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(otx_net_logtype_mbox, pmd.net.octeontx.mbox, NOTICE);
  51 RTE_LOG_REGISTER(otx_net_logtype_init, pmd.net.octeontx.init, NOTICE);
  52 RTE_LOG_REGISTER(otx_net_logtype_driver, pmd.net.octeontx.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
 491         rte_event_dev_close(nic->evdev);
 492
 493         octeontx_dev_flow_ctrl_fini(dev);
 494
 495         octeontx_dev_vlan_offload_fini(dev);
 496
 497         ret = octeontx_pko_channel_close(nic->base_ochan);
 498         if (ret < 0) {
 499                 octeontx_log_err("failed to close channel %d VF%d %d %d",
 500                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 501                              ret);
 502         }
 503         /* Free txq resources for this port */
 504         for (i = 0; i < nic->num_tx_queues; i++) {
 505                 txq = dev->data->tx_queues[i];
 506                 if (!txq)
 507                         continue;
 508
 509                 rte_free(txq);
 510         }
 511
 512         /* Free MAC address table */
 513         rte_free(dev->data->mac_addrs);
 514         dev->data->mac_addrs = NULL;
 515
 516         octeontx_port_close(nic);
 517
 518         dev->tx_pkt_burst = NULL;
 519         dev->rx_pkt_burst = NULL;
 520
 521         return 0;
 522 }
 523
 524 static int
 525 octeontx_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 526 {
 527         uint32_t buffsz, frame_size = mtu + OCCTX_L2_OVERHEAD;
 528         struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
 529         struct rte_eth_dev_data *data = eth_dev->data;
 530         int rc = 0;
 531
 532         /* Check if MTU is within the allowed range */
 533         if (frame_size < OCCTX_MIN_FRS || frame_size > OCCTX_MAX_FRS)
 534                 return -EINVAL;
 535
 536         buffsz = data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
 537
 538         /* Refuse MTU that requires the support of scattered packets
 539          * when this feature has not been enabled before.
 540          */
 541         if (data->dev_started && frame_size > buffsz &&
 542             !(nic->rx_offloads & DEV_RX_OFFLOAD_SCATTER)) {
 543                 octeontx_log_err("Scatter mode is disabled");
 544                 return -EINVAL;
 545         }
 546
 547         /* Check <seg size> * <max_seg>  >= max_frame */
 548         if ((nic->rx_offloads & DEV_RX_OFFLOAD_SCATTER) &&
 549             (frame_size > buffsz * OCCTX_RX_NB_SEG_MAX))
 550                 return -EINVAL;
 551
 552         rc = octeontx_pko_send_mtu(nic->port_id, frame_size);
 553         if (rc)
 554                 return rc;
 555
 556         rc = octeontx_bgx_port_mtu_set(nic->port_id, frame_size);
 557         if (rc)
 558                 return rc;
 559
 560         if (frame_size > RTE_ETHER_MAX_LEN)
 561                 nic->rx_offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 562         else
 563                 nic->rx_offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 564
 565         /* Update max_rx_pkt_len */
 566         data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 567         octeontx_log_info("Received pkt beyond  maxlen %d will be dropped",
 568                           frame_size);
 569
 570         return rc;
 571 }
 572
 573 static int
 574 octeontx_recheck_rx_offloads(struct octeontx_rxq *rxq)
 575 {
 576         struct rte_eth_dev *eth_dev = rxq->eth_dev;
 577         struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
 578         struct rte_eth_dev_data *data = eth_dev->data;
 579         struct rte_pktmbuf_pool_private *mbp_priv;
 580         struct evdev_priv_data *evdev_priv;
 581         struct rte_eventdev *dev;
 582         uint32_t buffsz;
 583
 584         /* Get rx buffer size */
 585         mbp_priv = rte_mempool_get_priv(rxq->pool);
 586         buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
 587
 588         /* Setup scatter mode if needed by jumbo */
 589         if (data->dev_conf.rxmode.max_rx_pkt_len > buffsz) {
 590                 nic->rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
 591                 nic->rx_offload_flags |= octeontx_rx_offload_flags(eth_dev);
 592                 nic->tx_offload_flags |= octeontx_tx_offload_flags(eth_dev);
 593         }
 594
 595         /* Sharing offload flags via eventdev priv region */
 596         dev = &rte_eventdevs[rxq->evdev];
 597         evdev_priv = dev->data->dev_private;
 598         evdev_priv->rx_offload_flags = nic->rx_offload_flags;
 599         evdev_priv->tx_offload_flags = nic->tx_offload_flags;
 600
 601         /* Setup MTU based on max_rx_pkt_len */
 602         nic->mtu = data->dev_conf.rxmode.max_rx_pkt_len - OCCTX_L2_OVERHEAD;
 603
 604         return 0;
 605 }
 606
 607 static int
 608 octeontx_dev_start(struct rte_eth_dev *dev)
 609 {
 610         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 611         struct octeontx_rxq *rxq;
 612         int ret, i;
 613
 614         PMD_INIT_FUNC_TRACE();
 615         /* Rechecking if any new offload set to update
 616          * rx/tx burst function pointer accordingly.
