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From: Olivier Matz <olivier.matz@6wind.com>
To: dev@dpdk.org
Date: Thu, 26 Mar 2015 16:59:55 +0100
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Cc: zoltan.kiss@linaro.org
Subject: [dpdk-dev] [PATCH v2 5/5] test/mbuf: verify that cloning a clone
works properly
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Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
---
app/test/test_mbuf.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/app/test/test_mbuf.c b/app/test/test_mbuf.c
index 9d8ee4e..e59aedc 100644
--- a/app/test/test_mbuf.c
+++ b/app/test/test_mbuf.c
@@ -325,6 +325,7 @@ 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 */
@@ -382,11 +383,34 @@ 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;
return 0;
fail:
@@ -394,6 +418,8 @@ 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