xref: /linux/tools/testing/selftests/net/forwarding/bridge_igmp.sh (revision 9dbbc3b9d09d6deba9f3b9e1d5b355032ed46a75) 
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4ALL_TESTS="v2reportleave_test v3include_test v3inc_allow_test v3inc_is_include_test \
5	   v3inc_is_exclude_test v3inc_to_exclude_test v3exc_allow_test v3exc_is_include_test \
6	   v3exc_is_exclude_test v3exc_to_exclude_test v3inc_block_test v3exc_block_test \
7	   v3exc_timeout_test v3star_ex_auto_add_test"
8NUM_NETIFS=4
9CHECK_TC="yes"
10TEST_GROUP="239.10.10.10"
11TEST_GROUP_MAC="01:00:5e:0a:0a:0a"
12
13ALL_GROUP="224.0.0.1"
14ALL_MAC="01:00:5e:00:00:01"
15
16# IGMPv3 is_in report: grp 239.10.10.10 is_include 192.0.2.1,192.0.2.2,192.0.2.3
17MZPKT_IS_INC="22:00:9d:de:00:00:00:01:01:00:00:03:ef:0a:0a:0a:c0:00:02:01:c0:00:02:02:c0:00:02:03"
18# IGMPv3 is_in report: grp 239.10.10.10 is_include 192.0.2.10,192.0.2.11,192.0.2.12
19MZPKT_IS_INC2="22:00:9d:c3:00:00:00:01:01:00:00:03:ef:0a:0a:0a:c0:00:02:0a:c0:00:02:0b:c0:00:02:0c"
20# IGMPv3 is_in report: grp 239.10.10.10 is_include 192.0.2.20,192.0.2.30
21MZPKT_IS_INC3="22:00:5f:b4:00:00:00:01:01:00:00:02:ef:0a:0a:0a:c0:00:02:14:c0:00:02:1e"
22# IGMPv3 allow report: grp 239.10.10.10 allow 192.0.2.10,192.0.2.11,192.0.2.12
23MZPKT_ALLOW="22:00:99:c3:00:00:00:01:05:00:00:03:ef:0a:0a:0a:c0:00:02:0a:c0:00:02:0b:c0:00:02:0c"
24# IGMPv3 allow report: grp 239.10.10.10 allow 192.0.2.20,192.0.2.30
25MZPKT_ALLOW2="22:00:5b:b4:00:00:00:01:05:00:00:02:ef:0a:0a:0a:c0:00:02:14:c0:00:02:1e"
26# IGMPv3 is_ex report: grp 239.10.10.10 is_exclude 192.0.2.1,192.0.2.2,192.0.2.20,192.0.2.21
27MZPKT_IS_EXC="22:00:da:b6:00:00:00:01:02:00:00:04:ef:0a:0a:0a:c0:00:02:01:c0:00:02:02:c0:00:02:14:c0:00:02:15"
28# IGMPv3 is_ex report: grp 239.10.10.10 is_exclude 192.0.2.20,192.0.2.30
29MZPKT_IS_EXC2="22:00:5e:b4:00:00:00:01:02:00:00:02:ef:0a:0a:0a:c0:00:02:14:c0:00:02:1e"
30# IGMPv3 to_ex report: grp 239.10.10.10 to_exclude 192.0.2.1,192.0.2.20,192.0.2.30
31MZPKT_TO_EXC="22:00:9a:b1:00:00:00:01:04:00:00:03:ef:0a:0a:0a:c0:00:02:01:c0:00:02:14:c0:00:02:1e"
32# IGMPv3 block report: grp 239.10.10.10 block 192.0.2.1,192.0.2.20,192.0.2.30
33MZPKT_BLOCK="22:00:98:b1:00:00:00:01:06:00:00:03:ef:0a:0a:0a:c0:00:02:01:c0:00:02:14:c0:00:02:1e"
34
35source lib.sh
36
37h1_create()
38{
39	simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64
40}
41
42h1_destroy()
43{
44	simple_if_fini $h1 192.0.2.1/24 2001:db8:1::1/64
45}
46
47h2_create()
48{
49	simple_if_init $h2 192.0.2.2/24 2001:db8:1::2/64
50}
51
52h2_destroy()
53{
54	simple_if_fini $h2 192.0.2.2/24 2001:db8:1::2/64
55}
56
57switch_create()
58{
59	ip link add dev br0 type bridge mcast_snooping 1 mcast_querier 1
60
61	ip link set dev $swp1 master br0
62	ip link set dev $swp2 master br0
63
64	ip link set dev br0 up
65	ip link set dev $swp1 up
66	ip link set dev $swp2 up
67}
68
69switch_destroy()
70{
71	ip link set dev $swp2 down
72	ip link set dev $swp1 down
73
74	ip link del dev br0
75}
76
77setup_prepare()
78{
79	h1=${NETIFS[p1]}
80	swp1=${NETIFS[p2]}
81
82	swp2=${NETIFS[p3]}
83	h2=${NETIFS[p4]}
84
85	vrf_prepare
86
87	h1_create
88	h2_create
89
90	switch_create
91}
92
93cleanup()
94{
95	pre_cleanup
96
97	switch_destroy
98
99	# Always cleanup the mcast group
100	ip address del dev $h2 $TEST_GROUP/32 2>&1 1>/dev/null
101
102	h2_destroy
103	h1_destroy
104
105	vrf_cleanup
