add bsn_vlan_xlate_port_group_id extension
diff --git a/java_gen/java_type.py b/java_gen/java_type.py
index 8c06379..dc803df 100644
--- a/java_gen/java_type.py
+++ b/java_gen/java_type.py
@@ -647,6 +647,9 @@
         'of_oxm_bsn_tcp_flags' : { 'value' : u16obj },
         'of_oxm_bsn_tcp_flags_masked' : { 'value' : u16obj, 'value_mask' : u16obj },
 
+        'of_oxm_bsn_vlan_xlate_port_group_id' : { 'value' : class_id },
+        'of_oxm_bsn_vlan_xlate_port_group_id_masked' : { 'value' : class_id, 'value_mask' : class_id },
+
         'of_table_stats_entry': { 'wildcards': table_stats_wildcards },
         'of_match_v1': { 'vlan_vid' : vlan_vid_match, 'vlan_pcp': vlan_pcp,
                 'eth_type': eth_type, 'ip_dscp': ip_dscp, 'ip_proto': ip_proto,
diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchField.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchField.java
index f103230..78e6075 100644
--- a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchField.java
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchField.java
@@ -232,6 +232,9 @@
     public final static MatchField<U16> BSN_TCP_FLAGS =
             new MatchField<U16>("bsn_tcp_flags", MatchFields.BSN_TCP_FLAGS);
 
+    public final static MatchField<ClassId> BSN_VLAN_XLATE_PORT_GROUP_ID =
+            new MatchField<ClassId>("bsn_vlan_xlate_port_group_id", MatchFields.BSN_VLAN_XLATE_PORT_GROUP_ID);
+
     public String getName() {
         return name;
     }
diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchFields.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchFields.java
index 354a528..863634e 100644
--- a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchFields.java
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/match/MatchFields.java
@@ -56,4 +56,5 @@
     BSN_UDF6,
     BSN_UDF7,
     BSN_TCP_FLAGS,
+    BSN_VLAN_XLATE_PORT_GROUP_ID,
 }