Function rte_config_init

dpdk/lib/eal/linux/eal.c:375–414

Sets up rte_config structure with the pointer to shared memory config.*/

/* Sets up rte_config structure with the pointer to shared memory config.*/
static int
rte_config_init(void)
{
	struct rte_config *config = rte_eal_get_configuration();
	const struct internal_config *internal_conf =
		eal_get_internal_configuration();

	config->process_type = internal_conf->process_type;

	switch (config->process_type) {
	case RTE_PROC_PRIMARY:
		if (rte_eal_config_create() < 0)
			return -1;
		eal_mcfg_update_from_internal();
		break;
	case RTE_PROC_SECONDARY:
		if (rte_eal_config_attach() < 0)
			return -1;
		eal_mcfg_wait_complete();
		if (eal_mcfg_check_version() < 0) {
			RTE_LOG(ERR, EAL, "Primary and secondary process DPDK version mismatch\n");
			return -1;
		}
		if (rte_eal_config_reattach() < 0)
			return -1;
		if (!__rte_mp_enable()) {
			RTE_LOG(ERR, EAL, "Primary process refused secondary attachment\n");
			return -1;
		}
		eal_mcfg_update_internal();
		break;
	case RTE_PROC_AUTO:
	case RTE_PROC_INVALID:
		RTE_LOG(ERR, EAL, "Invalid process type %d\n",
			config->process_type);
		return -1;
	}

	return 0;
}

/* Unlocks hugepage directories that were locked by eal_hugepage_info_init */
static void