Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4ALL_TESTS="standalone bridge"
5NUM_NETIFS=2
6PING_COUNT=1
7REQUIRE_MTOOLS=yes
8REQUIRE_MZ=no
9
10source lib.sh
11
12H1_IPV4="192.0.2.1"
13H2_IPV4="192.0.2.2"
14H1_IPV6="2001:db8:1::1"
15H2_IPV6="2001:db8:1::2"
16
17BRIDGE_ADDR="00:00:de:ad:be:ee"
18MACVLAN_ADDR="00:00:de:ad:be:ef"
19UNKNOWN_UC_ADDR1="de:ad:be:ef:ee:03"
20UNKNOWN_UC_ADDR2="de:ad:be:ef:ee:04"
21UNKNOWN_UC_ADDR3="de:ad:be:ef:ee:05"
22JOINED_IPV4_MC_ADDR="225.1.2.3"
23UNKNOWN_IPV4_MC_ADDR1="225.1.2.4"
24UNKNOWN_IPV4_MC_ADDR2="225.1.2.5"
25UNKNOWN_IPV4_MC_ADDR3="225.1.2.6"
26JOINED_IPV6_MC_ADDR="ff2e::0102:0304"
27UNKNOWN_IPV6_MC_ADDR1="ff2e::0102:0305"
28UNKNOWN_IPV6_MC_ADDR2="ff2e::0102:0306"
29UNKNOWN_IPV6_MC_ADDR3="ff2e::0102:0307"
30
31JOINED_MACV4_MC_ADDR="01:00:5e:01:02:03"
32UNKNOWN_MACV4_MC_ADDR1="01:00:5e:01:02:04"
33UNKNOWN_MACV4_MC_ADDR2="01:00:5e:01:02:05"
34UNKNOWN_MACV4_MC_ADDR3="01:00:5e:01:02:06"
35JOINED_MACV6_MC_ADDR="33:33:01:02:03:04"
36UNKNOWN_MACV6_MC_ADDR1="33:33:01:02:03:05"
37UNKNOWN_MACV6_MC_ADDR2="33:33:01:02:03:06"
38UNKNOWN_MACV6_MC_ADDR3="33:33:01:02:03:07"
39
40NON_IP_MC="01:02:03:04:05:06"
41NON_IP_PKT="00:04 48:45:4c:4f"
42BC="ff:ff:ff:ff:ff:ff"
43
44# Disable promisc to ensure we don't receive unknown MAC DA packets
45export TCPDUMP_EXTRA_FLAGS="-pl"
46
47h1=${NETIFS[p1]}
48h2=${NETIFS[p2]}
49
50send_non_ip()
51{
52 local if_name=$1
53 local smac=$2
54 local dmac=$3
55
56 $MZ -q $if_name "$dmac $smac $NON_IP_PKT"
57}
58
59send_uc_ipv4()
60{
61 local if_name=$1
62 local dmac=$2
63
64 ip neigh add $H2_IPV4 lladdr $dmac dev $if_name
65 ping_do $if_name $H2_IPV4
66 ip neigh del $H2_IPV4 dev $if_name
67}
68
69check_rcv()
70{
71 local if_name=$1
72 local type=$2
73 local pattern=$3
74 local should_receive=$4
75 local should_fail=
76
77 [ $should_receive = true ] && should_fail=0 || should_fail=1
78 RET=0
79
80 tcpdump_show $if_name | grep -q "$pattern"
81
82 check_err_fail "$should_fail" "$?" "reception"
83
84 log_test "$if_name: $type"
85}
86
87mc_route_prepare()
88{
89 local if_name=$1
90 local vrf_name=$(master_name_get $if_name)
91
92 ip route add 225.100.1.0/24 dev $if_name vrf $vrf_name
93 ip -6 route add ff2e::/64 dev $if_name vrf $vrf_name
94}
95
96mc_route_destroy()
97{
98 local if_name=$1
99 local vrf_name=$(master_name_get $if_name)
100
101 ip route del 225.100.1.0/24 dev $if_name vrf $vrf_name
102 ip -6 route del ff2e::/64 dev $if_name vrf $vrf_name
103}
104
105run_test()
106{
107 local rcv_if_name=$1
108 local smac=$(mac_get $h1)
109 local rcv_dmac=$(mac_get $rcv_if_name)
110
111 tcpdump_start $rcv_if_name
112
113 mc_route_prepare $h1
114 mc_route_prepare $rcv_if_name
115
116 send_uc_ipv4 $h1 $rcv_dmac
117 send_uc_ipv4 $h1 $MACVLAN_ADDR
118 send_uc_ipv4 $h1 $UNKNOWN_UC_ADDR1
119
120 ip link set dev $rcv_if_name promisc on
121 send_uc_ipv4 $h1 $UNKNOWN_UC_ADDR2
122 mc_send $h1 $UNKNOWN_IPV4_MC_ADDR2
123 mc_send $h1 $UNKNOWN_IPV6_MC_ADDR2
124 ip link set dev $rcv_if_name promisc off
125
126 mc_join $rcv_if_name $JOINED_IPV4_MC_ADDR
127 mc_send $h1 $JOINED_IPV4_MC_ADDR
128 mc_leave
129
130 mc_join $rcv_if_name $JOINED_IPV6_MC_ADDR
131 mc_send $h1 $JOINED_IPV6_MC_ADDR
132 mc_leave
133
134 mc_send $h1 $UNKNOWN_IPV4_MC_ADDR1
135 mc_send $h1 $UNKNOWN_IPV6_MC_ADDR1
136
137 ip link set dev $rcv_if_name allmulticast on
138 send_uc_ipv4 $h1 $UNKNOWN_UC_ADDR3
139 mc_send $h1 $UNKNOWN_IPV4_MC_ADDR3
140 mc_send $h1 $UNKNOWN_IPV6_MC_ADDR3
141 ip link set dev $rcv_if_name allmulticast off
142