 617          */
 618         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 619                 rxq = dev->data->rx_queues[i];
 620                 octeontx_recheck_rx_offloads(rxq);
 621         }
 622
 623         /* Setting up the mtu based on max_rx_pkt_len */
 624         ret = octeontx_dev_mtu_set(dev, nic->mtu);
 625         if (ret) {
 626                 octeontx_log_err("Failed to set default MTU size %d", ret);
 627                 goto error;
 628         }
 629
 630         /*
 631          * Tx start
 632          */
 633         octeontx_set_tx_function(dev);
 634         ret = octeontx_pko_channel_start(nic->base_ochan);
 635         if (ret < 0) {
 636                 octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
 637                            nic->port_id, nic->num_tx_queues, nic->base_ochan,
 638                            ret);
 639                 goto error;
 640         }
 641
 642         /*
 643          * Rx start
 644          */
 645         dev->rx_pkt_burst = octeontx_recv_pkts;
 646         ret = octeontx_pki_port_start(nic->port_id);
 647         if (ret < 0) {
 648                 octeontx_log_err("fail to start Rx on port %d", nic->port_id);
 649                 goto channel_stop_error;
 650         }
 651
 652         /*
 653          * Start port
 654          */
 655         ret = octeontx_port_start(nic);
 656         if (ret < 0) {
 657                 octeontx_log_err("failed start port %d", ret);
 658                 goto pki_port_stop_error;
 659         }
 660
 661         PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
 662                         nic->base_ochan, nic->num_tx_queues, nic->port_id);
 663
 664         ret = rte_event_dev_start(nic->evdev);
 665         if (ret < 0) {
 666                 octeontx_log_err("failed to start evdev: ret (%d)", ret);
 667                 goto pki_port_stop_error;
 668         }
 669
 670         /* Success */
 671         return ret;
 672
 673 pki_port_stop_error:
 674         octeontx_pki_port_stop(nic->port_id);
 675 channel_stop_error:
 676         octeontx_pko_channel_stop(nic->base_ochan);
 677 error:
 678         return ret;
 679 }
 680
 681 static void
 682 octeontx_dev_stop(struct rte_eth_dev *dev)
 683 {
 684         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 685         int ret;
 686
 687         PMD_INIT_FUNC_TRACE();
 688
 689         rte_event_dev_stop(nic->evdev);
 690
 691         ret = octeontx_port_stop(nic);
 692         if (ret < 0) {
 693                 octeontx_log_err("failed to req stop port %d res=%d",
 694                                         nic->port_id, ret);
 695                 return;
 696         }
 697
 698         ret = octeontx_pki_port_stop(nic->port_id);
 699         if (ret < 0) {
 700                 octeontx_log_err("failed to stop pki port %d res=%d",
 701                                         nic->port_id, ret);
 702                 return;
 703         }
 704
 705         ret = octeontx_pko_channel_stop(nic->base_ochan);
 706         if (ret < 0) {
 707                 octeontx_log_err("failed to stop channel %d VF%d %d %d",
 708                              nic->base_ochan, nic->port_id, nic->num_tx_queues,
 709                              ret);
 710                 return;
 711         }
 712 }
 713
 714 static int
 715 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
 716 {
 717         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 718
 719         PMD_INIT_FUNC_TRACE();
 720         return octeontx_port_promisc_set(nic, 1);
 721 }
 722
 723 static int
 724 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
 725 {
 726         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 727
 728         PMD_INIT_FUNC_TRACE();
 729         return octeontx_port_promisc_set(nic, 0);
 730 }
 731
 732 static int
 733 octeontx_port_link_status(struct octeontx_nic *nic)
 734 {
 735         int res;
 736
 737         PMD_INIT_FUNC_TRACE();
 738         res = octeontx_bgx_port_link_status(nic->port_id);
 739         if (res < 0) {
 740                 octeontx_log_err("failed to get port %d link status",
 741                                 nic->port_id);
 742                 return res;
 743         }
 744
 745         if (nic->link_up != (uint8_t)res || nic->print_flag == -1) {
 746                 nic->link_up = (uint8_t)res;
 747                 nic->print_flag = 1;
 748         }
 749         octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
 750
 751         return res;
 752 }
 753
 754 /*
 755  * Return 0 means link status changed, -1 means not changed
 756  */
 757 static int
 758 octeontx_dev_link_update(struct rte_eth_dev *dev,
 759                          int wait_to_complete __rte_unused)
 760 {
 761         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 762         struct rte_eth_link link;
 763         int res;
 764
 765         PMD_INIT_FUNC_TRACE();
 766
 767         res = octeontx_port_link_status(nic);
 768         if (res < 0) {
 769                 octeontx_log_err("failed to request link status %d", res);
 770                 return res;
 771         }
 772
 773         octeontx_link_status_update(nic, &link);
 774         if (nic->print_flag) {
 775                 octeontx_link_status_print(nic->dev, &link);
 776                 nic->print_flag = 0;
 777         }
 778
 779         return rte_eth_linkstatus_set(dev, &link);
 780 }
 781
 782 static int
 783 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 784 {
 785         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 786
 787         PMD_INIT_FUNC_TRACE();
 788         return octeontx_port_stats(nic, stats);
 789 }
 790
 791 static int
 792 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
