xref: /freebsd/tests/sys/net/if_bridge_test.sh (revision b3512b30dbec579da28028e29d8b33ec7242af68)
1# $FreeBSD$
2#
3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4#
5# Copyright (c) 2020 The FreeBSD Foundation
6#
7# This software was developed by Kristof Provost under sponsorship
8# from the FreeBSD Foundation.
9#
10# Redistribution and use in source and binary forms, with or without
11# modification, are permitted provided that the following conditions
12# are met:
13# 1. Redistributions of source code must retain the above copyright
14#    notice, this list of conditions and the following disclaimer.
15# 2. Redistributions in binary form must reproduce the above copyright
16#    notice, this list of conditions and the following disclaimer in the
17#    documentation and/or other materials provided with the distribution.
18#
19# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29# SUCH DAMAGE.
30
31. $(atf_get_srcdir)/../common/vnet.subr
32
33atf_test_case "bridge_transmit_ipv4_unicast" "cleanup"
34bridge_transmit_ipv4_unicast_head()
35{
36	atf_set descr 'bridge_transmit_ipv4_unicast bridging test'
37	atf_set require.user root
38}
39
40bridge_transmit_ipv4_unicast_body()
41{
42	vnet_init
43
44	epair_alcatraz=$(vnet_mkepair)
45	epair_singsing=$(vnet_mkepair)
46
47	vnet_mkjail alcatraz ${epair_alcatraz}b
48	vnet_mkjail singsing ${epair_singsing}b
49
50	jexec alcatraz ifconfig ${epair_alcatraz}b 192.0.2.1/24 up
51	jexec singsing ifconfig ${epair_singsing}b 192.0.2.2/24 up
52
53	bridge=$(vnet_mkbridge)
54
55	ifconfig ${bridge} up
56	ifconfig ${epair_alcatraz}a up
57	ifconfig ${epair_singsing}a up
58	ifconfig ${bridge} addm ${epair_alcatraz}a
59	ifconfig ${bridge} addm ${epair_singsing}a
60
61	atf_check -s exit:0 -o ignore jexec alcatraz ping -c 3 -t 1 192.0.2.2
62	atf_check -s exit:0 -o ignore jexec singsing ping -c 3 -t 1 192.0.2.1
63}
64
65bridge_transmit_ipv4_unicast_cleanup()
66{
67	vnet_cleanup
68}
69
70atf_test_case "stp" "cleanup"
71stp_head()
72{
73	atf_set descr 'Spanning tree test'
74	atf_set require.user root
75}
76
77stp_body()
78{
79	vnet_init
80
81	epair_one=$(vnet_mkepair)
82	epair_two=$(vnet_mkepair)
83	bridge_a=$(vnet_mkbridge)
84	bridge_b=$(vnet_mkbridge)
85
86	vnet_mkjail a ${bridge_a} ${epair_one}a ${epair_two}a
87	vnet_mkjail b ${bridge_b} ${epair_one}b ${epair_two}b
88
89	jexec a ifconfig ${epair_one}a up
90	jexec a ifconfig ${epair_two}a up
91	jexec a ifconfig ${bridge_a} addm ${epair_one}a
92	jexec a ifconfig ${bridge_a} addm ${epair_two}a
93
94	jexec b ifconfig ${epair_one}b up
95	jexec b ifconfig ${epair_two}b up
96	jexec b ifconfig ${bridge_b} addm ${epair_one}b
97	jexec b ifconfig ${bridge_b} addm ${epair_two}b
98
99	jexec a ifconfig ${bridge_a} 192.0.2.1/24
100
101	# Enable spanning tree
102	jexec a ifconfig ${bridge_a} stp ${epair_one}a
103	jexec a ifconfig ${bridge_a} stp ${epair_two}a
104	jexec b ifconfig ${bridge_b} stp ${epair_one}b
105	jexec b ifconfig ${bridge_b} stp ${epair_two}b
106
107	jexec b ifconfig ${bridge_b} up
108	jexec a ifconfig ${bridge_a} up
109
110	# Give STP time to do its thing
111	sleep 5
112
113	a_discard=$(jexec a ifconfig ${bridge_a} | grep discarding)
114	b_discard=$(jexec b ifconfig ${bridge_b} | grep discarding)
115
116	if [ -z "${a_discard}" ] && [ -z "${b_discard}" ]
117	then
118		atf_fail "STP failed to detect bridging loop"
119	fi
120}
121
122stp_cleanup()
123{
124	vnet_cleanup
125}
126
127atf_test_case "static" "cleanup"
128static_head()
129{
130	atf_set descr 'Bridge static address test'
131	atf_set require.user root
132}
133
134static_body()
135{
136	vnet_init
137
138	epair=$(vnet_mkepair)
139	bridge=$(vnet_mkbridge)
140
141	vnet_mkjail one ${bridge} ${epair}a
142
143	ifconfig ${epair}b up
144
145	jexec one ifconfig ${bridge} up
146	jexec one ifconfig ${epair}a up
147	jexec one ifconfig ${bridge} addm ${epair}a
148
149	# Wrong interface
150	atf_check -s exit:1 -o ignore -e ignore \
151	    jexec one ifconfig ${bridge} static ${epair}b 00:01:02:03:04:05
152
153	# Bad address format
154	atf_check -s exit:1 -o ignore -e ignore \
155	    jexec one ifconfig ${bridge} static ${epair}a 00:01:02:03:04
156
157	# Correct add
158	atf_check -s exit:0 -o ignore \
159	    jexec one ifconfig ${bridge} static ${epair}a 00:01:02:03:04:05
160
161	# List addresses
