drivers/net/octeontx/octeontx_ethdev.c

   1 /*
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (C) Cavium Inc. 2017. All rights reserved.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Cavium networks nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32 #include <stdio.h>
  33 #include <stdarg.h>
  34 #include <stdbool.h>
  35 #include <stdint.h>
  36 #include <string.h>
  37 #include <unistd.h>
  38
  39 #include <rte_alarm.h>
  40 #include <rte_branch_prediction.h>
  41 #include <rte_debug.h>
  42 #include <rte_devargs.h>
  43 #include <rte_dev.h>
  44 #include <rte_kvargs.h>
  45 #include <rte_malloc.h>
  46 #include <rte_prefetch.h>
  47 #include <rte_vdev.h>
  48
  49 #include "octeontx_ethdev.h"
  50 #include "octeontx_logs.h"
  51
  52 struct octeontx_vdev_init_params {
  53         uint8_t nr_port;
  54 };
  55
  56 enum octeontx_link_speed {
  57         OCTEONTX_LINK_SPEED_SGMII,
  58         OCTEONTX_LINK_SPEED_XAUI,
  59         OCTEONTX_LINK_SPEED_RXAUI,
  60         OCTEONTX_LINK_SPEED_10G_R,
  61         OCTEONTX_LINK_SPEED_40G_R,
  62         OCTEONTX_LINK_SPEED_RESERVE1,
  63         OCTEONTX_LINK_SPEED_QSGMII,
  64         OCTEONTX_LINK_SPEED_RESERVE2
  65 };
  66
  67 /* Parse integer from integer argument */
  68 static int
  69 parse_integer_arg(const char *key __rte_unused,
  70                 const char *value, void *extra_args)
  71 {
  72         int *i = (int *)extra_args;
  73
  74         *i = atoi(value);
  75         if (*i < 0) {
  76                 octeontx_log_err("argument has to be positive.");
  77                 return -1;
  78         }
  79
  80         return 0;
  81 }
  82
  83 static int
  84 octeontx_parse_vdev_init_params(struct octeontx_vdev_init_params *params,
  85                                 struct rte_vdev_device *dev)
  86 {
  87         struct rte_kvargs *kvlist = NULL;
  88         int ret = 0;
  89
  90         static const char * const octeontx_vdev_valid_params[] = {
  91                 OCTEONTX_VDEV_NR_PORT_ARG,
  92                 NULL
  93         };
  94
  95         const char *input_args = rte_vdev_device_args(dev);
  96         if (params == NULL)
  97                 return -EINVAL;
  98
  99
 100         if (input_args) {
 101                 kvlist = rte_kvargs_parse(input_args,
 102                                 octeontx_vdev_valid_params);
 103                 if (kvlist == NULL)
 104                         return -1;
 105
 106                 ret = rte_kvargs_process(kvlist,
 107                                         OCTEONTX_VDEV_NR_PORT_ARG,
 108                                         &parse_integer_arg,
 109                                         &params->nr_port);
 110                 if (ret < 0)
 111                         goto free_kvlist;
 112         }
 113
 114 free_kvlist:
 115         rte_kvargs_free(kvlist);
 116         return ret;
 117 }
 118
 119 static int
 120 octeontx_port_open(struct octeontx_nic *nic)
 121 {
 122         octeontx_mbox_bgx_port_conf_t bgx_port_conf;
 123         int res;
 124
 125         res = 0;
 126
 127         PMD_INIT_FUNC_TRACE();
 128
 129         res = octeontx_bgx_port_open(nic->port_id, &bgx_port_conf);
 130         if (res < 0) {
 131                 octeontx_log_err("failed to open port %d", res);
 132                 return res;
 133         }
 134
 135         nic->node = bgx_port_conf.node;
 136         nic->port_ena = bgx_port_conf.enable;
 137         nic->base_ichan = bgx_port_conf.base_chan;
 138         nic->base_ochan = bgx_port_conf.base_chan;
 139         nic->num_ichans = bgx_port_conf.num_chans;
 140         nic->num_ochans = bgx_port_conf.num_chans;
 141         nic->mtu = bgx_port_conf.mtu;
 142         nic->bpen = bgx_port_conf.bpen;
 143         nic->fcs_strip = bgx_port_conf.fcs_strip;
 144         nic->bcast_mode = bgx_port_conf.bcast_mode;
 145         nic->mcast_mode = bgx_port_conf.mcast_mode;
 146         nic->speed      = bgx_port_conf.mode;
 147
 148         memcpy(&nic->mac_addr[0], &bgx_port_conf.macaddr[0], ETHER_ADDR_LEN);
 149
 150         octeontx_log_dbg("port opened %d", nic->port_id);
 151         return res;
 152 }
 153
 154 static void
 155 octeontx_port_close(struct octeontx_nic *nic)
 156 {
 157         PMD_INIT_FUNC_TRACE();
 158
 159         octeontx_bgx_port_close(nic->port_id);
