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add struct for registration request message

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This commit is contained in:
He Shanyun
2020-10-20 11:30:06 +00:00
parent fad30fff8a
commit e15f0b2813
10 changed files with 628 additions and 0 deletions
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openair3/NAS/COMMON/IES/ExtendedProtocolDiscriminator.c
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/*! \file ExtendedProtocolDiscriminator.c
\brief Extended protocol discriminator for registration request 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 "TLVEncoder.h"
#include "TLVDecoder.h"
#include "ExtendedProtocolDiscriminator.h"
int encode_ex_protocol_discriminator(ExtendedProtocolDiscriminator *exprotocoldiscriminator, uint8_t iei, uint8_t *buffer, uint32_t len)
{
return 0;
}
int decode_ex_protocol_discriminator(ExtendedProtocolDiscriminator *exprotocoldiscriminator, uint8_t iei, uint8_t *buffer, uint32_t len)
{
return 0;
}
openair3/NAS/COMMON/IES/ExtendedProtocolDiscriminator.h
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/*! \file ExtendedProtocolDiscriminator.h
\brief Extended protocol discriminator for registration request 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 "OctetString.h"
#ifndef EXTENDED_PROTOCOL_DISCRIMINATOR_H_
#define EXTENDED_PROTOCOL_DISCRIMINATOR_H_
typedef uint8_t ExtendedProtocolDiscriminator;
int encode_ex_protocol_discriminator(ExtendedProtocolDiscriminator *exprotocoldiscriminator, uint8_t iei, uint8_t *buffer, uint32_t len);
int decode_ex_protocol_discriminator(ExtendedProtocolDiscriminator *exprotocoldiscriminator, uint8_t iei, uint8_t *buffer, uint32_t len);
#endif /* EXTENDED PROTOCOL DISCRIMINATOR_H_ */
openair3/NAS/COMMON/IES/FGSMobileIdentity.c
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/*! \file FGSMobileIdentity.c
\brief 5GS Mobile Identity for registration request 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 "TLVEncoder.h"
#include "TLVDecoder.h"
#include "FGSMobileIdentity.h"
static int decode_guti_5gs_mobile_identity(Guti5GSMobileIdentity_t *guti, uint8_t *buffer);
static int encode_guti_5gs_mobile_identity(Guti5GSMobileIdentity_t *guti, uint8_t *buffer);
int decode_5gs_mobile_identity(FGSMobileIdentity *fgsmobileidentity, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded_rc = TLV_DECODE_VALUE_DOESNT_MATCH;
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0) {
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
uint8_t typeofidentity = *(buffer + decoded) & 0x7;
if (typeofidentity == FGS_MOBILE_IDENTITY_5G_GUTI) {
decoded_rc = decode_guti_5gs_mobile_identity(&fgsmobileidentity->guti,
buffer + decoded);
}
if (decoded_rc < 0) {
return decoded_rc;
}
return (decoded + decoded_rc);
}
int encode_5gs_mobile_identity(FGSMobileIdentity *fgsmobileidentity, uint8_t iei, uint8_t *buffer, uint32_t len)
{
uint8_t *lenPtr;
int encoded_rc = TLV_ENCODE_VALUE_DOESNT_MATCH;
uint32_t encoded = 0;
if (iei > 0) {
*buffer = iei;
encoded++;
}
lenPtr = (buffer + encoded);
encoded ++;
if (fgsmobileidentity->guti.typeofidentity == FGS_MOBILE_IDENTITY_5G_GUTI) {
encoded_rc = encode_guti_5gs_mobile_identity(&fgsmobileidentity->guti,
buffer + encoded);
}
if (encoded_rc < 0) {
return encoded_rc;
}
*lenPtr = encoded + encoded_rc - 1 - ((iei > 0) ? 1 : 0);
return (encoded + encoded_rc);
}
static int decode_guti_5gs_mobile_identity(Guti5GSMobileIdentity_t *guti, uint8_t *buffer)
{
int decoded = 0;
uint16_t temp;
guti->spare = (*(buffer + decoded) >> 4) & 0xf;
