examples/ip_pipeline/init.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2016 Intel Corporation
   3  */
   4
   5 #include <inttypes.h>
   6 #include <stdio.h>
   7 #include <string.h>
   8 #include <netinet/in.h>
   9 #ifdef RTE_EXEC_ENV_LINUXAPP
  10 #include <linux/if.h>
  11 #include <linux/if_tun.h>
  12 #endif
  13 #include <fcntl.h>
  14 #include <sys/ioctl.h>
  15 #include <unistd.h>
  16
  17 #include <rte_cycles.h>
  18 #include <rte_ethdev.h>
  19 #include <rte_ether.h>
  20 #include <rte_ip.h>
  21 #include <rte_eal.h>
  22 #include <rte_malloc.h>
  23 #include <rte_bus_pci.h>
  24
  25 #include "app.h"
  26 #include "pipeline.h"
  27 #include "pipeline_common_fe.h"
  28 #include "pipeline_master.h"
  29 #include "pipeline_firewall.h"
  30 #include "pipeline_flow_actions.h"
  31 #include "thread_fe.h"
  32
  33 #define APP_NAME_SIZE   32
  34
  35 #define APP_RETA_SIZE_MAX     (ETH_RSS_RETA_SIZE_512 / RTE_RETA_GROUP_SIZE)
  36
  37 static void
  38 app_init_core_map(struct app_params *app)
  39 {
  40         APP_LOG(app, HIGH, "Initializing CPU core map ...");
  41         app->core_map = cpu_core_map_init(RTE_MAX_NUMA_NODES, RTE_MAX_LCORE,
  42                                 4, 0);
  43
  44         if (app->core_map == NULL)
  45                 rte_panic("Cannot create CPU core map\n");
  46
  47         if (app->log_level >= APP_LOG_LEVEL_LOW)
  48                 cpu_core_map_print(app->core_map);
  49 }
  50
  51 /* Core Mask String in Hex Representation */
  52 #define APP_CORE_MASK_STRING_SIZE ((64 * APP_CORE_MASK_SIZE) / 8 * 2 + 1)
  53
  54 static void
  55 app_init_core_mask(struct app_params *app)
  56 {
  57         uint32_t i;
  58         char core_mask_str[APP_CORE_MASK_STRING_SIZE];
  59
  60         for (i = 0; i < app->n_pipelines; i++) {
  61                 struct app_pipeline_params *p = &app->pipeline_params[i];
  62                 int lcore_id;
  63
  64                 lcore_id = cpu_core_map_get_lcore_id(app->core_map,
  65                         p->socket_id,
  66                         p->core_id,
  67                         p->hyper_th_id);
  68
  69                 if (lcore_id < 0)
  70                         rte_panic("Cannot create CPU core mask\n");
  71
  72                 app_core_enable_in_core_mask(app, lcore_id);
  73         }
  74
  75         app_core_build_core_mask_string(app, core_mask_str);
  76         APP_LOG(app, HIGH, "CPU core mask = 0x%s", core_mask_str);
  77 }
  78
  79 static void
  80 app_init_eal(struct app_params *app)
  81 {
  82         char buffer[256];
  83         char core_mask_str[APP_CORE_MASK_STRING_SIZE];
  84         struct app_eal_params *p = &app->eal_params;
  85         uint32_t n_args = 0;
  86         uint32_t i;
  87         int status;
  88
  89         app->eal_argv[n_args++] = strdup(app->app_name);
  90
  91         app_core_build_core_mask_string(app, core_mask_str);
  92         snprintf(buffer, sizeof(buffer), "-c%s", core_mask_str);
  93         app->eal_argv[n_args++] = strdup(buffer);
  94
  95         if (p->coremap) {
  96                 snprintf(buffer, sizeof(buffer), "--lcores=%s", p->coremap);
  97                 app->eal_argv[n_args++] = strdup(buffer);
  98         }
  99
 100         if (p->master_lcore_present) {
 101                 snprintf(buffer,
 102                         sizeof(buffer),
 103                         "--master-lcore=%" PRIu32,
 104                         p->master_lcore);
 105                 app->eal_argv[n_args++] = strdup(buffer);
 106         }
 107
 108         snprintf(buffer, sizeof(buffer), "-n%" PRIu32, p->channels);
 109         app->eal_argv[n_args++] = strdup(buffer);
 110
 111         if (p->memory_present) {
 112                 snprintf(buffer, sizeof(buffer), "-m%" PRIu32, p->memory);
 113                 app->eal_argv[n_args++] = strdup(buffer);
 114         }
 115
 116         if (p->ranks_present) {
 117                 snprintf(buffer, sizeof(buffer), "-r%" PRIu32, p->ranks);
 118                 app->eal_argv[n_args++] = strdup(buffer);
 119         }
 120
 121         for (i = 0; i < APP_MAX_LINKS; i++) {
 122                 if (p->pci_blacklist[i] == NULL)
 123                         break;
 124
 125                 snprintf(buffer,
 126                         sizeof(buffer),
 127                         "--pci-blacklist=%s",
 128                         p->pci_blacklist[i]);
 129                 app->eal_argv[n_args++] = strdup(buffer);
 130         }
 131
 132         if (app->port_mask != 0)
 133                 for (i = 0; i < APP_MAX_LINKS; i++) {
 134                         if (p->pci_whitelist[i] == NULL)
 135                                 break;
 136
 137                         snprintf(buffer,
 138                                 sizeof(buffer),
 139                                 "--pci-whitelist=%s",
 140                                 p->pci_whitelist[i]);
 141                         app->eal_argv[n_args++] = strdup(buffer);
 142                 }
 143         else
 144                 for (i = 0; i < app->n_links; i++) {
 145                         char *pci_bdf = app->link_params[i].pci_bdf;
 146
 147                         snprintf(buffer,
 148                                 sizeof(buffer),
 149                                 "--pci-whitelist=%s",
 150                                 pci_bdf);
 151                         app->eal_argv[n_args++] = strdup(buffer);
 152                 }
 153
 154         for (i = 0; i < APP_MAX_LINKS; i++) {
 155                 if (p->vdev[i] == NULL)
 156                         break;
 157
 158                 snprintf(buffer,
 159                         sizeof(buffer),
 160                         "--vdev=%s",
 161                         p->vdev[i]);
 162                 app->eal_argv[n_args++] = strdup(buffer);
 163         }
 164
 165         if ((p->vmware_tsc_map_present) && p->vmware_tsc_map) {
 166                 snprintf(buffer, sizeof(buffer), "--vmware-tsc-map");
 167                 app->eal_argv[n_args++] = strdup(buffer);
 168         }
 169
 170         if (p->proc_type) {
 171                 snprintf(buffer,
 172                         sizeof(buffer),
 173                         "--proc-type=%s",
 174                         p->proc_type);
 175                 app->eal_argv[n_args++] = strdup(buffer);
 176         }
 177
 178         if (p->syslog) {
 179                 snprintf(buffer, sizeof(buffer), "--syslog=%s", p->syslog);
 180                 app->eal_argv[n_args++] = strdup(buffer);
 181         }
 182
 183         if (p->log_level_present) {
 184                 snprintf(buffer,
 185                         sizeof(buffer),
 186                         "--log-level=%" PRIu32,
 187                         p->log_level);
 188                 app->eal_argv[n_args++] = strdup(buffer);
 189         }
 190
 191         if ((p->version_present) && p->version) {
 192                 snprintf(buffer, sizeof(buffer), "-v");
 193                 app->eal_argv[n_args++] = strdup(buffer);
 194         }
 195
 196         if ((p->help_present) && p->help) {
 197                 snprintf(buffer, sizeof(buffer), "--help");
 198                 app->eal_argv[n_args++] = strdup(buffer);
 199         }
 200
 201         if ((p->no_huge_present) && p->no_huge) {
 202                 snprintf(buffer, sizeof(buffer), "--no-huge");
 203                 app->eal_argv[n_args++] = strdup(buffer);
 204         }
 205
 206         if ((p->no_pci_present) && p->no_pci) {
 207                 snprintf(buffer, sizeof(buffer), "--no-pci");
 208                 app->eal_argv[n_args++] = strdup(buffer);
 209         }
 210
 211         if ((p->no_hpet_present) && p->no_hpet) {
 212                 snprintf(buffer, sizeof(buffer), "--no-hpet");
 213                 app->eal_argv[n_args++] = strdup(buffer);
 214         }
 215
 216         if ((p->no_shconf_present) && p->no_shconf) {
 217                 snprintf(buffer, sizeof(buffer), "--no-shconf");
 218                 app->eal_argv[n_args++] = strdup(buffer);
 219         }
 220
 221         if (p->add_driver) {
 222                 snprintf(buffer, sizeof(buffer), "-d%s", p->add_driver);
 223                 app->eal_argv[n_args++] = strdup(buffer);
 224         }
 225
 226         if (p->socket_mem) {
 227                 snprintf(buffer,
 228                         sizeof(buffer),
 229                         "--socket-mem=%s",
 230                         p->socket_mem);
 231                 app->eal_argv[n_args++] = strdup(buffer);
 232         }
 233
 234         if (p->huge_dir) {
 235                 snprintf(buffer, sizeof(buffer), "--huge-dir=%s", p->huge_dir);
 236                 app->eal_argv[n_args++] = strdup(buffer);
 237         }
 238
 239         if (p->file_prefix) {
 240                 snprintf(buffer,
 241                         sizeof(buffer),
 242                         "--file-prefix=%s",
 243                         p->file_prefix);
 244                 app->eal_argv[n_args++] = strdup(buffer);
 245         }
 246
 247         if (p->base_virtaddr) {
 248                 snprintf(buffer,
 249                         sizeof(buffer),
 250                         "--base-virtaddr=%s",
 251                         p->base_virtaddr);
 252                 app->eal_argv[n_args++] = strdup(buffer);
 253         }
 254
 255         if ((p->create_uio_dev_present) && p->create_uio_dev) {
 256                 snprintf(buffer, sizeof(buffer), "--create-uio-dev");
 257                 app->eal_argv[n_args++] = strdup(buffer);
 258         }
 259
 260         if (p->vfio_intr) {
 261                 snprintf(buffer,
 262                         sizeof(buffer),
 263                         "--vfio-intr=%s",
 264                         p->vfio_intr);
 265                 app->eal_argv[n_args++] = strdup(buffer);
 266         }
 267
 268         snprintf(buffer, sizeof(buffer), "--");
 269         app->eal_argv[n_args++] = strdup(buffer);
 270
 271         app->eal_argc = n_args;
 272
 273         APP_LOG(app, HIGH, "Initializing EAL ...");
 274         if (app->log_level >= APP_LOG_LEVEL_LOW) {
