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=-7.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 26C09C433DF for ; Tue, 25 Aug 2020 16:45:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EB15420782 for ; Tue, 25 Aug 2020 16:45:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UdFoMokp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726630AbgHYQp5 (ORCPT ); Tue, 25 Aug 2020 12:45:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725805AbgHYQp4 (ORCPT ); Tue, 25 Aug 2020 12:45:56 -0400 Received: from mail-oi1-x22a.google.com (mail-oi1-x22a.google.com [IPv6:2607:f8b0:4864:20::22a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB04AC061574; Tue, 25 Aug 2020 09:45:55 -0700 (PDT) Received: by mail-oi1-x22a.google.com with SMTP id 2so6669036ois.8; Tue, 25 Aug 2020 09:45:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=AXoocnEsJlEHHnihReD4/CUqd25iKJyrxvO68JJswpY=; b=UdFoMokpr4QdtbVhvp+NJOxElMwfc66NbAx1KDdFzkU4xkoBmb56QHw6NgJFxnk4pk 67619ero98YtGRFZ7LCYu8gAbd3MbZwoNxf0X8xU9G53eUwXrRttCysxTeyaP6U0bTbK jSukn+F6XK52/umquq9l7FJyQtkkI5CANagey23quOuoZqRFyzp54XXyrlzel9dI/fQo r5gu7VdD1AAbCny1n60lcf5HT2OIn/gr+ipaejvdkSreH+dpAsH95LGZ5H1LSZjTYdqN VoXFIcpt/ImSFYNbwQJM1afpNa2pw4Y+p01PmoTbH97jGLU6rZS3oJk/+gIChbMruxWM KPRQ== 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=AXoocnEsJlEHHnihReD4/CUqd25iKJyrxvO68JJswpY=; b=XyJB0ztwl5WnR+j+iGURCRjx5+Drx8foWZmy5WFWqIKthzLHzveJ1uXhLUMD0zM7uq VnSUJXlsS3BRq0ggLUgzCkQhZ95KmJ34Ra+VIQU61c2wTEkGyaPGWTQonb5iiCxDA5SC 9D+PQMkXSgMftnhT2ALhe1DwTpwtKeJ3d/4+0xEAMSosRZUeXzJ5Fi25WjdLVtPYsIkE IaHyXqK6aJbtnhzkNdGucQcJ+rVvMufDrm+0wOv3QyNKfK/1W1OcmEzpRRz91ZSdUOO+ VPbho85FDFN9+5xNcJ2yGgHUT93QC6efQklnhtVeMsxOj3kwlFRy0nnQM3r6ieGSxAJa +DwQ== X-Gm-Message-State: AOAM530h5vxR93Hytu05Ci7CbgFxfJksDo2y1PpqxfWMaHXW4ZNl+9pz AFtdwgcO+6zcK2QU6XIqJRs= X-Google-Smtp-Source: ABdhPJz7GqOyLtnB+PqSFAzoxFZkDoUw+V98PGBIGihp96GWaEbs4lolyOYDWclKQCi35YHP6PN8/Q== X-Received: by 2002:a54:4715:: with SMTP id k21mr1313602oik.165.1598373954476; Tue, 25 Aug 2020 09:45:54 -0700 (PDT) Received: from Davids-MacBook-Pro.local ([2601:282:803:7700:c847:82a7:d142:cbfb]) by smtp.googlemail.com with ESMTPSA id m19sm2748597otj.29.2020.08.25.09.45.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Aug 2020 09:45:53 -0700 (PDT) Subject: Re: [net-next v5 1/2] seg6: inherit DSCP of inner IPv4 packets To: Ahmed Abdelsalam , "David S. Miller" , Jakub Kicinski , Alexey Kuznetsov , Hideaki YOSHIFUJI , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: andrea.mayer@uniroma2.it References: <20200825160236.1123-1-ahabdels@gmail.com> From: David Ahern Message-ID: Date: Tue, 25 Aug 2020 10:45:52 -0600 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200825160236.1123-1-ahabdels@gmail.com> Content-Type: text/plain; charset=utf-8 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 8/25/20 10:02 AM, Ahmed Abdelsalam wrote: > This patch allows SRv6 encapsulation to inherit the DSCP value of > the inner IPv4 packet. > > This allows forwarding packet across the SRv6 fabric based on their > original traffic class. > > The option is controlled through a sysctl (seg6_inherit_inner_ipv4_dscp). > The sysctl has to be set to 1 to enable this feature. > rather than adding another sysctl, can this be done as a SEG6_LOCAL attribute and managed via seg6_local_lwt?