diff --git a/3rdparty/libe2ap/RICcontrolAckRequest.h b/3rdparty/libe2ap/RICcontrolAckRequest.h
new file mode 100644
index 0000000..e6d1f70
--- /dev/null
+++ b/3rdparty/libe2ap/RICcontrolAckRequest.h
@@ -0,0 +1,53 @@
+/*
+ * Generated by asn1c-0.9.29 (http://lionet.info/asn1c)
+ * From ASN.1 module "E2AP-IEs"
+ * 	found in "Spec/e2_and_x2-combined-and-minimized.asn1"
+ * 	`asn1c -pdu=auto -fincludes-quoted -fcompound-names -fno-include-deps -gen-PER -no-gen-OER -no-gen-example`
+ */
+
+#ifndef	_RICcontrolAckRequest_H_
+#define	_RICcontrolAckRequest_H_
+
+
+#include "asn_application.h"
+
+/* Including external dependencies */
+#include "NativeEnumerated.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Dependencies */
+typedef enum RICcontrolAckRequest {
+	RICcontrolAckRequest_noAck	= 0,
+	RICcontrolAckRequest_ack	= 1,
+	RICcontrolAckRequest_nAck	= 2
+	/*
+	 * Enumeration is extensible
+	 */
+} e_RICcontrolAckRequest;
+
+/* RICcontrolAckRequest */
+typedef long	 RICcontrolAckRequest_t;
+
+/* Implementation */
+extern asn_TYPE_descriptor_t asn_DEF_RICcontrolAckRequest;
+asn_struct_free_f RICcontrolAckRequest_free;
+asn_struct_print_f RICcontrolAckRequest_print;
+asn_constr_check_f RICcontrolAckRequest_constraint;
+ber_type_decoder_f RICcontrolAckRequest_decode_ber;
+der_type_encoder_f RICcontrolAckRequest_encode_der;
+xer_type_decoder_f RICcontrolAckRequest_decode_xer;
+xer_type_encoder_f RICcontrolAckRequest_encode_xer;
+per_type_decoder_f RICcontrolAckRequest_decode_uper;
+per_type_encoder_f RICcontrolAckRequest_encode_uper;
+per_type_decoder_f RICcontrolAckRequest_decode_aper;
+per_type_encoder_f RICcontrolAckRequest_encode_aper;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _RICcontrolAckRequest_H_ */
+#include "asn_internal.h"