xref: /linux/tools/testing/selftests/net/forwarding/local_termination.sh (revision 3d0fe49454652117522f60bfbefb978ba0e5300b) 
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
300