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_bus_vdev.h>
  15 #include <rte_cycles.h>
  16 #include <rte_debug.h>
  17 #include <rte_devargs.h>
  18 #include <rte_dev.h>
  19 #include <rte_kvargs.h>
  20 #include <rte_malloc.h>
  21 #include <rte_mbuf_pool_ops.h>
  22 #include <rte_prefetch.h>
  23
  24 #include "octeontx_ethdev.h"
  25 #include "octeontx_rxtx.h"
  26 #include "octeontx_logs.h"
  27
  28 struct evdev_priv_data {
  29         OFFLOAD_FLAGS; /*Sequence should not be changed */
  30 } __rte_cache_aligned;
  31
  32 struct octeontx_vdev_init_params {
  33         uint8_t nr_port;
  34 };
  35
  36 uint16_t
  37 rte_octeontx_pchan_map[OCTEONTX_MAX_BGX_PORTS][OCTEONTX_MAX_LMAC_PER_BGX];
  38
  39 enum octeontx_link_speed {
  40         OCTEONTX_LINK_SPEED_SGMII,
  41         OCTEONTX_LINK_SPEED_XAUI,
  42         OCTEONTX_LINK_SPEED_RXAUI,
  43         OCTEONTX_LINK_SPEED_10G_R,
  44         OCTEONTX_LINK_SPEED_40G_R,
  45         OCTEONTX_LINK_SPEED_RESERVE1,
  46         OCTEONTX_LINK_SPEED_QSGMII,
  47         OCTEONTX_LINK_SPEED_RESERVE2
  48 };
  49
  50 RTE_LOG_REGISTER_SUFFIX(otx_net_logtype_mbox, mbox, NOTICE);
  51 RTE_LOG_REGISTER_SUFFIX(otx_net_logtype_init, init, NOTICE);
  52 RTE_LOG_REGISTER_SUFFIX(otx_net_logtype_driver, driver, NOTICE);
  53
  54 /* Parse integer from integer argument */
  55 static int
  56 parse_integer_arg(const char *key __rte_unused,
  57                 const char *value, void *extra_args)
  58 {
  59         int *i = (int *)extra_args;
  60
  61         *i = atoi(value);
  62         if (*i < 0) {
  63                 octeontx_log_err("argument has to be positive.");
  64                 return -1;
  65         }
  66
  67         return 0;
  68 }
  69
  70 static int
  71 octeontx_parse_vdev_init_params(struct octeontx_vdev_init_params *params,
  72                                 struct rte_vdev_device *dev)
  73 {
  74         struct rte_kvargs *kvlist = NULL;
  75         int ret = 0;
  76
  77         static const char * const octeontx_vdev_valid_params[] = {
  78                 OCTEONTX_VDEV_NR_PORT_ARG,
  79                 NULL
  80         };
  81
  82         const char *input_args = rte_vdev_device_args(dev);
  83         if (params == NULL)
  84                 return -EINVAL;
  85
  86
  87         if (input_args) {
  88                 kvlist = rte_kvargs_parse(input_args,
  89                                 octeontx_vdev_valid_params);
  90                 if (kvlist == NULL)
  91                         return -1;
  92
  93                 ret = rte_kvargs_process(kvlist,
  94                                         OCTEONTX_VDEV_NR_PORT_ARG,
  95                                         &parse_integer_arg,
  96                                         &params->nr_port);
  97                 if (ret < 0)
  98                         goto free_kvlist;
  99         }
 100
 101 free_kvlist:
 102         rte_kvargs_free(kvlist);
 103         return ret;
 104 }
 105
 106 static int
 107 octeontx_port_open(struct octeontx_nic *nic)
 108 {
 109         octeontx_mbox_bgx_port_conf_t bgx_port_conf;
 110         octeontx_mbox_bgx_port_fifo_cfg_t fifo_cfg;
 111         int res;
 112
 113         res = 0;
 114         memset(&bgx_port_conf, 0x0, sizeof(bgx_port_conf));
 115         PMD_INIT_FUNC_TRACE();
 116
 117         res = octeontx_bgx_port_open(nic->port_id, &bgx_port_conf);
 118         if (res < 0) {
 119                 octeontx_log_err("failed to open port %d", res);
 120                 return res;
 121         }
 122
 123         nic->node = bgx_port_conf.node;
 124         nic->port_ena = bgx_port_conf.enable;
 125         nic->base_ichan = bgx_port_conf.base_chan;
 126         nic->base_ochan = bgx_port_conf.base_chan;
 127         nic->num_ichans = bgx_port_conf.num_chans;
 128         nic->num_ochans = bgx_port_conf.num_chans;
 129         nic->bgx_mtu = bgx_port_conf.mtu;
 130         nic->bpen = bgx_port_conf.bpen;
 131         nic->fcs_strip = bgx_port_conf.fcs_strip;
 132         nic->bcast_mode = bgx_port_conf.bcast_mode;
 133         nic->mcast_mode = bgx_port_conf.mcast_mode;
 134         nic->speed      = bgx_port_conf.mode;
 135
 136         memset(&fifo_cfg, 0x0, sizeof(fifo_cfg));
 137
 138         res = octeontx_bgx_port_get_fifo_cfg(nic->port_id, &fifo_cfg);
 139         if (res < 0) {
 140                 octeontx_log_err("failed to get port %d fifo cfg", res);
 141                 return res;
 142         }
 143
 144         nic->fc.rx_fifosz = fifo_cfg.rx_fifosz;
 145
 146         memcpy(&nic->mac_addr[0], &bgx_port_conf.macaddr[0],
 147                 RTE_ETHER_ADDR_LEN);
 148
 149         octeontx_log_dbg("port opened %d", nic->port_id);
 150         return res;
 151 }
 152
 153 static void
 154 octeontx_link_status_print(struct rte_eth_dev *eth_dev,
 155                            struct rte_eth_link *link)
 156 {
 157         if (link && link->link_status)
 158                 octeontx_log_info("Port %u: Link Up - speed %u Mbps - %s",
 159                           (eth_dev->data->port_id),
 160                           link->link_speed,
 161                           link->link_duplex == ETH_LINK_FULL_DUPLEX ?
