Function mbuf_pool_create

dpdk/app/test-pmd/testpmd.c:1165–1279

* Configuration initialisation done once at init time. */

 * Configuration initialisation done once at init time.
 */
static struct rte_mempool *
mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
		 unsigned int socket_id, uint16_t size_idx)
{
	char pool_name[RTE_MEMPOOL_NAMESIZE];
	struct rte_mempool *rte_mp = NULL;
#ifndef RTE_EXEC_ENV_WINDOWS
	uint32_t mb_size;

	mb_size = sizeof(struct rte_mbuf) + mbuf_seg_size;
#endif
	mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name), size_idx);
	if (!is_proc_primary()) {
		rte_mp = rte_mempool_lookup(pool_name);
		if (rte_mp == NULL)
			rte_exit(EXIT_FAILURE,
				"Get mbuf pool for socket %u failed: %s\n",
				socket_id, rte_strerror(rte_errno));
		return rte_mp;
	}

	TESTPMD_LOG(INFO,
		"create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
		pool_name, nb_mbuf, mbuf_seg_size, socket_id);

	switch (mp_alloc_type) {
	case MP_ALLOC_NATIVE:
		{
			/* wrapper to rte_mempool_create() */
			TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n",
					rte_mbuf_best_mempool_ops());
			rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf,
				mb_mempool_cache, 0, mbuf_seg_size, socket_id);
			break;
		}
#ifndef RTE_EXEC_ENV_WINDOWS
	case MP_ALLOC_ANON:
		{
			rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf,
				mb_size, (unsigned int) mb_mempool_cache,
				sizeof(struct rte_pktmbuf_pool_private),
				socket_id, mempool_flags);
			if (rte_mp == NULL)
				goto err;

			if (rte_mempool_populate_anon(rte_mp) == 0) {
				rte_mempool_free(rte_mp);
				rte_mp = NULL;
				goto err;
			}
			rte_pktmbuf_pool_init(rte_mp, NULL);
			rte_mempool_obj_iter(rte_mp, rte_pktmbuf_init, NULL);
			rte_mempool_mem_iter(rte_mp, dma_map_cb, NULL);
			break;
		}
	case MP_ALLOC_XMEM:
	case MP_ALLOC_XMEM_HUGE:
		{