[PATCH 20/21] net/virtio-user: advertize control VQ support with vDPA

[Maxime Coquelin]

This patch advertizes control virtqueue support by the vDPA
backend if it supports VIRTIO_NET_F_CTRL_VQ.

Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com>
Reviewed-by: Chenbo Xia <chenbo....@intel.com>
Acked-by: Eugenio Pérez <epere...@redhat.com>
---
 drivers/net/virtio/virtio_user/vhost_vdpa.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/virtio/virtio_user/vhost_vdpa.c 
b/drivers/net/virtio/virtio_user/vhost_vdpa.c
index ebf6011769..2c36b26224 100644
--- a/drivers/net/virtio/virtio_user/vhost_vdpa.c
+++ b/drivers/net/virtio/virtio_user/vhost_vdpa.c
@@ -135,8 +135,8 @@ vhost_vdpa_get_features(struct virtio_user_dev *dev, 
uint64_t *features)
                return -1;
        }
 
-       /* Multiqueue not supported for now */
-       *features &= ~(1ULL << VIRTIO_NET_F_MQ);
+       if (*features & 1ULL << VIRTIO_NET_F_CTRL_VQ)
+               dev->hw_cvq = true;
 
        /* Negotiated vDPA backend features */
        ret = vhost_vdpa_get_protocol_features(dev, &data->protocol_features);
-- 
2.39.1