 162                           "full-duplex" : "half-duplex");
 163         else
 164                 octeontx_log_info("Port %d: Link Down",
 165                                   (int)(eth_dev->data->port_id));
 166 }
 167
 168 static void
 169 octeontx_link_status_update(struct octeontx_nic *nic,
 170                          struct rte_eth_link *link)
 171 {
 172         memset(link, 0, sizeof(*link));
 173
 174         link->link_status = nic->link_up ? ETH_LINK_UP : ETH_LINK_DOWN;
 175
 176         switch (nic->speed) {
 177         case OCTEONTX_LINK_SPEED_SGMII:
 178                 link->link_speed = ETH_SPEED_NUM_1G;
 179                 break;
 180
 181         case OCTEONTX_LINK_SPEED_XAUI:
 182                 link->link_speed = ETH_SPEED_NUM_10G;
 183                 break;
 184
 185         case OCTEONTX_LINK_SPEED_RXAUI:
 186         case OCTEONTX_LINK_SPEED_10G_R:
 187                 link->link_speed = ETH_SPEED_NUM_10G;
 188                 break;
 189         case OCTEONTX_LINK_SPEED_QSGMII:
 190                 link->link_speed = ETH_SPEED_NUM_5G;
 191                 break;
 192         case OCTEONTX_LINK_SPEED_40G_R:
 193                 link->link_speed = ETH_SPEED_NUM_40G;
 194                 break;
 195
 196         case OCTEONTX_LINK_SPEED_RESERVE1:
 197         case OCTEONTX_LINK_SPEED_RESERVE2:
 198         default:
 199                 link->link_speed = ETH_SPEED_NUM_NONE;
 200                 octeontx_log_err("incorrect link speed %d", nic->speed);
 201                 break;
 202         }
 203
 204         link->link_duplex = ETH_LINK_FULL_DUPLEX;
 205         link->link_autoneg = ETH_LINK_AUTONEG;
 206 }
 207
 208 static void
 209 octeontx_link_status_poll(void *arg)
 210 {
 211         struct octeontx_nic *nic = arg;
 212         struct rte_eth_link link;
 213         struct rte_eth_dev *dev;
 214         int res;
 215
 216         PMD_INIT_FUNC_TRACE();
 217
 218         dev = nic->dev;
 219
 220         res = octeontx_bgx_port_link_status(nic->port_id);
 221         if (res < 0) {
 222                 octeontx_log_err("Failed to get port %d link status",
 223                                 nic->port_id);
 224         } else {
 225                 if (nic->link_up != (uint8_t)res) {
 226                         nic->link_up = (uint8_t)res;
 227                         octeontx_link_status_update(nic, &link);
 228                         octeontx_link_status_print(dev, &link);
 229                         rte_eth_linkstatus_set(dev, &link);
 230                         rte_eth_dev_callback_process(dev,
 231                                                      RTE_ETH_EVENT_INTR_LSC,
 232                                                      NULL);
 233                 }
 234         }
 235
 236         res = rte_eal_alarm_set(OCCTX_INTR_POLL_INTERVAL_MS * 1000,
 237                                 octeontx_link_status_poll, nic);
 238         if (res < 0)
 239                 octeontx_log_err("Failed to restart alarm for port %d, err: %d",
 240                                 nic->port_id, res);
 241 }
 242
 243 static void
 244 octeontx_port_close(struct octeontx_nic *nic)
 245 {
 246         PMD_INIT_FUNC_TRACE();
 247
 248         rte_eal_alarm_cancel(octeontx_link_status_poll, nic);
 249         octeontx_bgx_port_close(nic->port_id);
 250         octeontx_log_dbg("port closed %d", nic->port_id);
 251 }
 252
 253 static int
 254 octeontx_port_start(struct octeontx_nic *nic)
 255 {
 256         PMD_INIT_FUNC_TRACE();
 257
 258         return octeontx_bgx_port_start(nic->port_id);
 259 }
 260
 261 static int
 262 octeontx_port_stop(struct octeontx_nic *nic)
 263 {
 264         PMD_INIT_FUNC_TRACE();
 265
 266         return octeontx_bgx_port_stop(nic->port_id);
 267 }
 268
 269 static int
 270 octeontx_port_promisc_set(struct octeontx_nic *nic, int en)
 271 {
 272         struct rte_eth_dev *dev;
 273         int res;
 274
 275         res = 0;
 276         PMD_INIT_FUNC_TRACE();
 277         dev = nic->dev;
 278
 279         res = octeontx_bgx_port_promisc_set(nic->port_id, en);
 280         if (res < 0) {
 281                 octeontx_log_err("failed to set promiscuous mode %d",
 282                                 nic->port_id);
 283                 return res;
 284         }
 285
 286         /* Set proper flag for the mode */
 287         dev->data->promiscuous = (en != 0) ? 1 : 0;
 288
 289         octeontx_log_dbg("port %d : promiscuous mode %s",
 290                         nic->port_id, en ? "set" : "unset");
 291
 292         return 0;
 293 }
 294
 295 static int
 296 octeontx_port_stats(struct octeontx_nic *nic, struct rte_eth_stats *stats)
 297 {
 298         octeontx_mbox_bgx_port_stats_t bgx_stats;
 299         int res;
 300
 301         PMD_INIT_FUNC_TRACE();
 302
 303         res = octeontx_bgx_port_stats(nic->port_id, &bgx_stats);
 304         if (res < 0) {
 305                 octeontx_log_err("failed to get port stats %d", nic->port_id);
 306                 return res;
 307         }
 308
 309         stats->ipackets = bgx_stats.rx_packets;
 310         stats->ibytes = bgx_stats.rx_bytes;
 311         stats->imissed = bgx_stats.rx_dropped;
 312         stats->ierrors = bgx_stats.rx_errors;
 313         stats->opackets = bgx_stats.tx_packets;
 314         stats->obytes = bgx_stats.tx_bytes;
 315         stats->oerrors = bgx_stats.tx_errors;
 316
 317         octeontx_log_dbg("port%d stats inpkts=%" PRIx64 " outpkts=%" PRIx64 "",
 318                         nic->port_id, stats->ipackets, stats->opackets);
 319
 320         return 0;
 321 }
 322
 323 static int
 324 octeontx_port_stats_clr(struct octeontx_nic *nic)
 325 {
 326         PMD_INIT_FUNC_TRACE();
 327
 328         return octeontx_bgx_port_stats_clr(nic->port_id);
 329 }
 330
 331 static inline void
 332 devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf,
 333                                 struct rte_event_dev_info *info)
 334 {
 335         memset(dev_conf, 0, sizeof(struct rte_event_dev_config));
 336         dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns;
 337
 338         dev_conf->nb_event_ports = info->max_event_ports;
 339         dev_conf->nb_event_queues = info->max_event_queues;
 340
 341         dev_conf->nb_event_queue_flows = info->max_event_queue_flows;
 342         dev_conf->nb_event_port_dequeue_depth =
 343                         info->max_event_port_dequeue_depth;
 344         dev_conf->nb_event_port_enqueue_depth =
 345                         info->max_event_port_enqueue_depth;
 346         dev_conf->nb_event_port_enqueue_depth =
 347                         info->max_event_port_enqueue_depth;
 348         dev_conf->nb_events_limit =
 349                         info->max_num_events;
 350 }
 351
 352 static uint16_t
 353 octeontx_tx_offload_flags(struct rte_eth_dev *eth_dev)
 354 {
 355         struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
 356         uint16_t flags = 0;
 357
 358         if (nic->tx_offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM ||
 359             nic->tx_offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
 360                 flags |= OCCTX_TX_OFFLOAD_OL3_OL4_CSUM_F;
 361
 362         if (nic->tx_offloads & DEV_TX_OFFLOAD_IPV4_CKSUM ||
 363             nic->tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM ||
 364             nic->tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM ||
 365             nic->tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM)
 366                 flags |= OCCTX_TX_OFFLOAD_L3_L4_CSUM_F;
 367
 368         if (!(nic->tx_offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE))
 369                 flags |= OCCTX_TX_OFFLOAD_MBUF_NOFF_F;
 370
 371         if (nic->tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS)
 372                 flags |= OCCTX_TX_MULTI_SEG_F;
 373
 374         return flags;
 375 }
 376
 377 static uint16_t
 378 octeontx_rx_offload_flags(struct rte_eth_dev *eth_dev)
 379 {
 380         struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
 381         uint16_t flags = 0;
 382
 383         if (nic->rx_offloads & (DEV_RX_OFFLOAD_TCP_CKSUM |
 384                          DEV_RX_OFFLOAD_UDP_CKSUM))
 385                 flags |= OCCTX_RX_OFFLOAD_CSUM_F;
 386
 387         if (nic->rx_offloads & (DEV_RX_OFFLOAD_IPV4_CKSUM |
 388                                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM))
 389                 flags |= OCCTX_RX_OFFLOAD_CSUM_F;
 390
