xref: /dpdk/app/test-crypto-perf/main.c (revision ef5baf34)
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 	[CPERF_PDCP] = "pdcp"
43 };
44 
45 const struct cperf_test cperf_testmap[] = {
46 		[CPERF_TEST_TYPE_THROUGHPUT] = {
47 				cperf_throughput_test_constructor,
48 				cperf_throughput_test_runner,
49 				cperf_throughput_test_destructor
50 		},
51 		[CPERF_TEST_TYPE_LATENCY] = {
52 				cperf_latency_test_constructor,
53 				cperf_latency_test_runner,
54 				cperf_latency_test_destructor
55 		},
56 		[CPERF_TEST_TYPE_VERIFY] = {
57 				cperf_verify_test_constructor,
58 				cperf_verify_test_runner,
59 				cperf_verify_test_destructor
60 		},
61 		[CPERF_TEST_TYPE_PMDCC] = {
62 				cperf_pmd_cyclecount_test_constructor,
63 				cperf_pmd_cyclecount_test_runner,
64 				cperf_pmd_cyclecount_test_destructor
65 		}
66 };
67 
68 static int
69 fill_session_pool_socket(int32_t socket_id, uint32_t session_priv_size,
70 		uint32_t nb_sessions)
71 {
72 	char mp_name[RTE_MEMPOOL_NAMESIZE];
73 	struct rte_mempool *sess_mp;
74 
75 	if (session_pool_socket[socket_id].priv_mp == NULL) {
76 		snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
77 			"priv_sess_mp_%u", socket_id);
78 
79 		sess_mp = rte_mempool_create(mp_name,
80 					nb_sessions,
81 					session_priv_size,
82 					0, 0, NULL, NULL, NULL,
83 					NULL, socket_id,
84 					0);
85 
86 		if (sess_mp == NULL) {
87 			printf("Cannot create pool \"%s\" on socket %d\n",
88 				mp_name, socket_id);
89 			return -ENOMEM;
90 		}
91 
92 		printf("Allocated pool \"%s\" on socket %d\n",
93 			mp_name, socket_id);
94 		session_pool_socket[socket_id].priv_mp = sess_mp;
95 	}
96 
97 	if (session_pool_socket[socket_id].sess_mp == NULL) {
98 
99 		snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
100 			"sess_mp_%u", socket_id);
101 
102 		sess_mp = rte_cryptodev_sym_session_pool_create(mp_name,
103 					nb_sessions, 0, 0, 0, socket_id);
104 
105 		if (sess_mp == NULL) {
106 			printf("Cannot create pool \"%s\" on socket %d\n",
107 				mp_name, socket_id);
108 			return -ENOMEM;
109 		}
110 
111 		printf("Allocated pool \"%s\" on socket %d\n",
112 			mp_name, socket_id);
113 		session_pool_socket[socket_id].sess_mp = sess_mp;
114 	}
115 
116 	return 0;
117 }
118 
119 static int
120 cperf_initialize_cryptodev(struct cperf_options *opts, uint8_t *enabled_cdevs)
121 {
122 	uint8_t enabled_cdev_count = 0, nb_lcores, cdev_id;
123 	uint32_t sessions_needed = 0;
124 	unsigned int i, j;
125 	int ret;
126 
127 	enabled_cdev_count = rte_cryptodev_devices_get(opts->device_type,
128 			enabled_cdevs, RTE_CRYPTO_MAX_DEVS);
129 	if (enabled_cdev_count == 0) {
130 		printf("No crypto devices type %s available\n",
131 				opts->device_type);
132 		return -EINVAL;
133 	}
134 
135 	nb_lcores = rte_lcore_count() - 1;
136 
137 	if (nb_lcores < 1) {
138 		RTE_LOG(ERR, USER1,
139 			"Number of enabled cores need to be higher than 1\n");
140 		return -EINVAL;
141 	}
142 
143 	/*
144 	 * Use less number of devices,
145 	 * if there are more available than cores.
