diff --git a/of-save/lib/gen-src/main/java/org/projectfloodlight/openflow/protocol/ver12/OFBsnPduTxRequestVer12.java b/of-save/lib/gen-src/main/java/org/projectfloodlight/openflow/protocol/ver12/OFBsnPduTxRequestVer12.java
new file mode 100644
index 0000000..fd36a02
--- /dev/null
+++ b/of-save/lib/gen-src/main/java/org/projectfloodlight/openflow/protocol/ver12/OFBsnPduTxRequestVer12.java
@@ -0,0 +1,524 @@
+// 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 of_class.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.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import java.util.Set;
+import org.jboss.netty.buffer.ChannelBuffer;
+import com.google.common.hash.PrimitiveSink;
+import com.google.common.hash.Funnel;
+import java.util.Arrays;
+
+class OFBsnPduTxRequestVer12 implements OFBsnPduTxRequest {
+    private static final Logger logger = LoggerFactory.getLogger(OFBsnPduTxRequestVer12.class);
+    // version: 1.2
+    final static byte WIRE_VERSION = 3;
+    final static int MINIMUM_LENGTH = 28;
+
+        private final static long DEFAULT_XID = 0x0L;
+        private final static long DEFAULT_TX_INTERVAL_MS = 0x0L;
+        private final static OFPort DEFAULT_PORT_NO = OFPort.ANY;
+        private final static short DEFAULT_SLOT_NUM = (short) 0x0;
+        private final static byte[] DEFAULT_DATA = new byte[0];
+
+    // OF message fields
+    private final long xid;
+    private final long txIntervalMs;
+    private final OFPort portNo;
+    private final short slotNum;
+    private final byte[] data;
+//
+    // Immutable default instance
+    final static OFBsnPduTxRequestVer12 DEFAULT = new OFBsnPduTxRequestVer12(
+        DEFAULT_XID, DEFAULT_TX_INTERVAL_MS, DEFAULT_PORT_NO, DEFAULT_SLOT_NUM, DEFAULT_DATA
+    );
+
+    // package private constructor - used by readers, builders, and factory
+    OFBsnPduTxRequestVer12(long xid, long txIntervalMs, OFPort portNo, short slotNum, byte[] data) {
+        this.xid = xid;
+        this.txIntervalMs = txIntervalMs;
+        this.portNo = portNo;
+        this.slotNum = slotNum;
+        this.data = data;
+    }
+
+    // Accessors for OF message fields
+    @Override
+    public OFVersion getVersion() {
+        return OFVersion.OF_12;
+    }
+
+    @Override
+    public OFType getType() {
+        return OFType.EXPERIMENTER;
+    }
+
+    @Override
+    public long getXid() {
+        return xid;
+    }
+
+    @Override
+    public long getExperimenter() {
+        return 0x5c16c7L;
+    }
+
+    @Override
+    public long getSubtype() {
+        return 0x1fL;
+    }
+
+    @Override
+    public long getTxIntervalMs() {
+        return txIntervalMs;
+    }
+
+    @Override
+    public OFPort getPortNo() {
+        return portNo;
+    }
+
+    @Override
+    public short getSlotNum() {
+        return slotNum;
+    }
+
+    @Override
+    public byte[] getData() {
+        return data;
+    }
+
+
+
+    public OFBsnPduTxRequest.Builder createBuilder() {
+        return new BuilderWithParent(this);
+    }
+
+    static class BuilderWithParent implements OFBsnPduTxRequest.Builder {
+        final OFBsnPduTxRequestVer12 parentMessage;
+
+        // OF message fields
+        private boolean xidSet;
+        private long xid;
+        private boolean txIntervalMsSet;
+        private long txIntervalMs;
+        private boolean portNoSet;
+        private OFPort portNo;
+        private boolean slotNumSet;
+        private short slotNum;
+        private boolean dataSet;
+        private byte[] data;
+
+        BuilderWithParent(OFBsnPduTxRequestVer12 parentMessage) {
+            this.parentMessage = parentMessage;
+        }
+
+    @Override
+    public OFVersion getVersion() {
+        return OFVersion.OF_12;
+    }
+
+    @Override
+    public OFType getType() {
+        return OFType.EXPERIMENTER;
+    }
+
+    @Override
+    public long getXid() {
+        return xid;
+    }
+
+    @Override