106}
107
108v2reportleave_test()
109{
110	RET=0
111	ip address add dev $h2 $TEST_GROUP/32 autojoin
112	check_err $? "Could not join $TEST_GROUP"
113
114	sleep 5
115	bridge mdb show dev br0 | grep $TEST_GROUP 1>/dev/null
116	check_err $? "IGMPv2 report didn't create mdb entry for $TEST_GROUP"
117
118	mcast_packet_test $TEST_GROUP_MAC 192.0.2.1 $TEST_GROUP $h1 $h2
119	check_fail $? "Traffic to $TEST_GROUP wasn't forwarded"
120
121	log_test "IGMPv2 report $TEST_GROUP"
122
123	RET=0
124	bridge mdb show dev br0 | grep $TEST_GROUP 1>/dev/null
125	check_err $? "mdb entry for $TEST_GROUP is missing"
126
127	ip address del dev $h2 $TEST_GROUP/32
128	check_err $? "Could not leave $TEST_GROUP"
129
130	sleep 5
131	bridge mdb show dev br0 | grep $TEST_GROUP 1>/dev/null
132	check_fail $? "Leave didn't delete mdb entry for $TEST_GROUP"
133
134	mcast_packet_test $TEST_GROUP_MAC 192.0.2.1 $TEST_GROUP $h1 $h2
135	check_err $? "Traffic to $TEST_GROUP was forwarded without mdb entry"
136
137	log_test "IGMPv2 leave $TEST_GROUP"
138}
139
140v3include_prepare()
141{
142	local host1_if=$1
143	local mac=$2
144	local group=$3
145	local X=("192.0.2.1" "192.0.2.2" "192.0.2.3")
146
147	ip link set dev br0 type bridge mcast_igmp_version 3
148	check_err $? "Could not change bridge IGMP version to 3"
149
150	$MZ $host1_if -b $mac -c 1 -B $group -t ip "proto=2,p=$MZPKT_IS_INC" -q
151	sleep 1
152	bridge -j -d -s mdb show dev br0 \
153		| jq -e ".[].mdb[] | \
154			 select(.grp == \"$TEST_GROUP\" and .source_list != null)" &>/dev/null
155	check_err $? "Missing *,G entry with source list"
156	bridge -j -d -s mdb show dev br0 \
157		| jq -e ".[].mdb[] | \
158			 select(.grp == \"$TEST_GROUP\" and \
159				.source_list != null and .filter_mode == \"include\")" &>/dev/null
160	check_err $? "Wrong *,G entry filter mode"
161	brmcast_check_sg_entries "is_include" "${X[@]}"
162}
163
164v3exclude_prepare()
165{
166	local host1_if=$1
167	local mac=$2
168	local group=$3
169	local pkt=$4
170	local X=("192.0.2.1" "192.0.2.2")
171	local Y=("192.0.2.20" "192.0.2.21")
172
173	v3include_prepare $host1_if $mac $group
174
175	$MZ $host1_if -c 1 -b $mac -B $group -t ip "proto=2,p=$MZPKT_IS_EXC" -q
176	sleep 1
177	bridge -j -d -s mdb show dev br0 \
178		| jq -e ".[].mdb[] | \
179			 select(.grp == \"$TEST_GROUP\" and \
180				.source_list != null and .filter_mode == \"exclude\")" &>/dev/null
181	check_err $? "Wrong *,G entry filter mode"
182
183	brmcast_check_sg_entries "is_exclude" "${X[@]}" "${Y[@]}"
184
185	brmcast_check_sg_state 0 "${X[@]}"
186	brmcast_check_sg_state 1 "${Y[@]}"
187
188	bridge -j -d -s mdb show dev br0 \
189		| jq -e ".[].mdb[] | \
190			 select(.grp == \"$TEST_GROUP\" and \
191				.source_list != null and
192				.source_list[].address == \"192.0.2.3\")" &>/dev/null
193	check_fail $? "Wrong *,G entry source list, 192.0.2.3 entry still exists"
194}
195
196v3cleanup()
197{
198	local port=$1
199	local group=$2
200
201	bridge mdb del dev br0 port $port grp $group
202	ip link set dev br0 type bridge mcast_igmp_version 2
203}
204
205v3include_test()
206{
207	RET=0
208	local X=("192.0.2.1" "192.0.2.2" "192.0.2.3")
209
210	v3include_prepare $h1 $ALL_MAC $ALL_GROUP
211
212	brmcast_check_sg_state 0 "${X[@]}"
213
214	brmcast_check_sg_fwding 1 "${X[@]}"
215	brmcast_check_sg_fwding 0 "192.0.2.100"
216
217	log_test "IGMPv3 report $TEST_GROUP is_include"
