Function testclone_testupdate_testdetach

dpdk/app/test/test_mbuf.c:319–422

}

static int
testclone_testupdate_testdetach(struct rte_mempool *pktmbuf_pool,
				struct rte_mempool *clone_pool)
{
	struct rte_mbuf *m = NULL;
	struct rte_mbuf *clone = NULL;
	struct rte_mbuf *clone2 = NULL;
	unaligned_uint32_t *data;

	/* alloc a mbuf */
	m = rte_pktmbuf_alloc(pktmbuf_pool);
	if (m == NULL)
		GOTO_FAIL("ooops not allocating mbuf");

	if (rte_pktmbuf_pkt_len(m) != 0)
		GOTO_FAIL("Bad length");

	rte_pktmbuf_append(m, sizeof(uint32_t));
	data = rte_pktmbuf_mtod(m, unaligned_uint32_t *);
	*data = MAGIC_DATA;

	/* clone the allocated mbuf */
	clone = rte_pktmbuf_clone(m, clone_pool);
	if (clone == NULL)
		GOTO_FAIL("cannot clone data\n");

	data = rte_pktmbuf_mtod(clone, unaligned_uint32_t *);
	if (*data != MAGIC_DATA)
		GOTO_FAIL("invalid data in clone\n");

	if (testclone_refcnt_read(m) != 2)
		GOTO_FAIL("invalid refcnt in m\n");

	/* free the clone */
	rte_pktmbuf_free(clone);
	clone = NULL;

	/* same test with a chained mbuf */
	m->next = rte_pktmbuf_alloc(pktmbuf_pool);
	if (m->next == NULL)
		GOTO_FAIL("Next Pkt Null\n");
	m->nb_segs = 2;

	rte_pktmbuf_append(m->next, sizeof(uint32_t));
	m->pkt_len = 2 * sizeof(uint32_t);

	data = rte_pktmbuf_mtod(m->next, unaligned_uint32_t *);
	*data = MAGIC_DATA;

	clone = rte_pktmbuf_clone(m, clone_pool);
	if (clone == NULL)
		GOTO_FAIL("cannot clone data\n");

	data = rte_pktmbuf_mtod(clone, unaligned_uint32_t *);
	if (*data != MAGIC_DATA)
		GOTO_FAIL("invalid data in clone\n");

	data = rte_pktmbuf_mtod(clone->next, unaligned_uint32_t *);