 391         if (nic->rx_offloads & DEV_RX_OFFLOAD_SCATTER) {
 392                 flags |= OCCTX_RX_MULTI_SEG_F;
 393                 eth_dev->data->scattered_rx = 1;
 394                 /* If scatter mode is enabled, TX should also be in multi
 395                  * seg mode, else memory leak will occur
 396                  */
 397                 nic->tx_offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
 398         }
 399
 400         return flags;
 401 }
 402
 403 static int
 404 octeontx_dev_configure(struct rte_eth_dev *dev)
 405 {
 406         struct rte_eth_dev_data *data = dev->data;
 407         struct rte_eth_conf *conf = &data->dev_conf;
 408         struct rte_eth_rxmode *rxmode = &conf->rxmode;
 409         struct rte_eth_txmode *txmode = &conf->txmode;
 410         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 411         int ret;
 412
 413         PMD_INIT_FUNC_TRACE();
 414         RTE_SET_USED(conf);
 415
 416         if (!rte_eal_has_hugepages()) {
 417                 octeontx_log_err("huge page is not configured");
 418                 return -EINVAL;
 419         }
 420
 421         if (txmode->mq_mode) {
 422                 octeontx_log_err("tx mq_mode DCB or VMDq not supported");
 423                 return -EINVAL;
 424         }
 425
 426         if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
 427                 rxmode->mq_mode != ETH_MQ_RX_RSS) {
 428                 octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode);
 429                 return -EINVAL;
 430         }
 431
 432         if (!(txmode->offloads & DEV_TX_OFFLOAD_MT_LOCKFREE)) {
 433                 PMD_INIT_LOG(NOTICE, "cant disable lockfree tx");
 434                 txmode->offloads |= DEV_TX_OFFLOAD_MT_LOCKFREE;
 435         }
 436
 437         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
 438                 octeontx_log_err("setting link speed/duplex not supported");
 439                 return -EINVAL;
 440         }
 441
 442         if (conf->dcb_capability_en) {
 443                 octeontx_log_err("DCB enable not supported");
 444                 return -EINVAL;
 445         }
 446
 447         if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
 448                 octeontx_log_err("flow director not supported");
 449                 return -EINVAL;
 450         }
 451
 452         nic->num_tx_queues = dev->data->nb_tx_queues;
 453
 454         ret = octeontx_pko_channel_open(nic->pko_vfid * PKO_VF_NUM_DQ,
 455                                         nic->num_tx_queues,
 456                                         nic->base_ochan);
 457         if (ret) {
 458                 octeontx_log_err("failed to open channel %d no-of-txq %d",
 459                            nic->base_ochan, nic->num_tx_queues);
 460                 return -EFAULT;
 461         }
 462
 463         ret = octeontx_dev_vlan_offload_init(dev);
 464         if (ret) {
 465                 octeontx_log_err("failed to initialize vlan offload");
 466                 return -EFAULT;
 467         }
 468
 469         nic->pki.classifier_enable = false;
 470         nic->pki.hash_enable = true;
 471         nic->pki.initialized = false;
 472
 473         nic->rx_offloads |= rxmode->offloads;
 474         nic->tx_offloads |= txmode->offloads;
 475         nic->rx_offload_flags |= octeontx_rx_offload_flags(dev);
 476         nic->tx_offload_flags |= octeontx_tx_offload_flags(dev);
 477
 478         return 0;
 479 }
 480
 481 static int
 482 octeontx_dev_close(struct rte_eth_dev *dev)
 483 {
 484         struct octeontx_txq *txq = NULL;
 485         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 486         unsigned int i;
 487         int ret;
 488
 489         PMD_INIT_FUNC_TRACE();
 490         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 491                 return 0;
 492
 493         rte_event_dev_close(nic->evdev);
 494
 495         octeontx_dev_flow_ctrl_fini(dev);
 496
 497         octeontx_dev_vlan_offload_fini(dev);
 498
 499         ret = octeontx_pko_channel_close(nic->base_ochan);
 500         if (ret < 0) {
 501                 octeontx_log_err("failed to close channel %d VF%d %d %d",
 502                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 503                              ret);
 504         }
 505         /* Free txq resources for this port */
 506         for (i = 0; i < nic->num_tx_queues; i++) {
 507                 txq = dev->data->tx_queues[i];
 508                 if (!txq)
 509                         continue;
 510
 511                 rte_free(txq);
 512         }
 513
 514         octeontx_port_close(nic);
 515
 516         return 0;
 517 }
 518
 519 static int
 520 octeontx_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 521 {
 522         uint32_t buffsz, frame_size = mtu + OCCTX_L2_OVERHEAD;
 523         struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
 524         struct rte_eth_dev_data *data = eth_dev->data;
 525         int rc = 0;
 526
 527         /* Check if MTU is within the allowed range */
 528         if (frame_size < OCCTX_MIN_FRS || frame_size > OCCTX_MAX_FRS)
 529                 return -EINVAL;
 530
 531         buffsz = data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
 532
 533         /* Refuse MTU that requires the support of scattered packets
 534          * when this feature has not been enabled before.
 535          */
 536         if (data->dev_started && frame_size > buffsz &&
 537             !(nic->rx_offloads & DEV_RX_OFFLOAD_SCATTER)) {
 538                 octeontx_log_err("Scatter mode is disabled");
 539                 return -EINVAL;
 540         }
 541
 542         /* Check <seg size> * <max_seg>  >= max_frame */
 543         if ((nic->rx_offloads & DEV_RX_OFFLOAD_SCATTER) &&
 544             (frame_size > buffsz * OCCTX_RX_NB_SEG_MAX))
 545                 return -EINVAL;
 546
 547         rc = octeontx_pko_send_mtu(nic->port_id, frame_size);
 548         if (rc)
 549                 return rc;
 550
 551         rc = octeontx_bgx_port_mtu_set(nic->port_id, frame_size);
 552         if (rc)
 553                 return rc;
 554
 555         if (frame_size > OCCTX_L2_MAX_LEN)
 556                 nic->rx_offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 557         else
 558                 nic->rx_offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 559
 560         /* Update max_rx_pkt_len */
 561         data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 562         octeontx_log_info("Received pkt beyond  maxlen %d will be dropped",
 563                           frame_size);
 564
 565         return rc;
 566 }
 567
 568 static int
 569 octeontx_recheck_rx_offloads(struct octeontx_rxq *rxq)
 570 {
 571         struct rte_eth_dev *eth_dev = rxq->eth_dev;
 572         struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
 573         struct rte_eth_dev_data *data = eth_dev->data;
 574         struct rte_pktmbuf_pool_private *mbp_priv;
 575         struct evdev_priv_data *evdev_priv;
 576         struct rte_eventdev *dev;
 577         uint32_t buffsz;
 578
 579         /* Get rx buffer size */
 580         mbp_priv = rte_mempool_get_priv(rxq->pool);
 581         buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
 582
 583         /* Setup scatter mode if needed by jumbo */
 584         if (data->dev_conf.rxmode.max_rx_pkt_len > buffsz) {
 585                 nic->rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
 586                 nic->rx_offload_flags |= octeontx_rx_offload_flags(eth_dev);
 587                 nic->tx_offload_flags |= octeontx_tx_offload_flags(eth_dev);
 588         }
 589
 590         /* Sharing offload flags via eventdev priv region */
 591         dev = &rte_eventdevs[rxq->evdev];
 592         evdev_priv = dev->data->dev_private;
 593         evdev_priv->rx_offload_flags = nic->rx_offload_flags;
 594         evdev_priv->tx_offload_flags = nic->tx_offload_flags;
 595
 596         /* Setup MTU based on max_rx_pkt_len */
 597         nic->mtu = data->dev_conf.rxmode.max_rx_pkt_len - OCCTX_L2_OVERHEAD;
 598
 599         return 0;
 600 }
 601
 602 static int
 603 octeontx_dev_start(struct rte_eth_dev *dev)
 604 {
 605         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 606         struct octeontx_rxq *rxq;
 607         int ret, i;
 608
 609         PMD_INIT_FUNC_TRACE();
 610         /* Rechecking if any new offload set to update
 611          * rx/tx burst function pointer accordingly.
