1# $NetBSD: t_repeated_mtu.sh,v 1.1 2020/06/30 11:48:20 jruoho Exp $ 2# 3# Copyright (c) 2020 The NetBSD Foundation, Inc. 4# All rights reserved. 5# 6# This code is derived from software contributed to The NetBSD Foundation 7# by Jukka Ruohonen. 8# 9# Redistribution and use in source and binary forms, with or without 10# modification, are permitted provided that the following conditions 11# are met: 12# 1. Redistributions of source code must retain the above copyright 13# notice, this list of conditions and the following disclaimer. 14# 2. Redistributions in binary form must reproduce the above copyright 15# notice, this list of conditions and the following disclaimer in the 16# documentation and/or other materials provided with the distribution. 17# 18# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28# POSSIBILITY OF SUCH DAMAGE. 29# 30 31atf_test_case repeated_mtu 32repeated_mtu_head() { 33 atf_set "require.user" "root" 34 atf_set "descr" "Check with ifconfig(8) that setting MTUs works" 35} 36 37repeated_mtu_body() { 38 39 # This sequence covers both valid and invalid MTUs; we are 40 # only interested in testing that the system does not hang. 41 # 42 mtus=$(seq -10000 1000 90000) 43 44 for i in $(ifconfig -l); do 45 46 mtu=$(ifconfig $i | grep "mtu" | sed "s/.*mtu //") 47 48 if [ -z $mtu ]; then 49 echo "Skipping $i" 50 continue 51 fi 52 53 for j in $mtus; do 54 echo "Request: ifconfig $i mtu $j" 55 ifconfig $i mtu $j >/dev/null 2>&1 56 done 57 58 ifconfig $i mtu $mtu 59 echo "Restored the MTU of $i to $mtu" 60 done 61} 62 63atf_init_test_cases() { 64 atf_add_test_case repeated_mtu 65} 66