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         buffsz = data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
 528
 529         /* Refuse MTU that requires the support of scattered packets
 530          * when this feature has not been enabled before.
 531          */
 532         if (data->dev_started && frame_size > buffsz &&
 533             !(nic->rx_offloads & DEV_RX_OFFLOAD_SCATTER)) {
 534                 octeontx_log_err("Scatter mode is disabled");
 535                 return -EINVAL;
 536         }
 537
 538         /* Check <seg size> * <max_seg>  >= max_frame */
 539         if ((nic->rx_offloads & DEV_RX_OFFLOAD_SCATTER) &&
 540             (frame_size > buffsz * OCCTX_RX_NB_SEG_MAX))
 541                 return -EINVAL;
 542
 543         rc = octeontx_pko_send_mtu(nic->port_id, frame_size);
 544         if (rc)
 545                 return rc;
 546
 547         rc = octeontx_bgx_port_mtu_set(nic->port_id, frame_size);
 548         if (rc)
 549                 return rc;
 550
 551         octeontx_log_info("Received pkt beyond  maxlen %d will be dropped",
 552                           frame_size);
 553
 554         return rc;
 555 }
 556
 557 static int
 558 octeontx_recheck_rx_offloads(struct octeontx_rxq *rxq)
 559 {
 560         struct rte_eth_dev *eth_dev = rxq->eth_dev;
 561         struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
 562         struct rte_eth_dev_data *data = eth_dev->data;
 563         struct rte_pktmbuf_pool_private *mbp_priv;
 564         struct evdev_priv_data *evdev_priv;
 565         struct rte_eventdev *dev;
 566         uint32_t buffsz;
 567
 568         /* Get rx buffer size */
 569         mbp_priv = rte_mempool_get_priv(rxq->pool);
 570         buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
 571
 572         /* Setup scatter mode if needed by jumbo */
 573         if (data->mtu > buffsz) {
 574                 nic->rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
 575                 nic->rx_offload_flags |= octeontx_rx_offload_flags(eth_dev);
 576                 nic->tx_offload_flags |= octeontx_tx_offload_flags(eth_dev);
 577         }
 578
 579         /* Sharing offload flags via eventdev priv region */
 580         dev = &rte_eventdevs[rxq->evdev];
 581         evdev_priv = dev->data->dev_private;
 582         evdev_priv->rx_offload_flags = nic->rx_offload_flags;
 583         evdev_priv->tx_offload_flags = nic->tx_offload_flags;
 584
 585         /* Setup MTU */
 586         nic->mtu = data->mtu;
 587
 588         return 0;
 589 }
 590
 591 static int
 592 octeontx_dev_start(struct rte_eth_dev *dev)
 593 {
 594         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 595         struct octeontx_rxq *rxq;
 596         int ret, i;
 597
 598         PMD_INIT_FUNC_TRACE();
 599         /* Rechecking if any new offload set to update
 600          * rx/tx burst function pointer accordingly.
 601          */
 602         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 603                 rxq = dev->data->rx_queues[i];
 604                 octeontx_recheck_rx_offloads(rxq);
 605         }
 606
 607         /* Setting up the mtu */
 608         ret = octeontx_dev_mtu_set(dev, nic->mtu);
 609         if (ret) {
 610                 octeontx_log_err("Failed to set default MTU size %d", ret);
 611                 goto error;
 612         }
 613
 614         /*
 615          * Tx start
 616          */
 617         octeontx_set_tx_function(dev);
 618         ret = octeontx_pko_channel_start(nic->base_ochan);
 619         if (ret < 0) {
 620                 octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
 621                            nic->port_id, nic->num_tx_queues, nic->base_ochan,
 622                            ret);
 623                 goto error;
 624         }
 625
 626         /*
 627          * Rx start
 628          */
 629         dev->rx_pkt_burst = octeontx_recv_pkts;
 630         ret = octeontx_pki_port_start(nic->port_id);
 631         if (ret < 0) {
 632                 octeontx_log_err("fail to start Rx on port %d", nic->port_id);
 633                 goto channel_stop_error;
 634         }
 635
 636         /*
 637          * Start port
 638          */
 639         ret = octeontx_port_start(nic);
 640         if (ret < 0) {
 641                 octeontx_log_err("failed start port %d", ret);
 642                 goto pki_port_stop_error;
 643         }
 644
 645         PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
 646                         nic->base_ochan, nic->num_tx_queues, nic->port_id);
 647
 648         ret = rte_event_dev_start(nic->evdev);
 649         if (ret < 0) {
 650                 octeontx_log_err("failed to start evdev: ret (%d)", ret);
 651                 goto pki_port_stop_error;
 652         }
 653
 654         /* Success */
 655         return ret;
 656
 657 pki_port_stop_error:
 658         octeontx_pki_port_stop(nic->port_id);
 659 channel_stop_error:
 660         octeontx_pko_channel_stop(nic->base_ochan);
 661 error:
 662         return ret;
 663 }
 664
 665 static int
 666 octeontx_dev_stop(struct rte_eth_dev *dev)
 667 {
 668         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 669         int ret;
 670
 671         PMD_INIT_FUNC_TRACE();
 672
 673         rte_event_dev_stop(nic->evdev);
 674
 675         ret = octeontx_port_stop(nic);
 676         if (ret < 0) {
 677                 octeontx_log_err("failed to req stop port %d res=%d",
 678                                         nic->port_id, ret);
 679                 return ret;
 680         }
 681
 682         ret = octeontx_pki_port_stop(nic->port_id);
 683         if (ret < 0) {
 684                 octeontx_log_err("failed to stop pki port %d res=%d",