218
219	v3cleanup $swp1 $TEST_GROUP
220}
221
222v3inc_allow_test()
223{
224	RET=0
225	local X=("192.0.2.10" "192.0.2.11" "192.0.2.12")
226
227	v3include_prepare $h1 $ALL_MAC $ALL_GROUP
228
229	$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_ALLOW" -q
230	sleep 1
231	brmcast_check_sg_entries "allow" "${X[@]}"
232
233	brmcast_check_sg_state 0 "${X[@]}"
234
235	brmcast_check_sg_fwding 1 "${X[@]}"
236	brmcast_check_sg_fwding 0 "192.0.2.100"
237
238	log_test "IGMPv3 report $TEST_GROUP include -> allow"
239
240	v3cleanup $swp1 $TEST_GROUP
241}
242
243v3inc_is_include_test()
244{
245	RET=0
246	local X=("192.0.2.10" "192.0.2.11" "192.0.2.12")
247
248	v3include_prepare $h1 $ALL_MAC $ALL_GROUP
249
250	$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_IS_INC2" -q
251	sleep 1
252	brmcast_check_sg_entries "is_include" "${X[@]}"
253
254	brmcast_check_sg_state 0 "${X[@]}"
255
256	brmcast_check_sg_fwding 1 "${X[@]}"
257	brmcast_check_sg_fwding 0 "192.0.2.100"
258
259	log_test "IGMPv3 report $TEST_GROUP include -> is_include"
260
261	v3cleanup $swp1 $TEST_GROUP
262}
263
264v3inc_is_exclude_test()
265{
266	RET=0
267
268	v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
269
270	brmcast_check_sg_fwding 1 "${X[@]}" 192.0.2.100
271	brmcast_check_sg_fwding 0 "${Y[@]}"
272
273	log_test "IGMPv3 report $TEST_GROUP include -> is_exclude"
274
275	v3cleanup $swp1 $TEST_GROUP
276}
277
278v3inc_to_exclude_test()
279{
280	RET=0
281	local X=("192.0.2.1")
282	local Y=("192.0.2.20" "192.0.2.30")
283
284	v3include_prepare $h1 $ALL_MAC $ALL_GROUP
285
286	ip link set dev br0 type bridge mcast_last_member_interval 500
287	check_err $? "Could not change mcast_last_member_interval to 5s"
288
289	$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_TO_EXC" -q
290	sleep 1
291	bridge -j -d -s mdb show dev br0 \
292		| jq -e ".[].mdb[] | \
293			 select(.grp == \"$TEST_GROUP\" and \
294				.source_list != null and .filter_mode == \"exclude\")" &>/dev/null
295	check_err $? "Wrong *,G entry filter mode"
296
297	brmcast_check_sg_entries "to_exclude" "${X[@]}" "${Y[@]}"
298
299	brmcast_check_sg_state 0 "${X[@]}"
300	brmcast_check_sg_state 1 "${Y[@]}"
301
302	bridge -j -d -s mdb show dev br0 \
303		| jq -e ".[].mdb[] | \
304			 select(.grp == \"$TEST_GROUP\" and \
305				.source_list != null and
306				.source_list[].address == \"192.0.2.2\")" &>/dev/null
307	check_fail $? "Wrong *,G entry source list, 192.0.2.2 entry still exists"
308	bridge -j -d -s mdb show dev br0 \
309		| jq -e ".[].mdb[] | \
310			 select(.grp == \"$TEST_GROUP\" and \
311				.source_list != null and
312				.source_list[].address == \"192.0.2.21\")" &>/dev/null
313	check_fail $? "Wrong *,G entry source list, 192.0.2.21 entry still exists"
314
315	brmcast_check_sg_fwding 1 "${X[@]}" 192.0.2.100
316	brmcast_check_sg_fwding 0 "${Y[@]}"
317
318	log_test "IGMPv3 report $TEST_GROUP include -> to_exclude"
319
320	ip link set dev br0 type bridge mcast_last_member_interval 100
321
322	v3cleanup $swp1 $TEST_GROUP
323}
324
325v3exc_allow_test()
326{
327	RET=0
328	local X=("192.0.2.1" "192.0.2.2" "192.0.2.20" "192.0.2.30")
329	local Y=("192.0.2.21")
330
331	v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
332
333	$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_ALLOW2" -q
334	sleep 1
335	brmcast_check_sg_entries "allow" "${X[@]}" "${Y[@]}"
