From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2D84C1975A for ; Thu, 12 Mar 2020 10:00:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9AB80206F1 for ; Thu, 12 Mar 2020 10:00:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gssi.it header.i=@gssi.it header.b="LdmIYf3A" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726695AbgCLKA6 (ORCPT ); Thu, 12 Mar 2020 06:00:58 -0400 Received: from mail-wm1-f50.google.com ([209.85.128.50]:51349 "EHLO mail-wm1-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725978AbgCLKA6 (ORCPT ); Thu, 12 Mar 2020 06:00:58 -0400 Received: by mail-wm1-f50.google.com with SMTP id a132so5372102wme.1 for ; Thu, 12 Mar 2020 03:00:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gssi.it; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=T0cHVlh0IotE0wQx3kxPQ2qR9ahWTST/WVB/i9Hm1yI=; b=LdmIYf3A52Uh+odbZvOG9MlZ4esDXhA0ZFK2tFTgPTyzQJMxLOVT3VVF/MIUs41dg+ bvP/ve4tOJhTqyJemQowyP0pVOPYVk/wQ3uZ/LvKANTl8Ei0Z1B6W1YT3t0OG0WvApcn alpKXP2Wn4g48HM+SVbc07nrMN0YUFrVa/cx4JhDFZPT4WCaQvS+JiqVUtPScOTPVoPK VTRq+atiTMBOME2eJGeh3UKQ9i2CVgZ/vAkAFqUVtvShu4Nm1/sfqSYH6HNSB6XKccEe JPzOtM3xMkIiC7Rn/HWNb5I8fN/Xqtg8e01B8VzKsXDs1u1NYYC84OdTRmAO87Q3HM/B jnww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=T0cHVlh0IotE0wQx3kxPQ2qR9ahWTST/WVB/i9Hm1yI=; b=udwUemxZIYVBEbjaVGoWoBCpnhEnBq6fUGBq39nsHNuimkQ+6QXOt1DIJYLLxckL3u +X9D+2URk9WtfZTMm8H4AquB/qQI7vK9KPenrwPFL7ulFT+rbEfLwW8BGFP+FHEptN0Z h+7QFyzIkwaiiON4R2AEnxCXQ2Zq4vYQJ66xViG1ODc7x3F3W4jy8AAyoT/namH48lL1 JcvlYLzcRw55iCV2LEIy0VSuXJ/5+dU1lmT43Kzk/lJqBdcMOwX5TKnBK2oSSVSWjPC7 1tTdh6L/J6nOKejYWCQwDRj+DOePtKL8BQjInZOw+JzR6+LF8xEVRusNpZhJMrqrGOQz SKtg== X-Gm-Message-State: ANhLgQ3obDMwyRjRxR9IeKUL1Ut39m77DLpJNdu41f9x07aio4WNCyQj 4PbaqSouae3w1IwPUR4WqivGPQ== X-Google-Smtp-Source: ADFU+vs1qTTVdmaCl/G4tsIpDvgdWvB+wR4+bttsjzxd5O2Evhb5BhnA0pqT0cdgu6TofEyIERZV8A== X-Received: by 2002:a05:600c:21d1:: with SMTP id x17mr641793wmj.94.1584007256206; Thu, 12 Mar 2020 03:00:56 -0700 (PDT) Received: from [10.55.3.148] ([173.38.220.54]) by smtp.gmail.com with ESMTPSA id 9sm11812756wmo.38.2020.03.12.03.00.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Mar 2020 03:00:55 -0700 (PDT) Subject: Re: [net] seg6: fix SRv6 L2 tunnels to use IANA-assigned protocol number To: David Miller , paolo.lungaroni@cnit.it Cc: kuba@kernel.org, kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, andrea.mayer@uniroma2.it References: <20200311165406.22044-1-paolo.lungaroni@cnit.it> <20200311.235031.754217366237670514.davem@davemloft.net> From: Ahmed Abdelsalam Message-ID: <596e8f0a-9aec-a18a-e6e1-4aab1092457b@gssi.it> Date: Thu, 12 Mar 2020 11:00:53 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200311.235031.754217366237670514.davem@davemloft.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/03/2020 07:50, David Miller wrote: > But this is that classic case where we add a protocol element to the > tree before the official number is assigned. > > Then the number is assigned and if we change it then everything using > the original number is no longer interoperable. David, Is there a way to port this patch to previous releases ? This would be really great and helpful.