mirror_topo_lib.sh

  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 addrgenmode none
 64	ip link set dev br1 up
 65
 66	ip link set dev $swp1 master br1
 67	ip link set dev $swp1 up
 68
 69	ip link set dev $swp2 master br1
 70	ip link set dev $swp2 up
 71
 72	tc qdisc add dev $swp1 clsact
 73}
 74
 75mirror_topo_switch_destroy()
 76{
 77	tc qdisc del dev $swp1 clsact
 78
 79	ip link set dev $swp1 down
 80	ip link set dev $swp2 down
 81	ip link del dev br1
 82
 83	ip link set dev $swp3 down
 84}
 85
 86mirror_topo_create()
 87{
 88	mirror_topo_h1_create
 89	mirror_topo_h2_create
 90	mirror_topo_h3_create
 91
 92	mirror_topo_switch_create
 93}
 94
 95mirror_topo_destroy()
 96{
 97	mirror_topo_switch_destroy
 98
 99	mirror_topo_h3_destroy
100	mirror_topo_h2_destroy
101	mirror_topo_h1_destroy
102}