 275                 int i;
 276
 277                 fprintf(stdout, "[APP] EAL arguments: \"");
 278                 for (i = 1; i < app->eal_argc; i++)
 279                         fprintf(stdout, "%s ", app->eal_argv[i]);
 280                 fprintf(stdout, "\"\n");
 281         }
 282
 283         status = rte_eal_init(app->eal_argc, app->eal_argv);
 284         if (status < 0)
 285                 rte_panic("EAL init error\n");
 286 }
 287
 288 static void
 289 app_init_mempool(struct app_params *app)
 290 {
 291         uint32_t i;
 292
 293         for (i = 0; i < app->n_mempools; i++) {
 294                 struct app_mempool_params *p = &app->mempool_params[i];
 295
 296                 APP_LOG(app, HIGH, "Initializing %s ...", p->name);
 297                 app->mempool[i] = rte_pktmbuf_pool_create(
 298                         p->name,
 299                         p->pool_size,
 300                         p->cache_size,
 301                         0, /* priv_size */
 302                         p->buffer_size -
 303                                 sizeof(struct rte_mbuf), /* mbuf data size */
 304                         p->cpu_socket_id);
 305
 306                 if (app->mempool[i] == NULL)
 307                         rte_panic("%s init error\n", p->name);
 308         }
 309 }
 310
 311 static inline int
 312 app_link_filter_arp_add(struct app_link_params *link)
 313 {
 314         struct rte_eth_ethertype_filter filter = {
 315                 .ether_type = ETHER_TYPE_ARP,
 316                 .flags = 0,
 317                 .queue = link->arp_q,
 318         };
 319
 320         return rte_eth_dev_filter_ctrl(link->pmd_id,
 321                 RTE_ETH_FILTER_ETHERTYPE,
 322                 RTE_ETH_FILTER_ADD,
 323                 &filter);
 324 }
 325
 326 static inline int
 327 app_link_filter_tcp_syn_add(struct app_link_params *link)
 328 {
 329         struct rte_eth_syn_filter filter = {
 330                 .hig_pri = 1,
 331                 .queue = link->tcp_syn_q,
 332         };
 333
 334         return rte_eth_dev_filter_ctrl(link->pmd_id,
 335                 RTE_ETH_FILTER_SYN,
 336                 RTE_ETH_FILTER_ADD,
 337                 &filter);
 338 }
 339
 340 static inline int
 341 app_link_filter_ip_add(struct app_link_params *l1, struct app_link_params *l2)
 342 {
 343         struct rte_eth_ntuple_filter filter = {
 344                 .flags = RTE_5TUPLE_FLAGS,
 345                 .dst_ip = rte_bswap32(l2->ip),
 346                 .dst_ip_mask = UINT32_MAX, /* Enable */
 347                 .src_ip = 0,
 348                 .src_ip_mask = 0, /* Disable */
 349                 .dst_port = 0,
 350                 .dst_port_mask = 0, /* Disable */
 351                 .src_port = 0,
 352                 .src_port_mask = 0, /* Disable */
 353                 .proto = 0,
 354                 .proto_mask = 0, /* Disable */
 355                 .tcp_flags = 0,
 356                 .priority = 1, /* Lowest */
 357                 .queue = l1->ip_local_q,
 358         };
 359
 360         return rte_eth_dev_filter_ctrl(l1->pmd_id,
 361                 RTE_ETH_FILTER_NTUPLE,
 362                 RTE_ETH_FILTER_ADD,
 363                 &filter);
 364 }
 365
 366 static inline int
 367 app_link_filter_ip_del(struct app_link_params *l1, struct app_link_params *l2)
 368 {
 369         struct rte_eth_ntuple_filter filter = {
 370                 .flags = RTE_5TUPLE_FLAGS,
 371                 .dst_ip = rte_bswap32(l2->ip),
 372                 .dst_ip_mask = UINT32_MAX, /* Enable */
 373                 .src_ip = 0,
 374                 .src_ip_mask = 0, /* Disable */
 375                 .dst_port = 0,
 376                 .dst_port_mask = 0, /* Disable */
 377                 .src_port = 0,
 378                 .src_port_mask = 0, /* Disable */
 379                 .proto = 0,
 380                 .proto_mask = 0, /* Disable */
 381                 .tcp_flags = 0,
 382                 .priority = 1, /* Lowest */
 383                 .queue = l1->ip_local_q,
 384         };
 385
 386         return rte_eth_dev_filter_ctrl(l1->pmd_id,
 387                 RTE_ETH_FILTER_NTUPLE,
 388                 RTE_ETH_FILTER_DELETE,
 389                 &filter);
 390 }
 391
 392 static inline int
 393 app_link_filter_tcp_add(struct app_link_params *l1, struct app_link_params *l2)
 394 {
 395         struct rte_eth_ntuple_filter filter = {
 396                 .flags = RTE_5TUPLE_FLAGS,
 397                 .dst_ip = rte_bswap32(l2->ip),
 398                 .dst_ip_mask = UINT32_MAX, /* Enable */
 399                 .src_ip = 0,
 400                 .src_ip_mask = 0, /* Disable */
 401                 .dst_port = 0,
 402                 .dst_port_mask = 0, /* Disable */
 403                 .src_port = 0,
 404                 .src_port_mask = 0, /* Disable */
 405                 .proto = IPPROTO_TCP,
 406                 .proto_mask = UINT8_MAX, /* Enable */
 407                 .tcp_flags = 0,
 408                 .priority = 2, /* Higher priority than IP */
 409                 .queue = l1->tcp_local_q,
 410         };
 411
 412         return rte_eth_dev_filter_ctrl(l1->pmd_id,
 413                 RTE_ETH_FILTER_NTUPLE,
 414                 RTE_ETH_FILTER_ADD,
 415                 &filter);
 416 }
 417
 418 static inline int
 419 app_link_filter_tcp_del(struct app_link_params *l1, struct app_link_params *l2)
 420 {
 421         struct rte_eth_ntuple_filter filter = {
 422                 .flags = RTE_5TUPLE_FLAGS,
 423                 .dst_ip = rte_bswap32(l2->ip),
 424                 .dst_ip_mask = UINT32_MAX, /* Enable */
 425                 .src_ip = 0,
 426                 .src_ip_mask = 0, /* Disable */
 427                 .dst_port = 0,
 428                 .dst_port_mask = 0, /* Disable */
 429                 .src_port = 0,
 430                 .src_port_mask = 0, /* Disable */
 431                 .proto = IPPROTO_TCP,
 432                 .proto_mask = UINT8_MAX, /* Enable */
 433                 .tcp_flags = 0,
 434                 .priority = 2, /* Higher priority than IP */
 435                 .queue = l1->tcp_local_q,
 436         };
 437
 438         return rte_eth_dev_filter_ctrl(l1->pmd_id,
 439                 RTE_ETH_FILTER_NTUPLE,
 440                 RTE_ETH_FILTER_DELETE,
 441                 &filter);
 442 }
 443
 444 static inline int
 445 app_link_filter_udp_add(struct app_link_params *l1, struct app_link_params *l2)
 446 {
 447         struct rte_eth_ntuple_filter filter = {
 448                 .flags = RTE_5TUPLE_FLAGS,
 449                 .dst_ip = rte_bswap32(l2->ip),
 450                 .dst_ip_mask = UINT32_MAX, /* Enable */
 451                 .src_ip = 0,
 452                 .src_ip_mask = 0, /* Disable */
 453                 .dst_port = 0,
 454                 .dst_port_mask = 0, /* Disable */
 455                 .src_port = 0,
 456                 .src_port_mask = 0, /* Disable */
 457                 .proto = IPPROTO_UDP,
 458                 .proto_mask = UINT8_MAX, /* Enable */
 459                 .tcp_flags = 0,
 460                 .priority = 2, /* Higher priority than IP */
 461                 .queue = l1->udp_local_q,
 462         };
 463
 464         return rte_eth_dev_filter_ctrl(l1->pmd_id,
 465                 RTE_ETH_FILTER_NTUPLE,
 466                 RTE_ETH_FILTER_ADD,
 467                 &filter);
 468 }
 469
 470 static inline int
 471 app_link_filter_udp_del(struct app_link_params *l1, struct app_link_params *l2)
 472 {
 473         struct rte_eth_ntuple_filter filter = {
 474                 .flags = RTE_5TUPLE_FLAGS,
 475                 .dst_ip = rte_bswap32(l2->ip),
 476                 .dst_ip_mask = UINT32_MAX, /* Enable */
 477                 .src_ip = 0,
 478                 .src_ip_mask = 0, /* Disable */
 479                 .dst_port = 0,
 480                 .dst_port_mask = 0, /* Disable */
 481                 .src_port = 0,
 482                 .src_port_mask = 0, /* Disable */
 483                 .proto = IPPROTO_UDP,
 484                 .proto_mask = UINT8_MAX, /* Enable */
 485                 .tcp_flags = 0,
 486                 .priority = 2, /* Higher priority than IP */
 487                 .queue = l1->udp_local_q,
 488         };
 489
 490         return rte_eth_dev_filter_ctrl(l1->pmd_id,
 491                 RTE_ETH_FILTER_NTUPLE,
 492                 RTE_ETH_FILTER_DELETE,
 493                 &filter);
 494 }
 495
 496 static inline int
 497 app_link_filter_sctp_add(struct app_link_params *l1, struct app_link_params *l2)
 498 {
 499         struct rte_eth_ntuple_filter filter = {
 500                 .flags = RTE_5TUPLE_FLAGS,
 501                 .dst_ip = rte_bswap32(l2->ip),
 502                 .dst_ip_mask = UINT32_MAX, /* Enable */
 503                 .src_ip = 0,
 504                 .src_ip_mask = 0, /* Disable */
 505                 .dst_port = 0,
 506                 .dst_port_mask = 0, /* Disable */
 507                 .src_port = 0,
 508                 .src_port_mask = 0, /* Disable */
 509                 .proto = IPPROTO_SCTP,
 510                 .proto_mask = UINT8_MAX, /* Enable */
 511                 .tcp_flags = 0,
 512                 .priority = 2, /* Higher priority than IP */
 513                 .queue = l1->sctp_local_q,
 514         };
 515
 516         return rte_eth_dev_filter_ctrl(l1->pmd_id,
 517                 RTE_ETH_FILTER_NTUPLE,
 518                 RTE_ETH_FILTER_ADD,
 519                 &filter);
 520 }
 521
 522 static inline int
 523 app_link_filter_sctp_del(struct app_link_params *l1, struct app_link_params *l2)
 524 {
 525         struct rte_eth_ntuple_filter filter = {
 526                 .flags = RTE_5TUPLE_FLAGS,
 527                 .dst_ip = rte_bswap32(l2->ip),
 528                 .dst_ip_mask = UINT32_MAX, /* Enable */
 529                 .src_ip = 0,
 530                 .src_ip_mask = 0, /* Disable */
 531                 .dst_port = 0,
 532                 .dst_port_mask = 0, /* Disable */
 533                 .src_port = 0,
 534                 .src_port_mask = 0, /* Disable */
 535                 .proto = IPPROTO_SCTP,
