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open5gs/lib/gtp/v2/types.h

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/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#if !defined(OGS_GTP_INSIDE) && !defined(OGS_GTP_COMPILATION)
#error "This header cannot be included directly."
#endif
#ifndef OGS_GTP2_TYPES_H
#define OGS_GTP2_TYPES_H
#ifdef __cplusplus
extern "C" {
#endif
#define OGS_GTP2_MAX_INDIRECT_TUNNEL 8
#define OGS_GTPV1U_5GC_HEADER_LEN 16
/*
* 5GC GTP Header (16byte)
* o Flags(1byte) : 0x34
* o Message Type(1byte) : T-PDU (0xff)
* o Length(2byte) : 36
* o TEID(4byte) : 0x00000001
* o Next extension header type(4byte)
* - Sequence Number(2byte) : 0x0000
* - N PDU Number(1byte) : 0x00
* - PDU Session container(1byte) : (0x85)
* o Extension header(4byte)
* - Extension HEader Length(1byte) : 1
* - PDU Session Container(2byte)
* ; PDU Type : UL PDU SESSION INFORMATION (1)
* ; QoS Flow Identifier (QFI) : 1
* - Next extension header type : No more extension headers (0x00)
*/
#define OGS_GTPV1U_EXTENSION_HEADER_LEN 4
typedef struct ogs_gtp2_extension_header_s {
#define OGS_GTP2_EXTENSION_HEADER_TYPE_UDP_PORT 0x40
#define OGS_GTP2_EXTENSION_HEADER_TYPE_PDU_SESSION_CONTAINER 0x85
#define OGS_GTP2_EXTENSION_HEADER_TYPE_NO_MORE_EXTENSION_HEADERS 0x0
uint16_t sequence_number;
uint8_t n_pdu_number;
uint8_t type;
uint8_t len;
#define OGS_GTP2_EXTENSION_HEADER_PDU_TYPE_DL_PDU_SESSION_INFORMATION 0
#define OGS_GTP2_EXTENSION_HEADER_PDU_TYPE_UL_PDU_SESSION_INFORMATION 1
ED2(uint8_t pdu_type:4;,
uint8_t spare1:4;);
ED3(uint8_t paging_policy_presence:1;,
uint8_t reflective_qos_indicator:1;,
uint8_t qos_flow_identifier:6;);
uint8_t next_type;
} __attribute__ ((packed)) ogs_gtp2_extension_header_t;
/* 8.4 Cause */
#define OGS_GTP2_CAUSE_UNDEFINED_VALUE 0
#define OGS_GTP2_CAUSE_LOCAL_DETACH 2
#define OGS_GTP2_CAUSE_COMPLETE_DETACH_3
#define OGS_GTP2_CAUSE_RAT_CHANGED_FROM_3GPP_TO_NON_3GPP 4
#define OGS_GTP2_CAUSE_ISR_DEACTIVATION 5
#define OGS_GTP2_CAUSE_ERROR_INDICATION_RECEIVED 6
#define OGS_GTP2_CAUSE_IMSI_DETACH_ONLY 7
#define OGS_GTP2_CAUSE_REACTIVATION_REQUESTED 8
#define OGS_GTP2_CAUSE_PDN_RECONNECTION_TO_THIS_APN_DISALLOWED 9
#define OGS_GTP2_CAUSE_ACCESS_CHANGED_FROM_NON_3GPP_TO_3GPP 10
#define OGS_GTP2_CAUSE_PDN_CONNECTION_INACTIVITY_TIMER_EXPIRES 11
#define OGS_GTP2_CAUSE_PGW_NOT_RESPONDING 12
#define OGS_GTP2_CAUSE_NETWORK_FAILURE 13
#define OGS_GTP2_CAUSE_QOS_PARAMETER_MISMATCH 14
#define OGS_GTP2_CAUSE_REQUEST_ACCEPTED 16
#define OGS_GTP2_CAUSE_REQUEST_ACCEPTED_PARTIALLY 17