 685                                         nic->port_id, ret);
 686                 return ret;
 687         }
 688
 689         ret = octeontx_pko_channel_stop(nic->base_ochan);
 690         if (ret < 0) {
 691                 octeontx_log_err("failed to stop channel %d VF%d %d %d",
 692                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 693                              ret);
 694                 return ret;
 695         }
 696
 697         return 0;
 698 }
 699
 700 static int
 701 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
 702 {
 703         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 704
 705         PMD_INIT_FUNC_TRACE();
 706         return octeontx_port_promisc_set(nic, 1);
 707 }
 708
 709 static int
 710 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
 711 {
 712         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 713
 714         PMD_INIT_FUNC_TRACE();
 715         return octeontx_port_promisc_set(nic, 0);
 716 }
 717
 718 static int
 719 octeontx_port_link_status(struct octeontx_nic *nic)
 720 {
 721         int res;
 722
 723         PMD_INIT_FUNC_TRACE();
 724         res = octeontx_bgx_port_link_status(nic->port_id);
 725         if (res < 0) {
 726                 octeontx_log_err("failed to get port %d link status",
 727                                 nic->port_id);
 728                 return res;
 729         }
 730
 731         if (nic->link_up != (uint8_t)res || nic->print_flag == -1) {
 732                 nic->link_up = (uint8_t)res;
 733                 nic->print_flag = 1;
 734         }
 735         octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
 736
 737         return res;
 738 }
 739
 740 /*
 741  * Return 0 means link status changed, -1 means not changed
 742  */
 743 static int
 744 octeontx_dev_link_update(struct rte_eth_dev *dev,
 745                          int wait_to_complete __rte_unused)
 746 {
 747         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 748         struct rte_eth_link link;
 749         int res;
 750
 751         PMD_INIT_FUNC_TRACE();
 752
 753         res = octeontx_port_link_status(nic);
 754         if (res < 0) {
 755                 octeontx_log_err("failed to request link status %d", res);
 756                 return res;
 757         }
 758
 759         octeontx_link_status_update(nic, &link);
 760         if (nic->print_flag) {
 761                 octeontx_link_status_print(nic->dev, &link);
 762                 nic->print_flag = 0;
 763         }
 764
 765         return rte_eth_linkstatus_set(dev, &link);
 766 }
 767
 768 static int
 769 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 770 {
 771         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 772
 773         PMD_INIT_FUNC_TRACE();
 774         return octeontx_port_stats(nic, stats);
 775 }
 776
 777 static int
 778 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
 779 {
 780         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 781
 782         PMD_INIT_FUNC_TRACE();
 783         return octeontx_port_stats_clr(nic);
 784 }
 785
 786 static void
 787 octeontx_dev_mac_addr_del(struct rte_eth_dev *dev, uint32_t index)
 788 {
 789         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 790         int ret;
 791
 792         ret = octeontx_bgx_port_mac_del(nic->port_id, index);
 793         if (ret != 0)
 794                 octeontx_log_err("failed to del MAC address filter on port %d",
 795                                  nic->port_id);
 796 }
 797
 798 static int
 799 octeontx_dev_mac_addr_add(struct rte_eth_dev *dev,
 800                           struct rte_ether_addr *mac_addr,
 801                           uint32_t index,
 802                           __rte_unused uint32_t vmdq)
 803 {
 804         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 805         int ret;
 806
 807         ret = octeontx_bgx_port_mac_add(nic->port_id, mac_addr->addr_bytes,
 808                                         index);
 809         if (ret < 0) {
 810                 octeontx_log_err("failed to add MAC address filter on port %d",
 811                                  nic->port_id);
 812                 return ret;
 813         }
 814
 815         return 0;
 816 }
 817
 818 static int
 819 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
 820                                         struct rte_ether_addr *addr)
 821 {
 822         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 823         int ret;
 824
 825         ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
 826         if (ret == 0) {
 827                 /* Update same mac address to BGX CAM table */
 828                 ret = octeontx_bgx_port_mac_add(nic->port_id, addr->addr_bytes,
 829                                                 0);
 830         }
 831         if (ret < 0) {
 832                 octeontx_log_err("failed to set MAC address on port %d",
 833                                  nic->port_id);
 834         }
 835
 836         return ret;
 837 }
 838
 839 static int
 840 octeontx_dev_info(struct rte_eth_dev *dev,
 841                 struct rte_eth_dev_info *dev_info)
 842 {
 843         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 844
 845         /* Autonegotiation may be disabled */
 846         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
 847         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
 848                         ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
 849                         ETH_LINK_SPEED_40G;
 850
 851         /* Min/Max MTU supported */
 852         dev_info->min_rx_bufsize = OCCTX_MIN_FRS;
 853         dev_info->max_rx_pktlen = OCCTX_MAX_FRS;
