diff --git a/of12/instruction.go b/of12/instruction.go
new file mode 100644
index 0000000..90d8c6c
--- /dev/null
+++ b/of12/instruction.go
@@ -0,0 +1,409 @@
+/*
+ * Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior University
+ * Copyright (c) 2011, 2012 Open Networking Foundation
+ * Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler.
+ * Copyright 2018, Red Hat, Inc.
+ */
+// Automatically generated by LOXI from template module.go
+// Do not modify
+
+package of12
+
+import (
+	"bytes"
+	"encoding/binary"
+	"fmt"
+
+	"github.com/opencord/goloxi"
+)
+
+type Instruction struct {
+	Type uint16
+	Len  uint16
+}
+
+type IInstruction interface {
+	goloxi.Serializable
+	GetType() uint16
+	GetLen() uint16
+}
+
+func (self *Instruction) GetType() uint16 {
+	return self.Type
+}
+
+func (self *Instruction) SetType(v uint16) {
+	self.Type = v
+}
+
+func (self *Instruction) GetLen() uint16 {
+	return self.Len
+}
+
+func (self *Instruction) SetLen(v uint16) {
+	self.Len = v
+}
+
+func (self *Instruction) Serialize(encoder *goloxi.Encoder) error {
+
+	encoder.PutUint16(uint16(self.Type))
+	encoder.PutUint16(uint16(self.Len))
+
+	return nil
+}
+
+func DecodeInstruction(decoder *goloxi.Decoder) (IInstruction, error) {
+	_instruction := &Instruction{}
+	if decoder.Length() < 4 {
+		return nil, fmt.Errorf("Instruction packet too short: %d < 4", decoder.Length())
+	}
+	_instruction.Type = uint16(decoder.ReadUint16())
+	_instruction.Len = uint16(decoder.ReadUint16())
+	oldDecoder := decoder
+	defer func() { decoder = oldDecoder }()
+	decoder = decoder.SliceDecoder(int(_instruction.Len), 2+2)
+
+	switch _instruction.Type {
+	case 1:
+		return DecodeInstructionGotoTable(_instruction, decoder)
+	case 2:
+		return DecodeInstructionWriteMetadata(_instruction, decoder)
+	case 3:
+		return DecodeInstructionWriteActions(_instruction, decoder)
+	case 4:
+		return DecodeInstructionApplyActions(_instruction, decoder)
+	case 5:
+		return DecodeInstructionClearActions(_instruction, decoder)
+	case 65535:
+		return DecodeInstructionExperimenter(_instruction, decoder)
+	default:
+		return nil, fmt.Errorf("Invalid type '%d' for 'Instruction'", _instruction.Type)
+	}
+}
+
+func NewInstruction(_type uint16) *Instruction {
+	obj := &Instruction{}
+	obj.Type = _type
+	return obj
+}
+
+type InstructionApplyActions struct {
+	*Instruction
+	Actions []goloxi.IAction
+}
+
+type IInstructionApplyActions interface {
+	IInstruction
+	GetActions() []goloxi.IAction
+}
+
+func (self *InstructionApplyActions) GetActions() []goloxi.IAction {
+	return self.Actions
+}
+
+func (self *InstructionApplyActions) SetActions(v []goloxi.IAction) {
+	self.Actions = v
+}
+
+func (self *InstructionApplyActions) Serialize(encoder *goloxi.Encoder) error {
+	startIndex := len(encoder.Bytes())
+	if err := self.Instruction.Serialize(encoder); err != nil {
+		return err
+	}
+
+	encoder.Write(bytes.Repeat([]byte{0}, 4))
+	for _, obj := range self.Actions {
+		if err := obj.Serialize(encoder); err != nil {
+			return err
+		}
+	}
+	length := len(encoder.Bytes()) - startIndex
+
+	binary.BigEndian.PutUint16(encoder.Bytes()[startIndex+2:startIndex+4], uint16(length))
+
+	return nil
+}
+
+func DecodeInstructionApplyActions(parent *Instruction, decoder *goloxi.Decoder) (*InstructionApplyActions, error) {
+	_instructionapplyactions := &InstructionApplyActions{Instruction: parent}
+	if decoder.Length() < 4 {
+		return nil, fmt.Errorf("InstructionApplyActions packet too short: %d < 4", decoder.Length())
+	}
+	decoder.Skip(4)
+
+	for decoder.Length() >= 8 {
+		item, err := DecodeAction(decoder)
+		if err != nil {
+			return nil, err
+		}
+		if item != nil {
