netdev - Re: [PATCH v2 net] ipv6: tcp: drop silly ICMPv6 packet too big messages

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Message-ID: <CANn89iJTXXREs5qpvHDzb0KK1_eUD7yAyrtX2PYLJjCEcCUc7w@mail.gmail.com>
Date:   Thu, 8 Jul 2021 09:13:36 +0200
From:   Eric Dumazet <edumazet@...gle.com>
To:     Maciej Żenczykowski <maze@...gle.com>
Cc:     Eric Dumazet <eric.dumazet@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        netdev <netdev@...r.kernel.org>, Martin KaFai Lau <kafai@...com>
Subject: Re: [PATCH v2 net] ipv6: tcp: drop silly ICMPv6 packet too big messages

On Thu, Jul 8, 2021 at 8:56 AM Maciej Żenczykowski <maze@...gle.com> wrote:
>
> On Wed, Jul 7, 2021 at 11:50 PM Eric Dumazet <eric.dumazet@...il.com> wrote:

>
> (this looks fine)
>
> btw. is there a need/desire for a similar change for ipv4?

My understanding is that in IPv4, the relevant check is done before
the FIB lookup, we should be fine.