1# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
2#
3# Copyright (c) 2020 Kristof Provost <kp@FreeBSD.org>
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24# SUCH DAMAGE.
25
26. $(atf_get_srcdir)/utils.subr
27
28common_dir=$(atf_get_srcdir)/../common
29
30atf_test_case "unaligned" "cleanup"
31unaligned_head()
32{
33	atf_set descr 'Test unaligned checksum updates'
34	atf_set require.user root
35	atf_set require.progs scapy
36}
37
38unaligned_body()
39{
40	pft_init
41
42	epair_in=$(vnet_mkepair)
43	epair_out=$(vnet_mkepair)
44
45	vnet_mkjail alcatraz ${epair_in}b ${epair_out}a
46
47	ifconfig ${epair_in}a 192.0.2.2/24 up
48	route add -net 198.51.100.0/24 192.0.2.1
49
50	jexec alcatraz ifconfig ${epair_in}b 192.0.2.1/24 up
51	jexec alcatraz sysctl net.inet.ip.forwarding=1
52
53	jexec alcatraz ifconfig ${epair_out}a 198.51.100.1/24 up
54	jexec alcatraz arp -s 198.51.100.2 00:01:02:03:04:05
55
56	ifconfig ${epair_out}b up
57
58	jexec alcatraz pfctl -e
59	pft_set_rules alcatraz \
60		"scrub on ${epair_in}b reassemble tcp max-mss 1200"
61
62	# Check aligned
63	atf_check -s exit:0 ${common_dir}/pft_ping.py \
64		--sendif ${epair_in}a \
65		--to 198.51.100.2 \
66		--recvif ${epair_out}b \
67		--tcpsyn
68
69	# And unaligned
70	atf_check -s exit:0 ${common_dir}/pft_ping.py \
71		--sendif ${epair_in}a \
72		--to 198.51.100.2 \
73		--recvif ${epair_out}b \
74		--tcpsyn \
75		--tcpopt_unaligned
76}
77
78unaligned_cleanup()
79{
80	pft_cleanup
81}
82
83atf_init_test_cases()
84{
85	atf_add_test_case "unaligned"
86}
87