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Re: Adding of destination options in IPv6

To: netdev@xxxxxxxxxxx
Subject: Re: Adding of destination options in IPv6
From: Stefan Schlott <stefan.schlott@xxxxxxxxxxxxxxxxxx>
Date: Tue, 11 Jul 2000 13:06:17 +0200
References: <200007071235.QAA02612@xxxxxxxxxxxxx> <Pine.SOL.4.10.10007101628230.10709-100000@xxxxxxxxxxxxxxxxxxx> <20000710174922.57526@xxxxxxxxxxxx> <20000710225047.A838@xxxxxxxxxxxxxxxxxxxxxxxxxxx> <20000711124233.A924@xxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx
Andi Kleen wrote:

> > Please tell me that I am wrong, but afaik the netfilter hooks only return
> > fragmented packets (nf6 hooks are called after fragmentation when sending,
> > and before defragmentation when receiving a packet).
> Correct, it occurs after fragmentation.
*sigh* which is why Lars (and me, too) had to modify the ipv6 module.
Passing unfragmented packets to nf6 would be really hard to implement
(as far as I understand the code)... but it would be really nice
to have an interface which can modify whole packets when sending
and receiving; the same thing for forwarding would result in an "always
defragment" option, which would be somewhat "un-ip6-ish" :-)


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