 536                 .proto_mask = UINT8_MAX, /* Enable */
 537                 .tcp_flags = 0,
 538                 .priority = 2, /* Higher priority than IP */
 539                 .queue = l1->sctp_local_q,
 540         };
 541
 542         return rte_eth_dev_filter_ctrl(l1->pmd_id,
 543                 RTE_ETH_FILTER_NTUPLE,
 544                 RTE_ETH_FILTER_DELETE,
 545                 &filter);
 546 }
 547
 548 static void
 549 app_link_set_arp_filter(struct app_params *app, struct app_link_params *cp)
 550 {
 551         if (cp->arp_q != 0) {
 552                 int status = app_link_filter_arp_add(cp);
 553
 554                 APP_LOG(app, LOW, "%s (%" PRIu32 "): "
 555                         "Adding ARP filter (queue = %" PRIu32 ")",
 556                         cp->name, cp->pmd_id, cp->arp_q);
 557
 558                 if (status)
 559                         rte_panic("%s (%" PRIu32 "): "
 560                                 "Error adding ARP filter "
 561                                 "(queue = %" PRIu32 ") (%" PRId32 ")\n",
 562                                 cp->name, cp->pmd_id, cp->arp_q, status);
 563         }
 564 }
 565
 566 static void
 567 app_link_set_tcp_syn_filter(struct app_params *app, struct app_link_params *cp)
 568 {
 569         if (cp->tcp_syn_q != 0) {
 570                 int status = app_link_filter_tcp_syn_add(cp);
 571
 572                 APP_LOG(app, LOW, "%s (%" PRIu32 "): "
 573                         "Adding TCP SYN filter (queue = %" PRIu32 ")",
 574                         cp->name, cp->pmd_id, cp->tcp_syn_q);
 575
 576                 if (status)
 577                         rte_panic("%s (%" PRIu32 "): "
 578                                 "Error adding TCP SYN filter "
 579                                 "(queue = %" PRIu32 ") (%" PRId32 ")\n",
 580                                 cp->name, cp->pmd_id, cp->tcp_syn_q,
 581                                 status);
 582         }
 583 }
 584
 585 void
 586 app_link_up_internal(struct app_params *app, struct app_link_params *cp)
 587 {
 588         uint32_t i;
 589         int status;
 590
 591         /* For each link, add filters for IP of current link */
 592         if (cp->ip != 0) {
 593                 for (i = 0; i < app->n_links; i++) {
 594                         struct app_link_params *p = &app->link_params[i];
 595
 596                         /* IP */
 597                         if (p->ip_local_q != 0) {
 598                                 int status = app_link_filter_ip_add(p, cp);
 599
 600                                 APP_LOG(app, LOW, "%s (%" PRIu32 "): "
 601                                         "Adding IP filter (queue= %" PRIu32
 602                                         ", IP = 0x%08" PRIx32 ")",
 603                                         p->name, p->pmd_id, p->ip_local_q,
 604                                         cp->ip);
 605
 606                                 if (status)
 607                                         rte_panic("%s (%" PRIu32 "): "
 608                                                 "Error adding IP "
 609                                                 "filter (queue= %" PRIu32 ", "
 610                                                 "IP = 0x%08" PRIx32
 611                                                 ") (%" PRId32 ")\n",
 612                                                 p->name, p->pmd_id,
 613                                                 p->ip_local_q, cp->ip, status);
 614                         }
 615
 616                         /* TCP */
 617                         if (p->tcp_local_q != 0) {
 618                                 int status = app_link_filter_tcp_add(p, cp);
 619
 620                                 APP_LOG(app, LOW, "%s (%" PRIu32 "): "
 621                                         "Adding TCP filter "
 622                                         "(queue = %" PRIu32
 623                                         ", IP = 0x%08" PRIx32 ")",
 624                                         p->name, p->pmd_id, p->tcp_local_q,
 625                                         cp->ip);
 626
 627                                 if (status)
 628                                         rte_panic("%s (%" PRIu32 "): "
 629                                                 "Error adding TCP "
 630                                                 "filter (queue = %" PRIu32 ", "
 631                                                 "IP = 0x%08" PRIx32
 632                                                 ") (%" PRId32 ")\n",
 633                                                 p->name, p->pmd_id,
 634                                                 p->tcp_local_q, cp->ip, status);
 635                         }
 636
 637                         /* UDP */
 638                         if (p->udp_local_q != 0) {
 639                                 int status = app_link_filter_udp_add(p, cp);
 640
 641                                 APP_LOG(app, LOW, "%s (%" PRIu32 "): "
 642                                         "Adding UDP filter "
 643                                         "(queue = %" PRIu32
 644                                         ", IP = 0x%08" PRIx32 ")",
 645                                         p->name, p->pmd_id, p->udp_local_q,
 646                                         cp->ip);
 647
 648                                 if (status)
 649                                         rte_panic("%s (%" PRIu32 "): "
 650                                                 "Error adding UDP "
 651                                                 "filter (queue = %" PRIu32 ", "
 652                                                 "IP = 0x%08" PRIx32
 653                                                 ") (%" PRId32 ")\n",
 654                                                 p->name, p->pmd_id,
 655                                                 p->udp_local_q, cp->ip, status);
 656                         }
 657
 658                         /* SCTP */
 659                         if (p->sctp_local_q != 0) {
 660                                 int status = app_link_filter_sctp_add(p, cp);
 661
 662                                 APP_LOG(app, LOW, "%s (%" PRIu32
 663                                         "): Adding SCTP filter "
 664                                         "(queue = %" PRIu32
 665                                         ", IP = 0x%08" PRIx32 ")",
 666                                         p->name, p->pmd_id, p->sctp_local_q,
 667                                         cp->ip);
 668
 669                                 if (status)
 670                                         rte_panic("%s (%" PRIu32 "): "
 671                                                 "Error adding SCTP "
 672                                                 "filter (queue = %" PRIu32 ", "
 673                                                 "IP = 0x%08" PRIx32
 674                                                 ") (%" PRId32 ")\n",
 675                                                 p->name, p->pmd_id,
 676                                                 p->sctp_local_q, cp->ip,
 677                                                 status);
 678                         }
 679                 }
 680         }
 681
 682         /* PMD link up */
 683         status = rte_eth_dev_set_link_up(cp->pmd_id);
 684         /* Do not panic if PMD does not provide link up functionality */
 685         if (status < 0 && status != -ENOTSUP)
 686                 rte_panic("%s (%" PRIu32 "): PMD set link up error %"
 687                         PRId32 "\n", cp->name, cp->pmd_id, status);
 688
 689         /* Mark link as UP */
 690         cp->state = 1;
 691 }
 692
 693 void
 694 app_link_down_internal(struct app_params *app, struct app_link_params *cp)
 695 {
 696         uint32_t i;
 697         int status;
 698
 699         /* PMD link down */
 700         status = rte_eth_dev_set_link_down(cp->pmd_id);
 701         /* Do not panic if PMD does not provide link down functionality */
 702         if (status < 0 && status != -ENOTSUP)
 703                 rte_panic("%s (%" PRIu32 "): PMD set link down error %"
 704                         PRId32 "\n", cp->name, cp->pmd_id, status);
 705
 706         /* Mark link as DOWN */
 707         cp->state = 0;
 708
 709         /* Return if current link IP is not valid */
 710         if (cp->ip == 0)
 711                 return;
 712
 713         /* For each link, remove filters for IP of current link */
 714         for (i = 0; i < app->n_links; i++) {
 715                 struct app_link_params *p = &app->link_params[i];
 716
 717                 /* IP */
 718                 if (p->ip_local_q != 0) {
 719                         int status = app_link_filter_ip_del(p, cp);
 720
 721                         APP_LOG(app, LOW, "%s (%" PRIu32
 722                                 "): Deleting IP filter "
 723                                 "(queue = %" PRIu32 ", IP = 0x%" PRIx32 ")",
 724                                 p->name, p->pmd_id, p->ip_local_q, cp->ip);
 725
 726                         if (status)
 727                                 rte_panic("%s (%" PRIu32
 728                                         "): Error deleting IP filter "
 729                                         "(queue = %" PRIu32
 730                                         ", IP = 0x%" PRIx32
 731                                         ") (%" PRId32 ")\n",
 732                                         p->name, p->pmd_id, p->ip_local_q,
 733                                         cp->ip, status);
 734                 }
 735
 736                 /* TCP */
 737                 if (p->tcp_local_q != 0) {
 738                         int status = app_link_filter_tcp_del(p, cp);
 739
 740                         APP_LOG(app, LOW, "%s (%" PRIu32
 741                                 "): Deleting TCP filter "
 742                                 "(queue = %" PRIu32
 743                                 ", IP = 0x%" PRIx32 ")",
 744                                 p->name, p->pmd_id, p->tcp_local_q, cp->ip);
 745
