forked from acouzens/open5gs
405 lines
15 KiB
C
405 lines
15 KiB
C
#ifndef __GTP_TYPES_H__
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#define __GTP_TYPES_H__
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#include "core_tlv_msg.h"
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#include "3gpp_types.h"
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typedef struct c_sockaddr_t c_sockaddr_t;
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* 8.4 Cause */
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#define GTP_CAUSE_LOCAL_DETACH 2
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#define GTP_CAUSE_COMPLETE_DETACH_3
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#define GTP_CAUSE_RAT_CHANGED_FROM_3GPP_TO_NON_3GPP 4
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#define GTP_CAUSE_ISR_DEACTIVATION 5
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#define GTP_CAUSE_ERROR_INDICATION_RECEIVED_FROM_RNC_ENODEB_S4_SGSN_MME 6
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#define GTP_CAUSE_IMSI_DETACH_ONLY 7
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#define GTP_CAUSE_REACTIVATION_REQUESTED 8
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#define GTP_CAUSE_PDN_RECONNECTION_TO_THIS_APN_DISALLOWED 9
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#define GTP_CAUSE_ACCESS_CHANGED_FROM_NON_3GPP_TO_3GPP 10
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#define GTP_CAUSE_PDN_CONNECTION_INACTIVITY_TIMER_EXPIRES 11
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#define GTP_CAUSE_PGW_NOT_RESPONDING 12
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#define GTP_CAUSE_NETWORK_FAILURE 13
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#define GTP_CAUSE_QOS_PARAMETER_MISMATCH 14
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#define GTP_CAUSE_REQUEST_ACCEPTED 16
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#define GTP_CAUSE_REQUEST_ACCEPTED_PARTIALLY 17
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#define GTP_CAUSE_NEW_PDN_TYPE_DUE_TO_NETWORK_PREFERENCE 18
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#define GTP_CAUSE_NEW_PDN_TYPE_DUE_TO_SINGLE_ADDRESS_BEARER_ONLY 19
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#define GTP_CAUSE_CONTEXT_NOT_FOUND 64
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#define GTP_CAUSE_INVALID_MESSAGE_FORMAT 65
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#define GTP_CAUSE_VERSION_NOT_SUPPORTED_BY_NEXT_PEER 66
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#define GTP_CAUSE_INVALID_LENGTH 67
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#define GTP_CAUSE_SERVICE_NOT_SUPPORTED 68
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#define GTP_CAUSE_MANDATORY_IE_INCORRECT 69
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#define GTP_CAUSE_MANDATORY_IE_MISSING 70
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#define GTP_CAUSE_SYSTEM_FAILURE 72
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#define GTP_CAUSE_NO_RESOURCES_AVAILABLE 73
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#define GTP_CAUSE_SEMANTIC_ERROR_IN_THE_TFT_OPERATION 74
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#define GTP_CAUSE_SYNTACTIC_ERROR_IN_THE_TFT_OPERATION 75
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#define GTP_CAUSE_SEMANTIC_ERRORS_IN_PACKET_FILTER 76
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#define GTP_CAUSE_SYNTACTIC_ERRORS_IN_PACKET_FILTER 77
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#define GTP_CAUSE_MISSING_OR_UNKNOWN_APN 78
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#define GTP_CAUSE_GRE_KEY_NOT_FOUND 80
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#define GTP_CAUSE_RELOCATION_FAILURE 81
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#define GTP_CAUSE_DENIED_IN_RAT 82
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#define GTP_CAUSE_PREFERRED_PDN_TYPE_NOT_SUPPORTED 83
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#define GTP_CAUSE_ALL_DYNAMIC_ADDRESSES_ARE_OCCUPIED 84
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#define GTP_CAUSE_UE_CONTEXT_WITHOUT_TFT_ALREADY_ACTIVATED 85
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#define GTP_CAUSE_PROTOCOL_TYPE_NOT_SUPPORTED 86
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#define GTP_CAUSE_UE_NOT_RESPONDING 87
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#define GTP_CAUSE_UE_REFUSES 88
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#define GTP_CAUSE_SERVICE_DENIED 89
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#define GTP_CAUSE_UNABLE_TO_PAGE_UE 90
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#define GTP_CAUSE_NO_MEMORY_AVAILABLE 91
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#define GTP_CAUSE_USER_AUTHENTICATION_FAILED 92
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#define GTP_CAUSE_APN_ACCESS_DENIED_NO_SUBSCRIPTION 93
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#define GTP_CAUSE_REQUEST_REJECTED_REASON_NOT_SPECIFIED 94
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#define GTP_CAUSE_P_TMSI_SIGNATURE_MISMATCH 95
