[PATCH net-next mlxsw 2/2] selftests: forwarding: Test mirror-to-gre w/ UL 802.1q

[Petr Machata]

Test for "tc action mirred egress mirror" that mirrors to gretap when
the underlay route points at a VLAN-aware bridge (802.1q).

Signed-off-by: Petr Machata <petrm at mellanox.com>
---
 .../net/forwarding/mirror_gre_bridge_1q.sh         | 96 ++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100755 tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh

diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh
new file mode 100755
index 0000000..55f1fab
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh
@@ -0,0 +1,96 @@
+#!/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 with vlan filtering (802.1q).
+
+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 set dev $swp3 master br1
+	bridge vlan add dev br1 vid 555 pvid untagged self
+	ip address add dev br1 192.0.2.129/32
+	ip address add dev br1 2001:db8:2::1/128
+
+	ip -4 route add 192.0.2.130/32 dev br1
+	ip -6 route add 2001:db8:2::2/128 dev br1
+
+	vlan_create $h3 555 v$h3 192.0.2.130/28 2001:db8:2::2/64
+	bridge vlan add dev $swp3 vid 555
+}
+
+cleanup()
+{
+	pre_cleanup
+
+	ip link set dev $swp3 nomaster
+	vlan_destroy $h3 555
+
+	mirror_gre_topo_destroy
+	vrf_cleanup
+}
+
+test_gretap()
+{
+	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()
+{
+	full_test_span_gre_dir gt6 ingress 8 0 "mirror to ip6gretap"
+	full_test_span_gre_dir gt6 egress 0 8 "mirror to ip6gretap"
+}
+
+tests()
+{
+	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"
+tests
+
+if ! tc_offload_check; then
+	echo "WARN: Could not test offloaded functionality"
+else
+	tcflags="skip_sw"
+	tests
+fi
+
+exit $EXIT_STATUS
-- 
2.4.11