#define OGS_GTP2_CAUSE_NEW_PDN_TYPE_DUE_TO_NETWORK_PREFERENCE 18
#define OGS_GTP2_CAUSE_NEW_PDN_TYPE_DUE_TO_SINGLE_ADDRESS_BEARER_ONLY 19
#define OGS_GTP2_CAUSE_CONTEXT_NOT_FOUND 64
#define OGS_GTP2_CAUSE_INVALID_MESSAGE_FORMAT 65
#define OGS_GTP2_CAUSE_VERSION_NOT_SUPPORTED_BY_NEXT_PEER 66
#define OGS_GTP2_CAUSE_INVALID_LENGTH 67
#define OGS_GTP2_CAUSE_SERVICE_NOT_SUPPORTED 68
#define OGS_GTP2_CAUSE_MANDATORY_IE_INCORRECT 69
#define OGS_GTP2_CAUSE_MANDATORY_IE_MISSING 70
#define OGS_GTP2_CAUSE_SYSTEM_FAILURE 72
#define OGS_GTP2_CAUSE_NO_RESOURCES_AVAILABLE 73
#define OGS_GTP2_CAUSE_SEMANTIC_ERROR_IN_THE_TFT_OPERATION 74
#define OGS_GTP2_CAUSE_SYNTACTIC_ERROR_IN_THE_TFT_OPERATION 75
#define OGS_GTP2_CAUSE_SEMANTIC_ERRORS_IN_PACKET_FILTER 76
#define OGS_GTP2_CAUSE_SYNTACTIC_ERRORS_IN_PACKET_FILTER 77
#define OGS_GTP2_CAUSE_MISSING_OR_UNKNOWN_APN 78
#define OGS_GTP2_CAUSE_GRE_KEY_NOT_FOUND 80
#define OGS_GTP2_CAUSE_RELOCATION_FAILURE 81
#define OGS_GTP2_CAUSE_DENIED_IN_RAT 82
#define OGS_GTP2_CAUSE_PREFERRED_PDN_TYPE_NOT_SUPPORTED 83
#define OGS_GTP2_CAUSE_ALL_DYNAMIC_ADDRESSES_ARE_OCCUPIED 84
#define OGS_GTP2_CAUSE_UE_CONTEXT_WITHOUT_TFT_ALREADY_ACTIVATED 85
#define OGS_GTP2_CAUSE_PROTOCOL_TYPE_NOT_SUPPORTED 86
#define OGS_GTP2_CAUSE_UE_NOT_RESPONDING 87
#define OGS_GTP2_CAUSE_UE_REFUSES 88
#define OGS_GTP2_CAUSE_SERVICE_DENIED 89
#define OGS_GTP2_CAUSE_UNABLE_TO_PAGE_UE 90
#define OGS_GTP2_CAUSE_NO_MEMORY_AVAILABLE 91
#define OGS_GTP2_CAUSE_USER_AUTHENTICATION_FAILED 92
#define OGS_GTP2_CAUSE_APN_ACCESS_DENIED_NO_SUBSCRIPTION 93
#define OGS_GTP2_CAUSE_REQUEST_REJECTED_REASON_NOT_SPECIFIED 94
#define OGS_GTP2_CAUSE_P_TMSI_SIGNATURE_MISMATCH 95
#define OGS_GTP2_CAUSE_IMSI_IMEI_NOT_KNOWN 96
#define OGS_GTP2_CAUSE_SEMANTIC_ERROR_IN_THE_TAD_OPERATION 97
#define OGS_GTP2_CAUSE_SYNTACTIC_ERROR_IN_THE_TAD_OPERATION 98
#define OGS_GTP2_CAUSE_REMOTE_PEER_NOT_RESPONDING 100
#define OGS_GTP2_CAUSE_COLLISION_WITH_NETWORK_INITIATED_REQUEST 101
#define OGS_GTP2_CAUSE_UNABLE_TO_PAGE_UE_DUE_TO_SUSPENSION 102
#define OGS_GTP2_CAUSE_CONDITIONAL_IE_MISSING 103
#define OGS_GTP2_CAUSE_APN_RESTRICTION_TYPE_INCOMPATIBLE 104
#define OGS_GTP2_CAUSE_INVALID_OVERALL_LENGTH 105
#define OGS_GTP2_CAUSE_DATA_FORWARDING_NOT_SUPPORTED 106
#define OGS_GTP2_CAUSE_INVALID_REPLY_FROM_REMOTE_PEER 107
#define OGS_GTP2_CAUSE_FALLBACK_TO_GTPV1 108
#define OGS_GTP2_CAUSE_INVALID_PEER 109
#define OGS_GTP2_CAUSE_TEMPORARILY_REJECTED_DUE_TO_HANDOVER_IN_PROGRESS 110
#define OGS_GTP2_CAUSE_MODIFICATIONS_NOT_LIMITED_TO_S1_U_BEARERS 111
