mirror_gre_bridge_1d.sh

  1#!/bin/bash
  2# SPDX-License-Identifier: GPL-2.0
  3
  4# Test for "tc action mirred egress mirror" when the underlay route points at a
  5# bridge device without vlan filtering (802.1d).
  6#
  7# This test uses standard topology for testing mirror-to-gretap. See
  8# mirror_gre_topo_lib.sh for more details. The full topology is as follows:
  9#
 10#  +---------------------+                             +---------------------+
 11#  | H1                  |                             |                  H2 |
 12#  |     + $h1           |                             |           $h2 +     |
 13#  |     | 192.0.2.1/28  |                             |  192.0.2.2/28 |     |
 14#  +-----|---------------+                             +---------------|-----+
 15#        |                                                             |
 16#  +-----|-------------------------------------------------------------|-----+
 17#  | SW  o---> mirror                                                  |     |
 18#  | +---|-------------------------------------------------------------|---+ |
 19#  | |   + $swp1            + br1 (802.1q bridge)                $swp2 +   | |
 20#  | +---------------------------------------------------------------------+ |
 21#  |                                                                         |
 22#  | +---------------------------------------------------------------------+ |
 23#  | |                      + br2 (802.1d bridge)                          | |
 24#  | |                        192.0.2.129/28                               | |
 25#  | |   + $swp3              2001:db8:2::1/64                             | |
 26#  | +---|-----------------------------------------------------------------+ |
 27#  |     |                                          ^                    ^   |
 28#  |     |                     + gt6 (ip6gretap)    | + gt4 (gretap)     |   |
 29#  |     |                     : loc=2001:db8:2::1  | : loc=192.0.2.129  |   |
 30#  |     |                     : rem=2001:db8:2::2 -+ : rem=192.0.2.130 -+   |
 31#  |     |                     : ttl=100              : ttl=100              |
 32#  |     |                     : tos=inherit          : tos=inherit          |
 33#  +-----|---------------------:----------------------:----------------------+
 34#        |                     :                      :
 35#  +-----|---------------------:----------------------:----------------------+
 36#  | H3  + $h3                 + h3-gt6(ip6gretap)    + h3-gt4 (gretap)      |
 37#  |       192.0.2.130/28        loc=2001:db8:2::2      loc=192.0.2.130      |
 38#  |       2001:db8:2::2/64      rem=2001:db8:2::1      rem=192.0.2.129      |
 39#  |                             ttl=100                ttl=100              |
 40#  |                             tos=inherit            tos=inherit          |
 41#  +-------------------------------------------------------------------------+
 42
 43ALL_TESTS="
 44	test_gretap
 45	test_ip6gretap
 46"
 47
 48NUM_NETIFS=6
 49source lib.sh
 50source mirror_lib.sh
 51source mirror_gre_lib.sh
 52source mirror_gre_topo_lib.sh
 53
 54setup_prepare()
 55{
 56	h1=${NETIFS[p1]}
 57	swp1=${NETIFS[p2]}
 58
 59	swp2=${NETIFS[p3]}
 60	h2=${NETIFS[p4]}
 61
 62	swp3=${NETIFS[p5]}
 63	h3=${NETIFS[p6]}
 64
 65	vrf_prepare
 66	mirror_gre_topo_create
 67
 68	ip link add name br2 address $(mac_get $swp3) \
 69		type bridge vlan_filtering 0
 70	ip link set dev br2 up
 71
 72	ip link set dev $swp3 master br2
 73	ip route add 192.0.2.130/32 dev br2
 74	ip -6 route add 2001:db8:2::2/128 dev br2
 75
 76	ip address add dev br2 192.0.2.129/28
 77	ip address add dev br2 2001:db8:2::1/64
 78
 79	ip address add dev $h3 192.0.2.130/28
 80	ip address add dev $h3 2001:db8:2::2/64
 81}
 82
 83cleanup()
 84{
 85	pre_cleanup
 86
 87	ip address del dev $h3 2001:db8:2::2/64
 88	ip address del dev $h3 192.0.2.130/28
 89	ip link del dev br2
 90
 91	mirror_gre_topo_destroy
 92	vrf_cleanup
 93}
 94
 95test_gretap()
 96{
 97	ip neigh replace 192.0.2.130 lladdr $(mac_get $h3) \
 98		 nud permanent dev br2
 99	full_test_span_gre_dir gt4 ingress 8 0 "mirror to gretap"
100	full_test_span_gre_dir gt4 egress 0 8 "mirror to gretap"
101}
102
103test_ip6gretap()
104{
105	ip neigh replace 2001:db8:2::2 lladdr $(mac_get $h3) \
106		nud permanent dev br2
107	full_test_span_gre_dir gt6 ingress 8 0 "mirror to ip6gretap"
108	full_test_span_gre_dir gt6 egress 0 8 "mirror to ip6gretap"
109}
110
111trap cleanup EXIT
112
113setup_prepare
114setup_wait
115
116tests_run
117
118exit $EXIT_STATUS