 160         octeontx_log_dbg("port closed %d", nic->port_id);
 161 }
 162
 163 static void
 164 octeontx_port_promisc_set(struct octeontx_nic *nic, int en)
 165 {
 166         struct rte_eth_dev *dev;
 167         int res;
 168
 169         res = 0;
 170         PMD_INIT_FUNC_TRACE();
 171         dev = nic->dev;
 172
 173         res = octeontx_bgx_port_promisc_set(nic->port_id, en);
 174         if (res < 0)
 175                 octeontx_log_err("failed to set promiscuous mode %d",
 176                                 nic->port_id);
 177
 178         /* Set proper flag for the mode */
 179         dev->data->promiscuous = (en != 0) ? 1 : 0;
 180
 181         octeontx_log_dbg("port %d : promiscuous mode %s",
 182                         nic->port_id, en ? "set" : "unset");
 183 }
 184
 185 static void
 186 octeontx_port_stats(struct octeontx_nic *nic, struct rte_eth_stats *stats)
 187 {
 188         octeontx_mbox_bgx_port_stats_t bgx_stats;
 189         int res;
 190
 191         PMD_INIT_FUNC_TRACE();
 192
 193         res = octeontx_bgx_port_stats(nic->port_id, &bgx_stats);
 194         if (res < 0)
 195                 octeontx_log_err("failed to get port stats %d", nic->port_id);
 196
 197         stats->ipackets = bgx_stats.rx_packets;
 198         stats->ibytes = bgx_stats.rx_bytes;
 199         stats->imissed = bgx_stats.rx_dropped;
 200         stats->ierrors = bgx_stats.rx_errors;
 201         stats->opackets = bgx_stats.tx_packets;
 202         stats->obytes = bgx_stats.tx_bytes;
 203         stats->oerrors = bgx_stats.tx_errors;
 204
 205         octeontx_log_dbg("port%d stats inpkts=%" PRIx64 " outpkts=%" PRIx64 "",
 206                         nic->port_id, stats->ipackets, stats->opackets);
 207 }
 208
 209 static void
 210 octeontx_port_stats_clr(struct octeontx_nic *nic)
 211 {
 212         PMD_INIT_FUNC_TRACE();
 213
 214         octeontx_bgx_port_stats_clr(nic->port_id);
 215 }
 216
 217 static inline void
 218 devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf,
 219                                 struct rte_event_dev_info *info)
 220 {
 221         memset(dev_conf, 0, sizeof(struct rte_event_dev_config));
 222         dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns;
 223
 224         dev_conf->nb_event_ports = info->max_event_ports;
 225         dev_conf->nb_event_queues = info->max_event_queues;
 226
 227         dev_conf->nb_event_queue_flows = info->max_event_queue_flows;
 228         dev_conf->nb_event_port_dequeue_depth =
 229                         info->max_event_port_dequeue_depth;
 230         dev_conf->nb_event_port_enqueue_depth =
 231                         info->max_event_port_enqueue_depth;
 232         dev_conf->nb_event_port_enqueue_depth =
 233                         info->max_event_port_enqueue_depth;
 234         dev_conf->nb_events_limit =
 235                         info->max_num_events;
 236 }
 237
 238 static int
 239 octeontx_dev_configure(struct rte_eth_dev *dev)
 240 {
 241         struct rte_eth_dev_data *data = dev->data;
 242         struct rte_eth_conf *conf = &data->dev_conf;
 243         struct rte_eth_rxmode *rxmode = &conf->rxmode;
 244         struct rte_eth_txmode *txmode = &conf->txmode;
 245         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 246         int ret;
 247
 248         PMD_INIT_FUNC_TRACE();
 249         RTE_SET_USED(conf);
 250
 251         if (!rte_eal_has_hugepages()) {
 252                 octeontx_log_err("huge page is not configured");
 253                 return -EINVAL;
 254         }
 255
 256         if (txmode->mq_mode) {
 257                 octeontx_log_err("tx mq_mode DCB or VMDq not supported");
 258                 return -EINVAL;
 259         }
 260
 261         if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
 262                 rxmode->mq_mode != ETH_MQ_RX_RSS) {
 263                 octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode);
 264                 return -EINVAL;
 265         }
 266
 267         if (!rxmode->hw_strip_crc) {
 268                 PMD_INIT_LOG(NOTICE, "can't disable hw crc strip");
 269                 rxmode->hw_strip_crc = 1;
 270         }
 271
 272         if (rxmode->hw_ip_checksum) {
 273                 PMD_INIT_LOG(NOTICE, "rxcksum not supported");
