On Sat, Jul 01, 2023 at 09:39:41AM +0300, Arseniy Krasnov wrote:
Add 'msgzerocopy_allow()' callback for virtio transport.

Signed-off-by: Arseniy Krasnov <[email protected]>
---
Changelog:
v4 -> v5:
 * Move 'msgzerocopy_allow' right after seqpacket callbacks.

net/vmw_vsock/virtio_transport.c | 7 +++++++
1 file changed, 7 insertions(+)

Reviewed-by: Stefano Garzarella <[email protected]>


diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 6cbb45bb12d2..8d3e9f441fa1 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -441,6 +441,11 @@ 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 = {
@@ -474,6 +479,8 @@ static struct virtio_transport virtio_transport = {
                .seqpacket_allow          = virtio_transport_seqpacket_allow,
                .seqpacket_has_data       = virtio_transport_seqpacket_has_data,

+               .msgzerocopy_allow        = virtio_transport_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


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