1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3
4 ALL_TESTS="standalone two_bridges one_bridge_two_pvids"
5 NUM_NETIFS=4
6
7 source lib.sh
8
9 h1=${NETIFS[p1]}
10 h2=${NETIFS[p3]}
11 swp1=${NETIFS[p2]}
12 swp2=${NETIFS[p4]}
13
14 H1_IPV4="192.0.2.1"
15 H2_IPV4="192.0.2.2"
16 H1_IPV6="2001:db8:1::1"
17 H2_IPV6="2001:db8:1::2"
18
19 IPV4_ALLNODES="224.0.0.1"
20 IPV6_ALLNODES="ff02::1"
21 MACV4_ALLNODES="01:00:5e:00:00:01"
22 MACV6_ALLNODES="33:33:00:00:00:01"
23 NON_IP_MC="01:02:03:04:05:06"
24 NON_IP_PKT="00:04 48:45:4c:4f"
25 BC="ff:ff:ff:ff:ff:ff"
26
27 # The full 4K VLAN space is too much to check, so strategically pick some
28 # values which should provide reasonable coverage
29 vids=(0 1 2 5 10 20 50 100 200 500 1000 1000 2000 4000 4094)
30
31 send_non_ip()
32 {
33 local if_name=$1
34 local smac=$2
35 local dmac=$3
36
37 $MZ -q $if_name "$dmac $smac $NON_IP_PKT"
38 }
39
40 send_uc_ipv4()
41 {
42 local if_name=$1
43 local dmac=$2
44
45 ip neigh add $H2_IPV4 lladdr $dmac dev $if_name
46 ping_do $if_name $H2_IPV4
47 ip neigh del $H2_IPV4 dev $if_name
48 }
49
50 send_mc_ipv4()
51 {
52 local if_name=$1
53
54 ping_do $if_name $IPV4_ALLNODES "-I $if_name"
55 }
56
57 send_uc_ipv6()
58 {
59 local if_name=$1
60 local dmac=$2
61
62 ip -6 neigh add $H2_IPV6 lladdr $dmac dev $if_name
63 ping6_do $if_name $H2_IPV6
64 ip -6 neigh del $H2_IPV6 dev $if_name
65 }
66
67 send_mc_ipv6()
68 {
69 local if_name=$1
70
71 ping6_do $if_name $IPV6_ALLNODES%$if_name
72 }
73
74 check_rcv()
75 {
76 local if_name=$1
77 local type=$2
78 local pattern=$3
79 local should_fail=1
80
81 RET=0
82
83 tcpdump_show $if_name | grep -q "$pattern"
84
85 check_err_fail "$should_fail" "$?" "reception"
86
87 log_test "$type"
88 }
89
90 run_test()
91 {
92 local test_name="$1"
93 local smac=$(mac_get $h1)
94 local dmac=$(mac_get $h2)
95 local h1_ipv6_lladdr=$(ipv6_lladdr_get $h1)
96 local vid=
97
98 echo "$test_name: Sending packets"
99
100 tcpdump_start $h2
101
102 send_non_ip $h1 $smac $dmac
103 send_non_ip $h1 $smac $NON_IP_MC
104 send_non_ip $h1 $smac $BC
105 send_uc_ipv4 $h1 $dmac
106 send_mc_ipv4 $h1
107 send_uc_ipv6 $h1 $dmac
108 send_mc_ipv6 $h1
109
110 for vid in "${vids[@]}"; do
111 vlan_create $h1 $vid
112 simple_if_init $h1.$vid $H1_IPV4/24 $H1_IPV6/64
113
114 send_non_ip $h1.$vid $smac $dmac
115 send_non_ip $h1.$vid $smac $NON_IP_MC
116 send_non_ip $h1.$vid $smac $BC
117 send_uc_ipv4 $h1.$vid $dmac
118 send_mc_ipv4 $h1.$vid
119 send_uc_ipv6 $h1.$vid $dmac
120 send_mc_ipv6 $h1.$vid
121
122 simple_if_fini $h1.$vid $H1_IPV4/24 $H1_IPV6/64
123 vlan_destroy $h1 $vid
124 done
125
126 sleep 1
127
128 echo "$test_name: Checking which packets were received"
129
130 tcpdump_stop $h2
131
132 check_rcv $h2 "$test_name: Unicast non-IP untagged" \
133 "$smac > $dmac, 802.3, length 4:"
134
135 check_rcv $h2 "$test_name: Multicast non-IP untagged" \
136 "$smac > $NON_IP_MC, 802.3, length 4:"
137
138 check_rcv $h2 "$test_name: Broadcast non-IP untagged" \
139 "$smac > $BC, 802.3, length 4:"
140
141 check_rcv $h2 "$test_name: Unicast IPv4 untagged" \
142 "$smac > $dmac, ethertype IPv4 (0x0800)"
143
144 check_rcv $h2 "$test_name: Multicast IPv4 untagged" \
145 "$smac > $MACV4_ALLNODES, ethertype IPv4 (0x0800).*: $H1_IPV4 > $IPV4_ALLNODES"