 274                 rxmode->hw_ip_checksum = 0;
 275         }
 276
 277         if (rxmode->split_hdr_size) {
 278                 octeontx_log_err("rxmode does not support split header");
 279                 return -EINVAL;
 280         }
 281
 282         if (rxmode->hw_vlan_filter) {
 283                 octeontx_log_err("VLAN filter not supported");
 284                 return -EINVAL;
 285         }
 286
 287         if (rxmode->hw_vlan_extend) {
 288                 octeontx_log_err("VLAN extended not supported");
 289                 return -EINVAL;
 290         }
 291
 292         if (rxmode->enable_lro) {
 293                 octeontx_log_err("LRO not supported");
 294                 return -EINVAL;
 295         }
 296
 297         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
 298                 octeontx_log_err("setting link speed/duplex not supported");
 299                 return -EINVAL;
 300         }
 301
 302         if (conf->dcb_capability_en) {
 303                 octeontx_log_err("DCB enable not supported");
 304                 return -EINVAL;
 305         }
 306
 307         if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
 308                 octeontx_log_err("flow director not supported");
 309                 return -EINVAL;
 310         }
 311
 312         nic->num_tx_queues = dev->data->nb_tx_queues;
 313
 314         ret = octeontx_pko_channel_open(nic->port_id * PKO_VF_NUM_DQ,
 315                                         nic->num_tx_queues,
 316                                         nic->base_ochan);
 317         if (ret) {
 318                 octeontx_log_err("failed to open channel %d no-of-txq %d",
 319                            nic->base_ochan, nic->num_tx_queues);
 320                 return -EFAULT;
 321         }
 322
 323         nic->pki.classifier_enable = false;
 324         nic->pki.hash_enable = true;
 325         nic->pki.initialized = false;
 326
 327         return 0;
 328 }
 329
 330 static void
 331 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
 332 {
 333         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 334
 335         PMD_INIT_FUNC_TRACE();
 336         octeontx_port_promisc_set(nic, 1);
 337 }
 338
 339 static void
 340 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
 341 {
 342         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 343
 344         PMD_INIT_FUNC_TRACE();
 345         octeontx_port_promisc_set(nic, 0);
 346 }
 347
 348 static inline int
 349 octeontx_atomic_write_link_status(struct rte_eth_dev *dev,
 350                                   struct rte_eth_link *link)
 351 {
 352         struct rte_eth_link *dst = &dev->data->dev_link;
 353         struct rte_eth_link *src = link;
 354
 355         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 356                 *(uint64_t *)src) == 0)
 357                 return -1;
 358
 359         return 0;
 360 }
 361
 362 static int
 363 octeontx_port_link_status(struct octeontx_nic *nic)
 364 {
 365         int res;
 366
 367         PMD_INIT_FUNC_TRACE();
 368         res = octeontx_bgx_port_link_status(nic->port_id);
 369         if (res < 0) {
 370                 octeontx_log_err("failed to get port %d link status",
 371                                 nic->port_id);
 372                 return res;
 373         }
 374
 375         nic->link_up = (uint8_t)res;
 376         octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
 377
 378         return res;
 379 }
 380
 381 /*
 382  * Return 0 means link status changed, -1 means not changed
 383  */
 384 static int
 385 octeontx_dev_link_update(struct rte_eth_dev *dev,
 386                          int wait_to_complete __rte_unused)
 387 {
 388         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 389         struct rte_eth_link link;
 390         int res;
 391
 392         res = 0;
 393         PMD_INIT_FUNC_TRACE();
 394
 395         res = octeontx_port_link_status(nic);
 396         if (res < 0) {
 397                 octeontx_log_err("failed to request link status %d", res);
 398                 return res;
 399         }
 400
 401         link.link_status = nic->link_up;
 402
 403         switch (nic->speed) {
 404         case OCTEONTX_LINK_SPEED_SGMII:
 405                 link.link_speed = ETH_SPEED_NUM_1G;
 406                 break;
