xref: /linux/tools/testing/selftests/net/forwarding/bridge_vlan_mcast.sh (revision 9f2c9170934eace462499ba0bfe042cc72900173)
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4ALL_TESTS="vlmc_control_test vlmc_querier_test vlmc_igmp_mld_version_test \
5	   vlmc_last_member_test vlmc_startup_query_test vlmc_membership_test \
6	   vlmc_querier_intvl_test vlmc_query_intvl_test vlmc_query_response_intvl_test \
7	   vlmc_router_port_test vlmc_filtering_test"
8NUM_NETIFS=4
9CHECK_TC="yes"
10TEST_GROUP="239.10.10.10"
11
12source lib.sh
13
14h1_create()
15{
16	simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64
17	ip link add l $h1 $h1.10 up type vlan id 10
18}
19
20h1_destroy()
21{
22	ip link del $h1.10
23	simple_if_fini $h1 192.0.2.1/24 2001:db8:1::1/64
24}
25
26h2_create()
27{
28	simple_if_init $h2 192.0.2.2/24 2001:db8:1::2/64
29	ip link add l $h2 $h2.10 up type vlan id 10
30}
31
32h2_destroy()
33{
34	ip link del $h2.10
35	simple_if_fini $h2 192.0.2.2/24 2001:db8:1::2/64
36}
37
38switch_create()
39{
40	ip link add dev br0 type bridge mcast_snooping 1 mcast_querier 1 vlan_filtering 1
41
42	ip link set dev $swp1 master br0
43	ip link set dev $swp2 master br0
44
45	ip link set dev br0 up
46	ip link set dev $swp1 up
47	ip link set dev $swp2 up
48
49	tc qdisc add dev $swp1 clsact
50	tc qdisc add dev $swp2 clsact
51
52	bridge vlan add vid 10-11 dev $swp1 master
53	bridge vlan add vid 10-11 dev $swp2 master
54
55	ip link set dev br0 type bridge mcast_vlan_snooping 1
56	check_err $? "Could not enable global vlan multicast snooping"
57	log_test "Vlan multicast snooping enable"
58}
59
60switch_destroy()
61{
62	tc qdisc del dev $swp2 clsact
63	tc qdisc del dev $swp1 clsact
64
65	ip link set dev $swp2 down
66	ip link set dev $swp1 down
67
68	ip link del dev br0
69}
70
71setup_prepare()
72{
73	h1=${NETIFS[p1]}
74	swp1=${NETIFS[p2]}
75
76	swp2=${NETIFS[p3]}
77	h2=${NETIFS[p4]}
78
79	vrf_prepare
80
81	h1_create
82	h2_create
83
84	switch_create
85}
86
87cleanup()
88{
89	pre_cleanup
90
91	switch_destroy
92
93	h2_destroy
94	h1_destroy
95
96	vrf_cleanup
97}
98
99vlmc_v2join_test()
100{
101	local expect=$1
102
103	RET=0
104	ip address add dev $h2.10 $TEST_GROUP/32 autojoin
105	check_err $? "Could not join $TEST_GROUP"
106
107	sleep 5
108	bridge -j mdb show dev br0 |
109		jq -e ".[].mdb[] | select(.grp == \"$TEST_GROUP\" and .vid == 10)" &>/dev/null
110	if [ $expect -eq 0 ]; then
111		check_err $? "IGMPv2 report didn't create mdb entry for $TEST_GROUP"
112	else
113		check_fail $? "IGMPv2 report shouldn't have created mdb entry for $TEST_GROUP"
114	fi
115
116	# check if we need to cleanup
117	if [ $RET -eq 0 ]; then
118		ip address del dev $h2.10 $TEST_GROUP/32 2>&1 1>/dev/null
119		sleep 5
120		bridge -j mdb show dev br0 |
121			jq -e ".[].mdb[] | select(.grp == \"$TEST_GROUP\" and \
122						  .vid == 10)" &>/dev/null
123		check_fail $? "IGMPv2 leave didn't remove mdb entry for $TEST_GROUP"
124	fi
125}
126
127vlmc_control_test()
128{
129	RET=0
130	local goutput=`bridge -j vlan global show`
131	echo -n $goutput |
132		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
133	check_err $? "Could not find vlan 10's global options"
134	log_test "Vlan global options existence"
135
136	RET=0
137	echo -n $goutput |
138		jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_snooping == 1) " &>/dev/null
139	check_err $? "Wrong default mcast_snooping global option value"
140	log_test "Vlan mcast_snooping global option default value"
141
142	RET=0
143	vlmc_v2join_test 0
144	bridge vlan global set vid 10 dev br0 mcast_snooping 0
145	check_err $? "Could not disable multicast snooping in vlan 10"
146	vlmc_v2join_test 1