162	atf_check -s exit:0 -o ignore \
163	    jexec one ifconfig ${bridge} addr
164
165	# Delete with bad address format
166	atf_check -s exit:1 -o ignore -e ignore \
167	    jexec one ifconfig ${bridge} deladdr 00:01:02:03:04
168
169	# Delete with unlisted address
170	atf_check -s exit:1 -o ignore -e ignore \
171	    jexec one ifconfig ${bridge} deladdr 00:01:02:03:04:06
172
173	# Correct delete
174	atf_check -s exit:0 -o ignore \
175	    jexec one ifconfig ${bridge} deladdr 00:01:02:03:04:05
176}
177
178static_cleanup()
179{
180	vnet_cleanup
181}
182
183atf_test_case "span" "cleanup"
184span_head()
185{
186	atf_set descr 'Bridge span test'
187	atf_set require.user root
188}
189
190span_body()
191{
192	set -x
193	vnet_init
194
195	epair=$(vnet_mkepair)
196	epair_span=$(vnet_mkepair)
197	bridge=$(vnet_mkbridge)
198
199	vnet_mkjail one ${bridge} ${epair}a ${epair_span}a
200
201	ifconfig ${epair}b up
202	ifconfig ${epair_span}b up
203
204	jexec one ifconfig ${bridge} up
205	jexec one ifconfig ${epair}a up
206	jexec one ifconfig ${epair_span}a up
207	jexec one ifconfig ${bridge} addm ${epair}a
208
209	jexec one ifconfig ${bridge} span ${epair_span}a
210	jexec one ifconfig ${bridge} 192.0.2.1/24
211
212	# Send some traffic through the span
213	jexec one ping -c 1 -t 1 192.0.2.2
214
215	# Check that we see the traffic on the span interface
216	atf_check -s exit:0 \
217		$(atf_get_srcdir)/../netpfil/common/pft_ping.py \
218		--sendif ${epair}b \
219		--to 192.0.2.2 \
220		--recvif ${epair_span}b
221
222	jexec one ifconfig ${bridge} -span ${epair_span}a
223
224	# And no more traffic after we remove the span
225	atf_check -s exit:1 \
226		$(atf_get_srcdir)/../netpfil/common/pft_ping.py \
227		--sendif ${epair}b \
228		--to 192.0.2.2 \
229		--recvif ${epair_span}b
230}
231
232span_cleanup()
233{
234	vnet_cleanup
235}
236
237atf_test_case "delete_with_members" "cleanup"
238delete_with_members_head()
239{
240	atf_set descr 'Delete a bridge which still has member interfaces'
241	atf_set require.user root
242}
243
244delete_with_members_body()
245{
246	vnet_init
247
248	bridge=$(vnet_mkbridge)
249	epair=$(vnet_mkepair)
250
251	ifconfig ${bridge} 192.0.2.1/24 up
252	ifconfig ${epair}a up
253	ifconfig ${bridge} addm ${epair}a
254
255	ifconfig ${bridge} destroy
256}
257
258delete_with_members_cleanup()
259{
260	vnet_cleanup
261}
262
263atf_test_case "mac_conflict" "cleanup"
264mac_conflict_head()
265{
266	atf_set descr 'Ensure that bridges in different jails get different mac addresses'
267	atf_set require.user root
268}
269
270mac_conflict_body()
271{
272	vnet_init
273
274	epair=$(vnet_mkepair)
275
276	# Ensure the bridge module is loaded so jails can use it.
277	tmpbridge=$(vnet_mkbridge)
278
279	vnet_mkjail bridge_mac_conflict_one ${epair}a
280	vnet_mkjail bridge_mac_conflict_two ${epair}b
281
282	jexec bridge_mac_conflict_one ifconfig bridge create
283	jexec bridge_mac_conflict_one ifconfig bridge0 192.0.2.1/24 up \
284	    addm ${epair}a
285	jexec bridge_mac_conflict_one ifconfig ${epair}a up
286
287	jexec bridge_mac_conflict_two ifconfig bridge create
288	jexec bridge_mac_conflict_two ifconfig bridge0 192.0.2.2/24 up \
289	    addm ${epair}b
290	jexec bridge_mac_conflict_two ifconfig ${epair}b up
291
292	atf_check -s exit:0 -o ignore \
293	    jexec bridge_mac_conflict_one ping -c 3 192.0.2.2
294}
295
296mac_conflict_cleanup()
297{
298	vnet_cleanup
299}
300
301atf_test_case "inherit_mac" "cleanup"
302inherit_mac_head()
303{
304	atf_set descr 'Bridge inherit_mac test, #216510'
305	atf_set require.user root
306}
307
308inherit_mac_body()
309{
310	vnet_init
311
312	bridge=$(vnet_mkbridge)
313	epair=$(vnet_mkepair)
314	vnet_mkjail one ${bridge} ${epair}a
315
316	jexec one sysctl net.link.bridge.inherit_mac=1
317
318	# Attempt to provoke the panic described in #216510
319	jexec one ifconfig ${bridge} 192.0.0.1/24 up
320	jexec one ifconfig ${bridge} addm ${epair}a
321}
322
323inherit_mac_cleanup()
324{
325	vnet_cleanup
326}
327
328atf_init_test_cases()
329{
330	atf_add_test_case "bridge_transmit_ipv4_unicast"
331	atf_add_test_case "stp"
332	atf_add_test_case "static"
333	atf_add_test_case "span"
334	atf_add_test_case "inherit_mac"
335	atf_add_test_case "delete_with_members"
336	atf_add_test_case "mac_conflict"
337}
338