+			_instructionapplyactions.Actions = append(_instructionapplyactions.Actions, item)
+		}
+	}
+	return _instructionapplyactions, nil
+}
+
+func NewInstructionApplyActions() *InstructionApplyActions {
+	obj := &InstructionApplyActions{
+		Instruction: NewInstruction(4),
+	}
+	return obj
+}
+
+type InstructionClearActions struct {
+	*Instruction
+}
+
+type IInstructionClearActions interface {
+	IInstruction
+}
+
+func (self *InstructionClearActions) Serialize(encoder *goloxi.Encoder) error {
+	startIndex := len(encoder.Bytes())
+	if err := self.Instruction.Serialize(encoder); err != nil {
+		return err
+	}
+
+	encoder.Write(bytes.Repeat([]byte{0}, 4))
+	length := len(encoder.Bytes()) - startIndex
+
+	binary.BigEndian.PutUint16(encoder.Bytes()[startIndex+2:startIndex+4], uint16(length))
+
+	return nil
+}
+
+func DecodeInstructionClearActions(parent *Instruction, decoder *goloxi.Decoder) (*InstructionClearActions, error) {
+	_instructionclearactions := &InstructionClearActions{Instruction: parent}
+	if decoder.Length() < 4 {
+		return nil, fmt.Errorf("InstructionClearActions packet too short: %d < 4", decoder.Length())
+	}
+	decoder.Skip(4)
+	return _instructionclearactions, nil
+}
+
+func NewInstructionClearActions() *InstructionClearActions {
+	obj := &InstructionClearActions{
+		Instruction: NewInstruction(5),
+	}
+	return obj
+}
+
+type InstructionExperimenter struct {
+	*Instruction
+	Experimenter uint32
+}
+
+type IInstructionExperimenter interface {
+	IInstruction
+	GetExperimenter() uint32
+}
+
+func (self *InstructionExperimenter) GetExperimenter() uint32 {
+	return self.Experimenter
+}
+
+func (self *InstructionExperimenter) SetExperimenter(v uint32) {
+	self.Experimenter = v
+}
+
+func (self *InstructionExperimenter) Serialize(encoder *goloxi.Encoder) error {
+	if err := self.Instruction.Serialize(encoder); err != nil {
+		return err
+	}
+
+	encoder.PutUint32(uint32(self.Experimenter))
+
+	return nil
+}
+
+func DecodeInstructionExperimenter(parent *Instruction, decoder *goloxi.Decoder) (IInstructionExperimenter, error) {
+	_instructionexperimenter := &InstructionExperimenter{Instruction: parent}
+	if decoder.Length() < 4 {
+		return nil, fmt.Errorf("InstructionExperimenter packet too short: %d < 4", decoder.Length())
+	}
+	_instructionexperimenter.Experimenter = uint32(decoder.ReadUint32())
+	return _instructionexperimenter, nil
+}
+
+func NewInstructionExperimenter(_experimenter uint32) *InstructionExperimenter {
+	obj := &InstructionExperimenter{
+		Instruction: NewInstruction(65535),
+	}
+	obj.Experimenter = _experimenter
+	return obj
+}
+
+type InstructionGotoTable struct {
+	*Instruction
+	TableId uint8
+}
+
+type IInstructionGotoTable interface {
+	IInstruction
+	GetTableId() uint8
+}
+
+func (self *InstructionGotoTable) GetTableId() uint8 {
+	return self.TableId
+}
+
+func (self *InstructionGotoTable) SetTableId(v uint8) {
+	self.TableId = v
+}
+
+func (self *InstructionGotoTable) Serialize(encoder *goloxi.Encoder) error {
+	startIndex := len(encoder.Bytes())
+	if err := self.Instruction.Serialize(encoder); err != nil {
+		return err
+	}
+
+	encoder.PutUint8(uint8(self.TableId))
+	encoder.Write(bytes.Repeat([]byte{0}, 3))
+	length := len(encoder.Bytes()) - startIndex
+
+	binary.BigEndian.PutUint16(encoder.Bytes()[startIndex+2:startIndex+4], uint16(length))
+
+	return nil
+}
+
+func DecodeInstructionGotoTable(parent *Instruction, decoder *goloxi.Decoder) (*InstructionGotoTable, error) {
+	_instructiongototable := &InstructionGotoTable{Instruction: parent}
+	if decoder.Length() < 4 {
+		return nil, fmt.Errorf("InstructionGotoTable packet too short: %d < 4", decoder.Length())
+	}
