE_L4_UDP,
1152                 RTE_PTYPE_L4_FRAG,
1153                 RTE_PTYPE_UNKNOWN
1154         };
1155
1156         if (dev->rx_pkt_burst == octeontx_recv_pkts)
1157                 return ptypes;
1158
1159         return NULL;
1160 }
1161
1162 static int
1163 octeontx_pool_ops(struct rte_eth_dev *dev, const char *pool)
1164 {
1165         RTE_SET_USED(dev);
1166
1167         if (!strcmp(pool, "octeontx_fpavf"))
1168                 return 0;
1169
1170         return -ENOTSUP;
1171 }
1172
1173 /* Initialize and register driver with DPDK Application */
1174 static const struct eth_dev_ops octeontx_dev_ops = {
1175         .dev_configure           = octeontx_dev_configure,
1176         .dev_infos_get           = octeontx_dev_info,
1177         .dev_close               = octeontx_dev_close,
1178         .dev_start               = octeontx_dev_start,
1179         .dev_stop                = octeontx_dev_stop,
1180         .promiscuous_enable      = octeontx_dev_promisc_enable,
1181         .promiscuous_disable     = octeontx_dev_promisc_disable,
1182         .link_update             = octeontx_dev_link_update,
1183         .stats_get               = octeontx_dev_stats_get,
1184         .stats_reset             = octeontx_dev_stats_reset,
1185         .mac_addr_remove         = octeontx_dev_mac_addr_del,
1186         .mac_addr_add            = octeontx_dev_mac_addr_add,
1187         .mac_addr_set            = octeontx_dev_default_mac_addr_set,
1188         .tx_queue_start          = octeontx_dev_tx_queue_start,
1189         .tx_queue_stop           = octeontx_dev_tx_queue_stop,
1190         .tx_queue_setup          = octeontx_dev_tx_queue_setup,
1191         .tx_queue_release        = octeontx_dev_tx_queue_release,
1192         .rx_queue_setup          = octeontx_dev_rx_queue_setup,
1193         .rx_queue_release        = octeontx_dev_rx_queue_release,
1194         .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
1195         .mtu_set                 = octeontx_dev_mtu_set,
1196         .pool_ops_supported      = octeontx_pool_ops,
1197 };
1198
1199 /* Create Ethdev interface per BGX LMAC ports */
1200 static int
1201 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
1202                         int socket_id)
1203 {
1204         int res;
1205         size_t pko_vfid;
1206         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1207         struct octeontx_nic *nic = NULL;
1208         struct rte_eth_dev *eth_dev = NULL;
1209         struct rte_eth_dev_data *data;
1210         const char *name = rte_vdev_device_name(dev);
1211         int max_entries;
1212
1213         PMD_INIT_FUNC_TRACE();
1214
1215         sprintf(octtx_name, "%s_%d", name, port);
1216         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1217                 eth_dev = rte_eth_dev_attach_secondary(octtx_name);
1218                 if (eth_dev == NULL)
1219                         return -ENODEV;
1220
1221                 eth_dev->dev_ops = &octeontx_dev_ops;
1222                 eth_dev->device = &dev->device;
1223                 octeontx_set_tx_function(eth_dev);
1224                 eth_dev->rx_pkt_burst = octeontx_recv_pkts;
1225                 rte_eth_dev_probing_finish(eth_dev);
1226                 return 0;
1227         }
1228
1229         /* Reserve an ethdev entry */
1230         eth_dev = rte_eth_dev_allocate(octtx_name);
1231         if (eth_dev == NULL) {
1232                 octeontx_log_err("failed to allocate rte_eth_dev");
1233                 res = -ENOMEM;
1234                 goto err;
1235         }
1236         data = eth_dev->data;
1237
1238         nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
1239         if (nic == NULL) {
1240                 octeontx_log_err("failed to allocate nic structure");
1241                 res = -ENOMEM;
1242                 goto err;
1243         }
1244         data->dev_private = nic;
1245         pko_vfid = octeontx_pko_get_vfid();
1246
1247         if (pko_vfid == SIZE_MAX) {
1248                 octeontx_log_err("failed to get pko vfid");
1249                 res = -ENODEV;
1250                 goto err;
1251         }
1252
1253         nic->pko_vfid = pko_vfid;
1254         nic->port_id = port;
1255         nic->evdev = evdev;
1256
1257         res = octeontx_port_open(nic);
1258         if (res < 0)
1259                 goto err;
1260
1261         /* Rx side port configuration */
1262         res = octeontx_pki_port_open(port);
1263         if (res != 0) {
1264                 octeontx_log_err("failed to open PKI port %d", port);
1265                 res = -ENODEV;
1266                 goto err;
1267         }
1268
1269         eth_dev->device = &dev->device;
1270         eth_dev->intr_handle = NULL;
1271         eth_dev->data->kdrv = RTE_KDRV_NONE;
1272         eth_dev->data->numa_node = dev->device.numa_node;
1273
1274         data->port_id = eth_dev->data->port_id;
1275
1276         nic->ev_queues = 1;
1277         nic->ev_ports = 1;
1278
1279         data->dev_link.link_status = ETH_LINK_DOWN;
1280         data->dev_started = 0;
1281         data->promiscuous = 0;
1282         data->all_multicast = 0;
1283         data->scattered_rx = 0;
1284