146 	 */
147 	if (enabled_cdev_count > nb_lcores)
148 		enabled_cdev_count = nb_lcores;
149 
150 	/* Create a mempool shared by all the devices */
151 	uint32_t max_sess_size = 0, sess_size;
152 
153 	for (cdev_id = 0; cdev_id < rte_cryptodev_count(); cdev_id++) {
154 		sess_size = rte_cryptodev_sym_get_private_session_size(cdev_id);
155 		if (sess_size > max_sess_size)
156 			max_sess_size = sess_size;
157 	}
158 
159 	/*
160 	 * Calculate number of needed queue pairs, based on the amount
161 	 * of available number of logical cores and crypto devices.
162 	 * For instance, if there are 4 cores and 2 crypto devices,
163 	 * 2 queue pairs will be set up per device.
164 	 */
165 	opts->nb_qps = (nb_lcores % enabled_cdev_count) ?
166 				(nb_lcores / enabled_cdev_count) + 1 :
167 				nb_lcores / enabled_cdev_count;
168 
169 	for (i = 0; i < enabled_cdev_count &&
170 			i < RTE_CRYPTO_MAX_DEVS; i++) {
171 		cdev_id = enabled_cdevs[i];
172 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
173 		/*
174 		 * If multi-core scheduler is used, limit the number
175 		 * of queue pairs to 1, as there is no way to know
176 		 * how many cores are being used by the PMD, and
177 		 * how many will be available for the application.
178 		 */
179 		if (!strcmp((const char *)opts->device_type, "crypto_scheduler") &&
180 				rte_cryptodev_scheduler_mode_get(cdev_id) ==
181 				CDEV_SCHED_MODE_MULTICORE)
182 			opts->nb_qps = 1;
183 #endif
184 
185 		struct rte_cryptodev_info cdev_info;
186 		uint8_t socket_id = rte_cryptodev_socket_id(cdev_id);
187 		/* range check the socket_id - negative values become big
188 		 * positive ones due to use of unsigned value
189 		 */
190 		if (socket_id >= RTE_MAX_NUMA_NODES)
191 			socket_id = 0;
192 
193 		rte_cryptodev_info_get(cdev_id, &cdev_info);
194 		if (opts->nb_qps > cdev_info.max_nb_queue_pairs) {
195 			printf("Number of needed queue pairs is higher "
196 				"than the maximum number of queue pairs "
197 				"per device.\n");
198 			printf("Lower the number of cores or increase "
199 				"the number of crypto devices\n");
200 			return -EINVAL;
201 		}
202 		struct rte_cryptodev_config conf = {
203 			.nb_queue_pairs = opts->nb_qps,
204 			.socket_id = socket_id,
205 			.ff_disable = RTE_CRYPTODEV_FF_SECURITY |
206 				      RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO,
207 		};
208 
209 		struct rte_cryptodev_qp_conf qp_conf = {
210 			.nb_descriptors = opts->nb_descriptors
211 		};
212 
213 		/**
214 		 * Device info specifies the min headroom and tailroom
215 		 * requirement for the crypto PMD. This need to be honoured
216 		 * by the application, while creating mbuf.
