From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <couyang@shecgisg004.sh.intel.com> Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id BB5FB5AA4 for <dev@dpdk.org>; Tue, 27 Jan 2015 03:36:56 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP; 26 Jan 2015 18:32:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,471,1418112000"; d="scan'208";a="676368683" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga002.jf.intel.com with ESMTP; 26 Jan 2015 18:36:55 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t0R2aoTi015808; Tue, 27 Jan 2015 10:36:50 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t0R2amdi013856; Tue, 27 Jan 2015 10:36:50 +0800 Received: (from couyang@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t0R2amUi013852; Tue, 27 Jan 2015 10:36:48 +0800 From: Ouyang Changchun <changchun.ouyang@intel.com> To: dev@dpdk.org Date: Tue, 27 Jan 2015 10:35:58 +0800 Message-Id: <1422326164-13697-19-git-send-email-changchun.ouyang@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1422326164-13697-1-git-send-email-changchun.ouyang@intel.com> References: <1421298930-15210-1-git-send-email-changchun.ouyang@intel.com> <1422326164-13697-1-git-send-email-changchun.ouyang@intel.com> Subject: [dpdk-dev] [PATCH v2 18/24] virtio: Fix descriptor index issue X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Tue, 27 Jan 2015 02:46:56 -0000 It should use vring descriptor index instead of used_ring index to index vq_descx. Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com> --- lib/librte_pmd_virtio/virtio_rxtx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/librte_pmd_virtio/virtio_rxtx.c b/lib/librte_pmd_virtio/virtio_rxtx.c index 580701a..a82e8eb 100644 --- a/lib/librte_pmd_virtio/virtio_rxtx.c +++ b/lib/librte_pmd_virtio/virtio_rxtx.c @@ -144,9 +144,9 @@ virtio_xmit_cleanup(struct virtqueue *vq, uint16_t num) used_idx = (uint16_t)(vq->vq_used_cons_idx & (vq->vq_nentries - 1)); uep = &vq->vq_ring.used->ring[used_idx]; - dxp = &vq->vq_descx[used_idx]; desc_idx = (uint16_t) uep->id; + dxp = &vq->vq_descx[desc_idx]; vq->vq_used_cons_idx++; vq_ring_free_chain(vq, desc_idx); -- 1.8.4.2