Function test_pktmbuf_ext_pinned_buffer

dpdk/app/test/test_mbuf.c:2420–2526

* Test the mbuf pool with pinned external data buffers * - Allocate memory zone for external buffer * - Create the mbuf pool with pinned external buffer * - Check the created pool with relevant mbuf pool unit tests */

 *  - Check the created pool with relevant mbuf pool unit tests
 */
static int
test_pktmbuf_ext_pinned_buffer(struct rte_mempool *std_pool)
{

	struct rte_pktmbuf_extmem ext_mem;
	struct rte_mempool *pinned_pool = NULL;
	const struct rte_memzone *mz = NULL;

	printf("Test mbuf pool with external pinned data buffers\n");

	/* Allocate memzone for the external data buffer */
	mz = rte_memzone_reserve("pinned_pool",
				 NB_MBUF * MBUF_DATA_SIZE,
				 SOCKET_ID_ANY,
				 RTE_MEMZONE_2MB | RTE_MEMZONE_SIZE_HINT_ONLY);
	if (mz == NULL)
		GOTO_FAIL("%s: Memzone allocation failed\n", __func__);

	/* Create the mbuf pool with pinned external data buffer */
	ext_mem.buf_ptr = mz->addr;
	ext_mem.buf_iova = mz->iova;
	ext_mem.buf_len = mz->len;
	ext_mem.elt_size = MBUF_DATA_SIZE;

	pinned_pool = rte_pktmbuf_pool_create_extbuf("test_pinned_pool",
				NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
				MBUF_DATA_SIZE,	SOCKET_ID_ANY,
				&ext_mem, 1);
	if (pinned_pool == NULL)
		GOTO_FAIL("%s: Mbuf pool with pinned external"
			  " buffer creation failed\n", __func__);
	/* test multiple mbuf alloc */
	if (test_pktmbuf_pool(pinned_pool) < 0)
		GOTO_FAIL("%s: test_mbuf_pool(pinned) failed\n",
			  __func__);

	/* do it another time to check that all mbufs were freed */
	if (test_pktmbuf_pool(pinned_pool) < 0)
		GOTO_FAIL("%s: test_mbuf_pool(pinned) failed (2)\n",
			  __func__);

	/* test that the data pointer on a packet mbuf is set properly */
	if (test_pktmbuf_pool_ptr(pinned_pool) < 0)
		GOTO_FAIL("%s: test_pktmbuf_pool_ptr(pinned) failed\n",
			  __func__);

	/* test data manipulation in mbuf with non-ascii data */
	if (test_pktmbuf_with_non_ascii_data(pinned_pool) < 0)
		GOTO_FAIL("%s: test_pktmbuf_with_non_ascii_data(pinned)"
			  " failed\n", __func__);

	/* test free pktmbuf segment one by one */
	if (test_pktmbuf_free_segment(pinned_pool) < 0)
		GOTO_FAIL("%s: test_pktmbuf_free_segment(pinned) failed\n",
			  __func__);

	if (testclone_testupdate_testdetach(pinned_pool, std_pool) < 0)
		GOTO_FAIL("%s: testclone_and_testupdate(pinned) failed\n",