217 		 */
218 		if (opts->headroom_sz < cdev_info.min_mbuf_headroom_req) {
219 			/* Update headroom */
220 			opts->headroom_sz = cdev_info.min_mbuf_headroom_req;
221 		}
222 		if (opts->tailroom_sz < cdev_info.min_mbuf_tailroom_req) {
223 			/* Update tailroom */
224 			opts->tailroom_sz = cdev_info.min_mbuf_tailroom_req;
225 		}
226 
227 		/* Update segment size to include headroom & tailroom */
228 		opts->segment_sz += (opts->headroom_sz + opts->tailroom_sz);
229 
230 		uint32_t dev_max_nb_sess = cdev_info.sym.max_nb_sessions;
231 		/*
232 		 * Two sessions objects are required for each session
233 		 * (one for the header, one for the private data)
234 		 */
235 		if (!strcmp((const char *)opts->device_type,
236 					"crypto_scheduler")) {
237 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
238 			uint32_t nb_slaves =
239 				rte_cryptodev_scheduler_slaves_get(cdev_id,
240 								NULL);
241 
242 			sessions_needed = enabled_cdev_count *
243 				opts->nb_qps * nb_slaves;
244 #endif
245 		} else
246 			sessions_needed = enabled_cdev_count *
247 						opts->nb_qps;
248 
249 		/*
250 		 * A single session is required per queue pair
251 		 * in each device
252 		 */
253 		if (dev_max_nb_sess != 0 && dev_max_nb_sess < opts->nb_qps) {
254 			RTE_LOG(ERR, USER1,
255 				"Device does not support at least "
256 				"%u sessions\n", opts->nb_qps);
257 			return -ENOTSUP;
258 		}
259 
260 		ret = fill_session_pool_socket(socket_id, max_sess_size,
261 				sessions_needed);
262 		if (ret < 0)
263 			return ret;
264 
265 		qp_conf.mp_session = session_pool_socket[socket_id].sess_mp;
266 		qp_conf.mp_session_private =
267 				session_pool_socket[socket_id].priv_mp;
268 
269 		ret = rte_cryptodev_configure(cdev_id, &conf);
270 		if (ret < 0) {
271 			printf("Failed to configure cryptodev %u", cdev_id);
272 			return -EINVAL;
273 		}
274 
275 		for (j = 0; j < opts->nb_qps; j++) {
276 			ret = rte_cryptodev_queue_pair_setup(cdev_id, j,
277 				&qp_conf, socket_id);
278 			if (ret < 0) {
279 				printf("Failed to setup queue pair %u on "
280 					"cryptodev %u",	j, cdev_id);
281 				return -EINVAL;
282 			}
283 		}
284 
285 		ret = rte_cryptodev_start(cdev_id);
286 		if (ret < 0) {
287 			printf("Failed to start device %u: error %d\n",
288 					cdev_id, ret);
289 			return -EPERM;
290 		}
291 	}
292 
293 	return enabled_cdev_count;
294 }
295 
296 static int
297 cperf_verify_devices_capabilities(struct cperf_options *opts,
298 		uint8_t *enabled_cdevs, uint8_t nb_cryptodevs)
299 {
300 	struct rte_cryptodev_sym_capability_idx cap_idx;
301 	const struct rte_cryptodev_symmetric_capability *capability;
302 
303 	uint8_t i, cdev_id;
304 	int ret;
305 
306 	for (i = 0; i < nb_cryptodevs; i++) {
307 
308 		cdev_id = enabled_cdevs[i];
309 
310 		if (opts->op_type == CPERF_AUTH_ONLY ||
311 				opts->op_type == CPERF_CIPHER_THEN_AUTH ||
312 				opts->op_type == CPERF_AUTH_THEN_CIPHER) {
313 
314 			cap_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH;
315 			cap_idx.algo.auth = opts->auth_algo;
316 
317 			capability = rte_cryptodev_sym_capability_get(cdev_id,
318 					&cap_idx);
319 			if (capability == NULL)
320 				return -1;
321 
