diff --git a/src/hnbap_common.h b/src/hnbap_common.h
new file mode 100644
index 0000000..9b77423
--- /dev/null
+++ b/src/hnbap_common.h
@@ -0,0 +1,142 @@
+#pragma once
+
+#include "asn_application.h"
+
+#include "ANY.h"
+#include "Access-stratum-release-indicator.h"
+#include "AccessResult.h"
+#include "AdditionalNeighbourInfoList.h"
+#include "AltitudeAndDirection.h"
+#include "BIT_STRING.h"
+#include "BackoffTimer.h"
+#include "BindingID.h"
+#include "CELL-FACHMobilitySupport.h"
+#include "CGI.h"
+#include "CI.h"
+#include "CN-DomainIndicator.h"
+#include "CSG-Capability.h"
+#include "CSG-ID.h"
+#include "CSGMembershipStatus.h"
+#include "CSGMembershipUpdate.h"
+#include "Cause.h"
+#include "CauseMisc.h"
+#include "CauseProtocol.h"
+#include "CauseRadioNetwork.h"
+#include "CauseTransport.h"
+#include "CellIdentity.h"
+#include "ConfigurationInformation.h"
+#include "Context-ID.h"
+#include "Criticality.h"
+#include "CriticalityDiagnostics-IE-List.h"
+#include "CriticalityDiagnostics.h"
+#include "ESN.h"
+#include "ErrorIndication.h"
+#include "GTP-TEI.h"
+#include "GeographicalCoordinates.h"
+#include "GeographicalLocation.h"
+#include "HNB-Cell-Access-Mode.h"
+#include "HNB-Cell-Identifier.h"
+#include "HNB-GWResponse.h"
+#include "HNB-Identity-Info.h"
+#include "HNB-Identity.h"
+#include "HNB-Location-Information.h"
+#include "HNB-RNL-Identity.h"
+#include "HNBAP-PDU.h"
+#include "HNBCapacity.h"
+#include "HNBConfigInfo.h"
+#include "HNBConfigTransferRequest.h"
+#include "HNBConfigTransferResponse.h"
+#include "HNBConfigurationInformationMissing.h"
+#include "HNBConfigurationInformationProvided.h"
+#include "HNBDe-Register.h"
+#include "HNBRegisterAccept.h"
+#include "HNBRegisterReject.h"
+#include "HNBRegisterRequest.h"
+#include "IE-Extensions.h"
+#include "IE.h"
+#include "IMEI.h"
+#include "IMSI.h"
+#include "IMSIDS41.h"
+#include "IMSIESN.h"
+#include "INTEGER.h"
+#include "IP-Address.h"
+#include "InitiatingMessage.h"
+#include "Ipv4Address.h"
+#include "Ipv6Address.h"
+#include "Iurh-Signalling-TNL-AddressList.h"
+#include "LAC.h"
+#include "LAI.h"
+#include "MacroCellID.h"
+#include "MacroCoverageInformation.h"
+#include "MuxPortNumber.h"
+#include "NativeEnumerated.h"
+#include "NativeInteger.h"
+#include "NeighbourCellIdentityList.h"
+#include "NeighbourIdentity.h"
+#include "NeighbourInfoList.h"
+#include "NeighbourInfoRequestItem.h"
+#include "NeighbourInfoRequestList.h"
+#include "OBJECT_IDENTIFIER.h"
+#include "OCTET_STRING.h"
+#include "PLMNidentity.h"
+#include "PSC.h"
+#include "PTMSI.h"
+#include "PTMSIRAI.h"
+#include "Presence.h"
+#include "PrivateIE-ID.h"
+#include "PrivateMessage.h"
+#include "ProcedureCode.h"
+#include "ProtocolIE-ID.h"
+#include "RAB-ID.h"
+#include "RABList.h"
+#include "RABListItem.h"
+#include "RAC.h"
+#include "RAI.h"
+#include "RNC-ID.h"
+#include "Registration-Cause.h"
+#include "RelocationComplete.h"
+#include "S-RNTIPrefix.h"
+#include "SAC.h"
+#include "SuccessfulOutcome.h"
+#include "TMSIDS41.h"
+#include "TMSILAI.h"
+#include "TNLUpdateFailure.h"
+#include "TNLUpdateRequest.h"
+#include "TNLUpdateResponse.h"
+#include "TransportInfo.h"
+#include "TransportLayerAddress.h"
+#include "TriggeringMessage.h"
+#include "Tunnel-Information.h"
+#include "TypeOfError.h"
+#include "U-RNTI.h"
+#include "U-RNTIQueryRequest.h"
+#include "U-RNTIQueryResponse.h"
+#include "UDP-Port-Number.h"
+#include "UE-Capabilities.h"
+#include "UE-Identity.h"
+#include "UEDe-Register.h"
+#include "UERegisterAccept.h"
+#include "UERegisterReject.h"
+#include "UERegisterRequest.h"
+#include "URAIdentity.h"
+#include "URAIdentityList.h"
+#include "UTRANCellID.h"
+#include "UnknownU-RNTIIndication.h"
+#include "UnsuccessfulOutcome.h"
+#include "Update-cause.h"
+
+#if (ASN1C_ENVIRONMENT_VERSION < 924)
+# error "You are compiling with the wrong version of ASN1C"
+#endif
+
+extern int asn1_xer_print;
+
+struct msgb *hnbap_generate_successfull_outcome(
+					   e_ProcedureCode procedureCode,
+					   Criticality_t criticality,
+					   asn_TYPE_descriptor_t * td,
+					   void *sptr);
+
+IE_t *hnbap_new_ie(ProtocolIE_ID_t id, Criticality_t criticality,
+		  asn_TYPE_descriptor_t *type, void *sptr);
+