 793 {
 794         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 795
 796         PMD_INIT_FUNC_TRACE();
 797         return octeontx_port_stats_clr(nic);
 798 }
 799
 800 static void
 801 octeontx_dev_mac_addr_del(struct rte_eth_dev *dev, uint32_t index)
 802 {
 803         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 804         int ret;
 805
 806         ret = octeontx_bgx_port_mac_del(nic->port_id, index);
 807         if (ret != 0)
 808                 octeontx_log_err("failed to del MAC address filter on port %d",
 809                                  nic->port_id);
 810 }
 811
 812 static int
 813 octeontx_dev_mac_addr_add(struct rte_eth_dev *dev,
 814                           struct rte_ether_addr *mac_addr,
 815                           uint32_t index,
 816                           __rte_unused uint32_t vmdq)
 817 {
 818         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 819         int ret;
 820
 821         ret = octeontx_bgx_port_mac_add(nic->port_id, mac_addr->addr_bytes,
 822                                         index);
 823         if (ret < 0) {
 824                 octeontx_log_err("failed to add MAC address filter on port %d",
 825                                  nic->port_id);
 826                 return ret;
 827         }
 828
 829         return 0;
 830 }
 831
 832 static int
 833 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
 834                                         struct rte_ether_addr *addr)
 835 {
 836         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 837         int ret;
 838
 839         ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
 840         if (ret == 0) {
 841                 /* Update same mac address to BGX CAM table */
 842                 ret = octeontx_bgx_port_mac_add(nic->port_id, addr->addr_bytes,
 843                                                 0);
 844         }
 845         if (ret < 0) {
 846                 octeontx_log_err("failed to set MAC address on port %d",
 847                                  nic->port_id);
 848         }
 849
 850         return ret;
 851 }
 852
 853 static int
 854 octeontx_dev_info(struct rte_eth_dev *dev,
 855                 struct rte_eth_dev_info *dev_info)
 856 {
 857         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 858
 859         /* Autonegotiation may be disabled */
 860         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
 861         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
 862                         ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
 863                         ETH_LINK_SPEED_40G;
 864
 865         /* Min/Max MTU supported */
 866         dev_info->min_rx_bufsize = OCCTX_MIN_FRS;
 867         dev_info->max_rx_pktlen = OCCTX_MAX_FRS;
 868         dev_info->max_mtu = dev_info->max_rx_pktlen - OCCTX_L2_OVERHEAD;
 869         dev_info->min_mtu = dev_info->min_rx_bufsize - OCCTX_L2_OVERHEAD;
 870
 871         dev_info->max_mac_addrs =
 872                                 octeontx_bgx_port_mac_entries_get(nic->port_id);
 873         dev_info->max_rx_pktlen = PKI_MAX_PKTLEN;
 874         dev_info->max_rx_queues = 1;
 875         dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
 876         dev_info->min_rx_bufsize = 0;
 877
 878         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 879                 .rx_free_thresh = 0,
 880                 .rx_drop_en = 0,
 881                 .offloads = OCTEONTX_RX_OFFLOADS,
 882         };
 883
 884         dev_info->default_txconf = (struct rte_eth_txconf) {
 885                 .tx_free_thresh = 0,
 886                 .offloads = OCTEONTX_TX_OFFLOADS,
 887         };
 888
 889         dev_info->rx_offload_capa = OCTEONTX_RX_OFFLOADS;
 890         dev_info->tx_offload_capa = OCTEONTX_TX_OFFLOADS;
 891         dev_info->rx_queue_offload_capa = OCTEONTX_RX_OFFLOADS;
 892         dev_info->tx_queue_offload_capa = OCTEONTX_TX_OFFLOADS;
 893
 894         return 0;
 895 }
 896
 897 static void
 898 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
 899 {
 900         ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
 901         ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
 902         ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
 903 }
 904
 905 static int
 906 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 907                                 uint16_t qidx)
 908 {
 909         struct octeontx_txq *txq;
 910         int res;
 911
 912         PMD_INIT_FUNC_TRACE();
 913
 914         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
 915                 return 0;
 916
 917         txq = dev->data->tx_queues[qidx];
 918
 919         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
 920                                                 &txq->dq,
 921                                                 sizeof(octeontx_dq_t),
 922                                                 txq->queue_id,
 923                                                 octeontx_dq_info_getter);
 924         if (res < 0) {
 925                 res = -EFAULT;
 926                 goto close_port;
 927         }
 928
 929         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
 930         return res;
 931
 932 close_port:
 933         (void)octeontx_port_stop(nic);
 934         octeontx_pko_channel_stop(nic->base_ochan);
 935         octeontx_pko_channel_close(nic->base_ochan);
 936         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 937         return res;
 938 }
 939
 940 int
 941 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
 942 {
 943         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 944
 945         PMD_INIT_FUNC_TRACE();