 407
 408         case OCTEONTX_LINK_SPEED_XAUI:
 409                 link.link_speed = ETH_SPEED_NUM_10G;
 410                 break;
 411
 412         case OCTEONTX_LINK_SPEED_RXAUI:
 413         case OCTEONTX_LINK_SPEED_10G_R:
 414                 link.link_speed = ETH_SPEED_NUM_10G;
 415                 break;
 416         case OCTEONTX_LINK_SPEED_QSGMII:
 417                 link.link_speed = ETH_SPEED_NUM_5G;
 418                 break;
 419         case OCTEONTX_LINK_SPEED_40G_R:
 420                 link.link_speed = ETH_SPEED_NUM_40G;
 421                 break;
 422
 423         case OCTEONTX_LINK_SPEED_RESERVE1:
 424         case OCTEONTX_LINK_SPEED_RESERVE2:
 425         default:
 426                 octeontx_log_err("incorrect link speed %d", nic->speed);
 427                 break;
 428         }
 429
 430         link.link_duplex = ETH_LINK_AUTONEG;
 431         link.link_autoneg = ETH_LINK_SPEED_AUTONEG;
 432
 433         return octeontx_atomic_write_link_status(dev, &link);
 434 }
 435
 436 static void
 437 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 438 {
 439         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 440
 441         PMD_INIT_FUNC_TRACE();
 442         octeontx_port_stats(nic, stats);
 443 }
 444
 445 static void
 446 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
 447 {
 448         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 449
 450         PMD_INIT_FUNC_TRACE();
 451         octeontx_port_stats_clr(nic);
 452 }
 453
 454 static void
 455 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
 456                                         struct ether_addr *addr)
 457 {
 458         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 459         int ret;
 460
 461         ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
 462         if (ret != 0)
 463                 octeontx_log_err("failed to set MAC address on port %d",
 464                                 nic->port_id);
 465 }
 466
 467 static void
 468 octeontx_dev_info(struct rte_eth_dev *dev,
 469                 struct rte_eth_dev_info *dev_info)
 470 {
 471         RTE_SET_USED(dev);
 472
 473         /* Autonegotiation may be disabled */
 474         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
 475         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
 476                         ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
 477                         ETH_LINK_SPEED_40G;
 478
 479         dev_info->driver_name = RTE_STR(rte_octeontx_pmd);
 480         dev_info->max_mac_addrs = 1;
 481         dev_info->max_rx_pktlen = PKI_MAX_PKTLEN;
 482         dev_info->max_rx_queues = 1;
 483         dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
 484         dev_info->min_rx_bufsize = 0;
 485         dev_info->pci_dev = NULL;
 486
 487         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 488                 .rx_free_thresh = 0,
 489                 .rx_drop_en = 0,
 490         };
 491
 492         dev_info->default_txconf = (struct rte_eth_txconf) {
 493                 .tx_free_thresh = 0,
 494                 .txq_flags =
 495                         ETH_TXQ_FLAGS_NOMULTSEGS |
 496                         ETH_TXQ_FLAGS_NOOFFLOADS |
 497                         ETH_TXQ_FLAGS_NOXSUMS,
 498         };
 499
 500         dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MT_LOCKFREE;
 501 }
 502
 503 static int
 504 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 505                                 uint16_t nb_desc, unsigned int socket_id,
 506                                 const struct rte_eth_rxconf *rx_conf,
 507                                 struct rte_mempool *mb_pool)
 508 {
 509         struct octeontx_nic *nic = octeontx_pmd_priv(dev);
 510         struct rte_mempool_ops *mp_ops = NULL;
 511         struct octeontx_rxq *rxq = NULL;
 512         pki_pktbuf_cfg_t pktbuf_conf;
 513         pki_hash_cfg_t pki_hash;
 514         pki_qos_cfg_t pki_qos;
 515         uintptr_t pool;
 516         int ret, port;
 517         uint8_t gaura;
 518         unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx;
 519         unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx;
 520
 521         RTE_SET_USED(nb_desc);
 522
 523         memset(&pktbuf_conf, 0, sizeof(pktbuf_conf));
