#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# This test uses standard topology for testing gretap. See
# mirror_gre_topo_lib.sh for more details.
#
# Test for "tc action mirred egress mirror" when the underlay route points at a
# bridge device without vlan filtering (802.1d). The device attached to that
# bridge is a VLAN.
ALL_TESTS="
test_gretap
test_ip6gretap
test_gretap_stp
test_ip6gretap_stp
"
NUM_NETIFS=6
source lib.sh
source mirror_lib.sh
source mirror_gre_lib.sh
source mirror_gre_topo_lib.sh
setup_prepare()
{
h1=${NETIFS[p1]}
swp1=${NETIFS[p2]}
swp2=${NETIFS[p3]}
h2=${NETIFS[p4]}
swp3=${NETIFS[p5]}
h3=${NETIFS[p6]}
vrf_prepare
mirror_gre_topo_create
ip link add name br2 address $(mac_get $swp3) \
type bridge vlan_filtering 0
ip link set dev br2 up
vlan_create $swp3 555
ip link set dev $swp3.555 master br2
ip route add 192.0.2.130/32 dev br2
ip -6 route add 2001:db8:2::2/128 dev br2
ip address add dev br2 192.0.2.129/32
ip address add dev br2 2001:db8:2::1/128
vlan_create $h3 555 v$h3 192.0.2.130/28 2001:db8:2::2/64
}
cleanup()
{
pre_cleanup
vlan_destroy $h3 555
ip link del dev br2
vlan_destroy $swp3 555
mirror_gre_topo_destroy
vrf_cleanup
}
test_vlan_match()
{
local tundev=$1; shift
local vlan_match=$1; shift
local what=$1; shift
full_test_span_gre_dir_vlan $tundev ingress "$vlan_match" 8 0 "$what"
full_test_span_gre_dir_vlan $tundev egress "$vlan_match" 0 8 "$what"
}
test_gretap()
{
test_vlan_match gt4 'skip_hw vlan_id 555 vlan_ethtype ip' \
"mirror to gretap"
}
test_ip6gretap()
{
test_vlan_match gt6 'skip_hw vlan_id 555 vlan_ethtype ipv6' \
"mirror to ip6gretap"
}
test_gretap_stp()
{
# Sometimes after mirror installation, the neighbor's state is not valid.
# The reason is that there is no SW datapath activity related to the
# neighbor for the remote GRE address. Therefore whether the corresponding
# neighbor will be valid is a matter of luck, and the test is thus racy.
# Set the neighbor's state to permanent, so it would be always valid.
ip neigh replace 192.0.2.130 lladdr $(mac_get $h3) \
nud permanent dev br2
full_test_span_gre_stp gt4 $swp3.555 "mirror to gretap"
}
test_ip6gretap_stp()
{
ip neigh replace 2001:db8:2::2 lladdr $(mac_get $h3) \
nud permanent dev br2
full_test_span_gre_stp gt6 $swp3.555 "mirror to ip6gretap"
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS