netdev - Re: [PATCH net-next-2.6] ipv4: more compliant RFC 3168 support

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Message-ID: <1305566204.2898.49.camel@edumazet-laptop>
Date:	Mon, 16 May 2011 19:16:44 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Stefanos Harhalakis <v13@....gr>
Cc:	David Miller <davem@...emloft.net>, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next-2.6] ipv4: more compliant RFC 3168 support

Le dimanche 15 mai 2011 à 18:01 +0200, Eric Dumazet a écrit :

> Problem of this version is that common frames in the Internet (NOT_ECT
> or ECT_X or ECT_X) will take the longest path to come to "return 0;"
> 
> a switch() version is fast because gcc emits a table based jump

Oh well, a table lookup is even faster...

I'll submit another version


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