diff --git a/of/lib/gen-src/main/java/org/projectfloodlight/openflow/protocol/ver12/OFInstructionTypeSerializerVer12.java b/of/lib/gen-src/main/java/org/projectfloodlight/openflow/protocol/ver12/OFInstructionTypeSerializerVer12.java
new file mode 100644
index 0000000..c9b87ba
--- /dev/null
+++ b/of/lib/gen-src/main/java/org/projectfloodlight/openflow/protocol/ver12/OFInstructionTypeSerializerVer12.java
@@ -0,0 +1,108 @@
+// 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.OFInstructionType;
+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 OFInstructionTypeSerializerVer12 {
+
+    public final static short GOTO_TABLE_VAL = (short) 0x1;
+    public final static short WRITE_METADATA_VAL = (short) 0x2;
+    public final static short WRITE_ACTIONS_VAL = (short) 0x3;
+    public final static short APPLY_ACTIONS_VAL = (short) 0x4;
+    public final static short CLEAR_ACTIONS_VAL = (short) 0x5;
+    public final static short EXPERIMENTER_VAL = (short) 0xffff;
+
+    public static Set<OFInstructionType> readFrom(ChannelBuffer bb) throws OFParseError {
+        try {
+            return ofWireValue(bb.readShort());
+        } catch (IllegalArgumentException e) {
+            throw new OFParseError(e);
+        }
+    }
+
+    public static void writeTo(ChannelBuffer bb, Set<OFInstructionType> set) {
+        bb.writeShort(toWireValue(set));
+    }
+
+    public static void putTo(Set<OFInstructionType> set, PrimitiveSink sink) {
+        sink.putShort(toWireValue(set));
+    }
+
+
+    public static Set<OFInstructionType> ofWireValue(short val) {
+        EnumSet<OFInstructionType> set = EnumSet.noneOf(OFInstructionType.class);
+
+        if((val & GOTO_TABLE_VAL) != 0)
+            set.add(OFInstructionType.GOTO_TABLE);
+        if((val & WRITE_METADATA_VAL) != 0)
+            set.add(OFInstructionType.WRITE_METADATA);
+        if((val & WRITE_ACTIONS_VAL) != 0)
+            set.add(OFInstructionType.WRITE_ACTIONS);
+        if((val & APPLY_ACTIONS_VAL) != 0)
+            set.add(OFInstructionType.APPLY_ACTIONS);
+        if((val & CLEAR_ACTIONS_VAL) != 0)
+            set.add(OFInstructionType.CLEAR_ACTIONS);
+        if((val & EXPERIMENTER_VAL) != 0)
+            set.add(OFInstructionType.EXPERIMENTER);
+        return Collections.unmodifiableSet(set);
+    }
+
+    public static short toWireValue(Set<OFInstructionType> set) {
+        short wireValue = 0;
+
+        for(OFInstructionType e: set) {
+            switch(e) {
+                case GOTO_TABLE:
+                    wireValue |= GOTO_TABLE_VAL;
+                    break;
+                case WRITE_METADATA:
+                    wireValue |= WRITE_METADATA_VAL;
+                    break;
+                case WRITE_ACTIONS:
+                    wireValue |= WRITE_ACTIONS_VAL;
+                    break;
+                case APPLY_ACTIONS:
+                    wireValue |= APPLY_ACTIONS_VAL;
+                    break;
+                case CLEAR_ACTIONS:
+                    wireValue |= CLEAR_ACTIONS_VAL;
+                    break;
+                case EXPERIMENTER:
+                    wireValue |= EXPERIMENTER_VAL;
+                    break;
+                default:
+                    throw new IllegalArgumentException("Illegal enum value for type OFInstructionType in version 1.2: " + e);
+            }
+        }
+        return wireValue;
+    }
+
+}