xref: /linux/tools/testing/selftests/net/forwarding/bridge_activity_notify.sh (revision 8a5f956a9fb7d74fff681145082acfad5afa6bb8)
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4# +-----------------------+                          +------------------------+
5# | H1 (vrf)              |                          | H2 (vrf)               |
6# | 192.0.2.1/28          |                          | 192.0.2.2/28           |
7# |    + $h1              |                          |    + $h2               |
8# +----|------------------+                          +----|-------------------+
9#      |                                                  |
10# +----|--------------------------------------------------|-------------------+
11# | SW |                                                  |                   |
12# | +--|--------------------------------------------------|-----------------+ |
13# | |  + $swp1                   BR1 (802.1d)             + $swp2           | |
14# | |                                                                       | |
15# | +-----------------------------------------------------------------------+ |
16# +---------------------------------------------------------------------------+
17
18ALL_TESTS="
19	new_inactive_test
20	existing_active_test
21	norefresh_test
22"
23
24NUM_NETIFS=4
25source lib.sh
26
27h1_create()
28{
29	adf_simple_if_init "$h1" 192.0.2.1/28
30}
31
32h2_create()
33{
34	adf_simple_if_init "$h2" 192.0.2.2/28
35}
36
37switch_create()
38{
39	adf_ip_link_add br1 type bridge vlan_filtering 0 mcast_snooping 0 \
40		ageing_time "$LOW_AGEING_TIME"
41	adf_ip_link_set_up br1
42
43	adf_ip_link_set_master "$swp1" br1
44	adf_ip_link_set_up "$swp1"
45
46	adf_ip_link_set_master "$swp2" br1
47	adf_ip_link_set_up "$swp2"
48}
49
50setup_prepare()
51{
52	h1=${NETIFS[p1]}
53	swp1=${NETIFS[p2]}
54
55	swp2=${NETIFS[p3]}
56	h2=${NETIFS[p4]}
57
58	adf_vrf_prepare
59
60	h1_create
61	h2_create
62	switch_create
63}
64
65fdb_active_wait()
66{
67	local mac=$1; shift
68
69	bridge -d fdb get "$mac" br br1 | grep -q -v "inactive"
70}
71
72fdb_inactive_wait()
73{
74	local mac=$1; shift
75
76	bridge -d fdb get "$mac" br br1 | grep -q "inactive"
77}
78
79new_inactive_test()
80{
81	local mac="00:11:22:33:44:55"
82
83	# Add a new FDB entry as static and inactive and check that it
84	# becomes active upon traffic.
85	RET=0
86
87	bridge fdb add "$mac" dev "$swp1" master static activity_notify inactive
88	bridge -d fdb get "$mac" br br1 | grep -q "inactive"
89	check_err $? "FDB entry not present as \"inactive\" when should"
90
91	$MZ "$h1" -c 1 -p 64 -a "$mac" -b bcast -t ip -q
92
93	busywait "$BUSYWAIT_TIMEOUT" fdb_active_wait "$mac"
94	check_err $? "FDB entry present as \"inactive\" when should not"
95
96	log_test "Transition from inactive to active"
97
98	bridge fdb del "$mac" dev "$swp1" master
99}
100
101existing_active_test()
102{
103	local mac="00:11:22:33:44:55"
104	local ageing_time
105
106	# Enable activity notifications on an existing dynamic FDB entry and
107	# check that it becomes inactive after the ageing time passed.
108	RET=0
109
110	bridge fdb add "$mac" dev "$swp1" master dynamic
111	bridge fdb replace "$mac" dev "$swp1" master static activity_notify norefresh
112
113	bridge -d fdb get "$mac" br br1 | grep -q "activity_notify"
114	check_err $? "FDB entry not present as \"activity_notify\" when should"
115
116	bridge -d fdb get "$mac" br br1 | grep -q "inactive"
117	check_fail $? "FDB entry present as \"inactive\" when should not"
118
119	ageing_time=$(bridge_ageing_time_get br1)
120	slowwait $((ageing_time * 2)) fdb_inactive_wait "$mac"
121	check_err $? "FDB entry not present as \"inactive\" when should"
122
123	log_test "Transition from active to inactive"
124
125	bridge fdb del "$mac" dev "$swp1" master
126}
127
128norefresh_test()
129{
130	local mac="00:11:22:33:44:55"
131	local updated_time
132
133	# Check that the "updated" time is reset when replacing an FDB entry
134	# without the "norefresh" keyword and that it is not reset when
135	# replacing with the "norefresh" keyword.
136	RET=0
137
138	bridge fdb add "$mac" dev "$swp1" master static
139	sleep 1
140
141	bridge fdb replace "$mac" dev "$swp1" master static activity_notify
142	updated_time=$(bridge -d -s -j fdb get "$mac" br br1 | jq '.[]["updated"]')
143	if [[ $updated_time -ne 0 ]]; then
144		check_err 1 "\"updated\" time was not reset when should"
145	fi
146
147	sleep 1
148	bridge fdb replace "$mac" dev "$swp1" master static norefresh
149	updated_time=$(bridge -d -s -j fdb get "$mac" br br1 | jq '.[]["updated"]')
150	if [[ $updated_time -eq 0 ]]; then
151		check_err 1 "\"updated\" time was reset when should not"
152	fi
153
154	log_test "Resetting of \"updated\" time"
155
156	bridge fdb del "$mac" dev "$swp1" master
157}
158
159if ! bridge fdb help 2>&1 | grep -q "activity_notify"; then
160	echo "SKIP: iproute2 too old, missing bridge FDB activity notification control"
161	exit "$ksft_skip"
162fi
163
164trap cleanup EXIT
165
166setup_prepare
167setup_wait
168tests_run
169
170exit "$EXIT_STATUS"
171