blob: 109e6d7851690e3e33cf831e1810734448c6aba5 (
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
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
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# +------------------+
# | H1 (v$h1) |
# | 2001:db8:1::2/64 |
# | 198.51.100.2/28 |
# | $h1 + |
# +-------------|----+
# |
# +-------------|-------------------------------+
# | SW1 | |
# | $rp1 + |
# | 198.51.100.1/28 |
# | 2001:db8:1::1/64 |
# | |
# | 2001:db8:2::1/64 2001:db8:3::1/64 |
# | 198.51.100.17/28 198.51.100.33/28 |
# | $rp2 + $rp3 + |
# +--------------|--------------------------|---+
# | |
# | |
# +--------------|---+ +--------------|---+
# | H2 (v$h2) | | | H3 (v$h3) | |
# | $h2 + | | $h3 + |
# | 198.51.100.18/28 | | 198.51.100.34/28 |
# | 2001:db8:2::2/64 | | 2001:db8:3::2/64 |
# +------------------+ +------------------+
#
ALL_TESTS="mcast_v4 mcast_v6"
NUM_NETIFS=6
source lib.sh
source tc_common.sh
require_command $MCD
require_command $MC_CLI
table_name=selftests
h1_create()
{
simple_if_init $h1 198.51.100.2/28 2001:db8:1::2/64
ip route add 198.51.100.16/28 vrf v$h1 nexthop via 198.51.100.1
ip route add 198.51.100.32/28 vrf v$h1 nexthop via 198.51.100.1
ip route add 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::1
ip route add 2001:db8:3::/64 vrf v$h1 nexthop via 2001:db8:1::1
}
h1_destroy()
{
ip route del 2001:db8:3::/64 vrf v$h1
ip route del 2001:db8:2::/64 vrf v$h1
ip route del 198.51.100.32/28 vrf v$h1
ip route del 198.51.100.16/28 vrf v$h1
simple_if_fini $h1 198.51.100.2/28 2001:db8:1::2/64
}
h2_create()
{
simple_if_init $h2 198.51.100.18/28 2001:db8:2::2/64
ip route add 198.51.100.0/28 vrf v$h2 nexthop via 198.51.100.17
ip route add 198.51.100.32/28 vrf v$h2 nexthop via 198.51.100.17
ip route add 2001:db8:1::/64 vrf v$h2 nexthop via 2001:db8:2::1
ip route add 2001:db8:3::/64 vrf v$h2 nexthop via 2001:db8:2::1
tc qdisc add dev $h2 ingress
}
h2_destroy()
{
tc qdisc del dev $h2 ingress
ip route del 2001:db8:3::/64 vrf v$h2
ip route del 2001:db8:1::/64 vrf v$h2
ip route del 198.51.100.32/28 vrf v$h2
ip route del 198.51.100.0/28 vrf v$h2
simple_if_fini $h2 198.51.100.18/28 2001:db8:2::2/64
}
h3_create()
{
simple_if_init $h3 198.51.100.34/28 2001:db8:3::2/64
ip route add 198.51.100.0/28 vrf v$h3 nexthop via 198.51.100.33
ip route add 198.51.100.16/28 vrf v$h3 nexthop via 198.51.100.33
ip route add 2001:db8:1::/64 vrf v$h3 nexthop via 2001:db8:3::1
ip route add 2001:db8:2::/64 vrf v$h3 nexthop via 2001:db8:3::1
tc qdisc add dev $h3 ingress
}
h3_destroy()
{
tc qdisc del dev $h3 ingress
ip route del 2001:db8:2::/64 vrf v$h3
ip route del 2001:db8:1::/64 vrf v$h3
ip route del 198.51.100.16/28 vrf v$h3
ip route del 198.51.100.0/28 vrf v$h3
simple_if_fini $h3 198.51.100.34/28 2001:db8:3::2/64
}
router_create()
{
ip link set dev $rp1 up
ip link set dev $rp2 up
ip link set dev $rp3 up
ip address add 198.51.100.1/28 dev $rp1
ip address add 198.51.100.17/28 dev $rp2
ip address add 198.51.100.33/28 dev $rp3
ip address add 2001:db8:1::1/64 dev $rp1
ip address add 2001:db8:2::1/64 dev $rp2
ip address add 2001:db8:3::1/64 dev $rp3
}
router_destroy()
{
ip address del 2001:db8:3::1/64 dev $rp3
ip address del 2001:db8:2::1/64 dev $rp2
ip address del 2001:db8:1::1/64 dev $rp1
ip address del 198.51.100.33/28 dev $rp3
ip address del 198.51.100.17/28 dev $rp2
ip address del 198.51.100.1/28 dev $rp1
ip link set dev $rp3 down
ip link set dev $rp2 down
ip link set dev $rp1 down
}
start_mcd()
{
SMCROUTEDIR="$(mktemp -d)"
for ((i = 1; i <= $NUM_NETIFS; ++i)); do
echo "phyint ${NETIFS[p$i]} enable" >> \