147	log_test "Vlan 10 multicast snooping control"
148}
149
150# setup for general query counting
151vlmc_query_cnt_xstats()
152{
153	local type=$1
154	local version=$2
155	local dev=$3
156
157	ip -j link xstats type bridge_slave dev $dev | \
158	jq -e ".[].multicast.${type}_queries.tx_v${version}"
159}
160
161vlmc_query_cnt_setup()
162{
163	local type=$1
164	local dev=$2
165
166	if [[ $type == "igmp" ]]; then
167		tc filter add dev $dev egress pref 10 prot 802.1Q \
168			flower vlan_id 10 vlan_ethtype ipv4 dst_ip 224.0.0.1 ip_proto 2 \
169			action pass
170	else
171		tc filter add dev $dev egress pref 10 prot 802.1Q \
172			flower vlan_id 10 vlan_ethtype ipv6 dst_ip ff02::1 ip_proto icmpv6 \
173			action pass
174	fi
175
176	ip link set dev br0 type bridge mcast_stats_enabled 1
177}
178
179vlmc_query_cnt_cleanup()
180{
181	local dev=$1
182
183	ip link set dev br0 type bridge mcast_stats_enabled 0
184	tc filter del dev $dev egress pref 10
185}
186
187vlmc_check_query()
188{
189	local type=$1
190	local version=$2
191	local dev=$3
192	local expect=$4
193	local time=$5
194	local ret=0
195
196	vlmc_query_cnt_setup $type $dev
197
198	local pre_tx_xstats=$(vlmc_query_cnt_xstats $type $version $dev)
199	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1
200	ret=$?
201	if [[ $ret -eq 0 ]]; then
202		sleep $time
203
204		local tcstats=$(tc_rule_stats_get $dev 10 egress)
205		local post_tx_xstats=$(vlmc_query_cnt_xstats $type $version $dev)
206
207		if [[ $tcstats != $expect || \
208		      $(($post_tx_xstats-$pre_tx_xstats)) != $expect || \
209		      $tcstats != $(($post_tx_xstats-$pre_tx_xstats)) ]]; then
210			ret=1
211		fi
212	fi
213
214	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 0
215	vlmc_query_cnt_cleanup $dev
216
217	return $ret
218}
219
220vlmc_querier_test()
221{
222	RET=0
223	local goutput=`bridge -j vlan global show`
224	echo -n $goutput |
225		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
226	check_err $? "Could not find vlan 10's global options"
227
228	echo -n $goutput |
229		jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_querier == 0) " &>/dev/null
230	check_err $? "Wrong default mcast_querier global vlan option value"
231	log_test "Vlan mcast_querier global option default value"
232
233	RET=0
234	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1
235	check_err $? "Could not enable querier in vlan 10"
236	log_test "Vlan 10 multicast querier enable"
237	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 0
238
239	RET=0
240	vlmc_check_query igmp 2 $swp1 1 1
241	check_err $? "No vlan tagged IGMPv2 general query packets sent"
242	log_test "Vlan 10 tagged IGMPv2 general query sent"
243
244	RET=0
245	vlmc_check_query mld 1 $swp1 1 1
246	check_err $? "No vlan tagged MLD general query packets sent"
247	log_test "Vlan 10 tagged MLD general query sent"
248}
249
250vlmc_igmp_mld_version_test()
251{
252	RET=0
253	local goutput=`bridge -j vlan global show`
254	echo -n $goutput |
255		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
256	check_err $? "Could not find vlan 10's global options"
257
258	echo -n $goutput |
259		jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_igmp_version == 2) " &>/dev/null
260	check_err $? "Wrong default mcast_igmp_version global vlan option value"
261	log_test "Vlan mcast_igmp_version global option default value"
262
263	RET=0
264	echo -n $goutput |
265		jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_mld_version == 1) " &>/dev/null
266	check_err $? "Wrong default mcast_mld_version global vlan option value"
267	log_test "Vlan mcast_mld_version global option default value"
268
269	RET=0
270	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_igmp_version 3