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#define GTP_CAUSE_IMSI_IMEI_NOT_KNOWN 96
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#define GTP_CAUSE_SEMANTIC_ERROR_IN_THE_TAD_OPERATION 97
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#define GTP_CAUSE_SYNTACTIC_ERROR_IN_THE_TAD_OPERATION 98
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#define GTP_CAUSE_REMOTE_PEER_NOT_RESPONDING 100
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#define GTP_CAUSE_COLLISION_WITH_NETWORK_INITIATED_REQUEST 101
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#define GTP_CAUSE_UNABLE_TO_PAGE_UE_DUE_TO_SUSPENSION 102
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#define GTP_CAUSE_CONDITIONAL_IE_MISSING 103
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#define GTP_CAUSE_APN_RESTRICTION_TYPE_INCOMPATIBLE 104
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#define GTP_CAUSE_INVALID_OVERALL_LENGTH 105
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#define GTP_CAUSE_DATA_FORWARDING_NOT_SUPPORTED 106
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#define GTP_CAUSE_INVALID_REPLY_FROM_REMOTE_PEER 107
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#define GTP_CAUSE_FALLBACK_TO_GTPV1 108
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#define GTP_CAUSE_INVALID_PEER 109
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#define GTP_CAUSE_TEMPORARILY_REJECTED_DUE_TO_HANDOVER_IN_PROGRESS 110
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#define GTP_CAUSE_MODIFICATIONS_NOT_LIMITED_TO_S1_U_BEARERS 111
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#define GTP_CAUSE_REQUEST_REJECTED_FOR_A_PMIPV6_REASON 112
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#define GTP_CAUSE_APN_CONGESTION 113
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#define GTP_CAUSE_BEARER_HANDLING_NOT_SUPPORTED 114
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#define GTP_CAUSE_UE_ALREADY_RE_ATTACHED 115
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#define GTP_CAUSE_MULTIPLE_PDN_CONNECTIONS_FOR_A_GIVEN_APN_NOT_ALLOWED 116
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#define GTP_CAUSE_TARGET_ACCESS_RESTRICTED_FOR_THE_SUBSCRIBER 117
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#define GTP_CAUSE_MME_SGSN_REFUSES_DUE_TO_VPLMN_POLICY 119
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#define GTP_CAUSE_GTP_C_ENTITY_CONGESTION 120
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#define GTP_CAUSE_LATE_OVERLAPPING_REQUEST 121
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#define GTP_CAUSE_TIMED_OUT_REQUEST 122
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#define GTP_CAUSE_UE_IS_TEMPORARILY_NOT_REACHABLE_DUE_TO_POWER_SAVING 123
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#define GTP_CAUSE_RELOCATION_FAILURE_DUE_TO_NAS_MESSAGE_REDIRECTION 124
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#define GTP_CAUSE_UE_NOT_AUTHORISED_BY_OCS_OR_EXTERNAL_AAA_SERVER 125
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#define GTP_CAUSE_MULTIPLE_ACCESSES_TO_A_PDN_CONNECTION_NOT_ALLOWED 126
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#define GTP_CAUSE_REQUEST_REJECTED_DUE_TO_UE_CAPABILITY 127
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typedef struct _gtp_cause_t {
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c_uint8_t value;
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ED4(c_uint8_t spare:5;,
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c_uint8_t pce:1;,
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c_uint8_t bce:1;,
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c_uint8_t cs:1;)
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} __attribute__ ((packed)) gtp_cause_t;
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/* 8.7 Aggregate Maximum Bit Rate (AMBR) */
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typedef struct _gtp_ambr_t {
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c_uint32_t uplink;
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c_uint32_t downlink;
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} __attribute__ ((packed)) gtp_ambr_t;
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/* 8.12 Indication */
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typedef struct _gtp_indication_t {
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ED8(c_uint8_t daf:1;,
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c_uint8_t dtf:1;,
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c_uint8_t hi:1;,
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c_uint8_t dfi:1;,
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c_uint8_t oi:1;,
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c_uint8_t isrsi:1;,
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c_uint8_t israi:1;,
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c_uint8_t sgwci:1;)
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ED8(c_uint8_t sqci:1;,
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c_uint8_t uimsi:1;,
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c_uint8_t cfsi:1;,
