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=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 4B55AC433DF for ; Tue, 11 Aug 2020 17:29:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 273B320771 for ; Tue, 11 Aug 2020 17:29:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729297AbgHKR3A (ORCPT ); Tue, 11 Aug 2020 13:29:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729258AbgHKR26 (ORCPT ); Tue, 11 Aug 2020 13:28:58 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07142C06174A; Tue, 11 Aug 2020 10:28:58 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id C7DC112880A3D; Tue, 11 Aug 2020 10:12:11 -0700 (PDT) Date: Tue, 11 Aug 2020 10:28:56 -0700 (PDT) Message-Id: <20200811.102856.864544731521589077.davem@davemloft.net> To: mjeanson@efficios.com Cc: dsahern@kernel.org, linux-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, netdev@vger.kernel.org Subject: Re: [PATCH] selftests: Add VRF icmp error route lookup test From: David Miller In-Reply-To: <20200806185121.19688-1-mjeanson@efficios.com> References: <42cb74c8-9391-cf4c-9e57-7a1d464f8706@gmail.com> <20200806185121.19688-1-mjeanson@efficios.com> X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 11 Aug 2020 10:12:12 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Michael Jeanson Date: Thu, 6 Aug 2020 14:51:21 -0400 > The objective is to check that the incoming vrf routing table is selected > to send an ICMP error back to the source when the ttl of a packet reaches 1 > while it is forwarded between different vrfs. > > The first test sends a ping with a ttl of 1 from h1 to h2 and parses the > output of the command to check that a ttl expired error is received. > > [This may be flaky, I'm open to suggestions of a more robust approch.] > > The second test runs traceroute from h1 to h2 and parses the output to > check for a hop on r1. > > Signed-off-by: Michael Jeanson This patch does not apply cleanly to the current net tree.