app/test-crypto-perf/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016-2017 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <unistd.h>
   7
   8 #include <rte_malloc.h>
   9 #include <rte_random.h>
  10 #include <rte_eal.h>
  11 #include <rte_cryptodev.h>
  12 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
  13 #include <rte_cryptodev_scheduler.h>
  14 #endif
  15
  16 #include "cperf.h"
  17 #include "cperf_options.h"
  18 #include "cperf_test_vector_parsing.h"
  19 #include "cperf_test_throughput.h"
  20 #include "cperf_test_latency.h"
  21 #include "cperf_test_verify.h"
  22 #include "cperf_test_pmd_cyclecount.h"
  23
  24 static struct {
  25         struct rte_mempool *sess_mp;
  26         struct rte_mempool *priv_mp;
  27 } session_pool_socket[RTE_MAX_NUMA_NODES];
  28
  29 const char *cperf_test_type_strs[] = {
  30         [CPERF_TEST_TYPE_THROUGHPUT] = "throughput",
  31         [CPERF_TEST_TYPE_LATENCY] = "latency",
  32         [CPERF_TEST_TYPE_VERIFY] = "verify",
  33         [CPERF_TEST_TYPE_PMDCC] = "pmd-cyclecount"
  34 };
  35
  36 const char *cperf_op_type_strs[] = {
  37         [CPERF_CIPHER_ONLY] = "cipher-only",
  38         [CPERF_AUTH_ONLY] = "auth-only",
  39         [CPERF_CIPHER_THEN_AUTH] = "cipher-then-auth",
  40         [CPERF_AUTH_THEN_CIPHER] = "auth-then-cipher",
  41         [CPERF_AEAD] = "aead"
  42 };
  43
  44 const struct cperf_test cperf_testmap[] = {
  45                 [CPERF_TEST_TYPE_THROUGHPUT] = {
  46                                 cperf_throughput_test_constructor,
  47                                 cperf_throughput_test_runner,
  48                                 cperf_throughput_test_destructor
  49                 },
  50                 [CPERF_TEST_TYPE_LATENCY] = {
  51                                 cperf_latency_test_constructor,
  52                                 cperf_latency_test_runner,
  53                                 cperf_latency_test_destructor
  54                 },
  55                 [CPERF_TEST_TYPE_VERIFY] = {
  56                                 cperf_verify_test_constructor,
  57                                 cperf_verify_test_runner,
  58                                 cperf_verify_test_destructor
  59                 },
  60                 [CPERF_TEST_TYPE_PMDCC] = {
  61                                 cperf_pmd_cyclecount_test_constructor,
  62                                 cperf_pmd_cyclecount_test_runner,
  63                                 cperf_pmd_cyclecount_test_destructor
  64                 }
  65 };
  66
  67 static int
  68 fill_session_pool_socket(int32_t socket_id, uint32_t session_priv_size,
  69                 uint32_t nb_sessions)
  70 {
  71         char mp_name[RTE_MEMPOOL_NAMESIZE];
  72         struct rte_mempool *sess_mp;
  73
  74         if (session_pool_socket[socket_id].priv_mp == NULL) {
  75                 snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
  76                         "priv_sess_mp_%u", socket_id);
  77
  78                 sess_mp = rte_mempool_create(mp_name,
  79                                         nb_sessions,
  80                                         session_priv_size,
  81                                         0, 0, NULL, NULL, NULL,
  82                                         NULL, socket_id,
  83                                         0);
  84
  85                 if (sess_mp == NULL) {
  86                         printf("Cannot create pool \"%s\" on socket %d\n",
  87                                 mp_name, socket_id);
  88                         return -ENOMEM;
  89                 }
  90
  91                 printf("Allocated pool \"%s\" on socket %d\n",
  92                         mp_name, socket_id);
  93                 session_pool_socket[socket_id].priv_mp = sess_mp;
  94         }
  95
  96         if (session_pool_socket[socket_id].sess_mp == NULL) {
  97
  98                 snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
  99                         "sess_mp_%u", socket_id);
 100
 101                 sess_mp = rte_cryptodev_sym_session_pool_create(mp_name,
 102                                         nb_sessions, 0, 0, 0, socket_id);
 103
 104                 if (sess_mp == NULL) {
 105                         printf("Cannot create pool \"%s\" on socket %d\n",
 106                                 mp_name, socket_id);
 107                         return -ENOMEM;
 108                 }
 109
