diff --git a/src/python/loxi/of13/const.py b/src/python/loxi/of13/const.py
index cae3396..c88b084 100644
--- a/src/python/loxi/of13/const.py
+++ b/src/python/loxi/of13/const.py
@@ -237,6 +237,31 @@
     2: 'OFP_BSN_CONTROLLER_ROLE_REASON_EXPERIMENTER',
 }
 
+# Identifiers from group ofp_bsn_pktin_flag
+OFP_BSN_PKTIN_FLAG_PDU = 1
+OFP_BSN_PKTIN_FLAG_NEW_HOST = 2
+OFP_BSN_PKTIN_FLAG_STATION_MOVE = 4
+OFP_BSN_PKTIN_FLAG_ARP = 8
+OFP_BSN_PKTIN_FLAG_DHCP = 16
+OFP_BSN_PKTIN_FLAG_L2_CPU = 32
+OFP_BSN_PKTIN_FLAG_DEBUG = 64
+OFP_BSN_PKTIN_FLAG_TTL_EXPIRED = 128
+OFP_BSN_PKTIN_FLAG_L3_MISS = 256
+OFP_BSN_PKTIN_FLAG_L3_CPU = 512
+
+ofp_bsn_pktin_flag_map = {
+    1: 'OFP_BSN_PKTIN_FLAG_PDU',
+    2: 'OFP_BSN_PKTIN_FLAG_NEW_HOST',
+    4: 'OFP_BSN_PKTIN_FLAG_STATION_MOVE',
+    8: 'OFP_BSN_PKTIN_FLAG_ARP',
+    16: 'OFP_BSN_PKTIN_FLAG_DHCP',
+    32: 'OFP_BSN_PKTIN_FLAG_L2_CPU',
+    64: 'OFP_BSN_PKTIN_FLAG_DEBUG',
+    128: 'OFP_BSN_PKTIN_FLAG_TTL_EXPIRED',
+    256: 'OFP_BSN_PKTIN_FLAG_L3_MISS',
+    512: 'OFP_BSN_PKTIN_FLAG_L3_CPU',
+}
+
 # Identifiers from group ofp_bsn_port_counter
 OFP_BSN_PORT_COUNTER_RX_BYTES = 0
 OFP_BSN_PORT_COUNTER_RX_PACKETS_UNICAST = 1
@@ -266,6 +291,28 @@
     11: 'OFP_BSN_PORT_COUNTER_TX_ERRORS',
 }
 
+# Identifiers from group ofp_bsn_udf_anchor
+OFP_BSN_UDF_ANCHOR_PACKET_START = 0
+OFP_BSN_UDF_ANCHOR_L3_HEADER_START = 1
+OFP_BSN_UDF_ANCHOR_L4_HEADER_START = 2
+
+ofp_bsn_udf_anchor_map = {
+    0: 'OFP_BSN_UDF_ANCHOR_PACKET_START',
+    1: 'OFP_BSN_UDF_ANCHOR_L3_HEADER_START',
+    2: 'OFP_BSN_UDF_ANCHOR_L4_HEADER_START',
+}
+
+# Identifiers from group ofp_bsn_vport_l2gre_flags
+OF_BSN_VPORT_L2GRE_LOCAL_MAC_IS_VALID = 1
+OF_BSN_VPORT_L2GRE_DSCP_ASSIGN = 2
+OF_BSN_VPORT_L2GRE_DSCP_COPY = 4
+
+ofp_bsn_vport_l2gre_flags_map = {
+    1: 'OF_BSN_VPORT_L2GRE_LOCAL_MAC_IS_VALID',
+    2: 'OF_BSN_VPORT_L2GRE_DSCP_ASSIGN',
+    4: 'OF_BSN_VPORT_L2GRE_DSCP_COPY',
+}
+
 # Identifiers from group ofp_bsn_vport_q_in_q_untagged
 OF_BSN_VPORT_Q_IN_Q_UNTAGGED = 65535