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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Test for "tc action mirred egress mirror" when the underlay route points at a
# bridge device without vlan filtering (802.1d).
#
# This test uses standard topology for testing mirror-to-gretap. See
# mirror_gre_topo_lib.sh for more details. The full topology is as follows:
#
# +---------------------+ +---------------------+
# | H1 | | H2 |
# | + $h1 | | $h2 + |
# | | 192.0.2.1/28 | | 192.0.2.2/28 | |
# +-----|---------------+ +---------------|-----+
# | |
# +-----|-------------------------------------------------------------|-----+
# | SW o---> mirror | |
# | +---|-------------------------------------------------------------|---+ |
# | | + $swp1 + br1 (802.1q bridge) $swp2 + | |
# | +---------------------------------------------------------------------+ |
# | |
# | +---------------------------------------------------------------------+ |
# | | + br2 (802.1d bridge) | |
# | | 192.0.2.129/28 | |
# | | + $swp3 2001:db8:2::1/64 | |
# | +---|-----------------------------------------------------------------+ |
# | | ^ ^ |
# | | + gt6 (ip6gretap) | + gt4 (gretap) | |
# | | : loc=2001:db8:2::1 | : loc=192.0.2.129 | |
# | | : rem=2001:db8:2::2 -+ : rem=192.0.2.130 -+ |
# | | : ttl=100 : ttl=100 |
# | | : tos=inherit : tos=inherit |
# +-----|---------------------:----------------------:----------------------+
# | : :
# +-----|---------------------:----------------------:----------------------+
# | H3 + $h3 + h3-gt6(ip6gretap) + h3-gt4 (gretap) |
# | 192.0.2.130/28 loc=2001:db8:2::2 loc=192.0.2.130 |
# | 2001:db8:2::2/64 rem=2001:db8:2::1 rem=192.0.2.129 |
# | ttl=100 ttl=100 |
# | tos=inherit tos=inherit |
# +-------------------------------------------------------------------------+
ALL_TESTS="
test_gretap
test_ip6gretap
"
NUM_NETIFS=6
source lib.sh
source mirror_lib.sh
source mirror_gre_lib.sh
source mirror_gre_topo_lib.sh
setup_prepare()
{
h1=${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 type bridge vlan_filtering 0
ip link set dev br2 up
ip link set dev $swp3 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 192.0.2.129/28
ip address add dev br2 2001:db8:2::1/64
ip address add dev $h3 192.0.2.130/28
ip address add dev $h3 2001:db8:2::2/64
}
cleanup()
{
pre_cleanup
ip address del dev $h3 2001:db8:2::2/64
ip address del dev $h3 192.0.2.130/28
ip link del dev br2
mirror_gre_topo_destroy
vrf_cleanup
}
test_gretap()
{
ip neigh replace 192.0.2.130 lladdr $(mac_get $h3) \
nud permanent dev br2
full_test_span_gre_dir gt4 ingress 8 0 "mirror to gretap"
full_test_span_gre_dir gt4 egress 0 8 "mirror to gretap"
}
test_ip6gretap()
{
ip neigh replace 2001:db8:2::2 lladdr $(mac_get $h3) \
nud permanent dev br2
full_test_span_gre_dir gt6 ingress 8 0 "mirror to ip6gretap"
full_test_span_gre_dir gt6 egress 0 8 "mirror to ip6gretap"
}
test_all()
{
slow_path_trap_install $swp1 ingress
slow_path_trap_install $swp1 egress
tests_run
slow_path_trap_uninstall $swp1 egress
slow_path_trap_uninstall $swp1 ingress
}
trap cleanup EXIT
setup_prepare
setup_wait
tcflags="skip_hw"
test_all
if ! tc_offload_check; then
echo "WARN: Could not test offloaded functionality"
else
tcflags="skip_sw"
test_all
fi
exit $EXIT_STATUS