#define OGS_GTP2_CAUSE_REQUEST_REJECTED_FOR_A_PMIPV6_REASON 112
#define OGS_GTP2_CAUSE_APN_CONGESTION 113
#define OGS_GTP2_CAUSE_BEARER_HANDLING_NOT_SUPPORTED 114
#define OGS_GTP2_CAUSE_UE_ALREADY_RE_ATTACHED 115
#define OGS_GTP2_CAUSE_MULTIPLE_PDN_CONNECTIONS_FOR_A_GIVEN_APN_NOT_ALLOWED 116
#define OGS_GTP2_CAUSE_TARGET_ACCESS_RESTRICTED_FOR_THE_SUBSCRIBER 117
#define OGS_GTP2_CAUSE_MME_SGSN_REFUSES_DUE_TO_VPLMN_POLICY 119
#define OGS_GTP2_CAUSE_GTP_C_ENTITY_CONGESTION 120
#define OGS_GTP2_CAUSE_LATE_OVERLAPPING_REQUEST 121
#define OGS_GTP2_CAUSE_TIMED_OUT_REQUEST 122
#define OGS_GTP2_CAUSE_UE_IS_TEMPORARILY_NOT_REACHABLE_DUE_TO_POWER_SAVING 123
#define OGS_GTP2_CAUSE_RELOCATION_FAILURE_DUE_TO_NAS_MESSAGE_REDIRECTION 124
#define OGS_GTP2_CAUSE_UE_NOT_AUTHORISED_BY_OCS_OR_EXTERNAL_AAA_SERVER 125
#define OGS_GTP2_CAUSE_MULTIPLE_ACCESSES_TO_A_PDN_CONNECTION_NOT_ALLOWED 126
#define OGS_GTP2_CAUSE_REQUEST_REJECTED_DUE_TO_UE_CAPABILITY 127
typedef struct ogs_gtp2_cause_s {
uint8_t value;
ED4(uint8_t spare:5;,
uint8_t pce:1;,
uint8_t bce:1;,
uint8_t cs:1;)
} __attribute__ ((packed)) ogs_gtp2_cause_t;
/* 8.7 Aggregate Maximum Bit Rate (AMBR) */
typedef struct ogs_gtp2_ambr_s {
uint32_t uplink;
uint32_t downlink;
} __attribute__ ((packed)) ogs_gtp2_ambr_t;
/* 8.12 Indication */
typedef struct ogs_gtp2_indication_s {
ED8(uint8_t dual_address_bearer_flag:1;,
uint8_t direct_tunnel_flag:1;,
uint8_t handover_indication:1;,
uint8_t direct_forwarding_indication:1;,
uint8_t operation_indication:1;,
uint8_t idle_mode_signalling_reduction_supported_indication:1;,
uint8_t idle_mode_signalling_reduction_activation_indication:1;,
uint8_t sgw_change_indication:1;)
ED8(uint8_t subscribed_qos_change_indication:1;,
uint8_t unauthenticated_imsi:1;,
uint8_t change_f_teid_support_indication:1;,
uint8_t change_reporting_support_indication:1;,
uint8_t piggybacking_supported:1;,
uint8_t s5_s8_protocol_type:1;,
uint8_t scope_indication:1;,
uint8_t ms_validated:1;)
ED8(uint8_t retrieve_location_indication_flag:1;,
uint8_t propagate_bbai_information_change:1;,
uint8_t sgw_restoration_needed_indication:1;,
uint8_t static_ipv6_address_flag:1;,
uint8_t static_ipv4_address_flag:1;,
uint8_t management_based_mdt_allowed_flag:1;,
uint8_t isr_is_activated_for_the_ue:1;,
uint8_t csg_change_reporting_support_indication:1;)
ED8(uint8_t change_of_presence_reporting_area_information_indication:1;,
uint8_t abnormal_release_of_radio_link:1;,
uint8_t pdn_pause_off_indication:1;,
