t_repeated_updown.sh revision 1.4 
1# $NetBSD: t_repeated_updown.sh,v 1.4 2020/07/22 05:47:24 martin Exp $
2#
3# Copyright (c) 2020 The NetBSD Foundation, Inc.
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5#
6# This code is derived from software contributed to The NetBSD Foundation
7# by Jukka Ruohonen.
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29
30atf_test_case repeated_updown
31repeated_updown_head() {
32	atf_set "require.user" "root"
33	atf_set "descr" "Test with ifconfig(8) that repeated up/down " \
34		"does not cause a panic (PR kern/52526; PR kern/52771)"
35}
36
37repeated_updown_body() {
38
39	# Try to avoid stalling any automated test runs.
40	#
41	n=35
42
43	for i in $(ifconfig -l); do
44
45		# skip all interfaces that are already marked UP
46		ifconfig $i | fgrep -q UP >/dev/null && continue
47
48		state="down"
49		ifconfig $i up
50		echo "Initialized $i up"
51
52		while [ $n -gt 0 ]; do
53			ifconfig $i down
54			echo "Test $n: $i down"
55			ifconfig $i up
56			echo "Test $n: $i up"
57			n=$(expr $n - 1)
58		done
59
60		ifconfig $i $state
61		echo "Restored state of $i to $state"
62		sleep 1
63	done
64
65	atf_pass
66}
67
68atf_init_test_cases() {
69	atf_add_test_case repeated_updown
70}
71