1285         /* Get maximum number of supported MAC entries */
1286         max_entries = octeontx_bgx_port_mac_entries_get(nic->port_id);
1287         if (max_entries < 0) {
1288                 octeontx_log_err("Failed to get max entries for mac addr");
1289                 res = -ENOTSUP;
1290                 goto err;
1291         }
1292
1293         data->mac_addrs = rte_zmalloc_socket(octtx_name, max_entries *
1294                                              RTE_ETHER_ADDR_LEN, 0,
1295                                                         socket_id);
1296         if (data->mac_addrs == NULL) {
1297                 octeontx_log_err("failed to allocate memory for mac_addrs");
1298                 res = -ENOMEM;
1299                 goto err;
1300         }
1301
1302         eth_dev->dev_ops = &octeontx_dev_ops;
1303
1304         /* Finally save ethdev pointer to the NIC structure */
1305         nic->dev = eth_dev;
1306
1307         if (nic->port_id != data->port_id) {
1308                 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
1309                                 data->port_id, nic->port_id);
1310                 res = -EINVAL;
1311                 goto free_mac_addrs;
1312         }
1313
1314         /* Update port_id mac to eth_dev */
1315         memcpy(data->mac_addrs, nic->mac_addr, RTE_ETHER_ADDR_LEN);
1316
1317         /* Update same mac address to BGX CAM table at index 0 */
1318         octeontx_bgx_port_mac_add(nic->port_id, nic->mac_addr, 0);
1319
1320         PMD_INIT_LOG(DEBUG, "ethdev info: ");
1321         PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
1322                                 nic->port_id, nic->port_ena,
1323                                 nic->base_ochan, nic->num_ochans,
1324                                 nic->num_tx_queues);
1325         PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->bgx_mtu);
1326
1327         rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7]
1328                 [(nic->base_ochan >> 4) & 0xF] = data->port_id;
1329
1330         rte_eth_dev_probing_finish(eth_dev);
1331         return data->port_id;
1332
1333 free_mac_addrs:
1334         rte_free(data->mac_addrs);
1335 err:
1336         if (nic)
1337                 octeontx_port_close(nic);
1338
1339         rte_eth_dev_release_port(eth_dev);
1340
1341         return res;
1342 }
1343
1344 /* Un initialize octeontx device */
1345 static int
1346 octeontx_remove(struct rte_vdev_device *dev)
1347 {
1348         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1349         struct rte_eth_dev *eth_dev = NULL;
1350         struct octeontx_nic *nic = NULL;
1351         int i;
1352
1353         if (dev == NULL)
1354                 return -EINVAL;
1355
1356         for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
1357                 sprintf(octtx_name, "eth_octeontx_%d", i);
1358
1359                 /* reserve an ethdev entry */
1360                 eth_dev = rte_eth_dev_allocated(octtx_name);
1361                 if (eth_dev == NULL)
1362                         return -ENODEV;
1363
1364                 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1365                         rte_eth_dev_release_port(eth_dev);
1366                         continue;
1367                 }
1368
1369                 nic = octeontx_pmd_priv(eth_dev);
1370                 rte_event_dev_stop(nic->evdev);
1371                 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
1372
1373                 rte_eth_dev_release_port(eth_dev);
1374                 rte_event_dev_close(nic->evdev);
1375         }
1376
1377         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1378                 return 0;
1379
1380         /* Free FC resource */
1381         octeontx_pko_fc_free();
1382
1383         return 0;
1384 }
1385
1386 /* Initialize octeontx device */
1387 static int
1388 octeontx_probe(struct rte_vdev_device *dev)
1389 {
1390         const char *dev_name;
1391         static int probe_once;
1392         uint8_t socket_id, qlist;
1393         int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
1394         struct rte_event_dev_config dev_conf;
1395         const char *eventdev_name = "event_octeontx";
1396         struct rte_event_dev_info info;
1397         struct rte_eth_dev *eth_dev;
1398
1399         struct octeontx_vdev_init_params init_params = {
1400                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
1401         };
1402
1403         dev_name = rte_vdev_device_name(dev);
1404
1405         if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
1406             strlen(rte_vdev_device_args(dev)) == 0) {
1407                 eth_dev = rte_eth_dev_attach_secondary(dev_name);
1408                 if (!eth_dev) {
1409                         PMD_INIT_LOG(ERR, "Failed to probe %s", dev_name);
1410                         return -1;
1411                 }
1412                 /* TODO: request info from primary to set up Rx and Tx */
1413                 eth_dev->dev_ops = &octeontx_dev_ops;
1414                 eth_dev->device = &dev->device;
1415                 rte_eth_dev_probing_finish(eth_dev);
1416                 return 0;
1417         }
1418
1419         res = octeontx_parse_vdev_init_params(&init_params, dev);
