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
10 lib_dir=$(dirname $0)/../../../net/forwarding
11
12 NUM_NETIFS=6
13 source $lib_dir/lib.sh
14 source $lib_dir/mirror_lib.sh
15 source $lib_dir/mirror_gre_lib.sh
16 source $lib_dir/mirror_gre_topo_lib.sh
17
18 ALL_TESTS="
19 test_keyful
20 test_soft
21 test_tos_fixed
22 test_ttl_inherit
23 "
24
25 setup_keyful()
26 {
27 tunnel_create gt6-key ip6gretap 2001:db8:3::1 2001:db8:3::2 \
28 ttl 100 tos inherit allow-localremote \
29 key 1234
30
31 tunnel_create h3-gt6-key ip6gretap 2001:db8:3::2 2001:db8:3::1 \
32 key 1234
33 ip link set h3-gt6-key vrf v$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
40 cleanup_keyful()
41 {
42 ip address del dev $h3 2001:db8:3::2/64
43 ip address del dev $swp3 2001:db8:3::1/64
44
45 tunnel_destroy h3-gt6-key
46 tunnel_destroy gt6-key
47 }
48
49 setup_soft()
50 {
51 # Set up a topology for testing underlay routes that point at an
52 # unsupported soft device.
53
54 tunnel_create gt6-soft ip6gretap 2001:db8:4::1 2001:db8:4::2 \
55 ttl 100 tos inherit allow-localremote
56
57 tunnel_create h3-gt6-soft ip6gretap 2001:db8:4::2 2001:db8:4::1
58 ip link set h3-gt6-soft vrf v$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$h3
66 ip link set dev v2 up
67 ip address add dev v2 2001:db8:4::2/64
68 }
69
70 cleanup_soft()
71 {
72 ip link del dev v1
73
74 tunnel_destroy h3-gt6-soft
75 tunnel_destroy gt6-soft
76 }
77
78 setup_prepare()
79 {
80 h1=${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
102 cleanup()
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
119 test_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
139 test_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
158 test_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
172 test_keyful()
173 {
174 test_span_failable gt6-key "mirror to keyful gretap"
175 }
176
177 test_soft()
178 {
179 test_span_failable gt6-soft "mirror to gretap w/ soft underlay"
180 }
181
182 test_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
189 test_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
195 trap cleanup EXIT
196
197 setup_prepare
198 setup_wait
199
200 tests_run
201
202 exit $EXIT_STATUS
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