diff mbox series

[RFC,v5,12/17] vsock/loopback: support MSG_ZEROCOPY for transport

Message ID 20230701063947.3422088-13-AVKrasnov@sberdevices.ru
State New
Headers
Series vsock: MSG_ZEROCOPY flag support |

Commit Message

Arseniy Krasnov July 1, 2023, 6:39 a.m. UTC 
  Add 'msgzerocopy_allow()' callback for loopback transport.

Signed-off-by: Arseniy Krasnov <AVKrasnov@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(+)

Comments

Stefano Garzarella July 6, 2023, 4:56 p.m. UTC | #1 
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@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@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
>
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,