From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Freimann Subject: [PATCH v14 09/10] net/virtio-user: fail if cq used with packed vq Date: Mon, 17 Dec 2018 22:31:38 +0100 Message-ID: <20181217213139.19299-10-jfreimann@redhat.com> References: <20181217213139.19299-1-jfreimann@redhat.com> Cc: tiwei.bie@intel.com, maxime.coquelin@redhat.com, Gavin.Hu@arm.com To: dev@dpdk.org Return-path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id BB9A21B6C3 for ; Mon, 17 Dec 2018 22:32:42 +0100 (CET) In-Reply-To: <20181217213139.19299-1-jfreimann@redhat.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Until we have support for control virtqueues let's disable it and fail device initalization if specified as a parameter. Signed-off-by: Jens Freimann --- drivers/net/virtio/virtio_user/virtio_user_dev.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c index 697ba4ae8..4e331fc6a 100644 --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c @@ -467,10 +467,16 @@ virtio_user_dev_init(struct virtio_user_dev *dev, char *path, int queues, if (!in_order) dev->unsupported_features |= (1ull << VIRTIO_F_IN_ORDER); - if (packed_vq) + if (packed_vq) { + if (cq) { + PMD_INIT_LOG(ERR, "control vq not supported yet with " + "packed virtqueues\n"); + return -1; + } dev->device_features |= (1ull << VIRTIO_F_RING_PACKED); - else + } else { dev->device_features &= ~(1ull << VIRTIO_F_RING_PACKED); + } if (dev->mac_specified) { dev->device_features |= (1ull << VIRTIO_NET_F_MAC); -- 2.17.2