 946         qidx = qidx % PKO_VF_NUM_DQ;
 947         return octeontx_vf_start_tx_queue(dev, nic, qidx);
 948 }
 949
 950 static inline int
 951 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
 952                           uint16_t qidx)
 953 {
 954         int ret = 0;
 955
 956         RTE_SET_USED(nic);
 957         PMD_INIT_FUNC_TRACE();
 958
 959         if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
 960                 return 0;
 961
 962         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 963         return ret;
 964 }
 965
 966 int
 967 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
 968 {
 969         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 970
 971         PMD_INIT_FUNC_TRACE();
 972         qidx = qidx % PKO_VF_NUM_DQ;
 973
 974         return octeontx_vf_stop_tx_queue(dev, nic, qidx);
 975 }
 976
 977 static void
 978 octeontx_dev_tx_queue_release(void *tx_queue)
 979 {
 980         struct octeontx_txq *txq = tx_queue;
 981         int res;
 982
 983         PMD_INIT_FUNC_TRACE();
 984
 985         if (txq) {
 986                 res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id);
 987                 if (res < 0)
 988                         octeontx_log_err("failed stop tx_queue(%d)\n",
 989                                    txq->queue_id);
 990
 991                 rte_free(txq);
 992         }
 993 }
 994
 995 static int
 996 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 997                             uint16_t nb_desc, unsigned int socket_id,
 998                             const struct rte_eth_txconf *tx_conf __rte_unused)
 999 {
1000         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
1001         struct octeontx_txq *txq = NULL;
1002         uint16_t dq_num;
1003         int res = 0;
1004
1005         RTE_SET_USED(nb_desc);
1006         RTE_SET_USED(socket_id);
1007
1008         dq_num = (nic->pko_vfid * PKO_VF_NUM_DQ) + qidx;
1009
1010         /* Socket id check */
1011         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
1012                         socket_id != (unsigned int)nic->node)
1013                 PMD_TX_LOG(INFO, "socket_id expected %d, configured %d",
1014                                                 socket_id, nic->node);
1015
1016         /* Free memory prior to re-allocation if needed. */
1017         if (dev->data->tx_queues[qidx] != NULL) {
1018                 PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d",
1019                                 qidx);
1020                 octeontx_dev_tx_queue_release(dev->data->tx_queues[qidx]);
1021                 dev->data->tx_queues[qidx] = NULL;
1022         }
1023
1024         /* Allocating tx queue data structure */
1025         txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq),
1026                                  RTE_CACHE_LINE_SIZE, nic->node);
1027         if (txq == NULL) {
1028                 octeontx_log_err("failed to allocate txq=%d", qidx);
1029                 res = -ENOMEM;
1030                 goto err;
1031         }
1032
1033         txq->eth_dev = dev;
1034         txq->queue_id = dq_num;
1035         dev->data->tx_queues[qidx] = txq;
1036         dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1037
1038         res = octeontx_pko_channel_query_dqs(nic->base_ochan,
1039                                                 &txq->dq,
1040                                                 sizeof(octeontx_dq_t),
1041                                                 txq->queue_id,
1042                                                 octeontx_dq_info_getter);
1043         if (res < 0) {
1044                 res = -EFAULT;
1045                 goto err;
1046         }
1047
1048         PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p",
1049                         qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va,
1050                         txq->dq.ioreg_va,
1051                         txq->dq.fc_status_va);
1052
1053         return res;
1054
1055 err:
1056         if (txq)
1057                 rte_free(txq);
1058
1059         return res;
1060 }
1061
1062 static int
1063 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
1064                                 uint16_t nb_desc, unsigned int socket_id,
1065                                 const struct rte_eth_rxconf *rx_conf,
1066                                 struct rte_mempool *mb_pool)
1067 {
1068         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
1069         struct rte_mempool_ops *mp_ops = NULL;
1070         struct octeontx_rxq *rxq = NULL;
1071         pki_pktbuf_cfg_t pktbuf_conf;
1072         pki_hash_cfg_t pki_hash;
1073         pki_qos_cfg_t pki_qos;
1074         uintptr_t pool;
1075         int ret, port;
1076         uint16_t gaura;
1077         unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx;
1078         unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx;
1079
1080         RTE_SET_USED(nb_desc);
1081
1082         memset(&pktbuf_conf, 0, sizeof(pktbuf_conf));
1083         memset(&pki_hash, 0, sizeof(pki_hash));
1084         memset(&pki_qos, 0, sizeof(pki_qos));
1085
1086         mp_ops = rte_mempool_get_ops(mb_pool->ops_index);
1087         if (strcmp(mp_ops->name, "octeontx_fpavf")) {
1088                 octeontx_log_err("failed to find octeontx_fpavf mempool");
1089                 return -ENOTSUP;
1090         }
1091
1092         /* Handle forbidden configurations */
1093         if (nic->pki.classifier_enable) {
1094                 octeontx_log_err("cannot setup queue %d. "
1095                                         "Classifier option unsupported", qidx);
1096                 return -EINVAL;
1097         }
1098