 746                         if (status)
 747                                 rte_panic("%s (%" PRIu32
 748                                         "): Error deleting TCP filter "
 749                                         "(queue = %" PRIu32
 750                                         ", IP = 0x%" PRIx32
 751                                         ") (%" PRId32 ")\n",
 752                                         p->name, p->pmd_id, p->tcp_local_q,
 753                                         cp->ip, status);
 754                 }
 755
 756                 /* UDP */
 757                 if (p->udp_local_q != 0) {
 758                         int status = app_link_filter_udp_del(p, cp);
 759
 760                         APP_LOG(app, LOW, "%s (%" PRIu32
 761                                 "): Deleting UDP filter "
 762                                 "(queue = %" PRIu32 ", IP = 0x%" PRIx32 ")",
 763                                 p->name, p->pmd_id, p->udp_local_q, cp->ip);
 764
 765                         if (status)
 766                                 rte_panic("%s (%" PRIu32
 767                                         "): Error deleting UDP filter "
 768                                         "(queue = %" PRIu32
 769                                         ", IP = 0x%" PRIx32
 770                                         ") (%" PRId32 ")\n",
 771                                         p->name, p->pmd_id, p->udp_local_q,
 772                                         cp->ip, status);
 773                 }
 774
 775                 /* SCTP */
 776                 if (p->sctp_local_q != 0) {
 777                         int status = app_link_filter_sctp_del(p, cp);
 778
 779                         APP_LOG(app, LOW, "%s (%" PRIu32
 780                                 "): Deleting SCTP filter "
 781                                 "(queue = %" PRIu32
 782                                 ", IP = 0x%" PRIx32 ")",
 783                                 p->name, p->pmd_id, p->sctp_local_q, cp->ip);
 784
 785                         if (status)
 786                                 rte_panic("%s (%" PRIu32
 787                                         "): Error deleting SCTP filter "
 788                                         "(queue = %" PRIu32
 789                                         ", IP = 0x%" PRIx32
 790                                         ") (%" PRId32 ")\n",
 791                                         p->name, p->pmd_id, p->sctp_local_q,
 792                                         cp->ip, status);
 793                 }
 794         }
 795 }
 796
 797 static void
 798 app_check_link(struct app_params *app)
 799 {
 800         uint32_t all_links_up, i;
 801
 802         all_links_up = 1;
 803
 804         for (i = 0; i < app->n_links; i++) {
 805                 struct app_link_params *p = &app->link_params[i];
 806                 struct rte_eth_link link_params;
 807
 808                 memset(&link_params, 0, sizeof(link_params));
 809                 rte_eth_link_get(p->pmd_id, &link_params);
 810
 811                 APP_LOG(app, HIGH, "%s (%" PRIu32 ") (%" PRIu32 " Gbps) %s",
 812                         p->name,
 813                         p->pmd_id,
 814                         link_params.link_speed / 1000,
 815                         link_params.link_status ? "UP" : "DOWN");
 816
 817                 if (link_params.link_status == ETH_LINK_DOWN)
 818                         all_links_up = 0;
 819         }
 820
 821         if (all_links_up == 0)
 822                 rte_panic("Some links are DOWN\n");
 823 }
 824
 825 static uint32_t
 826 is_any_swq_frag_or_ras(struct app_params *app)
 827 {
 828         uint32_t i;
 829
 830         for (i = 0; i < app->n_pktq_swq; i++) {
 831                 struct app_pktq_swq_params *p = &app->swq_params[i];
 832
 833                 if ((p->ipv4_frag == 1) || (p->ipv6_frag == 1) ||
 834                         (p->ipv4_ras == 1) || (p->ipv6_ras == 1))
 835                         return 1;
 836         }
 837
 838         return 0;
 839 }
 840
 841 static void
 842 app_init_link_frag_ras(struct app_params *app)
 843 {
 844         uint32_t i;
 845
 846         if (is_any_swq_frag_or_ras(app)) {
 847                 for (i = 0; i < app->n_links; i++) {
 848                         struct app_link_params *p_link = &app->link_params[i];
 849                                 p_link->conf.txmode.offloads |=
 850                                                 DEV_TX_OFFLOAD_MULTI_SEGS;
 851                 }
 852         }
 853 }
 854
 855 static inline int
 856 app_get_cpu_socket_id(uint32_t pmd_id)
 857 {
 858         int status = rte_eth_dev_socket_id(pmd_id);
 859
 860         return (status != SOCKET_ID_ANY) ? status : 0;
 861 }
 862
 863 static inline int
 864 app_link_rss_enabled(struct app_link_params *cp)
 865 {
 866         return (cp->n_rss_qs) ? 1 : 0;
 867 }
 868
 869 static void
 870 app_link_rss_setup(struct app_link_params *cp)
 871 {
 872         struct rte_eth_dev_info dev_info;
 873         struct rte_eth_rss_reta_entry64 reta_conf[APP_RETA_SIZE_MAX];
 874         uint32_t i;
 875         int status;
 876
 877     /* Get RETA size */
 878         memset(&dev_info, 0, sizeof(dev_info));
 879         rte_eth_dev_info_get(cp->pmd_id, &dev_info);
 880
 881         if (dev_info.reta_size == 0)
 882                 rte_panic("%s (%u): RSS setup error (null RETA size)\n",
 883                         cp->name, cp->pmd_id);
 884
 885         if (dev_info.reta_size > ETH_RSS_RETA_SIZE_512)
 886                 rte_panic("%s (%u): RSS setup error (RETA size too big)\n",
 887                         cp->name, cp->pmd_id);
 888
 889         /* Setup RETA contents */
 890         memset(reta_conf, 0, sizeof(reta_conf));
 891
 892         for (i = 0; i < dev_info.reta_size; i++)
 893                 reta_conf[i / RTE_RETA_GROUP_SIZE].mask = UINT64_MAX;
 894
 895         for (i = 0; i < dev_info.reta_size; i++) {
 896                 uint32_t reta_id = i / RTE_RETA_GROUP_SIZE;
 897                 uint32_t reta_pos = i % RTE_RETA_GROUP_SIZE;
 898                 uint32_t rss_qs_pos = i % cp->n_rss_qs;
 899
 900                 reta_conf[reta_id].reta[reta_pos] =
 901                         (uint16_t) cp->rss_qs[rss_qs_pos];
 902         }
 903
 904         /* RETA update */
 905         status = rte_eth_dev_rss_reta_update(cp->pmd_id,
 906                 reta_conf,
 907                 dev_info.reta_size);
 908         if (status != 0)
 909                 rte_panic("%s (%u): RSS setup error (RETA update failed)\n",
 910                         cp->name, cp->pmd_id);
 911 }
 912
 913 static void
 914 app_init_link_set_config(struct app_link_params *p)
 915 {
 916         if (p->n_rss_qs) {
 917                 p->conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
 918                 p->conf.rx_adv_conf.rss_conf.rss_hf = p->rss_proto_ipv4 |
 919                         p->rss_proto_ipv6 |
 920                         p->rss_proto_l2;
 921         }
 922 }
 923
 924 static void
 925 app_init_link(struct app_params *app)
 926 {
 927         uint32_t i;
 928
 929         app_init_link_frag_ras(app);
 930
 931         for (i = 0; i < app->n_links; i++) {
 932                 struct app_link_params *p_link = &app->link_params[i];
 933                 struct rte_eth_dev_info dev_info;
 934                 uint32_t link_id, n_hwq_in, n_hwq_out, j;
 935                 int status;
 936
 937                 sscanf(p_link->name, "LINK%" PRIu32, &link_id);
 938                 n_hwq_in = app_link_get_n_rxq(app, p_link);
 939                 n_hwq_out = app_link_get_n_txq(app, p_link);
 940                 app_init_link_set_config(p_link);
 941
 942                 APP_LOG(app, HIGH, "Initializing %s (%" PRIu32") "
 943                         "(%" PRIu32 " RXQ, %" PRIu32 " TXQ) ...",
 944                         p_link->name,
 945                         p_link->pmd_id,
 946                         n_hwq_in,
 947                         n_hwq_out);
 948
 949                 /* LINK */
 950                 rte_eth_dev_info_get(p_link->pmd_id, &dev_info);
 951                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 952                         p_link->conf.txmode.offloads |=
 953                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 954                 status = rte_eth_dev_configure(
 955                         p_link->pmd_id,
 956                         n_hwq_in,
 957                         n_hwq_out,
 958                         &p_link->conf);
 959                 if (status < 0)
 960                         rte_panic("%s (%" PRId32 "): "
 961                                 "init error (%" PRId32 ")\n",
 962                                 p_link->name, p_link->pmd_id, status);
 963
 964                 rte_eth_macaddr_get(p_link->pmd_id,
 965                         (struct ether_addr *) &p_link->mac_addr);
 966
 967                 if (p_link->promisc)
 968                         rte_eth_promiscuous_enable(p_link->pmd_id);
 969
 970                 /* RXQ */
 971                 for (j = 0; j < app->n_pktq_hwq_in; j++) {
 972                         struct app_pktq_hwq_in_params *p_rxq =
 973                                 &app->hwq_in_params[j];
 974                         uint32_t rxq_link_id, rxq_queue_id;
 975                         uint16_t nb_rxd = p_rxq->size;
 976
 977                         sscanf(p_rxq->name, "RXQ%" PRIu32 ".%" PRIu32,
 978                                 &rxq_link_id, &rxq_queue_id);
 979                         if (rxq_link_id != link_id)
 980                                 continue;
 981
 982                         status = rte_eth_dev_adjust_nb_rx_tx_desc(
 983                                 p_link->pmd_id,
 984                                 &nb_rxd,
 985                                 NULL);
 986                         if (status < 0)
 987                                 rte_panic("%s (%" PRIu32 "): "
 988                                         "%s adjust number of Rx descriptors "
 989                                         "error (%" PRId32 ")\n",