 524         memset(&pki_hash, 0, sizeof(pki_hash));
 525         memset(&pki_qos, 0, sizeof(pki_qos));
 526
 527         mp_ops = rte_mempool_get_ops(mb_pool->ops_index);
 528         if (strcmp(mp_ops->name, "octeontx_fpavf")) {
 529                 octeontx_log_err("failed to find octeontx_fpavf mempool");
 530                 return -ENOTSUP;
 531         }
 532
 533         /* Handle forbidden configurations */
 534         if (nic->pki.classifier_enable) {
 535                 octeontx_log_err("cannot setup queue %d. "
 536                                         "Classifier option unsupported", qidx);
 537                 return -EINVAL;
 538         }
 539
 540         port = nic->port_id;
 541
 542         /* Rx deferred start is not supported */
 543         if (rx_conf->rx_deferred_start) {
 544                 octeontx_log_err("rx deferred start not supported");
 545                 return -EINVAL;
 546         }
 547
 548         /* Verify queue index */
 549         if (qidx >= dev->data->nb_rx_queues) {
 550                 octeontx_log_err("QID %d not supporteded (0 - %d available)\n",
 551                                 qidx, (dev->data->nb_rx_queues - 1));
 552                 return -ENOTSUP;
 553         }
 554
 555         /* Socket id check */
 556         if (socket_id != (unsigned int)SOCKET_ID_ANY &&
 557                         socket_id != (unsigned int)nic->node)
 558                 PMD_RX_LOG(INFO, "socket_id expected %d, configured %d",
 559                                                 socket_id, nic->node);
 560
 561         /* Allocating rx queue data structure */
 562         rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq),
 563                                  RTE_CACHE_LINE_SIZE, nic->node);
 564         if (rxq == NULL) {
 565                 octeontx_log_err("failed to allocate rxq=%d", qidx);
 566                 return -ENOMEM;
 567         }
 568
 569         if (!nic->pki.initialized) {
 570                 pktbuf_conf.port_type = 0;
 571                 pki_hash.port_type = 0;
 572                 pki_qos.port_type = 0;
 573
 574                 pktbuf_conf.mmask.f_wqe_skip = 1;
 575                 pktbuf_conf.mmask.f_first_skip = 1;
 576                 pktbuf_conf.mmask.f_later_skip = 1;
 577                 pktbuf_conf.mmask.f_mbuff_size = 1;
 578                 pktbuf_conf.mmask.f_cache_mode = 1;
 579
 580                 pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
 581                 pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP;
 582                 pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
 583                 pktbuf_conf.mbuff_size = (mb_pool->elt_size -
 584                                         RTE_PKTMBUF_HEADROOM -
 585                                         sizeof(struct rte_mbuf));
 586
 587                 pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
 588
 589                 ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
 590                 if (ret != 0) {
 591                         octeontx_log_err("fail to configure pktbuf for port %d",
 592                                         port);
 593                         rte_free(rxq);
 594                         return ret;
 595                 }
 596                 PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
 597                                 "\tmbuf_size:\t0x%0x\n"
 598                                 "\twqe_skip:\t0x%0x\n"
 599                                 "\tfirst_skip:\t0x%0x\n"
 600                                 "\tlater_skip:\t0x%0x\n"
 601                                 "\tcache_mode:\t%s\n",
 602                                 port,
 603                                 pktbuf_conf.mbuff_size,
 604                                 pktbuf_conf.wqe_skip,
 605                                 pktbuf_conf.first_skip,
 606                                 pktbuf_conf.later_skip,
 607                                 (pktbuf_conf.cache_mode ==
 608                                                 PKI_OPC_MODE_STT) ?
 609                                 "STT" :
 610                                 (pktbuf_conf.cache_mode ==
 611                                                 PKI_OPC_MODE_STF) ?
 612                                 "STF" :
