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=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 48DC1C63697 for ; Fri, 13 Nov 2020 21:40:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EDA562224F for ; Fri, 13 Nov 2020 21:40:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="iIU9cfzD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725973AbgKMVkU (ORCPT ); Fri, 13 Nov 2020 16:40:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:47114 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726116AbgKMVkS (ORCPT ); Fri, 13 Nov 2020 16:40:18 -0500 Received: from kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com (unknown [163.114.132.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 09E072224D; Fri, 13 Nov 2020 21:40:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605303612; bh=pf0MdFZhP8Aj54kdy6uq7vt6cJ6OOnUVf8F2IYcfu/M=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=iIU9cfzDtTWwA56hSwS/zc0hNN+ueC+ELU29QqmZiW8pSKYpd5MBI4UiSM7LL9VbR eQYKmsGDlkNs51TFmXwi8fnq7Ia268z/uAuaVC6SO+VJkH9/yOKck9OaxyP+PThnHQ vHd65SbYD0Jx/+E1Dp17ltbfmAhOOMq3zeD1Rj8c= Date: Fri, 13 Nov 2020 13:40:10 -0800 From: Jakub Kicinski To: David Ahern Cc: Stefano Salsano , Andrea Mayer , "David S. Miller" , David Ahern , Alexey Kuznetsov , Hideaki YOSHIFUJI , Shuah Khan , Shrijeet Mukherjee , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Paolo Lungaroni , Ahmed Abdelsalam Subject: Re: [net-next,v2,4/5] seg6: add support for the SRv6 End.DT4 behavior Message-ID: <20201113134010.5eb2a154@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: <20201113114036.18e40b32@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> References: <20201107153139.3552-1-andrea.mayer@uniroma2.it> <20201107153139.3552-5-andrea.mayer@uniroma2.it> <20201110151255.3a86afcc@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <20201113022848.dd40aa66763316ac4f4ffd56@uniroma2.it> <34d9b96f-a378-4817-36e8-3d9287c5b76b@gmail.com> <20201113085547.68e04931@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <09381c96-42a3-91cd-951b-f970cd8e52cb@gmail.com> <20201113114036.18e40b32@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 13 Nov 2020 11:40:36 -0800 Jakub Kicinski wrote: > > agreed. The v6 variant has existed for a while. The v4 version is > > independent. > > Okay, I'm not sure what's the right call so I asked DaveM. DaveM raised a concern that unless we implement v6 now we can't be sure the interface we create for v4 is going to fit there. So Andrea unless it's a major hurdle, could you take a stab at the v6 version with VRFs as part of this series?