Merge remote-tracking branch 'origin/develop' into oairu

Conflicts: openair2/LAYER2/NR_MAC_COMMON/nr_mac.h
2021-02-07 18:23:46 +01:00
parent d06018d1e3 403db5f66e
commit 846c67b9bd
123 changed files with 11822 additions and 6601 deletions
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file FGSAuthenticationResponse.c
+
+\brief authentication response procedures
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "nas_log.h"
+
+#include "FGSAuthenticationResponse.h"
+
+
+int encode_fgs_authentication_response(fgs_authentication_response_msg *authentication_response, uint8_t *buffer, uint32_t len)
+{
+  int encoded = 0;
+  int encode_result = 0;
+
+
+  if ((encode_result =
+         encode_authentication_response_parameter(&authentication_response->authenticationresponseparameter,
+           AUTHENTICATION_RESPONSE_PARAMETER_IEI, buffer + encoded, len - encoded)) < 0)        //Return in case of error
+    return encode_result;
+  else
+    encoded += encode_result;
+
+  return encoded;
+}
+
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file FGSAuthenticationResponse.h
+
+\brief authentication response procedures
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "ExtendedProtocolDiscriminator.h"
+#include "SecurityHeaderType.h"
+#include "SpareHalfOctet.h"
+#include "MessageType.h"
+#include "AuthenticationResponseParameter.h"
+
+#ifndef FGS_AUTHENTICATION_RESPONSE_H_
+#define FGS_AUTHENTICATION_RESPONSE_H_
+
+#define AUTHENTICATION_RESPONSE_PARAMETER_IEI     0x2d
+
+/*
+ * Message name: Identity response
+ * Description: This message is sent by the UE to the AMF to provide the requested identity. See table 8.2.22.1.
+ * Significance: dual
+ * Direction: UE to AMF
+ */
+
+typedef struct fgs_authentication_response_msg_tag {
+  /* Mandatory fields */
+  ExtendedProtocolDiscriminator           protocoldiscriminator;
+  SecurityHeaderType                      securityheadertype:4;
+  SpareHalfOctet                          sparehalfoctet:4;
+  MessageType                             messagetype;
+  AuthenticationResponseParameter         authenticationresponseparameter;
+} fgs_authentication_response_msg;
+
+int encode_fgs_authentication_response(fgs_authentication_response_msg *authentication_response, uint8_t *buffer, uint32_t len);
+
+#endif /* ! defined(FGS_AUTHENTICATION_RESPONSE_H_) */
+
+
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file FGSIdentityResponse.c
+
+\brief identity response procedures for gNB
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "nas_log.h"
+
+#include "FGSIdentityResponse.h"
+
+
+int encode_identiy_response(fgs_identiy_response_msg *fgs_identity_reps, uint8_t *buffer, uint32_t len)
+{
+  int encoded = 0;
+  int encode_result = 0;
+
+  if ((encode_result =
+         encode_5gs_mobile_identity(&fgs_identity_reps->fgsmobileidentity, 0, buffer +
+                                    encoded, len - encoded)) < 0)        //Return in case of error
+    return encode_result;
+  else
+    encoded += encode_result;
+
+  return encoded;
+}
+
+
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file FGSIdentityResponse.h
+
+\brief identity response procedures for gNB
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "ExtendedProtocolDiscriminator.h"
+#include "SecurityHeaderType.h"
+#include "SpareHalfOctet.h"
+#include "FGSMobileIdentity.h"
+#include "MessageType.h"
+
+#ifndef FGS_IDENTITY_RESPONSE_H_
+#define FGS_IDENTITY_RESPONSE_H_
+
+/*
+ * Message name: Identity response
+ * Description: This message is sent by the UE to the AMF to provide the requested identity. See table 8.2.22.1.