 613                                 (pktbuf_conf.cache_mode ==
 614                                                 PKI_OPC_MODE_STF1_STT) ?
 615                                 "STF1_STT" : "STF2_STT");
 616
 617                 if (nic->pki.hash_enable) {
 618                         pki_hash.tag_dlc = 1;
 619                         pki_hash.tag_slc = 1;
 620                         pki_hash.tag_dlf = 1;
 621                         pki_hash.tag_slf = 1;
 622                         octeontx_pki_port_hash_config(port, &pki_hash);
 623                 }
 624
 625                 pool = (uintptr_t)mb_pool->pool_id;
 626
 627                 /* Get the gpool Id */
 628                 gaura = octeontx_fpa_bufpool_gpool(pool);
 629
 630                 pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
 631                 pki_qos.num_entry = 1;
 632                 pki_qos.drop_policy = 0;
 633                 pki_qos.tag_type = 2L;
 634                 pki_qos.qos_entry[0].port_add = 0;
 635                 pki_qos.qos_entry[0].gaura = gaura;
 636                 pki_qos.qos_entry[0].ggrp_ok = ev_queues;
 637                 pki_qos.qos_entry[0].ggrp_bad = ev_queues;
 638                 pki_qos.qos_entry[0].grptag_bad = 0;
 639                 pki_qos.qos_entry[0].grptag_ok = 0;
 640
 641                 ret = octeontx_pki_port_create_qos(port, &pki_qos);
 642                 if (ret < 0) {
 643                         octeontx_log_err("failed to create QOS port=%d, q=%d",
 644                                         port, qidx);
 645                         rte_free(rxq);
 646                         return ret;
 647                 }
 648                 nic->pki.initialized = true;
 649         }
 650
 651         rxq->port_id = nic->port_id;
 652         rxq->eth_dev = dev;
 653         rxq->queue_id = qidx;
 654         rxq->evdev = nic->evdev;
 655         rxq->ev_queues = ev_queues;
 656         rxq->ev_ports = ev_ports;
 657
 658         dev->data->rx_queues[qidx] = rxq;
 659         dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
 660         return 0;
 661 }
 662
 663 static void
 664 octeontx_dev_rx_queue_release(void *rxq)
 665 {
 666         rte_free(rxq);
 667 }
 668
 669 /* Initialize and register driver with DPDK Application */
 670 static const struct eth_dev_ops octeontx_dev_ops = {
 671         .dev_configure           = octeontx_dev_configure,
 672         .dev_infos_get           = octeontx_dev_info,
 673         .promiscuous_enable      = octeontx_dev_promisc_enable,
 674         .promiscuous_disable     = octeontx_dev_promisc_disable,
 675         .link_update             = octeontx_dev_link_update,
 676         .stats_get               = octeontx_dev_stats_get,
 677         .stats_reset             = octeontx_dev_stats_reset,
 678         .mac_addr_set            = octeontx_dev_default_mac_addr_set,
 679         .rx_queue_setup          = octeontx_dev_rx_queue_setup,
 680         .rx_queue_release        = octeontx_dev_rx_queue_release,
 681 };
 682
 683 /* Create Ethdev interface per BGX LMAC ports */
 684 static int
 685 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
 686                         int socket_id)
 687 {
 688         int res;
 689         char octtx_name[OCTEONTX_MAX_NAME_LEN];
 690         struct octeontx_nic *nic = NULL;
 691         struct rte_eth_dev *eth_dev = NULL;
 692         struct rte_eth_dev_data *data = NULL;
 693         const char *name = rte_vdev_device_name(dev);
 694
 695         PMD_INIT_FUNC_TRACE();
 696
 697         sprintf(octtx_name, "%s_%d", name, port);
 698         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 699                 eth_dev = rte_eth_dev_attach_secondary(octtx_name);
 700                 if (eth_dev == NULL)
 701                         return -ENODEV;
 702
 703                 return 0;
 704         }
 705
 706         data = rte_zmalloc_socket(octtx_name, sizeof(*data), 0, socket_id);
 707         if (data == NULL) {
 708                 octeontx_log_err("failed to allocate devdata");
 709                 res = -ENOMEM;
 710                 goto err;
 711         }
 712
 713         nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
 714         if (nic == NULL) {
 715                 octeontx_log_err("failed to allocate nic structure");
 716                 res = -ENOMEM;
 717                 goto err;
 718         }
 719
 720         nic->port_id = port;
 721         nic->evdev = evdev;
 722
 723         res = octeontx_port_open(nic);
 724         if (res < 0)
 725                 goto err;
 726
 727         /* Rx side port configuration */
 728         res = octeontx_pki_port_open(port);
 729         if (res != 0) {
 730                 octeontx_log_err("failed to open PKI port %d", port);
 731                 res = -ENODEV;
 732                 goto err;
 733         }
 734
 735         /* Reserve an ethdev entry */
