Re: [RFC PATCH v6 17/22] virtio/vsock: SEQPACKET feature bit support

[Stefano Garzarella]

On Sun, Mar 07, 2021 at 09:04:01PM +0300, Arseny Krasnov wrote:
> This adds handling of SEQPACKET bit: guest tries to negotiate it
> with vhost.
>
> Signed-off-by: Arseny Krasnov <arseny.krasnov@xxxxxxxxxxxxx>
> ---
> net/vmw_vsock/virtio_transport.c | 5 +++++
> 1 file changed, 5 insertions(+)

Also for this patch I think is better to move after we set the 
seqpackets ops.

> diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
> index 2700a63ab095..41c5d0a31e08 100644
> --- a/net/vmw_vsock/virtio_transport.c
> +++ b/net/vmw_vsock/virtio_transport.c
> @@ -612,6 +612,10 @@ static int virtio_vsock_probe(struct virtio_device *vdev)
> 	rcu_assign_pointer(the_virtio_vsock, vsock);
>
> 	mutex_unlock(&the_virtio_vsock_mutex);
> +
> +	if (vdev->features & (1ULL << VIRTIO_VSOCK_F_SEQPACKET))
> +		virtio_transport.seqpacket_allow = true;
> +
> 	return 0;
>
> out:
> @@ -695,6 +699,7 @@ static struct virtio_device_id id_table[] = {
> };
>
> static unsigned int features[] = {
> +	VIRTIO_VSOCK_F_SEQPACKET
> };
>
> static struct virtio_driver virtio_vsock_driver = {
> --
> 2.25.1