diff mbox series

[v2] app/test: add test for mbuf with pinned external buffer

Message ID 1580982560-4457-1-git-send-email-viacheslavo@mellanox.com (mailing list archive)
State Accepted, archived
Delegated to: Thomas Monjalon
Headers
Series [v2] app/test: add test for mbuf with pinned external buffer |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/iol-testing success Testing PASS
ci/iol-nxp-Performance success Performance Testing PASS
ci/iol-mellanox-Performance success Performance Testing PASS
ci/travis-robot success Travis build: passed
ci/Intel-compilation fail apply issues

Commit Message

Slava Ovsiienko Feb. 6, 2020, 9:49 a.m. UTC 
  This patch adds unit test for the mbufs allocated from
the special pool with pinned external data buffers.

The pinned buffer mbufs are tested in the same way as
regular ones with taking into account some specifics
of cloning/attaching.

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
---
v2: uncomment the failed sanity check test 

 app/test/test_mbuf.c | 163 ++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 149 insertions(+), 14 deletions(-)

Comments

Thomas Monjalon Feb. 6, 2020, 2:43 p.m. UTC | #1 
06/02/2020 10:49, Viacheslav Ovsiienko:
> This patch adds unit test for the mbufs allocated from
> the special pool with pinned external data buffers.
> 
> The pinned buffer mbufs are tested in the same way as
> regular ones with taking into account some specifics
> of cloning/attaching.
> 
> Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
> ---
> v2: uncomment the failed sanity check test 

Acked-by: Olivier Matz <olivier.matz@6wind.com>

Applied, thanks
diff mbox series

Patch

diff --git a/app/test/test_mbuf.c b/app/test/test_mbuf.c
index 61ecffc..8200b4f 100644
--- a/app/test/test_mbuf.c
+++ b/app/test/test_mbuf.c
@@ -310,8 +310,17 @@ 
 	return -1;
 }
 
+static uint16_t
+testclone_refcnt_read(struct rte_mbuf *m)
+{
+	return RTE_MBUF_HAS_PINNED_EXTBUF(m) ?
+	       rte_mbuf_ext_refcnt_read(m->shinfo) :
+	       rte_mbuf_refcnt_read(m);
+}
+
 static int
-testclone_testupdate_testdetach(struct rte_mempool *pktmbuf_pool)
+testclone_testupdate_testdetach(struct rte_mempool *pktmbuf_pool,
+				struct rte_mempool *clone_pool)
 {
 	struct rte_mbuf *m = NULL;
 	struct rte_mbuf *clone = NULL;
@@ -331,7 +340,7 @@ 
 	*data = MAGIC_DATA;
 
 	/* clone the allocated mbuf */
-	clone = rte_pktmbuf_clone(m, pktmbuf_pool);
+	clone = rte_pktmbuf_clone(m, clone_pool);
 	if (clone == NULL)
 		GOTO_FAIL("cannot clone data\n");
 
@@ -339,7 +348,7 @@ 
 	if (*data != MAGIC_DATA)
 		GOTO_FAIL("invalid data in clone\n");
 
-	if (rte_mbuf_refcnt_read(m) != 2)
+	if (testclone_refcnt_read(m) != 2)
 		GOTO_FAIL("invalid refcnt in m\n");
 
 	/* free the clone */
@@ -358,7 +367,7 @@ 
 	data = rte_pktmbuf_mtod(m->next, unaligned_uint32_t *);
 	*data = MAGIC_DATA;
 
-	clone = rte_pktmbuf_clone(m, pktmbuf_pool);
+	clone = rte_pktmbuf_clone(m, clone_pool);
 	if (clone == NULL)
 		GOTO_FAIL("cannot clone data\n");
 
@@ -370,15 +379,15 @@ 
 	if (*data != MAGIC_DATA)
 		GOTO_FAIL("invalid data in clone->next\n");
 
-	if (rte_mbuf_refcnt_read(m) != 2)
+	if (testclone_refcnt_read(m) != 2)
 		GOTO_FAIL("invalid refcnt in m\n");
 
-	if (rte_mbuf_refcnt_read(m->next) != 2)
+	if (testclone_refcnt_read(m->next) != 2)
 		GOTO_FAIL("invalid refcnt in m->next\n");
 
 	/* try to clone the clone */
 
-	clone2 = rte_pktmbuf_clone(clone, pktmbuf_pool);
+	clone2 = rte_pktmbuf_clone(clone, clone_pool);
 	if (clone2 == NULL)
 		GOTO_FAIL("cannot clone the clone\n");
 
@@ -390,10 +399,10 @@ 
 	if (*data != MAGIC_DATA)
 		GOTO_FAIL("invalid data in clone2->next\n");
 
-	if (rte_mbuf_refcnt_read(m) != 3)
+	if (testclone_refcnt_read(m) != 3)
 		GOTO_FAIL("invalid refcnt in m\n");
 
-	if (rte_mbuf_refcnt_read(m->next) != 3)
+	if (testclone_refcnt_read(m->next) != 3)
 		GOTO_FAIL("invalid refcnt in m->next\n");
 
