Function test_pktmbuf_alloc_bulk

dpdk/app/test/test_mbuf.c:1835–1867

* Test for allocating a bulk of mbufs * define an array with positive sizes for mbufs allocations. */

 * define an array with positive sizes for mbufs allocations.
 */
static int
test_pktmbuf_alloc_bulk(struct rte_mempool *pktmbuf_pool)
{
	int ret = 0;
	unsigned int idx, loop;
	unsigned int alloc_counts[] = {
		0,
		MEMPOOL_CACHE_SIZE - 1,
		MEMPOOL_CACHE_SIZE + 1,
		MEMPOOL_CACHE_SIZE * 1.5,
		MEMPOOL_CACHE_SIZE * 2,
		MEMPOOL_CACHE_SIZE * 2 - 1,
		MEMPOOL_CACHE_SIZE * 2 + 1,
		MEMPOOL_CACHE_SIZE,
	};

	/* allocate a large array of mbuf pointers */
	struct rte_mbuf *mbufs[NB_MBUF] = { 0 };
	for (idx = 0; idx < RTE_DIM(alloc_counts); idx++) {
		ret = rte_pktmbuf_alloc_bulk(pktmbuf_pool, mbufs,
				alloc_counts[idx]);
		if (ret == 0) {
			for (loop = 0; loop < alloc_counts[idx] &&
					mbufs[loop] != NULL; loop++)
				rte_pktmbuf_free(mbufs[loop]);
		} else if (ret != 0) {
			printf("%s: Bulk alloc failed count(%u); ret val(%d)\n",
					__func__, alloc_counts[idx], ret);
			return -1;
		}
	}
	return 0;
}

/*
 * Negative testing for allocating a bulk of mbufs