Commit e2fcc326 authored by Arseniy Krasnov's avatar Arseniy Krasnov Committed by David S. Miller
Browse files

vsock/virtio: support MSG_ZEROCOPY for transport 



Add 'msgzerocopy_allow()' callback for virtio 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 3719c48d

net/vmw_vsock/virtio_transport.c

+7 −0
Original line number Diff line number Diff line
@@ -486,6 +486,11 @@ static bool virtio_transport_can_msgzerocopy(int bufs_num) 
	return res;

}



static bool virtio_transport_msgzerocopy_allow(void)

{

	return true;

}



static bool virtio_transport_seqpacket_allow(u32 remote_cid);



static struct virtio_transport virtio_transport = {
@@ -519,6 +524,8 @@ static struct virtio_transport virtio_transport = { 
		.seqpacket_allow          = virtio_transport_seqpacket_allow,

		.seqpacket_has_data       = virtio_transport_seqpacket_has_data,



		.msgzerocopy_allow        = virtio_transport_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,