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Elixir Cross Referencer

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#include <stdio.h>
#include <unistd.h>

#include <rte_eal.h>
#include <rte_cryptodev.h>

#include "cperf.h"
#include "cperf_options.h"
#include "cperf_test_vector_parsing.h"
#include "cperf_test_throughput.h"
#include "cperf_test_latency.h"
#include "cperf_test_verify.h"

const char *cperf_test_type_strs[] = {
	[CPERF_TEST_TYPE_THROUGHPUT] = "throughput",
	[CPERF_TEST_TYPE_LATENCY] = "latency",
	[CPERF_TEST_TYPE_VERIFY] = "verify"
};

const char *cperf_op_type_strs[] = {
	[CPERF_CIPHER_ONLY] = "cipher-only",
	[CPERF_AUTH_ONLY] = "auth-only",
	[CPERF_CIPHER_THEN_AUTH] = "cipher-then-auth",
	[CPERF_AUTH_THEN_CIPHER] = "auth-then-cipher",
	[CPERF_AEAD] = "aead"
};

const struct cperf_test cperf_testmap[] = {
		[CPERF_TEST_TYPE_THROUGHPUT] = {
				cperf_throughput_test_constructor,
				cperf_throughput_test_runner,
				cperf_throughput_test_destructor
		},
		[CPERF_TEST_TYPE_LATENCY] = {
				cperf_latency_test_constructor,
				cperf_latency_test_runner,
				cperf_latency_test_destructor
		},
		[CPERF_TEST_TYPE_VERIFY] = {
				cperf_verify_test_constructor,
				cperf_verify_test_runner,
				cperf_verify_test_destructor
		}
};

static int
cperf_initialize_cryptodev(struct cperf_options *opts, uint8_t *enabled_cdevs)
{
	uint8_t cdev_id, enabled_cdev_count = 0, nb_lcores;
	int ret;

	enabled_cdev_count = rte_cryptodev_devices_get(opts->device_type,
			enabled_cdevs, RTE_CRYPTO_MAX_DEVS);
	if (enabled_cdev_count == 0) {
		printf("No crypto devices type %s available\n",
				opts->device_type);
		return -EINVAL;
	}

	nb_lcores = rte_lcore_count() - 1;

	if (enabled_cdev_count > nb_lcores) {
		printf("Number of capable crypto devices (%d) "
				"has to be less or equal to number of slave "
				"cores (%d)\n", enabled_cdev_count, nb_lcores);
		return -EINVAL;
	}

	for (cdev_id = 0; cdev_id < enabled_cdev_count &&
			cdev_id < RTE_CRYPTO_MAX_DEVS; cdev_id++) {

		struct rte_cryptodev_config conf = {
				.nb_queue_pairs = 1,
				.socket_id = SOCKET_ID_ANY,
				.session_mp = {
					.nb_objs = 2048,
					.cache_size = 64
				}
			};
		struct rte_cryptodev_qp_conf qp_conf = {
				.nb_descriptors = 2048
		};

		ret = rte_cryptodev_configure(enabled_cdevs[cdev_id], &conf);
		if (ret < 0) {
			printf("Failed to configure cryptodev %u",
					enabled_cdevs[cdev_id]);
			return -EINVAL;
		}

		ret = rte_cryptodev_queue_pair_setup(enabled_cdevs[cdev_id], 0,
				&qp_conf, SOCKET_ID_ANY);
			if (ret < 0) {
				printf("Failed to setup queue pair %u on "
					"cryptodev %u",	0, cdev_id);
				return -EINVAL;
			}

		ret = rte_cryptodev_start(enabled_cdevs[cdev_id]);
		if (ret < 0) {
			printf("Failed to start device %u: error %d\n",
					enabled_cdevs[cdev_id], ret);
			return -EPERM;
		}
	}

	return enabled_cdev_count;
}

static int
cperf_verify_devices_capabilities(struct cperf_options *opts,
		uint8_t *enabled_cdevs, uint8_t nb_cryptodevs)
{
	struct rte_cryptodev_sym_capability_idx cap_idx;
	const struct rte_cryptodev_symmetric_capability *capability;

	uint8_t i, cdev_id;
	int ret;

	for (i = 0; i < nb_cryptodevs; i++) {

		cdev_id = enabled_cdevs[i];

		if (opts->op_type == CPERF_AUTH_ONLY ||
				opts->op_type == CPERF_CIPHER_THEN_AUTH ||
				opts->op_type == CPERF_AUTH_THEN_CIPHER ||
				opts->op_type == CPERF_AEAD)  {

			cap_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH;
			cap_idx.algo.auth = opts->auth_algo;

			capability = rte_cryptodev_sym_capability_get(cdev_id,
					&cap_idx);
			if (capability == NULL)
				return -1;

