tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4# +------------------------+ +----------------------+
5# | H1 (vrf) | | H2 (vrf) |
6# | + $h1.555 | | + $h2.777 |
7# | | 192.0.2.1/28 | | | 192.0.2.18/28 |
8# | | 2001:db8:1::1/64 | | | 2001:db8:2::2/64 |
9# | | | | | |
10# | + $h1 | | + $h2 |
11# +----|-------------------+ +--|-------------------+
12# | |
13# +----|--------------------------------------------------|-------------------+
14# | SW | | |
15# | +--|--------------------------------------------------|-----------------+ |
16# | | + $swp1 BR1 (802.1q) + $swp2 | |
17# | | | |
18# | +------+------------------------------------------+---------------------+ |
19# | | | |
20# | + br1.555 + br1.777 |
21# | 192.0.2.2/28 192.0.2.17/28 |
22# | 2001:db8:1::2/64 2001:db8:2::1/64 |
23# +---------------------------------------------------------------------------+
24
25ALL_TESTS="
26 ping_ipv4
27 ping_ipv6
28 respin_config
29 ping_ipv4
30 ping_ipv6
31"
32NUM_NETIFS=4
33source lib.sh
34
35h1_create()
36{
37 simple_if_init $h1
38 vlan_create $h1 555 v$h1 192.0.2.1/28 2001:db8:1::1/64
39 ip -4 route add 192.0.2.16/28 vrf v$h1 nexthop via 192.0.2.2
40 ip -6 route add 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::2
41}
42
43h1_destroy()
44{
45 ip -6 route del 2001:db8:2::/64 vrf v$h1
46 ip -4 route del 192.0.2.16/28 vrf v$h1
47 vlan_destroy $h1 555
48 simple_if_fini $h1
49}
50
51h2_create()
52{
53 simple_if_init $h2
54 vlan_create $h2 777 v$h2 192.0.2.18/28 2001:db8:2::2/64
55 ip -4 route add 192.0.2.0/28 vrf v$h2 nexthop via 192.0.2.17
56 ip -6 route add 2001:db8:1::/64 vrf v$h2 nexthop via 2001:db8:2::1
57}
58
59h2_destroy()
60{
61 ip -6 route del 2001:db8:1::/64 vrf v$h2
62 ip -4 route del 192.0.2.0/28 vrf v$h2
63 vlan_destroy $h2 777
64 simple_if_fini $h2
65}
66
67router_create()
68{
69 ip link add name br1 address $(mac_get $swp1) \
70 type bridge vlan_filtering 1
71 ip link set dev br1 up
72
73 ip link set dev $swp1 master br1
74 ip link set dev $swp2 master br1
75 ip link set dev $swp1 up
76 ip link set dev $swp2 up
77
78 bridge vlan add dev br1 vid 555 self
79 bridge vlan add dev br1 vid 777 self
80 bridge vlan add dev $swp1 vid 555
81 bridge vlan add dev $swp2 vid 777
82
83 vlan_create br1 555 "" 192.0.2.2/28 2001:db8:1::2/64
84 vlan_create br1 777 "" 192.0.2.17/28 2001:db8:2::1/64
85}
86
87router_destroy()
88{
89 vlan_destroy br1 777
90 vlan_destroy br1 555
91
92 bridge vlan del dev $swp2 vid 777
93 bridge vlan del dev $swp1 vid 555
94 bridge vlan del dev br1 vid 777 self
95 bridge vlan del dev br1 vid 555 self
96
97 ip link set dev $swp2 down nomaster
98 ip link set dev $swp1 down nomaster
99
100 ip link set dev br1 down
101 ip link del dev br1
102}
103
104setup_prepare()
105{
106 h1=${NETIFS[p1]}
107 swp1=${NETIFS[p2]}
108
109 swp2=${NETIFS[p3]}
110 h2=${NETIFS[p4]}
111
112 vrf_prepare
113
114 h1_create
115 h2_create
116
117 router_create
118
119 forwarding_enable
120}
121
122cleanup()
123{
124 pre_cleanup
125
126 forwarding_restore
127
128 router_destroy
129
130 h2_destroy
131 h1_destroy
132
133 vrf_cleanup
134}
135
136ping_ipv4()
137{
138 ping_test $h1 192.0.2.18
139}
140
141ping_ipv6()
142{
143 ping6_test $h1 2001:db8:2::2
144}
145
146respin_config()
147{
148 log_info "Remaster bridge slave"
149
150 ip link set dev $swp2 nomaster
151 ip link set dev $swp1 nomaster
152
153 sleep 2
154
155 ip link set dev $swp1 master br1
156 ip link set dev $swp2 master br1
157
158 bridge vlan add dev $swp1 vid 555
159 bridge vlan add dev $swp2 vid 777
160}
161
162trap cleanup EXIT
163
164setup_prepare
165setup_wait
166
167tests_run
168
169exit $EXIT_STATUS