+    public OFBsnPduTxRequest.Builder setXid(long xid) {
+        this.xid = xid;
+        this.xidSet = true;
+        return this;
+    }
+    @Override
+    public long getExperimenter() {
+        return 0x5c16c7L;
+    }
+
+    @Override
+    public long getSubtype() {
+        return 0x1fL;
+    }
+
+    @Override
+    public long getTxIntervalMs() {
+        return txIntervalMs;
+    }
+
+    @Override
+    public OFBsnPduTxRequest.Builder setTxIntervalMs(long txIntervalMs) {
+        this.txIntervalMs = txIntervalMs;
+        this.txIntervalMsSet = true;
+        return this;
+    }
+    @Override
+    public OFPort getPortNo() {
+        return portNo;
+    }
+
+    @Override
+    public OFBsnPduTxRequest.Builder setPortNo(OFPort portNo) {
+        this.portNo = portNo;
+        this.portNoSet = true;
+        return this;
+    }
+    @Override
+    public short getSlotNum() {
+        return slotNum;
+    }
+
+    @Override
+    public OFBsnPduTxRequest.Builder setSlotNum(short slotNum) {
+        this.slotNum = slotNum;
+        this.slotNumSet = true;
+        return this;
+    }
+    @Override
+    public byte[] getData() {
+        return data;
+    }
+
+    @Override
+    public OFBsnPduTxRequest.Builder setData(byte[] data) {
+        this.data = data;
+        this.dataSet = true;
+        return this;
+    }
+
+
+        @Override
+        public OFBsnPduTxRequest build() {
+                long xid = this.xidSet ? this.xid : parentMessage.xid;
+                long txIntervalMs = this.txIntervalMsSet ? this.txIntervalMs : parentMessage.txIntervalMs;
+                OFPort portNo = this.portNoSet ? this.portNo : parentMessage.portNo;
+                if(portNo == null)
+                    throw new NullPointerException("Property portNo must not be null");
+                short slotNum = this.slotNumSet ? this.slotNum : parentMessage.slotNum;
+                byte[] data = this.dataSet ? this.data : parentMessage.data;
+                if(data == null)
+                    throw new NullPointerException("Property data must not be null");
+
+                //
+                return new OFBsnPduTxRequestVer12(
+                    xid,
+                    txIntervalMs,
+                    portNo,
+                    slotNum,
+                    data
+                );
+        }
+
+    }
+
+    static class Builder implements OFBsnPduTxRequest.Builder {
+        // OF message fields
+        private boolean xidSet;
+        private long xid;
+        private boolean txIntervalMsSet;
+        private long txIntervalMs;
+        private boolean portNoSet;
+        private OFPort portNo;
+        private boolean slotNumSet;
+        private short slotNum;
+        private boolean dataSet;
+        private byte[] data;
+
+    @Override
+    public OFVersion getVersion() {
+        return OFVersion.OF_12;
+    }
+
+    @Override
+    public OFType getType() {
+        return OFType.EXPERIMENTER;
+    }
+
+    @Override
+    public long getXid() {
+        return xid;
+    }
+
+    @Override
+    public OFBsnPduTxRequest.Builder setXid(long xid) {
+        this.xid = xid;
+        this.xidSet = true;
+        return this;
+    }
+    @Override
+    public long getExperimenter() {
+        return 0x5c16c7L;
+    }
+
+    @Override
+    public long getSubtype() {
+        return 0x1fL;
+    }
+
+    @Override
+    public long getTxIntervalMs() {
+        return txIntervalMs;
+    }
+
+    @Override
+    public OFBsnPduTxRequest.Builder setTxIntervalMs(long txIntervalMs) {
+        this.txIntervalMs = txIntervalMs;
+        this.txIntervalMsSet = true;
+        return this;
+    }
+    @Override
+    public OFPort getPortNo() {
+        return portNo;
+    }
+
+    @Override
+    public OFBsnPduTxRequest.Builder setPortNo(OFPort portNo) {
+        this.portNo = portNo;
+        this.portNoSet = true;
+        return this;
+    }
+    @Override
