Thread (37 messages) 37 messages, 4 authors, 2021-06-21

[PATCH v11 16/18] vsock/loopback: enable SEQPACKET for transport

STALE1931d

From: Arseny Krasnov <hidden>
Date: 2021-06-11 11:14:39
Also in: kvm, lkml
Subsystem: networking [general], the rest, vm sockets (af_vsock) · Maintainers: "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Stefano Garzarella

Revision v11 of 8 in this series.

Revisions (8)
  1. v4 [diff vs current]
  2. v5 [diff vs current]
  3. v6 [diff vs current]
  4. v7 [diff vs current]
  5. v8 [diff vs current]
  6. v9 [diff vs current]
  7. v10 [diff vs current]
  8. v11 current
Add SEQPACKET ops for loopback transport and 'seqpacket_allow()'
callback.

Signed-off-by: Arseny Krasnov <redacted>
---
 v10 -> v11:
 1) 'seqpacket_has_data()' callback set.
 2) Reviewed-By removed.

 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 =
-- 
2.25.1
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