From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH][CIPSO]: Relax too much careful cipso hash function. Date: Tue, 13 May 2008 23:24:05 -0700 (PDT) Message-ID: <20080513.232405.32321998.davem@davemloft.net> References: <4829937D.9070409@openvz.org> <200805131434.44463.paul.moore@hp.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: xemul@openvz.org, netdev@vger.kernel.org To: paul.moore@hp.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:60291 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1758662AbYENGYK (ORCPT ); Wed, 14 May 2008 02:24:10 -0400 In-Reply-To: <200805131434.44463.paul.moore@hp.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Paul Moore Date: Tue, 13 May 2008 14:34:44 -0400 > On Tuesday 13 May 2008 9:11:25 am Pavel Emelyanov wrote: > > The cipso_v4_cache is allocated to contain CIPSO_V4_CACHE_BUCKETS > > buckets. The CIPSO_V4_CACHE_BUCKETS = 1 << CIPSO_V4_CACHE_BUCKETBITS, > > where CIPSO_V4_CACHE_BUCKETBITS = 7. > > > > The bucket-selection function for this hash is calculated like this: > > > > bkt = hash & (CIPSO_V4_CACHE_BUCKETBITS - 1); > > ^^^ > > > > i.e. picking only 4 buckets of possible 128 :) > > > > Signed-off-by: Pavel Emelyanov > > Thanks Pavel, braino on my part. > > Acked-by: Paul Moore Applied, thanks everyone.