 990                                         p_link->name,
 991                                         p_link->pmd_id,
 992                                         p_rxq->name,
 993                                         status);
 994
 995                         p_rxq->conf.offloads = p_link->conf.rxmode.offloads;
 996                         status = rte_eth_rx_queue_setup(
 997                                 p_link->pmd_id,
 998                                 rxq_queue_id,
 999                                 nb_rxd,
1000                                 app_get_cpu_socket_id(p_link->pmd_id),
1001                                 &p_rxq->conf,
1002                                 app->mempool[p_rxq->mempool_id]);
1003                         if (status < 0)
1004                                 rte_panic("%s (%" PRIu32 "): "
1005                                         "%s init error (%" PRId32 ")\n",
1006                                         p_link->name,
1007                                         p_link->pmd_id,
1008                                         p_rxq->name,
1009                                         status);
1010                 }
1011
1012                 /* TXQ */
1013                 for (j = 0; j < app->n_pktq_hwq_out; j++) {
1014                         struct app_pktq_hwq_out_params *p_txq =
1015                                 &app->hwq_out_params[j];
1016                         uint32_t txq_link_id, txq_queue_id;
1017                         uint16_t nb_txd = p_txq->size;
1018
1019                         sscanf(p_txq->name, "TXQ%" PRIu32 ".%" PRIu32,
1020                                 &txq_link_id, &txq_queue_id);
1021                         if (txq_link_id != link_id)
1022                                 continue;
1023
1024                         status = rte_eth_dev_adjust_nb_rx_tx_desc(
1025                                 p_link->pmd_id,
1026                                 NULL,
1027                                 &nb_txd);
1028                         if (status < 0)
1029                                 rte_panic("%s (%" PRIu32 "): "
1030                                         "%s adjust number of Tx descriptors "
1031                                         "error (%" PRId32 ")\n",
1032                                         p_link->name,
1033                                         p_link->pmd_id,
1034                                         p_txq->name,
1035                                         status);
1036
1037                         p_txq->conf.offloads = p_link->conf.txmode.offloads;
1038                         status = rte_eth_tx_queue_setup(
1039                                 p_link->pmd_id,
1040                                 txq_queue_id,
1041                                 nb_txd,
1042                                 app_get_cpu_socket_id(p_link->pmd_id),
1043                                 &p_txq->conf);
1044                         if (status < 0)
1045                                 rte_panic("%s (%" PRIu32 "): "
1046                                         "%s init error (%" PRId32 ")\n",
1047                                         p_link->name,
1048                                         p_link->pmd_id,
1049                                         p_txq->name,
1050                                         status);
1051                 }
1052
1053                 /* LINK START */
1054                 status = rte_eth_dev_start(p_link->pmd_id);
1055                 if (status < 0)
1056                         rte_panic("Cannot start %s (error %" PRId32 ")\n",
1057                                 p_link->name, status);
1058
1059                 /* LINK FILTERS */
1060                 app_link_set_arp_filter(app, p_link);
1061                 app_link_set_tcp_syn_filter(app, p_link);
1062                 if (app_link_rss_enabled(p_link))
1063                         app_link_rss_setup(p_link);
1064
1065                 /* LINK UP */
1066                 app_link_up_internal(app, p_link);
1067         }
1068
1069         app_check_link(app);
1070 }
1071
1072 static void
1073 app_init_swq(struct app_params *app)
1074 {
1075         uint32_t i;
1076
1077         for (i = 0; i < app->n_pktq_swq; i++) {
1078                 struct app_pktq_swq_params *p = &app->swq_params[i];
1079                 unsigned flags = 0;
1080
1081                 if (app_swq_get_readers(app, p) == 1)
1082                         flags |= RING_F_SC_DEQ;
1083                 if (app_swq_get_writers(app, p) == 1)
1084                         flags |= RING_F_SP_ENQ;
1085
1086                 APP_LOG(app, HIGH, "Initializing %s...", p->name);
1087                 app->swq[i] = rte_ring_create(
1088                                 p->name,
1089                                 p->size,
1090                                 p->cpu_socket_id,
1091                                 flags);
1092
1093                 if (app->swq[i] == NULL)
1094                         rte_panic("%s init error\n", p->name);
1095         }
1096 }
1097
1098 static void
1099 app_init_tm(struct app_params *app)
1100 {
1101         uint32_t i;
1102
1103         for (i = 0; i < app->n_pktq_tm; i++) {
1104                 struct app_pktq_tm_params *p_tm = &app->tm_params[i];
1105                 struct app_link_params *p_link;
1106                 struct rte_eth_link link_eth_params;
1107                 struct rte_sched_port *sched;
1108                 uint32_t n_subports, subport_id;
1109                 int status;
1110
1111                 p_link = app_get_link_for_tm(app, p_tm);
1112                 /* LINK */
1113                 rte_eth_link_get(p_link->pmd_id, &link_eth_params);
1114
1115                 /* TM */
1116                 p_tm->sched_port_params.name = p_tm->name;
1117                 p_tm->sched_port_params.socket =
1118                         app_get_cpu_socket_id(p_link->pmd_id);
1119                 p_tm->sched_port_params.rate =
1120                         (uint64_t) link_eth_params.link_speed * 1000 * 1000 / 8;
1121
1122                 APP_LOG(app, HIGH, "Initializing %s ...", p_tm->name);
1123                 sched = rte_sched_port_config(&p_tm->sched_port_params);
1124                 if (sched == NULL)
1125                         rte_panic("%s init error\n", p_tm->name);
1126                 app->tm[i] = sched;
1127
1128                 /* Subport */
1129                 n_subports = p_tm->sched_port_params.n_subports_per_port;
1130                 for (subport_id = 0; subport_id < n_subports; subport_id++) {
1131                         uint32_t n_pipes_per_subport, pipe_id;
1132
1133                         status = rte_sched_subport_config(sched,
1134                                 subport_id,
1135                                 &p_tm->sched_subport_params[subport_id]);
1136                         if (status)
1137                                 rte_panic("%s subport %" PRIu32
1138                                         " init error (%" PRId32 ")\n",
1139                                         p_tm->name, subport_id, status);
1140
1141                         /* Pipe */
1142                         n_pipes_per_subport =
1143                                 p_tm->sched_port_params.n_pipes_per_subport;
1144                         for (pipe_id = 0;
1145                                 pipe_id < n_pipes_per_subport;
1146                                 pipe_id++) {
1147                                 int profile_id = p_tm->sched_pipe_to_profile[
1148                                         subport_id * APP_MAX_SCHED_PIPES +
1149                                         pipe_id];
1150
1151                                 if (profile_id == -1)
1152                                         continue;
1153
1154                                 status = rte_sched_pipe_config(sched,
1155                                         subport_id,
1156                                         pipe_id,
1157                                         profile_id);
1158                                 if (status)
1159                                         rte_panic("%s subport %" PRIu32
1160                                                 " pipe %" PRIu32
1161                                                 " (profile %" PRId32 ") "
1162                                                 "init error (% " PRId32 ")\n",
1163                                                 p_tm->name, subport_id, pipe_id,
1164                                                 profile_id, status);
1165                         }
1166                 }
1167         }
1168 }
1169
1170 #ifndef RTE_EXEC_ENV_LINUXAPP
1171 static void
1172 app_init_tap(struct app_params *app) {
1173         if (app->n_pktq_tap == 0)
1174                 return;
1175
1176         rte_panic("TAP device not supported.\n");
1177 }
1178 #else
1179 static void
1180 app_init_tap(struct app_params *app)
1181 {
1182         uint32_t i;
1183
1184         for (i = 0; i < app->n_pktq_tap; i++) {
1185                 struct app_pktq_tap_params *p_tap = &app->tap_params[i];
1186                 struct ifreq ifr;
1187                 int fd, status;
1188
1189                 APP_LOG(app, HIGH, "Initializing %s ...", p_tap->name);
1190
1191                 fd = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
1192                 if (fd < 0)
1193                         rte_panic("Cannot open file /dev/net/tun\n");
1194
1195                 memset(&ifr, 0, sizeof(ifr));
1196                 ifr.ifr_flags = IFF_TAP | IFF_NO_PI; /* No packet information */
1197                 snprintf(ifr.ifr_name, IFNAMSIZ, "%s", p_tap->name);
1198
1199                 status = ioctl(fd, TUNSETIFF, (void *) &ifr);
1200                 if (status < 0)
1201                         rte_panic("TAP setup error\n");
1202
1203                 app->tap[i] = fd;
1204         }
1205 }
1206 #endif
1207
1208 #ifdef RTE_LIBRTE_KNI
1209 static int
1210 kni_config_network_interface(uint16_t port_id, uint8_t if_up) {
1211         int ret = 0;
1212
1213         if (port_id >= rte_eth_dev_count())
1214                 return -EINVAL;
1215
1216         ret = (if_up) ?
