xref: /linux/tools/testing/selftests/drivers/net/mlxsw/mirror_gre.sh (revision f057b57270c2a17d3f45c177e9434fa5745caa48)
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4# This test uses standard topology for testing gretap. See
5# ../../../net/forwarding/mirror_gre_topo_lib.sh for more details.
6#
7# Test offloading various features of offloading gretap mirrors specific to
8# mlxsw.
9
10lib_dir=$(dirname $0)/../../../net/forwarding
11
12NUM_NETIFS=6
13source $lib_dir/lib.sh
14source $lib_dir/mirror_lib.sh
15source $lib_dir/mirror_gre_lib.sh
16source $lib_dir/mirror_gre_topo_lib.sh
17
18ALL_TESTS="
19	test_keyful
20	test_soft
21	test_tos_fixed
22	test_ttl_inherit
23"
24
25setup_keyful()
26{
27	tunnel_create gt6-key ip6gretap 2001:db8:3::1 2001:db8:3::2 \
28		      ttl 100 tos inherit allow-localremote \
29		      key 1234
30
31	tunnel_create h3-gt6-key ip6gretap 2001:db8:3::2 2001:db8:3::1 \
32		      key 1234
33	ip link set h3-gt6-key vrf v$h3
34	matchall_sink_create h3-gt6-key
35
36	ip address add dev $swp3 2001:db8:3::1/64
37	ip address add dev $h3 2001:db8:3::2/64
38}
39
40cleanup_keyful()
41{
42	ip address del dev $h3 2001:db8:3::2/64
43	ip address del dev $swp3 2001:db8:3::1/64
44
45	tunnel_destroy h3-gt6-key
46	tunnel_destroy gt6-key
47}
48
49setup_soft()
50{
51	# Set up a topology for testing underlay routes that point at an
52	# unsupported soft device.
53
54	tunnel_create gt6-soft ip6gretap 2001:db8:4::1 2001:db8:4::2 \
55		      ttl 100 tos inherit allow-localremote
56
57	tunnel_create h3-gt6-soft ip6gretap 2001:db8:4::2 2001:db8:4::1
58	ip link set h3-gt6-soft vrf v$h3
59	matchall_sink_create h3-gt6-soft
60
61	ip link add name v1 type veth peer name v2
62	ip link set dev v1 up
63	ip address add dev v1 2001:db8:4::1/64
64
65	ip link set dev v2 vrf v$h3
66	ip link set dev v2 up
67	ip address add dev v2 2001:db8:4::2/64
68}
69
70cleanup_soft()
71{
72	ip link del dev v1
73
74	tunnel_destroy h3-gt6-soft
75	tunnel_destroy gt6-soft
76}
77
78setup_prepare()
79{
80	h1=${NETIFS[p1]}
81	swp1=${NETIFS[p2]}
82
83	swp2=${NETIFS[p3]}
84	h2=${NETIFS[p4]}
85
86	swp3=${NETIFS[p5]}
87	h3=${NETIFS[p6]}
88
89	vrf_prepare
90	mirror_gre_topo_create
91
92	ip address add dev $swp3 2001:db8:2::1/64
93	ip address add dev $h3 2001:db8:2::2/64
94
95	ip address add dev $swp3 192.0.2.129/28
96	ip address add dev $h3 192.0.2.130/28
97
98	setup_keyful
99	setup_soft
100}
101
102cleanup()
103{
104	pre_cleanup
105
106	cleanup_soft
107	cleanup_keyful
108
109	ip address del dev $h3 2001:db8:2::2/64
110	ip address del dev $swp3 2001:db8:2::1/64
111
112	ip address del dev $h3 192.0.2.130/28
113	ip address del dev $swp3 192.0.2.129/28
114
115	mirror_gre_topo_destroy
116	vrf_cleanup
117}
118
119test_span_gre_ttl_inherit()
120{
121	local tundev=$1; shift
122	local type=$1; shift
123	local what=$1; shift
124
125	RET=0
126
127	ip link set dev $tundev type $type ttl inherit
128	mirror_install $swp1 ingress $tundev "matchall"
129	fail_test_span_gre_dir $tundev
130
131	ip link set dev $tundev type $type ttl 100
132
133	quick_test_span_gre_dir $tundev
134	mirror_uninstall $swp1 ingress
135
136	log_test "$what: no offload on TTL of inherit"
137}
138
139test_span_gre_tos_fixed()
140{
141	local tundev=$1; shift
142	local type=$1; shift
143	local what=$1; shift
144
145	RET=0
146
147	ip link set dev $tundev type $type tos 0x10
148	mirror_install $swp1 ingress $tundev "matchall"
149	fail_test_span_gre_dir $tundev
150
151	ip link set dev $tundev type $type tos inherit
152	quick_test_span_gre_dir $tundev
153	mirror_uninstall $swp1 ingress
154
155	log_test "$what: no offload on a fixed TOS"
156}
157
158test_span_failable()
159{
160	local tundev=$1; shift
161	local what=$1; shift
162
163	RET=0
164
165	mirror_install $swp1 ingress $tundev "matchall"
166	fail_test_span_gre_dir  $tundev
167	mirror_uninstall $swp1 ingress
168
169	log_test "fail $what"
170}
171
172test_keyful()
173{
174	test_span_failable gt6-key "mirror to keyful gretap"
175}
176
177test_soft()
178{
179	test_span_failable gt6-soft "mirror to gretap w/ soft underlay"
180}
181
182test_tos_fixed()
183{
184	test_span_gre_tos_fixed gt4 gretap "mirror to gretap"
185	test_span_gre_tos_fixed gt6 ip6gretap "mirror to ip6gretap"
186}
187
188
189test_ttl_inherit()
190{
191	test_span_gre_ttl_inherit gt4 gretap "mirror to gretap"
192	test_span_gre_ttl_inherit gt6 ip6gretap "mirror to ip6gretap"
193}
194
195trap cleanup EXIT
196
197setup_prepare
198setup_wait
199
200tests_run
201
202exit $EXIT_STATUS
203