Re: [RFC PATCH v5 11/17] vsock/virtio: support MSG_ZEROCOPY for transport
From: Stefano Garzarella <sgarzare@redhat.com>
Date: 2023-07-06 16:56:51
Also in:
kvm, lkml, virtualization
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 <redacted> --- 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 <sgarzare@redhat.com>
quoted hunk ↗ jump to hunk
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