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=-3.6 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,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 35A0DC63697 for ; Fri, 13 Nov 2020 20:53:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F0CD52224D for ; Fri, 13 Nov 2020 20:53:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Bp9CZFRE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726497AbgKMUxD (ORCPT ); Fri, 13 Nov 2020 15:53:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726092AbgKMUxB (ORCPT ); Fri, 13 Nov 2020 15:53:01 -0500 Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB1E7C0613D1 for ; Fri, 13 Nov 2020 12:53:01 -0800 (PST) Received: by mail-pl1-x643.google.com with SMTP id t18so5131991plo.0 for ; Fri, 13 Nov 2020 12:53:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:subject:from:to:cc:date:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=2xo53I7wrlzl3NE1YFvqqeiEzEfmvW1Nm6ThC/jjPYs=; b=Bp9CZFREG21PVXgPvDddIBYk1DeU1mFcbc1C4BPgTLX3G0b0SXl3iq08qm5XaxECTX Gj3cspBLWS1hxbU250WRSOvNEuqWlG8CCmPqhCVZyVj+uu8WmbdNtEQeT5JpSsfiXBY9 ii//Nx62uUORf46tZ4KRuqFWO1MDpgZq+gtRS5vcuve78QtpQZ1cMxg0EGEHRZK1smyI g642QBB1F5QTYsCyU1ja4vMG5QkKyLeNv2A6k0XkAorGZMlSR+X8inWicQ/9hNYXnsVL 0fDLKC0zPwmBHZdF9Ru3CMZxcmmj+wWIBSYrDz2g/BEYsoKS9o6VZcP4BqsoMuRIOmZ9 SN5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=2xo53I7wrlzl3NE1YFvqqeiEzEfmvW1Nm6ThC/jjPYs=; b=OYMtB2ku+WTTepBGAJKGGE1R4tQTDXKaX2ihUv6egRyMxorUQY0v2cS+DYFKR57lSZ wBDP+7AgFaaoNxAb0HqfGu3casomqsHYw+zrptjFJYHH4P6UNs4exsrhwaTdx0m7/MqS GMzo1n0QovsAkyvirZeOdKv3JZZ4JHxmoTbaRrFxSOL9mZxPMJ0dbC7MYvOBPWja3Znr 2EnA21Y036Rt8AHjvkgz/26HQkKRbZVKA+TnGfp06Oupp9/eewNjwBDmo3dyM58dFe0j YEbU7dtnlAY91X+VT/1nnHc5aeZBs6aJINDqf+xNNWJnxjMqXYiAGZ95ejtYn4pXhzNh lFQg== X-Gm-Message-State: AOAM533N0AxiclBX4RMuq6ugnO+D9M4d1wWoLVuaJFODM4B0nSTKKoKI zsLqTrDOFmKORhbOb7iHgdhwDld3agkJHUUj X-Google-Smtp-Source: ABdhPJxgVOm1bVW4104/tbEGaYkN0iFU6ZOEM3Kq3ScB+VMON4lzKTOUTUhZ/5FOz3RSXNIRNt3oog== X-Received: by 2002:a17:902:70cc:b029:d7:e8ad:26d4 with SMTP id l12-20020a17090270ccb02900d7e8ad26d4mr3674711plt.33.1605300781256; Fri, 13 Nov 2020 12:53:01 -0800 (PST) Received: from ?IPv6:2601:648:8400:9ef4:34d:9355:e74:4f1b? ([2601:648:8400:9ef4:34d:9355:e74:4f1b]) by smtp.gmail.com with ESMTPSA id t9sm13519986pje.1.2020.11.13.12.53.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2020 12:53:00 -0800 (PST) Message-ID: <368dca70e518a9576a80fbd629ea7dc3583cc597.camel@gmail.com> Subject: Re: [PATCH 0/3] Add support for sending RFC8335 PROBE messages From: Andreas Roeseler To: Jakub Kicinski Cc: davem@davemloft.net, kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, netdev@vger.kernel.org Date: Fri, 13 Nov 2020 12:53:00 -0800 In-Reply-To: <20201113073230.3ecd6f0d@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> References: <20201113073230.3ecd6f0d@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.38.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, 2020-11-13 at 07:32 -0800, Jakub Kicinski wrote: > On Thu, 12 Nov 2020 21:02:27 -0800 Andreas Roeseler wrote: > > The popular utility ping has several severe limitations such as > > an inability to query specific interfaces on a node and requiring > > bidirectional connectivity between the probing and the probed > > interfaces. RFC 8335 attempts to solve these limitations by > > creating the > > new utility PROBE which is an ICMP message that makes use of the > > ICMP > > Extension Structure outlined in RFC 4884. > > > > This patchset adds define statments for the probe ICMP message > > request > > and reply types for both IPv4 and IPv6. It also expands the list of > > supported ICMP messages to accommodate probe messages. > > Did you mean to CC netdev? Thank you for catching that. I'm new to kernel development and I'm still trying to get my bearings.