 612          */
 613         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 614                 rxq = dev->data->rx_queues[i];
 615                 octeontx_recheck_rx_offloads(rxq);
 616         }
 617
 618         /* Setting up the mtu based on max_rx_pkt_len */
 619         ret = octeontx_dev_mtu_set(dev, nic->mtu);
 620         if (ret) {
 621                 octeontx_log_err("Failed to set default MTU size %d", ret);
 622                 goto error;
 623         }
 624
 625         /*
 626          * Tx start
 627          */
 628         octeontx_set_tx_function(dev);
 629         ret = octeontx_pko_channel_start(nic->base_ochan);
 630         if (ret < 0) {
 631                 octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
 632                            nic->port_id, nic->num_tx_queues, nic->base_ochan,
 633                            ret);
 634                 goto error;
 635         }
 636
 637         /*
 638          * Rx start
 639          */
 640         dev->rx_pkt_burst = octeontx_recv_pkts;
 641         ret = octeontx_pki_port_start(nic->port_id);
 642         if (ret < 0) {
 643                 octeontx_log_err("fail to start Rx on port %d", nic->port_id);
 644                 goto channel_stop_error;
 645         }
 646
 647         /*
 648          * Start port
 649          */
 650         ret = octeontx_port_start(nic);
 651         if (ret < 0) {
 652                 octeontx_log_err("failed start port %d", ret);
 653                 goto pki_port_stop_error;
 654         }
 655
 656         PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
 657                         nic->base_ochan, nic->num_tx_queues, nic->port_id);
 658
 659         ret = rte_event_dev_start(nic->evdev);
 660         if (ret < 0) {
 661                 octeontx_log_err("failed to start evdev: ret (%d)", ret);
 662                 goto pki_port_stop_error;
 663         }
 664
 665         /* Success */
 666         return ret;
 667
 668 pki_port_stop_error:
 669         octeontx_pki_port_stop(nic->port_id);
 670 channel_stop_error:
 671         octeontx_pko_channel_stop(nic->base_ochan);
 672 error:
 673         return ret;
 674 }
 675
 676 static int
 677 octeontx_dev_stop(struct rte_eth_dev *dev)
 678 {
 679         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 680         int ret;
 681
 682         PMD_INIT_FUNC_TRACE();
 683
 684         rte_event_dev_stop(nic->evdev);
 685
 686         ret = octeontx_port_stop(nic);
 687         if (ret < 0) {
 688                 octeontx_log_err("failed to req stop port %d res=%d",
 689                                         nic->port_id, ret);
 690                 return ret;
 691         }
 692
 693         ret = octeontx_pki_port_stop(nic->port_id);
 694         if (ret < 0) {
 695                 octeontx_log_err("failed to stop pki port %d res=%d",
 696                                         nic->port_id, ret);
 697                 return ret;
 698         }
 699
 700         ret = octeontx_pko_channel_stop(nic->base_ochan);
 701         if (ret < 0) {
 702                 octeontx_log_err("failed to stop channel %d VF%d %d %d",
 703                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 704                              ret);
 705                 return ret;
 706         }
 707
 708         return 0;
 709 }
 710
 711 static int
 712 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
 713 {
 714         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 715
 716         PMD_INIT_FUNC_TRACE();
 717         return octeontx_port_promisc_set(nic, 1);
 718 }
 719
 720 static int
 721 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
 722 {
 723         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 724
 725         PMD_INIT_FUNC_TRACE();
 726         return octeontx_port_promisc_set(nic, 0);
 727 }
 728
 729 static int
 730 octeontx_port_link_status(struct octeontx_nic *nic)
 731 {
 732         int res;
 733
 734         PMD_INIT_FUNC_TRACE();
 735         res = octeontx_bgx_port_link_status(nic->port_id);
 736         if (res < 0) {
 737                 octeontx_log_err("failed to get port %d link status",
 738                                 nic->port_id);
 739                 return res;
 740         }
 741
 742         if (nic->link_up != (uint8_t)res || nic->print_flag == -1) {
 743                 nic->link_up = (uint8_t)res;
 744                 nic->print_flag = 1;
 745         }
 746         octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
 747
 748         return res;
 749 }
 750
 751 /*
 752  * Return 0 means link status changed, -1 means not changed
 753  */
 754 static int
 755 octeontx_dev_link_update(struct rte_eth_dev *dev,
 756                          int wait_to_complete __rte_unused)
 757 {
 758         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 759         struct rte_eth_link link;
 760         int res;
 761
 762         PMD_INIT_FUNC_TRACE();
 763
 764         res = octeontx_port_link_status(nic);
 765         if (res < 0) {
 766                 octeontx_log_err("failed to request link status %d", res);
 767                 return res;
 768         }
 769
 770         octeontx_link_status_update(nic, &link);
 771         if (nic->print_flag) {
 772                 octeontx_link_status_print(nic->dev, &link);
 773                 nic->print_flag = 0;
 774         }
 775
 776         return rte_eth_linkstatus_set(dev, &link);
 777 }
 778
 779 static int
 780 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 781 {
 782         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 783
 784         PMD_INIT_FUNC_TRACE();
 785         return octeontx_port_stats(nic, stats);
 786 }
 787
 788 static int
 789 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
 790 {
 791         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 792
 793         PMD_INIT_FUNC_TRACE();
 794         return octeontx_port_stats_clr(nic);
 795 }
 796
 797 static void
 798 octeontx_dev_mac_addr_del(struct rte_eth_dev *dev, uint32_t index)
 799 {
 800         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 801         int ret;
 802
 803         ret = octeontx_bgx_port_mac_del(nic->port_id, index);
 804         if (ret != 0)
 805                 octeontx_log_err("failed to del MAC address filter on port %d",
 806                                  nic->port_id);
 807 }
 808
 809 static int
 810 octeontx_dev_mac_addr_add(struct rte_eth_dev *dev,
 811                           struct rte_ether_addr *mac_addr,
 812                           uint32_t index,
 813                           __rte_unused uint32_t vmdq)
 814 {
 815         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 816         int ret;
 817
 818         ret = octeontx_bgx_port_mac_add(nic->port_id, mac_addr->addr_bytes,
 819                                         index);
 820         if (ret < 0) {
 821                 octeontx_log_err("failed to add MAC address filter on port %d",
 822                                  nic->port_id);
 823                 return ret;
 824         }
 825
 826         return 0;
 827 }
 828
 829 static int
 830 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
 831                                         struct rte_ether_addr *addr)
 832 {
 833         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 834         int ret;
 835
 836         ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
 837         if (ret == 0) {
 838                 /* Update same mac address to BGX CAM table */
 839                 ret = octeontx_bgx_port_mac_add(nic->port_id, addr->addr_bytes,
 840                                                 0);
 841         }
 842         if (ret < 0) {
 843                 octeontx_log_err("failed to set MAC address on port %d",
 844                                  nic->port_id);
 845         }
 846
 847         return ret;
 848 }
 849
 850 static int
 851 octeontx_dev_info(struct rte_eth_dev *dev,
 852                 struct rte_eth_dev_info *dev_info)
