linux-kernel - Re: [PATCH v6 21/26] selftests: net/fcnal: Initial tcp

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Date:   Tue, 26 Jul 2022 09:06:52 +0200
From:   Eric Dumazet <edumazet@...gle.com>
To:     Leonard Crestez <cdleonard@...il.com>
Cc:     David Ahern <dsahern@...nel.org>, Philip Paeps <philip@...uble.is>,
        Dmitry Safonov <0x7f454c46@...il.com>,
        Shuah Khan <shuah@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Kuniyuki Iwashima <kuniyu@...zon.co.jp>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Yuchung Cheng <ycheng@...gle.com>,
        Francesco Ruggeri <fruggeri@...sta.com>,
        Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        Christoph Paasch <cpaasch@...le.com>,
        Ivan Delalande <colona@...sta.com>,
        Caowangbao <caowangbao@...wei.com>,
        Priyaranjan Jha <priyarjha@...gle.com>,
        netdev <netdev@...r.kernel.org>,
        "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" 
        <linux-crypto@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 21/26] selftests: net/fcnal: Initial tcp_authopt support

On Tue, Jul 26, 2022 at 8:16 AM Leonard Crestez <cdleonard@...il.com> wrote:
>
> Tests are mostly copied from tcp_md5 with minor changes.
>
> It covers VRF support but only based on binding multiple servers: not
> multiple keys bound to different interfaces.
>
> Also add a specific -t tcp_authopt to run only these tests specifically.
>

Thanks for the test.

Could you amend the existing TCP MD5 test to make sure dual sockets
mode is working ?

Apparently, if we have a dual stack listener socket (AF_INET6),
correct incoming IPV4 SYNs are dropped.

 If this is the case, fixing MD5 should happen first ;)

I think that we are very late in the cycle (linux-5.19 should be
released in 5 days), and your patch set should not be merged so late.

Thanks.

> Signed-off-by: Leonard Crestez <cdleonard@...il.com>
> ---
>