+ * Significance: dual
+ * Direction: UE to AMF
+ */
+
+typedef struct fgs_identiy_response_msg_tag {
+  /* Mandatory fields */
+  ExtendedProtocolDiscriminator           protocoldiscriminator;
+  SecurityHeaderType                      securityheadertype:4;
+  SpareHalfOctet                          sparehalfoctet:4;
+  MessageType                             messagetype;
+  FGSMobileIdentity                       fgsmobileidentity;
+
+} fgs_identiy_response_msg;
+
+int encode_identiy_response(fgs_identiy_response_msg *fgs_identity_reps, uint8_t *buffer, uint32_t len);
+
+#endif /* ! defined(FGS_IDENTITY_RESPONSE_H_) */
+
+
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file FGSNASSecurityModeComplete.c
+
+\brief security mode complete procedures for gNB
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "nas_log.h"
+
+#include "FGSNASSecurityModeComplete.h"
+#include "FGSMobileIdentity.h"
+#include "FGCNasMessageContainer.h"
+
+int encode_fgs_security_mode_complete(fgs_security_mode_complete_msg *fgs_security_mode_comp, uint8_t *buffer, uint32_t len)
+{
+    int encoded = 0;
+    int encode_result = 0;
+
+    if ((encode_result =
+          encode_5gs_mobile_identity(&fgs_security_mode_comp->fgsmobileidentity, 0x77, buffer +
+                                     encoded, len - encoded)) < 0) { //Return in case of error
+      return encode_result;
+    } else {
+      encoded += encode_result;
+      if ((encode_result =
+            encode_fgc_nas_message_container(&fgs_security_mode_comp->fgsnasmessagecontainer, 0x71, buffer +
+                                      encoded, len - encoded)) < 0) {
+          return encode_result;
+      } else {
+        encoded += encode_result;
+      }
+    }
+
+    return encoded;
+}
+
+
+
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file FGSNASSecurityModeComplete.h
+
+\brief security mode complete procedures for gNB
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "ExtendedProtocolDiscriminator.h"
+#include "SecurityHeaderType.h"
+#include "SpareHalfOctet.h"
+#include "FGSMobileIdentity.h"
+#include "MessageType.h"
+#include "FGCNasMessageContainer.h"
+
+#ifndef FGS_NAS_SECURITY_MODE_COMPLETE_H_
+#define FGS_NAS_SECURITY_MODE_COMPLETE_H_
+
+/*
+ * Message name: security mode complete
+ * Description: This message is sent by the UE to the AMF in response to a SECURITY MODE COMMAND message. See table 8.2.26.1.1.
+ * Significance: dual
+ * Direction: UE to AMF
+ */
+
+typedef struct fgs_security_mode_complete_msg_tag {
+    /* Mandatory fields */
+    ExtendedProtocolDiscriminator           protocoldiscriminator;
+    SecurityHeaderType                      securityheadertype:4;
+    SpareHalfOctet                          sparehalfoctet:4;
+    MessageType                             messagetype;
+    FGSMobileIdentity                       fgsmobileidentity;
+    FGCNasMessageContainer                  fgsnasmessagecontainer;
+} fgs_security_mode_complete_msg;
+
+int encode_fgs_security_mode_complete(fgs_security_mode_complete_msg *fgs_security_mode_comp, uint8_t *buffer, uint32_t len);
+
+#endif /* ! defined(FGS_NAS_SECURITY_MODE_COMPLETE_H_) */
+
@@ -0,0 +1,150 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file FGSUplinkNasTransport.c
+
+\brief uplink nas transport procedures
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+#include <arpa/inet.h>
+
+#include "FGSUplinkNasTransport.h"
+#include "TLVEncoder.h"
+
+int encode_fgs_payload_container(FGSPayloadContainer *paycontainer, uint8_t iei, uint8_t *buffer, uint32_t len)
+{
+  uint32_t encoded = 0;
+  int encode_result;
+
+  if (iei > 0) {
+    *buffer = iei;
+    encoded++;
+  }
+
+  encoded += 2;
+
+  if ((encode_result = encode_octet_string(&paycontainer->payloadcontainercontents, buffer + encoded, len - encoded)) < 0) {
+    return encode_result;
+  } else {
+    encoded += encode_result;
+  }
+  if(iei > 0){
+    *(uint16_t*) (buffer+1) = htons(encoded - 3);
+  } else {
+    *(uint16_t*) (buffer) = htons(encoded - 2);
+  }
+
+  return encoded;
+}
+
+int encode_nssai(OctetString *nssai, uint8_t iei, uint8_t *buffer)
+{
+  uint32_t encoded = 0;
+  int encode_result;
+
+  if (iei > 0) {
+    *buffer = iei;
+    encoded++;
+  }
+
+  *(buffer + encoded) = nssai->length;
+  encoded++;
+
+
+  if ((encode_result = encode_octet_string(nssai, buffer + encoded, nssai->length)) < 0) {
+    return encode_result;
+  } else {
+    encoded += encode_result;
+  }
+
+  return encoded;
+}
+
+int encode_dnn(OctetString *dnn, uint8_t iei, uint8_t *buffer)
+{
+  uint32_t encoded = 0;
+  int encode_result;
+
+  if (iei > 0) {
+    *buffer = iei;
+    encoded++;
+  }
+
+  *(buffer + encoded) = dnn->length;
+  encoded++;
+
+  if ((encode_result = encode_octet_string(dnn, buffer + encoded, dnn->length)) < 0) {
