From patchwork Thu Jan 15 05:15:26 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ouyang Changchun X-Patchwork-Id: 2317 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 155E65AC0; Thu, 15 Jan 2015 06:16:33 +0100 (CET) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 54C9E5A1F for ; Thu, 15 Jan 2015 06:16:20 +0100 (CET) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP; 14 Jan 2015 21:16:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,401,1418112000"; d="scan'208";a="637552542" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga001.jf.intel.com with ESMTP; 14 Jan 2015 21:16:19 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t0F5GGqF002047; Thu, 15 Jan 2015 13:16:16 +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 t0F5GDJr015370; Thu, 15 Jan 2015 13:16:15 +0800 Received: (from couyang@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t0F5GDpF015366; Thu, 15 Jan 2015 13:16:13 +0800 From: Ouyang Changchun To: dev@dpdk.org Date: Thu, 15 Jan 2015 13:15:26 +0800 Message-Id: <1421298930-15210-19-git-send-email-changchun.ouyang@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1421298930-15210-1-git-send-email-changchun.ouyang@intel.com> References: <1421298930-15210-1-git-send-email-changchun.ouyang@intel.com> Subject: [dpdk-dev] [PATCH 18/22] 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" It should use vring descriptor index instead of used_ring index to index vq_descx. Signed-off-by: Changchun Ouyang --- 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 12c2310..2529dc4 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);