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c_uint8_t crsi:1;,
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c_uint8_t p:1;,
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c_uint8_t pt:1;,
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c_uint8_t si:1;,
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c_uint8_t msv:1;)
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ED8(c_uint8_t retloc:1;,
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c_uint8_t pbic:1;,
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c_uint8_t srni:1;,
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c_uint8_t s6af:1;,
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c_uint8_t s4af:1;,
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c_uint8_t mbmdt:1;,
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c_uint8_t israu:1;,
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c_uint8_t ccrsi:1;)
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ED8(c_uint8_t spare1:1;,
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c_uint8_t spare2:1;,
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c_uint8_t spare3:1;,
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c_uint8_t spare4:1;,
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c_uint8_t spare5:1;,
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c_uint8_t csfbi:1;,
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c_uint8_t clii:1;,
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c_uint8_t cpsr:1;)
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} __attribute__ ((packed)) gtp_indication_t;
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/* 8.13 Protocol Configuration Options (PCO)
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* 10.5.6.3 Protocol configuration options in 3GPP TS 24.008
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* RFC 3232 [103]
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* RFC 1661 [102] */
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/* 8.15 Bearer Quality of Service (Bearer QoS) */
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#define GTP_BEARER_QOS_LEN 22
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typedef struct _gtp_bearer_qos_t {
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ED5(c_uint8_t spare1:1;,
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/* See 3GPP TS 29.212[29], clause 5.3.46 Pre-emption-Capability AVP. */
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c_uint8_t pre_emption_capability:1;,
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/* See 3GPP TS 29.212[29], clause 5.3.45 Priority-Level AVP.
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* PL encodes each priority level defined for the Priority-Level AVP
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* as the binary value of the priority level. */
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c_uint8_t priority_level:4;,
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c_uint8_t spare2:1;,
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/* See 3GPP TS 29.212[29], clause 5.3.47 Pre-emption-Vulnerability AVP. */
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c_uint8_t pre_emption_vulnerability:1;)
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c_uint8_t qci; /* specified in 3GPP TS 23.203 [48]. */
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/* specified in 3GPP TS 36.413 [10]. */
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c_uint64_t ul_mbr;
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c_uint64_t dl_mbr;
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c_uint64_t ul_gbr;
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c_uint64_t dl_gbr;
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/* NOTE : The encoding in 3GPP TS 24.301 [23] and 3GPP TS 36.413 [10]
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* is different from the encoding within this specification. */
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} __attribute__ ((packed)) gtp_bearer_qos_t;
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CORE_DECLARE(c_int16_t) gtp_parse_bearer_qos(
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gtp_bearer_qos_t *bearer_qos, tlv_octet_t *octet);
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CORE_DECLARE(c_int16_t) gtp_build_bearer_qos(
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tlv_octet_t *octet, gtp_bearer_qos_t *bearer_qos, void *data, int data_len);
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/* 8.17 RAT Type */
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#define GTP_RAT_TYPE_UTRAN 1
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#define GTP_RAT_TYPE_GERAN 2
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#define GTP_RAT_TYPE_WLAN 3
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#define GTP_RAT_TYPE_GAN 4
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#define GTP_RAT_TYPE_HSPA_EVOLUTION 5
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#define GTP_RAT_TYPE_EUTRAN 6
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#define GTP_RAT_TYPE_VIRTUAL 7
