From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932107AbVH3MOb (ORCPT ); Tue, 30 Aug 2005 08:14:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751411AbVH3MOb (ORCPT ); Tue, 30 Aug 2005 08:14:31 -0400 Received: from zproxy.gmail.com ([64.233.162.192]:43769 "EHLO zproxy.gmail.com") by vger.kernel.org with ESMTP id S1751400AbVH3MOa convert rfc822-to-8bit (ORCPT ); Tue, 30 Aug 2005 08:14:30 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=MBV0I6u7AbUZoxfjXRZ25thka8gZz8B9EzLmeDO4M+khaYdpyXckJu2+UwbVDKidNTNP6cKIL/r/wXBbHAounMb6qns6+1TKz7y8rVxYqvxDm+begoVbty1dEFr6UwSafghJN6JFIgJRd1HReQ/xMx3GVyAmwaIDZPcovUbqllo= Message-ID: <9a8748490508300514414410b5@mail.gmail.com> Date: Tue, 30 Aug 2005 14:14:30 +0200 From: Jesper Juhl To: zhang yuanyi Subject: Re: What about adding range support for u32 classifier? Cc: Alexey Kuznetsov , linux-kernel@vger.kernel.org In-Reply-To: <21c563b6050829202372189527@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <21c563b6050829202372189527@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 8/30/05, zhang yuanyi wrote: > Hello, everyone! > > The "range support" may be puzzled, but I don't know how to express my > problem exactly because of my poor english. > > Just take an example, I may need all udp packets received on eth0 > which source port is greater than 53 going into flow 10:1, and I only > wanna to type one tc command like this(In fact, I communicated with > kernel directly): > > tc filter add dev eth0 parent ffff: protocol ip prio 20 \ > u32 match udp sport gt 53 0xffff \ > match ip protocol 17 0xff\ > flowid 10:1 > > But I found I can't, because u32 classifier doesn't support matching > multi-value in one key.So I need to add (65535-53) keys to a u32 > filter to implement this. > > I intend to solve this problem by modifying u32 filter to match > multi-value in one key, but I am worrying the preformance. > > Can someone give me some suggestions? > How is this a kernel problem? "tc" is a userspace app. I think you'd be better off talking to Alexey Kuznetsov (added to Cc), who wrote tc, about this. -- Jesper Juhl Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html Plain text mails only, please http://www.expita.com/nomime.html