mirror_gre_bridge_1d_vlan.sh

  1#!/bin/bash
  2# SPDX-License-Identifier: GPL-2.0
  3
  4# This test uses standard topology for testing gretap. See
  5# mirror_gre_topo_lib.sh for more details.
  6#
  7# Test for "tc action mirred egress mirror" when the underlay route points at a
  8# bridge device without vlan filtering (802.1d). The device attached to that
  9# bridge is a VLAN.
 10
 11ALL_TESTS="
 12	test_gretap
 13	test_ip6gretap
 14	test_gretap_stp
 15	test_ip6gretap_stp
 16"
 17
 18NUM_NETIFS=6
 19source lib.sh
 20source mirror_lib.sh
 21source mirror_gre_lib.sh
 22source mirror_gre_topo_lib.sh
 23
 24setup_prepare()
 25{
 26	h1=${NETIFS[p1]}
 27	swp1=${NETIFS[p2]}
 28
 29	swp2=${NETIFS[p3]}
 30	h2=${NETIFS[p4]}
 31
 32	swp3=${NETIFS[p5]}
 33	h3=${NETIFS[p6]}
 34
 35	vrf_prepare
 36	mirror_gre_topo_create
 37
 38	ip link add name br2 address $(mac_get $swp3) \
 39		type bridge vlan_filtering 0
 40	ip link set dev br2 up
 41
 42	vlan_create $swp3 555
 43
 44	ip link set dev $swp3.555 master br2
 45	ip route add 192.0.2.130/32 dev br2
 46	ip -6 route add 2001:db8:2::2/128 dev br2
 47
 48	ip address add dev br2 192.0.2.129/32
 49	ip address add dev br2 2001:db8:2::1/128
 50
 51	vlan_create $h3 555 v$h3 192.0.2.130/28 2001:db8:2::2/64
 52}
 53
 54cleanup()
 55{
 56	pre_cleanup
 57
 58	vlan_destroy $h3 555
 59	ip link del dev br2
 60	vlan_destroy $swp3 555
 61
 62	mirror_gre_topo_destroy
 63	vrf_cleanup
 64}
 65
 66test_vlan_match()
 67{
 68	local tundev=$1; shift
 69	local vlan_match=$1; shift
 70	local what=$1; shift
 71
 72	full_test_span_gre_dir_vlan $tundev ingress "$vlan_match" 8 0 "$what"
 73	full_test_span_gre_dir_vlan $tundev egress "$vlan_match" 0 8 "$what"
 74}
 75
 76test_gretap()
 77{
 78	test_vlan_match gt4 'skip_hw vlan_id 555 vlan_ethtype ip' \
 79			"mirror to gretap"
 80}
 81
 82test_ip6gretap()
 83{
 84	test_vlan_match gt6 'skip_hw vlan_id 555 vlan_ethtype ipv6' \
 85			"mirror to ip6gretap"
 86}
 87
 88test_gretap_stp()
 89{
 90	# Sometimes after mirror installation, the neighbor's state is not valid.
 91	# The reason is that there is no SW datapath activity related to the
 92	# neighbor for the remote GRE address. Therefore whether the corresponding
 93	# neighbor will be valid is a matter of luck, and the test is thus racy.
 94	# Set the neighbor's state to permanent, so it would be always valid.
 95	ip neigh replace 192.0.2.130 lladdr $(mac_get $h3) \
 96		nud permanent dev br2
 97	full_test_span_gre_stp gt4 $swp3.555 "mirror to gretap"
 98}
 99
100test_ip6gretap_stp()
101{
102	ip neigh replace 2001:db8:2::2 lladdr $(mac_get $h3) \
103		nud permanent dev br2
104	full_test_span_gre_stp gt6 $swp3.555 "mirror to ip6gretap"
105}
106
107trap cleanup EXIT
108
109setup_prepare
110setup_wait
111
112tests_run
113
114exit $EXIT_STATUS