diff --git a/vendor/github.com/opencord/voltha-protos/go/common/yang_options.pb.go b/vendor/github.com/opencord/voltha-protos/go/common/yang_options.pb.go
new file mode 100644
index 0000000..9d6ee66
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-protos/go/common/yang_options.pb.go
@@ -0,0 +1,237 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: voltha_protos/yang_options.proto
+
+package common
+
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	descriptor "github.com/golang/protobuf/protoc-gen-go/descriptor"
+	math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+
+type MessageParserOption int32
+
+const (
+	// Move any enclosing child enum/message definition to the same level
+	// as the parent (this message) in the yang generated file
+	MessageParserOption_MOVE_TO_PARENT_LEVEL MessageParserOption = 0
+	// Create both a grouping and a container for this message.  The container
+	// name will be the message name.  The grouping name will be the message
+	// name prefixed with "grouping_"
+	MessageParserOption_CREATE_BOTH_GROUPING_AND_CONTAINER MessageParserOption = 1
+)
+
+var MessageParserOption_name = map[int32]string{
+	0: "MOVE_TO_PARENT_LEVEL",
+	1: "CREATE_BOTH_GROUPING_AND_CONTAINER",
+}
+
+var MessageParserOption_value = map[string]int32{
+	"MOVE_TO_PARENT_LEVEL":               0,
+	"CREATE_BOTH_GROUPING_AND_CONTAINER": 1,
+}
+
+func (x MessageParserOption) String() string {
+	return proto.EnumName(MessageParserOption_name, int32(x))
+}
+
+func (MessageParserOption) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_e6be2fba65eb89fb, []int{0}
+}
+
+type InlineNode struct {
+	Id                   string   `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Type                 string   `protobuf:"bytes,2,opt,name=type,proto3" json:"type,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *InlineNode) Reset()         { *m = InlineNode{} }
+func (m *InlineNode) String() string { return proto.CompactTextString(m) }
+func (*InlineNode) ProtoMessage()    {}
+func (*InlineNode) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e6be2fba65eb89fb, []int{0}
+}
+
+func (m *InlineNode) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_InlineNode.Unmarshal(m, b)
+}
+func (m *InlineNode) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_InlineNode.Marshal(b, m, deterministic)
+}
+func (m *InlineNode) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_InlineNode.Merge(m, src)
+}
+func (m *InlineNode) XXX_Size() int {
+	return xxx_messageInfo_InlineNode.Size(m)
+}
+func (m *InlineNode) XXX_DiscardUnknown() {
+	xxx_messageInfo_InlineNode.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_InlineNode proto.InternalMessageInfo
+
+func (m *InlineNode) GetId() string {
+	if m != nil {
+		return m.Id
+	}
+	return ""
+}
+
+func (m *InlineNode) GetType() string {
+	if m != nil {
+		return m.Type
+	}
+	return ""
+}
+
+type RpcReturnDef struct {
+	// The gRPC methods return message types.  NETCONF expects an actual
+	// attribute as defined in the YANG schema.  The xnl_tag will be used
+	// as the top most tag when translating a gRPC response into an xml
+	// response
+	XmlTag string `protobuf:"bytes,1,opt,name=xml_tag,json=xmlTag,proto3" json:"xml_tag,omitempty"`
+	// When the gRPC response is a list of items, we need to differentiate
+	// between a YANG schema attribute whose name is "items" and when "items"
+	// is used only to indicate a list of items is being returned.  The default
+	// behavior assumes a list is returned when "items" is present in
+	// the response.  This option will therefore be used when the attribute
+	// name in the YANG schema is 'items'
+	ListItemsName        string   `protobuf:"bytes,2,opt,name=list_items_name,json=listItemsName,proto3" json:"list_items_name,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *RpcReturnDef) Reset()         { *m = RpcReturnDef{} }
+func (m *RpcReturnDef) String() string { return proto.CompactTextString(m) }
+func (*RpcReturnDef) ProtoMessage()    {}
+func (*RpcReturnDef) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e6be2fba65eb89fb, []int{1}
+}
+
+func (m *RpcReturnDef) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_RpcReturnDef.Unmarshal(m, b)
+}
+func (m *RpcReturnDef) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_RpcReturnDef.Marshal(b, m, deterministic)
+}
+func (m *RpcReturnDef) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_RpcReturnDef.Merge(m, src)
+}
+func (m *RpcReturnDef) XXX_Size() int {
+	return xxx_messageInfo_RpcReturnDef.Size(m)
+}
+func (m *RpcReturnDef) XXX_DiscardUnknown() {
+	xxx_messageInfo_RpcReturnDef.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_RpcReturnDef proto.InternalMessageInfo
+
+func (m *RpcReturnDef) GetXmlTag() string {
+	if m != nil {
+		return m.XmlTag
+	}
+	return ""
+}
+
+func (m *RpcReturnDef) GetListItemsName() string {
+	if m != nil {
+		return m.ListItemsName
+	}
+	return ""
+}
+
+var E_YangChildRule = &proto.ExtensionDesc{
+	ExtendedType:  (*descriptor.MessageOptions)(nil),
+	ExtensionType: (*MessageParserOption)(nil),
+	Field:         7761774,
+	Name:          "voltha.yang_child_rule",
+	Tag:           "varint,7761774,opt,name=yang_child_rule,enum=voltha.MessageParserOption",
+	Filename:      "voltha_protos/yang_options.proto",
+}
+
+var E_YangMessageRule = &proto.ExtensionDesc{
+	ExtendedType:  (*descriptor.MessageOptions)(nil),
+	ExtensionType: (*MessageParserOption)(nil),
+	Field:         7761775,
+	Name:          "voltha.yang_message_rule",
+	Tag:           "varint,7761775,opt,name=yang_message_rule,enum=voltha.MessageParserOption",
+	Filename:      "voltha_protos/yang_options.proto",
+}
+
+var E_YangInlineNode = &proto.ExtensionDesc{
+	ExtendedType:  (*descriptor.FieldOptions)(nil),
+	ExtensionType: (*InlineNode)(nil),
+	Field:         7761776,
+	Name:          "voltha.yang_inline_node",
+	Tag:           "bytes,7761776,opt,name=yang_inline_node",
+	Filename:      "voltha_protos/yang_options.proto",
+}
+
+var E_YangXmlTag = &proto.ExtensionDesc{
+	ExtendedType:  (*descriptor.MethodOptions)(nil),
+	ExtensionType: (*RpcReturnDef)(nil),
+	Field:         7761777,
+	Name:          "voltha.yang_xml_tag",
+	Tag:           "bytes,7761777,opt,name=yang_xml_tag",
+	Filename:      "voltha_protos/yang_options.proto",
+}
+
+func init() {
+	proto.RegisterEnum("voltha.MessageParserOption", MessageParserOption_name, MessageParserOption_value)
+	proto.RegisterType((*InlineNode)(nil), "voltha.InlineNode")
+	proto.RegisterType((*RpcReturnDef)(nil), "voltha.RpcReturnDef")
+	proto.RegisterExtension(E_YangChildRule)
+	proto.RegisterExtension(E_YangMessageRule)
+	proto.RegisterExtension(E_YangInlineNode)
+	proto.RegisterExtension(E_YangXmlTag)
+}
+
+func init() { proto.RegisterFile("voltha_protos/yang_options.proto", fileDescriptor_e6be2fba65eb89fb) }
+
+var fileDescriptor_e6be2fba65eb89fb = []byte{
+	// 452 bytes of a gzipped FileDescriptorProto
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+}