322 			ret = rte_cryptodev_sym_capability_check_auth(
323 					capability,
324 					opts->auth_key_sz,
325 					opts->digest_sz,
326 					opts->auth_iv_sz);
327 			if (ret != 0)
328 				return ret;
329 		}
330 
331 		if (opts->op_type == CPERF_CIPHER_ONLY ||
332 				opts->op_type == CPERF_CIPHER_THEN_AUTH ||
333 				opts->op_type == CPERF_AUTH_THEN_CIPHER) {
334 
335 			cap_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
336 			cap_idx.algo.cipher = opts->cipher_algo;
337 
338 			capability = rte_cryptodev_sym_capability_get(cdev_id,
339 					&cap_idx);
340 			if (capability == NULL)
341 				return -1;
342 
343 			ret = rte_cryptodev_sym_capability_check_cipher(
344 					capability,
345 					opts->cipher_key_sz,
346 					opts->cipher_iv_sz);
347 			if (ret != 0)
348 				return ret;
349 		}
350 
351 		if (opts->op_type == CPERF_AEAD) {
352 
353 			cap_idx.type = RTE_CRYPTO_SYM_XFORM_AEAD;
354 			cap_idx.algo.aead = opts->aead_algo;
355 
356 			capability = rte_cryptodev_sym_capability_get(cdev_id,
357 					&cap_idx);
358 			if (capability == NULL)
359 				return -1;
360 
361 			ret = rte_cryptodev_sym_capability_check_aead(
362 					capability,
363 					opts->aead_key_sz,
364 					opts->digest_sz,
365 					opts->aead_aad_sz,
366 					opts->aead_iv_sz);
367 			if (ret != 0)
368 				return ret;
369 		}
370 	}
371 
372 	return 0;
373 }
374 
375 static int
376 cperf_check_test_vector(struct cperf_options *opts,
377 		struct cperf_test_vector *test_vec)
378 {
379 	if (opts->op_type == CPERF_CIPHER_ONLY) {
380 		if (opts->cipher_algo == RTE_CRYPTO_CIPHER_NULL) {
381 			if (test_vec->plaintext.data == NULL)
382 				return -1;
383 		} else if (opts->cipher_algo != RTE_CRYPTO_CIPHER_NULL) {
384 			if (test_vec->plaintext.data == NULL)
385 				return -1;
386 			if (test_vec->plaintext.length < opts->max_buffer_size)
387 				return -1;
388 			if (test_vec->ciphertext.data == NULL)
389 				return -1;
390 			if (test_vec->ciphertext.length < opts->max_buffer_size)
391 				return -1;
392 			/* Cipher IV is only required for some algorithms */
393 			if (opts->cipher_iv_sz &&
394 					test_vec->cipher_iv.data == NULL)
395 				return -1;
396 			if (test_vec->cipher_iv.length != opts->cipher_iv_sz)
397 				return -1;
398 			if (test_vec->cipher_key.data == NULL)
399 				return -1;
400 			if (test_vec->cipher_key.length != opts->cipher_key_sz)
401 				return -1;
402 		}
403 	} else if (opts->op_type == CPERF_AUTH_ONLY) {
404 		if (opts->auth_algo != RTE_CRYPTO_AUTH_NULL) {
405 			if (test_vec->plaintext.data == NULL)
406 				return -1;
407 			if (test_vec->plaintext.length < opts->max_buffer_size)
408 				return -1;
409 			/* Auth key is only required for some algorithms */
410 			if (opts->auth_key_sz &&
411 					test_vec->auth_key.data == NULL)
412 				return -1;
413 			if (test_vec->auth_key.length != opts->auth_key_sz)
414 				return -1;
415 			if (test_vec->auth_iv.length != opts->auth_iv_sz)
416 				return -1;
417 			/* Auth IV is only required for some algorithms */
418 			if (opts->auth_iv_sz && test_vec->auth_iv.data == NULL)
419 				return -1;
420 			if (test_vec->digest.data == NULL)
421 				return -1;
422 			if (test_vec->digest.length < opts->digest_sz)
423 				return -1;