uint8_t pdn_pause_on_indication:1;,
uint8_t pdn_pause_support_indication:1;,
uint8_t csfb_indication:1;,
uint8_t change_of_location_information_indication:1;,
uint8_t cs_to_ps_srvcc_indication:1;)
ED8(uint8_t nbifom_support_indication:1;,
uint8_t ue_available_for_signalling_indication:1;,
uint8_t delay_tolerant_connection_indication:1;,
uint8_t buffered_dl_data_waiting_indication:1;,
uint8_t pending_subscription_change_indication:1;,
uint8_t p_cscf_restoration_indication:1;,
uint8_t associate_oci_with_sgw_node_s_identity:1;,
uint8_t associate_oci_with_pgw_node_s_identity:1;)
ED8(uint8_t release_over_any_access_indication:1;,
uint8_t extended_pco_support_indication:1;,
uint8_t control_plane_only:1;,
uint8_t pending_mt_short_message_indication:1;,
uint8_t s11_u_tunnel_flag:1;,
uint8_t pending_network_initiated_pdn_connection_signalling_indication:1;,
uint8_t ue_not_authorised_cause_code_support_indication:1;,
uint8_t wlcp_pdn_connection_modification_support_indication:1;)
ED8(uint8_t _5gs_interworking_without_n26_indication:1;,
uint8_t return_preferred_indication:1;,
uint8_t _5gs_interworking_indication:1;,
uint8_t extended_ebi_value_range_support_indication:1;,
uint8_t lte_m_ue_indication:1;,
uint8_t lte_m_rat_type_reporting_to_pgw_indication:1;,
uint8_t enb_change_reporting_support_indication:1;,
uint8_t triggering_sgsn_initiated_pdp_context_creation_modification_indication:1;)
ED8(uint8_t create_session_request_message_forwarded_indication:1;,
uint8_t mt_edt_not_applicable:1;,
uint8_t mt_edt_applicable:1;,
uint8_t no_5gs_n26_mobility_indication:1;,
uint8_t _5gc_not_restricted_support:1;,
uint8_t _5gc_not_restricted_indication:1;,
uint8_t _5g_srvcc_ho_indication:1;,
uint8_t ethernet_pdn_support_indication:1;)
ED8(uint8_t spare1:1;,
uint8_t spare2:1;,
uint8_t spare3:1;,
uint8_t spare4:1;,
uint8_t same_iwk_scef_selected_for_monitoring_event_indication:1;,
uint8_t notify_source_enodeb_indication:1;,
uint8_t indirect_data_forwarding_with_upf_indication:1;,
uint8_t emergency_pdu_session_indication:1;)
} __attribute__ ((packed)) ogs_gtp2_indication_t;
/* 8.13 Protocol Configuration Options (PCO)
* 10.5.6.3 Protocol configuration options in 3GPP TS 24.008
* RFC 3232 [103]
* RFC 1661 [102] */
/* 8.15 Bearer Quality of Service (Bearer QoS) */
#define GTP2_BEARER_QOS_LEN 22
typedef struct ogs_gtp2_bearer_qos_s {
ED5(uint8_t spare1:1;,
/* See 3GPP TS 29.212[29], clause 5.3.46 Pre-emption-Capability AVP. */
uint8_t pre_emption_capability:1;,
/* See 3GPP TS 29.212[29], clause 5.3.45 Priority-Level AVP.
