1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4# Test for "tc action mirred egress mirror" when the underlay route points at a
5# bridge device with vlan filtering (802.1q).
6#
7# This test uses standard topology for testing mirror-to-gretap. See
8# mirror_gre_topo_lib.sh for more details. The full topology is as follows:
9#
10#  +---------------------+                               +---------------------+
11#  | H1                  |                               |                  H2 |
12#  |     + $h1           |                               |           $h2 +     |
13#  |     | 192.0.2.1/28  |                               |  192.0.2.2/28 |     |
14#  +-----|---------------+                               +---------------|-----+
15#        |                                                               |
16#  +-----|---------------------------------------------------------------|-----+
17#  | SW  o---> mirror                                                    |     |
18#  | +---|---------------------------------------------------------------|---+ |
19#  | |   + $swp1                  + br1 (802.1q bridge)            $swp2 +   | |
20#  | |                              192.0.2.129/28                           | |
21#  | |   + $swp3                    2001:db8:2::1/64                         | |
22#  | |   | vid555                   vid555[pvid,untagged]                    | |
23#  | +---|-------------------------------------------------------------------+ |
24#  |     |                                          ^                      ^   |
25#  |     |                     + gt6 (ip6gretap)    |   + gt4 (gretap)     |   |
26#  |     |                     : loc=2001:db8:2::1  |   : loc=192.0.2.129  |   |
27#  |     |                     : rem=2001:db8:2::2 -+   : rem=192.0.2.130 -+   |
28#  |     |                     : ttl=100                : ttl=100              |
29#  |     |                     : tos=inherit            : tos=inherit          |
30#  +-----|---------------------:------------------------:----------------------+
31#        |                     :                        :
32#  +-----|---------------------:------------------------:----------------------+
33#  | H3  + $h3                 + h3-gt6(ip6gretap)      + h3-gt4 (gretap)      |
34#  |     |                       loc=2001:db8:2::2        loc=192.0.2.130      |
35#  |     + $h3.555               rem=2001:db8:2::1        rem=192.0.2.129      |
36#  |       192.0.2.130/28        ttl=100                  ttl=100              |
37#  |       2001:db8:2::2/64      tos=inherit              tos=inherit          |
38#  +---------------------------------------------------------------------------+
39
40ALL_TESTS="
41	test_gretap
42	test_ip6gretap
43"
44
45NUM_NETIFS=6
46source lib.sh
47source mirror_lib.sh
48source mirror_gre_lib.sh
49source mirror_gre_topo_lib.sh
50
51setup_prepare()
52{
53	h1=${NETIFS[p1]}
54	swp1=${NETIFS[p2]}
55
56	swp2=${NETIFS[p3]}
57	h2=${NETIFS[p4]}
58
59	swp3=${NETIFS[p5]}
60	h3=${NETIFS[p6]}
61
62	vrf_prepare
63	mirror_gre_topo_create
64
65	ip link set dev $swp3 master br1
66	bridge vlan add dev br1 vid 555 pvid untagged self
67	ip address add dev br1 192.0.2.129/28
68	ip address add dev br1 2001:db8:2::1/64
69
70	ip -4 route add 192.0.2.130/32 dev br1
71	ip -6 route add 2001:db8:2::2/128 dev br1
72
73	vlan_create $h3 555 v$h3 192.0.2.130/28 2001:db8:2::2/64
74	bridge vlan add dev $swp3 vid 555
75}
76
77cleanup()
78{
79	pre_cleanup
80
81	ip link set dev $swp3 nomaster
82	vlan_destroy $h3 555
83
84	mirror_gre_topo_destroy
85	vrf_cleanup
86}
87
88test_gretap()
89{
90	full_test_span_gre_dir gt4 ingress 8 0 "mirror to gretap"
91	full_test_span_gre_dir gt4 egress 0 8 "mirror to gretap"
92}
93
94test_ip6gretap()
95{
96	full_test_span_gre_dir gt6 ingress 8 0 "mirror to ip6gretap"
97	full_test_span_gre_dir gt6 egress 0 8 "mirror to ip6gretap"
98}
99
100tests()
101{
102	slow_path_trap_install $swp1 ingress
103	slow_path_trap_install $swp1 egress
104
105	tests_run
106
107	slow_path_trap_uninstall $swp1 egress
108	slow_path_trap_uninstall $swp1 ingress
109}
110
111trap cleanup EXIT
112
113setup_prepare
114setup_wait
115
116tcflags="skip_hw"
117tests
118
119if ! tc_offload_check; then
120	echo "WARN: Could not test offloaded functionality"
121else
122	tcflags="skip_sw"
123	tests
124fi
125
126exit $EXIT_STATUS
127