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
ALL_TESTS="standalone bridge"
NUM_NETIFS=2
PING_COUNT=1
REQUIRE_MTOOLS=yes
REQUIRE_MZ=no
source lib.sh
H1_IPV4="192.0.2.1"
H2_IPV4="192.0.2.2"
H1_IPV6="2001:db8:1::1"
H2_IPV6="2001:db8:1::2"
BRIDGE_ADDR="00:00:de:ad:be:ee"
MACVLAN_ADDR="00:00:de:ad:be:ef"
UNKNOWN_UC_ADDR1="de:ad:be:ef:ee:03"
UNKNOWN_UC_ADDR2="de:ad:be:ef:ee:04"
UNKNOWN_UC_ADDR3="de:ad:be:ef:ee:05"
JOINED_IPV4_MC_ADDR="225.1.2.3"
UNKNOWN_IPV4_MC_ADDR1="225.1.2.4"
UNKNOWN_IPV4_MC_ADDR2="225.1.2.5"
UNKNOWN_IPV4_MC_ADDR3="225.1.2.6"
JOINED_IPV6_MC_ADDR="ff2e::0102:0304"
UNKNOWN_IPV6_MC_ADDR1="ff2e::0102:0305"
UNKNOWN_IPV6_MC_ADDR2="ff2e::0102:0306"
UNKNOWN_IPV6_MC_ADDR3="ff2e::0102:0307"
JOINED_MACV4_MC_ADDR="01:00:5e:01:02:03"
UNKNOWN_MACV4_MC_ADDR1="01:00:5e:01:02:04"
UNKNOWN_MACV4_MC_ADDR2="01:00:5e:01:02:05"
UNKNOWN_MACV4_MC_ADDR3="01:00:5e:01:02:06"
JOINED_MACV6_MC_ADDR="33:33:01:02:03:04"
UNKNOWN_MACV6_MC_ADDR1="33:33:01:02:03:05"
UNKNOWN_MACV6_MC_ADDR2="33:33:01:02:03:06"
UNKNOWN_MACV6_MC_ADDR3="33:33:01:02:03:07"
NON_IP_MC="01:02:03:04:05:06"
NON_IP_PKT="00:04 48:45:4c:4f"
BC="ff:ff:ff:ff:ff:ff"
# Disable promisc to ensure we don't receive unknown MAC DA packets
export TCPDUMP_EXTRA_FLAGS="-pl"
h1=${NETIFS[p1]}
h2=${NETIFS[p2]}
send_non_ip()
{
local if_name=$1
local smac=$2
local dmac=$3
$MZ -q $if_name "$dmac $smac $NON_IP_PKT"
}
send_uc_ipv4()
{
local if_name=$1
local dmac=$2
ip neigh add $H2_IPV4 lladdr $dmac dev $if_name
ping_do $if_name $H2_IPV4
ip neigh del $H2_IPV4 dev $if_name
}
check_rcv()
{
local if_name=$1
local type=$2
local pattern=$3
local should_receive=$4
local should_fail=
[ $should_receive = true ] && should_fail=0 || should_fail=1
RET=0
tcpdump_show $if_name | grep -q "$pattern"
check_err_fail "$should_fail" "$?" "reception"
log_test "$if_name: $type"
}
mc_route_prepare()
{
local if_name=$1
local vrf_name=$(master_name_get $if_name)
ip route add 225.100.1.0/24 dev $if_name vrf $vrf_name
ip -6 route add ff2e::/64 dev $if_name vrf $vrf_name
}
mc_route_destroy()
{
local if_name=$1
local vrf_name=$(master_name_get $if_name)
ip route del 225.100.1.0/24 dev $if_name vrf $vrf_name
ip -6 route del ff2e::/64 dev $if_name vrf $vrf_name
}
run_test()
{
local rcv_if_name=$1
local smac=$(mac_get $h1)
local rcv_dmac=$(mac_get $rcv_if_name)
tcpdump_start $rcv_if_name
mc_route_prepare $h1
mc_route_prepare $rcv_if_name
send_uc_ipv4 $h1 $rcv_dmac
send_uc_ipv4 $h1 $MACVLAN_ADDR
send_uc_ipv4 $h1 $UNKNOWN_UC_ADDR1
ip link set dev $rcv_if_name promisc on
send_uc_ipv4 $h1 $UNKNOWN_UC_ADDR2
mc_send $h1 $UNKNOWN_IPV4_MC_ADDR2
mc_send $h1 $UNKNOWN_IPV6_MC_ADDR2
ip link set dev $rcv_if_name promisc off
mc_join $rcv_if_name $JOINED_IPV4_MC_ADDR
mc_send $h1 $JOINED_IPV4_MC_ADDR
mc_leave
mc_join $rcv_if_name $JOINED_IPV6_MC_ADDR
mc_send $h1 $JOINED_IPV6_MC_ADDR
mc_leave
mc_send $h1 $UNKNOWN_IPV4_MC_ADDR1
mc_send $h1 $UNKNOWN_IPV6_MC_ADDR1
ip link set dev $rcv_if_name allmulticast on
send_uc_ipv4 $h1 $UNKNOWN_UC_ADDR3
mc_send $h1 $UNKNOWN_IPV4_MC_ADDR3
mc_send $h1 $UNKNOWN_IPV6_MC_ADDR3