1217                 rte_eth_dev_set_link_up(port_id) :
1218                 rte_eth_dev_set_link_down(port_id);
1219
1220         return ret;
1221 }
1222
1223 static int
1224 kni_change_mtu(uint16_t port_id, unsigned int new_mtu) {
1225         int ret;
1226
1227         if (port_id >= rte_eth_dev_count())
1228                 return -EINVAL;
1229
1230         if (new_mtu > ETHER_MAX_LEN)
1231                 return -EINVAL;
1232
1233         /* Set new MTU */
1234         ret = rte_eth_dev_set_mtu(port_id, new_mtu);
1235         if (ret < 0)
1236                 return ret;
1237
1238         return 0;
1239 }
1240 #endif /* RTE_LIBRTE_KNI */
1241
1242 #ifndef RTE_LIBRTE_KNI
1243 static void
1244 app_init_kni(struct app_params *app) {
1245         if (app->n_pktq_kni == 0)
1246                 return;
1247
1248         rte_panic("Can not init KNI without librte_kni support.\n");
1249 }
1250 #else
1251 static void
1252 app_init_kni(struct app_params *app) {
1253         uint32_t i;
1254
1255         if (app->n_pktq_kni == 0)
1256                 return;
1257
1258         rte_kni_init(app->n_pktq_kni);
1259
1260         for (i = 0; i < app->n_pktq_kni; i++) {
1261                 struct app_pktq_kni_params *p_kni = &app->kni_params[i];
1262                 struct app_link_params *p_link;
1263                 struct rte_eth_dev_info dev_info;
1264                 struct app_mempool_params *mempool_params;
1265                 struct rte_mempool *mempool;
1266                 struct rte_kni_conf conf;
1267                 struct rte_kni_ops ops;
1268
1269                 /* LINK */
1270                 p_link = app_get_link_for_kni(app, p_kni);
1271                 memset(&dev_info, 0, sizeof(dev_info));
1272                 rte_eth_dev_info_get(p_link->pmd_id, &dev_info);
1273
1274                 /* MEMPOOL */
1275                 mempool_params = &app->mempool_params[p_kni->mempool_id];
1276                 mempool = app->mempool[p_kni->mempool_id];
1277
1278                 /* KNI */
1279                 memset(&conf, 0, sizeof(conf));
1280                 snprintf(conf.name, RTE_KNI_NAMESIZE, "%s", p_kni->name);
1281                 conf.force_bind = p_kni->force_bind;
1282                 if (conf.force_bind) {
1283                         int lcore_id;
1284
1285                         lcore_id = cpu_core_map_get_lcore_id(app->core_map,
1286                                 p_kni->socket_id,
1287                                 p_kni->core_id,
1288                                 p_kni->hyper_th_id);
1289
1290                         if (lcore_id < 0)
1291                                 rte_panic("%s invalid CPU core\n", p_kni->name);
1292
1293                         conf.core_id = (uint32_t) lcore_id;
1294                 }
1295                 conf.group_id = p_link->pmd_id;
1296                 conf.mbuf_size = mempool_params->buffer_size;
1297                 conf.addr = dev_info.pci_dev->addr;
1298                 conf.id = dev_info.pci_dev->id;
1299
1300                 memset(&ops, 0, sizeof(ops));
1301                 ops.port_id = (uint8_t) p_link->pmd_id;
1302                 ops.change_mtu = kni_change_mtu;
1303                 ops.config_network_if = kni_config_network_interface;
1304
1305                 APP_LOG(app, HIGH, "Initializing %s ...", p_kni->name);
1306                 app->kni[i] = rte_kni_alloc(mempool, &conf, &ops);
1307                 if (!app->kni[i])
1308                         rte_panic("%s init error\n", p_kni->name);
1309         }
1310 }
1311 #endif /* RTE_LIBRTE_KNI */
1312
1313 static void
1314 app_init_msgq(struct app_params *app)
1315 {
1316         uint32_t i;
1317
1318         for (i = 0; i < app->n_msgq; i++) {
1319                 struct app_msgq_params *p = &app->msgq_params[i];
1320
1321                 APP_LOG(app, HIGH, "Initializing %s ...", p->name);
1322                 app->msgq[i] = rte_ring_create(
1323                                 p->name,
1324                                 p->size,
1325                                 p->cpu_socket_id,
1326                                 RING_F_SP_ENQ | RING_F_SC_DEQ);
1327
1328                 if (app->msgq[i] == NULL)
1329                         rte_panic("%s init error\n", p->name);
1330         }
1331 }
1332
1333 void app_pipeline_params_get(struct app_params *app,
1334         struct app_pipeline_params *p_in,
1335         struct pipeline_params *p_out)
1336 {
1337         uint32_t i;
1338
1339         snprintf(p_out->name, PIPELINE_NAME_SIZE, "%s", p_in->name);
1340
1341         snprintf(p_out->type, PIPELINE_TYPE_SIZE, "%s", p_in->type);
1342
1343         p_out->socket_id = (int) p_in->socket_id;
1344
1345         p_out->log_level = app->log_level;
1346
1347         /* pktq_in */
1348         p_out->n_ports_in = p_in->n_pktq_in;
1349         for (i = 0; i < p_in->n_pktq_in; i++) {
1350                 struct app_pktq_in_params *in = &p_in->pktq_in[i];
1351                 struct pipeline_port_in_params *out = &p_out->port_in[i];
1352
1353                 switch (in->type) {
1354                 case APP_PKTQ_IN_HWQ:
1355                 {
1356                         struct app_pktq_hwq_in_params *p_hwq_in =
1357                                 &app->hwq_in_params[in->id];
1358                         struct app_link_params *p_link =
1359                                 app_get_link_for_rxq(app, p_hwq_in);
1360                         uint32_t rxq_link_id, rxq_queue_id;
1361
1362                         sscanf(p_hwq_in->name, "RXQ%" SCNu32 ".%" SCNu32,
1363                                 &rxq_link_id,
1364                                 &rxq_queue_id);
1365
1366                         out->type = PIPELINE_PORT_IN_ETHDEV_READER;
1367                         out->params.ethdev.port_id = p_link->pmd_id;
1368                         out->params.ethdev.queue_id = rxq_queue_id;
1369                         out->burst_size = p_hwq_in->burst;
1370                         break;
1371                 }
1372                 case APP_PKTQ_IN_SWQ:
1373                 {
1374                         struct app_pktq_swq_params *swq_params = &app->swq_params[in->id];
1375
1376                         if ((swq_params->ipv4_frag == 0) && (swq_params->ipv6_frag == 0)) {
1377                                 if (app_swq_get_readers(app, swq_params) == 1) {
1378                                         out->type = PIPELINE_PORT_IN_RING_READER;
1379                                         out->params.ring.ring = app->swq[in->id];
1380                                         out->burst_size = app->swq_params[in->id].burst_read;
1381                                 } else {
1382                                         out->type = PIPELINE_PORT_IN_RING_MULTI_READER;
1383                                         out->params.ring_multi.ring = app->swq[in->id];
1384                                         out->burst_size = swq_params->burst_read;
1385                                 }
1386                         } else {
1387                                 if (swq_params->ipv4_frag == 1) {
1388                                         struct rte_port_ring_reader_ipv4_frag_params *params =
1389                                                 &out->params.ring_ipv4_frag;
1390
1391                                         out->type = PIPELINE_PORT_IN_RING_READER_IPV4_FRAG;
1392                                         params->ring = app->swq[in->id];
1393                                         params->mtu = swq_params->mtu;
1394                                         params->metadata_size = swq_params->metadata_size;
1395                                         params->pool_direct =
1396                                                 app->mempool[swq_params->mempool_direct_id];
1397                                         params->pool_indirect =
1398                                                 app->mempool[swq_params->mempool_indirect_id];
1399                                         out->burst_size = swq_params->burst_read;
1400                                 } else {
1401                                         struct rte_port_ring_reader_ipv6_frag_params *params =
1402                                                 &out->params.ring_ipv6_frag;
1403
1404                                         out->type = PIPELINE_PORT_IN_RING_READER_IPV6_FRAG;
1405                                         params->ring = app->swq[in->id];
1406                                         params->mtu = swq_params->mtu;
1407                                         params->metadata_size = swq_params->metadata_size;
1408                                         params->pool_direct =
1409                                                 app->mempool[swq_params->mempool_direct_id];
1410                                         params->pool_indirect =
1411                                                 app->mempool[swq_params->mempool_indirect_id];
1412                                         out->burst_size = swq_params->burst_read;
1413                                 }
1414                         }
1415                         break;
1416                 }
1417                 case APP_PKTQ_IN_TM:
1418                 {
1419                         out->type = PIPELINE_PORT_IN_SCHED_READER;
1420                         out->params.sched.sched = app->tm[in->id];
1421                         out->burst_size = app->tm_params[in->id].burst_read;
1422                         break;
1423                 }
1424 #ifdef RTE_EXEC_ENV_LINUXAPP
1425                 case APP_PKTQ_IN_TAP:
1426                 {
1427                         struct app_pktq_tap_params *tap_params =
1428                                 &app->tap_params[in->id];
1429                         struct app_mempool_params *mempool_params =
1430                                 &app->mempool_params[tap_params->mempool_id];
1431                         struct rte_mempool *mempool =
1432                                 app->mempool[tap_params->mempool_id];
1433
1434                         out->type = PIPELINE_PORT_IN_FD_READER;
1435                         out->params.fd.fd = app->tap[in->id];
1436                         out->params.fd.mtu = mempool_params->buffer_size;
1437                         out->params.fd.mempool = mempool;
1438                         out->burst_size = app->tap_params[in->id].burst_read;
1439                         break;
1440                 }
1441 #endif
1442 #ifdef RTE_LIBRTE_KNI
1443                 case APP_PKTQ_IN_KNI:
1444                 {
1445                         out->type = PIPELINE_PORT_IN_KNI_READER;
1446                         out->params.kni.kni = app->kni[in->id];