1099         port = nic->port_id;
1100
1101         /* Rx deferred start is not supported */
1102         if (rx_conf->rx_deferred_start) {
1103                 octeontx_log_err("rx deferred start not supported");
1104                 return -EINVAL;
1105         }
1106
1107         /* Verify queue index */
1108         if (qidx >= dev->data->nb_rx_queues) {
1109                 octeontx_log_err("QID %d not supporteded (0 - %d available)\n",
1110                                 qidx, (dev->data->nb_rx_queues - 1));
1111                 return -ENOTSUP;
1112         }
1113
1114         /* Socket id check */
1115         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
1116                         socket_id != (unsigned int)nic->node)
1117                 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d",
1118                                                 socket_id, nic->node);
1119
1120         /* Allocating rx queue data structure */
1121         rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq),
1122                                  RTE_CACHE_LINE_SIZE, nic->node);
1123         if (rxq == NULL) {
1124                 octeontx_log_err("failed to allocate rxq=%d", qidx);
1125                 return -ENOMEM;
1126         }
1127
1128         if (!nic->pki.initialized) {
1129                 pktbuf_conf.port_type = 0;
1130                 pki_hash.port_type = 0;
1131                 pki_qos.port_type = 0;
1132
1133                 pktbuf_conf.mmask.f_wqe_skip = 1;
1134                 pktbuf_conf.mmask.f_first_skip = 1;
1135                 pktbuf_conf.mmask.f_later_skip = 1;
1136                 pktbuf_conf.mmask.f_mbuff_size = 1;
1137                 pktbuf_conf.mmask.f_cache_mode = 1;
1138
1139                 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
1140                 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP(mb_pool);
1141                 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
1142                 pktbuf_conf.mbuff_size = (mb_pool->elt_size -
1143                                         RTE_PKTMBUF_HEADROOM -
1144                                         rte_pktmbuf_priv_size(mb_pool) -
1145                                         sizeof(struct rte_mbuf));
1146
1147                 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
1148
1149                 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
1150                 if (ret != 0) {
1151                         octeontx_log_err("fail to configure pktbuf for port %d",
1152                                         port);
1153                         rte_free(rxq);
1154                         return ret;
1155                 }
1156                 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
1157                                 "\tmbuf_size:\t0x%0x\n"
1158                                 "\twqe_skip:\t0x%0x\n"
1159                                 "\tfirst_skip:\t0x%0x\n"
1160                                 "\tlater_skip:\t0x%0x\n"
1161                                 "\tcache_mode:\t%s\n",
1162                                 port,
1163                                 pktbuf_conf.mbuff_size,
1164                                 pktbuf_conf.wqe_skip,
1165                                 pktbuf_conf.first_skip,
1166                                 pktbuf_conf.later_skip,
1167                                 (pktbuf_conf.cache_mode ==
1168                                                 PKI_OPC_MODE_STT) ?
1169                                 "STT" :
1170                                 (pktbuf_conf.cache_mode ==
1171                                                 PKI_OPC_MODE_STF) ?
1172                                 "STF" :
1173                                 (pktbuf_conf.cache_mode ==
1174                                                 PKI_OPC_MODE_STF1_STT) ?
1175                                 "STF1_STT" : "STF2_STT");
1176
1177                 if (nic->pki.hash_enable) {
1178                         pki_hash.tag_dlc = 1;
1179                         pki_hash.tag_slc = 1;
1180                         pki_hash.tag_dlf = 1;
1181                         pki_hash.tag_slf = 1;
1182                         pki_hash.tag_prt = 1;
1183                         octeontx_pki_port_hash_config(port, &pki_hash);
1184                 }
1185
1186                 pool = (uintptr_t)mb_pool->pool_id;
1187
1188                 /* Get the gaura Id */
1189                 gaura = octeontx_fpa_bufpool_gaura(pool);
1190
1191                 pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
1192                 pki_qos.num_entry = 1;
1193                 pki_qos.drop_policy = 0;
1194                 pki_qos.tag_type = 0L;
1195                 pki_qos.qos_entry[0].port_add = 0;
1196                 pki_qos.qos_entry[0].gaura = gaura;
1197                 pki_qos.qos_entry[0].ggrp_ok = ev_queues;
1198                 pki_qos.qos_entry[0].ggrp_bad = ev_queues;
1199                 pki_qos.qos_entry[0].grptag_bad = 0;
1200                 pki_qos.qos_entry[0].grptag_ok = 0;
1201
1202                 ret = octeontx_pki_port_create_qos(port, &pki_qos);
1203                 if (ret < 0) {
1204                         octeontx_log_err("failed to create QOS port=%d, q=%d",
1205                                         port, qidx);
1206                         rte_free(rxq);
1207                         return ret;
1208                 }
1209                 nic->pki.initialized = true;
1210         }
1211
1212         rxq->port_id = nic->port_id;
1213         rxq->eth_dev = dev;
1214         rxq->queue_id = qidx;
1215         rxq->evdev = nic->evdev;
1216         rxq->ev_queues = ev_queues;
1217         rxq->ev_ports = ev_ports;