 853 {
 854         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 855
 856         /* Autonegotiation may be disabled */
 857         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
 858         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
 859                         ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
 860                         ETH_LINK_SPEED_40G;
 861
 862         /* Min/Max MTU supported */
 863         dev_info->min_rx_bufsize = OCCTX_MIN_FRS;
 864         dev_info->max_rx_pktlen = OCCTX_MAX_FRS;
 865         dev_info->max_mtu = dev_info->max_rx_pktlen - OCCTX_L2_OVERHEAD;
 866         dev_info->min_mtu = dev_info->min_rx_bufsize - OCCTX_L2_OVERHEAD;
 867
 868         dev_info->max_mac_addrs =
 869                                 octeontx_bgx_port_mac_entries_get(nic->port_id);
 870         dev_info->max_rx_queues = 1;
 871         dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
 872         dev_info->min_rx_bufsize = 0;
 873
 874         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 875                 .rx_free_thresh = 0,
 876                 .rx_drop_en = 0,
 877                 .offloads = OCTEONTX_RX_OFFLOADS,
 878         };
 879
 880         dev_info->default_txconf = (struct rte_eth_txconf) {
 881                 .tx_free_thresh = 0,
 882                 .offloads = OCTEONTX_TX_OFFLOADS,
 883         };
 884
 885         dev_info->rx_offload_capa = OCTEONTX_RX_OFFLOADS;
 886         dev_info->tx_offload_capa = OCTEONTX_TX_OFFLOADS;
 887         dev_info->rx_queue_offload_capa = OCTEONTX_RX_OFFLOADS;
 888         dev_info->tx_queue_offload_capa = OCTEONTX_TX_OFFLOADS;
 889
 890         return 0;
 891 }
 892
 893 static void
 894 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
 895 {
 896         ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
 897         ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
 898         ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
 899 }
 900
 901 static int
 902 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 903                                 uint16_t qidx)
 904 {
 905         struct octeontx_txq *txq;
 906         int res;
 907
 908         PMD_INIT_FUNC_TRACE();
 909
 910         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
 911                 return 0;
 912
 913         txq = dev->data->tx_queues[qidx];
 914
 915         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 916                                                 &txq->dq,
 917                                                 sizeof(octeontx_dq_t),
 918                                                 txq->queue_id,
 919                                                 octeontx_dq_info_getter);
 920         if (res < 0) {
 921                 res = -EFAULT;
 922                 goto close_port;
 923         }
 924
 925         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
 926         return res;
 927
 928 close_port:
 929         (void)octeontx_port_stop(nic);
 930         octeontx_pko_channel_stop(nic->base_ochan);
 931         octeontx_pko_channel_close(nic->base_ochan);
 932         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 933         return res;
 934 }
 935
 936 int
 937 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
 938 {
 939         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 940
 941         PMD_INIT_FUNC_TRACE();
 942         qidx = qidx % PKO_VF_NUM_DQ;
 943         return octeontx_vf_start_tx_queue(dev, nic, qidx);
 944 }
 945
 946 static inline int
 947 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 948                           uint16_t qidx)
 949 {
 950         int ret = 0;
 951
 952         RTE_SET_USED(nic);
 953         PMD_INIT_FUNC_TRACE();
 954
 955         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
 956                 return 0;
 957
 958         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 959         return ret;
 960 }
 961
 962 int
 963 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
 964 {
 965         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 966
 967         PMD_INIT_FUNC_TRACE();
 968         qidx = qidx % PKO_VF_NUM_DQ;
 969
 970         return octeontx_vf_stop_tx_queue(dev, nic, qidx);
 971 }
 972
 973 static void
 974 octeontx_dev_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
 975 {
 976         int res;
 977
 978         PMD_INIT_FUNC_TRACE();
 979
 980         if (dev->data->tx_queues[qid]) {
 981                 res = octeontx_dev_tx_queue_stop(dev, qid);
 982                 if (res < 0)
 983                         octeontx_log_err("failed stop tx_queue(%d)\n", qid);
 984
 985                 rte_free(dev->data->tx_queues[qid]);
 986         }
 987 }
 988
 989 static int
 990 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 991                             uint16_t nb_desc, unsigned int socket_id,
 992                             const struct rte_eth_txconf *tx_conf __rte_unused)
 993 {
 994         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 995         struct octeontx_txq *txq = NULL;
 996         uint16_t dq_num;
 997         int res = 0;
 998
 999         RTE_SET_USED(nb_desc);
1000         RTE_SET_USED(socket_id);
1001
1002         dq_num = (nic->pko_vfid * PKO_VF_NUM_DQ) + qidx;
1003
1004         /* Socket id check */
1005         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
1006                         socket_id != (unsigned int)nic->node)
1007                 PMD_TX_LOG(INFO, "socket_id expected %d, configured %d",
1008                                                 socket_id, nic->node);
1009
1010         /* Free memory prior to re-allocation if needed. */
1011         if (dev->data->tx_queues[qidx] != NULL) {
1012                 PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d",
1013                                 qidx);
1014                 octeontx_dev_tx_queue_release(dev, qidx);
1015                 dev->data->tx_queues[qidx] = NULL;
1016         }
1017
1018         /* Allocating tx queue data structure */
1019         txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq),
1020                                  RTE_CACHE_LINE_SIZE, nic->node);
1021         if (txq == NULL) {
1022                 octeontx_log_err("failed to allocate txq=%d", qidx);
1023                 res = -ENOMEM;
1024                 goto err;
1025         }
1026
1027         txq->eth_dev = dev;
1028         txq->queue_id = dq_num;
1029         dev->data->tx_queues[qidx] = txq;
1030         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1031
1032         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
1033                                                 &txq->dq,
1034                                                 sizeof(octeontx_dq_t),
1035                                                 txq->queue_id,
1036                                                 octeontx_dq_info_getter);
1037         if (res < 0) {
1038                 res = -EFAULT;
1039                 goto err;
1040         }
1041
1042         PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p",
1043                         qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va,
1044                         txq->dq.ioreg_va,
1045                         txq->dq.fc_status_va);
1046
1047         return res;
1048
1049 err:
1050         if (txq)
1051                 rte_free(txq);
1052
1053         return res;
1054 }
1055
1056 static int
1057 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
1058                                 uint16_t nb_desc, unsigned int socket_id,
1059                                 const struct rte_eth_rxconf *rx_conf,
1060                                 struct rte_mempool *mb_pool)
1061 {
1062         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
1063         struct rte_mempool_ops *mp_ops = NULL;
1064         struct octeontx_rxq *rxq = NULL;
1065         pki_pktbuf_cfg_t pktbuf_conf;