/*
* For the 5G-GUTI, bits 5 to 8 of octet 3 are coded as "1111"
*/
if (guti->spare != 0xf) {
return (TLV_ENCODE_VALUE_DOESNT_MATCH);
}
guti->oddeven = (*(buffer + decoded) >> 3) & 0x1;
/*
* For the 5G-GUTI, bits 4 of octet 3 are coded as "0"
*/
if (guti->oddeven != 0) {
return (TLV_ENCODE_VALUE_DOESNT_MATCH);
}
guti->typeofidentity = *(buffer + decoded) & 0x7;
if (guti->typeofidentity != FGS_MOBILE_IDENTITY_5G_GUTI) {
return (TLV_ENCODE_VALUE_DOESNT_MATCH);
}
decoded++;
guti->mccdigit2 = (*(buffer + decoded) >> 4) & 0xf;
guti->mccdigit1 = *(buffer + decoded) & 0xf;
decoded++;
guti->mncdigit3 = (*(buffer + decoded) >> 4) & 0xf;
guti->mccdigit3 = *(buffer + decoded) & 0xf;
decoded++;
guti->mncdigit2 = (*(buffer + decoded) >> 4) & 0xf;
guti->mncdigit1 = *(buffer + decoded) & 0xf;
decoded++;
guti->amfregionid = *(buffer+decoded);
decoded++;
IES_DECODE_U16(buffer, decoded, temp);
guti->amfsetid = temp>>3;
guti->amfpointer = temp&0x3f;
IES_DECODE_U32(buffer, decoded, guti->tmsi);
return decoded;
}
static int encode_guti_5gs_mobile_identity(Guti5GSMobileIdentity_t *guti, uint8_t *buffer)
{
uint32_t encoded = 0;
uint16_t temp;
*(buffer + encoded) = 0xf0 | ((guti->oddeven & 0x1) << 3) |
(guti->typeofidentity & 0x7);
encoded++;
*(buffer + encoded) = 0x00 | ((guti->mccdigit2 & 0xf) << 4) |
(guti->mccdigit1 & 0xf);
encoded++;
*(buffer + encoded) = 0x00 | ((guti->mncdigit3 & 0xf) << 4) |
(guti->mccdigit3 & 0xf);
encoded++;
*(buffer + encoded) = 0x00 | ((guti->mncdigit2 & 0xf) << 4) |
(guti->mncdigit1 & 0xf);
encoded++;
*(buffer + encoded) = guti->amfregionid;
encoded++;
temp = 0x00 | ((guti->amfsetid & 0x3f) << 6) | (guti->amfpointer & 0x3f);
IES_ENCODE_U16(buffer, encoded, temp);
IES_ENCODE_U32(buffer, encoded, guti->tmsi);
return encoded;
}
openair3/NAS/COMMON/IES/FGSMobileIdentity.h
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/*! \file FGSMobileIdentity.h
\brief 5GS Mobile Identity for registration request 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 "OctetString.h"
#ifndef FGS_MOBILE_IDENTITY_H_
#define FGS_MOBILE_IDENTITY_H_
typedef struct {
uint8_t spare:5;
uint8_t typeofidentity:3;
} NoIdentity5GSMobileIdentity_t;
typedef struct {
uint8_t spare1:1;
uint8_t supiformat:3;
uint8_t spare2:1;
uint8_t typeofidentity:3;
uint8_t mccdigit2:4;
uint8_t mccdigit1:4;
uint8_t mncdigit3:4;
uint8_t mccdigit3:4;
uint8_t mncdigit2:4;
uint8_t mncdigit1:4;
uint8_t routingindicatordigit2:4;
uint8_t routingindicatordigit1:4;
uint8_t routingindicatordigit4:4;
uint8_t routingindicatordigit3:4;
uint8_t spare3:1;
uint8_t spare4:1;
uint8_t spare5:1;
uint8_t spare6:1;
uint8_t protectionschemeId:4;
uint8_t homenetworkpki;
} Suci5GSMobileIdentity_t;
typedef struct {
uint8_t spare:4;
uint8_t oddeven:1;
uint8_t typeofidentity:3;
uint8_t mccdigit2:4;
uint8_t mccdigit1:4;
uint8_t mncdigit3:4;
uint8_t mccdigit3:4;
uint8_t mncdigit2:4;
uint8_t mncdigit1:4;
uint8_t amfregionid;
uint16_t amfsetid:10;
uint16_t amfpointer:6;
uint32_t tmsi;
} Guti5GSMobileIdentity_t;
typedef struct {
uint8_t digit1:4;
uint8_t oddeven:1;
uint8_t typeofidentity:3;
uint8_t digitp1:4;
uint8_t digitp:4;
} Imei5GSMobileIdentity_t;
typedef Imei5GSMobileIdentity_t Imeisv5GSMobileIdentity_t;
typedef struct {
uint8_t digit1:4;
uint8_t spare:1;
uint8_t typeofidentity:3;
uint16_t amfsetid:10;
uint16_t amfpointer:6;
uint32_t tmsi;
} Stmsi5GSMobileIdentity_t;
typedef struct {
uint8_t spare:5;
uint8_t typeofidentity:3;
uint8_t macaddr;
} Macaddr5GSMobileIdentity_t;
typedef union FGSMobileIdentity_tag {
#define FGS_MOBILE_IDENTITY_NOIDENTITY 0b000
