From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [net-next-2.6 PATCH v2] net: consolidate netif_needs_gso() checks Date: Sun, 28 Feb 2010 00:29:42 -0800 (PST) Message-ID: <20100228.002942.28812162.davem@davemloft.net> References: <20100227155245.GB3176@gondor.apana.org.au> <20100227.081709.10203578.davem@davemloft.net> <20100228002953.GA6189@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jeffrey.t.kirsher@intel.com, netdev@vger.kernel.org, gospo@redhat.com, john.r.fastabend@intel.com To: herbert@gondor.apana.org.au Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:33178 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031531Ab0B1I3Y (ORCPT ); Sun, 28 Feb 2010 03:29:24 -0500 In-Reply-To: <20100228002953.GA6189@gondor.apana.org.au> Sender: netdev-owner@vger.kernel.org List-ID: From: Herbert Xu Date: Sun, 28 Feb 2010 08:29:53 +0800 > On Sat, Feb 27, 2010 at 08:17:09AM -0800, David Miller wrote: >> From: Herbert Xu >> Date: Sat, 27 Feb 2010 23:52:45 +0800 >> >> > I just did a grep on net/sched and couldn't see anything obvious >> > that uses transport_header. >> >> I think skb_checksum_help() would be such a use and I >> see a reference in net/sched/sch_netem.c > > AFAICS skb_checksum_help uses csum_start and not transport_header. > Has this changed recently? > > Once upon a time some drivers used transport_header instead of > csum_start, but even those seem to be gone mostly so one day we > could remove this setting completely. Ok, then this clears up all of my concerns. Thanks Herbert.