From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id EB7235A97 for ; Fri, 30 Jan 2015 07:36:38 +0100 (CET) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga103.fm.intel.com with ESMTP; 29 Jan 2015 22:30:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,490,1418112000"; d="scan'208";a="644914939" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga001.jf.intel.com with ESMTP; 29 Jan 2015 22:36:36 -0800 Received: from shecgisg003.sh.intel.com (shecgisg003.sh.intel.com [10.239.29.90]) by shvmail01.sh.intel.com with ESMTP id t0U6aX0k006051; Fri, 30 Jan 2015 14:36:33 +0800 Received: from shecgisg003.sh.intel.com (localhost [127.0.0.1]) by shecgisg003.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t0U6aV1i012051; Fri, 30 Jan 2015 14:36:33 +0800 Received: (from hxie5@localhost) by shecgisg003.sh.intel.com (8.13.6/8.13.6/Submit) id t0U6aVm7012047; Fri, 30 Jan 2015 14:36:31 +0800 From: Huawei Xie To: dev@dpdk.org Date: Fri, 30 Jan 2015 14:36:16 +0800 Message-Id: <1422599787-12009-2-git-send-email-huawei.xie@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1422599787-12009-1-git-send-email-huawei.xie@intel.com> References: <1422599787-12009-1-git-send-email-huawei.xie@intel.com> Subject: [dpdk-dev] [PATCH 01/12] lib/librte_vhost: enable VIRTIO_NET_F_CTRL_RX 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: Fri, 30 Jan 2015 06:36:40 -0000 VIRTIO_NET_F_CTRL_RX is dependant on VIRTIO_NET_F_CTRL_VQ. Observed that virtio-net driver in guest would crash with only CTRL_RX enabled. In virtnet_send_command: /* Caller should know better */ BUG_ON(!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ) || (out + in > VIRTNET_SEND_COMMAND_SG_MAX)); Signed-off-by: Huawei Xie --- lib/librte_vhost/virtio-net.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/librte_vhost/virtio-net.c b/lib/librte_vhost/virtio-net.c index b041849..52b4957 100644 --- a/lib/librte_vhost/virtio-net.c +++ b/lib/librte_vhost/virtio-net.c @@ -73,7 +73,8 @@ static struct virtio_net_config_ll *ll_root; /* Features supported by this lib. */ #define VHOST_SUPPORTED_FEATURES ((1ULL << VIRTIO_NET_F_MRG_RXBUF) | \ - (1ULL << VIRTIO_NET_F_CTRL_RX)) + (1ULL << VIRTIO_NET_F_CTRL_VQ) | \ + (1ULL << VIRTIO_NET_F_CTRL_RX)) static uint64_t VHOST_FEATURES = VHOST_SUPPORTED_FEATURES; /* Line size for reading maps file. */ -- 1.8.1.4