diff mbox series

[RFC,v4,10/17] vhost/vsock: support MSG_ZEROCOPY for transport

Message ID 20230603204939.1598818-11-AVKrasnov@sberdevices.ru
State New
Headers
Series vsock: MSG_ZEROCOPY flag support |

Commit Message

Arseniy Krasnov June 3, 2023, 8:49 p.m. UTC 
  Add 'msgzerocopy_allow()' callback for vhost transport.

Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
---
 drivers/vhost/vsock.c | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Stefano Garzarella June 26, 2023, 4:10 p.m. UTC | #1 
On Sat, Jun 03, 2023 at 11:49:32PM +0300, Arseniy Krasnov wrote:
>Add 'msgzerocopy_allow()' callback for vhost transport.
>
>Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
>---
> drivers/vhost/vsock.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
>diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
>index b254aa4b756a..318866713ef7 100644
>--- a/drivers/vhost/vsock.c
>+++ b/drivers/vhost/vsock.c
>@@ -396,6 +396,11 @@ static bool vhost_vsock_more_replies(struct vhost_vsock *vsock)
> 	return val < vq->num;
> }
>
>+static bool vhost_transport_msgzerocopy_allow(void)
>+{
>+	return true;
>+}
>+
> static bool vhost_transport_seqpacket_allow(u32 remote_cid);
>
> static struct virtio_transport vhost_transport = {
>@@ -442,6 +447,7 @@ static struct virtio_transport vhost_transport = {
> 		.notify_buffer_size       = virtio_transport_notify_buffer_size,
>
> 		.read_skb = virtio_transport_read_skb,
>+		.msgzerocopy_allow        = vhost_transport_msgzerocopy_allow,

Can we move this after .seqpacket section?

> 	},
>
> 	.send_pkt = vhost_transport_send_pkt,
>-- 
>2.25.1
>
diff mbox series

Patch

diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index b254aa4b756a..318866713ef7 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -396,6 +396,11 @@  static bool vhost_vsock_more_replies(struct vhost_vsock *vsock)
 	return val < vq->num;
 }
 
+static bool vhost_transport_msgzerocopy_allow(void)
+{
+	return true;
+}
+
 static bool vhost_transport_seqpacket_allow(u32 remote_cid);
 
 static struct virtio_transport vhost_transport = {
@@ -442,6 +447,7 @@  static struct virtio_transport vhost_transport = {
 		.notify_buffer_size       = virtio_transport_notify_buffer_size,
 
 		.read_skb = virtio_transport_read_skb,
+		.msgzerocopy_allow        = vhost_transport_msgzerocopy_allow,
 	},
 
 	.send_pkt = vhost_transport_send_pkt,