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[RFC,net-next,v5,12/14] vsock/loopback: implement datagram support

Message ID 20230413-b4-vsock-dgram-v5-12-581bd37fdb26@bytedance.com
State New
Headers
Series virtio/vsock: support datagrams |

Commit Message

Bobby Eshleman July 19, 2023, 12:50 a.m. UTC 
  This commit implements datagram support for vsock loopback.

Not much more than simply toggling on "dgram_allow" and continuing to
use the common virtio functions.

Signed-off-by: Bobby Eshleman <bobby.eshleman@bytedance.com>
---
 net/vmw_vsock/vsock_loopback.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
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Patch

diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c
index 278235ea06c4..0459b2bf7b15 100644
--- a/net/vmw_vsock/vsock_loopback.c
+++ b/net/vmw_vsock/vsock_loopback.c
@@ -46,6 +46,7 @@  static int vsock_loopback_cancel_pkt(struct vsock_sock *vsk)
 	return 0;
 }
 
+static bool vsock_loopback_dgram_allow(u32 cid, u32 port);
 static bool vsock_loopback_seqpacket_allow(u32 remote_cid);
 
 static struct virtio_transport loopback_transport = {
@@ -62,7 +63,7 @@  static struct virtio_transport loopback_transport = {
 		.cancel_pkt               = vsock_loopback_cancel_pkt,
 
 		.dgram_enqueue            = virtio_transport_dgram_enqueue,
-		.dgram_allow              = virtio_transport_dgram_allow,
+		.dgram_allow              = vsock_loopback_dgram_allow,
 
 		.stream_dequeue           = virtio_transport_stream_dequeue,
 		.stream_enqueue           = virtio_transport_stream_enqueue,
@@ -95,6 +96,11 @@  static struct virtio_transport loopback_transport = {
 	.send_pkt = vsock_loopback_send_pkt,
 };
 
+static bool vsock_loopback_dgram_allow(u32 cid, u32 port)
+{
+	return true;
+}
+
 static bool vsock_loopback_seqpacket_allow(u32 remote_cid)
 {
 	return true;