xref: /src/tests/sbin/ifconfig/t_repeated_updown.sh

# $NetBSD: t_repeated_updown.sh,v 1.5 2020/07/27 06:52:48 gson Exp $
#
# Copyright (c) 2020 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Jukka Ruohonen.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

atf_test_case repeated_updown
repeated_updown_head() {
	atf_set "require.user" "root"
	atf_set "descr" "Test with ifconfig(8) that repeated up/down " \
		"does not cause a panic (PR kern/52526; PR kern/52771)"
}

repeated_updown_body() {

	if ! [ $(atf_config_get "run_unsafe" "no") = "yes" ]
	then
		atf_skip "can disrupt networking; also PR port-evbarm/55504"
	fi

	# Try to avoid stalling any automated test runs.
	#
	n=35

	for i in $(ifconfig -l); do

		state="up"
		ifconfig -s $i

		if [ $? -eq 1 ]; then
			state="down"
			ifconfig $i up
			echo "Initialized $i up"
		fi

		while [ $n -gt 0 ]; do
			ifconfig $i down
			echo "Test $n: $i down"
			ifconfig $i up
			echo "Test $n: $i up"
			n=$(expr $n - 1)
		done

		ifconfig $i $state
		echo "Restored state of $i to $state"
		sleep 1
	done

	atf_pass
}

atf_init_test_cases() {
	atf_add_test_case repeated_updown
}