424 		}
425 
426 	} else if (opts->op_type == CPERF_CIPHER_THEN_AUTH ||
427 			opts->op_type == CPERF_AUTH_THEN_CIPHER) {
428 		if (opts->cipher_algo == RTE_CRYPTO_CIPHER_NULL) {
429 			if (test_vec->plaintext.data == NULL)
430 				return -1;
431 			if (test_vec->plaintext.length < opts->max_buffer_size)
432 				return -1;
433 		} else if (opts->cipher_algo != RTE_CRYPTO_CIPHER_NULL) {
434 			if (test_vec->plaintext.data == NULL)
435 				return -1;
436 			if (test_vec->plaintext.length < opts->max_buffer_size)
437 				return -1;
438 			if (test_vec->ciphertext.data == NULL)
439 				return -1;
440 			if (test_vec->ciphertext.length < opts->max_buffer_size)
441 				return -1;
442 			if (test_vec->cipher_iv.data == NULL)
443 				return -1;
444 			if (test_vec->cipher_iv.length != opts->cipher_iv_sz)
445 				return -1;
446 			if (test_vec->cipher_key.data == NULL)
447 				return -1;
448 			if (test_vec->cipher_key.length != opts->cipher_key_sz)
449 				return -1;
450 		}
451 		if (opts->auth_algo != RTE_CRYPTO_AUTH_NULL) {
452 			if (test_vec->auth_key.data == NULL)
453 				return -1;
454 			if (test_vec->auth_key.length != opts->auth_key_sz)
455 				return -1;
456 			if (test_vec->auth_iv.length != opts->auth_iv_sz)
457 				return -1;
458 			/* Auth IV is only required for some algorithms */
459 			if (opts->auth_iv_sz && test_vec->auth_iv.data == NULL)
460 				return -1;
461 			if (test_vec->digest.data == NULL)
462 				return -1;
463 			if (test_vec->digest.length < opts->digest_sz)
464 				return -1;
465 		}
466 	} else if (opts->op_type == CPERF_AEAD) {
467 		if (test_vec->plaintext.data == NULL)
468 			return -1;
469 		if (test_vec->plaintext.length < opts->max_buffer_size)
470 			return -1;
471 		if (test_vec->ciphertext.data == NULL)
472 			return -1;
473 		if (test_vec->ciphertext.length < opts->max_buffer_size)
474 			return -1;
475 		if (test_vec->aead_key.data == NULL)
476 			return -1;
477 		if (test_vec->aead_key.length != opts->aead_key_sz)
478 			return -1;
479 		if (test_vec->aead_iv.data == NULL)
480 			return -1;
481 		if (test_vec->aead_iv.length != opts->aead_iv_sz)
482 			return -1;
483 		if (test_vec->aad.data == NULL)
484 			return -1;
485 		if (test_vec->aad.length != opts->aead_aad_sz)
486 			return -1;
487 		if (test_vec->digest.data == NULL)
488 			return -1;
489 		if (test_vec->digest.length < opts->digest_sz)
490 			return -1;
491 	}
492 	return 0;
493 }
494 
495 int
496 main(int argc, char **argv)
497 {
498 	struct cperf_options opts = {0};
499 	struct cperf_test_vector *t_vec = NULL;
500 	struct cperf_op_fns op_fns;
501 	void *ctx[RTE_MAX_LCORE] = { };
502 	int nb_cryptodevs = 0;
503 	uint16_t total_nb_qps = 0;
504 	uint8_t cdev_id, i;
505 	uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = { 0 };
506 
507 	uint8_t buffer_size_idx = 0;
508 
509 	int ret;
510 	uint32_t lcore_id;
511 
512 	/* Initialise DPDK EAL */
513 	ret = rte_eal_init(argc, argv);
514 	if (ret < 0)
515 		rte_exit(EXIT_FAILURE, "Invalid EAL arguments!\n");
516 	argc -= ret;
517 	argv += ret;
518 
519 	cperf_options_default(&opts);
520 
521 	ret = cperf_options_parse(&opts, argc, argv);
522 	if (ret) {
