1 files changed, 140 insertions, 0 deletions

diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_vlan_bridge_1q.sh b/tools/testing/selftests/net/forwarding/mirror_gre_vlan_bridge_1q.sh
new file mode 100755
index 000000000000..01ec28ac2e4a
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_vlan_bridge_1q.sh
@@ -0,0 +1,140 @@
+#!/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
+# vlan device on top of a bridge device with vlan filtering (802.1q).
+
+ALL_TESTS="
+        test_gretap
+        test_ip6gretap
+        test_gretap_forbidden
+        test_ip6gretap_forbidden
+"
+
+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
+
+        vlan_create br1 555 "" 192.0.2.129/32 2001:db8:2::1/128
+        bridge vlan add dev br1 vid 555 self
+        ip route rep 192.0.2.130/32 dev br1.555
+        ip -6 route rep 2001:db8:2::2/128 dev br1.555
+
+        vlan_create $h3 555 v$h3 192.0.2.130/28 2001:db8:2::2/64
+
+        ip link set dev $swp3 master br1
+        bridge vlan add dev $swp3 vid 555
+}
+
+cleanup()
+{
+        pre_cleanup
+
+        ip link set dev $swp3 nomaster
+        vlan_destroy $h3 555
+        vlan_destroy br1 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_span_gre_forbidden()
+{
+        local tundev=$1; shift
+        local what=$1; shift
+
+        RET=0
+
+        # Run the pass-test first, to prime neighbor table.
+        mirror_install $swp1 ingress $tundev "matchall $tcflags"
+        quick_test_span_gre_dir $tundev ingress
+
+        # Now forbid the VLAN at the bridge and see it fail.
+        bridge vlan del dev br1 vid 555 self
+        sleep 1
+
+        fail_test_span_gre_dir $tundev ingress
+        mirror_uninstall $swp1 ingress
+
+        bridge vlan add dev br1 vid 555 self
+        sleep 1
+
+        log_test "$what: vlan forbidden at a bridge ($tcflags)"
+}
+
+test_gretap_forbidden()
+{
+        test_span_gre_forbidden gt4 "mirror to gretap"
+}
+
+test_ip6gretap_forbidden()
+{
+        test_span_gre_forbidden gt4 "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