tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2
3# This is the standard topology for testing mirroring. The tests that use it
4# tweak it in one way or another--typically add more devices to the topology.
5#
6# +---------------------+ +---------------------+
7# | H1 | | H2 |
8# | + $h1 | | $h2 + |
9# | | 192.0.2.1/28 | | 192.0.2.2/28 | |
10# +-----|---------------+ +---------------|-----+
11# | |
12# +-----|-------------------------------------------------------------|-----+
13# | SW o--> mirror | |
14# | +---|-------------------------------------------------------------|---+ |
15# | | + $swp1 BR $swp2 + | |
16# | +---------------------------------------------------------------------+ |
17# | |
18# | + $swp3 |
19# +-----|-------------------------------------------------------------------+
20# |
21# +-----|-------------------------------------------------------------------+
22# | H3 + $h3 |
23# | |
24# +-------------------------------------------------------------------------+
25
26mirror_topo_h1_create()
27{
28 simple_if_init $h1 192.0.2.1/28
29}
30
31mirror_topo_h1_destroy()
32{
33 simple_if_fini $h1 192.0.2.1/28
34}
35
36mirror_topo_h2_create()
37{
38 simple_if_init $h2 192.0.2.2/28
39}
40
41mirror_topo_h2_destroy()
42{
43 simple_if_fini $h2 192.0.2.2/28
44}
45
46mirror_topo_h3_create()
47{
48 simple_if_init $h3
49 tc qdisc add dev $h3 clsact
50}
51
52mirror_topo_h3_destroy()
53{
54 tc qdisc del dev $h3 clsact
55 simple_if_fini $h3
56}
57
58mirror_topo_switch_create()
59{
60 ip link set dev $swp3 up
61
62 ip link add name br1 type bridge vlan_filtering 1
63 ip link set dev br1 up
64
65 ip link set dev $swp1 master br1
66 ip link set dev $swp1 up
67
68 ip link set dev $swp2 master br1
69 ip link set dev $swp2 up
70
71 tc qdisc add dev $swp1 clsact
72}
73
74mirror_topo_switch_destroy()
75{
76 tc qdisc del dev $swp1 clsact
77
78 ip link set dev $swp1 down
79 ip link set dev $swp2 down
80 ip link del dev br1
81
82 ip link set dev $swp3 down
83}
84
85mirror_topo_create()
86{
87 mirror_topo_h1_create
88 mirror_topo_h2_create
89 mirror_topo_h3_create
90
91 mirror_topo_switch_create
92}
93
94mirror_topo_destroy()
95{
96 mirror_topo_switch_destroy
97
98 mirror_topo_h3_destroy
99 mirror_topo_h2_destroy
100 mirror_topo_h1_destroy
101}