 854         dev_info->max_mtu = dev_info->max_rx_pktlen - OCCTX_L2_OVERHEAD;
 855         dev_info->min_mtu = dev_info->min_rx_bufsize - OCCTX_L2_OVERHEAD;
 856
 857         dev_info->max_mac_addrs =
 858                                 octeontx_bgx_port_mac_entries_get(nic->port_id);
 859         dev_info->max_rx_queues = 1;
 860         dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
 861         dev_info->min_rx_bufsize = 0;
 862
 863         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 864                 .rx_free_thresh = 0,
 865                 .rx_drop_en = 0,
 866                 .offloads = OCTEONTX_RX_OFFLOADS,
 867         };
 868
 869         dev_info->default_txconf = (struct rte_eth_txconf) {
 870                 .tx_free_thresh = 0,
 871                 .offloads = OCTEONTX_TX_OFFLOADS,
 872         };
 873
 874         dev_info->rx_offload_capa = OCTEONTX_RX_OFFLOADS;
 875         dev_info->tx_offload_capa = OCTEONTX_TX_OFFLOADS;
 876         dev_info->rx_queue_offload_capa = OCTEONTX_RX_OFFLOADS;
 877         dev_info->tx_queue_offload_capa = OCTEONTX_TX_OFFLOADS;
 878
 879         return 0;
 880 }
 881
 882 static void
 883 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
 884 {
 885         ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
 886         ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
 887         ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
 888 }
 889
 890 static int
 891 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 892                                 uint16_t qidx)
 893 {
 894         struct octeontx_txq *txq;
 895         int res;
 896
 897         PMD_INIT_FUNC_TRACE();
 898
 899         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
 900                 return 0;
 901
 902         txq = dev->data->tx_queues[qidx];
 903
 904         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 905                                                 &txq->dq,
 906                                                 sizeof(octeontx_dq_t),
 907                                                 txq->queue_id,
 908                                                 octeontx_dq_info_getter);
 909         if (res < 0) {
 910                 res = -EFAULT;
 911                 goto close_port;
 912         }
 913
 914         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
 915         return res;
 916
 917 close_port:
 918         (void)octeontx_port_stop(nic);
 919         octeontx_pko_channel_stop(nic->base_ochan);
 920         octeontx_pko_channel_close(nic->base_ochan);
 921         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 922         return res;
 923 }
 924
 925 int
 926 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
 927 {
 928         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 929
 930         PMD_INIT_FUNC_TRACE();
 931         qidx = qidx % PKO_VF_NUM_DQ;
 932         return octeontx_vf_start_tx_queue(dev, nic, qidx);
 933 }
 934
 935 static inline int
 936 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 937                           uint16_t qidx)
 938 {
 939         int ret = 0;
 940
 941         RTE_SET_USED(nic);
 942         PMD_INIT_FUNC_TRACE();
 943
 944         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
 945                 return 0;
 946
 947         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 948         return ret;
 949 }
 950
 951 int
 952 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
 953 {
 954         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 955
 956         PMD_INIT_FUNC_TRACE();
 957         qidx = qidx % PKO_VF_NUM_DQ;
 958
 959         return octeontx_vf_stop_tx_queue(dev, nic, qidx);
 960 }
 961
 962 static void
 963 octeontx_dev_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
 964 {
 965         int res;
 966
 967         PMD_INIT_FUNC_TRACE();
 968
 969         if (dev->data->tx_queues[qid]) {
 970                 res = octeontx_dev_tx_queue_stop(dev, qid);
 971                 if (res < 0)
 972                         octeontx_log_err("failed stop tx_queue(%d)\n", qid);
 973
 974                 rte_free(dev->data->tx_queues[qid]);
 975         }
 976 }
 977
 978 static int
 979 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 980                             uint16_t nb_desc, unsigned int socket_id,
 981                             const struct rte_eth_txconf *tx_conf __rte_unused)
 982 {
 983         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 984         struct octeontx_txq *txq = NULL;
 985         uint16_t dq_num;
 986         int res = 0;
 987
 988         RTE_SET_USED(nb_desc);
 989         RTE_SET_USED(socket_id);
 990
 991         dq_num = (nic->pko_vfid * PKO_VF_NUM_DQ) + qidx;
 992
 993         /* Socket id check */
 994         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 995                         socket_id != (unsigned int)nic->node)
 996                 PMD_TX_LOG(INFO, "socket_id expected %d, configured %d",
 997                                                 socket_id, nic->node);
 998
 999         /* Free memory prior to re-allocation if needed. */
1000         if (dev->data->tx_queues[qidx] != NULL) {
1001                 PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d",
1002                                 qidx);
1003                 octeontx_dev_tx_queue_release(dev, qidx);
1004                 dev->data->tx_queues[qidx] = NULL;
1005         }
1006
1007         /* Allocating tx queue data structure */
1008         txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq),
1009                                  RTE_CACHE_LINE_SIZE, nic->node);
1010         if (txq == NULL) {
1011                 octeontx_log_err("failed to allocate txq=%d", qidx);
