diff mbox series

[net-next,v3,07/12] vsock/loopback: support MSG_ZEROCOPY for transport

Message ID 20231007172139.1338644-8-avkrasnov@salutedevices.com (mailing list archive)
State New, archived
Headers show
Series vsock/virtio: continue MSG_ZEROCOPY support | expand

Commit Message

Arseniy Krasnov Oct. 7, 2023, 5:21 p.m. UTC 
Add 'msgzerocopy_allow()' callback for loopback transport.

Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
---
 net/vmw_vsock/vsock_loopback.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c
index 5c6360df1f31..048640167411 100644
--- a/net/vmw_vsock/vsock_loopback.c
+++ b/net/vmw_vsock/vsock_loopback.c
@@ -47,6 +47,10 @@  static int vsock_loopback_cancel_pkt(struct vsock_sock *vsk)
 }
 
 static bool vsock_loopback_seqpacket_allow(u32 remote_cid);
+static bool vsock_loopback_msgzerocopy_allow(void)
+{
+	return true;
+}
 
 static struct virtio_transport loopback_transport = {
 	.transport = {
@@ -79,6 +83,8 @@  static struct virtio_transport loopback_transport = {
 		.seqpacket_allow          = vsock_loopback_seqpacket_allow,
 		.seqpacket_has_data       = virtio_transport_seqpacket_has_data,
 
+		.msgzerocopy_allow        = vsock_loopback_msgzerocopy_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,