#define FGS_MOBILE_IDENTITY_SUCI 0b001
#define FGS_MOBILE_IDENTITY_5G_GUTI 0b010
#define FGS_MOBILE_IDENTITY_IMEI 0b011
#define FGS_MOBILE_IDENTITY_5GS_TMSI 0b100
#define FGS_MOBILE_IDENTITY_IMEISV 0b101
#define FGS_MOBILE_IDENTITY_MAC_ADDR 0b110
NoIdentity5GSMobileIdentity_t noidentity;
Suci5GSMobileIdentity_t suci;
Guti5GSMobileIdentity_t guti;
Imei5GSMobileIdentity_t imei;
Stmsi5GSMobileIdentity_t stmsi;
Imeisv5GSMobileIdentity_t imeisv;
Macaddr5GSMobileIdentity_t macaddress;
} FGSMobileIdentity;
int encode_5gs_mobile_identity(FGSMobileIdentity *fgsmobileidentity, uint8_t iei, uint8_t *buffer, uint32_t len);
int decode_5gs_mobile_identity(FGSMobileIdentity *fgsmobileidentity, uint8_t iei, uint8_t *buffer, uint32_t len);
#endif /* FGS MOBILE IDENTITY_H_ */
openair3/NAS/COMMON/IES/FGSRegistrationType.c
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/*! \file FGSRegistrationType.c
\brief 5GS Registration Type for registration request 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 "TLVEncoder.h"
#include "TLVDecoder.h"
#include "FGSRegistrationType.h"
int decode_5gs_registration_type(FGSRegistrationType *fgsregistrationtype, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
if (iei > 0) {
CHECK_IEI_DECODER((*buffer & 0xf0), iei);
}
*fgsregistrationtype = *buffer & 0x7;
decoded++;
return decoded;
}
int encode_5gs_registration_type(FGSRegistrationType *fgsregistrationtype)
{
uint8_t bufferReturn;
uint8_t *buffer = &bufferReturn;
uint8_t encoded = 0;
uint8_t iei = 0;
*(buffer + encoded) = 0x00 | (iei & 0xf0) |
(*fgsregistrationtype & 0x7);
encoded++;
return bufferReturn;
}
openair3/NAS/COMMON/IES/FGSRegistrationType.h
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/*! \file FGSRegistrationType.h
\brief 5GS Registration Type for registration request 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 "OctetString.h"
#ifndef FGS_REGISTRATION_TYPE_H_
#define FGS_REGISTRATION_TYPE_H_
#define FGS_REGISTRATION_TYPE_MINIMUM_LENGTH 1
#define FGS_REGISTRATION_TYPE_MAXIMUM_LENGTH 1
typedef uint8_t FGSRegistrationType;
#define INITIAL_REGISTRATION 0b001
#define MOBILITY_REGISTRATION_UPDATING 0b010
#define PERIODIC_REGISTRATION_UPDATING 0b011
#define EMERGENCY_REGISTRATION 0b100
int encode_5gs_registration_type(FGSRegistrationType *fgsregistrationtype);
int decode_5gs_registration_type(FGSRegistrationType *fgsregistrationtype, uint8_t iei, uint8_t *buffer, uint32_t len);
#endif /* FGS_REGISTRATION_TYPE_H_*/
openair3/NAS/COMMON/IES/SpareHalfOctet.c
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/*! \file SpareHalfOctet.c
\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 "TLVEncoder.h"
#include "TLVDecoder.h"
#include "SpareHalfOctet.h"
int decode_spare_half_octet(SpareHalfOctet *sparehalfoctet, uint8_t iei, uint8_t *buffer, uint32_t len)
{
return 0;
}
int encode_spare_half_octet(SpareHalfOctet *sparehalfoctet, uint8_t iei, uint8_t *buffer, uint32_t len)
{
return 0;
}
openair3/NAS/COMMON/IES/SpareHalfOctet.h
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/*! \file SpareHalfOctet.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 "OctetString.h"
#ifndef SPARE_HALF_OCTET_H_
#define SPARE_HALF_OCTET_H_
#define SPARE_HALF_OCTET_MINIMUM_LENGTH 1
#define SPARE_HALF_OCTET_MAXIMUM_LENGTH 1
typedef uint8_t SpareHalfOctet;
int encode_spare_half_octet(SpareHalfOctet *sparehalfoctet, uint8_t iei, uint8_t *buffer, uint32_t len);
int decode_spare_half_octet(SpareHalfOctet *sparehalfoctet, uint8_t iei, uint8_t *buffer, uint32_t len);
#endif /* SPARE HALF OCTET_H_ */