diff mbox series

[RFC,v2,10/15] vsock/virtio: support MSG_ZEROCOPY for transport

Message ID 20230423192643.1537470-11-AVKrasnov@sberdevices.ru (mailing list archive)
State New, archived
Headers show
Series vsock: MSG_ZEROCOPY flag support | expand

Commit Message

Arseniy Krasnov April 23, 2023, 7:26 p.m. UTC 
Add 'msgzerocopy_allow()' callback for virtio transport.

Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
---
 net/vmw_vsock/virtio_transport.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 1c269c3f010d..ca12db84e053 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -433,6 +433,11 @@  static void virtio_vsock_rx_done(struct virtqueue *vq)
 	queue_work(virtio_vsock_workqueue, &vsock->rx_work);
 }
 
+static bool virtio_transport_msgzerocopy_allow(void)
+{
+	return true;
+}
+
 static bool virtio_transport_seqpacket_allow(u32 remote_cid);
 
 static struct virtio_transport virtio_transport = {
@@ -479,6 +484,8 @@  static struct virtio_transport virtio_transport = {
 		.notify_buffer_size       = virtio_transport_notify_buffer_size,
 
 		.read_skb = virtio_transport_read_skb,
+
+		.msgzerocopy_allow        = virtio_transport_msgzerocopy_allow,
 	},
 
 	.send_pkt = virtio_transport_send_pkt,