diff --git a/of/lib/gen-src/main/java/org/projectfloodlight/openflow/protocol/ver12/OFFlowModFlagsSerializerVer12.java b/of/lib/gen-src/main/java/org/projectfloodlight/openflow/protocol/ver12/OFFlowModFlagsSerializerVer12.java
new file mode 100644
index 0000000..7bc1953
--- /dev/null
+++ b/of/lib/gen-src/main/java/org/projectfloodlight/openflow/protocol/ver12/OFFlowModFlagsSerializerVer12.java
@@ -0,0 +1,90 @@
+// Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior University
+// Copyright (c) 2011, 2012 Open Networking Foundation
+// Copyright (c) 2012, 2013 Big Switch Networks, Inc.
+// This library was generated by the LoxiGen Compiler.
+// See the file LICENSE.txt which should have been included in the source distribution
+
+// Automatically generated by LOXI from template const_set_serializer.java
+// Do not modify
+
+package org.projectfloodlight.openflow.protocol.ver12;
+
+import org.projectfloodlight.openflow.protocol.*;
+import org.projectfloodlight.openflow.protocol.action.*;
+import org.projectfloodlight.openflow.protocol.actionid.*;
+import org.projectfloodlight.openflow.protocol.bsntlv.*;
+import org.projectfloodlight.openflow.protocol.errormsg.*;
+import org.projectfloodlight.openflow.protocol.meterband.*;
+import org.projectfloodlight.openflow.protocol.instruction.*;
+import org.projectfloodlight.openflow.protocol.instructionid.*;
+import org.projectfloodlight.openflow.protocol.match.*;
+import org.projectfloodlight.openflow.protocol.oxm.*;
+import org.projectfloodlight.openflow.protocol.queueprop.*;
+import org.projectfloodlight.openflow.types.*;
+import org.projectfloodlight.openflow.util.*;
+import org.projectfloodlight.openflow.exceptions.*;
+import org.projectfloodlight.openflow.protocol.OFFlowModFlags;
+import java.util.Set;
+import org.jboss.netty.buffer.ChannelBuffer;
+import com.google.common.hash.PrimitiveSink;
+import java.util.EnumSet;
+import java.util.Collections;
+
+
+public class OFFlowModFlagsSerializerVer12 {
+
+    public final static short SEND_FLOW_REM_VAL = (short) 0x1;
+    public final static short CHECK_OVERLAP_VAL = (short) 0x2;
+    public final static short RESET_COUNTS_VAL = (short) 0x4;
+
+    public static Set<OFFlowModFlags> readFrom(ChannelBuffer bb) throws OFParseError {
+        try {
+            return ofWireValue(bb.readShort());
+        } catch (IllegalArgumentException e) {
+            throw new OFParseError(e);
+        }
+    }
+
+    public static void writeTo(ChannelBuffer bb, Set<OFFlowModFlags> set) {
+        bb.writeShort(toWireValue(set));
+    }
+
+    public static void putTo(Set<OFFlowModFlags> set, PrimitiveSink sink) {
+        sink.putShort(toWireValue(set));
+    }
+
+
+    public static Set<OFFlowModFlags> ofWireValue(short val) {
+        EnumSet<OFFlowModFlags> set = EnumSet.noneOf(OFFlowModFlags.class);
+
+        if((val & SEND_FLOW_REM_VAL) != 0)
+            set.add(OFFlowModFlags.SEND_FLOW_REM);
+        if((val & CHECK_OVERLAP_VAL) != 0)
+            set.add(OFFlowModFlags.CHECK_OVERLAP);
+        if((val & RESET_COUNTS_VAL) != 0)
+            set.add(OFFlowModFlags.RESET_COUNTS);
+        return Collections.unmodifiableSet(set);
+    }
+
+    public static short toWireValue(Set<OFFlowModFlags> set) {
+        short wireValue = 0;
+
+        for(OFFlowModFlags e: set) {
+            switch(e) {
+                case SEND_FLOW_REM:
+                    wireValue |= SEND_FLOW_REM_VAL;
+                    break;
+                case CHECK_OVERLAP:
+                    wireValue |= CHECK_OVERLAP_VAL;
+                    break;
+                case RESET_COUNTS:
+                    wireValue |= RESET_COUNTS_VAL;
+                    break;
+                default:
+                    throw new IllegalArgumentException("Illegal enum value for type OFFlowModFlags in version 1.2: " + e);
+            }
+        }
+        return wireValue;
+    }
+
+}