1066         pki_hash_cfg_t pki_hash;
1067         pki_qos_cfg_t pki_qos;
1068         uintptr_t pool;
1069         int ret, port;
1070         uint16_t gaura;
1071         unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx;
1072         unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx;
1073
1074         RTE_SET_USED(nb_desc);
1075
1076         memset(&pktbuf_conf, 0, sizeof(pktbuf_conf));
1077         memset(&pki_hash, 0, sizeof(pki_hash));
1078         memset(&pki_qos, 0, sizeof(pki_qos));
1079
1080         mp_ops = rte_mempool_get_ops(mb_pool->ops_index);
1081         if (strcmp(mp_ops->name, "octeontx_fpavf")) {
1082                 octeontx_log_err("failed to find octeontx_fpavf mempool");
1083                 return -ENOTSUP;
1084         }
1085
1086         /* Handle forbidden configurations */
1087         if (nic->pki.classifier_enable) {
1088                 octeontx_log_err("cannot setup queue %d. "
1089                                         "Classifier option unsupported", qidx);
1090                 return -EINVAL;
1091         }
1092
1093         port = nic->port_id;
1094
1095         /* Rx deferred start is not supported */
1096         if (rx_conf->rx_deferred_start) {
1097                 octeontx_log_err("rx deferred start not supported");
1098                 return -EINVAL;
1099         }
1100
1101         /* Verify queue index */
1102         if (qidx >= dev->data->nb_rx_queues) {
1103                 octeontx_log_err("QID %d not supporteded (0 - %d available)\n",
1104                                 qidx, (dev->data->nb_rx_queues - 1));
1105                 return -ENOTSUP;
1106         }
1107
1108         /* Socket id check */
1109         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
1110                         socket_id != (unsigned int)nic->node)
1111                 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d",
1112                                                 socket_id, nic->node);
1113
1114         /* Allocating rx queue data structure */
1115         rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq),
1116                                  RTE_CACHE_LINE_SIZE, nic->node);
1117         if (rxq == NULL) {
1118                 octeontx_log_err("failed to allocate rxq=%d", qidx);
1119                 return -ENOMEM;
1120         }
1121
1122         if (!nic->pki.initialized) {
1123                 pktbuf_conf.port_type = 0;
1124                 pki_hash.port_type = 0;
1125                 pki_qos.port_type = 0;
1126
1127                 pktbuf_conf.mmask.f_wqe_skip = 1;
1128                 pktbuf_conf.mmask.f_first_skip = 1;
1129                 pktbuf_conf.mmask.f_later_skip = 1;
1130                 pktbuf_conf.mmask.f_mbuff_size = 1;
1131                 pktbuf_conf.mmask.f_cache_mode = 1;
1132
1133                 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
1134                 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP(mb_pool);
1135                 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
1136                 pktbuf_conf.mbuff_size = (mb_pool->elt_size -
1137                                         RTE_PKTMBUF_HEADROOM -
1138                                         rte_pktmbuf_priv_size(mb_pool) -
1139                                         sizeof(struct rte_mbuf));
1140
1141                 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
1142
1143                 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
1144                 if (ret != 0) {
1145                         octeontx_log_err("fail to configure pktbuf for port %d",
1146                                         port);
1147                         rte_free(rxq);
1148                         return ret;
1149                 }
1150                 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
1151                                 "\tmbuf_size:\t0x%0x\n"
1152                                 "\twqe_skip:\t0x%0x\n"
1153                                 "\tfirst_skip:\t0x%0x\n"
1154                                 "\tlater_skip:\t0x%0x\n"
1155                                 "\tcache_mode:\t%s\n",
1156                                 port,
1157                                 pktbuf_conf.mbuff_size,
1158                                 pktbuf_conf.wqe_skip,
1159                                 pktbuf_conf.first_skip,
1160                                 pktbuf_conf.later_skip,
1161                                 (pktbuf_conf.cache_mode ==
1162                                                 PKI_OPC_MODE_STT) ?
1163                                 "STT" :
1164                                 (pktbuf_conf.cache_mode ==
1165                                                 PKI_OPC_MODE_STF) ?
1166                                 "STF" :
1167                                 (pktbuf_conf.cache_mode ==
1168                                                 PKI_OPC_MODE_STF1_STT) ?
1169                                 "STF1_STT" : "STF2_STT");
1170
1171                 if (nic->pki.hash_enable) {
1172                         pki_hash.tag_dlc = 1;
1173                         pki_hash.tag_slc = 1;
1174                         pki_hash.tag_dlf = 1;
1175                         pki_hash.tag_slf = 1;
1176                         pki_hash.tag_prt = 1;
1177                         octeontx_pki_port_hash_config(port, &pki_hash);
1178                 }
1179
1180                 pool = (uintptr_t)mb_pool->pool_id;
1181
1182                 /* Get the gaura Id */
1183                 gaura = octeontx_fpa_bufpool_gaura(pool);
1184
1185                 pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
1186                 pki_qos.num_entry = 1;
1187                 pki_qos.drop_policy = 0;
1188                 pki_qos.tag_type = 0L;
1189                 pki_qos.qos_entry[0].port_add = 0;
1190                 pki_qos.qos_entry[0].gaura = gaura;
1191                 pki_qos.qos_entry[0].ggrp_ok = ev_queues;
1192                 pki_qos.qos_entry[0].ggrp_bad = ev_queues;
1193                 pki_qos.qos_entry[0].grptag_bad = 0;
1194                 pki_qos.qos_entry[0].grptag_ok = 0;
1195
1196                 ret = octeontx_pki_port_create_qos(port, &pki_qos);
1197                 if (ret < 0) {
1198                         octeontx_log_err("failed to create QOS port=%d, q=%d",
1199                                         port, qidx);
1200                         rte_free(rxq);
1201                         return ret;
1202                 }
1203                 nic->pki.initialized = true;
1204         }
1205
1206         rxq->port_id = nic->port_id;
1207         rxq->eth_dev = dev;
1208         rxq->queue_id = qidx;
1209         rxq->evdev = nic->evdev;
1210         rxq->ev_queues = ev_queues;
1211         rxq->ev_ports = ev_ports;
1212         rxq->pool = mb_pool;
1213
1214         octeontx_recheck_rx_offloads(rxq);
1215         dev->data->rx_queues[qidx] = rxq;
1216         dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1217
1218         return 0;
1219 }
1220
1221 static void
1222 octeontx_dev_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
1223 {
1224         rte_free(dev->data->rx_queues[qid]);
1225 }
1226
1227 static const uint32_t *
1228 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
1229 {
1230         static const uint32_t ptypes[] = {
1231                 RTE_PTYPE_L3_IPV4,
1232                 RTE_PTYPE_L3_IPV4_EXT,
1233                 RTE_PTYPE_L3_IPV6,
1234                 RTE_PTYPE_L3_IPV6_EXT,
1235                 RTE_PTYPE_L4_TCP,
1236                 RTE_PTYPE_L4_UDP,
1237                 RTE_PTYPE_L4_FRAG,
1238                 RTE_PTYPE_UNKNOWN
1239         };
1240
1241         if (dev->rx_pkt_burst == octeontx_recv_pkts)
1242                 return ptypes;
1243
1244         return NULL;
1245 }
1246
1247 static int
1248 octeontx_pool_ops(struct rte_eth_dev *dev, const char *pool)
1249 {
1250         RTE_SET_USED(dev);
1251
1252         if (!strcmp(pool, "octeontx_fpavf"))
1253                 return 0;
