[v14,09/10] net/virtio-user: fail if cq used with packed vq
Checks
Commit Message
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 <jfreimann@redhat.com>
---
drivers/net/virtio/virtio_user/virtio_user_dev.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
Comments
On 12/17/18 10:31 PM, Jens Freimann wrote:
> 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 <jfreimann@redhat.com>
> ---
> drivers/net/virtio/virtio_user/virtio_user_dev.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Thanks,
Maxime
@@ -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);