271	check_err $? "Could not set mcast_igmp_version in vlan 10"
272	log_test "Vlan 10 mcast_igmp_version option changed to 3"
273
274	RET=0
275	vlmc_check_query igmp 3 $swp1 1 1
276	check_err $? "No vlan tagged IGMPv3 general query packets sent"
277	log_test "Vlan 10 tagged IGMPv3 general query sent"
278
279	RET=0
280	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_mld_version 2
281	check_err $? "Could not set mcast_mld_version in vlan 10"
282	log_test "Vlan 10 mcast_mld_version option changed to 2"
283
284	RET=0
285	vlmc_check_query mld 2 $swp1 1 1
286	check_err $? "No vlan tagged MLDv2 general query packets sent"
287	log_test "Vlan 10 tagged MLDv2 general query sent"
288
289	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_igmp_version 2
290	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_mld_version 1
291}
292
293vlmc_last_member_test()
294{
295	RET=0
296	local goutput=`bridge -j vlan global show`
297	echo -n $goutput |
298		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
299	check_err $? "Could not find vlan 10's global options"
300
301	echo -n $goutput |
302		jq -e ".[].vlans[] | select(.vlan == 10 and \
303					    .mcast_last_member_count == 2) " &>/dev/null
304	check_err $? "Wrong default mcast_last_member_count global vlan option value"
305	log_test "Vlan mcast_last_member_count global option default value"
306
307	RET=0
308	echo -n $goutput |
309		jq -e ".[].vlans[] | select(.vlan == 10 and \
310					    .mcast_last_member_interval == 100) " &>/dev/null
311	check_err $? "Wrong default mcast_last_member_interval global vlan option value"
312	log_test "Vlan mcast_last_member_interval global option default value"
313
314	RET=0
315	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_count 3
316	check_err $? "Could not set mcast_last_member_count in vlan 10"
317	log_test "Vlan 10 mcast_last_member_count option changed to 3"
318	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_count 2
319
320	RET=0
321	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_interval 200
322	check_err $? "Could not set mcast_last_member_interval in vlan 10"
323	log_test "Vlan 10 mcast_last_member_interval option changed to 200"
324	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_interval 100
325}
326
327vlmc_startup_query_test()
328{
329	RET=0
330	local goutput=`bridge -j vlan global show`
331	echo -n $goutput |
332		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
333	check_err $? "Could not find vlan 10's global options"
334
335	echo -n $goutput |
336		jq -e ".[].vlans[] | select(.vlan == 10 and \
337					    .mcast_startup_query_interval == 3125) " &>/dev/null
338	check_err $? "Wrong default mcast_startup_query_interval global vlan option value"
339	log_test "Vlan mcast_startup_query_interval global option default value"
340
341	RET=0
342	echo -n $goutput |
343		jq -e ".[].vlans[] | select(.vlan == 10 and \
344					    .mcast_startup_query_count == 2) " &>/dev/null
345	check_err $? "Wrong default mcast_startup_query_count global vlan option value"
346	log_test "Vlan mcast_startup_query_count global option default value"
347
348	RET=0
349	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_interval 100
350	check_err $? "Could not set mcast_startup_query_interval in vlan 10"
351	vlmc_check_query igmp 2 $swp1 2 3
352	check_err $? "Wrong number of tagged IGMPv2 general queries sent"
353	log_test "Vlan 10 mcast_startup_query_interval option changed to 100"
354
355	RET=0
356	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 3
357	check_err $? "Could not set mcast_startup_query_count in vlan 10"
358	vlmc_check_query igmp 2 $swp1 3 4
