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References: <20200325055745.10710-1-joe@wand.net.nz> <20200325055745.10710-6-joe@wand.net.nz>
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From:   Joe Stringer <joe@wand.net.nz>
Date:   Wed, 25 Mar 2020 13:55:59 -0700
Message-ID: <CAOftzPiDk0C+fCo9L5CWPvVR3RRLeLykQSMKAO4mOc=n8UNYpA@mail.gmail.com>
Subject: Re: [PATCHv2 bpf-next 5/5] selftests: bpf: add test for sk_assign
To:     Lorenz Bauer <lmb@cloudflare.com>
Cc:     Joe Stringer <joe@wand.net.nz>, bpf <bpf@vger.kernel.org>,
        Networking <netdev@vger.kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Alexei Starovoitov <ast@kernel.org>,
        Eric Dumazet <eric.dumazet@gmail.com>,
        Martin Lau <kafai@fb.com>
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On Wed, Mar 25, 2020 at 3:35 AM Lorenz Bauer <lmb@cloudflare.com> wrote:
>
> On Wed, 25 Mar 2020 at 05:58, Joe Stringer <joe@wand.net.nz> wrote:
> >
> > From: Lorenz Bauer <lmb@cloudflare.com>
> >
> > Attach a tc direct-action classifier to lo in a fresh network
> > namespace, and rewrite all connection attempts to localhost:4321
> > to localhost:1234 (for port tests) and connections to unreachable
> > IPv4/IPv6 IPs to the local socket (for address tests).
>
> Can you extend this to cover UDP as well?

I'm working on a follow-up series for UDP, we need this too.