 110                 printf("Allocated pool \"%s\" on socket %d\n",
 111                         mp_name, socket_id);
 112                 session_pool_socket[socket_id].sess_mp = sess_mp;
 113         }
 114
 115         return 0;
 116 }
 117
 118 static int
 119 cperf_initialize_cryptodev(struct cperf_options *opts, uint8_t *enabled_cdevs)
 120 {
 121         uint8_t enabled_cdev_count = 0, nb_lcores, cdev_id;
 122         uint32_t sessions_needed = 0;
 123         unsigned int i, j;
 124         int ret;
 125
 126         enabled_cdev_count = rte_cryptodev_devices_get(opts->device_type,
 127                         enabled_cdevs, RTE_CRYPTO_MAX_DEVS);
 128         if (enabled_cdev_count == 0) {
 129                 printf("No crypto devices type %s available\n",
 130                                 opts->device_type);
 131                 return -EINVAL;
 132         }
 133
 134         nb_lcores = rte_lcore_count() - 1;
 135
 136         if (nb_lcores < 1) {
 137                 RTE_LOG(ERR, USER1,
 138                         "Number of enabled cores need to be higher than 1\n");
 139                 return -EINVAL;
 140         }
 141
 142         /*
 143          * Use less number of devices,
 144          * if there are more available than cores.
 145          */
 146         if (enabled_cdev_count > nb_lcores)
 147                 enabled_cdev_count = nb_lcores;
 148
 149         /* Create a mempool shared by all the devices */
 150         uint32_t max_sess_size = 0, sess_size;
 151
 152         for (cdev_id = 0; cdev_id < rte_cryptodev_count(); cdev_id++) {
 153                 sess_size = rte_cryptodev_sym_get_private_session_size(cdev_id);
 154                 if (sess_size > max_sess_size)
 155                         max_sess_size = sess_size;
 156         }
 157
 158         /*
 159          * Calculate number of needed queue pairs, based on the amount
 160          * of available number of logical cores and crypto devices.
 161          * For instance, if there are 4 cores and 2 crypto devices,
 162          * 2 queue pairs will be set up per device.
 163          */
 164         opts->nb_qps = (nb_lcores % enabled_cdev_count) ?
 165                                 (nb_lcores / enabled_cdev_count) + 1 :
 166                                 nb_lcores / enabled_cdev_count;
 167
 168         for (i = 0; i < enabled_cdev_count &&
 169                         i < RTE_CRYPTO_MAX_DEVS; i++) {
 170                 cdev_id = enabled_cdevs[i];
 171 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
 172                 /*
 173                  * If multi-core scheduler is used, limit the number
 174                  * of queue pairs to 1, as there is no way to know
 175                  * how many cores are being used by the PMD, and
 176                  * how many will be available for the application.
 177                  */
 178                 if (!strcmp((const char *)opts->device_type, "crypto_scheduler") &&
 179                                 rte_cryptodev_scheduler_mode_get(cdev_id) ==
 180                                 CDEV_SCHED_MODE_MULTICORE)
 181                         opts->nb_qps = 1;
 182 #endif
 183
 184                 struct rte_cryptodev_info cdev_info;
 185                 uint8_t socket_id = rte_cryptodev_socket_id(cdev_id);
 186
 187                 rte_cryptodev_info_get(cdev_id, &cdev_info);
 188                 if (opts->nb_qps > cdev_info.max_nb_queue_pairs) {
 189                         printf("Number of needed queue pairs is higher "
 190                                 "than the maximum number of queue pairs "
 191                                 "per device.\n");
 192                         printf("Lower the number of cores or increase "
 193                                 "the number of crypto devices\n");
 194                         return -EINVAL;
 195                 }
 196                 struct rte_cryptodev_config conf = {
 197                         .nb_queue_pairs = opts->nb_qps,
 198                         .socket_id = socket_id
 199                 };
 200
 201                 struct rte_cryptodev_qp_conf qp_conf = {
 202                         .nb_descriptors = opts->nb_descriptors
 203                 };
 204
 205                 /**
 206                  * Device info specifies the min headroom and tailroom
 207                  * requirement for the crypto PMD. This need to be honoured
 208                  * by the application, while creating mbuf.