359	check_err $? "Wrong number of tagged IGMPv2 general queries sent"
360	log_test "Vlan 10 mcast_startup_query_count option changed to 3"
361
362	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_interval 3125
363	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 2
364}
365
366vlmc_membership_test()
367{
368	RET=0
369	local goutput=`bridge -j vlan global show`
370	echo -n $goutput |
371		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
372	check_err $? "Could not find vlan 10's global options"
373
374	echo -n $goutput |
375		jq -e ".[].vlans[] | select(.vlan == 10 and \
376					    .mcast_membership_interval == 26000) " &>/dev/null
377	check_err $? "Wrong default mcast_membership_interval global vlan option value"
378	log_test "Vlan mcast_membership_interval global option default value"
379
380	RET=0
381	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_membership_interval 200
382	check_err $? "Could not set mcast_membership_interval in vlan 10"
383	log_test "Vlan 10 mcast_membership_interval option changed to 200"
384
385	RET=0
386	vlmc_v2join_test 1
387	log_test "Vlan 10 mcast_membership_interval mdb entry expire"
388
389	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_membership_interval 26000
390}
391
392vlmc_querier_intvl_test()
393{
394	RET=0
395	local goutput=`bridge -j vlan global show`
396	echo -n $goutput |
397		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
398	check_err $? "Could not find vlan 10's global options"
399
400	echo -n $goutput |
401		jq -e ".[].vlans[] | select(.vlan == 10 and \
402					    .mcast_querier_interval == 25500) " &>/dev/null
403	check_err $? "Wrong default mcast_querier_interval global vlan option value"
404	log_test "Vlan mcast_querier_interval global option default value"
405
406	RET=0
407	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier_interval 100
408	check_err $? "Could not set mcast_querier_interval in vlan 10"
409	log_test "Vlan 10 mcast_querier_interval option changed to 100"
410
411	RET=0
412	ip link add dev br1 type bridge mcast_snooping 1 mcast_querier 1 vlan_filtering 1 \
413					mcast_vlan_snooping 1
414	bridge vlan add vid 10 dev br1 self pvid untagged
415	ip link set dev $h1 master br1
416	ip link set dev br1 up
417	bridge vlan add vid 10 dev $h1 master
418	bridge vlan global set vid 10 dev br1 mcast_snooping 1 mcast_querier 1
419	sleep 2
420	ip link del dev br1
421	ip addr replace 2001:db8:1::1/64 dev $h1
422	vlmc_check_query igmp 2 $swp1 1 1
423	check_err $? "Wrong number of IGMPv2 general queries after querier interval"
424	log_test "Vlan 10 mcast_querier_interval expire after outside query"
425
426	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier_interval 25500
427}
428
429vlmc_query_intvl_test()
430{
431	RET=0
432	local goutput=`bridge -j vlan global show`
433	echo -n $goutput |
434		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
435	check_err $? "Could not find vlan 10's global options"
436
437	echo -n $goutput |
438		jq -e ".[].vlans[] | select(.vlan == 10 and \
439					    .mcast_query_interval == 12500) " &>/dev/null
440	check_err $? "Wrong default mcast_query_interval global vlan option value"
441	log_test "Vlan mcast_query_interval global option default value"
442
443	RET=0
444	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 0
445	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_interval 200
446	check_err $? "Could not set mcast_query_interval in vlan 10"
447	# 1 is sent immediately, then 2 more in the next 5 seconds
448	vlmc_check_query igmp 2 $swp1 3 5
449	check_err $? "Wrong number of tagged IGMPv2 general queries sent"
450	log_test "Vlan 10 mcast_query_interval option changed to 200"
451
