Function test_mbuf

dpdk/app/test/test_mbuf.c:2751–2952

}

static int
test_mbuf(void)
{
	int ret = -1;
	struct rte_mempool *pktmbuf_pool = NULL;
	struct rte_mempool *pktmbuf_pool2 = NULL;


	RTE_BUILD_BUG_ON(sizeof(struct rte_mbuf) != RTE_CACHE_LINE_MIN_SIZE * 2);

	/* create pktmbuf pool if it does not exist */
	pktmbuf_pool = rte_pktmbuf_pool_create("test_pktmbuf_pool",
			NB_MBUF, MEMPOOL_CACHE_SIZE, 0, MBUF_DATA_SIZE,
			SOCKET_ID_ANY);

	if (pktmbuf_pool == NULL) {
		printf("cannot allocate mbuf pool\n");
		goto err;
	}

	/* test registration of dynamic fields and flags */
	if (test_mbuf_dyn(pktmbuf_pool) < 0) {
		printf("mbuf dynflag test failed\n");
		goto err;
	}

	/* create a specific pktmbuf pool with a priv_size != 0 and no data
	 * room size */
	pktmbuf_pool2 = rte_pktmbuf_pool_create("test_pktmbuf_pool2",
			NB_MBUF, MEMPOOL_CACHE_SIZE, MBUF2_PRIV_SIZE, 0,
			SOCKET_ID_ANY);

	if (pktmbuf_pool2 == NULL) {
		printf("cannot allocate mbuf pool\n");
		goto err;
	}

	/* test multiple mbuf alloc */
	if (test_pktmbuf_pool(pktmbuf_pool) < 0) {
		printf("test_mbuf_pool() failed\n");
		goto err;
	}

	/* do it another time to check that all mbufs were freed */
	if (test_pktmbuf_pool(pktmbuf_pool) < 0) {
		printf("test_mbuf_pool() failed (2)\n");
		goto err;
	}

	/* test bulk mbuf alloc and free */
	if (test_pktmbuf_pool_bulk() < 0) {
		printf("test_pktmbuf_pool_bulk() failed\n");
		goto err;
	}

	/* test that the pointer to the data on a packet mbuf is set properly */
	if (test_pktmbuf_pool_ptr(pktmbuf_pool) < 0) {
		printf("test_pktmbuf_pool_ptr() failed\n");