From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f41.google.com (mail-wg0-f41.google.com [74.125.82.41]) by dpdk.org (Postfix) with ESMTP id A46A97F39 for ; Tue, 31 Mar 2015 21:23:32 +0200 (CEST) Received: by wgra20 with SMTP id a20so30316799wgr.3 for ; Tue, 31 Mar 2015 12:23:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=nmPxYESOV8c04MjI3VwR5v3Ks14W/qSzXgBFYMF/tBo=; b=I7DRG6CxVHiE7ENklqKDNBMmLtENx3yTY0kFZb43UsOnSEwxJshsClC2hqfACSypuS yGjlBrnWWlfijZgDTEoe+k/V773XuCmPY9uNtl7ZgHznuxGV46PO/VrIfZf0cfZ3imxl gjX+aFDsOHbVnBc58jpeziZcb6Ou8ifuj6cNA3lCDBofGunlYPAZDm8mufARO4E3LoB/ HpDe/JfdzU50KfPlnEUzDx0JXDDF7HLe3cTIe0C56ELdKY3A1sN4cPiiM6ODBqhUlg5N EJfcsKB9C/6TIzPPOmPoE1GFFYAuMDVKcwNv88U80pvtj3hvVR9zhALwINI94MYnE321 wQPg== X-Gm-Message-State: ALoCoQkbQh02fMiABMrZabBKcmRg120iPPo7FAngPcFGVWSFT0TbxmoebgkSFVjxhzAFrB3QQiD2 X-Received: by 10.194.11.9 with SMTP id m9mr75242404wjb.82.1427829812570; Tue, 31 Mar 2015 12:23:32 -0700 (PDT) Received: from localhost.localdomain ([185.65.185.242]) by mx.google.com with ESMTPSA id g2sm25966892wib.1.2015.03.31.12.23.31 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 31 Mar 2015 12:23:31 -0700 (PDT) From: Olivier Matz X-Google-Original-From: Olivier Matz To: dev@dpdk.org Date: Tue, 31 Mar 2015 21:23:03 +0200 Message-Id: <1427829784-12323-5-git-send-email-zer0@droids-corp.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1427829784-12323-1-git-send-email-zer0@droids-corp.org> References: <1427385595-15011-1-git-send-email-olivier.matz@6wind.com> <1427829784-12323-1-git-send-email-zer0@droids-corp.org> Subject: [dpdk-dev] [PATCH v3 4/5] test/mbuf: enhance mbuf refcnt test X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Mar 2015 19:23:33 -0000 From: Olivier Matz Check that the data in the cloned mbuf is the same than in the reference mbuf. Check that the reference counter is incremented for each segment. Signed-off-by: Olivier Matz --- app/test/test_mbuf.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/app/test/test_mbuf.c b/app/test/test_mbuf.c index 9a3cf8f..9d8ee4e 100644 --- a/app/test/test_mbuf.c +++ b/app/test/test_mbuf.c @@ -76,6 +76,8 @@ #define REFCNT_MBUF_SIZE (sizeof (struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) #define REFCNT_RING_SIZE (REFCNT_MBUF_NUM * REFCNT_MAX_REF) +#define MAGIC_DATA 0x42424242 + #define MAKE_STRING(x) # x static struct rte_mempool *pktmbuf_pool = NULL; @@ -323,6 +325,7 @@ testclone_testupdate_testdetach(void) { struct rte_mbuf *m = NULL; struct rte_mbuf *clone = NULL; + uint32_t *data; /* alloc a mbuf */ m = rte_pktmbuf_alloc(pktmbuf_pool); @@ -332,21 +335,53 @@ testclone_testupdate_testdetach(void) if (rte_pktmbuf_pkt_len(m) != 0) GOTO_FAIL("Bad length"); + rte_pktmbuf_append(m, sizeof(uint32_t)); + data = rte_pktmbuf_mtod(m, uint32_t *); + *data = MAGIC_DATA; /* clone the allocated mbuf */ clone = rte_pktmbuf_clone(m, pktmbuf_pool); if (clone == NULL) GOTO_FAIL("cannot clone data\n"); + + data = rte_pktmbuf_mtod(clone, uint32_t *); + if (*data != MAGIC_DATA) + GOTO_FAIL("invalid data in clone\n"); + + if (rte_mbuf_refcnt_read(m) != 2) + GOTO_FAIL("invalid refcnt in m\n"); + + /* free the clone */ rte_pktmbuf_free(clone); + clone = NULL; + /* same test with a chained mbuf */ m->next = rte_pktmbuf_alloc(pktmbuf_pool); if (m->next == NULL) GOTO_FAIL("Next Pkt Null\n"); + rte_pktmbuf_append(m->next, sizeof(uint32_t)); + data = rte_pktmbuf_mtod(m->next, uint32_t *); + *data = MAGIC_DATA; + clone = rte_pktmbuf_clone(m, pktmbuf_pool); if (clone == NULL) GOTO_FAIL("cannot clone data\n"); + data = rte_pktmbuf_mtod(clone, uint32_t *); + if (*data != MAGIC_DATA) + GOTO_FAIL("invalid data in clone\n"); + + data = rte_pktmbuf_mtod(clone->next, uint32_t *); + if (*data != MAGIC_DATA) + GOTO_FAIL("invalid data in clone->next\n"); + + if (rte_mbuf_refcnt_read(m) != 2) + GOTO_FAIL("invalid refcnt in m\n"); + + if (rte_mbuf_refcnt_read(m->next) != 2) + GOTO_FAIL("invalid refcnt in m->next\n"); + /* free mbuf */ rte_pktmbuf_free(m); rte_pktmbuf_free(clone); @@ -357,6 +392,8 @@ testclone_testupdate_testdetach(void) fail: if (m) rte_pktmbuf_free(m); + if (clone) + rte_pktmbuf_free(clone); return -1; } #undef GOTO_FAIL -- 2.1.4