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superceded by the standard: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_log b/openflow_input/bsn_log
index b2a9758..e636d6e 100644
--- a/openflow_input/bsn_log
+++ b/openflow_input/bsn_log
@@ -29,6 +29,7 @@
// the receiver's configured loglevel is lower than the message's loglevel.
#version 4
+#version 5
enum ofp_bsn_loglevel(wire_type=uint8_t) {
OFP_BSN_LOGLEVEL_MSG = 0,