On Mon, Jan 30, 2023 at 08:35:11PM -0800, Bobby Eshleman wrote: > Add support for sockmap to vsock. > > We're testing usage of vsock as a way to redirect guest-local UDS requests to > the host and this patch series greatly improves the performance of such a > setup. > > Compared to copying packets via userspace, this improves throughput by 121% in > basic testing. > > Tested as follows. > > Setup: guest unix dgram sender -> guest vsock redirector -> host vsock server > Threads: 1 > Payload: 64k > No sockmap: > - 76.3 MB/s > - The guest vsock redirector was > "socat VSOCK-CONNECT:2:1234 UNIX-RECV:/path/to/sock" > Using sockmap (this patch): > - 168.8 MB/s (+121%) > - The guest redirector was a simple sockmap echo server, > redirecting unix ingress to vsock 2:1234 egress. > - Same sender and server programs > > *Note: these numbers are from RFC v1 > > Only the virtio transport has been tested. The loopback transport was used in > writing bpf/selftests, but not thoroughly tested otherwise. > > This series requires the skb patch. > Looks good to me. Definitely good to go as non-RFC. Thanks.