1012                 res = -ENOMEM;
1013                 goto err;
1014         }
1015
1016         txq->eth_dev = dev;
1017         txq->queue_id = dq_num;
1018         dev->data->tx_queues[qidx] = txq;
1019         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1020
1021         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
1022                                                 &txq->dq,
1023                                                 sizeof(octeontx_dq_t),
1024                                                 txq->queue_id,
1025                                                 octeontx_dq_info_getter);
1026         if (res < 0) {
1027                 res = -EFAULT;
1028                 goto err;
1029         }
1030
1031         PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p",
1032                         qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va,
1033                         txq->dq.ioreg_va,
1034                         txq->dq.fc_status_va);
1035
1036         return res;
1037
1038 err:
1039         if (txq)
1040                 rte_free(txq);
1041
1042         return res;
1043 }
1044
1045 static int
1046 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
1047                                 uint16_t nb_desc, unsigned int socket_id,
1048                                 const struct rte_eth_rxconf *rx_conf,
1049                                 struct rte_mempool *mb_pool)
1050 {
1051         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
1052         struct rte_mempool_ops *mp_ops = NULL;
1053         struct octeontx_rxq *rxq = NULL;
1054         pki_pktbuf_cfg_t pktbuf_conf;
1055         pki_hash_cfg_t pki_hash;
1056         pki_qos_cfg_t pki_qos;
1057         uintptr_t pool;
1058         int ret, port;
1059         uint16_t gaura;
1060         unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx;
1061         unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx;
1062
1063         RTE_SET_USED(nb_desc);
1064
1065         memset(&pktbuf_conf, 0, sizeof(pktbuf_conf));
1066         memset(&pki_hash, 0, sizeof(pki_hash));
1067         memset(&pki_qos, 0, sizeof(pki_qos));
1068
1069         mp_ops = rte_mempool_get_ops(mb_pool->ops_index);
1070         if (strcmp(mp_ops->name, "octeontx_fpavf")) {
1071                 octeontx_log_err("failed to find octeontx_fpavf mempool");
1072                 return -ENOTSUP;
1073         }
1074
1075         /* Handle forbidden configurations */
1076         if (nic->pki.classifier_enable) {
1077                 octeontx_log_err("cannot setup queue %d. "
1078                                         "Classifier option unsupported", qidx);
1079                 return -EINVAL;
1080         }
1081
1082         port = nic->port_id;
1083
1084         /* Rx deferred start is not supported */
1085         if (rx_conf->rx_deferred_start) {
1086                 octeontx_log_err("rx deferred start not supported");
1087                 return -EINVAL;
1088         }
1089
1090         /* Verify queue index */
1091         if (qidx >= dev->data->nb_rx_queues) {
1092                 octeontx_log_err("QID %d not supporteded (0 - %d available)\n",
1093                                 qidx, (dev->data->nb_rx_queues - 1));
1094                 return -ENOTSUP;
1095         }
1096
1097         /* Socket id check */
1098         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
1099                         socket_id != (unsigned int)nic->node)
1100                 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d",
1101                                                 socket_id, nic->node);
1102
1103         /* Allocating rx queue data structure */
1104         rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq),
1105                                  RTE_CACHE_LINE_SIZE, nic->node);
1106         if (rxq == NULL) {
1107                 octeontx_log_err("failed to allocate rxq=%d", qidx);
1108                 return -ENOMEM;
1109         }
1110
1111         if (!nic->pki.initialized) {
1112                 pktbuf_conf.port_type = 0;
1113                 pki_hash.port_type = 0;
1114                 pki_qos.port_type = 0;
1115
1116                 pktbuf_conf.mmask.f_wqe_skip = 1;
1117                 pktbuf_conf.mmask.f_first_skip = 1;
1118                 pktbuf_conf.mmask.f_later_skip = 1;
1119                 pktbuf_conf.mmask.f_mbuff_size = 1;
1120                 pktbuf_conf.mmask.f_cache_mode = 1;
1121
1122                 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
1123                 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP(mb_pool);
1124                 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
1125                 pktbuf_conf.mbuff_size = (mb_pool->elt_size -
1126                                         RTE_PKTMBUF_HEADROOM -
1127                                         rte_pktmbuf_priv_size(mb_pool) -
1128                                         sizeof(struct rte_mbuf));
1129
1130                 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
1131
1132                 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
1133                 if (ret != 0) {
1134                         octeontx_log_err("fail to configure pktbuf for port %d",
1135                                         port);
1136                         rte_free(rxq);
1137                         return ret;
1138                 }
1139                 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
1140                                 "\tmbuf_size:\t0x%0x\n"
1141                                 "\twqe_skip:\t0x%0x\n"
1142                                 "\tfirst_skip:\t0x%0x\n"
1143                                 "\tlater_skip:\t0x%0x\n"