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#define GTP_RAT_TYPE_EUTRAN_NB_IOT 8
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/* 8.19 EPS Bearer Level Traffic Flow Template (Bearer TFT)
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* See subclause 10.5.6.12 in 3GPP TS 24.008 [13]. */
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#define GTP_MAX_TRAFFIC_FLOW_TEMPLATE 255
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#define GTP_MAX_NUM_OF_PACKET_FILTER_COMPONENT 16
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typedef struct _gtp_tft_t {
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union {
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struct {
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#define GTP_TFT_CODE_IGNORE_THIS_IE 0
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#define GTP_TFT_CODE_CREATE_NEW_TFT 1
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#define GTP_TFT_CODE_DELETE_EXISTING_TFT 2
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#define GTP_TFT_CODE_ADD_PACKET_FILTERS_TO_EXISTING_TFT 3
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#define GTP_TFT_CODE_REPLACE_PACKET_FILTERS_IN_EXISTING 4
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#define GTP_TFT_CODE_DELETE_PACKET_FILTERS_FROM_EXISTING 5
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#define GTP_TFT_CODE_NO_TFT_OPERATION 6
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ED3(c_uint8_t code:3;,
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c_uint8_t e_bit:1;,
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c_uint8_t num_of_packet_filter:4;)
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};
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c_uint8_t flags;
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};
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struct {
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union {
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struct {
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ED3(c_uint8_t spare:2;,
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c_uint8_t direction:2;,
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c_uint8_t identifier:4;)
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};
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c_uint8_t flags;
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};
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c_uint8_t precedence;
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c_uint8_t length;
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#define GTP_PACKET_FILTER_PROTOCOL_IDENTIFIER_NEXT_HEADER_TYPE 48
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#define GTP_PACKET_FILTER_IPV4_REMOTE_ADDRESS_TYPE 16
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#define GTP_PACKET_FILTER_IPV4_LOCAL_ADDRESS_TYPE 17
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#define GTP_PACKET_FILTER_IPV6_REMOTE_ADDRESS_TYPE 32
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#define GTP_PACKET_FILTER_IPV6_REMOTE_ADDRESS_PREFIX_LENGTH_TYPE 33
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#define GTP_PACKET_FILTER_IPV6_LOCAL_ADDRESS_PREFIX_LENGTH_TYPE 35
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#define GTP_PACKET_FILTER_SINGLE_LOCAL_PORT_TYPE 64
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#define GTP_PACKET_FILTER_LOCAL_PORT_RANGE_TYPE 65
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#define GTP_PACKET_FILTER_SINGLE_REMOTE_PORT_TYPE 80
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#define GTP_PACKET_FILTER_REMOTE_PORT_RANGE_TYPE 81
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#define GTP_PACKET_FILTER_SECURITY_PARAMETER_INDEX_TYPE 96
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#define GTP_PACKET_FILTER_TOS_TRAFFIC_CLASS_TYPE 112
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#define GTP_PACKET_FILTER_FLOW_LABEL_TYPE 128
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struct {
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c_uint8_t type;
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union {
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c_uint8_t proto;
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struct {
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c_uint32_t addr;
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c_uint32_t mask;
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} ipv4;
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struct {
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c_uint16_t low;
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c_uint16_t high;
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} port;
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};
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} component[GTP_MAX_NUM_OF_PACKET_FILTER_COMPONENT];
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c_uint8_t num_of_component;
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} pf[MAX_NUM_OF_PACKET_FILTER];