1447                         out->burst_size = app->kni_params[in->id].burst_read;
1448                         break;
1449                 }
1450 #endif /* RTE_LIBRTE_KNI */
1451                 case APP_PKTQ_IN_SOURCE:
1452                 {
1453                         uint32_t mempool_id =
1454                                 app->source_params[in->id].mempool_id;
1455
1456                         out->type = PIPELINE_PORT_IN_SOURCE;
1457                         out->params.source.mempool = app->mempool[mempool_id];
1458                         out->burst_size = app->source_params[in->id].burst;
1459                         out->params.source.file_name =
1460                                 app->source_params[in->id].file_name;
1461                         out->params.source.n_bytes_per_pkt =
1462                                 app->source_params[in->id].n_bytes_per_pkt;
1463                         break;
1464                 }
1465                 default:
1466                         break;
1467                 }
1468         }
1469
1470         /* pktq_out */
1471         p_out->n_ports_out = p_in->n_pktq_out;
1472         for (i = 0; i < p_in->n_pktq_out; i++) {
1473                 struct app_pktq_out_params *in = &p_in->pktq_out[i];
1474                 struct pipeline_port_out_params *out = &p_out->port_out[i];
1475
1476                 switch (in->type) {
1477                 case APP_PKTQ_OUT_HWQ:
1478                 {
1479                         struct app_pktq_hwq_out_params *p_hwq_out =
1480                                 &app->hwq_out_params[in->id];
1481                         struct app_link_params *p_link =
1482                                 app_get_link_for_txq(app, p_hwq_out);
1483                         uint32_t txq_link_id, txq_queue_id;
1484
1485                         sscanf(p_hwq_out->name,
1486                                 "TXQ%" SCNu32 ".%" SCNu32,
1487                                 &txq_link_id,
1488                                 &txq_queue_id);
1489
1490                         if (p_hwq_out->dropless == 0) {
1491                                 struct rte_port_ethdev_writer_params *params =
1492                                         &out->params.ethdev;
1493
1494                                 out->type = PIPELINE_PORT_OUT_ETHDEV_WRITER;
1495                                 params->port_id = p_link->pmd_id;
1496                                 params->queue_id = txq_queue_id;
1497                                 params->tx_burst_sz =
1498                                         app->hwq_out_params[in->id].burst;
1499                         } else {
1500                                 struct rte_port_ethdev_writer_nodrop_params
1501                                         *params = &out->params.ethdev_nodrop;
1502
1503                                 out->type =
1504                                         PIPELINE_PORT_OUT_ETHDEV_WRITER_NODROP;
1505                                 params->port_id = p_link->pmd_id;
1506                                 params->queue_id = txq_queue_id;
1507                                 params->tx_burst_sz = p_hwq_out->burst;
1508                                 params->n_retries = p_hwq_out->n_retries;
1509                         }
1510                         break;
1511                 }
1512                 case APP_PKTQ_OUT_SWQ:
1513                 {
1514                         struct app_pktq_swq_params *swq_params = &app->swq_params[in->id];
1515
1516                         if ((swq_params->ipv4_ras == 0) && (swq_params->ipv6_ras == 0)) {
1517                                 if (app_swq_get_writers(app, swq_params) == 1) {
1518                                         if (app->swq_params[in->id].dropless == 0) {
1519                                                 struct rte_port_ring_writer_params *params =
1520                                                         &out->params.ring;
1521
1522                                                 out->type = PIPELINE_PORT_OUT_RING_WRITER;
1523                                                 params->ring = app->swq[in->id];
1524                                                 params->tx_burst_sz =
1525                                                         app->swq_params[in->id].burst_write;
1526                                         } else {
1527                                                 struct rte_port_ring_writer_nodrop_params
1528                                                         *params = &out->params.ring_nodrop;
1529
1530                                                 out->type =
1531                                                         PIPELINE_PORT_OUT_RING_WRITER_NODROP;
1532                                                 params->ring = app->swq[in->id];
1533                                                 params->tx_burst_sz =
1534                                                         app->swq_params[in->id].burst_write;
1535                                                 params->n_retries =
1536                                                         app->swq_params[in->id].n_retries;
1537                                         }
1538                                 } else {
1539                                         if (swq_params->dropless == 0) {
1540                                                 struct rte_port_ring_multi_writer_params *params =
1541                                                         &out->params.ring_multi;
1542
1543                                                 out->type = PIPELINE_PORT_OUT_RING_MULTI_WRITER;
1544                                                 params->ring = app->swq[in->id];
1545                                                 params->tx_burst_sz = swq_params->burst_write;
1546                                         } else {
1547                                                 struct rte_port_ring_multi_writer_nodrop_params
1548                                                         *params = &out->params.ring_multi_nodrop;
1549
1550                                                 out->type = PIPELINE_PORT_OUT_RING_MULTI_WRITER_NODROP;
1551                                                 params->ring = app->swq[in->id];
1552                                                 params->tx_burst_sz = swq_params->burst_write;
1553                                                 params->n_retries = swq_params->n_retries;
1554                                         }
1555                                 }
1556                         } else {
1557                                 if (swq_params->ipv4_ras == 1) {
1558                                         struct rte_port_ring_writer_ipv4_ras_params *params =
1559                                                 &out->params.ring_ipv4_ras;
1560
1561                                         out->type = PIPELINE_PORT_OUT_RING_WRITER_IPV4_RAS;
1562                                         params->ring = app->swq[in->id];
1563                                         params->tx_burst_sz = swq_params->burst_write;
1564                                 } else {
1565                                         struct rte_port_ring_writer_ipv6_ras_params *params =
1566                                                 &out->params.ring_ipv6_ras;
1567
1568                                         out->type = PIPELINE_PORT_OUT_RING_WRITER_IPV6_RAS;
1569                                         params->ring = app->swq[in->id];
1570                                         params->tx_burst_sz = swq_params->burst_write;
1571                                 }
1572                         }
1573                         break;
1574                 }
1575                 case APP_PKTQ_OUT_TM:
1576                 {
1577                         struct rte_port_sched_writer_params *params =
1578                                 &out->params.sched;
1579
1580                         out->type = PIPELINE_PORT_OUT_SCHED_WRITER;
1581                         params->sched = app->tm[in->id];
1582                         params->tx_burst_sz =
1583                                 app->tm_params[in->id].burst_write;
1584                         break;
1585                 }
1586 #ifdef RTE_EXEC_ENV_LINUXAPP
1587                 case APP_PKTQ_OUT_TAP:
1588                 {
1589                         struct rte_port_fd_writer_params *params =
1590                                 &out->params.fd;
1591
1592                         out->type = PIPELINE_PORT_OUT_FD_WRITER;
1593                         params->fd = app->tap[in->id];
1594                         params->tx_burst_sz =
1595                                 app->tap_params[in->id].burst_write;
1596                         break;
1597                 }
1598 #endif
1599 #ifdef RTE_LIBRTE_KNI
1600                 case APP_PKTQ_OUT_KNI:
1601                 {
1602                         struct app_pktq_kni_params *p_kni =
1603                                 &app->kni_params[in->id];
1604
1605                         if (p_kni->dropless == 0) {
1606                                 struct rte_port_kni_writer_params *params =
1607                                         &out->params.kni;
1608
1609                                 out->type = PIPELINE_PORT_OUT_KNI_WRITER;
1610                                 params->kni = app->kni[in->id];
1611                                 params->tx_burst_sz =
1612                                         app->kni_params[in->id].burst_write;
1613                         } else {
1614                                 struct rte_port_kni_writer_nodrop_params
1615                                         *params = &out->params.kni_nodrop;
1616
1617                                 out->type = PIPELINE_PORT_OUT_KNI_WRITER_NODROP;
1618                                 params->kni = app->kni[in->id];
1619                                 params->tx_burst_sz =
1620                                         app->kni_params[in->id].burst_write;
1621                                 params->n_retries =
1622                                         app->kni_params[in->id].n_retries;
1623                         }
1624                         break;
1625                 }
1626 #endif /* RTE_LIBRTE_KNI */
1627                 case APP_PKTQ_OUT_SINK:
1628                 {
1629                         out->type = PIPELINE_PORT_OUT_SINK;
1630                         out->params.sink.file_name =
1631                                 app->sink_params[in->id].file_name;
1632                         out->params.sink.max_n_pkts =
1633                                 app->sink_params[in->id].
