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