1144                                 "\tcache_mode:\t%s\n",
1145                                 port,
1146                                 pktbuf_conf.mbuff_size,
1147                                 pktbuf_conf.wqe_skip,
1148                                 pktbuf_conf.first_skip,
1149                                 pktbuf_conf.later_skip,
1150                                 (pktbuf_conf.cache_mode ==
1151                                                 PKI_OPC_MODE_STT) ?
1152                                 "STT" :
1153                                 (pktbuf_conf.cache_mode ==
1154                                                 PKI_OPC_MODE_STF) ?
1155                                 "STF" :
1156                                 (pktbuf_conf.cache_mode ==
1157                                                 PKI_OPC_MODE_STF1_STT) ?
1158                                 "STF1_STT" : "STF2_STT");
1159
1160                 if (nic->pki.hash_enable) {
1161                         pki_hash.tag_dlc = 1;
1162                         pki_hash.tag_slc = 1;
1163                         pki_hash.tag_dlf = 1;
1164                         pki_hash.tag_slf = 1;
1165                         pki_hash.tag_prt = 1;
1166                         octeontx_pki_port_hash_config(port, &pki_hash);
1167                 }
1168
1169                 pool = (uintptr_t)mb_pool->pool_id;
1170
1171                 /* Get the gaura Id */
1172                 gaura = octeontx_fpa_bufpool_gaura(pool);
1173
1174                 pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
1175                 pki_qos.num_entry = 1;
1176                 pki_qos.drop_policy = 0;
1177                 pki_qos.tag_type = 0L;
1178                 pki_qos.qos_entry[0].port_add = 0;
1179                 pki_qos.qos_entry[0].gaura = gaura;
1180                 pki_qos.qos_entry[0].ggrp_ok = ev_queues;
1181                 pki_qos.qos_entry[0].ggrp_bad = ev_queues;
1182                 pki_qos.qos_entry[0].grptag_bad = 0;
1183                 pki_qos.qos_entry[0].grptag_ok = 0;
1184
1185                 ret = octeontx_pki_port_create_qos(port, &pki_qos);
1186                 if (ret < 0) {
1187                         octeontx_log_err("failed to create QOS port=%d, q=%d",
1188                                         port, qidx);
1189                         rte_free(rxq);
1190                         return ret;
1191                 }
1192                 nic->pki.initialized = true;
1193         }
1194
1195         rxq->port_id = nic->port_id;
1196         rxq->eth_dev = dev;
1197         rxq->queue_id = qidx;
1198         rxq->evdev = nic->evdev;
1199         rxq->ev_queues = ev_queues;
1200         rxq->ev_ports = ev_ports;
1201         rxq->pool = mb_pool;
1202
1203         octeontx_recheck_rx_offloads(rxq);
1204         dev->data->rx_queues[qidx] = rxq;
1205         dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1206
1207         return 0;
1208 }
1209
1210 static void
1211 octeontx_dev_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
1212 {
1213         rte_free(dev->data->rx_queues[qid]);
1214 }
1215
1216 static const uint32_t *
1217 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
1218 {
1219         static const uint32_t ptypes[] = {
1220                 RTE_PTYPE_L3_IPV4,
1221                 RTE_PTYPE_L3_IPV4_EXT,
1222                 RTE_PTYPE_L3_IPV6,
1223                 RTE_PTYPE_L3_IPV6_EXT,
1224                 RTE_PTYPE_L4_TCP,
1225                 RTE_PTYPE_L4_UDP,
1226                 RTE_PTYPE_L4_FRAG,
1227                 RTE_PTYPE_UNKNOWN
1228         };
1229
1230         if (dev->rx_pkt_burst == octeontx_recv_pkts)
1231                 return ptypes;
1232
1233         return NULL;
1234 }
1235
1236 static int
1237 octeontx_pool_ops(struct rte_eth_dev *dev, const char *pool)
1238 {
1239         RTE_SET_USED(dev);
1240
1241         if (!strcmp(pool, "octeontx_fpavf"))
1242                 return 0;
1243
1244         return -ENOTSUP;
1245 }
1246
1247 /* Initialize and register driver with DPDK Application */
1248 static const struct eth_dev_ops octeontx_dev_ops = {
1249         .dev_configure           = octeontx_dev_configure,
1250         .dev_infos_get           = octeontx_dev_info,
1251         .dev_close               = octeontx_dev_close,
1252         .dev_start               = octeontx_dev_start,
1253         .dev_stop                = octeontx_dev_stop,
1254         .promiscuous_enable      = octeontx_dev_promisc_enable,
1255         .promiscuous_disable     = octeontx_dev_promisc_disable,
1256         .link_update             = octeontx_dev_link_update,
1257         .stats_get               = octeontx_dev_stats_get,
1258         .stats_reset             = octeontx_dev_stats_reset,
1259         .mac_addr_remove         = octeontx_dev_mac_addr_del,
1260         .mac_addr_add            = octeontx_dev_mac_addr_add,
1261         .mac_addr_set            = octeontx_dev_default_mac_addr_set,
