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Commit 181d95f8 authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

selftests: forwarding: Test mirror-to-gre w/ UL 802.1d+VLAN 



Test for "tc action mirred egress mirror" that mirrors to GRE when the
underlay route points at an 802.1d bridge and packet egresses through a
VLAN device.

Besides testing basic connectivity, this also tests that the traffic is
properly tagged.

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a08fb9f1

tools/testing/selftests/net/forwarding/mirror_gre_bridge_1d_vlan.sh

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#!/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

"



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



	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 'vlan_id 555 vlan_ethtype ip' "mirror to gretap"

}



test_ip6gretap()

{

	test_vlan_match gt6 'vlan_id 555 vlan_ethtype ipv6' "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