1218         rxq->pool = mb_pool;
1219
1220         octeontx_recheck_rx_offloads(rxq);
1221         dev->data->rx_queues[qidx] = rxq;
1222         dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1223
1224         return 0;
1225 }
1226
1227 static void
1228 octeontx_dev_rx_queue_release(void *rxq)
1229 {
1230         rte_free(rxq);
1231 }
1232
1233 static const uint32_t *
1234 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
1235 {
1236         static const uint32_t ptypes[] = {
1237                 RTE_PTYPE_L3_IPV4,
1238                 RTE_PTYPE_L3_IPV4_EXT,
1239                 RTE_PTYPE_L3_IPV6,
1240                 RTE_PTYPE_L3_IPV6_EXT,
1241                 RTE_PTYPE_L4_TCP,
1242                 RTE_PTYPE_L4_UDP,
1243                 RTE_PTYPE_L4_FRAG,
1244                 RTE_PTYPE_UNKNOWN
1245         };
1246
1247         if (dev->rx_pkt_burst == octeontx_recv_pkts)
1248                 return ptypes;
1249
1250         return NULL;
1251 }
1252
1253 static int
1254 octeontx_pool_ops(struct rte_eth_dev *dev, const char *pool)
1255 {
1256         RTE_SET_USED(dev);
1257
1258         if (!strcmp(pool, "octeontx_fpavf"))
1259                 return 0;
1260
1261         return -ENOTSUP;
1262 }
1263
1264 /* Initialize and register driver with DPDK Application */
1265 static const struct eth_dev_ops octeontx_dev_ops = {
1266         .dev_configure           = octeontx_dev_configure,
1267         .dev_infos_get           = octeontx_dev_info,
1268         .dev_close               = octeontx_dev_close,
1269         .dev_start               = octeontx_dev_start,
1270         .dev_stop                = octeontx_dev_stop,
1271         .promiscuous_enable      = octeontx_dev_promisc_enable,
1272         .promiscuous_disable     = octeontx_dev_promisc_disable,
1273         .link_update             = octeontx_dev_link_update,
1274         .stats_get               = octeontx_dev_stats_get,
1275         .stats_reset             = octeontx_dev_stats_reset,
1276         .mac_addr_remove         = octeontx_dev_mac_addr_del,
1277         .mac_addr_add            = octeontx_dev_mac_addr_add,
1278         .mac_addr_set            = octeontx_dev_default_mac_addr_set,
1279         .vlan_offload_set        = octeontx_dev_vlan_offload_set,
1280         .vlan_filter_set         = octeontx_dev_vlan_filter_set,
1281         .tx_queue_start          = octeontx_dev_tx_queue_start,
1282         .tx_queue_stop           = octeontx_dev_tx_queue_stop,
1283         .tx_queue_setup          = octeontx_dev_tx_queue_setup,
1284         .tx_queue_release        = octeontx_dev_tx_queue_release,
1285         .rx_queue_setup          = octeontx_dev_rx_queue_setup,
1286         .rx_queue_release        = octeontx_dev_rx_queue_release,
1287         .dev_set_link_up          = octeontx_dev_set_link_up,
1288         .dev_set_link_down        = octeontx_dev_set_link_down,
1289         .dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
1290         .mtu_set                 = octeontx_dev_mtu_set,
1291         .pool_ops_supported      = octeontx_pool_ops,
1292         .flow_ctrl_get           = octeontx_dev_flow_ctrl_get,
1293         .flow_ctrl_set           = octeontx_dev_flow_ctrl_set,
1294 };
1295
1296 /* Create Ethdev interface per BGX LMAC ports */
1297 static int
1298 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
1299                         int socket_id)
1300 {
1301         int res;
1302         size_t pko_vfid;
1303         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1304         struct octeontx_nic *nic = NULL;
1305         struct rte_eth_dev *eth_dev = NULL;
1306         struct rte_eth_dev_data *data;
1307         const char *name = rte_vdev_device_name(dev);
1308         int max_entries;
1309
1310         PMD_INIT_FUNC_TRACE();
1311
1312         sprintf(octtx_name, "%s_%d", name, port);
1313         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1314                 eth_dev = rte_eth_dev_attach_secondary(octtx_name);
1315                 if (eth_dev == NULL)
1316                         return -ENODEV;
1317
1318                 eth_dev->dev_ops = &octeontx_dev_ops;
1319                 eth_dev->device = &dev->device;
1320                 octeontx_set_tx_function(eth_dev);
1321                 eth_dev->rx_pkt_burst = octeontx_recv_pkts;
1322                 rte_eth_dev_probing_finish(eth_dev);
1323                 return 0;
1324         }
1325
1326         /* Reserve an ethdev entry */
1327         eth_dev = rte_eth_dev_allocate(octtx_name);
1328         if (eth_dev == NULL) {
1329                 octeontx_log_err("failed to allocate rte_eth_dev");
1330                 res = -ENOMEM;
1331                 goto err;
1332         }
1333         data = eth_dev->data;
1334
1335         nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
1336         if (nic == NULL) {
1337                 octeontx_log_err("failed to allocate nic structure");
1338                 res = -ENOMEM;
1339                 goto err;
1340         }
1341         data->dev_private = nic;
1342         pko_vfid = octeontx_pko_get_vfid();
1343
1344         if (pko_vfid == SIZE_MAX) {
1345                 octeontx_log_err("failed to get pko vfid");
1346                 res = -ENODEV;
1347                 goto err;
1348         }
1349
1350         nic->pko_vfid = pko_vfid;
1351         nic->port_id = port;
1352         nic->evdev = evdev;
1353
1354         res = octeontx_port_open(nic);
1355         if (res < 0)
1356                 goto err;
1357
1358         /* Rx side port configuration */
1359         res = octeontx_pki_port_open(port);
1360         if (res != 0) {
1361                 octeontx_log_err("failed to open PKI port %d", port);
1362                 res = -ENODEV;
