From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 1/3] offloading: Make scatter/gather more tolerant of vlans. Date: Mon, 15 Nov 2010 09:23:37 -0800 (PST) Message-ID: <20101115.092337.115944173.davem@davemloft.net> References: <1288390495-28923-1-git-send-email-jesse@nicira.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, bhutchings@solarflare.com To: jesse@nicira.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:35779 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932303Ab0KORXN (ORCPT ); Mon, 15 Nov 2010 12:23:13 -0500 In-Reply-To: <1288390495-28923-1-git-send-email-jesse@nicira.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Jesse Gross Date: Fri, 29 Oct 2010 15:14:53 -0700 > When checking if it is necessary to linearize a packet, we currently > use vlan_features if the packet contains either an in-band or out- > of-band vlan tag. However, in-band tags aren't special in any way > for scatter/gather since they are part of the packet buffer and are > simply more data to DMA. Therefore, only use vlan_features for out- > of-band tags, which could potentially have some interaction with > scatter/gather. > > Signed-off-by: Jesse Gross Applied.