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 two_bridges one_bridge_two_pvids"
5NUM_NETIFS=4
6
7source lib.sh
8
9h1=${NETIFS[p1]}
10h2=${NETIFS[p3]}
11swp1=${NETIFS[p2]}
12swp2=${NETIFS[p4]}
13
14H1_IPV4="192.0.2.1"
15H2_IPV4="192.0.2.2"
16H1_IPV6="2001:db8:1::1"
17H2_IPV6="2001:db8:1::2"
18
19IPV4_ALLNODES="224.0.0.1"
20IPV6_ALLNODES="ff02::1"
21MACV4_ALLNODES="01:00:5e:00:00:01"
22MACV6_ALLNODES="33:33:00:00:00:01"
23NON_IP_MC="01:02:03:04:05:06"
24NON_IP_PKT="00:04 48:45:4c:4f"
25BC="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
29vids=(0 1 2 5 10 20 50 100 200 500 1000 1000 2000 4000 4094)
30
31send_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
40send_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
50send_mc_ipv4()
51{
52 local if_name=$1
53
54 ping_do $if_name $IPV4_ALLNODES "-I $if_name"
55}
56
57send_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
67send_mc_ipv6()
68{
69 local if_name=$1
70
71 ping6_do $if_name $IPV6_ALLNODES%$if_name
72}
73
74check_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
90run_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
179standalone()
180{
181 run_test "Standalone switch ports"
182}
183
184two_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
197one_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 $swp1 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
212h1_create()
213{
214 simple_if_init $h1 $H1_IPV4/24 $H1_IPV6/64
215}
216
217h1_destroy()
218{
219 simple_if_fini $h1 $H1_IPV4/24 $H1_IPV6/64
220}
221
222h2_create()
223{
224 simple_if_init $h2 $H2_IPV4/24 $H2_IPV6/64
225}
226
227h2_destroy()
228{
229 simple_if_fini $h2 $H2_IPV4/24 $H2_IPV6/64
230}
231
232cleanup()
233{
234 pre_cleanup
235
236 h2_destroy
237 h1_destroy
238
239 vrf_cleanup
240}
241
242setup_prepare()
243{
244 vrf_prepare
245
246 h1_create
247 h2_create
248 # we call simple_if_init from the test itself, but setup_wait expects
249 # that we call it from here, and waits until the interfaces are up
250 ip link set dev $swp1 up
251 ip link set dev $swp2 up
252}
253
254trap cleanup EXIT
255
256setup_prepare
257setup_wait
258
259tests_run
260
261exit $EXIT_STATUS