1363                 goto err;
1364         }
1365
1366         eth_dev->device = &dev->device;
1367         eth_dev->intr_handle = NULL;
1368         eth_dev->data->numa_node = dev->device.numa_node;
1369
1370         data->port_id = eth_dev->data->port_id;
1371
1372         nic->ev_queues = 1;
1373         nic->ev_ports = 1;
1374         nic->print_flag = -1;
1375
1376         data->dev_link.link_status = ETH_LINK_DOWN;
1377         data->dev_started = 0;
1378         data->promiscuous = 0;
1379         data->all_multicast = 0;
1380         data->scattered_rx = 0;
1381
1382         /* Get maximum number of supported MAC entries */
1383         max_entries = octeontx_bgx_port_mac_entries_get(nic->port_id);
1384         if (max_entries < 0) {
1385                 octeontx_log_err("Failed to get max entries for mac addr");
1386                 res = -ENOTSUP;
1387                 goto err;
1388         }
1389
1390         data->mac_addrs = rte_zmalloc_socket(octtx_name, max_entries *
1391                                              RTE_ETHER_ADDR_LEN, 0,
1392                                                         socket_id);
1393         if (data->mac_addrs == NULL) {
1394                 octeontx_log_err("failed to allocate memory for mac_addrs");
1395                 res = -ENOMEM;
1396                 goto err;
1397         }
1398
1399         eth_dev->dev_ops = &octeontx_dev_ops;
1400
1401         /* Finally save ethdev pointer to the NIC structure */
1402         nic->dev = eth_dev;
1403
1404         if (nic->port_id != data->port_id) {
1405                 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
1406                                 data->port_id, nic->port_id);
1407                 res = -EINVAL;
1408                 goto free_mac_addrs;
1409         }
1410
1411         res = rte_eal_alarm_set(OCCTX_INTR_POLL_INTERVAL_MS * 1000,
1412                                 octeontx_link_status_poll, nic);
1413         if (res) {
1414                 octeontx_log_err("Failed to start link polling alarm");
1415                 goto err;
1416         }
1417
1418         /* Update port_id mac to eth_dev */
1419         memcpy(data->mac_addrs, nic->mac_addr, RTE_ETHER_ADDR_LEN);
1420
1421         /* Update same mac address to BGX CAM table at index 0 */
1422         octeontx_bgx_port_mac_add(nic->port_id, nic->mac_addr, 0);
1423
1424         res = octeontx_dev_flow_ctrl_init(eth_dev);
1425         if (res < 0)
1426                 goto err;
1427
1428         PMD_INIT_LOG(DEBUG, "ethdev info: ");
1429         PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
1430                                 nic->port_id, nic->port_ena,
1431                                 nic->base_ochan, nic->num_ochans,
1432                                 nic->num_tx_queues);
1433         PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->bgx_mtu);
1434
1435         rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7]
1436                 [(nic->base_ochan >> 4) & 0xF] = data->port_id;
1437
1438         rte_eth_dev_probing_finish(eth_dev);
1439         return data->port_id;
1440
1441 free_mac_addrs:
1442         rte_free(data->mac_addrs);
1443         data->mac_addrs = NULL;
1444 err:
1445         if (nic)
1446                 octeontx_port_close(nic);
1447
1448         rte_eth_dev_release_port(eth_dev);
1449
1450         return res;
1451 }
1452
1453 /* Un initialize octeontx device */
1454 static int
1455 octeontx_remove(struct rte_vdev_device *dev)
1456 {
1457         char octtx_name[OCTEONTX_MAX_NAME_LEN];
1458         struct rte_eth_dev *eth_dev = NULL;
1459         struct octeontx_nic *nic = NULL;
1460         int i;
1461
1462         if (dev == NULL)
1463                 return -EINVAL;
1464
1465         for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
1466                 sprintf(octtx_name, "eth_octeontx_%d", i);
1467
1468                 /* reserve an ethdev entry */
1469                 eth_dev = rte_eth_dev_allocated(octtx_name);
1470                 if (eth_dev == NULL)
1471                         return -ENODEV;
1472
1473                 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1474                         rte_eth_dev_release_port(eth_dev);
1475                         continue;
1476                 }
1477
1478                 nic = octeontx_pmd_priv(eth_dev);
1479                 rte_event_dev_stop(nic->evdev);
1480                 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
1481
1482                 rte_eth_dev_release_port(eth_dev);
1483                 rte_event_dev_close(nic->evdev);
1484         }
1485
1486         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1487                 return 0;
1488
1489         /* Free FC resource */
1490         octeontx_pko_fc_free();
1491
1492         return 0;
1493 }
1494
1495 /* Initialize octeontx device */
1496 static int
1497 octeontx_probe(struct rte_vdev_device *dev)
1498 {
1499         const char *dev_name;
1500         static int probe_once;
1501         uint8_t socket_id, qlist;
1502         int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
1503         struct rte_event_dev_config dev_conf;
1504         const char *eventdev_name = "event_octeontx";
1505         struct rte_event_dev_info info;
1506         struct rte_eth_dev *eth_dev;
1507
1508         struct octeontx_vdev_init_params init_params = {
1509                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
1510         };
1511
1512         dev_name = rte_vdev_device_name(dev);
1513
1514         if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
1515             strlen(rte_vdev_device_args(dev)) == 0) {
1516                 eth_dev = rte_eth_dev_attach_secondary(dev_name);