			ret = rte_cryptodev_sym_capability_check_auth(
					capability,
					opts->auth_key_sz,
					opts->auth_digest_sz,
					opts->auth_aad_sz);
			if (ret != 0)
				return ret;
		}

		if (opts->op_type == CPERF_CIPHER_ONLY ||
				opts->op_type == CPERF_CIPHER_THEN_AUTH ||
				opts->op_type == CPERF_AUTH_THEN_CIPHER ||
				opts->op_type == CPERF_AEAD) {

			cap_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
			cap_idx.algo.cipher = opts->cipher_algo;

			capability = rte_cryptodev_sym_capability_get(cdev_id,
					&cap_idx);
			if (capability == NULL)
				return -1;

			ret = rte_cryptodev_sym_capability_check_cipher(
					capability,
					opts->cipher_key_sz,
					opts->cipher_iv_sz);
			if (ret != 0)
				return ret;
		}
	}

	return 0;
}

static int
cperf_check_test_vector(struct cperf_options *opts,
		struct cperf_test_vector *test_vec)
{
	if (opts->op_type == CPERF_CIPHER_ONLY) {
		if (opts->cipher_algo == RTE_CRYPTO_CIPHER_NULL) {
			if (test_vec->plaintext.data == NULL)
				return -1;
		} else if (opts->cipher_algo != RTE_CRYPTO_CIPHER_NULL) {
			if (test_vec->plaintext.data == NULL)
				return -1;
			if (test_vec->plaintext.length < opts->max_buffer_size)
				return -1;
			if (test_vec->ciphertext.data == NULL)
				return -1;
			if (test_vec->ciphertext.length < opts->max_buffer_size)
				return -1;
			if (test_vec->iv.data == NULL)
				return -1;
			if (test_vec->iv.length != opts->cipher_iv_sz)
				return -1;
			if (test_vec->cipher_key.data == NULL)
				return -1;
			if (test_vec->cipher_key.length != opts->cipher_key_sz)
				return -1;
		}
	} else if (opts->op_type == CPERF_AUTH_ONLY) {
		if (opts->auth_algo != RTE_CRYPTO_AUTH_NULL) {
			if (test_vec->plaintext.data == NULL)
				return -1;
			if (test_vec->plaintext.length < opts->max_buffer_size)
				return -1;
			if (test_vec->auth_key.data == NULL)
				return -1;
			if (test_vec->auth_key.length != opts->auth_key_sz)
				return -1;
			if (test_vec->digest.data == NULL)
				return -1;
			if (test_vec->digest.length < opts->auth_digest_sz)
				return -1;
		}

	} else if (opts->op_type == CPERF_CIPHER_THEN_AUTH ||
			opts->op_type == CPERF_AUTH_THEN_CIPHER) {
		if (opts->cipher_algo == RTE_CRYPTO_CIPHER_NULL) {
			if (test_vec->plaintext.data == NULL)
				return -1;
			if (test_vec->plaintext.length < opts->max_buffer_size)
				return -1;
		} else if (opts->cipher_algo != RTE_CRYPTO_CIPHER_NULL) {
			if (test_vec->plaintext.data == NULL)
				return -1;
			if (test_vec->plaintext.length < opts->max_buffer_size)
				return -1;
			if (test_vec->ciphertext.data == NULL)
				return -1;
			if (test_vec->ciphertext.length < opts->max_buffer_size)
				return -1;
			if (test_vec->iv.data == NULL)
				return -1;
			if (test_vec->iv.length != opts->cipher_iv_sz)
				return -1;
			if (test_vec->cipher_key.data == NULL)
				return -1;
			if (test_vec->cipher_key.length != opts->cipher_key_sz)
				return -1;
		}
		if (opts->auth_algo != RTE_CRYPTO_AUTH_NULL) {
			if (test_vec->auth_key.data == NULL)
				return -1;
			if (test_vec->auth_key.length != opts->auth_key_sz)
				return -1;
			if (test_vec->digest.data == NULL)
				return -1;
			if (test_vec->digest.length < opts->auth_digest_sz)
				return -1;
		}
	} else if (opts->op_type == CPERF_AEAD) {
		if (test_vec->plaintext.data == NULL)
			return -1;
		if (test_vec->plaintext.length < opts->max_buffer_size)
			return -1;
		if (test_vec->ciphertext.data == NULL)
			return -1;
		if (test_vec->ciphertext.length < opts->max_buffer_size)
			return -1;
		if (test_vec->aad.data == NULL)
			return -1;
		if (test_vec->aad.length != opts->auth_aad_sz)
			return -1;
		if (test_vec->digest.data == NULL)
			return -1;
		if (test_vec->digest.length < opts->auth_digest_sz)
			return -1;
	}
	return 0;
}

int
main(int argc, char **argv)
{
	struct cperf_options opts = {0};
	struct cperf_test_vector *t_vec = NULL;
	struct cperf_op_fns op_fns;

	void *ctx[RTE_MAX_LCORE] = { };

	int nb_cryptodevs = 0;
	uint8_t cdev_id, i;
	uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = { 0 };

	uint8_t buffer_size_idx = 0;

	int ret;
	uint32_t lcore_id;

