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From: Patrick McHardy <kaber@trash.net>
To: Philip Craig <philipc@snapgear.com>
Cc: netfilter-devel@lists.netfilter.org,
	Yasuyuki KOZAKAI <yasuyuki.kozakai@toshiba.co.jp>
Subject: Re: [RFC][PATCH] optimise iptables interface matching
Date: Sat, 26 May 2007 11:20:20 +0200	[thread overview]
Message-ID: <4657FBD4.80506@trash.net> (raw)
In-Reply-To: <4656342A.5040202@snapgear.com>

Philip Craig wrote:
> Yasuyuki KOZAKAI wrote:
> 
>>Actually, we cannot add a new flag to 'struct ipt_ip'. It does not have
>>revision field. Unfortunately it has no field such as name[] in
>>'struct xt_entry_match' to steal one octet for revision.
> 
> 
> If we can never add new flags, then that would be a reason for me to
> not bother with clearing the internal bits before sending to userspace.


We can add flags for new features, but not flags that are required to
be set to behave compatible since that would break iptables userspace
for old kernels.

  parent reply	other threads:[~2007-05-26  9:20 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-24  5:55 [RFC][PATCH] optimise iptables interface matching Philip Craig
2007-05-24 17:43 ` Patrick McHardy
2007-05-24 23:07   ` Philip Craig
2007-05-26  8:47     ` Patrick McHardy
2007-05-25  0:44 ` Yasuyuki KOZAKAI
2007-05-25  0:56   ` Philip Craig
2007-05-25  4:11     ` Yasuyuki KOZAKAI
2007-05-26  9:20     ` Patrick McHardy [this message]
2007-05-28 19:53       ` Henrik Nordstrom
2007-05-29  0:24         ` Philip Craig
2007-05-30  1:34           ` Henrik Nordstrom
2007-06-06  5:49             ` Philip Craig
2007-06-06  6:13               ` Eric Dumazet
2007-05-29  9:54         ` Patrick McHardy

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