From fd8dda68ca08bd103d1b12618864b0a7f8761883 Mon Sep 17 00:00:00 2001 From: Olivier Matz Date: Wed, 22 Apr 2015 11:57:29 +0200 Subject: [PATCH] app/test: check cloning a clone Signed-off-by: Olivier Matz Acked-by: Neil Horman Acked-by: Konstantin Ananyev --- 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 a16ec53e5e..68564ee4e8 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 -- 2.20.1