1254
1255         return -ENOTSUP;
1256 }
1257
1258 /* Initialize and register driver with DPDK Application */
1259 static const struct eth_dev_ops octeontx_dev_ops = {
1260         .dev_configure           = octeontx_dev_configure,
1261         .dev_infos_get           = octeontx_dev_info,
1262         .dev_close               = octeontx_dev_close,
1263         .dev_start               = octeontx_dev_start,
1264         .dev_stop                = octeontx_dev_stop,
1265         .promiscuous_enable      = octeontx_dev_promisc_enable,
1266         .promiscuous_disable     = octeontx_dev_promisc_disable,
1267         .link_update             = octeontx_dev_link_update,
1268         .stats_get               = octeontx_dev_stats_get,
1269         .stats_reset             = octeontx_dev_stats_reset,
1270         .mac_addr_remove         = octeontx_dev_mac_addr_del,
1271         .mac_addr_add            = octeontx_dev_mac_addr_add,
1272         .mac_addr_set            = octeontx_dev_default_mac_addr_set,
1273         .vlan_offload_set        = octeontx_dev_vlan_offload_set,
1274         .vlan_filter_set         = octeontx_dev_vlan_filter_set,
1275         .tx_queue_start          = octeontx_dev_tx_queue_start,
1276         .tx_queue_stop           = octeontx_dev_tx_queue_stop,
1277         .tx_queue_setup          = octeontx_dev_tx_queue_setup,
1278         .tx_queue_release        = octeontx_dev_tx_queue_release,
1279         .rx_queue_setup          = octeontx_dev_rx_queue_setup,
1280         .rx_queue_release        = octeontx_dev_rx_queue_release,
1281         .dev_set_link_up          = octeontx_dev_set_link_up,
1282         .dev_set_link_down        = octeontx_dev_set_link_down,
1283         .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
1284         .mtu_set                 = octeontx_dev_mtu_set,
1285         .pool_ops_supported      = octeontx_pool_ops,
1286         .flow_ctrl_get           = octeontx_dev_flow_ctrl_get,
1287         .flow_ctrl_set           = octeontx_dev_flow_ctrl_set,
1288 };
1289
1290 /* Create Ethdev interface per BGX LMAC ports */
1291 static int
1292 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
1293                         int socket_id)
1294 {
1295         int res;
1296         size_t pko_vfid;
1297         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1298         struct octeontx_nic *nic = NULL;
1299         struct rte_eth_dev *eth_dev = NULL;
1300         struct rte_eth_dev_data *data;
1301         const char *name = rte_vdev_device_name(dev);
1302         int max_entries;
1303
1304         PMD_INIT_FUNC_TRACE();
1305
1306         sprintf(octtx_name, "%s_%d", name, port);
1307         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1308                 eth_dev = rte_eth_dev_attach_secondary(octtx_name);
1309                 if (eth_dev == NULL)
1310                         return -ENODEV;
1311
1312                 eth_dev->dev_ops = &octeontx_dev_ops;
1313                 eth_dev->device = &dev->device;
1314                 octeontx_set_tx_function(eth_dev);
1315                 eth_dev->rx_pkt_burst = octeontx_recv_pkts;
1316                 rte_eth_dev_probing_finish(eth_dev);
1317                 return 0;
1318         }
1319
1320         /* Reserve an ethdev entry */
1321         eth_dev = rte_eth_dev_allocate(octtx_name);
1322         if (eth_dev == NULL) {
1323                 octeontx_log_err("failed to allocate rte_eth_dev");
1324                 res = -ENOMEM;
1325                 goto err;
1326         }
1327         data = eth_dev->data;
1328
1329         nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
1330         if (nic == NULL) {
1331                 octeontx_log_err("failed to allocate nic structure");
1332                 res = -ENOMEM;
1333                 goto err;
1334         }
1335         data->dev_private = nic;
1336         pko_vfid = octeontx_pko_get_vfid();
1337
1338         if (pko_vfid == SIZE_MAX) {
1339                 octeontx_log_err("failed to get pko vfid");
1340                 res = -ENODEV;
1341                 goto err;
1342         }
1343
1344         nic->pko_vfid = pko_vfid;
1345         nic->port_id = port;
1346         nic->evdev = evdev;
1347
1348         res = octeontx_port_open(nic);
1349         if (res < 0)
1350                 goto err;
1351
1352         /* Rx side port configuration */
1353         res = octeontx_pki_port_open(port);
1354         if (res != 0) {
1355                 octeontx_log_err("failed to open PKI port %d", port);
1356                 res = -ENODEV;
1357                 goto err;
1358         }
1359
1360         eth_dev->device = &dev->device;
1361         eth_dev->intr_handle = NULL;
1362         eth_dev->data->numa_node = dev->device.numa_node;
1363
1364         data->port_id = eth_dev->data->port_id;
1365
1366         nic->ev_queues = 1;
1367         nic->ev_ports = 1;
1368         nic->print_flag = -1;
1369
1370         data->dev_link.link_status = ETH_LINK_DOWN;
1371         data->dev_started = 0;
1372         data->promiscuous = 0;
1373         data->all_multicast = 0;
1374         data->scattered_rx = 0;
1375
1376         /* Get maximum number of supported MAC entries */
1377         max_entries = octeontx_bgx_port_mac_entries_get(nic->port_id);
1378         if (max_entries < 0) {
1379                 octeontx_log_err("Failed to get max entries for mac addr");
1380                 res = -ENOTSUP;
1381                 goto err;
1382         }
1383
1384         data->mac_addrs = rte_zmalloc_socket(octtx_name, max_entries *
1385                                              RTE_ETHER_ADDR_LEN, 0,
1386                                                         socket_id);
1387         if (data->mac_addrs == NULL) {
1388                 octeontx_log_err("failed to allocate memory for mac_addrs");
1389                 res = -ENOMEM;
1390                 goto err;
1391         }
1392
1393         eth_dev->dev_ops = &octeontx_dev_ops;
1394
1395         /* Finally save ethdev pointer to the NIC structure */
1396         nic->dev = eth_dev;
1397
1398         if (nic->port_id != data->port_id) {
1399                 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
1400                                 data->port_id, nic->port_id);
1401                 res = -EINVAL;
1402                 goto free_mac_addrs;
1403         }
1404
1405         res = rte_eal_alarm_set(OCCTX_INTR_POLL_INTERVAL_MS * 1000,
1406                                 octeontx_link_status_poll, nic);
1407         if (res) {
1408                 octeontx_log_err("Failed to start link polling alarm");
1409                 goto err;
1410         }
1411
1412         /* Update port_id mac to eth_dev */
1413         memcpy(data->mac_addrs, nic->mac_addr, RTE_ETHER_ADDR_LEN);
1414
1415         /* Update same mac address to BGX CAM table at index 0 */
1416         octeontx_bgx_port_mac_add(nic->port_id, nic->mac_addr, 0);
1417
1418         res = octeontx_dev_flow_ctrl_init(eth_dev);
1419         if (res < 0)
1420                 goto err;
1421
1422         PMD_INIT_LOG(DEBUG, "ethdev info: ");
1423         PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
1424                                 nic->port_id, nic->port_ena,
1425                                 nic->base_ochan, nic->num_ochans,
1426                                 nic->num_tx_queues);
1427         PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->bgx_mtu);
1428
1429         rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7]
1430                 [(nic->base_ochan >> 4) & 0xF] = data->port_id;
1431
1432         rte_eth_dev_probing_finish(eth_dev);
1433         return data->port_id;
1434
1435 free_mac_addrs:
1436         rte_free(data->mac_addrs);
1437         data->mac_addrs = NULL;
1438 err:
1439         if (nic)
1440                 octeontx_port_close(nic);
1441
1442         rte_eth_dev_release_port(eth_dev);
1443
1444         return res;
1445 }
1446
1447 /* Un initialize octeontx device */