 209                  */
 210                 if (opts->headroom_sz < cdev_info.min_mbuf_headroom_req) {
 211                         /* Update headroom */
 212                         opts->headroom_sz = cdev_info.min_mbuf_headroom_req;
 213                 }
 214                 if (opts->tailroom_sz < cdev_info.min_mbuf_tailroom_req) {
 215                         /* Update tailroom */
 216                         opts->tailroom_sz = cdev_info.min_mbuf_tailroom_req;
 217                 }
 218
 219                 /* Update segment size to include headroom & tailroom */
 220                 opts->segment_sz += (opts->headroom_sz + opts->tailroom_sz);
 221
 222                 uint32_t dev_max_nb_sess = cdev_info.sym.max_nb_sessions;
 223                 /*
 224                  * Two sessions objects are required for each session
 225                  * (one for the header, one for the private data)
 226                  */
 227                 if (!strcmp((const char *)opts->device_type,
 228                                         "crypto_scheduler")) {
 229 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
 230                         uint32_t nb_slaves =
 231                                 rte_cryptodev_scheduler_slaves_get(cdev_id,
 232                                                                 NULL);
 233
 234                         sessions_needed = enabled_cdev_count *
 235                                 opts->nb_qps * nb_slaves;
 236 #endif
 237                 } else
 238                         sessions_needed = enabled_cdev_count *
 239                                                 opts->nb_qps;
 240
 241                 /*
 242                  * A single session is required per queue pair
 243                  * in each device
 244                  */
 245                 if (dev_max_nb_sess != 0 && dev_max_nb_sess < opts->nb_qps) {
 246                         RTE_LOG(ERR, USER1,
 247                                 "Device does not support at least "
 248                                 "%u sessions\n", opts->nb_qps);
 249                         return -ENOTSUP;
 250                 }
 251
 252                 ret = fill_session_pool_socket(socket_id, max_sess_size,
 253                                 sessions_needed);
 254                 if (ret < 0)
 255                         return ret;
 256
 257                 qp_conf.mp_session = session_pool_socket[socket_id].sess_mp;
 258                 qp_conf.mp_session_private =
 259                                 session_pool_socket[socket_id].priv_mp;
 260
 261                 ret = rte_cryptodev_configure(cdev_id, &conf);
 262                 if (ret < 0) {
 263                         printf("Failed to configure cryptodev %u", cdev_id);
 264                         return -EINVAL;
 265                 }
 266
 267                 for (j = 0; j < opts->nb_qps; j++) {
 268                         ret = rte_cryptodev_queue_pair_setup(cdev_id, j,
 269                                 &qp_conf, socket_id);
 270                         if (ret < 0) {
 271                                 printf("Failed to setup queue pair %u on "
 272                                         "cryptodev %u", j, cdev_id);
 273                                 return -EINVAL;
 274                         }
 275                 }
 276
 277                 ret = rte_cryptodev_start(cdev_id);
 278                 if (ret < 0) {
 279                         printf("Failed to start device %u: error %d\n",
 280                                         cdev_id, ret);
 281                         return -EPERM;
 282                 }
 283         }
 284
 285         return enabled_cdev_count;
 286 }
 287
 288 static int
 289 cperf_verify_devices_capabilities(struct cperf_options *opts,
 290                 uint8_t *enabled_cdevs, uint8_t nb_cryptodevs)
 291 {
 292         struct rte_cryptodev_sym_capability_idx cap_idx;
 293         const struct rte_cryptodev_symmetric_capability *capability;
 294
 295         uint8_t i, cdev_id;
 296         int ret;
 297
 298         for (i = 0; i < nb_cryptodevs; i++) {
 299
 300                 cdev_id = enabled_cdevs[i];
 301
 302                 if (opts->op_type == CPERF_AUTH_ONLY ||
 303                                 opts->op_type == CPERF_CIPHER_THEN_AUTH ||
 304                                 opts->op_type == CPERF_AUTH_THEN_CIPHER) {
 305
 306                         cap_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH;
 307                         cap_idx.algo.auth = opts->auth_algo;
 308
 309                         capability = rte_cryptodev_sym_capability_get(cdev_id,
 310                                         &cap_idx);
 311                         if (capability == NULL)
 312                                 return -1;
 313
 314                         ret = rte_cryptodev_sym_capability_check_auth(
 315                                         capability,
