selftests: forwarding: vxlan_bridge_1d: Add more ECN decap test cases

Test that all possible combinations of inner and outer ECN bits result
in the correct inner ECN marking according to RFC 6040 4.2.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh
index 0ccb1dd..eb307ca 100755 (executable)
--- a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh
+++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh
@@ -657,10 +657,21 @@ test_ecn_decap()
 {
        # In accordance with INET_ECN_decapsulate()
        __test_ecn_decap 00 00 0x00
+       __test_ecn_decap 00 01 0x00
+       __test_ecn_decap 00 02 0x00
+       # 00 03 is tested in test_ecn_decap_error()
+       __test_ecn_decap 01 00 0x01
        __test_ecn_decap 01 01 0x01
-       __test_ecn_decap 02 01 0x01
+       __test_ecn_decap 01 02 0x01
        __test_ecn_decap 01 03 0x03
+       __test_ecn_decap 02 00 0x02
+       __test_ecn_decap 02 01 0x01
+       __test_ecn_decap 02 02 0x02
        __test_ecn_decap 02 03 0x03
+       __test_ecn_decap 03 00 0x03
+       __test_ecn_decap 03 01 0x03
+       __test_ecn_decap 03 02 0x03
+       __test_ecn_decap 03 03 0x03
        test_ecn_decap_error
 }