1448 static int
1449 octeontx_remove(struct rte_vdev_device *dev)
1450 {
1451         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1452         struct rte_eth_dev *eth_dev = NULL;
1453         struct octeontx_nic *nic = NULL;
1454         int i;
1455
1456         if (dev == NULL)
1457                 return -EINVAL;
1458
1459         for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
1460                 sprintf(octtx_name, "eth_octeontx_%d", i);
1461
1462                 eth_dev = rte_eth_dev_allocated(octtx_name);
1463                 if (eth_dev == NULL)
1464                         continue; /* port already released */
1465
1466                 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1467                         rte_eth_dev_release_port(eth_dev);
1468                         continue;
1469                 }
1470
1471                 nic = octeontx_pmd_priv(eth_dev);
1472                 rte_event_dev_stop(nic->evdev);
1473                 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
1474                 octeontx_dev_close(eth_dev);
1475                 rte_eth_dev_release_port(eth_dev);
1476         }
1477
1478         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1479                 return 0;
1480
1481         /* Free FC resource */
1482         octeontx_pko_fc_free();
1483
1484         return 0;
1485 }
1486
1487 /* Initialize octeontx device */
1488 static int
1489 octeontx_probe(struct rte_vdev_device *dev)
1490 {
1491         const char *dev_name;
1492         static int probe_once;
1493         uint8_t socket_id, qlist;
1494         int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
1495         struct rte_event_dev_config dev_conf;
1496         const char *eventdev_name = "event_octeontx";
1497         struct rte_event_dev_info info;
1498         struct rte_eth_dev *eth_dev;
1499
1500         struct octeontx_vdev_init_params init_params = {
1501                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
1502         };
1503
1504         dev_name = rte_vdev_device_name(dev);
1505
1506         if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
1507             strlen(rte_vdev_device_args(dev)) == 0) {
1508                 eth_dev = rte_eth_dev_attach_secondary(dev_name);
1509                 if (!eth_dev) {
1510                         PMD_INIT_LOG(ERR, "Failed to probe %s", dev_name);
1511                         return -1;
1512                 }
1513                 /* TODO: request info from primary to set up Rx and Tx */
1514                 eth_dev->dev_ops = &octeontx_dev_ops;
1515                 eth_dev->device = &dev->device;
1516                 rte_eth_dev_probing_finish(eth_dev);
1517                 return 0;
1518         }
1519
1520         res = octeontx_parse_vdev_init_params(&init_params, dev);
1521         if (res < 0)
1522                 return -EINVAL;
1523
1524         if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
1525                 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
1526                                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
1527                 return -ENOTSUP;
1528         }
1529
1530         PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
1531
1532         socket_id = rte_socket_id();
1533
1534         tx_vfcnt = octeontx_pko_vf_count();
1535
1536         if (tx_vfcnt < init_params.nr_port) {
1537                 octeontx_log_err("not enough PKO (%d) for port number (%d)",
1538                                 tx_vfcnt, init_params.nr_port);
1539                 return -EINVAL;
1540         }
1541         evdev = rte_event_dev_get_dev_id(eventdev_name);
1542         if (evdev < 0) {
1543                 octeontx_log_err("eventdev %s not found", eventdev_name);
1544                 return -ENODEV;
1545         }
1546
1547         res = rte_event_dev_info_get(evdev, &info);
1548         if (res < 0) {
1549                 octeontx_log_err("failed to eventdev info %d", res);
1550                 return -EINVAL;
1551         }
1552
1553         PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
1554                         info.max_event_queues, info.max_event_ports);
1555
1556         if (octeontx_pko_init_fc(tx_vfcnt))
1557                 return -ENOMEM;
1558
1559         devconf_set_default_sane_values(&dev_conf, &info);
1560         res = rte_event_dev_configure(evdev, &dev_conf);
1561         if (res < 0)
1562                 goto parse_error;
1563
1564         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
1565                         (uint32_t *)&pnum);
1566         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
1567                         (uint32_t *)&qnum);
1568         if (pnum < qnum) {
1569                 octeontx_log_err("too few event ports (%d) for event_q(%d)",
1570                                 pnum, qnum);
1571                 res = -EINVAL;
1572                 goto parse_error;
1573         }
1574
1575         /* Enable all queues available */
1576         for (i = 0; i < qnum; i++) {
1577                 res = rte_event_queue_setup(evdev, i, NULL);
1578                 if (res < 0) {
1579                         octeontx_log_err("failed to setup event_q(%d): res %d",
1580                                         i, res);
1581                         goto parse_error;
1582                 }
1583         }
1584
1585         /* Enable all ports available */
1586         for (i = 0; i < pnum; i++) {
1587                 res = rte_event_port_setup(evdev, i, NULL);
1588                 if (res < 0) {
1589                         res = -ENODEV;
1590                         octeontx_log_err("failed to setup ev port(%d) res=%d",
1591                                                 i, res);
1592                         goto parse_error;
1593                 }
1594         }
1595
1596         /*
1597          * Do 1:1 links for ports & queues. All queues would be mapped to
1598          * one port. If there are more ports than queues, then some ports
1599          * won't be linked to any queue.
1600          */
1601         for (i = 0; i < qnum; i++) {
1602                 /* Link one queue to one event port */
1603                 qlist = i;
1604                 res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
1605                 if (res < 0) {
1606                         res = -ENODEV;
1607                         octeontx_log_err("failed to link port (%d): res=%d",
1608                                         i, res);
1609                         goto parse_error;
1610                 }
1611         }
1612
1613         /* Create ethdev interface */
1614         for (i = 0; i < init_params.nr_port; i++) {
1615                 port_id = octeontx_create(dev, i, evdev, socket_id);
1616                 if (port_id < 0) {
1617                         octeontx_log_err("failed to create device %s",
1618                                         dev_name);
1619                         res = -ENODEV;
1620                         goto parse_error;
1621                 }
1622
1623                 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
1624                                         port_id);
1625         }
1626
1627         if (probe_once) {
1628                 octeontx_log_err("interface %s not supported", dev_name);
1629                 octeontx_remove(dev);
1630                 res = -ENOTSUP;
1631                 goto parse_error;
1632         }
1633         rte_mbuf_set_platform_mempool_ops("octeontx_fpavf");
1634         probe_once = 1;
1635
1636         return 0;
1637
1638 parse_error:
1639         octeontx_pko_fc_free();
1640         return res;
1641 }
1642
1643 static struct rte_vdev_driver octeontx_pmd_drv = {
1644         .probe = octeontx_probe,
1645         .remove = octeontx_remove,
1646 };
1647
1648 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
1649 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
1650 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");