523 		RTE_LOG(ERR, USER1, "Parsing on or more user options failed\n");
524 		goto err;
525 	}
526 
527 	ret = cperf_options_check(&opts);
528 	if (ret) {
529 		RTE_LOG(ERR, USER1,
530 				"Checking on or more user options failed\n");
531 		goto err;
532 	}
533 
534 	nb_cryptodevs = cperf_initialize_cryptodev(&opts, enabled_cdevs);
535 
536 	if (!opts.silent)
537 		cperf_options_dump(&opts);
538 
539 	if (nb_cryptodevs < 1) {
540 		RTE_LOG(ERR, USER1, "Failed to initialise requested crypto "
541 				"device type\n");
542 		nb_cryptodevs = 0;
543 		goto err;
544 	}
545 
546 	ret = cperf_verify_devices_capabilities(&opts, enabled_cdevs,
547 			nb_cryptodevs);
548 	if (ret) {
549 		RTE_LOG(ERR, USER1, "Crypto device type does not support "
550 				"capabilities requested\n");
551 		goto err;
552 	}
553 
554 	if (opts.test_file != NULL) {
555 		t_vec = cperf_test_vector_get_from_file(&opts);
556 		if (t_vec == NULL) {
557 			RTE_LOG(ERR, USER1,
558 					"Failed to create test vector for"
559 					" specified file\n");
560 			goto err;
561 		}
562 
563 		if (cperf_check_test_vector(&opts, t_vec)) {
564 			RTE_LOG(ERR, USER1, "Incomplete necessary test vectors"
565 					"\n");
566 			goto err;
567 		}
568 	} else {
569 		t_vec = cperf_test_vector_get_dummy(&opts);
570 		if (t_vec == NULL) {
571 			RTE_LOG(ERR, USER1,
572 					"Failed to create test vector for"
573 					" specified algorithms\n");
574 			goto err;
575 		}
576 	}
577 
578 	ret = cperf_get_op_functions(&opts, &op_fns);
579 	if (ret) {
580 		RTE_LOG(ERR, USER1, "Failed to find function ops set for "
581 				"specified algorithms combination\n");
582 		goto err;
583 	}
584 
585 	if (!opts.silent)
586 		show_test_vector(t_vec);
587 
588 	total_nb_qps = nb_cryptodevs * opts.nb_qps;
589 
590 	i = 0;
591 	uint8_t qp_id = 0, cdev_index = 0;
592 	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
593 
594 		if (i == total_nb_qps)
595 			break;
596 
597 		cdev_id = enabled_cdevs[cdev_index];
598 
599 		uint8_t socket_id = rte_cryptodev_socket_id(cdev_id);
600 
601 		ctx[i] = cperf_testmap[opts.test].constructor(
602 				session_pool_socket[socket_id].sess_mp,
603 				session_pool_socket[socket_id].priv_mp,
604 				cdev_id, qp_id,
605 				&opts, t_vec, &op_fns);
606 		if (ctx[i] == NULL) {
607 			RTE_LOG(ERR, USER1, "Test run constructor failed\n");
608 			goto err;
609 		}
610 		qp_id = (qp_id + 1) % opts.nb_qps;
611 		if (qp_id == 0)
612 			cdev_index++;
613 		i++;
614 	}
615 
616 	if (opts.imix_distribution_count != 0) {
617 		uint8_t buffer_size_count = opts.buffer_size_count;
618 		uint16_t distribution_total[buffer_size_count];
619 		uint32_t op_idx;
620 		uint32_t test_average_size = 0;
621 		const uint32_t *buffer_size_list = opts.buffer_size_list;
622 		const uint32_t *imix_distribution_list = opts.imix_distribution_list;
623 
624 		opts.imix_buffer_sizes = rte_malloc(NULL,
625 					sizeof(uint32_t) * opts.pool_sz,
626 					0);
627 		/*
628 		 * Calculate accumulated distribution of
629 		 * probabilities per packet size
630 		 */
631 		distribution_total[0] = imix_distribution_list[0];
632 		for (i = 1; i < buffer_size_count; i++)
633 			distribution_total[i] = imix_distribution_list[i] +
634 				distribution_total[i-1];
