From patchwork Fri Feb 9 17:28:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomasz Kulasek X-Patchwork-Id: 35098 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 6552C1B86E; Fri, 9 Feb 2018 18:30:51 +0100 (CET) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id BFC8B1B85A; Fri, 9 Feb 2018 18:30:49 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Feb 2018 09:30:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,483,1511856000"; d="scan'208";a="29530524" Received: from unknown (HELO Sent) ([10.103.103.74]) by fmsmga001.fm.intel.com with SMTP; 09 Feb 2018 09:30:45 -0800 Received: by Sent (sSMTP sendmail emulation); Fri, 09 Feb 2018 18:29:41 +0100 From: Tomasz Kulasek To: yliu@fridaylinux.org Cc: dev@dpdk.org, huawei.xie@intel.com, stable@dpdk.org, Pawel Wodkowski Date: Fri, 9 Feb 2018 18:28:21 +0100 Message-Id: <20180209172821.9240-1-tomaszx.kulasek@intel.com> X-Mailer: git-send-email 2.12.3 Subject: [dpdk-dev] [PATCH] vhost: fix return avail ring position in get vring base X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" According to the "Vhost-user Protocol" document, VHOST_USER_GET_VRING_BASE should get the available vring base offset. Fixes: 8f972312b8f4 ("vhost: support vhost-user") Cc: huawei.xie@intel.com Cc: stable@dpdk.org Signed-off-by: Pawel Wodkowski Signed-off-by: Tomasz Kulasek Reviewed-by: Jianfeng Tan Reviewed-by: Maxime Coquelin --- lib/librte_vhost/vhost_user.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c index 65ee33919..04eee3a3a 100644 --- a/lib/librte_vhost/vhost_user.c +++ b/lib/librte_vhost/vhost_user.c @@ -881,8 +881,8 @@ vhost_user_get_vring_base(struct virtio_net *dev, dev->flags &= ~VIRTIO_DEV_READY; - /* Here we are safe to get the last used index */ - msg->payload.state.num = vq->last_used_idx; + /* Here we are safe to get the last avail index */ + msg->payload.state.num = vq->last_avail_idx; RTE_LOG(INFO, VHOST_CONFIG, "vring base idx:%d file:%d\n", msg->payload.state.index,