Re: [PATCH v6 00/11] net/rtap: add io_uring based TAP driver

Stephen Hemminger
2026-02-15T17:08:17Z

On Sun, 15 Feb 2026 08:58:14 +0000
Konstantin Ananyev <konstantin.ananyev@huawei.com> wrote:

> >
> > This driver started as an experiment to determine whether Linux
> > io_uring could deliver better packet I/O performance than the
> > traditional read()/write() system calls used by net_tap. By posting
> > batches of I/O requests asynchronously, io_uring amortizes system
> > call overhead across multiple packets.
>
> Sounds interesting...
> Curious did you make any perf comparisons vs our traditional tap?

That is next step. Trying to get a testbed that is realistic setup.