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Message-ID: <787cee22-43b7-82d9-1273-27a2d5544282@sberdevices.ru>
Date: Mon, 6 Feb 2023 07:02:41 +0000
From: Arseniy Krasnov <AVKrasnov@...rdevices.ru>
To: Stefan Hajnoczi <stefanha@...hat.com>,
Stefano Garzarella <sgarzare@...hat.com>,
"Michael S. Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Arseniy Krasnov <AVKrasnov@...rdevices.ru>,
"Krasnov Arseniy" <oxffffaa@...il.com>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
"virtualization@...ts.linux-foundation.org"
<virtualization@...ts.linux-foundation.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
kernel <kernel@...rdevices.ru>
Subject: [RFC PATCH v1 09/12] vsock/virtio: support MSG_ZEROCOPY for transport
Signed-off-by: Arseniy Krasnov <AVKrasnov@...rdevices.ru>
---
net/vmw_vsock/virtio_transport.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index b8a7d6dc9f46..4c5f19015df7 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -432,6 +432,11 @@ 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 = {
@@ -476,6 +481,8 @@ static struct virtio_transport virtio_transport = {
.notify_send_pre_enqueue = virtio_transport_notify_send_pre_enqueue,
.notify_send_post_enqueue = virtio_transport_notify_send_post_enqueue,
.notify_buffer_size = virtio_transport_notify_buffer_size,
+
+ .msgzerocopy_allow = virtio_transport_msgzerocopy_allow,
},
.send_pkt = virtio_transport_send_pkt,
--
2.25.1
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