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=-9.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 47D2AC6377B for ; Thu, 22 Jul 2021 02:47:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2CE5B61264 for ; Thu, 22 Jul 2021 02:47:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230473AbhGVCGy (ORCPT ); Wed, 21 Jul 2021 22:06:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229932AbhGVCGx (ORCPT ); Wed, 21 Jul 2021 22:06:53 -0400 Received: from mail-oi1-x229.google.com (mail-oi1-x229.google.com [IPv6:2607:f8b0:4864:20::229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB6E9C061575 for ; Wed, 21 Jul 2021 19:47:28 -0700 (PDT) Received: by mail-oi1-x229.google.com with SMTP id c197so5066195oib.11 for ; Wed, 21 Jul 2021 19:47:28 -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=aXw9qTxwP+SnkbLHW21pIcAPQktMpjTpdE5RdL4BevQ=; b=YQqk0qDRZsBK1JOxUJhnXo3iSaM59evSXPdFB5Py2DsxfSy4tm7gWWRf2dQfsNpXJR 3pnovjpYWoBGMQCP/WSZKKdiQ1vYmBdWvFrl9WqychpF6WE1ohmtCNfkL+CejBybZ2z4 j2Sl5DYPrUpFRMdwsa+dpKPRapdqv1AuHLL8MBgo3C5/wfE6IvTR2Zveuy1p3jkP2bKR ANUI9Mj0TIYPWxvC+2E3Ogs+EQ1bzHdLDNFMQhtaPt+b2Ck5eLT+VU8okoS8w3px1R2w WW8yWmYlDvybGt4N42P00zDJz45D8Nyl1SJF6UTTiAd9vbGLnxy+bayde6iZNSq5Z65j LDVw== 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=aXw9qTxwP+SnkbLHW21pIcAPQktMpjTpdE5RdL4BevQ=; b=HIgJrPqtXhXJiQOacXgPFph/X5P4P9Ue/faoPCC9VRgK85WHCNykNakylGM/zWW1YT 1zXp43ayRLM3lZhhnYrQU4Tg1h1ZGVgxWVv38UlYibBRPO+304uf2DSfu+dQuiNMCmxG M/tQRH/FNjop1+FKZ55bQeOIi9tP39Oj4Q00ehnoJrwLc+vURhIzn9ibRJ8TQ9PEptbU KmDrCGZNp+iN/KOVTA13L5Bo/TFi2jaZ5sUmSLt7C5kTYOxQmWCS2zE+Pq5541E5RX9h N2ql+AvEBZCiifrFf0ZYmPmZq3yIqvCElgP4dB6d1w+ts/BPZHUqfiKN3egdCI2fpl7O 9CSQ== X-Gm-Message-State: AOAM531PCiqyd50mMQ/Aij5OZqcJSbqQPV2C4m2cbkhgNN0a51AG38Je 6uGU0PlNvmV1vymIBPOVnss= X-Google-Smtp-Source: ABdhPJzqjMuuP+bJn/f/6q9faMib6y+/4d5QnsExORrvch0cJsiBfwdxiERO6QnTb+8eaT9+QDxQrA== X-Received: by 2002:aca:b903:: with SMTP id j3mr3095848oif.179.1626922048298; Wed, 21 Jul 2021 19:47:28 -0700 (PDT) Received: from Davids-MacBook-Pro.local ([8.48.134.38]) by smtp.googlemail.com with ESMTPSA id k7sm4628353otn.60.2021.07.21.19.47.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Jul 2021 19:47:27 -0700 (PDT) Subject: Re: [PATCH net-next v5 2/6] ipv6: ioam: Data plane support for Pre-allocated Trace To: Justin Iurman , netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, yoshfuji@linux-ipv6.org, dsahern@kernel.org, tom@herbertland.com References: <20210720194301.23243-1-justin.iurman@uliege.be> <20210720194301.23243-3-justin.iurman@uliege.be> From: David Ahern Message-ID: <3801e3ce-089a-2252-ebdf-558b43824459@gmail.com> Date: Wed, 21 Jul 2021 20:47:26 -0600 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <20210720194301.23243-3-justin.iurman@uliege.be> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 7/20/21 1:42 PM, Justin Iurman wrote: > diff --git a/include/uapi/linux/in6.h b/include/uapi/linux/in6.h > index 5ad396a57eb3..c4c53a9ab959 100644 > --- a/include/uapi/linux/in6.h > +++ b/include/uapi/linux/in6.h > @@ -145,6 +145,7 @@ struct in6_flowlabel_req { > #define IPV6_TLV_PADN 1 > #define IPV6_TLV_ROUTERALERT 5 > #define IPV6_TLV_CALIPSO 7 /* RFC 5570 */ > +#define IPV6_TLV_IOAM 49 /* TEMPORARY IANA allocation for IOAM */ why temporary and what is the risk the value changes between now and the final version?