open5gs/lib/message/nas/nas_message.h

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#ifndef _NAS_MESSAGE_H__
#define _NAS_MESSAGE_H__
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#include "nas_ies.h"
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#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define NAS_SDU_SIZE 2048
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#define NAS_SECURITY_HEADER_PLAIN_NAS_MESSAGE 0
#define NAS_SECURITY_HEADER_INTEGRITY_PROTECTED 1
#define NAS_SECURITY_HEADER_INTEGRITY_PROTECTED_AND_CIPHERED 2
#define NAS_SECURITY_HEADER_INTEGRITY_PROTECTED_AND_NEW_SECURITY_CONTEXT 3
#define NAS_SECURITY_HEADER_INTEGRITY_PROTECTED_AND_CIPHTERD_WITH_NEW_INTEGRITY_CONTEXT 4
#define NAS_SECURITY_HEADER_INTEGRITY_PROTECTED_AND_PARTICALLY_CIPHTERD 5
#define NAS_SECURITY_HEADER_FOR_SERVICE_REQUEST_MESSAGE 6
#define NAS_PROTOCOL_DISCRIMINATOR_ESM 0x2
#define NAS_PROTOCOL_DISCRIMINATOR_EMM 0x7
typedef struct _nas_header_t {
ED2(c_uint8_t security_header_type:4;,
c_uint8_t protocol_discriminator:4;)
c_uint8_t message_type;
} __attribute__ ((packed)) nas_header_t;
typedef struct _nas_security_header_t {
ED2(c_uint8_t security_header_type:4;,
c_uint8_t protocol_discriminator:4;)
c_uint32_t message_authentication_code;
c_uint8_t sequence_number;
} __attribute__ ((packed)) nas_security_header_t;
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#define NAS_ATTACH_REQUEST 65
#define NAS_ATTACH_ACCEPT 66
#define NAS_ATTACH_COMPLETE 67
#define NAS_ATTACH_REJECT 68
#define NAS_DETACH_REQUEST 69
#define NAS_DETACH_ACCEPT 70
#define NAS_TRACKING_AREA_UPDATE_REQUEST 72
#define NAS_TRACKING_AREA_UPDATE_ACCEPT 73
#define NAS_TRACKING_AREA_UPDATE_COMPLETE 74
#define NAS_TRACKING_AREA_UPDATE_REJECT 75
#define NAS_EXTENDED_SERVICE_REQUEST 76
#define NAS_SERVICE_REJECT 78
#define NAS_GUTI_REALLOCATION_COMMAND 80
#define NAS_GUTI_REALLOCATION_COMPLETE 81
#define NAS_AUTHENTICATION_REQUEST 82
#define NAS_AUTHENTICATION_RESPONSE 83
#define NAS_AUTHENTICATION_REJECT 84
#define NAS_AUTHENTICATION_FAILURE 92
#define NAS_IDENTITY_REQUEST 85
#define NAS_IDENTITY_RESPONSE 86
#define NAS_SECURITY_MODE_COMMAND 93
#define NAS_SECURITY_MODE_COMPLETE 94
#define NAS_SECURITY_MODE_REJECT 95
#define NAS_EMM_STATUS 96
#define NAS_EMM_INFORMATION 97
#define NAS_DOWNLINK_NAS_TRANSPORT 98
#define NAS_UPLINK_NAS_TRANSPORT 99
#define NAS_CS_SERVICE_NOTIFICATION 100
#define NAS_DOWNLINK_GENERIC_NAS_TRANSPORT 104
#define NAS_UPLINK_GENERIC_NAS_TRANSPORT 101
#define NAS_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST 193
#define NAS_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_ACCEPT 194
#define NAS_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REJECT 195
#define NAS_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST 197
#define NAS_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_ACCEPT 198
#define NAS_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REJECT 199
#define NAS_MODIFY_EPS_BEARER_CONTEXT_REQUEST 201
#define NAS_MODIFY_EPS_BEARER_CONTEXT_ACCEPT 202
#define NAS_MODIFY_EPS_BEARER_CONTEXT_REJECT 203
#define NAS_DEACTIVATE_EPS_BEARER_CONTEXT_REQUEST 205
#define NAS_DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT 206
#define NAS_PDN_CONNECTIVITY_REQUEST 208
#define NAS_PDN_CONNECTIVITY_REJECT 209
#define NAS_PDN_DISCONNECT_REQUEST 210
#define NAS_PDN_DISCONNECT_REJECT 211
#define NAS_BEARER_RESOURCE_ALLOCATION_REQUEST 212
#define NAS_BEARER_RESOURCE_ALLOCATION_REJECT 213
#define NAS_BEARER_RESOURCE_MODIFICATION_REQUEST 214