452	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 2
453	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_interval 12500
454}
455
456vlmc_query_response_intvl_test()
457{
458	RET=0
459	local goutput=`bridge -j vlan global show`
460	echo -n $goutput |
461		jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
462	check_err $? "Could not find vlan 10's global options"
463
464	echo -n $goutput |
465		jq -e ".[].vlans[] | select(.vlan == 10 and \
466					    .mcast_query_response_interval == 1000) " &>/dev/null
467	check_err $? "Wrong default mcast_query_response_interval global vlan option value"
468	log_test "Vlan mcast_query_response_interval global option default value"
469
470	RET=0
471	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 200
472	check_err $? "Could not set mcast_query_response_interval in vlan 10"
473	log_test "Vlan 10 mcast_query_response_interval option changed to 200"
474
475	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 1000
476}
477
478vlmc_router_port_test()
479{
480	RET=0
481	local goutput=`bridge -j -d vlan show`
482	echo -n $goutput |
483		jq -e ".[] | select(.ifname == \"$swp1\" and \
484				    .vlans[].vlan == 10)" &>/dev/null
485	check_err $? "Could not find port vlan 10's options"
486
487	echo -n $goutput |
488		jq -e ".[] | select(.ifname == \"$swp1\" and \
489				    .vlans[].vlan == 10 and \
490				    .vlans[].mcast_router == 1)" &>/dev/null
491	check_err $? "Wrong default port mcast_router option value"
492	log_test "Port vlan 10 option mcast_router default value"
493
494	RET=0
495	bridge vlan set vid 10 dev $swp1 mcast_router 2
496	check_err $? "Could not set port vlan 10's mcast_router option"
497	log_test "Port vlan 10 mcast_router option changed to 2"
498
499	RET=0
500	tc filter add dev $swp1 egress pref 10 prot 802.1Q \
501		flower vlan_id 10 vlan_ethtype ipv4 dst_ip 239.1.1.1 ip_proto udp action pass
502	tc filter add dev $swp2 egress pref 10 prot 802.1Q \
503		flower vlan_id 10 vlan_ethtype ipv4 dst_ip 239.1.1.1 ip_proto udp action pass
504	bridge vlan set vid 10 dev $swp2 mcast_router 0
505	# we need to enable querier and disable query response interval to
506	# make sure packets are flooded only to router ports
507	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1 \
508					      mcast_query_response_interval 0
509	bridge vlan add vid 10 dev br0 self
510	sleep 1
511	mausezahn br0 -Q 10 -c 10 -p 128 -b 01:00:5e:01:01:01 -B 239.1.1.1 \
512			-t udp "dp=1024" &>/dev/null
513	local swp1_tcstats=$(tc_rule_stats_get $swp1 10 egress)
514	if [[ $swp1_tcstats != 10 ]]; then
515		check_err 1 "Wrong number of vlan 10 multicast packets flooded"
516	fi
517	local swp2_tcstats=$(tc_rule_stats_get $swp2 10 egress)
518	check_err $swp2_tcstats "Vlan 10 multicast packets flooded to non-router port"
519	log_test "Flood unknown vlan multicast packets to router port only"
520
521	tc filter del dev $swp2 egress pref 10
522	tc filter del dev $swp1 egress pref 10
523	bridge vlan del vid 10 dev br0 self
524	bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 1000
525	bridge vlan set vid 10 dev $swp2 mcast_router 1
526	bridge vlan set vid 10 dev $swp1 mcast_router 1
527}
528
529vlmc_filtering_test()
530{
531	RET=0
532	ip link set dev br0 type bridge vlan_filtering 0
533	ip -j -d link show dev br0 | \
534	jq -e "select(.[0].linkinfo.info_data.mcast_vlan_snooping == 1)" &>/dev/null
535	check_fail $? "Vlan filtering is disabled but multicast vlan snooping is still enabled"
536	log_test "Disable multicast vlan snooping when vlan filtering is disabled"
537}
538
539trap cleanup EXIT
540
541setup_prepare
542setup_wait
543
544tests_run
545
546exit $EXIT_STATUS
547