From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olivier Matz Subject: [PATCH 5/5] test/mbuf: verify that cloning a clone works properly Date: Wed, 25 Mar 2015 18:00:38 +0100 Message-ID: <1427302838-8285-6-git-send-email-olivier.matz@6wind.com> References: <1427302838-8285-1-git-send-email-olivier.matz@6wind.com> To: dev-VfR2kkLFssw@public.gmane.org Return-path: In-Reply-To: <1427302838-8285-1-git-send-email-olivier.matz-pdR9zngts4EAvxtiuMwx3w@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" Signed-off-by: Olivier Matz --- 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..68cd4de 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(clone); return -1; } #undef GOTO_FAIL -- 2.1.4