This adds new virtio vsock specific feature bit which means SOCK_SEQPACKET support. Guest negotiates this bit with vhost, thus checking that vhost side supports SEQPACKET. Signed-off-by: Arseny Krasnov <arseny.krasnov@xxxxxxxxxxxxx> --- include/uapi/linux/virtio_vsock.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/uapi/linux/virtio_vsock.h b/include/uapi/linux/virtio_vsock.h index 692f8078cced..619aaebb355a 100644 --- a/include/uapi/linux/virtio_vsock.h +++ b/include/uapi/linux/virtio_vsock.h @@ -38,6 +38,9 @@ #include <linux/virtio_ids.h> #include <linux/virtio_config.h> +/* The feature bitmap for virtio vsock */ +#define VIRTIO_VSOCK_F_SEQPACKET 0 /* SOCK_SEQPACKET supported */ + struct virtio_vsock_config { __le64 guest_cid; } __attribute__((packed)); -- 2.25.1