[RFC PATCH v7 18/22] vsock/loopback: setup SEQPACKET ops for transport

Arseny Krasnov
2021-03-23T13:15:30Z

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

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
---
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..d38ffdbecc84 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(void);
+
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,
@@ -103,8 +109,14 @@ static struct virtio_transport loopback_transport = {
},

.send_pkt = vsock_loopback_send_pkt,
+ .seqpacket_allow = true
};

+static bool vsock_loopback_seqpacket_allow(void)
+{
+ return loopback_transport.seqpacket_allow;
+}
+
static void vsock_loopback_work(struct work_struct *work)
{
struct vsock_loopback *vsock =
--
2.25.1