openflow_input: add BSN extensions to OF 1.4
I left out the following extensions that are no longer used or have been
superceded by the standard:
- bsn_disable_split_horizon_check
- bsn_role_status
- bsn_global_vrf_allowed
diff --git a/openflow_input/bsn_tlv b/openflow_input/bsn_tlv
index 8b55b03..2fc4f86 100644
--- a/openflow_input/bsn_tlv
+++ b/openflow_input/bsn_tlv
@@ -29,6 +29,7 @@
// governing permissions and limitations under the EPL.
#version 4
+#version 5
struct of_bsn_tlv_port : of_bsn_tlv {
uint16_t type == 0;