1262         .vlan_offload_set        = octeontx_dev_vlan_offload_set,
1263         .vlan_filter_set         = octeontx_dev_vlan_filter_set,
1264         .tx_queue_start          = octeontx_dev_tx_queue_start,
1265         .tx_queue_stop           = octeontx_dev_tx_queue_stop,
1266         .tx_queue_setup          = octeontx_dev_tx_queue_setup,
1267         .tx_queue_release        = octeontx_dev_tx_queue_release,
1268         .rx_queue_setup          = octeontx_dev_rx_queue_setup,
1269         .rx_queue_release        = octeontx_dev_rx_queue_release,
1270         .dev_set_link_up          = octeontx_dev_set_link_up,
1271         .dev_set_link_down        = octeontx_dev_set_link_down,
1272         .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
1273         .mtu_set                 = octeontx_dev_mtu_set,
1274         .pool_ops_supported      = octeontx_pool_ops,
1275         .flow_ctrl_get           = octeontx_dev_flow_ctrl_get,
1276         .flow_ctrl_set           = octeontx_dev_flow_ctrl_set,
1277 };
1278
1279 /* Create Ethdev interface per BGX LMAC ports */
1280 static int
1281 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
1282                         int socket_id)
1283 {
1284         int res;
1285         size_t pko_vfid;
1286         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1287         struct octeontx_nic *nic = NULL;
1288         struct rte_eth_dev *eth_dev = NULL;
1289         struct rte_eth_dev_data *data;
1290         const char *name = rte_vdev_device_name(dev);
1291         int max_entries;
1292
1293         PMD_INIT_FUNC_TRACE();
1294
1295         sprintf(octtx_name, "%s_%d", name, port);
1296         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1297                 eth_dev = rte_eth_dev_attach_secondary(octtx_name);
1298                 if (eth_dev == NULL)
1299                         return -ENODEV;
1300
1301                 eth_dev->dev_ops = &octeontx_dev_ops;
1302                 eth_dev->device = &dev->device;
1303                 octeontx_set_tx_function(eth_dev);
1304                 eth_dev->rx_pkt_burst = octeontx_recv_pkts;
1305                 rte_eth_dev_probing_finish(eth_dev);
1306                 return 0;
1307         }
1308
1309         /* Reserve an ethdev entry */
1310         eth_dev = rte_eth_dev_allocate(octtx_name);
1311         if (eth_dev == NULL) {
1312                 octeontx_log_err("failed to allocate rte_eth_dev");
1313                 res = -ENOMEM;
1314                 goto err;
1315         }
1316         data = eth_dev->data;
1317
1318         nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
1319         if (nic == NULL) {
1320                 octeontx_log_err("failed to allocate nic structure");
1321                 res = -ENOMEM;
1322                 goto err;
1323         }
1324         data->dev_private = nic;
1325         pko_vfid = octeontx_pko_get_vfid();
1326
1327         if (pko_vfid == SIZE_MAX) {
1328                 octeontx_log_err("failed to get pko vfid");
1329                 res = -ENODEV;
1330                 goto err;
1331         }
1332
1333         nic->pko_vfid = pko_vfid;
1334         nic->port_id = port;
1335         nic->evdev = evdev;
1336
1337         res = octeontx_port_open(nic);
1338         if (res < 0)
1339                 goto err;
1340
1341         /* Rx side port configuration */
1342         res = octeontx_pki_port_open(port);
1343         if (res != 0) {
1344                 octeontx_log_err("failed to open PKI port %d", port);
1345                 res = -ENODEV;
1346                 goto err;
1347         }
1348
1349         eth_dev->device = &dev->device;
1350         eth_dev->intr_handle = NULL;
1351         eth_dev->data->numa_node = dev->device.numa_node;
1352
1353         data->port_id = eth_dev->data->port_id;
1354
1355         nic->ev_queues = 1;
1356         nic->ev_ports = 1;
1357         nic->print_flag = -1;
1358
1359         data->dev_link.link_status = ETH_LINK_DOWN;
1360         data->dev_started = 0;
1361         data->promiscuous = 0;
1362         data->all_multicast = 0;
1363         data->scattered_rx = 0;
1364
1365         /* Get maximum number of supported MAC entries */
1366         max_entries = octeontx_bgx_port_mac_entries_get(nic->port_id);
1367         if (max_entries < 0) {
1368                 octeontx_log_err("Failed to get max entries for mac addr");
1369                 res = -ENOTSUP;
1370                 goto err;
1371         }
1372
1373         data->mac_addrs = rte_zmalloc_socket(octtx_name, max_entries *
1374                                              RTE_ETHER_ADDR_LEN, 0,
1375                                                         socket_id);
1376         if (data->mac_addrs == NULL) {
1377                 octeontx_log_err("failed to allocate memory for mac_addrs");
1378                 res = -ENOMEM;
1379                 goto err;
1380         }
1381
1382         eth_dev->dev_ops = &octeontx_dev_ops;
1383
1384         /* Finally save ethdev pointer to the NIC structure */
