Stefano Garzarella
2023-Jul-06 16:56 UTC
[RFC PATCH v5 12/17] vsock/loopback: support MSG_ZEROCOPY for transport
On Sat, Jul 01, 2023 at 09:39:42AM +0300, Arseniy Krasnov wrote:>Add 'msgzerocopy_allow()' callback for loopback transport. > >Signed-off-by: Arseniy Krasnov <AVKrasnov at sberdevices.ru> >--- > Changelog: > v4 -> v5: > * Move 'msgzerocopy_allow' right after seqpacket callbacks. > * Don't use prototype for 'vsock_loopback_msgzerocopy_allow()'. > > net/vmw_vsock/vsock_loopback.c | 6 ++++++ > 1 file changed, 6 insertions(+)Reviewed-by: Stefano Garzarella <sgarzare at redhat.com>> >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, >-- >2.25.1 >