1517                 if (!eth_dev) {
1518                         PMD_INIT_LOG(ERR, "Failed to probe %s", dev_name);
1519                         return -1;
1520                 }
1521                 /* TODO: request info from primary to set up Rx and Tx */
1522                 eth_dev->dev_ops = &octeontx_dev_ops;
1523                 eth_dev->device = &dev->device;
1524                 rte_eth_dev_probing_finish(eth_dev);
1525                 return 0;
1526         }
1527
1528         res = octeontx_parse_vdev_init_params(&init_params, dev);
1529         if (res < 0)
1530                 return -EINVAL;
1531
1532         if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
1533                 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
1534                                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
1535                 return -ENOTSUP;
1536         }
1537
1538         PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
1539
1540         socket_id = rte_socket_id();
1541
1542         tx_vfcnt = octeontx_pko_vf_count();
1543
1544         if (tx_vfcnt < init_params.nr_port) {
1545                 octeontx_log_err("not enough PKO (%d) for port number (%d)",
1546                                 tx_vfcnt, init_params.nr_port);
1547                 return -EINVAL;
1548         }
1549         evdev = rte_event_dev_get_dev_id(eventdev_name);
1550         if (evdev < 0) {
1551                 octeontx_log_err("eventdev %s not found", eventdev_name);
1552                 return -ENODEV;
1553         }
1554
1555         res = rte_event_dev_info_get(evdev, &info);
1556         if (res < 0) {
1557                 octeontx_log_err("failed to eventdev info %d", res);
1558                 return -EINVAL;
1559         }
1560
1561         PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
1562                         info.max_event_queues, info.max_event_ports);
1563
1564         if (octeontx_pko_init_fc(tx_vfcnt))
1565                 return -ENOMEM;
1566
1567         devconf_set_default_sane_values(&dev_conf, &info);
1568         res = rte_event_dev_configure(evdev, &dev_conf);
1569         if (res < 0)
1570                 goto parse_error;
1571
1572         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
1573                         (uint32_t *)&pnum);
1574         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
1575                         (uint32_t *)&qnum);
1576         if (pnum < qnum) {
1577                 octeontx_log_err("too few event ports (%d) for event_q(%d)",
1578                                 pnum, qnum);
1579                 res = -EINVAL;
1580                 goto parse_error;
1581         }
1582
1583         /* Enable all queues available */
1584         for (i = 0; i < qnum; i++) {
1585                 res = rte_event_queue_setup(evdev, i, NULL);
1586                 if (res < 0) {
1587                         octeontx_log_err("failed to setup event_q(%d): res %d",
1588                                         i, res);
1589                         goto parse_error;
1590                 }
1591         }
1592
1593         /* Enable all ports available */
1594         for (i = 0; i < pnum; i++) {
1595                 res = rte_event_port_setup(evdev, i, NULL);
1596                 if (res < 0) {
1597                         res = -ENODEV;
1598                         octeontx_log_err("failed to setup ev port(%d) res=%d",
1599                                                 i, res);
1600                         goto parse_error;
1601                 }
1602         }
1603
1604         /*
1605          * Do 1:1 links for ports & queues. All queues would be mapped to
1606          * one port. If there are more ports than queues, then some ports
1607          * won't be linked to any queue.
1608          */
1609         for (i = 0; i < qnum; i++) {
1610                 /* Link one queue to one event port */
1611                 qlist = i;
1612                 res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
1613                 if (res < 0) {
1614                         res = -ENODEV;
1615                         octeontx_log_err("failed to link port (%d): res=%d",
1616                                         i, res);
1617                         goto parse_error;
1618                 }
1619         }
1620
1621         /* Create ethdev interface */
1622         for (i = 0; i < init_params.nr_port; i++) {
1623                 port_id = octeontx_create(dev, i, evdev, socket_id);
1624                 if (port_id < 0) {
1625                         octeontx_log_err("failed to create device %s",
1626                                         dev_name);
1627                         res = -ENODEV;
1628                         goto parse_error;
1629                 }
1630
1631                 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
1632                                         port_id);
1633         }
1634
1635         if (probe_once) {
1636                 octeontx_log_err("interface %s not supported", dev_name);
1637                 octeontx_remove(dev);
1638                 res = -ENOTSUP;
1639                 goto parse_error;
1640         }
1641         rte_mbuf_set_platform_mempool_ops("octeontx_fpavf");
1642         probe_once = 1;
1643
1644         return 0;
1645
1646 parse_error:
1647         octeontx_pko_fc_free();
1648         return res;
1649 }
1650
1651 static struct rte_vdev_driver octeontx_pmd_drv = {
1652         .probe = octeontx_probe,
1653         .remove = octeontx_remove,
1654 };
1655
1656 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
1657 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
1658 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");