ip link set dev $rcv_if_name allmulticast off
mc_route_destroy $rcv_if_name
mc_route_destroy $h1
sleep 1
tcpdump_stop $rcv_if_name
check_rcv $rcv_if_name "Unicast IPv4 to primary MAC address" \
"$smac > $rcv_dmac, ethertype IPv4 (0x0800)" \
true
check_rcv $rcv_if_name "Unicast IPv4 to macvlan MAC address" \
"$smac > $MACVLAN_ADDR, ethertype IPv4 (0x0800)" \
true
xfail_on_veth $h1 \
check_rcv $rcv_if_name "Unicast IPv4 to unknown MAC address" \
"$smac > $UNKNOWN_UC_ADDR1, ethertype IPv4 (0x0800)" \
false
check_rcv $rcv_if_name "Unicast IPv4 to unknown MAC address, promisc" \
"$smac > $UNKNOWN_UC_ADDR2, ethertype IPv4 (0x0800)" \
true
xfail_on_veth $h1 \
check_rcv $rcv_if_name \
"Unicast IPv4 to unknown MAC address, allmulti" \
"$smac > $UNKNOWN_UC_ADDR3, ethertype IPv4 (0x0800)" \
false
check_rcv $rcv_if_name "Multicast IPv4 to joined group" \
"$smac > $JOINED_MACV4_MC_ADDR, ethertype IPv4 (0x0800)" \
true
xfail_on_veth $h1 \
check_rcv $rcv_if_name \
"Multicast IPv4 to unknown group" \
"$smac > $UNKNOWN_MACV4_MC_ADDR1, ethertype IPv4 (0x0800)" \
false
check_rcv $rcv_if_name "Multicast IPv4 to unknown group, promisc" \
"$smac > $UNKNOWN_MACV4_MC_ADDR2, ethertype IPv4 (0x0800)" \
true
check_rcv $rcv_if_name "Multicast IPv4 to unknown group, allmulti" \
"$smac > $UNKNOWN_MACV4_MC_ADDR3, ethertype IPv4 (0x0800)" \
true
check_rcv $rcv_if_name "Multicast IPv6 to joined group" \
"$smac > $JOINED_MACV6_MC_ADDR, ethertype IPv6 (0x86dd)" \
true
xfail_on_veth $h1 \
check_rcv $rcv_if_name "Multicast IPv6 to unknown group" \
"$smac > $UNKNOWN_MACV6_MC_ADDR1, ethertype IPv6 (0x86dd)" \
false
check_rcv $rcv_if_name "Multicast IPv6 to unknown group, promisc" \
"$smac > $UNKNOWN_MACV6_MC_ADDR2, ethertype IPv6 (0x86dd)" \
true
check_rcv $rcv_if_name "Multicast IPv6 to unknown group, allmulti" \
"$smac > $UNKNOWN_MACV6_MC_ADDR3, ethertype IPv6 (0x86dd)" \
true
tcpdump_cleanup $rcv_if_name
}
h1_create()
{
simple_if_init $h1 $H1_IPV4/24 $H1_IPV6/64
}
h1_destroy()
{
simple_if_fini $h1 $H1_IPV4/24 $H1_IPV6/64
}
h2_create()
{
simple_if_init $h2 $H2_IPV4/24 $H2_IPV6/64
}
h2_destroy()
{
simple_if_fini $h2 $H2_IPV4/24 $H2_IPV6/64
}
bridge_create()
{
ip link add br0 type bridge
ip link set br0 address $BRIDGE_ADDR
ip link set br0 up
ip link set $h2 master br0
ip link set $h2 up
simple_if_init br0 $H2_IPV4/24 $H2_IPV6/64
}
bridge_destroy()
{
simple_if_fini br0 $H2_IPV4/24 $H2_IPV6/64
ip link del br0
}
macvlan_create()
{
local lower=$1
ip link add link $lower name macvlan0 type macvlan mode private
ip link set macvlan0 address $MACVLAN_ADDR
ip link set macvlan0 up
}
macvlan_destroy()
{
ip link del macvlan0
}
standalone()
{
h1_create
h2_create
macvlan_create $h2
run_test $h2
macvlan_destroy
h2_destroy
h1_destroy
}
bridge()
{
h1_create
bridge_create
macvlan_create br0
run_test br0
macvlan_destroy
bridge_destroy
h1_destroy
}
cleanup()
{
pre_cleanup
vrf_cleanup
}
setup_prepare()
{
vrf_prepare
# setup_wait() needs this
ip link set $h1 up
ip link set $h2 up
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS
|