 316                                         opts->auth_key_sz,
 317                                         opts->digest_sz,
 318                                         opts->auth_iv_sz);
 319                         if (ret != 0)
 320                                 return ret;
 321                 }
 322
 323                 if (opts->op_type == CPERF_CIPHER_ONLY ||
 324                                 opts->op_type == CPERF_CIPHER_THEN_AUTH ||
 325                                 opts->op_type == CPERF_AUTH_THEN_CIPHER) {
 326
 327                         cap_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
 328                         cap_idx.algo.cipher = opts->cipher_algo;
 329
 330                         capability = rte_cryptodev_sym_capability_get(cdev_id,
 331                                         &cap_idx);
 332                         if (capability == NULL)
 333                                 return -1;
 334
 335                         ret = rte_cryptodev_sym_capability_check_cipher(
 336                                         capability,
 337                                         opts->cipher_key_sz,
 338                                         opts->cipher_iv_sz);
 339                         if (ret != 0)
 340                                 return ret;
 341                 }
 342
 343                 if (opts->op_type == CPERF_AEAD) {
 344
 345                         cap_idx.type = RTE_CRYPTO_SYM_XFORM_AEAD;
 346                         cap_idx.algo.aead = opts->aead_algo;
 347
 348                         capability = rte_cryptodev_sym_capability_get(cdev_id,
 349                                         &cap_idx);
 350                         if (capability == NULL)
 351                                 return -1;
 352
 353                         ret = rte_cryptodev_sym_capability_check_aead(
 354                                         capability,
 355                                         opts->aead_key_sz,
 356                                         opts->digest_sz,
 357                                         opts->aead_aad_sz,
 358                                         opts->aead_iv_sz);
 359                         if (ret != 0)
 360                                 return ret;
 361                 }
 362         }
 363
 364         return 0;
 365 }
 366
 367 static int
 368 cperf_check_test_vector(struct cperf_options *opts,
 369                 struct cperf_test_vector *test_vec)
 370 {
 371         if (opts->op_type == CPERF_CIPHER_ONLY) {
 372                 if (opts->cipher_algo == RTE_CRYPTO_CIPHER_NULL) {
 373                         if (test_vec->plaintext.data == NULL)
 374                                 return -1;
 375                 } else if (opts->cipher_algo != RTE_CRYPTO_CIPHER_NULL) {
 376                         if (test_vec->plaintext.data == NULL)
 377                                 return -1;
 378                         if (test_vec->plaintext.length < opts->max_buffer_size)
 379                                 return -1;
 380                         if (test_vec->ciphertext.data == NULL)
 381                                 return -1;
 382                         if (test_vec->ciphertext.length < opts->max_buffer_size)
 383                                 return -1;
 384                         /* Cipher IV is only required for some algorithms */
 385                         if (opts->cipher_iv_sz &&
 386                                         test_vec->cipher_iv.data == NULL)
 387                                 return -1;
 388                         if (test_vec->cipher_iv.length != opts->cipher_iv_sz)
 389                                 return -1;
 390                         if (test_vec->cipher_key.data == NULL)
 391                                 return -1;
 392                         if (test_vec->cipher_key.length != opts->cipher_key_sz)
 393                                 return -1;
 394                 }
 395         } else if (opts->op_type == CPERF_AUTH_ONLY) {
 396                 if (opts->auth_algo != RTE_CRYPTO_AUTH_NULL) {
 397                         if (test_vec->plaintext.data == NULL)
 398                                 return -1;
 399                         if (test_vec->plaintext.length < opts->max_buffer_size)
 400                                 return -1;
 401                         /* Auth key is only required for some algorithms */
 402                         if (opts->auth_key_sz &&
 403                                         test_vec->auth_key.data == NULL)
 404                                 return -1;
 405                         if (test_vec->auth_key.length != opts->auth_key_sz)
 406                                 return -1;
 407                         if (test_vec->auth_iv.length != opts->auth_iv_sz)
 408                                 return -1;
 409                         /* Auth IV is only required for some algorithms */
