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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# +-----------------------+ +------------------------+
# | H1 (vrf) | | H2 (vrf) |
# | + $h1.10 | | + $h2.10 |
# | | 2001:db8:1::1/64 | | | 2001:db8:1::2/64 |
# | | | | | |
# | | + $h1.20 | | | + $h2.20 |
# | \ | 2001:db8:2::1/64 | | \ | 2001:db8:2::2/64 |
# | \| | | \| |
# | + $h1 | | + $h2 |
# +----|------------------+ +----|-------------------+
# | |
# +----|--------------------------------------------------|-------------------+
# | SW | | |
# | +--|--------------------------------------------------|-----------------+ |
# | | + $swp1 BR1 (802.1ad) + $swp2 | |
# | | vid 100 pvid untagged vid 100 pvid | |
# | | untagged | |
# | | + vx100 (vxlan) | |
# | | local 2001:db8:3::1 | |
# | | remote 2001:db8:4::1 2001:db8:5::1 | |
# | | id 1000 dstport $VXPORT | |
# | | vid 100 pvid untagged | |
# | +-----------------------------------------------------------------------+ |
# | |
# | 2001:db8:4::0/64 via 2001:db8:3::2 |
# | 2001:db8:5::0/64 via 2001:db8:3::2 |
# | |
# | + $rp1 |
# | | 2001:db8:3::1/64 |
# +----|----------------------------------------------------------------------+
# |
# +----|----------------------------------------------------------+
# | | VRP2 (vrf) |
# | + $rp2 |
# | 2001:db8:3::2/64 |
# | | (maybe) HW
# =============================================================================
# | | (likely) SW
# | + v1 (veth) + v3 (veth) |
# | | 2001:db8:4::2/64 | 2001:db8:5::2/64 |
# +----|---------------------------------------|------------------+
# | |
# +----|--------------------------------+ +----|-------------------------------+
# | + v2 (veth) NS1 (netns) | | + v4 (veth) NS2 (netns) |
# | 2001:db8:4::1/64 | | 2001:db8:5::1/64 |
# | | | |
# | 2001:db8:3::0/64 via 2001:db8:4::2 | | 2001:db8:3::0/64 via 2001:db8:5::2 |
# | 2001:db8:5::1/128 via 2001:db8:4::2 | | 2001:db8:4::1/128 via |
# | | | 2001:db8:5::2 |
# | +-------------------------------+ | | +-------------------------------+ |
# | | BR2 (802.1ad) | | | | BR2 (802.1ad) | |
# | | + vx100 (vxlan) | | | | + vx100 (vxlan) | |
# | | local 2001:db8:4::1 | | | | local 2001:db8:5::1 | |
# | | remote 2001:db8:3::1 | | | | remote 2001:db8:3::1 | |
# | | remote 2001:db8:5::1 | | | | remote 2001:db8:4::1 | |
# | | id 1000 dstport $VXPORT | | | | id 1000 dstport $VXPORT | |
# | | vid 100 pvid untagged | | | | vid 100 pvid untagged | |
# | | | | | | | |
# | | + w1 (veth) | | | | + w1 (veth) | |
# | | | vid 100 pvid untagged | | | | | vid 100 pvid untagged | |
# | +--|----------------------------+ | | +--|----------------------------+ |
# | | | | | |
# | +--|----------------------------+ | | +--|----------------------------+ |
# | | | VW2 (vrf) | | | | | VW2 (vrf) | |
# | | + w2 (veth) | | | | + w2 (veth) | |
# | | |\ | | | | |\ | |
# | | | + w2.10 | | | | | + w2.10 | |
# | | | 2001:db8:1::3/64 | | | | | 2001:db8:1::4/64 | |
# | | | | | | | | | |
# | | + w2.20 | | | | + w2.20 | |
# | | 2001:db8:2::3/64 | | | | 2001:db8:2::4/64 | |
# | +-------------------------------+ | | +-------------------------------+ |
# +-------------------------------------+ +------------------------------------+
: ${VXPORT:=4789}
export VXPORT
: ${ALL_TESTS:="
ping_ipv6
"}
NUM_NETIFS=6
source lib.sh
h1_create()
{
simple_if_init $h1
tc qdisc add dev $h1 clsact
vlan_create $h1 10 v$h1 2001:db8:1::1/64
vlan_create $h1 20 v$h1 2001:db8:2::1/64
}
h1_destroy()
{
vlan_destroy $h1 20
vlan_destroy $h1 10
tc qdisc del dev $h1 clsact
simple_if_fini $h1
}
h2_create()
{
simple_if_init $h2
tc qdisc add dev $h2 clsact
vlan_create $h2 10 v$h2 2001:db8:1::2/64
vlan_create $h2 20 v$h2 2001:db8:2::2/64
}
h2_destroy()
{
vlan_destroy $h2 20
vlan_destroy $h2 10
tc qdisc del dev $h2 clsact
simple_if_fini $h2
}
rp1_set_addr()
{
ip address add dev $rp1 2001:db8:3::1/64
ip route add 2001:db8:4::0/64 nexthop via 2001:db8:3::2
ip route add 2001:db8:5::0/64 nexthop via 2001:db8:3::2
}
rp1_unset_addr()
{
ip route del 2001:db8:5::0/64 nexthop via 2001:db8:3::2
ip route del 2001:db8:4::0/64 nexthop via 2001:db8:3::2
ip address del dev $rp1 2001:db8:3::1/64
}
switch_create()