 	/* free mbuf */
@@ -418,7 +427,8 @@ 
 }
 
 static int
-test_pktmbuf_copy(struct rte_mempool *pktmbuf_pool)
+test_pktmbuf_copy(struct rte_mempool *pktmbuf_pool,
+		  struct rte_mempool *clone_pool)
 {
 	struct rte_mbuf *m = NULL;
 	struct rte_mbuf *copy = NULL;
@@ -458,11 +468,14 @@ 
 	copy = NULL;
 
 	/* same test with a cloned mbuf */
-	clone = rte_pktmbuf_clone(m, pktmbuf_pool);
+	clone = rte_pktmbuf_clone(m, clone_pool);
 	if (clone == NULL)
 		GOTO_FAIL("cannot clone data\n");
 
-	if (!RTE_MBUF_CLONED(clone))
+	if ((!RTE_MBUF_HAS_PINNED_EXTBUF(m) &&
+	     !RTE_MBUF_CLONED(clone)) ||
+	    (RTE_MBUF_HAS_PINNED_EXTBUF(m) &&
+	     !RTE_MBUF_HAS_EXTBUF(clone)))
 		GOTO_FAIL("clone did not give a cloned mbuf\n");
 
 	copy = rte_pktmbuf_copy(clone, pktmbuf_pool, 0, UINT32_MAX);
@@ -1199,6 +1212,7 @@ 
 	buf = rte_pktmbuf_alloc(pktmbuf_pool);
 	if (buf == NULL)
 		return -1;
+
 	printf("Checking good mbuf initially\n");
 	if (verify_mbuf_check_panics(buf) != -1)
 		return -1;
@@ -2411,6 +2425,120 @@  struct test_case {
 	return -1;
 }
 
+/*
+ * 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
+ */
+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",
+			  __func__);
+
+	if (test_pktmbuf_copy(pinned_pool, std_pool) < 0)
+		GOTO_FAIL("%s: test_pktmbuf_copy(pinned) failed\n",
+			  __func__);
+
+	if (test_failing_mbuf_sanity_check(pinned_pool) < 0)
+		GOTO_FAIL("%s: test_failing_mbuf_sanity_check(pinned)"
+			  " failed\n", __func__);
+
+	if (test_mbuf_linearize_check(pinned_pool) < 0)
+		GOTO_FAIL("%s: test_mbuf_linearize_check(pinned) failed\n",
+			  __func__);
+
+	/* test for allocating a bulk of mbufs with various sizes */
+	if (test_pktmbuf_alloc_bulk(pinned_pool) < 0)
+		GOTO_FAIL("%s: test_rte_pktmbuf_alloc_bulk(pinned) failed\n",
+			  __func__);
+
+	/* test for allocating a bulk of mbufs with various sizes */
+	if (test_neg_pktmbuf_alloc_bulk(pinned_pool) < 0)
+		GOTO_FAIL("%s: test_neg_rte_pktmbuf_alloc_bulk(pinned)"
+			  " failed\n", __func__);
+
+	/* test to read mbuf packet */
+	if (test_pktmbuf_read(pinned_pool) < 0)
+		GOTO_FAIL("%s: test_rte_pktmbuf_read(pinned) failed\n",
+			  __func__);
+
+	/* test to read mbuf packet from offset */
+	if (test_pktmbuf_read_from_offset(pinned_pool) < 0)
+		GOTO_FAIL("%s: test_rte_pktmbuf_read_from_offset(pinned)"
+			  " failed\n", __func__);
+
+	/* test to read data from chain of mbufs with data segments */
+	if (test_pktmbuf_read_from_chain(pinned_pool) < 0)
+		GOTO_FAIL("%s: test_rte_pktmbuf_read_from_chain(pinned)"
+			  " failed\n", __func__);
+
+	RTE_SET_USED(std_pool);
+	rte_mempool_free(pinned_pool);
+	rte_memzone_free(mz);
+	return 0;
+
+fail:
+	rte_mempool_free(pinned_pool);
+	rte_memzone_free(mz);
+	return -1;
+}
+
 static int
 test_mbuf_dyn(struct rte_mempool *pktmbuf_pool)
 {
@@ -2635,12 +2763,12 @@  struct test_case {
 		goto err;
 	}
 
-	if (testclone_testupdate_testdetach(pktmbuf_pool) < 0) {
+	if (testclone_testupdate_testdetach(pktmbuf_pool, pktmbuf_pool) < 0) {
 		printf("testclone_and_testupdate() failed \n");
 		goto err;
 	}
 
-	if (test_pktmbuf_copy(pktmbuf_pool) < 0) {
+	if (test_pktmbuf_copy(pktmbuf_pool, pktmbuf_pool) < 0) {
 		printf("test_pktmbuf_copy() failed\n");
 		goto err;
 	}
@@ -2731,6 +2859,13 @@  struct test_case {
 		goto err;
 	}
 
+	/* test the mbuf pool with pinned external data buffers */
+	if (test_pktmbuf_ext_pinned_buffer(pktmbuf_pool) < 0) {
+		printf("test_pktmbuf_ext_pinned_buffer() failed\n");
+		goto err;
+	}
+
+
 	ret = 0;
 err:
 	rte_mempool_free(pktmbuf_pool);