+	_instructiongototable.TableId = uint8(decoder.ReadByte())
+	decoder.Skip(3)
+	return _instructiongototable, nil
+}
+
+func NewInstructionGotoTable() *InstructionGotoTable {
+	obj := &InstructionGotoTable{
+		Instruction: NewInstruction(1),
+	}
+	return obj
+}
+
+type InstructionWriteActions struct {
+	*Instruction
+	Actions []goloxi.IAction
+}
+
+type IInstructionWriteActions interface {
+	IInstruction
+	GetActions() []goloxi.IAction
+}
+
+func (self *InstructionWriteActions) GetActions() []goloxi.IAction {
+	return self.Actions
+}
+
+func (self *InstructionWriteActions) SetActions(v []goloxi.IAction) {
+	self.Actions = v
+}
+
+func (self *InstructionWriteActions) Serialize(encoder *goloxi.Encoder) error {
+	startIndex := len(encoder.Bytes())
+	if err := self.Instruction.Serialize(encoder); err != nil {
+		return err
+	}
+
+	encoder.Write(bytes.Repeat([]byte{0}, 4))
+	for _, obj := range self.Actions {
+		if err := obj.Serialize(encoder); err != nil {
+			return err
+		}
+	}
+	length := len(encoder.Bytes()) - startIndex
+
+	binary.BigEndian.PutUint16(encoder.Bytes()[startIndex+2:startIndex+4], uint16(length))
+
+	return nil
+}
+
+func DecodeInstructionWriteActions(parent *Instruction, decoder *goloxi.Decoder) (*InstructionWriteActions, error) {
+	_instructionwriteactions := &InstructionWriteActions{Instruction: parent}
+	if decoder.Length() < 4 {
+		return nil, fmt.Errorf("InstructionWriteActions packet too short: %d < 4", decoder.Length())
+	}
+	decoder.Skip(4)
+
+	for decoder.Length() >= 8 {
+		item, err := DecodeAction(decoder)
+		if err != nil {
+			return nil, err
+		}
+		if item != nil {
+			_instructionwriteactions.Actions = append(_instructionwriteactions.Actions, item)
+		}
+	}
+	return _instructionwriteactions, nil
+}
+
+func NewInstructionWriteActions() *InstructionWriteActions {
+	obj := &InstructionWriteActions{
+		Instruction: NewInstruction(3),
+	}
+	return obj
+}
+
+type InstructionWriteMetadata struct {
+	*Instruction
+	Metadata     uint64
+	MetadataMask uint64
+}
+
+type IInstructionWriteMetadata interface {
+	IInstruction
+	GetMetadata() uint64
+	GetMetadataMask() uint64
+}
+
+func (self *InstructionWriteMetadata) GetMetadata() uint64 {
+	return self.Metadata
+}
+
+func (self *InstructionWriteMetadata) SetMetadata(v uint64) {
+	self.Metadata = v
+}
+
+func (self *InstructionWriteMetadata) GetMetadataMask() uint64 {
+	return self.MetadataMask
+}
+
+func (self *InstructionWriteMetadata) SetMetadataMask(v uint64) {
+	self.MetadataMask = v
+}
+
+func (self *InstructionWriteMetadata) Serialize(encoder *goloxi.Encoder) error {
+	startIndex := len(encoder.Bytes())
+	if err := self.Instruction.Serialize(encoder); err != nil {
+		return err
+	}
+
+	encoder.Write(bytes.Repeat([]byte{0}, 4))
+	encoder.PutUint64(uint64(self.Metadata))
+	encoder.PutUint64(uint64(self.MetadataMask))
+	length := len(encoder.Bytes()) - startIndex
+
+	binary.BigEndian.PutUint16(encoder.Bytes()[startIndex+2:startIndex+4], uint16(length))
+
+	return nil
+}
+
+func DecodeInstructionWriteMetadata(parent *Instruction, decoder *goloxi.Decoder) (*InstructionWriteMetadata, error) {
+	_instructionwritemetadata := &InstructionWriteMetadata{Instruction: parent}
+	if decoder.Length() < 20 {
+		return nil, fmt.Errorf("InstructionWriteMetadata packet too short: %d < 20", decoder.Length())
+	}
+	decoder.Skip(4)
+	_instructionwritemetadata.Metadata = uint64(decoder.ReadUint64())
+	_instructionwritemetadata.MetadataMask = uint64(decoder.ReadUint64())
+	return _instructionwritemetadata, nil
+}
+
+func NewInstructionWriteMetadata() *InstructionWriteMetadata {
+	obj := &InstructionWriteMetadata{
+		Instruction: NewInstruction(2),
+	}
+	return obj
+}