#define NAS_BEARER_RESOURCE_MODIFICATION_REJECT 215
#define NAS_ESM_INFORMATION_REQUEST 217
#define NAS_ESM_INFORMATION_RESPONSE 218
#define NAS_ESM_STATUS 232
#define NAS_ATTACH_REQUEST_OLD_PTMSI_SIGNATURE_PRESENT (1<<0)
#define NAS_ATTACH_REQUEST_ADDITIONAL_GUTI_PRESENT (1<<1)
#define NAS_ATTACH_REQUEST_LAST_VISITED_REGISTERED_TAI_PRESENT (1<<2)
#define NAS_ATTACH_REQUEST_DRX_PARAMETER_PRESENT (1<<3)
#define NAS_ATTACH_REQUEST_MS_NETWORK_CAPABILITY_PRESENT (1<<4)
#define NAS_ATTACH_REQUEST_OLD_LOCATION_AREA_IDENTIFICATION_PRESENT (1<<5)
#define NAS_ATTACH_REQUEST_TMSI_STATUS_PRESENT (1<<6)
#define NAS_ATTACH_REQUEST_MOBILE_STATION_CLASSMARK_2_PRESENT (1<<7)
#define NAS_ATTACH_REQUEST_MOBILE_STATION_CLASSMARK_3_PRESENT (1<<8)
#define NAS_ATTACH_REQUEST_SUPPORTED_CODECS_PRESENT (1<<9)
#define NAS_ATTACH_REQUEST_ADDITIONAL_UPDATE_TYPE_PRESENT (1<<10)
#define NAS_ATTACH_REQUEST_OLD_GUTI_TYPE_PRESENT (1<<11)
#define NAS_ATTACH_REQUEST_VOICE_DOMAIN_PREFERENCE_AND_UE_USAGE_SETTING_PRESENT (1<<12)
#define NAS_ATTACH_REQUEST_MS_NETWORK_FEATURE_SUPPORT_PRESENT (1<<13)
#define NAS_ATTACH_REQUEST_OLD_PTMSI_SIGNATURE_IEI 0x19
#define NAS_ATTACH_REQUEST_ADDITIONAL_GUTI_IEI 0x50
#define NAS_ATTACH_REQUEST_LAST_VISITED_REGISTERED_TAI_IEI 0x52
#define NAS_ATTACH_REQUEST_DRX_PARAMETER_IEI 0x5C
#define NAS_ATTACH_REQUEST_MS_NETWORK_FEATURE_SUPPORT_IEI 0xC0
#define NAS_ATTACH_REQUEST_MS_NETWORK_CAPABILITY_IEI 0x31
#define NAS_ATTACH_REQUEST_OLD_LOCATION_AREA_IDENTIFICATION_IEI 0x13
#define NAS_ATTACH_REQUEST_TMSI_STATUS_IEI 0x90
#define NAS_ATTACH_REQUEST_MOBILE_STATION_CLASSMARK_2_IEI 0x11
#define NAS_ATTACH_REQUEST_MOBILE_STATION_CLASSMARK_3_IEI 0x20
#define NAS_ATTACH_REQUEST_SUPPORTED_CODECS_IEI 0x40
#define NAS_ATTACH_REQUEST_ADDITIONAL_UPDATE_TYPE_IEI 0xF0
#define NAS_ATTACH_REQUEST_OLD_GUTI_TYPE_IEI 0xE0
#define NAS_ATTACH_REQUEST_VOICE_DOMAIN_PREFERENCE_AND_UE_USAGE_SETTING_IEI 0x5D
typedef struct _nas_attach_request_t {
/* Mandatory fields */
nas_attach_info_t attach_info;
nas_eps_mobile_identity_t eps_mobile_identity;
nas_ue_network_capability_t ue_network_capability;
nas_esm_message_container_t esm_message_container;
/* Optional fields */
c_uint32_t presencemask;
nas_p_tmsi_signature_t old_p_tmsi_signature;
nas_eps_mobile_identity_t additional_guti;
nas_tracking_area_identity_t last_visited_registered_tai;
nas_drx_parameter_t drx_parameter;
nas_ms_network_capability_t ms_network_capability;
nas_location_area_identification_t old_location_area_identification;
nas_tmsi_status_t tmsi_status;
nas_mobile_station_classmark_2_t mobile_station_classmark_2;
nas_mobile_station_classmark_3_t mobile_station_classmark_3;
nas_supported_codec_list_t supported_codecs;
nas_additional_update_type_t additional_update_type;
nas_voice_domain_preference_and_ue_usage_setting_t
voice_domain_preference_and_ue_usage_setting;
nas_device_properties_t device_properties;
nas_guti_type_t old_guti_type;
nas_ms_network_feature_support__t ms_network_feature_support_;
nas_network_resource_identifier_container_t tmsi_based_nri_container;
nas_gprs_timer_2_t t3324_value;
nas_gprs_timer_3_t t3412_extended_value;
nas_extended_drx_parameters_t extended_drx_parameters;
} nas_attach_request_t;
typedef union _nas_message_t {
union {
nas_attach_request_t attach_request;
} emm;
} nas_message_t;
CORE_DECLARE(int) nas_decode_pdu(nas_message_t *message, pkbuf_t *pkbuf);
CORE_DECLARE(int) nas_encode_pdu(pkbuf_t **pkbuf, nas_message_t *message);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif