[dpdk-dev] [PATCH v6 12/13] test/mbuf: verify that cloning a clone works properly
Olivier Matz
olivier.matz at 6wind.com
Wed Apr 22 11:57:29 CEST 2015
Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
Acked-by: Neil Horman <nhorman at tuxdriver.com>
---
app/test/test_mbuf.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/app/test/test_mbuf.c b/app/test/test_mbuf.c
index a16ec53..68564ee 100644
--- a/app/test/test_mbuf.c
+++ b/app/test/test_mbuf.c
@@ -126,6 +126,7 @@ static unsigned refcnt_lcore[RTE_MAX_LCORE];
*
* #. Test packet cloning
* - Clone a mbuf and verify the data
+ * - Clone the cloned mbuf and verify the data
*/
#define GOTO_FAIL(str, ...) do { \
@@ -326,6 +327,7 @@ testclone_testupdate_testdetach(void)
{
struct rte_mbuf *m = NULL;
struct rte_mbuf *clone = NULL;
+ struct rte_mbuf *clone2 = NULL;
uint32_t *data;
/* alloc a mbuf */
@@ -383,11 +385,35 @@ testclone_testupdate_testdetach(void)
if (rte_mbuf_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);
+ if (clone2 == NULL)
+ GOTO_FAIL("cannot clone the clone\n");
+
+ data = rte_pktmbuf_mtod(clone2, uint32_t *);
+ if (*data != MAGIC_DATA)
+ GOTO_FAIL("invalid data in clone2\n");
+
+ data = rte_pktmbuf_mtod(clone2->next, uint32_t *);
+ if (*data != MAGIC_DATA)
+ GOTO_FAIL("invalid data in clone2->next\n");
+
+ if (rte_mbuf_refcnt_read(m) != 3)
+ GOTO_FAIL("invalid refcnt in m\n");
+
+ if (rte_mbuf_refcnt_read(m->next) != 3)
+ GOTO_FAIL("invalid refcnt in m->next\n");
+
/* free mbuf */
rte_pktmbuf_free(m);
rte_pktmbuf_free(clone);
+ rte_pktmbuf_free(clone2);
+
m = NULL;
clone = NULL;
+ clone2 = NULL;
+ printf("%s ok\n", __func__);
return 0;
fail:
@@ -395,6 +421,8 @@ fail:
rte_pktmbuf_free(m);
if (clone)
rte_pktmbuf_free(clone);
+ if (clone2)
+ rte_pktmbuf_free(clone2);
return -1;
}
#undef GOTO_FAIL
--
2.1.4
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