netdev - Re: [PATCH] netfilter: unfold two critical loops in ip_packet

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Date:	Wed, 18 Feb 2009 16:10:55 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Patrick McHardy <kaber@...sh.net>
CC:	Andi Kleen <andi@...stfloor.org>,
	"David S. Miller" <davem@...emloft.net>,
	Netfilter Developers <netfilter-devel@...r.kernel.org>,
	Linux Network Development list <netdev@...r.kernel.org>
Subject: Re: [PATCH] netfilter: unfold two critical loops in ip_packet_match()

Patrick McHardy a écrit :
> 
> The interface name matching has shown up in profiles forever
> though and we've actually already tried to optimize it IIRC.
> 
> Eric, I'm trying to keep all the *tables files synchronized,
> could you send me a patch updating the other ones as well
> please?

While doing this, I found arp_tables is still using loop using
byte operations.

Also, I could not find how iniface_mask[], outiface_mask[], iniface[]
and outiface[] were forced to long word alignment ... 

(in struct ipt_ip, struct ip6t_ip6, struct arpt_arp)


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