 410                         if (opts->auth_iv_sz && test_vec->auth_iv.data == NULL)
 411                                 return -1;
 412                         if (test_vec->digest.data == NULL)
 413                                 return -1;
 414                         if (test_vec->digest.length < opts->digest_sz)
 415                                 return -1;
 416                 }
 417
 418         } else if (opts->op_type == CPERF_CIPHER_THEN_AUTH ||
 419                         opts->op_type == CPERF_AUTH_THEN_CIPHER) {
 420                 if (opts->cipher_algo == RTE_CRYPTO_CIPHER_NULL) {
 421                         if (test_vec->plaintext.data == NULL)
 422                                 return -1;
 423                         if (test_vec->plaintext.length < opts->max_buffer_size)
 424                                 return -1;
 425                 } else if (opts->cipher_algo != RTE_CRYPTO_CIPHER_NULL) {
 426                         if (test_vec->plaintext.data == NULL)
 427                                 return -1;
 428                         if (test_vec->plaintext.length < opts->max_buffer_size)
 429                                 return -1;
 430                         if (test_vec->ciphertext.data == NULL)
 431                                 return -1;
 432                         if (test_vec->ciphertext.length < opts->max_buffer_size)
 433                                 return -1;
 434                         if (test_vec->cipher_iv.data == NULL)
 435                                 return -1;
 436                         if (test_vec->cipher_iv.length != opts->cipher_iv_sz)
 437                                 return -1;
 438                         if (test_vec->cipher_key.data == NULL)
 439                                 return -1;
 440                         if (test_vec->cipher_key.length != opts->cipher_key_sz)
 441                                 return -1;
 442                 }
 443                 if (opts->auth_algo != RTE_CRYPTO_AUTH_NULL) {
 444                         if (test_vec->auth_key.data == NULL)
 445                                 return -1;
 446                         if (test_vec->auth_key.length != opts->auth_key_sz)
 447                                 return -1;
 448                         if (test_vec->auth_iv.length != opts->auth_iv_sz)
 449                                 return -1;
 450                         /* Auth IV is only required for some algorithms */
 451                         if (opts->auth_iv_sz && test_vec->auth_iv.data == NULL)
 452                                 return -1;
 453                         if (test_vec->digest.data == NULL)
 454                                 return -1;
 455                         if (test_vec->digest.length < opts->digest_sz)
 456                                 return -1;
 457                 }
 458         } else if (opts->op_type == CPERF_AEAD) {
 459                 if (test_vec->plaintext.data == NULL)
 460                         return -1;
 461                 if (test_vec->plaintext.length < opts->max_buffer_size)
 462                         return -1;
 463                 if (test_vec->ciphertext.data == NULL)
 464                         return -1;
 465                 if (test_vec->ciphertext.length < opts->max_buffer_size)
 466                         return -1;
 467                 if (test_vec->aead_key.data == NULL)
 468                         return -1;
 469                 if (test_vec->aead_key.length != opts->aead_key_sz)
 470                         return -1;
 471                 if (test_vec->aead_iv.data == NULL)
 472                         return -1;
 473                 if (test_vec->aead_iv.length != opts->aead_iv_sz)
 474                         return -1;
 475                 if (test_vec->aad.data == NULL)
 476                         return -1;
 477                 if (test_vec->aad.length != opts->aead_aad_sz)
 478                         return -1;
 479                 if (test_vec->digest.data == NULL)
 480                         return -1;
 481                 if (test_vec->digest.length < opts->digest_sz)
 482                         return -1;
 483         }
 484         return 0;
 485 }
 486
 487 int
 488 main(int argc, char **argv)
 489 {
 490         struct cperf_options opts = {0};
 491         struct cperf_test_vector *t_vec = NULL;
 492         struct cperf_op_fns op_fns;
 493         void *ctx[RTE_MAX_LCORE] = { };
 494         int nb_cryptodevs = 0;
 495         uint16_t total_nb_qps = 0;
 496         uint8_t cdev_id, i;
 497         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = { 0 };
 498
 499         uint8_t buffer_size_idx = 0;
 500
 501         int ret;
 502         uint32_t lcore_id;
 503
 504         /* Initialise DPDK EAL */
 505         ret = rte_eal_init(argc, argv);
 506         if (ret < 0)
 507                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments!\n");
 508         argc -= ret;
 509         argv += ret;