+    public short getSlotNum() {
+        return slotNum;
+    }
+
+    @Override
+    public OFBsnPduTxRequest.Builder setSlotNum(short slotNum) {
+        this.slotNum = slotNum;
+        this.slotNumSet = true;
+        return this;
+    }
+    @Override
+    public byte[] getData() {
+        return data;
+    }
+
+    @Override
+    public OFBsnPduTxRequest.Builder setData(byte[] data) {
+        this.data = data;
+        this.dataSet = true;
+        return this;
+    }
+//
+        @Override
+        public OFBsnPduTxRequest build() {
+            long xid = this.xidSet ? this.xid : DEFAULT_XID;
+            long txIntervalMs = this.txIntervalMsSet ? this.txIntervalMs : DEFAULT_TX_INTERVAL_MS;
+            OFPort portNo = this.portNoSet ? this.portNo : DEFAULT_PORT_NO;
+            if(portNo == null)
+                throw new NullPointerException("Property portNo must not be null");
+            short slotNum = this.slotNumSet ? this.slotNum : DEFAULT_SLOT_NUM;
+            byte[] data = this.dataSet ? this.data : DEFAULT_DATA;
+            if(data == null)
+                throw new NullPointerException("Property data must not be null");
+
+
+            return new OFBsnPduTxRequestVer12(
+                    xid,
+                    txIntervalMs,
+                    portNo,
+                    slotNum,
+                    data
+                );
+        }
+
+    }
+
+
+    final static Reader READER = new Reader();
+    static class Reader implements OFMessageReader<OFBsnPduTxRequest> {
+        @Override
+        public OFBsnPduTxRequest readFrom(ChannelBuffer bb) throws OFParseError {
+            int start = bb.readerIndex();
+            // fixed value property version == 3
+            byte version = bb.readByte();
+            if(version != (byte) 0x3)
+                throw new OFParseError("Wrong version: Expected=OFVersion.OF_12(3), got="+version);
+            // fixed value property type == 4
+            byte type = bb.readByte();
+            if(type != (byte) 0x4)
+                throw new OFParseError("Wrong type: Expected=OFType.EXPERIMENTER(4), got="+type);
+            int length = U16.f(bb.readShort());
+            if(length < MINIMUM_LENGTH)
+                throw new OFParseError("Wrong length: Expected to be >= " + MINIMUM_LENGTH + ", was: " + length);
+            if(bb.readableBytes() + (bb.readerIndex() - start) < length) {
+                // Buffer does not have all data yet
+                bb.readerIndex(start);
+                return null;
+            }
+            if(logger.isTraceEnabled())
+                logger.trace("readFrom - length={}", length);
+            long xid = U32.f(bb.readInt());
+            // fixed value property experimenter == 0x5c16c7L
+            int experimenter = bb.readInt();
+            if(experimenter != 0x5c16c7)
+                throw new OFParseError("Wrong experimenter: Expected=0x5c16c7L(0x5c16c7L), got="+experimenter);
+            // fixed value property subtype == 0x1fL
+            int subtype = bb.readInt();
+            if(subtype != 0x1f)
+                throw new OFParseError("Wrong subtype: Expected=0x1fL(0x1fL), got="+subtype);
+            long txIntervalMs = U32.f(bb.readInt());
+            OFPort portNo = OFPort.read4Bytes(bb);
+            short slotNum = U8.f(bb.readByte());
+            // pad: 3 bytes
+            bb.skipBytes(3);
+            byte[] data = ChannelUtils.readBytes(bb, length - (bb.readerIndex() - start));
+
+            OFBsnPduTxRequestVer12 bsnPduTxRequestVer12 = new OFBsnPduTxRequestVer12(
+                    xid,
+                      txIntervalMs,
+                      portNo,
+                      slotNum,
+                      data
+                    );
+            if(logger.isTraceEnabled())
+                logger.trace("readFrom - read={}", bsnPduTxRequestVer12);
+            return bsnPduTxRequestVer12;
+        }
+    }
