summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1d_vlan.sh
blob: f8cda822c1cec3291b01ad7c8f30e73090c216a9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

# This test uses standard topology for testing gretap. See
# mirror_gre_topo_lib.sh for more details.
#
# Test for "tc action mirred egress mirror" when the underlay route points at a
# bridge device without vlan filtering (802.1d). The device attached to that
# bridge is a VLAN.

ALL_TESTS="
	test_gretap
	test_ip6gretap
	test_gretap_stp
	test_ip6gretap_stp
"

NUM_NETIFS=6
source lib.sh
source mirror_lib.sh
source mirror_gre_lib.sh
source mirror_gre_topo_lib.sh

setup_prepare()
{
	h1=${NETIFS[p1]}
	swp1=${NETIFS[p2]}

	swp2=${NETIFS[p3]}
	h2=${NETIFS[p4]}

	swp3=${NETIFS[p5]}
	h3=${NETIFS[p6]}

	vrf_prepare
	mirror_gre_topo_create

	ip link add name br2 type bridge vlan_filtering 0
	ip link set dev br2 up

	vlan_create $swp3 555

	ip link set dev $swp3.555 master br2
	ip route add 192.0.2.130/32 dev br2
	ip -6 route add 2001:db8:2::2/128 dev br2

	ip address add dev br2 192.0.2.129/32
	ip address add dev br2 2001:db8:2::1/128

	vlan_create $h3 555 v$h3 192.0.2.130/28 2001:db8:2::2/64
}

cleanup()
{
	pre_cleanup

	vlan_destroy $h3 555
	ip link del dev br2
	vlan_destroy $swp3 555

	mirror_gre_topo_destroy
	vrf_cleanup
}

test_vlan_match()
{
	local tundev=$1; shift
	local vlan_match=$1; shift
	local what=$1; shift

	full_test_span_gre_dir_vlan $tundev ingress "$vlan_match" 8 0 "$what"
	full_test_span_gre_dir_vlan $tundev egress "$vlan_match" 0 8 "$what"
}

test_gretap()
{
	test_vlan_match gt4 'skip_hw vlan_id 555 vlan_ethtype ip' \
			"mirror to gretap"
}

test_ip6gretap()
{
	test_vlan_match gt6 'skip_hw vlan_id 555 vlan_ethtype ip' \
			"mirror to ip6gretap"
}

test_gretap_stp()
{
	# Sometimes after mirror installation, the neighbor's state is not valid.
	# The reason is that there is no SW datapath activity related to the
	# neighbor for the remote GRE address. Therefore whether the corresponding
	# neighbor will be valid is a matter of luck, and the test is thus racy.
	# Set the neighbor's state to permanent, so it would be always valid.
	ip neigh replace 192.0.2.130 lladdr $(mac_get $h3) \
		nud permanent dev br2
	full_test_span_gre_stp gt4 $swp3.555 "mirror to gretap"
}

test_ip6gretap_stp()
{
	ip neigh replace 2001:db8:2::2 lladdr $(mac_get $h3) \
		nud permanent dev br2
	full_test_span_gre_stp gt6 $swp3.555 "mirror to ip6gretap"
}

test_all()
{
	slow_path_trap_install $swp1 ingress
	slow_path_trap_install $swp1 egress

	tests_run

	slow_path_trap_uninstall $swp1 egress
	slow_path_trap_uninstall $swp1 ingress
}

trap cleanup EXIT

setup_prepare
setup_wait

tcflags="skip_hw"
test_all

if ! tc_offload_check; then
	echo "WARN: Could not test offloaded functionality"
else
	tcflags="skip_sw"
	test_all
fi

exit $EXIT_STATUS