[RFC PATCH v7 16/22] virtio/vsock: setup SEQPACKET ops for transport

Arseny Krasnov
2021-03-23T13:15:02Z

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

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
---
net/vmw_vsock/virtio_transport.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 2700a63ab095..83ae2078c847 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -443,6 +443,8 @@ static void virtio_vsock_rx_done(struct virtqueue *vq)
queue_work(virtio_vsock_workqueue, &vsock->rx_work);
}

+static bool virtio_transport_seqpacket_allow(void);
+
static struct virtio_transport virtio_transport = {
.transport = {
.module = THIS_MODULE,
@@ -469,6 +471,10 @@ static struct virtio_transport virtio_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 = virtio_transport_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,
@@ -483,8 +489,14 @@ static struct virtio_transport virtio_transport = {
},

.send_pkt = virtio_transport_send_pkt,
+ .seqpacket_allow = false
};

+static bool virtio_transport_seqpacket_allow(void)
+{
+ return virtio_transport.seqpacket_allow;
+}
+
static void virtio_transport_rx_work(struct work_struct *work)
{
struct virtio_vsock *vsock =
--
2.25.1