From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] net: tso: fix unaligned access to crafted TCP header in helper API Date: Wed, 22 Oct 2014 12:53:08 -0400 (EDT) Message-ID: <20141022.125308.822219038497859438.davem@davemloft.net> References: <1413900365-12289-1-git-send-email-karl.beldan@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, karl.beldan@rivierawaves.com, ezequiel.garcia@free-electrons.com To: karl.beldan@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:59507 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752541AbaJVQxK (ORCPT ); Wed, 22 Oct 2014 12:53:10 -0400 In-Reply-To: <1413900365-12289-1-git-send-email-karl.beldan@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Karl Beldan Date: Tue, 21 Oct 2014 16:06:05 +0200 > From: Karl Beldan > > The crafted header start address is from a driver supplied buffer, which > one can reasonably expect to be aligned on a 4-bytes boundary. > However ATM the TSO helper API is only used by ethernet drivers and > the tcp header will then be aligned to a 2-bytes only boundary from the > header start address. > > Signed-off-by: Karl Beldan Applied, thank you.