Re: [virtio-comment] [PATCH v2] virtio-net: support the virtqueue coalescing moderation

[Alvaro Karsz <alvaro.karsz@solid-run.com>]

> >> So, should we remove VIRTIO_NET_F_CTRL_VQ here, or fix VIRTIO_NET_F_HOST_ECN?
> > Ah good point.
> > But I think  VIRTIO_NET_F_VQ_NOTF_COAL should not depend on VIRTIO_NET_F_NOTF_COAL.
> > This way devices can drop the all-rx/all-tx commands if they want to.
>
> We need to confirm this. If we make VIRTIO_NET_F_VQ_NOTF_COAL
> independent of VIRTIO_NET_F_NOTF_COAL,
> do we need to give vqn a special value so that the driver can also have
> the fast path of sending all queues with global settings via
> VIRTIO_NET_F_VQ_NOTF_COAL?

IMO we don't need a special vqn value.
A device that can modify all the vqs should offer VIRTIO_NET_F_NOTF_COAL.