From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] net: more accurate network taps in transmit path Date: Wed, 19 Sep 2012 15:33:26 -0400 (EDT) Message-ID: <20120919.153326.1748109929856208648.davem@davemloft.net> References: <1348037089.26523.397.camel@edumazet-glaptop> <20120919.141637.531173978256020103.davem@davemloft.net> <1348078872.26523.1233.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jamie.gloudon@gmail.com, netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:56684 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751025Ab2ISTd2 (ORCPT ); Wed, 19 Sep 2012 15:33:28 -0400 In-Reply-To: <1348078872.26523.1233.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Wed, 19 Sep 2012 20:21:12 +0200 > On Wed, 2012-09-19 at 14:16 -0400, David Miller wrote: > >> Are you really sure that all the network tap implementations can >> handle software GSO segmented skbs using skb->next linkage? >> >> Because that is what they can potentially see after this change. > > I dont think so, because skb->next is NULL at the points I call the > network tap. > > Or did I miss something ? Indeed, you're right. I misread the control flow here. Applied, thanks a lot Eric.