Commit cfdca390 authored by Arseniy Krasnov's avatar Arseniy Krasnov Committed by David S. Miller
Browse files

vsock/loopback: support MSG_ZEROCOPY for transport 



Add 'msgzerocopy_allow()' callback for loopback transport.

Signed-off-by: default avatarArseniy Krasnov <avkrasnov@salutedevices.com>
Reviewed-by: default avatarStefano Garzarella <sgarzare@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e2fcc326

net/vmw_vsock/vsock_loopback.c

+6 −0
Original line number Diff line number Diff line
@@ -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,