+    return encode_result;
+  } else {
+    encoded += encode_result;
+  }
+
+  return encoded;
+}
+
+int encode_fgs_uplink_nas_transport(fgs_uplink_nas_transport_msg *fgs_up_nas_transport, uint8_t *buffer, uint32_t len)
+{
+    int encoded = 0;
+    int encode_result = 0;
+
+    *(buffer + encoded) = (fgs_up_nas_transport->payloadcontainertype.iei << 4) | (fgs_up_nas_transport->payloadcontainertype.type &0xf);
+    encoded++;
+
+    if ((encode_result = encode_fgs_payload_container(&fgs_up_nas_transport->fgspayloadcontainer,
+                                                       0, buffer +encoded, len - encoded)) < 0) {
+      return encode_result;
+    } else {
+      encoded += encode_result;
+    }
+
+    *(buffer + encoded) = 0x12;
+    encoded++;
+
+    IES_ENCODE_U8(buffer, encoded, fgs_up_nas_transport->pdusessionid);
+
+    // set request type
+    *(buffer + encoded) = (0x8<<4)|(fgs_up_nas_transport->requesttype &0x7);
+    encoded++;
+
+    if ((encode_result = encode_nssai(&fgs_up_nas_transport->snssai, 0x22, buffer +encoded)) < 0) {
+      return encode_result;
+    } else {
+      encoded += encode_result;
+    }
+
+    if ((encode_result = encode_dnn(&fgs_up_nas_transport->dnn, 0x25, buffer +encoded)) < 0) {
+      return encode_result;
+    } else {
+      encoded += encode_result;
+    }
+
+    return encoded;
+}
+
+
@@ -0,0 +1,77 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file FGSUplinkNasTransport.h
+
+\brief uplink nas transport procedures
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "ExtendedProtocolDiscriminator.h"
+#include "SecurityHeaderType.h"
+#include "SpareHalfOctet.h"
+#include "MessageType.h"
+
+#ifndef FGS_UPLINK_NAS_TRANSPORT_H_
+#define FGS_UPLINK_NAS_TRANSPORT_H_
+
+/*
+ * Message name: uplink nas transpaort
+ * Description: The UL NAS TRANSPORT message transports message payload and associated information to the AMF. See table 8.2.10.1.1.
+ * Significance: dual
+ * Direction: UE to network
+ */
+
+typedef struct PayloadContainerType_tag{
+    uint8_t  iei:4;
+    uint8_t  type:4;
+}PayloadContainerType;
+typedef struct FGSPayloadContainer_tag {
+  OctetString payloadcontainercontents;
+} FGSPayloadContainer;
+
+typedef struct fgs_uplink_nas_transport_msg_tag {
+    /* Mandatory fields */
+    ExtendedProtocolDiscriminator           protocoldiscriminator;
+    SecurityHeaderType                      securityheadertype:4;
+    SpareHalfOctet                          sparehalfoctet:4;
+    MessageType                             messagetype;
+    PayloadContainerType                    payloadcontainertype;
+    FGSPayloadContainer                     fgspayloadcontainer;
+    /* Optional fields */
+    uint16_t                                pdusessionid;
+    uint8_t                                 requesttype;
+    OctetString                             snssai;
+    OctetString                             dnn;
+} fgs_uplink_nas_transport_msg;
+
+int encode_fgs_uplink_nas_transport(fgs_uplink_nas_transport_msg *fgs_security_mode_comp, uint8_t *buffer, uint32_t len);
+
+#endif /* ! defined(FGS_UPLINK_NAS_TRANSPORT_H_) */
+
+
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file RegistrationAccept.c
+
+\brief 5GS registration accept procedures
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+
+#include "TLVEncoder.h"
+#include "TLVDecoder.h"
+#include "RegistrationAccept.h"
+#include "assertions.h"
+
+int decode_registration_accept(registration_accept_msg *registration_accept, uint8_t *buffer, uint32_t len)
+{
+  uint32_t decoded = 0;
+  int decoded_result = 0;
+
+  /* Decoding mandatory fields */
+  if ((decoded_result = decode_fgs_registration_result(&registration_accept->fgsregistrationresult, 0, *(buffer + decoded), len - decoded)) < 0)
+    return decoded_result;
+
+  decoded += decoded_result;
+
+  // todo ,Decoding optional fields
+  return decoded;
+}
+
+int encode_registration_accept(registration_accept_msg *registration_accept, uint8_t *buffer, uint32_t len)
+{
+  int encoded = 0;
+
+  LOG_FUNC_IN;
+
+
+  *(buffer + encoded) = encode_fgs_registration_result(&registration_accept->fgsregistrationresult);
+  encoded = encoded + 2;
+
+  // todo ,Encoding optional fields
+  LOG_FUNC_RETURN(encoded);
+}
+
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file RegistrationAccept.h
+
+\brief 5GS registration accept procedures
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+
+#include "ExtendedProtocolDiscriminator.h"
+#include "SecurityHeaderType.h"
+#include "SpareHalfOctet.h"
+#include "MessageType.h"
+#include "FGSRegistrationResult.h"
+
+#ifndef REGISTRATION_ACCEPT_H_
+#define REGISTRATION_ACCEPT_H_
+
+/*
+ * Message name: Registration accept
+ * Description: The REGISTRATION ACCEPT message is sent by the AMF to the UE. See table 8.2.7.1.1.
