vsock/loopback: enable SEQPACKET for transport

Add SEQPACKET ops for loopback transport and 'seqpacket_allow()'
callback.

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c
index a45f7ff..169a8cf 100644 (file)
--- a/net/vmw_vsock/vsock_loopback.c
+++ b/net/vmw_vsock/vsock_loopback.c
@@ -63,6 +63,8 @@ static int vsock_loopback_cancel_pkt(struct vsock_sock *vsk)
        return 0;
 }
 
+static bool vsock_loopback_seqpacket_allow(u32 remote_cid);
+
 static struct virtio_transport loopback_transport = {
        .transport = {
                .module                   = THIS_MODULE,
@@ -89,6 +91,11 @@ static struct virtio_transport loopback_transport = {
                .stream_is_active         = virtio_transport_stream_is_active,
                .stream_allow             = virtio_transport_stream_allow,
 
+               .seqpacket_dequeue        = virtio_transport_seqpacket_dequeue,
+               .seqpacket_enqueue        = virtio_transport_seqpacket_enqueue,
+               .seqpacket_allow          = vsock_loopback_seqpacket_allow,
+               .seqpacket_has_data       = virtio_transport_seqpacket_has_data,
+
                .notify_poll_in           = virtio_transport_notify_poll_in,
                .notify_poll_out          = virtio_transport_notify_poll_out,
                .notify_recv_init         = virtio_transport_notify_recv_init,
@@ -105,6 +112,11 @@ static struct virtio_transport loopback_transport = {
        .send_pkt = vsock_loopback_send_pkt,
 };
 
+static bool vsock_loopback_seqpacket_allow(u32 remote_cid)
+{
+       return true;
+}
+
 static void vsock_loopback_work(struct work_struct *work)
 {
        struct vsock_loopback *vsock =