netdev - Re: [PATCH net-next V4] ipv6: ICMPV6: add response to ICMPV6 RFC 8335 PROBE messages

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Message-ID: <CA+FuTSeirEnkOuPwsD2CH9TX5=rppNF8k9ZhBdFdSS9rn+CjbQ@mail.gmail.com>
Date:   Sat, 26 Jun 2021 11:44:03 -0400
From:   Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:     Andreas Roeseler <andreas.a.roeseler@...il.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net,
        yoshfuji@...ux-ipv6.org, dsahern@...nel.org, kuba@...nel.org,
        willemdebruijn.kernel@...il.com
Subject: Re: [PATCH net-next V4] ipv6: ICMPV6: add response to ICMPV6 RFC 8335
 PROBE messages

On Sat, Jun 26, 2021 at 10:08 AM Andreas Roeseler
<andreas.a.roeseler@...il.com> wrote:
>
> This patch builds off of commit 2b246b2569cd2ac6ff700d0dce56b8bae29b1842
> and adds functionality to respond to ICMPV6 PROBE requests.
>
> Add icmp_build_probe function to construct PROBE requests for both
> ICMPV4 and ICMPV6.
>
> Modify icmpv6_rcv to detect ICMPV6 PROBE messages and call the
> icmpv6_echo_reply handler.
>
> Modify icmpv6_echo_reply to build a PROBE response message based on the
> queried interface.
>
> This patch has been tested using a branch of the iputils git repo which can
> be found here: https://github.com/Juniper-Clinic-2020/iputils/tree/probe-request
>
> Signed-off-by: Andreas Roeseler <andreas.a.roeseler@...il.com>

Reviewed-by: Willem de Bruijn <willemb@...gle.com>