From: Jens Freimann Date: Mon, 17 Dec 2018 21:31:38 +0000 (+0100) Subject: net/virtio-user: fail if cq used with packed vq X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=07dd7e250d0128bf1edfd73e9d83bde09cdb11e9;p=dpdk.git net/virtio-user: fail if cq used with packed vq 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 Reviewed-by: Maxime Coquelin --- diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c index 697ba4ae82..4e331fc6a6 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);