336
337	brmcast_check_sg_state 0 "${X[@]}"
338	brmcast_check_sg_state 1 "${Y[@]}"
339
340	brmcast_check_sg_fwding 1 "${X[@]}" 192.0.2.100
341	brmcast_check_sg_fwding 0 "${Y[@]}"
342
343	log_test "IGMPv3 report $TEST_GROUP exclude -> allow"
344
345	v3cleanup $swp1 $TEST_GROUP
346}
347
348v3exc_is_include_test()
349{
350	RET=0
351	local X=("192.0.2.1" "192.0.2.2" "192.0.2.20" "192.0.2.30")
352	local Y=("192.0.2.21")
353
354	v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
355
356	$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_IS_INC3" -q
357	sleep 1
358	brmcast_check_sg_entries "is_include" "${X[@]}" "${Y[@]}"
359
360	brmcast_check_sg_state 0 "${X[@]}"
361	brmcast_check_sg_state 1 "${Y[@]}"
362
363	brmcast_check_sg_fwding 1 "${X[@]}" 192.0.2.100
364	brmcast_check_sg_fwding 0 "${Y[@]}"
365
366	log_test "IGMPv3 report $TEST_GROUP exclude -> is_include"
367
368	v3cleanup $swp1 $TEST_GROUP
369}
370
371v3exc_is_exclude_test()
372{
373	RET=0
374	local X=("192.0.2.30")
375	local Y=("192.0.2.20")
376
377	v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
378
379	$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_IS_EXC2" -q
380	sleep 1
381	brmcast_check_sg_entries "is_exclude" "${X[@]}" "${Y[@]}"
382
383	brmcast_check_sg_state 0 "${X[@]}"
384	brmcast_check_sg_state 1 "${Y[@]}"
385
386	brmcast_check_sg_fwding 1 "${X[@]}" 192.0.2.100
387	brmcast_check_sg_fwding 0 "${Y[@]}"
388
389	log_test "IGMPv3 report $TEST_GROUP exclude -> is_exclude"
390
391	v3cleanup $swp1 $TEST_GROUP
392}
393
394v3exc_to_exclude_test()
395{
396	RET=0
397	local X=("192.0.2.1" "192.0.2.30")
398	local Y=("192.0.2.20")
399
400	v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
401
402	ip link set dev br0 type bridge mcast_last_member_interval 500
403	check_err $? "Could not change mcast_last_member_interval to 5s"
404
405	$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_TO_EXC" -q
406	sleep 1
407	brmcast_check_sg_entries "to_exclude" "${X[@]}" "${Y[@]}"
408
409	brmcast_check_sg_state 0 "${X[@]}"
410	brmcast_check_sg_state 1 "${Y[@]}"
411
412	brmcast_check_sg_fwding 1 "${X[@]}" 192.0.2.100
413	brmcast_check_sg_fwding 0 "${Y[@]}"
414
415	log_test "IGMPv3 report $TEST_GROUP exclude -> to_exclude"
416
417	ip link set dev br0 type bridge mcast_last_member_interval 100
418
419	v3cleanup $swp1 $TEST_GROUP
420}
421
422v3inc_block_test()
423{
424	RET=0
425	local X=("192.0.2.2" "192.0.2.3")
426
427	v3include_prepare $h1 $ALL_MAC $ALL_GROUP
428
429	$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_BLOCK" -q
430	# make sure the lowered timers have expired (by default 2 seconds)
431	sleep 3
432	brmcast_check_sg_entries "block" "${X[@]}"
433
434	brmcast_check_sg_state 0 "${X[@]}"
435
436	bridge -j -d -s mdb show dev br0 \
437		| jq -e ".[].mdb[] | \
438			 select(.grp == \"$TEST_GROUP\" and \
439				.source_list != null and
440				.source_list[].address == \"192.0.2.1\")" &>/dev/null
441	check_fail $? "Wrong *,G entry source list, 192.0.2.1 entry still exists"
442
443	brmcast_check_sg_fwding 1 "${X[@]}"
444	brmcast_check_sg_fwding 0 "192.0.2.100"
445
446	log_test "IGMPv3 report $TEST_GROUP include -> block"
447
448	v3cleanup $swp1 $TEST_GROUP
449}
450
451v3exc_block_test()
452{
453	RET=0
454	local X=("192.0.2.1" "192.0.2.2" "192.0.2.30")
455	local Y=("192.0.2.20" "192.0.2.21")
456