1634                                 n_pkts_to_dump;
1635
1636                         break;
1637                 }
1638                 default:
1639                         break;
1640                 }
1641         }
1642
1643         /* msgq */
1644         p_out->n_msgq = p_in->n_msgq_in;
1645
1646         for (i = 0; i < p_in->n_msgq_in; i++)
1647                 p_out->msgq_in[i] = app->msgq[p_in->msgq_in[i]];
1648
1649         for (i = 0; i < p_in->n_msgq_out; i++)
1650                 p_out->msgq_out[i] = app->msgq[p_in->msgq_out[i]];
1651
1652         /* args */
1653         p_out->n_args = p_in->n_args;
1654         for (i = 0; i < p_in->n_args; i++) {
1655                 p_out->args_name[i] = p_in->args_name[i];
1656                 p_out->args_value[i] = p_in->args_value[i];
1657         }
1658 }
1659
1660 static void
1661 app_init_pipelines(struct app_params *app)
1662 {
1663         uint32_t p_id;
1664
1665         for (p_id = 0; p_id < app->n_pipelines; p_id++) {
1666                 struct app_pipeline_params *params =
1667                         &app->pipeline_params[p_id];
1668                 struct app_pipeline_data *data = &app->pipeline_data[p_id];
1669                 struct pipeline_type *ptype;
1670                 struct pipeline_params pp;
1671
1672                 APP_LOG(app, HIGH, "Initializing %s ...", params->name);
1673
1674                 ptype = app_pipeline_type_find(app, params->type);
1675                 if (ptype == NULL)
1676                         rte_panic("Init error: Unknown pipeline type \"%s\"\n",
1677                                 params->type);
1678
1679                 app_pipeline_params_get(app, params, &pp);
1680
1681                 /* Back-end */
1682                 data->be = NULL;
1683                 if (ptype->be_ops->f_init) {
1684                         data->be = ptype->be_ops->f_init(&pp, (void *) app);
1685
1686                         if (data->be == NULL)
1687                                 rte_panic("Pipeline instance \"%s\" back-end "
1688                                         "init error\n", params->name);
1689                 }
1690
1691                 /* Front-end */
1692                 data->fe = NULL;
1693                 if (ptype->fe_ops->f_init) {
1694                         data->fe = ptype->fe_ops->f_init(&pp, (void *) app);
1695
1696                         if (data->fe == NULL)
1697                                 rte_panic("Pipeline instance \"%s\" front-end "
1698                                 "init error\n", params->name);
1699                 }
1700
1701                 data->ptype = ptype;
1702
1703                 data->timer_period = (rte_get_tsc_hz() *
1704                         params->timer_period) / 1000;
1705         }
1706 }
1707
1708 static void
1709 app_post_init_pipelines(struct app_params *app)
1710 {
1711         uint32_t p_id;
1712
1713         for (p_id = 0; p_id < app->n_pipelines; p_id++) {
1714                 struct app_pipeline_params *params =
1715                         &app->pipeline_params[p_id];
1716                 struct app_pipeline_data *data = &app->pipeline_data[p_id];
1717                 int status;
1718
1719                 if (data->ptype->fe_ops->f_post_init == NULL)
1720                         continue;
1721
1722                 status = data->ptype->fe_ops->f_post_init(data->fe);
1723                 if (status)
1724                         rte_panic("Pipeline instance \"%s\" front-end "
1725                                 "post-init error\n", params->name);
1726         }
1727 }
1728
1729 static void
1730 app_init_threads(struct app_params *app)
1731 {
1732         uint64_t time = rte_get_tsc_cycles();
1733         uint32_t p_id;
1734
1735         for (p_id = 0; p_id < app->n_pipelines; p_id++) {
1736                 struct app_pipeline_params *params =
1737                         &app->pipeline_params[p_id];
1738                 struct app_pipeline_data *data = &app->pipeline_data[p_id];
1739                 struct pipeline_type *ptype;
1740                 struct app_thread_data *t;
1741                 struct app_thread_pipeline_data *p;
1742                 int lcore_id;
1743
1744                 lcore_id = cpu_core_map_get_lcore_id(app->core_map,
1745                         params->socket_id,
1746                         params->core_id,
1747                         params->hyper_th_id);
1748
1749                 if (lcore_id < 0)
1750                         rte_panic("Invalid core s%" PRIu32 "c%" PRIu32 "%s\n",
1751                                 params->socket_id,
1752                                 params->core_id,
1753                                 (params->hyper_th_id) ? "h" : "");
1754
1755                 t = &app->thread_data[lcore_id];
1756
1757                 t->timer_period = (rte_get_tsc_hz() * APP_THREAD_TIMER_PERIOD) / 1000;
1758                 t->thread_req_deadline = time + t->timer_period;
1759
1760                 t->headroom_cycles = 0;
1761                 t->headroom_time = rte_get_tsc_cycles();
1762                 t->headroom_ratio = 0.0;
1763
1764                 t->msgq_in = app_thread_msgq_in_get(app,
1765                                 params->socket_id,
1766                                 params->core_id,
1767                                 params->hyper_th_id);
1768                 if (t->msgq_in == NULL)
1769                         rte_panic("Init error: Cannot find MSGQ_IN for thread %" PRId32,
1770                                 lcore_id);
1771
1772                 t->msgq_out = app_thread_msgq_out_get(app,
1773                                 params->socket_id,
1774                                 params->core_id,
1775                                 params->hyper_th_id);
1776                 if (t->msgq_out == NULL)
1777                         rte_panic("Init error: Cannot find MSGQ_OUT for thread %" PRId32,
1778                                 lcore_id);
1779
1780                 ptype = app_pipeline_type_find(app, params->type);
1781                 if (ptype == NULL)
1782                         rte_panic("Init error: Unknown pipeline "
1783                                 "type \"%s\"\n", params->type);
1784
1785                 p = (ptype->be_ops->f_run == NULL) ?
1786                         &t->regular[t->n_regular] :
1787                         &t->custom[t->n_custom];
1788
1789                 p->pipeline_id = p_id;
1790                 p->be = data->be;
1791                 p->f_run = ptype->be_ops->f_run;
1792                 p->f_timer = ptype->be_ops->f_timer;
1793                 p->timer_period = data->timer_period;
1794                 p->deadline = time + data->timer_period;
1795
1796                 data->enabled = 1;
1797
1798                 if (ptype->be_ops->f_run == NULL)
1799                         t->n_regular++;
1800                 else
1801                         t->n_custom++;
1802         }
1803 }
1804
1805 int app_init(struct app_params *app)
1806 {
1807         app_init_core_map(app);
1808         app_init_core_mask(app);
1809
1810         app_init_eal(app);
1811         app_init_mempool(app);
1812         app_init_link(app);
1813         app_init_swq(app);
1814         app_init_tm(app);
1815         app_init_tap(app);
1816         app_init_kni(app);
1817         app_init_msgq(app);
1818
1819         app_pipeline_common_cmd_push(app);
1820         app_pipeline_thread_cmd_push(app);
1821         app_pipeline_type_register(app, &pipeline_master);
1822         app_pipeline_type_register(app, &pipeline_flow_actions);
1823         app_pipeline_type_register(app, &pipeline_firewall);
1824
1825         app_init_pipelines(app);
1826         app_init_threads(app);
1827
1828         return 0;
1829 }
1830
1831 int app_post_init(struct app_params *app)
1832 {
1833         app_post_init_pipelines(app);
1834
1835         return 0;
1836 }
1837
1838 static int
1839 app_pipeline_type_cmd_push(struct app_params *app,
1840         struct pipeline_type *ptype)
1841 {
1842         cmdline_parse_ctx_t *cmds;
1843         uint32_t n_cmds, i;
1844
1845         /* Check input arguments */
1846         if ((app == NULL) ||
1847                 (ptype == NULL))
1848                 return -EINVAL;
1849
1850         n_cmds = pipeline_type_cmds_count(ptype);
1851         if (n_cmds == 0)
1852                 return 0;
1853
1854         cmds = ptype->fe_ops->cmds;
1855
1856         /* Check for available slots in the application commands array */
1857         if (n_cmds > APP_MAX_CMDS - app->n_cmds)
1858                 return -ENOMEM;
1859
1860         /* Push pipeline commands into the application */
1861         memcpy(&app->cmds[app->n_cmds],
1862                 cmds,
1863                 n_cmds * sizeof(cmdline_parse_ctx_t));
1864
1865         for (i = 0; i < n_cmds; i++)
1866                 app->cmds[app->n_cmds + i]->data = app;
1867
1868         app->n_cmds += n_cmds;
1869         app->cmds[app->n_cmds] = NULL;
1870
1871         return 0;
1872 }
1873
1874 int
1875 app_pipeline_type_register(struct app_params *app, struct pipeline_type *ptype)
1876 {
1877         uint32_t n_cmds, i;
1878
1879         /* Check input arguments */
1880         if ((app == NULL) ||
1881                 (ptype == NULL) ||
1882                 (ptype->name == NULL) ||
1883                 (strlen(ptype->name) == 0) ||
1884                 (ptype->be_ops->f_init == NULL) ||
1885                 (ptype->be_ops->f_timer == NULL))
1886                 return -EINVAL;
1887
1888         /* Check for duplicate entry */
1889         for (i = 0; i < app->n_pipeline_types; i++)
1890                 if (strcmp(app->pipeline_type[i].name, ptype->name) == 0)
1891                         return -EEXIST;
1892
1893         /* Check for resource availability */
1894         n_cmds = pipeline_type_cmds_count(ptype);
1895         if ((app->n_pipeline_types == APP_MAX_PIPELINE_TYPES) ||
1896                 (n_cmds > APP_MAX_CMDS - app->n_cmds))
1897                 return -ENOMEM;
1898
1899         /* Copy pipeline type */
1900         memcpy(&app->pipeline_type[app->n_pipeline_types++],
1901                 ptype,
1902                 sizeof(struct pipeline_type));
1903
1904         /* Copy CLI commands */
1905         if (n_cmds)
1906                 app_pipeline_type_cmd_push(app, ptype);
1907
1908         return 0;
1909 }
1910
1911 struct
1912 pipeline_type *app_pipeline_type_find(struct app_params *app, char *name)
1913 {
1914         uint32_t i;
1915
1916         for (i = 0; i < app->n_pipeline_types; i++)
1917                 if (strcmp(app->pipeline_type[i].name, name) == 0)
1918                         return &app->pipeline_type[i];
1919
1920         return NULL;
1921 }