From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Borkmann Subject: Re: [PATCH net-next v2] pktgen: Fix position of ip and udp header Date: Tue, 04 Jun 2013 00:03:00 +0200 Message-ID: <51AD1294.8090604@redhat.com> References: <08fe3153790311fbd98b1570a3e8134ddaac58a3.1370296008.git.tgraf@suug.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: davem@davemloft.net, netdev@vger.kernel.org, Simon Horman , Daniel Borkmann To: Thomas Graf Return-path: Received: from mx1.redhat.com ([209.132.183.28]:15805 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752412Ab3FCWDj (ORCPT ); Mon, 3 Jun 2013 18:03:39 -0400 In-Reply-To: <08fe3153790311fbd98b1570a3e8134ddaac58a3.1370296008.git.tgraf@suug.ch> Sender: netdev-owner@vger.kernel.org List-ID: On 06/03/2013 11:49 PM, Thomas Graf wrote: > skb_set_network_header() expects an offset based on the data pointer > whereas skb_tail_offset() also includes the headroom. This resulted > in the ip header being written in a wrong location. > > Use return values of skb_put() directly and rely on skb->len to > set mac, network, and transport header. > > Cc: Simon Horman > Cc: Daniel Borkmann > Assisted-by: Daniel Borkmann > Signed-off-by: Thomas Graf Thanks ! Acked-by: Daniel Borkmann