Function cperf_initialize_cryptodev

dpdk/app/test-crypto-perf/main.c:123–330

}

static int
cperf_initialize_cryptodev(struct cperf_options *opts, uint8_t *enabled_cdevs)
{
	uint8_t enabled_cdev_count = 0, nb_lcores, cdev_id;
	uint32_t sessions_needed = 0;
	unsigned int i, j;
	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 (nb_lcores < 1) {
		RTE_LOG(ERR, USER1,
			"Number of enabled cores need to be higher than 1\n");
		return -EINVAL;
	}

	/*
	 * Use less number of devices,
	 * if there are more available than cores.
	 */
	if (enabled_cdev_count > nb_lcores)
		enabled_cdev_count = nb_lcores;

	/* Create a mempool shared by all the devices */
	uint32_t max_sess_size = 0, sess_size;

	for (cdev_id = 0; cdev_id < rte_cryptodev_count(); cdev_id++) {
		sess_size = rte_cryptodev_sym_get_private_session_size(cdev_id);
		if (sess_size > max_sess_size)
			max_sess_size = sess_size;
	}
#ifdef RTE_LIB_SECURITY
	for (cdev_id = 0; cdev_id < rte_cryptodev_count(); cdev_id++) {
		sess_size = rte_security_session_get_size(
				rte_cryptodev_get_sec_ctx(cdev_id));
		if (sess_size > max_sess_size)
			max_sess_size = sess_size;
	}
#endif
	/*
	 * Calculate number of needed queue pairs, based on the amount
	 * of available number of logical cores and crypto devices.
	 * For instance, if there are 4 cores and 2 crypto devices,
	 * 2 queue pairs will be set up per device.
	 */
	opts->nb_qps = (nb_lcores % enabled_cdev_count) ?
				(nb_lcores / enabled_cdev_count) + 1 :
				nb_lcores / enabled_cdev_count;

	for (i = 0; i < enabled_cdev_count &&