457	v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
458
459	ip link set dev br0 type bridge mcast_last_member_interval 500
460	check_err $? "Could not change mcast_last_member_interval to 5s"
461
462	$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_BLOCK" -q
463	sleep 1
464	brmcast_check_sg_entries "block" "${X[@]}" "${Y[@]}"
465
466	brmcast_check_sg_state 0 "${X[@]}"
467	brmcast_check_sg_state 1 "${Y[@]}"
468
469	brmcast_check_sg_fwding 1 "${X[@]}" 192.0.2.100
470	brmcast_check_sg_fwding 0 "${Y[@]}"
471
472	log_test "IGMPv3 report $TEST_GROUP exclude -> block"
473
474	ip link set dev br0 type bridge mcast_last_member_interval 100
475
476	v3cleanup $swp1 $TEST_GROUP
477}
478
479v3exc_timeout_test()
480{
481	RET=0
482	local X=("192.0.2.20" "192.0.2.30")
483
484	# GMI should be 3 seconds
485	ip link set dev br0 type bridge mcast_query_interval 100 mcast_query_response_interval 100
486
487	v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
488	ip link set dev br0 type bridge mcast_query_interval 500 mcast_query_response_interval 500
489	$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_ALLOW2" -q
490	sleep 3
491	bridge -j -d -s mdb show dev br0 \
492		| jq -e ".[].mdb[] | \
493			 select(.grp == \"$TEST_GROUP\" and \
494				.source_list != null and .filter_mode == \"include\")" &>/dev/null
495	check_err $? "Wrong *,G entry filter mode"
496
497	bridge -j -d -s mdb show dev br0 \
498		| jq -e ".[].mdb[] | \
499			 select(.grp == \"$TEST_GROUP\" and \
500				.source_list != null and
501				.source_list[].address == \"192.0.2.1\")" &>/dev/null
502	check_fail $? "Wrong *,G entry source list, 192.0.2.1 entry still exists"
503	bridge -j -d -s mdb show dev br0 \
504		| jq -e ".[].mdb[] | \
505			 select(.grp == \"$TEST_GROUP\" and \
506				.source_list != null and
507				.source_list[].address == \"192.0.2.2\")" &>/dev/null
508	check_fail $? "Wrong *,G entry source list, 192.0.2.2 entry still exists"
509
510	brmcast_check_sg_entries "allow" "${X[@]}"
511
512	brmcast_check_sg_state 0 "${X[@]}"
513
514	brmcast_check_sg_fwding 1 "${X[@]}"
515	brmcast_check_sg_fwding 0 192.0.2.100
516
517	log_test "IGMPv3 group $TEST_GROUP exclude timeout"
518
519	ip link set dev br0 type bridge mcast_query_interval 12500 \
520					mcast_query_response_interval 1000
521
522	v3cleanup $swp1 $TEST_GROUP
523}
524
525v3star_ex_auto_add_test()
526{
527	RET=0
528
529	v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
530
531	$MZ $h2 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_IS_INC" -q
532	sleep 1
533	bridge -j -d -s mdb show dev br0 \
534		| jq -e ".[].mdb[] | \
535			 select(.grp == \"$TEST_GROUP\" and .src == \"192.0.2.3\" and \
536				.port == \"$swp1\")" &>/dev/null
537	check_err $? "S,G entry for *,G port doesn't exist"
538
539	bridge -j -d -s mdb show dev br0 \
540		| jq -e ".[].mdb[] | \
541			 select(.grp == \"$TEST_GROUP\" and .src == \"192.0.2.3\" and \
542				.port == \"$swp1\" and \
543				.flags[] == \"added_by_star_ex\")" &>/dev/null
544	check_err $? "Auto-added S,G entry doesn't have added_by_star_ex flag"
545
546	brmcast_check_sg_fwding 1 192.0.2.3
547
548	log_test "IGMPv3 S,G port entry automatic add to a *,G port"
549
550	v3cleanup $swp1 $TEST_GROUP
551	v3cleanup $swp2 $TEST_GROUP
552}
553
554trap cleanup EXIT
555
556setup_prepare
557setup_wait
558
559tests_run
560
561exit $EXIT_STATUS
562