xref: /freebsd/tests/sys/netinet/lpm.sh (revision 783d3ff6d7fae619db8a7990b8a6387de0c677b5)
1#!/usr/bin/env atf-sh
2#-
3# SPDX-License-Identifier: BSD-2-Clause
4#
5# Copyright (c) 2020 Alexander V. Chernikov
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#
29
30. $(atf_get_srcdir)/../common/vnet.subr
31
32setup_networking()
33{
34	jname="$1"
35	lo_dst="$2"
36	epair0="$3"
37	epair1="$4"
38
39	vnet_mkjail ${jname}a ${epair0}a ${epair1}a
40	# Setup transit IPv4 networks
41	jexec ${jname}a ifconfig ${epair0}a up
42	jexec ${jname}a ifconfig ${epair0}a inet 203.0.113.1/30
43	jexec ${jname}a ifconfig ${epair1}a up
44	jexec ${jname}a ifconfig ${epair1}a inet 203.0.113.5/30
45
46	vnet_mkjail ${jname}b ${epair0}b ${epair1}b ${lo_dst}
47	jexec ${jname}b ifconfig ${epair0}b up
48	jexec ${jname}b ifconfig ${epair0}b inet 203.0.113.2/30
49	jexec ${jname}b ifconfig ${epair1}b up
50	jexec ${jname}b ifconfig ${epair1}b inet 203.0.113.6/30
51	jexec ${jname}b ifconfig ${lo_dst} up
52
53}
54
55atf_test_case "lpm_test1_success" "cleanup"
56lpm_test1_success_head()
57{
58
59	atf_set descr 'Test IPv4 LPM for /30 and /31'
60	atf_set require.user root
61}
62
63lpm_test1_success_body()
64{
65
66	vnet_init
67
68	jname="v4t-lpm_test1_success"
69
70	lo_dst=$(vnet_mkloopback)
71	epair0=$(vnet_mkepair)
72	epair1=$(vnet_mkepair)
73
74	setup_networking ${jname} ${lo_dst} ${epair0} ${epair1}
75
76	jexec ${jname}b ifconfig ${lo_dst} inet 198.51.100.0/32
77	jexec ${jname}b ifconfig ${lo_dst} alias 198.51.100.2/32
78
79	# Add routes
80	# A -> towards B via epair0a
81	jexec ${jname}a route add -4 -net 198.51.100.0/30 203.0.113.2
82	# A -> towards B via epair1a
83	jexec ${jname}a route add -4 -net 198.51.100.0/31 203.0.113.6
84
85	count=20
86	valid_message="${count} packets transmitted, ${count} packets received"
87
88	# Check that 198.51.100.0 goes via epair1
89	atf_check -o match:"${valid_message}" jexec ${jname}a ping -f -nc${count} 198.51.100.0
90	pkt_0=`jexec ${jname}a netstat -Wf link -I ${epair0}a | head | awk '$1!~/^Name/{print$8}'`
91	pkt_1=`jexec ${jname}a netstat -Wf link -I ${epair1}a | head | awk '$1!~/^Name/{print$8}'`
92	if [ ${pkt_1} -le ${count} ]; then
93		echo "LPM failure: 1: ${pkt_0} 2: ${pkt_1} (should be ${count})"
94		exit 1
95	fi
96
97	# Check that 198.51.100.2 goes via epair0
98	atf_check -o match:"${valid_message}" jexec ${jname}a ping -f -nc${count} 198.51.100.2
99	pkt_0=`jexec ${jname}a netstat -Wf link -I ${epair0}a | head | awk '$1!~/^Name/{print$8}'`
100	pkt_1=`jexec ${jname}a netstat -Wf link -I ${epair1}a | head | awk '$1!~/^Name/{print$8}'`
101	if [ ${pkt_0} -le ${count} ]; then
102		echo "LPM failure: 1: ${pkt_0} (should be ${count})  2: ${pkt_1}"
103		exit 1
104	fi
105
106	echo "RAW BALANCING: 1: ${pkt_0} 2: ${pkt_1}"
107}
108
109lpm_test1_success_cleanup()
110{
111	vnet_cleanup
112}
113
114atf_test_case "lpm_test2_success" "cleanup"
115lpm_test2_success_head()
116{
117
118	atf_set descr 'Test IPv4 LPM for the host routes'
119	atf_set require.user root
120}
121
122lpm_test2_success_body()
123{
124
125	vnet_init
126
127	jname="v4t-lpm_test2_success"
128
129	lo_dst=$(vnet_mkloopback)
130	epair0=$(vnet_mkepair)
131	epair1=$(vnet_mkepair)
132
133	setup_networking ${jname} ${lo_dst} ${epair0} ${epair1}
134
135	jexec ${jname}b ifconfig ${lo_dst} inet 198.51.100.0/32
136	jexec ${jname}b ifconfig ${lo_dst} alias 198.51.100.1/32
137
138	# Add routes
139	# A -> towards B via epair0a
140	jexec ${jname}a route add -4 -host 198.51.100.0 203.0.113.2
141	# A -> towards B via epair1a
142	jexec ${jname}a route add -4 -host 198.51.100.1 203.0.113.6
143
144	count=20
145	valid_message="${count} packets transmitted, ${count} packets received"
146
147	# Check that 198.51.100.0 goes via epair0
148	atf_check -o match:"${valid_message}" jexec ${jname}a ping -f -nc${count} 198.51.100.0
149	pkt_0=`jexec ${jname}a netstat -Wf link -I ${epair0}a | head | awk '$1!~/^Name/{print$8}'`
150	pkt_1=`jexec ${jname}a netstat -Wf link -I ${epair1}a | head | awk '$1!~/^Name/{print$8}'`
151	if [ ${pkt_0} -le ${count} ]; then
152		echo "LPM failure: 1: ${pkt_0} (should be ${count})  2: ${pkt_1}"
153		exit 1
154	fi
155
156	# Check that 198.51.100.1 goes via epair1
157	atf_check -o match:"${valid_message}" jexec ${jname}a ping -f -nc${count} 198.51.100.1
158	pkt_0=`jexec ${jname}a netstat -Wf link -I ${epair0}a | head | awk '$1!~/^Name/{print$8}'`
159	pkt_1=`jexec ${jname}a netstat -Wf link -I ${epair1}a | head | awk '$1!~/^Name/{print$8}'`
160	if [ ${pkt_1} -le ${count} ]; then
161		echo "LPM failure: 1: ${pkt_0} 2: ${pkt_1} (should be ${count})"
162		exit 1
163	fi
164
165	echo "RAW BALANCING: 1: ${pkt_0} 2: ${pkt_1}"
166}
167
168lpm_test2_success_cleanup()
169{
170	vnet_cleanup
171}
172
173atf_init_test_cases()
174{
175	atf_add_test_case "lpm_test1_success"
176	atf_add_test_case "lpm_test2_success"
177}
178
179