1385         nic->dev = eth_dev;
1386
1387         if (nic->port_id != data->port_id) {
1388                 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
1389                                 data->port_id, nic->port_id);
1390                 res = -EINVAL;
1391                 goto free_mac_addrs;
1392         }
1393
1394         res = rte_eal_alarm_set(OCCTX_INTR_POLL_INTERVAL_MS * 1000,
1395                                 octeontx_link_status_poll, nic);
1396         if (res) {
1397                 octeontx_log_err("Failed to start link polling alarm");
1398                 goto err;
1399         }
1400
1401         /* Update port_id mac to eth_dev */
1402         memcpy(data->mac_addrs, nic->mac_addr, RTE_ETHER_ADDR_LEN);
1403
1404         /* Update same mac address to BGX CAM table at index 0 */
1405         octeontx_bgx_port_mac_add(nic->port_id, nic->mac_addr, 0);
1406
1407         res = octeontx_dev_flow_ctrl_init(eth_dev);
1408         if (res < 0)
1409                 goto err;
1410
1411         PMD_INIT_LOG(DEBUG, "ethdev info: ");
1412         PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
1413                                 nic->port_id, nic->port_ena,
1414                                 nic->base_ochan, nic->num_ochans,
1415                                 nic->num_tx_queues);
1416         PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->bgx_mtu);
1417
1418         rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7]
1419                 [(nic->base_ochan >> 4) & 0xF] = data->port_id;
1420
1421         rte_eth_dev_probing_finish(eth_dev);
1422         return data->port_id;
1423
1424 free_mac_addrs:
1425         rte_free(data->mac_addrs);
1426         data->mac_addrs = NULL;
1427 err:
1428         if (nic)
1429                 octeontx_port_close(nic);
1430
1431         rte_eth_dev_release_port(eth_dev);
1432
1433         return res;
1434 }
1435
1436 /* Un initialize octeontx device */
1437 static int
1438 octeontx_remove(struct rte_vdev_device *dev)
1439 {
1440         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1441         struct rte_eth_dev *eth_dev = NULL;
1442         struct octeontx_nic *nic = NULL;
1443         int i;
1444
1445         if (dev == NULL)
1446                 return -EINVAL;
1447
1448         for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
1449                 sprintf(octtx_name, "eth_octeontx_%d", i);
1450
1451                 eth_dev = rte_eth_dev_allocated(octtx_name);
1452                 if (eth_dev == NULL)
1453                         continue; /* port already released */
1454
1455                 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1456                         rte_eth_dev_release_port(eth_dev);
1457                         continue;
1458                 }
1459
1460                 nic = octeontx_pmd_priv(eth_dev);
1461                 rte_event_dev_stop(nic->evdev);
1462                 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
1463                 octeontx_dev_close(eth_dev);
1464                 rte_eth_dev_release_port(eth_dev);
1465         }
1466
1467         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1468                 return 0;
1469
1470         /* Free FC resource */
1471         octeontx_pko_fc_free();
1472
1473         return 0;
1474 }
1475
1476 /* Initialize octeontx device */
1477 static int
1478 octeontx_probe(struct rte_vdev_device *dev)
1479 {
1480         const char *dev_name;
1481         static int probe_once;
1482         uint8_t socket_id, qlist;
1483         int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
1484         struct rte_event_dev_config dev_conf;
1485         const char *eventdev_name = "event_octeontx";
1486         struct rte_event_dev_info info;
1487         struct rte_eth_dev *eth_dev;
1488
1489         struct octeontx_vdev_init_params init_params = {
1490                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
1491         };
1492
1493         dev_name = rte_vdev_device_name(dev);
1494
1495         if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
1496             strlen(rte_vdev_device_args(dev)) == 0) {
1497                 eth_dev = rte_eth_dev_attach_secondary(dev_name);
1498                 if (!eth_dev) {
1499                         PMD_INIT_LOG(ERR, "Failed to probe %s", dev_name);
1500                         return -1;
1501                 }
1502                 /* TODO: request info from primary to set up Rx and Tx */
1503                 eth_dev->dev_ops = &octeontx_dev_ops;
1504                 eth_dev->device = &dev->device;
1505                 rte_eth_dev_probing_finish(eth_dev);
1506                 return 0;
1507         }
1508
1509         res = octeontx_parse_vdev_init_params(&init_params, dev);
1510         if (res < 0)
1511                 return -EINVAL;
1512
1513         if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
1514                 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
