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SubjectRe: [PATCH RFC net-next v2 0/3] vsock: add support for sockmap
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.

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