	/* Initialise DPDK EAL */
	ret = rte_eal_init(argc, argv);
	if (ret < 0)
		rte_exit(EXIT_FAILURE, "Invalid EAL arguments!\n");
	argc -= ret;
	argv += ret;

	cperf_options_default(&opts);

	ret = cperf_options_parse(&opts, argc, argv);
	if (ret) {
		RTE_LOG(ERR, USER1, "Parsing on or more user options failed\n");
		goto err;
	}

	ret = cperf_options_check(&opts);
	if (ret) {
		RTE_LOG(ERR, USER1,
				"Checking on or more user options failed\n");
		goto err;
	}

	if (!opts.silent)
		cperf_options_dump(&opts);

	nb_cryptodevs = cperf_initialize_cryptodev(&opts, enabled_cdevs);
	if (nb_cryptodevs < 1) {
		RTE_LOG(ERR, USER1, "Failed to initialise requested crypto "
				"device type\n");
		nb_cryptodevs = 0;
		goto err;
	}

	ret = cperf_verify_devices_capabilities(&opts, enabled_cdevs,
			nb_cryptodevs);
	if (ret) {
		RTE_LOG(ERR, USER1, "Crypto device type does not support "
				"capabilities requested\n");
		goto err;
	}

	if (opts.test_file != NULL) {
		t_vec = cperf_test_vector_get_from_file(&opts);
		if (t_vec == NULL) {
			RTE_LOG(ERR, USER1,
					"Failed to create test vector for"
					" specified file\n");
			goto err;
		}

		if (cperf_check_test_vector(&opts, t_vec)) {
			RTE_LOG(ERR, USER1, "Incomplete necessary test vectors"
					"\n");
			goto err;
		}
	} else {
		t_vec = cperf_test_vector_get_dummy(&opts);
		if (t_vec == NULL) {
			RTE_LOG(ERR, USER1,
					"Failed to create test vector for"
					" specified algorithms\n");
			goto err;
		}
	}

	ret = cperf_get_op_functions(&opts, &op_fns);
	if (ret) {
		RTE_LOG(ERR, USER1, "Failed to find function ops set for "
				"specified algorithms combination\n");
		goto err;
	}

	if (!opts.silent)
		show_test_vector(t_vec);

	i = 0;
	RTE_LCORE_FOREACH_SLAVE(lcore_id) {

		if (i == nb_cryptodevs)
			break;

		cdev_id = enabled_cdevs[i];

		ctx[cdev_id] = cperf_testmap[opts.test].constructor(cdev_id, 0,
				&opts, t_vec, &op_fns);
		if (ctx[cdev_id] == NULL) {
			RTE_LOG(ERR, USER1, "Test run constructor failed\n");
			goto err;
		}
		i++;
	}

	/* Get first size from range or list */
	if (opts.inc_buffer_size != 0)
		opts.test_buffer_size = opts.min_buffer_size;
	else
		opts.test_buffer_size = opts.buffer_size_list[0];

	while (opts.test_buffer_size <= opts.max_buffer_size) {
		i = 0;
		RTE_LCORE_FOREACH_SLAVE(lcore_id) {

			if (i == nb_cryptodevs)
				break;

			cdev_id = enabled_cdevs[i];

			rte_eal_remote_launch(cperf_testmap[opts.test].runner,
				ctx[cdev_id], lcore_id);
			i++;
		}
		rte_eal_mp_wait_lcore();

		/* Get next size from range or list */
		if (opts.inc_buffer_size != 0)
			opts.test_buffer_size += opts.inc_buffer_size;
		else {
			if (++buffer_size_idx == opts.buffer_size_count)
				break;
			opts.test_buffer_size = opts.buffer_size_list[buffer_size_idx];
		}
	}

	i = 0;
	RTE_LCORE_FOREACH_SLAVE(lcore_id) {

		if (i == nb_cryptodevs)
			break;

		cdev_id = enabled_cdevs[i];

		cperf_testmap[opts.test].destructor(ctx[cdev_id]);
		i++;
	}

	free_test_vector(t_vec, &opts);

	printf("\n");
	return EXIT_SUCCESS;

err:
	i = 0;
	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
		if (i == nb_cryptodevs)
			break;

		cdev_id = enabled_cdevs[i];

		if (ctx[cdev_id] && cperf_testmap[opts.test].destructor)
			cperf_testmap[opts.test].destructor(ctx[cdev_id]);
		i++;
	}

	free_test_vector(t_vec, &opts);

	printf("\n");
	return EXIT_FAILURE;
}