$SMCROUTEDIR/$table_name.conf
done
$MCD -N -I $table_name -f $SMCROUTEDIR/$table_name.conf \
-P $SMCROUTEDIR/$table_name.pid
}
kill_mcd()
{
pkill $MCD
rm -rf $SMCROUTEDIR
}
setup_prepare()
{
h1=${NETIFS[p1]}
rp1=${NETIFS[p2]}
rp2=${NETIFS[p3]}
h2=${NETIFS[p4]}
rp3=${NETIFS[p5]}
h3=${NETIFS[p6]}
start_mcd
vrf_prepare
h1_create
h2_create
h3_create
router_create
forwarding_enable
}
cleanup()
{
pre_cleanup
forwarding_restore
router_destroy
h3_destroy
h2_destroy
h1_destroy
vrf_cleanup
kill_mcd
}
create_mcast_sg()
{
local if_name=$1; shift
local s_addr=$1; shift
local mcast=$1; shift
local dest_ifs=${@}
$MC_CLI -I $table_name add $if_name $s_addr $mcast $dest_ifs
}
delete_mcast_sg()
{
local if_name=$1; shift
local s_addr=$1; shift
local mcast=$1; shift
local dest_ifs=${@}
$MC_CLI -I $table_name remove $if_name $s_addr $mcast $dest_ifs
}
mcast_v4()
{
# Add two interfaces to an MC group, send a packet to the MC group and
# verify packets are received on both. Then delete the route and verify
# packets are no longer received.
RET=0
tc filter add dev $h2 ingress protocol ip pref 1 handle 122 flower \
dst_ip 225.1.2.3 action drop
tc filter add dev $h3 ingress protocol ip pref 1 handle 133 flower \
dst_ip 225.1.2.3 action drop
create_mcast_sg $rp1 198.51.100.2 225.1.2.3 $rp2 $rp3
# Send frames with the corresponding L2 destination address.
$MZ $h1 -c 5 -p 128 -t udp -a 00:11:22:33:44:55 -b 01:00:5e:01:02:03 \
-A 198.51.100.2 -B 225.1.2.3 -q
tc_check_packets "dev $h2 ingress" 122 5
check_err $? "Multicast not received on first host"
tc_check_packets "dev $h3 ingress" 133 5
check_err $? "Multicast not received on second host"
delete_mcast_sg $rp1 198.51.100.2 225.1.2.3 $rp2 $rp3
$MZ $h1 -c 5 -p 128 -t udp -a 00:11:22:33:44:55 -b 01:00:5e:01:02:03 \
-A 198.51.100.2 -B 225.1.2.3 -q
tc_check_packets "dev $h2 ingress" 122 5
check_err $? "Multicast received on host although deleted"
tc_check_packets "dev $h3 ingress" 133 5
check_err $? "Multicast received on second host although deleted"
tc filter del dev $h3 ingress protocol ip pref 1 handle 133 flower
tc filter del dev $h2 ingress protocol ip pref 1 handle 122 flower
log_test "mcast IPv4"
}
mcast_v6()
{
# Add two interfaces to an MC group, send a packet to the MC group and
# verify packets are received on both. Then delete the route and verify
# packets are no longer received.
RET=0
tc filter add dev $h2 ingress protocol ipv6 pref 1 handle 122 flower \
dst_ip ff0e::3 action drop
tc filter add dev $h3 ingress protocol ipv6 pref 1 handle 133 flower \
dst_ip ff0e::3 action drop
create_mcast_sg $rp1 2001:db8:1::2 ff0e::3 $rp2 $rp3
# Send frames with the corresponding L2 destination address.
$MZ $h1 -6 -c 5 -p 128 -t udp -a 00:11:22:33:44:55 \
-b 33:33:00:00:00:03 -A 2001:db8:1::2 -B ff0e::3 -q
tc_check_packets "dev $h2 ingress" 122 5
check_err $? "Multicast not received on first host"
tc_check_packets "dev $h3 ingress" 133 5
check_err $? "Multicast not received on second host"
delete_mcast_sg $rp1 2001:db8:1::2 ff0e::3 $rp2 $rp3
$MZ $h1 -6 -c 5 -p 128 -t udp -a 00:11:22:33:44:55 \
-b 33:33:00:00:00:03 -A 2001:db8:1::2 -B ff0e::3 -q
tc_check_packets "dev $h2 ingress" 122 5
check_err $? "Multicast received on first host although deleted"
tc_check_packets "dev $h3 ingress" 133 5
check_err $? "Multicast received on second host although deleted"
tc filter del dev $h3 ingress protocol ipv6 pref 1 handle 133 flower
tc filter del dev $h2 ingress protocol ipv6 pref 1 handle 122 flower
log_test "mcast IPv6"
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS
|