{
ip link add name br1 type bridge vlan_filtering 1 vlan_protocol 802.1ad \
vlan_default_pvid 0 mcast_snooping 0
# Make sure the bridge uses the MAC address of the local port and not
# that of the VxLAN's device.
ip link set dev br1 address $(mac_get $swp1)
ip link set dev br1 up
ip link set dev $rp1 up
rp1_set_addr
ip link add name vx100 type vxlan id 1000 \
local 2001:db8:3::1 dstport "$VXPORT" \
nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100
ip link set dev vx100 up
ip link set dev vx100 master br1
bridge vlan add vid 100 dev vx100 pvid untagged
ip link set dev $swp1 master br1
ip link set dev $swp1 up
bridge vlan add vid 100 dev $swp1 pvid untagged
ip link set dev $swp2 master br1
ip link set dev $swp2 up
bridge vlan add vid 100 dev $swp2 pvid untagged
bridge fdb append dev vx100 00:00:00:00:00:00 dst 2001:db8:4::1 self
bridge fdb append dev vx100 00:00:00:00:00:00 dst 2001:db8:5::1 self
}
switch_destroy()
{
bridge fdb del dev vx100 00:00:00:00:00:00 dst 2001:db8:5::1 self
bridge fdb del dev vx100 00:00:00:00:00:00 dst 2001:db8:4::1 self
bridge vlan del vid 100 dev $swp2
ip link set dev $swp2 down
ip link set dev $swp2 nomaster
bridge vlan del vid 100 dev $swp1
ip link set dev $swp1 down
ip link set dev $swp1 nomaster
ip link set dev vx100 nomaster
ip link set dev vx100 down
ip link del dev vx100
rp1_unset_addr
ip link set dev $rp1 down
ip link set dev br1 down
ip link del dev br1
}
vrp2_create()
{
simple_if_init $rp2 2001:db8:3::2/64
__simple_if_init v1 v$rp2 2001:db8:4::2/64
__simple_if_init v3 v$rp2 2001:db8:5::2/64
tc qdisc add dev v1 clsact
}
vrp2_destroy()
{
tc qdisc del dev v1 clsact
__simple_if_fini v3 2001:db8:5::2/64
__simple_if_fini v1 2001:db8:4::2/64
simple_if_fini $rp2 2001:db8:3::2/64
}
ns_init_common()
{
local in_if=$1; shift
local in_addr=$1; shift
local other_in_addr=$1; shift
local nh_addr=$1; shift
local host_addr1=$1; shift
local host_addr2=$1; shift
ip link set dev $in_if up
ip address add dev $in_if $in_addr/64
tc qdisc add dev $in_if clsact
ip link add name br2 type bridge vlan_filtering 1 vlan_protocol 802.1ad \
vlan_default_pvid 0
ip link set dev br2 up
ip link add name w1 type veth peer name w2
ip link set dev w1 master br2
ip link set dev w1 up
bridge vlan add vid 100 dev w1 pvid untagged
ip link add name vx100 type vxlan id 1000 local $in_addr \
dstport "$VXPORT" udp6zerocsumrx
ip link set dev vx100 up
bridge fdb append dev vx100 00:00:00:00:00:00 dst 2001:db8:3::1 self
bridge fdb append dev vx100 00:00:00:00:00:00 dst $other_in_addr self
ip link set dev vx100 master br2
tc qdisc add dev vx100 clsact
bridge vlan add vid 100 dev vx100 pvid untagged
simple_if_init w2
vlan_create w2 10 vw2 $host_addr1/64
vlan_create w2 20 vw2 $host_addr2/64
ip route add 2001:db8:3::0/64 nexthop via $nh_addr
ip route add $other_in_addr/128 nexthop via $nh_addr
}
export -f ns_init_common
ns1_create()
{
ip netns add ns1
ip link set dev v2 netns ns1
in_ns ns1 \
ns_init_common v2 2001:db8:4::1 2001:db8:5::1 2001:db8:4::2 \
2001:db8:1::3 2001:db8:2::3
}
ns1_destroy()
{
ip netns exec ns1 ip link set dev v2 netns 1
ip netns del ns1
}
ns2_create()
{
ip netns add ns2
ip link set dev v4 netns ns2
in_ns ns2 \
ns_init_common v4 2001:db8:5::1 2001:db8:4::1 2001:db8:5::2 \
2001:db8:1::4 2001:db8:2::4
}
ns2_destroy()
{
ip netns exec ns2 ip link set dev v4 netns 1
ip netns del ns2
}
setup_prepare()
{
h1=${NETIFS[p1]}
swp1=${NETIFS[p2]}
swp2=${NETIFS[p3]}
h2=${NETIFS[p4]}
rp1=${NETIFS[p5]}
rp2=${NETIFS[p6]}
vrf_prepare
forwarding_enable
h1_create
h2_create
switch_create
ip link add name v1 type veth peer name v2
ip link add name v3 type veth peer name v4
vrp2_create
ns1_create
ns2_create
r1_mac=$(in_ns ns1 mac_get w2)
r2_mac=$(in_ns ns2 mac_get w2)
h2_mac=$(mac_get $h2)
}
cleanup()
{
pre_cleanup
ns2_destroy
ns1_destroy
vrp2_destroy
ip link del dev v3
ip link del dev v1
switch_destroy
h2_destroy
h1_destroy
forwarding_restore
vrf_cleanup
}
ping_ipv6()
{
ping6_test $h1 2001:db8:1::2 ": local->local"
ping6_test $h1 2001:db8:1::3 ": local->remote 1"
ping6_test $h1 2001:db8:1::4 ": local->remote 2"
}
test_all()
{
echo "Running tests with UDP port $VXPORT"
tests_run
}
trap cleanup EXIT
setup_prepare
setup_wait
test_all
exit $EXIT_STATUS
|