 736         eth_dev = rte_eth_dev_allocate(octtx_name);
 737         if (eth_dev == NULL) {
 738                 octeontx_log_err("failed to allocate rte_eth_dev");
 739                 res = -ENOMEM;
 740                 goto err;
 741         }
 742
 743         eth_dev->device = &dev->device;
 744         eth_dev->intr_handle = NULL;
 745         eth_dev->data->kdrv = RTE_KDRV_NONE;
 746         eth_dev->data->numa_node = dev->device.numa_node;
 747
 748         rte_memcpy(data, (eth_dev)->data, sizeof(*data));
 749         data->dev_private = nic;
 750
 751         data->port_id = eth_dev->data->port_id;
 752         snprintf(data->name, sizeof(data->name), "%s", eth_dev->data->name);
 753
 754         nic->ev_queues = 1;
 755         nic->ev_ports = 1;
 756
 757         data->dev_link.link_status = ETH_LINK_DOWN;
 758         data->dev_started = 0;
 759         data->promiscuous = 0;
 760         data->all_multicast = 0;
 761         data->scattered_rx = 0;
 762
 763         data->mac_addrs = rte_zmalloc_socket(octtx_name, ETHER_ADDR_LEN, 0,
 764                                                         socket_id);
 765         if (data->mac_addrs == NULL) {
 766                 octeontx_log_err("failed to allocate memory for mac_addrs");
 767                 res = -ENOMEM;
 768                 goto err;
 769         }
 770
 771         eth_dev->data = data;
 772         eth_dev->dev_ops = &octeontx_dev_ops;
 773
 774         /* Finally save ethdev pointer to the NIC structure */
 775         nic->dev = eth_dev;
 776
 777         if (nic->port_id != data->port_id) {
 778                 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
 779                                 data->port_id, nic->port_id);
 780                 res = -EINVAL;
 781                 goto err;
 782         }
 783
 784         /* Update port_id mac to eth_dev */
 785         memcpy(data->mac_addrs, nic->mac_addr, ETHER_ADDR_LEN);
 786
 787         PMD_INIT_LOG(DEBUG, "ethdev info: ");
 788         PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
 789                                 nic->port_id, nic->port_ena,
 790                                 nic->base_ochan, nic->num_ochans,
 791                                 nic->num_tx_queues);
 792         PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu);
 793
 794         return data->port_id;
 795
 796 err:
 797         if (port)
 798                 octeontx_port_close(nic);
 799
 800         if (eth_dev != NULL) {
 801                 rte_free(eth_dev->data->mac_addrs);
 802                 rte_free(data);
 803                 rte_free(nic);
 804                 rte_eth_dev_release_port(eth_dev);
 805         }
 806
 807         return res;
 808 }
 809
 810 /* Un initialize octeontx device */
 811 static int
 812 octeontx_remove(struct rte_vdev_device *dev)
 813 {
 814         char octtx_name[OCTEONTX_MAX_NAME_LEN];
 815         struct rte_eth_dev *eth_dev = NULL;
 816         struct octeontx_nic *nic = NULL;
 817         int i;
 818
 819         if (dev == NULL)
 820                 return -EINVAL;
 821
 822         for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
 823                 sprintf(octtx_name, "eth_octeontx_%d", i);
 824
 825                 /* reserve an ethdev entry */
 826                 eth_dev = rte_eth_dev_allocated(octtx_name);
 827                 if (eth_dev == NULL)
 828                         return -ENODEV;
 829
 830                 nic = octeontx_pmd_priv(eth_dev);
 831                 rte_event_dev_stop(nic->evdev);
 832                 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
 833
 834                 rte_free(eth_dev->data->mac_addrs);
 835                 rte_free(eth_dev->data->dev_private);
 836                 rte_free(eth_dev->data);
 837                 rte_eth_dev_release_port(eth_dev);
 838                 rte_event_dev_close(nic->evdev);
 839         }
 840
 841         /* Free FC resource */
 842         octeontx_pko_fc_free();
 843
 844         return 0;
 845 }
 846
 847 /* Initialize octeontx device */
 848 static int
 849 octeontx_probe(struct rte_vdev_device *dev)
 850 {
 851         const char *dev_name;
 852         static int probe_once;
 853         uint8_t socket_id, qlist;
 854         int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
 855         struct rte_event_dev_config dev_conf;
 856         const char *eventdev_name = "event_octeontx";
 857         struct rte_event_dev_info info;
 858
 859         struct octeontx_vdev_init_params init_params = {
 860                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
 861         };
 862
 863         dev_name = rte_vdev_device_name(dev);
 864         res = octeontx_parse_vdev_init_params(&init_params, dev);
 865         if (res < 0)
 866                 return -EINVAL;
 867
 868         if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
 869                 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
