xref: /freebsd/tests/sys/netpfil/common/dummynet.sh (revision 1603881667360c015f6685131f2f25474fa67a72)
1# $FreeBSD$
2#
3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4#
5# Copyright (c) 2021 Rubicon Communications, LLC (Netgate)
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27
28. $(atf_get_srcdir)/utils.subr
29. $(atf_get_srcdir)/runner.subr
30
31pipe_head()
32{
33	atf_set descr 'Basic pipe test'
34	atf_set require.user root
35}
36
37pipe_body()
38{
39	fw=$1
40	firewall_init $fw
41	dummynet_init $fw
42
43	epair=$(vnet_mkepair)
44	vnet_mkjail alcatraz ${epair}b
45
46	ifconfig ${epair}a 192.0.2.1/24 up
47	jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up
48
49	# Sanity check
50	atf_check -s exit:0 -o ignore ping -i .1 -c 3 -s 1200 192.0.2.2
51
52	jexec alcatraz dnctl pipe 1 config bw 30Byte/s
53
54	firewall_config alcatraz ${fw} \
55		"ipfw"	\
56			"ipfw add 1000 pipe 1 ip from any to any"
57
58	# single ping succeeds just fine
59	atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2
60
61	# Saturate the link
62	ping -i .1 -c 5 -s 1200 192.0.2.2
63
64	# We should now be hitting the limits and get this packet dropped.
65	atf_check -s exit:2 -o ignore ping -c 1 -s 1200 192.0.2.2
66}
67
68pipe_cleanup()
69{
70	firewall_cleanup $1
71}
72
73setup_tests		\
74	pipe		\
75		ipfw
76