+ * Significance: dual
+ * Direction: network to UE
+ */
+
+typedef struct registration_accept_msg_tag {
+  /* Mandatory fields */
+  ExtendedProtocolDiscriminator           protocoldiscriminator;
+  SecurityHeaderType                      securityheadertype:4;
+  SpareHalfOctet                          sparehalfoctet:4;
+  MessageType                             messagetype;
+  FGSRegistrationResult                   fgsregistrationresult;
+} registration_accept_msg;
+
+int decode_registration_accept(registration_accept_msg *registrationaccept, uint8_t *buffer, uint32_t len);
+
+int encode_registration_accept(registration_accept_msg *registrationaccept, uint8_t *buffer, uint32_t len);
+
+#endif /* ! defined(REGISTRATION_ACCEPT_H_) */
+
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+
+#include "TLVEncoder.h"
+#include "TLVDecoder.h"
+#include "RegistrationComplete.h"
+#include "SORTransparentContainer.h"
+
+int decode_registration_complete(registration_complete_msg *registration_complete, uint8_t *buffer, uint32_t len)
+{
+  uint32_t decoded = 0;
+  int decoded_result = 0;
+
+  /* Decoding mandatory fields */
+  if ((decoded_result = decode_sor_transparent_container(&registration_complete->sortransparentcontainer, 0, buffer + decoded, len - decoded)) < 0)
+    return decoded_result;
+  else
+    decoded += decoded_result;
+
+  return decoded;
+}
+
+int encode_registration_complete(registration_complete_msg *registration_complete, uint8_t *buffer, uint32_t len)
+{
+  int encoded = 0;
+  int encode_result = 0;
+
+  if ((encode_result =
+         encode_sor_transparent_container(&registration_complete->sortransparentcontainer, 0,
+                                      buffer + encoded, len - encoded)) < 0)        //Return in case of error
+    return encode_result;
+  else
+    encoded += encode_result;
+
+  return encoded;
+}
+
@@ -0,0 +1,62 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/*! \file RegistrationRequest.h
+
+\brief registration request procedures for gNB
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "ExtendedProtocolDiscriminator.h"
+#include "SecurityHeaderType.h"
+#include "SpareHalfOctet.h"
+#include "MessageType.h"
+#include "SORTransparentContainer.h"
+
+#ifndef REGISTRATION_COMPLETE_H_
+#define REGISTRATION_COMPLETE_H_
+
+
+typedef struct registration_complete_msg_tag {
+  /* Mandatory fields */
+  ExtendedProtocolDiscriminator           protocoldiscriminator;
+  SecurityHeaderType                      securityheadertype:4;
+  SpareHalfOctet                          sparehalfoctet:4;
+  MessageType                             messagetype;
+
+  /* Optional fields */
+  SORTransparentContainer                 sortransparentcontainer;
+} registration_complete_msg;
+
+
+int decode_registration_complete(registration_complete_msg *registrationcomplete, uint8_t *buffer, uint32_t len);
+
+int encode_registration_complete(registration_complete_msg *registrationcomplete, uint8_t *buffer, uint32_t len);
+
+#endif /* ! defined(REGISTRATION_COMPLETE_H_) */
+