From patchwork Fri Mar 20 08:27:34 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linhaifeng X-Patchwork-Id: 4082 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 234A05A35; Fri, 20 Mar 2015 09:28:26 +0100 (CET) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [119.145.14.65]) by dpdk.org (Postfix) with ESMTP id 67A005A35 for ; Fri, 20 Mar 2015 09:28:22 +0100 (CET) Received: from 172.24.2.119 (EHLO szxeml430-hub.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CIT29082; Fri, 20 Mar 2015 16:28:21 +0800 (CST) Received: from localhost (10.177.19.115) by szxeml430-hub.china.huawei.com (10.82.67.185) with Microsoft SMTP Server id 14.3.158.1; Fri, 20 Mar 2015 16:27:36 +0800 From: linhaifeng To: Date: Fri, 20 Mar 2015 16:27:34 +0800 Message-ID: <1426840054-26088-1-git-send-email-haifeng.lin@huawei.com> X-Mailer: git-send-email 1.8.5.2.msysgit.0 MIME-Version: 1.0 X-Originating-IP: [10.177.19.115] X-CFilter-Loop: Reflected Subject: [dpdk-dev] [PATCH v2] lib/librte_vhost:fix can't send packet anymore after mempool is full again 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" From: Linhaifeng When failed to malloc buffer from mempool we just update last_used_idx but not used->idx so after many times vhost thought have handle all packets but virtio_net thought vhost have not handle all packets and will not update avail->idx. Signed-off-by: Linhaifeng --- lib/librte_vhost/vhost_rxtx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/librte_vhost/vhost_rxtx.c b/lib/librte_vhost/vhost_rxtx.c index 535c7a1..510ffe8 100644 --- a/lib/librte_vhost/vhost_rxtx.c +++ b/lib/librte_vhost/vhost_rxtx.c @@ -609,7 +609,7 @@ rte_vhost_dequeue_burst(struct virtio_net *dev, uint16_t queue_id, if (unlikely(m == NULL)) { RTE_LOG(ERR, VHOST_DATA, "Failed to allocate memory for mbuf.\n"); - return entry_success; + break; } seg_offset = 0; seg_avail = m->buf_len - RTE_PKTMBUF_HEADROOM;