1420         if (res < 0)
1421                 return -EINVAL;
1422
1423         if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
1424                 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
1425                                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
1426                 return -ENOTSUP;
1427         }
1428
1429         PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
1430
1431         socket_id = rte_socket_id();
1432
1433         tx_vfcnt = octeontx_pko_vf_count();
1434
1435         if (tx_vfcnt < init_params.nr_port) {
1436                 octeontx_log_err("not enough PKO (%d) for port number (%d)",
1437                                 tx_vfcnt, init_params.nr_port);
1438                 return -EINVAL;
1439         }
1440         evdev = rte_event_dev_get_dev_id(eventdev_name);
1441         if (evdev < 0) {
1442                 octeontx_log_err("eventdev %s not found", eventdev_name);
1443                 return -ENODEV;
1444         }
1445
1446         res = rte_event_dev_info_get(evdev, &info);
1447         if (res < 0) {
1448                 octeontx_log_err("failed to eventdev info %d", res);
1449                 return -EINVAL;
1450         }
1451
1452         PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
1453                         info.max_event_queues, info.max_event_ports);
1454
1455         if (octeontx_pko_init_fc(tx_vfcnt))
1456                 return -ENOMEM;
1457
1458         devconf_set_default_sane_values(&dev_conf, &info);
1459         res = rte_event_dev_configure(evdev, &dev_conf);
1460         if (res < 0)
1461                 goto parse_error;
1462
1463         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
1464                         (uint32_t *)&pnum);
1465         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
1466                         (uint32_t *)&qnum);
1467         if (pnum < qnum) {
1468                 octeontx_log_err("too few event ports (%d) for event_q(%d)",
1469                                 pnum, qnum);
1470                 res = -EINVAL;
1471                 goto parse_error;
1472         }
1473
1474         /* Enable all queues available */
1475         for (i = 0; i < qnum; i++) {
1476                 res = rte_event_queue_setup(evdev, i, NULL);
1477                 if (res < 0) {
1478                         octeontx_log_err("failed to setup event_q(%d): res %d",
1479                                         i, res);
1480                         goto parse_error;
1481                 }
1482         }
1483
1484         /* Enable all ports available */
1485         for (i = 0; i < pnum; i++) {
1486                 res = rte_event_port_setup(evdev, i, NULL);
1487                 if (res < 0) {
1488                         res = -ENODEV;
1489                         octeontx_log_err("failed to setup ev port(%d) res=%d",
1490                                                 i, res);
1491                         goto parse_error;
1492                 }
1493         }
1494
1495         /*
1496          * Do 1:1 links for ports & queues. All queues would be mapped to
1497          * one port. If there are more ports than queues, then some ports
1498          * won't be linked to any queue.
1499          */
1500         for (i = 0; i < qnum; i++) {
1501                 /* Link one queue to one event port */
1502                 qlist = i;
1503                 res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
1504                 if (res < 0) {
1505                         res = -ENODEV;
1506                         octeontx_log_err("failed to link port (%d): res=%d",
1507                                         i, res);
1508                         goto parse_error;
1509                 }
1510         }
1511
1512         /* Create ethdev interface */
1513         for (i = 0; i < init_params.nr_port; i++) {
1514                 port_id = octeontx_create(dev, i, evdev, socket_id);
1515                 if (port_id < 0) {
1516                         octeontx_log_err("failed to create device %s",
1517                                         dev_name);
1518                         res = -ENODEV;
1519                         goto parse_error;
1520                 }
1521
1522                 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
1523                                         port_id);
1524         }
1525
1526         if (probe_once) {
1527                 octeontx_log_err("interface %s not supported", dev_name);
1528                 octeontx_remove(dev);
1529                 res = -ENOTSUP;
1530                 goto parse_error;
1531         }
1532         rte_mbuf_set_platform_mempool_ops("octeontx_fpavf");
1533         probe_once = 1;
1534
1535         return 0;
1536
1537 parse_error:
1538         octeontx_pko_fc_free();
1539         return res;
1540 }
1541
1542 static struct rte_vdev_driver octeontx_pmd_drv = {
1543         .probe = octeontx_probe,
1544         .remove = octeontx_remove,
1545 };
1546
1547 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
1548 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
1549 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");