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} gtp_tft_t;
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CORE_DECLARE(c_int16_t) gtp_build_tft(
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tlv_octet_t *octet, gtp_tft_t *tft, void *data, int data_len);
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/* 8.21 User Location Information (ULI) */
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#define GTP_MAX_ULI_LEN sizeof(gtp_uli_t)
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typedef struct _gtp_uli_cgi_t {
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plmn_id_t plmn_id;
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c_uint16_t lac;
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c_uint16_t ci;
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} __attribute__ ((packed)) gtp_uli_cgi_t;
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typedef struct _gtp_uli_sai_t {
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plmn_id_t plmn_id;
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c_uint16_t lac;
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c_uint16_t sac;
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} __attribute__ ((packed)) gtp_uli_sai_t;
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typedef struct _gtp_uli_rai_t {
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plmn_id_t plmn_id;
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c_uint16_t lac;
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c_uint16_t rac;
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} __attribute__ ((packed)) gtp_uli_rai_t;
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typedef struct _gtp_uli_lai_t {
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plmn_id_t plmn_id;
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c_uint16_t lac;
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} __attribute__ ((packed)) gtp_uli_lai_t;
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typedef struct _gtp_uli_t {
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struct {
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ED7(c_uint8_t spare:2;,
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c_uint8_t lai:1;,
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c_uint8_t e_cgi:1;,
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c_uint8_t tai:1;,
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c_uint8_t rai:1;,
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c_uint8_t sai:1;,
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c_uint8_t cgi:1;)
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} flags;
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gtp_uli_cgi_t cgi;
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gtp_uli_sai_t sai;
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gtp_uli_rai_t rai;
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tai_t tai;
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e_cgi_t e_cgi;
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gtp_uli_lai_t lai;
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} gtp_uli_t;
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CORE_DECLARE(c_int16_t) gtp_parse_uli(gtp_uli_t *uli, tlv_octet_t *octet);
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CORE_DECLARE(c_int16_t) gtp_build_uli(
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tlv_octet_t *octet, gtp_uli_t *uli, void *data, int data_len);
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/* 8.22 Fully Qualified TEID (F-TEID) */
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#define GTP_F_TEID_S1_U_ENODEB_GTP_U 0
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#define GTP_F_TEID_S1_U_SGW_GTP_U 1
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#define GTP_F_TEID_S12_RNC_GTP_U 2
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#define GTP_F_TEID_S12_SGW_GTP_U 3
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#define GTP_F_TEID_S5_S8_SGW_GTP_U 4
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#define GTP_F_TEID_S5_S8_PGW_GTP_U 5
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#define GTP_F_TEID_S5_S8_SGW_GTP_C 6
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#define GTP_F_TEID_S5_S8_PGW_GTP_C 7
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#define GTP_F_TEID_S5_S8_SGW_PMIPV6 8
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#define GTP_F_TEID_S5_S8_PGW_PMIPV6 9
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#define GTP_F_TEID_S11_MME_GTP_C 10
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#define GTP_F_TEID_S11_S4_SGW_GTP_C 11
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#define GTP_F_TEID_S10_MME_GTP_C 12
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#define GTP_F_TEID_S3_MME_GTP_C 13
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#define GTP_F_TEID_S3_SGSN_GTP_C 14
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#define GTP_F_TEID_S4_SGSN_GTP_U 15
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#define GTP_F_TEID_S4_SGW_GTP_U 16
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#define GTP_F_TEID_S4_SGSN_GTP_C 17