+
+    public void putTo(PrimitiveSink sink) {
+        FUNNEL.funnel(this, sink);
+    }
+
+    final static OFBsnPduTxRequestVer12Funnel FUNNEL = new OFBsnPduTxRequestVer12Funnel();
+    static class OFBsnPduTxRequestVer12Funnel implements Funnel<OFBsnPduTxRequestVer12> {
+        private static final long serialVersionUID = 1L;
+        @Override
+        public void funnel(OFBsnPduTxRequestVer12 message, PrimitiveSink sink) {
+            // fixed value property version = 3
+            sink.putByte((byte) 0x3);
+            // fixed value property type = 4
+            sink.putByte((byte) 0x4);
+            // FIXME: skip funnel of length
+            sink.putLong(message.xid);
+            // fixed value property experimenter = 0x5c16c7L
+            sink.putInt(0x5c16c7);
+            // fixed value property subtype = 0x1fL
+            sink.putInt(0x1f);
+            sink.putLong(message.txIntervalMs);
+            message.portNo.putTo(sink);
+            sink.putShort(message.slotNum);
+            // skip pad (3 bytes)
+            sink.putBytes(message.data);
+        }
+    }
+
+
+    public void writeTo(ChannelBuffer bb) {
+        WRITER.write(bb, this);
+    }
+
+    final static Writer WRITER = new Writer();
+    static class Writer implements OFMessageWriter<OFBsnPduTxRequestVer12> {
+        @Override
+        public void write(ChannelBuffer bb, OFBsnPduTxRequestVer12 message) {
+            int startIndex = bb.writerIndex();
+            // fixed value property version = 3
+            bb.writeByte((byte) 0x3);
+            // fixed value property type = 4
+            bb.writeByte((byte) 0x4);
+            // length is length of variable message, will be updated at the end
+            int lengthIndex = bb.writerIndex();
+            bb.writeShort(U16.t(0));
+
+            bb.writeInt(U32.t(message.xid));
+            // fixed value property experimenter = 0x5c16c7L
+            bb.writeInt(0x5c16c7);
+            // fixed value property subtype = 0x1fL
+            bb.writeInt(0x1f);
+            bb.writeInt(U32.t(message.txIntervalMs));
+            message.portNo.write4Bytes(bb);
+            bb.writeByte(U8.t(message.slotNum));
+            // pad: 3 bytes
+            bb.writeZero(3);
+            bb.writeBytes(message.data);
+
+            // update length field
+            int length = bb.writerIndex() - startIndex;
+            bb.setShort(lengthIndex, length);
+
+        }
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder b = new StringBuilder("OFBsnPduTxRequestVer12(");
+        b.append("xid=").append(xid);
+        b.append(", ");
+        b.append("txIntervalMs=").append(txIntervalMs);
+        b.append(", ");
+        b.append("portNo=").append(portNo);
+        b.append(", ");
+        b.append("slotNum=").append(slotNum);
+        b.append(", ");
+        b.append("data=").append(Arrays.toString(data));
+        b.append(")");
+        return b.toString();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        OFBsnPduTxRequestVer12 other = (OFBsnPduTxRequestVer12) obj;
+
+        if( xid != other.xid)
+            return false;
+        if( txIntervalMs != other.txIntervalMs)
+            return false;
+        if (portNo == null) {
+            if (other.portNo != null)
+                return false;
+        } else if (!portNo.equals(other.portNo))
+            return false;
+        if( slotNum != other.slotNum)
+            return false;
+        if (!Arrays.equals(data, other.data))
+                return false;
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+
+        result = prime *  (int) (xid ^ (xid >>> 32));
+        result = prime *  (int) (txIntervalMs ^ (txIntervalMs >>> 32));
+        result = prime * result + ((portNo == null) ? 0 : portNo.hashCode());
+        result = prime * result + slotNum;
+        result = prime * result + Arrays.hashCode(data);
+        return result;
+    }
+
+}