 510
 511         cperf_options_default(&opts);
 512
 513         ret = cperf_options_parse(&opts, argc, argv);
 514         if (ret) {
 515                 RTE_LOG(ERR, USER1, "Parsing on or more user options failed\n");
 516                 goto err;
 517         }
 518
 519         ret = cperf_options_check(&opts);
 520         if (ret) {
 521                 RTE_LOG(ERR, USER1,
 522                                 "Checking on or more user options failed\n");
 523                 goto err;
 524         }
 525
 526         nb_cryptodevs = cperf_initialize_cryptodev(&opts, enabled_cdevs);
 527
 528         if (!opts.silent)
 529                 cperf_options_dump(&opts);
 530
 531         if (nb_cryptodevs < 1) {
 532                 RTE_LOG(ERR, USER1, "Failed to initialise requested crypto "
 533                                 "device type\n");
 534                 nb_cryptodevs = 0;
 535                 goto err;
 536         }
 537
 538         ret = cperf_verify_devices_capabilities(&opts, enabled_cdevs,
 539                         nb_cryptodevs);
 540         if (ret) {
 541                 RTE_LOG(ERR, USER1, "Crypto device type does not support "
 542                                 "capabilities requested\n");
 543                 goto err;
 544         }
 545
 546         if (opts.test_file != NULL) {
 547                 t_vec = cperf_test_vector_get_from_file(&opts);
 548                 if (t_vec == NULL) {
 549                         RTE_LOG(ERR, USER1,
 550                                         "Failed to create test vector for"
 551                                         " specified file\n");
 552                         goto err;
 553                 }
 554
 555                 if (cperf_check_test_vector(&opts, t_vec)) {
 556                         RTE_LOG(ERR, USER1, "Incomplete necessary test vectors"
 557                                         "\n");
 558                         goto err;
 559                 }
 560         } else {
 561                 t_vec = cperf_test_vector_get_dummy(&opts);
 562                 if (t_vec == NULL) {
 563                         RTE_LOG(ERR, USER1,
 564                                         "Failed to create test vector for"
 565                                         " specified algorithms\n");
 566                         goto err;
 567                 }
 568         }
 569
 570         ret = cperf_get_op_functions(&opts, &op_fns);
 571         if (ret) {
 572                 RTE_LOG(ERR, USER1, "Failed to find function ops set for "
 573                                 "specified algorithms combination\n");
 574                 goto err;
 575         }
 576
 577         if (!opts.silent)
 578                 show_test_vector(t_vec);
 579
 580         total_nb_qps = nb_cryptodevs * opts.nb_qps;
 581
 582         i = 0;
 583         uint8_t qp_id = 0, cdev_index = 0;
 584         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
 585
 586                 if (i == total_nb_qps)
 587                         break;
 588
 589                 cdev_id = enabled_cdevs[cdev_index];
 590
 591                 uint8_t socket_id = rte_cryptodev_socket_id(cdev_id);
 592
 593                 ctx[i] = cperf_testmap[opts.test].constructor(
 594                                 session_pool_socket[socket_id].sess_mp,
 595                                 session_pool_socket[socket_id].priv_mp,
 596                                 cdev_id, qp_id,
 597                                 &opts, t_vec, &op_fns);
 598                 if (ctx[i] == NULL) {
 599                         RTE_LOG(ERR, USER1, "Test run constructor failed\n");
 600                         goto err;
 601                 }
 602                 qp_id = (qp_id + 1) % opts.nb_qps;
 603                 if (qp_id == 0)
 604                         cdev_index++;
 605                 i++;
 606         }
 607
 608         if (opts.imix_distribution_count != 0) {
 609                 uint8_t buffer_size_count = opts.buffer_size_count;
 610                 uint16_t distribution_total[buffer_size_count];
 611                 uint32_t op_idx;
 612                 uint32_t test_average_size = 0;
 613                 const uint32_t *buffer_size_list = opts.buffer_size_list;
 614                 const uint32_t *imix_distribution_list = opts.imix_distribution_list;
 615
 616                 opts.imix_buffer_sizes = rte_malloc(NULL,
 617                                         sizeof(uint32_t) * opts.pool_sz,
 618                                         0);
 619                 /*
 620                  * Calculate accumulated distribution of
 621                  * probabilities per packet size
 622                  */
 623                 distribution_total[0] = imix_distribution_list[0];
 624                 for (i = 1; i < buffer_size_count; i++)
 625                         distribution_total[i] = imix_distribution_list[i] +
