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From: Patrick McHardy <kaber@trash.net>
To: Thomas Graf <tgraf@suug.ch>
Cc: Netfilter Development Mailinglist
	<netfilter-devel@lists.netfilter.org>,
	Pablo Neira Ayuso <pablo@netfilter.org>
Subject: Re: NFNL_NFA_NEST
Date: Sat, 24 Mar 2007 15:37:32 +0100	[thread overview]
Message-ID: <460537AC.4000509@trash.net> (raw)
In-Reply-To: <46050BD4.7080109@netfilter.org>

Pablo Neira Ayuso wrote:
> Alternatively, we could add support for the nest bit in the receive side
> of genetlink and OR the nest bit in nfnetlink for messages sent to
> userspace.


Well, fine if Thomas doesn't mind.

> Thomas, do you have any suggestion on where to go?


Some context: removal of all the duplicated nfnetlink code is currently
hindered by the NFNL_NFA_NEST bit, which is the highest bit of nfa_type
and is set on nested attributes to allow walking nested attributes
without knowledge of their structure (for endian-conversion). To use
the generic code we need to either stop sending it from userspace (and
wait quite a while because of old libnfnetlink releases) or make the
generic code ignore it.

Your choice :)

      reply	other threads:[~2007-03-24 14:37 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-21  5:08 NFNL_NFA_NEST Patrick McHardy
2007-03-21 10:04 ` NFNL_NFA_NEST Jozsef Kadlecsik
2007-03-21 10:13   ` NFNL_NFA_NEST Patrick McHardy
2007-03-21 10:39     ` NFNL_NFA_NEST Jozsef Kadlecsik
2007-03-21 22:54 ` NFNL_NFA_NEST Pablo Neira Ayuso
2007-03-22 11:00   ` NFNL_NFA_NEST Patrick McHardy
2007-03-22 13:18     ` NFNL_NFA_NEST Pablo Neira Ayuso
2007-03-22 13:29       ` NFNL_NFA_NEST Patrick McHardy
2007-03-22 16:44         ` NFNL_NFA_NEST Pablo Neira Ayuso
2007-03-22 17:01           ` NFNL_NFA_NEST Patrick McHardy
2007-03-23 12:18             ` NFNL_NFA_NEST Pablo Neira Ayuso
2007-03-23 12:55               ` NFNL_NFA_NEST Pablo Neira Ayuso
2007-03-23 13:01                 ` NFNL_NFA_NEST Patrick McHardy
2007-03-23 13:00               ` NFNL_NFA_NEST Patrick McHardy
2007-03-23 17:37                 ` NFNL_NFA_NEST Pablo Neira Ayuso
2007-03-24 10:49                   ` NFNL_NFA_NEST Patrick McHardy
2007-03-24 11:30                     ` NFNL_NFA_NEST Pablo Neira Ayuso
2007-03-24 14:37                       ` Patrick McHardy [this message]

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