From 6e90a57795aa6ab2ab65fd6ac76ee0b245e5988a Mon Sep 17 00:00:00 2001
From: Arseny Krasnov <arseny.krasnov@kaspersky.com>
Date: Fri, 11 Jun 2021 14:13:50 +0300
Subject: [PATCH] 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>
---
net/vmw_vsock/vsock_loopback.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c
index a45f7ffca8c5..169a8cf65b39 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 +91,11 @@ 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 =