 626                                 distribution_total[i-1];
 627
 628                 /* Calculate a random sequence of packet sizes, based on distribution */
 629                 for (op_idx = 0; op_idx < opts.pool_sz; op_idx++) {
 630                         uint16_t random_number = rte_rand() %
 631                                 distribution_total[buffer_size_count - 1];
 632                         for (i = 0; i < buffer_size_count; i++)
 633                                 if (random_number < distribution_total[i])
 634                                         break;
 635
 636                         opts.imix_buffer_sizes[op_idx] = buffer_size_list[i];
 637                 }
 638
 639                 /* Calculate average buffer size for the IMIX distribution */
 640                 for (i = 0; i < buffer_size_count; i++)
 641                         test_average_size += buffer_size_list[i] *
 642                                 imix_distribution_list[i];
 643
 644                 opts.test_buffer_size = test_average_size /
 645                                 distribution_total[buffer_size_count - 1];
 646
 647                 i = 0;
 648                 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
 649
 650                         if (i == total_nb_qps)
 651                                 break;
 652
 653                         rte_eal_remote_launch(cperf_testmap[opts.test].runner,
 654                                 ctx[i], lcore_id);
 655                         i++;
 656                 }
 657                 i = 0;
 658                 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
 659
 660                         if (i == total_nb_qps)
 661                                 break;
 662                         rte_eal_wait_lcore(lcore_id);
 663                         i++;
 664                 }
 665         } else {
 666
 667                 /* Get next size from range or list */
 668                 if (opts.inc_buffer_size != 0)
 669                         opts.test_buffer_size = opts.min_buffer_size;
 670                 else
 671                         opts.test_buffer_size = opts.buffer_size_list[0];
 672
 673                 while (opts.test_buffer_size <= opts.max_buffer_size) {
 674                         i = 0;
 675                         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
 676
 677                                 if (i == total_nb_qps)
 678                                         break;
 679
 680                                 rte_eal_remote_launch(cperf_testmap[opts.test].runner,
 681                                         ctx[i], lcore_id);
 682                                 i++;
 683                         }
 684                         i = 0;
 685                         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
 686
 687                                 if (i == total_nb_qps)
 688                                         break;
 689                                 rte_eal_wait_lcore(lcore_id);
 690                                 i++;
 691                         }
 692
 693                         /* Get next size from range or list */
 694                         if (opts.inc_buffer_size != 0)
 695                                 opts.test_buffer_size += opts.inc_buffer_size;
 696                         else {
 697                                 if (++buffer_size_idx == opts.buffer_size_count)
 698                                         break;
 699                                 opts.test_buffer_size =
 700                                         opts.buffer_size_list[buffer_size_idx];
 701                         }
 702                 }
 703         }
 704
 705         i = 0;
 706         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
 707
 708                 if (i == total_nb_qps)
 709                         break;
 710
 711                 cperf_testmap[opts.test].destructor(ctx[i]);
 712                 i++;
 713         }
 714
 715         for (i = 0; i < nb_cryptodevs &&
 716                         i < RTE_CRYPTO_MAX_DEVS; i++)
 717                 rte_cryptodev_stop(enabled_cdevs[i]);
 718
 719         free_test_vector(t_vec, &opts);
 720
 721         printf("\n");
 722         return EXIT_SUCCESS;
 723
 724 err:
 725         i = 0;
 726         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
 727                 if (i == total_nb_qps)
 728                         break;
 729
 730                 if (ctx[i] && cperf_testmap[opts.test].destructor)
 731                         cperf_testmap[opts.test].destructor(ctx[i]);
 732                 i++;
 733         }
 734
 735         for (i = 0; i < nb_cryptodevs &&
 736                         i < RTE_CRYPTO_MAX_DEVS; i++)
 737                 rte_cryptodev_stop(enabled_cdevs[i]);
 738         rte_free(opts.imix_buffer_sizes);
 739         free_test_vector(t_vec, &opts);
 740
 741         printf("\n");
 742         return EXIT_FAILURE;
 743 }