635 
636 		/* Calculate a random sequence of packet sizes, based on distribution */
637 		for (op_idx = 0; op_idx < opts.pool_sz; op_idx++) {
638 			uint16_t random_number = rte_rand() %
639 				distribution_total[buffer_size_count - 1];
640 			for (i = 0; i < buffer_size_count; i++)
641 				if (random_number < distribution_total[i])
642 					break;
643 
644 			opts.imix_buffer_sizes[op_idx] = buffer_size_list[i];
645 		}
646 
647 		/* Calculate average buffer size for the IMIX distribution */
648 		for (i = 0; i < buffer_size_count; i++)
649 			test_average_size += buffer_size_list[i] *
650 				imix_distribution_list[i];
651 
652 		opts.test_buffer_size = test_average_size /
653 				distribution_total[buffer_size_count - 1];
654 
655 		i = 0;
656 		RTE_LCORE_FOREACH_SLAVE(lcore_id) {
657 
658 			if (i == total_nb_qps)
659 				break;
660 
661 			rte_eal_remote_launch(cperf_testmap[opts.test].runner,
662 				ctx[i], lcore_id);
663 			i++;
664 		}
665 		i = 0;
666 		RTE_LCORE_FOREACH_SLAVE(lcore_id) {
667 
668 			if (i == total_nb_qps)
669 				break;
670 			ret |= rte_eal_wait_lcore(lcore_id);
671 			i++;
672 		}
673 
674 		if (ret != EXIT_SUCCESS)
675 			goto err;
676 	} else {
677 
678 		/* Get next size from range or list */
679 		if (opts.inc_buffer_size != 0)
680 			opts.test_buffer_size = opts.min_buffer_size;
681 		else
682 			opts.test_buffer_size = opts.buffer_size_list[0];
683 
684 		while (opts.test_buffer_size <= opts.max_buffer_size) {
685 			i = 0;
686 			RTE_LCORE_FOREACH_SLAVE(lcore_id) {
687 
688 				if (i == total_nb_qps)
689 					break;
690 
691 				rte_eal_remote_launch(cperf_testmap[opts.test].runner,
692 					ctx[i], lcore_id);
693 				i++;
694 			}
695 			i = 0;
696 			RTE_LCORE_FOREACH_SLAVE(lcore_id) {
697 
698 				if (i == total_nb_qps)
699 					break;
700 				ret |= rte_eal_wait_lcore(lcore_id);
701 				i++;
702 			}
703 
704 			if (ret != EXIT_SUCCESS)
705 				goto err;
706 
707 			/* Get next size from range or list */
708 			if (opts.inc_buffer_size != 0)
709 				opts.test_buffer_size += opts.inc_buffer_size;
710 			else {
711 				if (++buffer_size_idx == opts.buffer_size_count)
712 					break;
713 				opts.test_buffer_size =
714 					opts.buffer_size_list[buffer_size_idx];
715 			}
716 		}
717 	}
718 
719 	i = 0;
720 	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
721 
722 		if (i == total_nb_qps)
723 			break;
724 
725 		cperf_testmap[opts.test].destructor(ctx[i]);
726 		i++;
727 	}
728 
729 	for (i = 0; i < nb_cryptodevs &&
730 			i < RTE_CRYPTO_MAX_DEVS; i++)
731 		rte_cryptodev_stop(enabled_cdevs[i]);
732 
733 	free_test_vector(t_vec, &opts);
734 
735 	printf("\n");
736 	return EXIT_SUCCESS;
737 
738 err:
739 	i = 0;
740 	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
741 		if (i == total_nb_qps)
742 			break;
743 
744 		if (ctx[i] && cperf_testmap[opts.test].destructor)
745 			cperf_testmap[opts.test].destructor(ctx[i]);
746 		i++;
747 	}
748 
749 	for (i = 0; i < nb_cryptodevs &&
750 			i < RTE_CRYPTO_MAX_DEVS; i++)
751 		rte_cryptodev_stop(enabled_cdevs[i]);
752 	rte_free(opts.imix_buffer_sizes);
753 	free_test_vector(t_vec, &opts);
754 
755 	printf("\n");
756 	return EXIT_FAILURE;
757 }
758