[RFC,v9,16/19] vsock/loopback: enable SEQPACKET for transport

Message ID 20210508163649.3432615-1-arseny.krasnov@kaspersky.com
State Superseded
Headers show
Series
  • virtio/vsock: introduce SOCK_SEQPACKET support
Related show

Commit Message

Arseny Krasnov May 8, 2021, 4:36 p.m.
This adds SEQPACKET ops for loopback transport and 'seqpacket_allow()'
callback.

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
---
 v8 -> v9:
 1) 'vsock_loopback_seqpacket_allow()' always returns true.

 net/vmw_vsock/vsock_loopback.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

Patch

diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c
index a45f7ffca8c5..809f807d0710 100644
--- 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 +91,10 @@  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,
+
 		.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 +111,11 @@  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 =