143 mc_route_destroy $rcv_if_name
144 mc_route_destroy $h1
145
146 sleep 1
147
148 tcpdump_stop $rcv_if_name
149
150 check_rcv $rcv_if_name "Unicast IPv4 to primary MAC address" \
151 "$smac > $rcv_dmac, ethertype IPv4 (0x0800)" \
152 true
153
154 check_rcv $rcv_if_name "Unicast IPv4 to macvlan MAC address" \
155 "$smac > $MACVLAN_ADDR, ethertype IPv4 (0x0800)" \
156 true
157
158 check_rcv $rcv_if_name "Unicast IPv4 to unknown MAC address" \
159 "$smac > $UNKNOWN_UC_ADDR1, ethertype IPv4 (0x0800)" \
160 false
161
162 check_rcv $rcv_if_name "Unicast IPv4 to unknown MAC address, promisc" \
163 "$smac > $UNKNOWN_UC_ADDR2, ethertype IPv4 (0x0800)" \
164 true
165
166 check_rcv $rcv_if_name "Unicast IPv4 to unknown MAC address, allmulti" \
167 "$smac > $UNKNOWN_UC_ADDR3, ethertype IPv4 (0x0800)" \
168 false
169
170 check_rcv $rcv_if_name "Multicast IPv4 to joined group" \
171 "$smac > $JOINED_MACV4_MC_ADDR, ethertype IPv4 (0x0800)" \
172 true
173
174 check_rcv $rcv_if_name "Multicast IPv4 to unknown group" \
175 "$smac > $UNKNOWN_MACV4_MC_ADDR1, ethertype IPv4 (0x0800)" \
176 false
177
178 check_rcv $rcv_if_name "Multicast IPv4 to unknown group, promisc" \
179 "$smac > $UNKNOWN_MACV4_MC_ADDR2, ethertype IPv4 (0x0800)" \
180 true
181
182 check_rcv $rcv_if_name "Multicast IPv4 to unknown group, allmulti" \
183 "$smac > $UNKNOWN_MACV4_MC_ADDR3, ethertype IPv4 (0x0800)" \
184 true
185
186 check_rcv $rcv_if_name "Multicast IPv6 to joined group" \
187 "$smac > $JOINED_MACV6_MC_ADDR, ethertype IPv6 (0x86dd)" \
188 true
189
190 check_rcv $rcv_if_name "Multicast IPv6 to unknown group" \
191 "$smac > $UNKNOWN_MACV6_MC_ADDR1, ethertype IPv6 (0x86dd)" \
192 false
193
194 check_rcv $rcv_if_name "Multicast IPv6 to unknown group, promisc" \
195 "$smac > $UNKNOWN_MACV6_MC_ADDR2, ethertype IPv6 (0x86dd)" \
196 true
197
198 check_rcv $rcv_if_name "Multicast IPv6 to unknown group, allmulti" \
199 "$smac > $UNKNOWN_MACV6_MC_ADDR3, ethertype IPv6 (0x86dd)" \
200 true
201
202 tcpdump_cleanup $rcv_if_name
203}
204
205h1_create()
206{
207 simple_if_init $h1 $H1_IPV4/24 $H1_IPV6/64
208}
209
210h1_destroy()
211{
212 simple_if_fini $h1 $H1_IPV4/24 $H1_IPV6/64
213}
214
215h2_create()
216{
217 simple_if_init $h2 $H2_IPV4/24 $H2_IPV6/64
218}
219
220h2_destroy()
221{
222 simple_if_fini $h2 $H2_IPV4/24 $H2_IPV6/64
223}
224
225bridge_create()
226{
227 ip link add br0 type bridge
228 ip link set br0 address $BRIDGE_ADDR
229 ip link set br0 up
230
231 ip link set $h2 master br0
232 ip link set $h2 up
233
234 simple_if_init br0 $H2_IPV4/24 $H2_IPV6/64
235}
236
237bridge_destroy()
238{
239 simple_if_fini br0 $H2_IPV4/24 $H2_IPV6/64
240
241 ip link del br0
242}
243
244standalone()
245{
246 h1_create
247 h2_create
248
249 ip link add link $h2 name macvlan0 type macvlan mode private
250 ip link set macvlan0 address $MACVLAN_ADDR
251 ip link set macvlan0 up
252
253 run_test $h2
254
255 ip link del macvlan0
256
257 h2_destroy
258 h1_destroy
259}
260
261bridge()
262{
263 h1_create
264 bridge_create
265
266 ip link add link br0 name macvlan0 type macvlan mode private
267 ip link set macvlan0 address $MACVLAN_ADDR
268 ip link set macvlan0 up
269
270 run_test br0
271
272 ip link del macvlan0
273
274 bridge_destroy
275 h1_destroy
276}
277
278cleanup()
279{
280 pre_cleanup
281 vrf_cleanup
282}
283
284setup_prepare()
285{
286 vrf_prepare
287 # setup_wait() needs this
288 ip link set $h1 up
289 ip link set $h2 up
290}
291
292trap cleanup EXIT
293
294setup_prepare
295setup_wait
296
297tests_run
298
299exit $EXIT_STATUS