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#define GTP_F_TEID_S16_SGSN_GTP_C 18
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#define GTP_F_TEID_ENODEB_GTP_U_FOR_DL_DATA_FORWARDING 19
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#define GTP_F_TEID_ENODEB_GTP_U_FOR_UL_DATA_FORWARDING 20
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#define GTP_F_TEID_RNC_GTP_U_FOR_DATA_FORWARDING 21
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#define GTP_F_TEID_SGSN_GTP_U_FOR_DATA_FORWARDING 22
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#define GTP_F_TEID_SGW_GTP_U_FOR_DL_DATA_FORWARDING 23
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#define GTP_F_TEID_SM_MBMS_GW_GTP_C 24
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#define GTP_F_TEID_SN_MBMS_GW_GTP_C 25
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#define GTP_F_TEID_SM_MME_GTP_C 26
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#define GTP_F_TEID_SN_SGSN_GTP_C 27
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#define GTP_F_TEID_SGW_GTP_U_FOR_UL_DATA_FORWARDING 28
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#define GTP_F_TEID_SN_SGSN_GTP_U 29
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#define GTP_F_TEID_S2B_EPDG_GTP_C 30
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#define GTP_F_TEID_S2B_U_EPDG_GTP_U 31
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#define GTP_F_TEID_S2B_PGW_GTP_C 32
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#define GTP_F_TEID_S2B_U_PGW_GTP_U 33
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#define GTP_F_TEID_S2A_TWAN_GTP_U 34
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#define GTP_F_TEID_S2A_TWAN_GTP_C 35
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#define GTP_F_TEID_S2A_PGW_GTP_C 36
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#define GTP_F_TEID_S2A_PGW_GTP_U 37
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#define GTP_F_TEID_S11_MME_GTP_U 38
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#define GTP_F_TEID_S11_SGW_GTP_U 39
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#define GTP_F_TEID_HDR_LEN 5
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#define GTP_F_TEID_IPV4_LEN IPV4_LEN+GTP_F_TEID_HDR_LEN
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#define GTP_F_TEID_IPV6_LEN IPV6_LEN+GTP_F_TEID_HDR_LEN
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#define GTP_F_TEID_IPV4V6_LEN IPV4V6_LEN+GTP_F_TEID_HDR_LEN
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typedef struct _gtp_f_teid_t {
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ED3(c_uint8_t ipv4:1;,
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c_uint8_t ipv6:1;,
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c_uint8_t interface_type:6;)
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c_uint32_t teid;
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union {
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/* GTP_F_TEID_IPV4 */
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c_uint32_t addr;
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/* GTP_F_TEID_IPV6 */
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c_uint8_t addr6[IPV6_LEN];
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/* GTP_F_TEID_BOTH */
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struct {
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c_uint32_t addr;
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c_uint8_t addr6[IPV6_LEN];
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} both;
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};
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} __attribute__ ((packed)) gtp_f_teid_t;
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||
/* 8.44 UE Time Zone */
|
||
#define GTP_UE_TIME_ZONE_NO_ADJUSTMENT_FOR_DAYLIGHT_SAVING_TIME 0
|
||
#define GTP_UE_TIME_ZONE_1_HOUR_FOR_DAYLIGHT_SAVING_TIME 1
|
||
#define GTP_UE_TIME_ZONE_2_HOUR_FOR_DAYLIGHT_SAVING_TIME 2
|
||
typedef struct _gtp_ue_timezone_t {
|
||
/* Time Zone" IE in 3GPP TS 24.008 [5].
|
||
* This field uses the same format as the Timezone field used in the
|
||
* TP-Service-Centre-Time-Stamp, which is defined in 3GPP TS 23.040 [90],
|
||
* and its value shall be set as defined in 3GPP TS 22.042 */
|
||
c_uint8_t timezone;
|
||
ED2(c_uint8_t spare:6;,
|
||
c_uint8_t daylight_saving_time:2;)
|
||
} __attribute__ ((packed)) gtp_ue_timezone_t;
|
||
|
||
/* 8.57 APN Restriction */
|
||
#define GTP_APN_NO_RESTRICTION 0
|
||
#define GTP_APN_RESTRICTION_PUBLIC_1 1
|
||
#define GTP_APN_RESTRICTION_PUBLIC_2 2
|
||
#define GTP_APN_RESTRICTION_PRIVATE_1 3
|
||
#define GTP_APN_RESTRICTION_PRIVATE_2 4
|
||
|
||
/* 8.58 Selection Mode */
|
||
#define GTP_SELECTION_MODE_MS_OR_NETWORK_PROVIDED_APN 0
|
||
#define GTP_SELECTION_MODE_MS_PROVIDED_APN 1
|
||
#define GTP_SELECTION_MODE_NETWORK_PROVIDED_APN 2
|
||
|
||
/* 8.65 Node Type */
|
||
#define GTP_NODE_TYPE_MME 0
|
||
#define GTP_NODE_TYPE_SGSN 1
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif /* __cplusplus */
|
||
|
||
#endif /* __GTP_TYPES_H__ */
|
||
|