Stefano Garzarella
2023-Jun-26 16:10 UTC
[RFC PATCH v4 10/17] vhost/vsock: support MSG_ZEROCOPY for transport
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 at 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 >