From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl0-f51.google.com ([209.85.160.51]:40266 "EHLO mail-pl0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754051AbeCRRbP (ORCPT ); Sun, 18 Mar 2018 13:31:15 -0400 Received: by mail-pl0-f51.google.com with SMTP id ay1-v6so8843877plb.7 for ; Sun, 18 Mar 2018 10:31:14 -0700 (PDT) Subject: Re: [PATCH net-next 00/10 v2] selftests: pmtu: Add further vti/vti6 MTU and PMTU tests To: Stefano Brivio , "David S . Miller" Cc: Sabrina Dubroca , Steffen Klassert , netdev@vger.kernel.org References: From: David Ahern Message-ID: <42e5ee79-1cca-92f8-4b0f-8cdbfd09e071@gmail.com> Date: Sun, 18 Mar 2018 11:31:10 -0600 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org List-ID: On 3/16/18 7:31 PM, Stefano Brivio wrote: > Patches 5/10 to 10/10 add tests to verify default MTU assignment > for vti4 and vti6 interfaces, to check that MTU values set on new > link and link changes are properly taken and validated, and to > verify PMTU exceptions on vti4 interfaces. > > Patch 1/10 reverses function return codes as suggested by David > Ahern. > > Patch 2/10 fixes the helper to fetch exceptions MTU to run in the > passed namespace. > > Patches 3/10 and 4/10 are preparation work to make it easier to > introduce those tests. > > v2: Reverse return codes, and make output prettier in 4/9 by > using padded printf, test descriptions and buffered error > strings. Remove accidental output to /dev/kmsg from 10/10 > (was 9/9). pulling pmtu.sh from net-next I see log messages on console: [ 890.741117] ip netns exec ns-kFUQx6 ip link set vti6_a type vti6 remote fc00:1001::0 local fc00:1001::0 [ 890.837569] ip netns exec ns-kFUQx6 ip link set vti6_a mtu 1280 type vti6 remote fc00:1000::0 local fc00:1000::0