146
147 check_rcv $h2 "$test_name: Unicast IPv6 untagged" \
148 "$smac > $dmac, ethertype IPv6 (0x86dd).*8: $H1_IPV6 > $H2_IPV6"
149
150 check_rcv $h2 "$test_name: Multicast IPv6 untagged" \
151 "$smac > $MACV6_ALLNODES, ethertype IPv6 (0x86dd).*: $h1_ipv6_lladdr > $IPV6_ALLNODES"
152
153 for vid in "${vids[@]}"; do
154 check_rcv $h2 "$test_name: Unicast non-IP VID $vid" \
155 "$smac > $dmac, ethertype 802.1Q (0x8100).*vlan $vid,.*length 4"
156
157 check_rcv $h2 "$test_name: Multicast non-IP VID $vid" \
158 "$smac > $NON_IP_MC, ethertype 802.1Q (0x8100).*vlan $vid,.*length 4"
159
160 check_rcv $h2 "$test_name: Broadcast non-IP VID $vid" \
161 "$smac > $BC, ethertype 802.1Q (0x8100).*vlan $vid,.*length 4"
162
163 check_rcv $h2 "$test_name: Unicast IPv4 VID $vid" \
164 "$smac > $dmac, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv4 (0x0800), $H1_IPV4 > $H2_IPV4"
165
166 check_rcv $h2 "$test_name: Multicast IPv4 VID $vid" \
167 "$smac > $MACV4_ALLNODES, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv4 (0x0800), $H1_IPV4 > $IPV4_ALLNODES"
168
169 check_rcv $h2 "$test_name: Unicast IPv6 VID $vid" \
170 "$smac > $dmac, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv6 (0x86dd), $H1_IPV6 > $H2_IPV6"
171
172 check_rcv $h2 "$test_name: Multicast IPv6 VID $vid" \
173 "$smac > $MACV6_ALLNODES, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv6 (0x86dd), $h1_ipv6_lladdr > $IPV6_ALLNODES"
174 done
175
176 tcpdump_cleanup $h2
177 }
178
179 standalone()
180 {
181 run_test "Standalone switch ports"
182 }
183
184 two_bridges()
185 {
186 ip link add br0 type bridge && ip link set br0 up
187 ip link add br1 type bridge && ip link set br1 up
188 ip link set $swp1 master br0
189 ip link set $swp2 master br1
190
191 run_test "Switch ports in different bridges"
192
193 ip link del br1
194 ip link del br0
195 }
196
197 one_bridge_two_pvids()
198 {
199 ip link add br0 type bridge vlan_filtering 1 vlan_default_pvid 0
200 ip link set br0 up
201 ip link set $swp1 master br0
202 ip link set $swp2 master br0
203
204 bridge vlan add dev $swp1 vid 1 pvid untagged
205 bridge vlan add dev $swp2 vid 2 pvid untagged
206
207 run_test "Switch ports in VLAN-aware bridge with different PVIDs"
208
209 ip link del br0
210 }
211
212 h1_create()
213 {
214 simple_if_init $h1 $H1_IPV4/24 $H1_IPV6/64
215 }
216
217 h1_destroy()
218 {
219 simple_if_fini $h1 $H1_IPV4/24 $H1_IPV6/64
220 }
221
222 h2_create()
223 {
224 simple_if_init $h2 $H2_IPV4/24 $H2_IPV6/64
225 }
226
227 h2_destroy()
228 {
229 simple_if_fini $h2 $H2_IPV4/24 $H2_IPV6/64
230 }
231
232 cleanup()
233 {
234 pre_cleanup
235
236 ip link set dev $swp2 down
237 ip link set dev $swp1 down
238
239 h2_destroy
240 h1_destroy
241
242 vrf_cleanup
243 }
244
245 setup_prepare()
246 {
247 vrf_prepare
248
249 h1_create
250 h2_create
251 # we call simple_if_init from the test itself, but setup_wait expects
252 # that we call it from here, and waits until the interfaces are up
253 ip link set dev $swp1 up
254 ip link set dev $swp2 up
255 }
256
257 trap cleanup EXIT
258
259 setup_prepare
260 setup_wait
261
262 tests_run
263
264 exit $EXIT_STATUS
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