Function rte_rib_create

dpdk/lib/rib/rte_rib.c:395–474

}

struct rte_rib *
rte_rib_create(const char *name, int socket_id, const struct rte_rib_conf *conf)
{
	char mem_name[RTE_RIB_NAMESIZE];
	struct rte_rib *rib = NULL;
	struct rte_tailq_entry *te;
	struct rte_rib_list *rib_list;
	struct rte_mempool *node_pool;

	/* Check user arguments. */
	if (unlikely(name == NULL || conf == NULL || conf->max_nodes <= 0)) {
		rte_errno = EINVAL;
		return NULL;
	}

	snprintf(mem_name, sizeof(mem_name), "MP_%s", name);
	node_pool = rte_mempool_create(mem_name, conf->max_nodes,
		sizeof(struct rte_rib_node) + conf->ext_sz, 0, 0,
		NULL, NULL, NULL, NULL, socket_id, 0);

	if (node_pool == NULL) {
		RTE_LOG(ERR, LPM,
			"Can not allocate mempool for RIB %s\n", name);
		return NULL;
	}

	snprintf(mem_name, sizeof(mem_name), "RIB_%s", name);
	rib_list = RTE_TAILQ_CAST(rte_rib_tailq.head, rte_rib_list);

	rte_mcfg_tailq_write_lock();

	/* guarantee there's no existing */
	TAILQ_FOREACH(te, rib_list, next) {
		rib = (struct rte_rib *)te->data;
		if (strncmp(name, rib->name, RTE_RIB_NAMESIZE) == 0)
			break;
	}
	rib = NULL;
	if (te != NULL) {
		rte_errno = EEXIST;
		goto exit;
	}

	/* allocate tailq entry */
	te = rte_zmalloc("RIB_TAILQ_ENTRY", sizeof(*te), 0);
	if (unlikely(te == NULL)) {
		RTE_LOG(ERR, LPM,
			"Can not allocate tailq entry for RIB %s\n", name);
		rte_errno = ENOMEM;
		goto exit;
	}

	/* Allocate memory to store the RIB data structures. */
	rib = rte_zmalloc_socket(mem_name,
		sizeof(struct rte_rib),	RTE_CACHE_LINE_SIZE, socket_id);
	if (unlikely(rib == NULL)) {
		RTE_LOG(ERR, LPM, "RIB %s memory allocation failed\n", name);
		rte_errno = ENOMEM;