1515                                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
1516                 return -ENOTSUP;
1517         }
1518
1519         PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
1520
1521         socket_id = rte_socket_id();
1522
1523         tx_vfcnt = octeontx_pko_vf_count();
1524
1525         if (tx_vfcnt < init_params.nr_port) {
1526                 octeontx_log_err("not enough PKO (%d) for port number (%d)",
1527                                 tx_vfcnt, init_params.nr_port);
1528                 return -EINVAL;
1529         }
1530         evdev = rte_event_dev_get_dev_id(eventdev_name);
1531         if (evdev < 0) {
1532                 octeontx_log_err("eventdev %s not found", eventdev_name);
1533                 return -ENODEV;
1534         }
1535
1536         res = rte_event_dev_info_get(evdev, &info);
1537         if (res < 0) {
1538                 octeontx_log_err("failed to eventdev info %d", res);
1539                 return -EINVAL;
1540         }
1541
1542         PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
1543                         info.max_event_queues, info.max_event_ports);
1544
1545         if (octeontx_pko_init_fc(tx_vfcnt))
1546                 return -ENOMEM;
1547
1548         devconf_set_default_sane_values(&dev_conf, &info);
1549         res = rte_event_dev_configure(evdev, &dev_conf);
1550         if (res < 0)
1551                 goto parse_error;
1552
1553         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
1554                         (uint32_t *)&pnum);
1555         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
1556                         (uint32_t *)&qnum);
1557         if (pnum < qnum) {
1558                 octeontx_log_err("too few event ports (%d) for event_q(%d)",
1559                                 pnum, qnum);
1560                 res = -EINVAL;
1561                 goto parse_error;
1562         }
1563
1564         /* Enable all queues available */
1565         for (i = 0; i < qnum; i++) {
1566                 res = rte_event_queue_setup(evdev, i, NULL);
1567                 if (res < 0) {
1568                         octeontx_log_err("failed to setup event_q(%d): res %d",
1569                                         i, res);
1570                         goto parse_error;
1571                 }
1572         }
1573
1574         /* Enable all ports available */
1575         for (i = 0; i < pnum; i++) {
1576                 res = rte_event_port_setup(evdev, i, NULL);
1577                 if (res < 0) {
1578                         res = -ENODEV;
1579                         octeontx_log_err("failed to setup ev port(%d) res=%d",
1580                                                 i, res);
1581                         goto parse_error;
1582                 }
1583         }
1584
1585         /*
1586          * Do 1:1 links for ports & queues. All queues would be mapped to
1587          * one port. If there are more ports than queues, then some ports
1588          * won't be linked to any queue.
1589          */
1590         for (i = 0; i < qnum; i++) {
1591                 /* Link one queue to one event port */
1592                 qlist = i;
1593                 res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
1594                 if (res < 0) {
1595                         res = -ENODEV;
1596                         octeontx_log_err("failed to link port (%d): res=%d",
1597                                         i, res);
1598                         goto parse_error;
1599                 }
1600         }
1601
1602         /* Create ethdev interface */
1603         for (i = 0; i < init_params.nr_port; i++) {
1604                 port_id = octeontx_create(dev, i, evdev, socket_id);
1605                 if (port_id < 0) {
1606                         octeontx_log_err("failed to create device %s",
1607                                         dev_name);
1608                         res = -ENODEV;
1609                         goto parse_error;
1610                 }
1611
1612                 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
1613                                         port_id);
1614         }
1615
1616         if (probe_once) {
1617                 octeontx_log_err("interface %s not supported", dev_name);
1618                 octeontx_remove(dev);
1619                 res = -ENOTSUP;
1620                 goto parse_error;
1621         }
1622         rte_mbuf_set_platform_mempool_ops("octeontx_fpavf");
1623         probe_once = 1;
1624
1625         return 0;
1626
1627 parse_error:
1628         octeontx_pko_fc_free();
1629         return res;
1630 }
1631
1632 static struct rte_vdev_driver octeontx_pmd_drv = {
1633         .probe = octeontx_probe,
1634         .remove = octeontx_remove,
1635 };
1636
1637 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
1638 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
1639 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");