 870                                 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
 871                 return -ENOTSUP;
 872         }
 873
 874         PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
 875
 876         socket_id = rte_socket_id();
 877
 878         tx_vfcnt = octeontx_pko_vf_count();
 879
 880         if (tx_vfcnt < init_params.nr_port) {
 881                 octeontx_log_err("not enough PKO (%d) for port number (%d)",
 882                                 tx_vfcnt, init_params.nr_port);
 883                 return -EINVAL;
 884         }
 885         evdev = rte_event_dev_get_dev_id(eventdev_name);
 886         if (evdev < 0) {
 887                 octeontx_log_err("eventdev %s not found", eventdev_name);
 888                 return -ENODEV;
 889         }
 890
 891         res = rte_event_dev_info_get(evdev, &info);
 892         if (res < 0) {
 893                 octeontx_log_err("failed to eventdev info %d", res);
 894                 return -EINVAL;
 895         }
 896
 897         PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
 898                         info.max_event_queues, info.max_event_ports);
 899
 900         if (octeontx_pko_init_fc(tx_vfcnt))
 901                 return -ENOMEM;
 902
 903         devconf_set_default_sane_values(&dev_conf, &info);
 904         res = rte_event_dev_configure(evdev, &dev_conf);
 905         if (res < 0)
 906                 goto parse_error;
 907
 908         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
 909                         (uint32_t *)&pnum);
 910         rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
 911                         (uint32_t *)&qnum);
 912         if (pnum < qnum) {
 913                 octeontx_log_err("too few event ports (%d) for event_q(%d)",
 914                                 pnum, qnum);
 915                 res = -EINVAL;
 916                 goto parse_error;
 917         }
 918         if (pnum > qnum) {
 919                 /*
 920                  * We don't poll on event ports
 921                  * that do not have any queues assigned.
 922                  */
 923                 pnum = qnum;
 924                 PMD_INIT_LOG(INFO,
 925                         "reducing number of active event ports to %d", pnum);
 926         }
 927         for (i = 0; i < qnum; i++) {
 928                 res = rte_event_queue_setup(evdev, i, NULL);
 929                 if (res < 0) {
 930                         octeontx_log_err("failed to setup event_q(%d): res %d",
 931                                         i, res);
 932                         goto parse_error;
 933                 }
 934         }
 935
 936         for (i = 0; i < pnum; i++) {
 937                 res = rte_event_port_setup(evdev, i, NULL);
 938                 if (res < 0) {
 939                         res = -ENODEV;
 940                         octeontx_log_err("failed to setup ev port(%d) res=%d",
 941                                                 i, res);
 942                         goto parse_error;
 943                 }
 944                 /* Link one queue to one event port */
 945                 qlist = i;
 946                 res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
 947                 if (res < 0) {
 948                         res = -ENODEV;
 949                         octeontx_log_err("failed to link port (%d): res=%d",
 950                                         i, res);
 951                         goto parse_error;
 952                 }
 953         }
 954
 955         /* Create ethdev interface */
 956         for (i = 0; i < init_params.nr_port; i++) {
 957                 port_id = octeontx_create(dev, i, evdev, socket_id);
 958                 if (port_id < 0) {
 959                         octeontx_log_err("failed to create device %s",
 960                                         dev_name);
 961                         res = -ENODEV;
 962                         goto parse_error;
 963                 }
 964
 965                 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
 966                                         port_id);
 967         }
 968
 969         if (probe_once) {
 970                 octeontx_log_err("interface %s not supported", dev_name);
 971                 octeontx_remove(dev);
 972                 res = -ENOTSUP;
 973                 goto parse_error;
 974         }
 975         probe_once = 1;
 976
 977         return 0;
 978
 979 parse_error:
 980         octeontx_pko_fc_free();
 981         return res;
 982 }
 983
 984 static struct rte_vdev_driver octeontx_pmd_drv = {
 985         .probe = octeontx_probe,
 986         .remove = octeontx_remove,
 987 };
 988
 989 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
 990 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
 991 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");