Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753692AbaA0M7J (ORCPT ); Mon, 27 Jan 2014 07:59:09 -0500 Received: from mail-bk0-f43.google.com ([209.85.214.43]:50792 "EHLO mail-bk0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751431AbaA0M7H (ORCPT ); Mon, 27 Jan 2014 07:59:07 -0500 Message-ID: <52E65817.1090904@6wind.com> Date: Mon, 27 Jan 2014 13:59:03 +0100 From: Nicolas Dichtel Reply-To: nicolas.dichtel@6wind.com Organization: 6WIND User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: zhuyj , "David S. Miller" , netdev@vger.kernel.org, kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net, linux-kernel@vger.kernel.org Subject: Re: How to identify 6to4 and 6in4 tunnels References: <52E63779.5090101@gmail.com> In-Reply-To: <52E63779.5090101@gmail.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le 27/01/2014 11:39, zhuyj a ?crit : > Hi, Maintainers > > In our scene, we will create the 6in4/6to4 tunnel firstly and need to check the > tunnel type, secondly, we will configure the ip address on it. So, Could we have > any way to get the actual tunnel for 6in4 and 6to4 from current linux version? > > Both 6in4 and 6to4 have the same protocol ?IPPROTO_IPV6? in Linux kernel. The > only difference is the ip address on the tunnel. Can we distinguish them in > Linux kernel? Just check the prefix, like it is done in check_6rd(). Regards, Nicolas -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/