From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: Daniel Borkmann <dborkman@redhat.com>, davem@davemloft.net
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH net-next] ipv6: mld: answer mldv2 queries with mldv1 reports in mldv1 fallback
Date: Sat, 20 Sep 2014 15:36:13 +0200 [thread overview]
Message-ID: <1411220173.3064805.169748713.764DF711@webmail.messagingengine.com> (raw)
In-Reply-To: <1411214635-14136-1-git-send-email-dborkman@redhat.com>
On Sat, Sep 20, 2014, at 14:03, Daniel Borkmann wrote:
> Since the mapping of MRC to MRD in exactly such cases can make use of
> the exponential algorithm from 5.1.3, we cannot [strictly speaking] be
> aware in MLDv1 of the encoding in MRC, it seems also not mentioned by
> the RFC. Since encodings are the same up to 32767, assume in such a
> situation this value as a hard upper limit we would clamp. We have asked
> one of the RFC authors on that regard, and he mentioned that there seem
> not to be any implementations that make use of that exponential algorithm
> on startup messages. In any case, this patch fixes this MLD
> interoperability issue.
>
> Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
next prev parent reply other threads:[~2014-09-20 13:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-20 12:03 [PATCH net-next] ipv6: mld: answer mldv2 queries with mldv1 reports in mldv1 fallback Daniel Borkmann
2014-09-20 13:36 ` Hannes Frederic Sowa [this message]
2014-09-22 20:23 ` David Miller
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