* PL encodes each priority level defined for the Priority-Level AVP
* as the binary value of the priority level. */
uint8_t priority_level:4;,
uint8_t spare2:1;,
/* See 3GPP TS 29.212[29], clause 5.3.47 Pre-emption-Vulnerability AVP. */
uint8_t pre_emption_vulnerability:1;)
uint8_t qci; /* specified in 3GPP TS 23.203 [48]. */
/* specified in 3GPP TS 36.413 [10]. */
uint64_t ul_mbr;
uint64_t dl_mbr;
uint64_t ul_gbr;
uint64_t dl_gbr;
/* NOTE : The encoding in 3GPP TS 24.301 [23] and 3GPP TS 36.413 [10]
* is different from the encoding within this specification. */
} __attribute__ ((packed)) ogs_gtp2_bearer_qos_t;
int16_t ogs_gtp2_parse_bearer_qos(
ogs_gtp2_bearer_qos_t *bearer_qos, ogs_tlv_octet_t *octet);
int16_t ogs_gtp2_build_bearer_qos(ogs_tlv_octet_t *octet,
ogs_gtp2_bearer_qos_t *bearer_qos, void *data, int data_len);
/* 8.16 Flow Quality of Service (Flow QoS) */
#define GTP2_FLOW_QOS_LEN 21
typedef struct ogs_gtp2_flow_qos_s {
uint8_t qci; /* specified in 3GPP TS 23.203 [48]. */
/* specified in 3GPP TS 36.413 [10]. */
uint64_t ul_mbr;
uint64_t dl_mbr;
uint64_t ul_gbr;
uint64_t dl_gbr;
/* NOTE : The encoding in 3GPP TS 24.301 [23] and 3GPP TS 36.413 [10]
* is different from the encoding within this specification. */
} __attribute__ ((packed)) ogs_gtp2_flow_qos_t;
#define ogs_gtp2_qos_to_bps(br, extended, extended2) \
ogs_gtp2_qos_to_kbps(br, extended, extended2) * 1024;
uint64_t ogs_gtp2_qos_to_kbps(uint8_t br, uint8_t extended, uint8_t extended2);
int16_t ogs_gtp2_parse_flow_qos(
ogs_gtp2_flow_qos_t *flow_qos, ogs_tlv_octet_t *octet);
int16_t ogs_gtp2_build_flow_qos(ogs_tlv_octet_t *octet,
ogs_gtp2_flow_qos_t *flow_qos, void *data, int data_len);
/* 8.17 RAT Type */
#define OGS_GTP2_RAT_TYPE_UTRAN 1
#define OGS_GTP2_RAT_TYPE_GERAN 2
#define OGS_GTP2_RAT_TYPE_WLAN 3
#define OGS_GTP2_RAT_TYPE_GAN 4
#define OGS_GTP2_RAT_TYPE_HSPA_EVOLUTION 5
#define OGS_GTP2_RAT_TYPE_EUTRAN 6
#define OGS_GTP2_RAT_TYPE_VIRTUAL 7
#define OGS_GTP2_RAT_TYPE_EUTRAN_NB_IOT 8
/* 8.19 EPS Bearer Level Traffic Flow Template (Bearer TFT)
* See subclause 10.5.6.12 in 3GPP TS 24.008 [13]. */
#define OGS_GTP2_MAX_TRAFFIC_FLOW_TEMPLATE 255
typedef struct ogs_gtp2_tft_s {
union {
struct {
#define OGS_GTP2_TFT_CODE_IGNORE_THIS_IE 0
#define OGS_GTP2_TFT_CODE_CREATE_NEW_TFT 1
#define OGS_GTP2_TFT_CODE_DELETE_EXISTING_TFT 2
#define OGS_GTP2_TFT_CODE_ADD_PACKET_FILTERS_TO_EXISTING_TFT 3
#define OGS_GTP2_TFT_CODE_REPLACE_PACKET_FILTERS_IN_EXISTING 4
#define OGS_GTP2_TFT_CODE_DELETE_PACKET_FILTERS_FROM_EXISTING 5
#define OGS_GTP2_TFT_CODE_NO_TFT_OPERATION 6
ED3(uint8_t code:3;,
uint8_t e_bit:1;,
uint8_t num_of_packet_filter:4;)
};
uint8_t flags;
};
struct {
union {
struct {
ED3(uint8_t spare:2;,
uint8_t direction:2;,
uint8_t identifier:4;)
};
uint8_t flags;
};
uint8_t precedence;
ogs_pf_content_t content;
} pf[OGS_MAX_NUM_OF_FLOW_IN_GTP];
} ogs_gtp2_tft_t;
int16_t ogs_gtp2_parse_tft(ogs_gtp2_tft_t *tft, ogs_tlv_octet_t *octet);
int16_t ogs_gtp2_build_tft(
ogs_tlv_octet_t *octet, ogs_gtp2_tft_t *tft, void *data, int data_len);
/* 8.21 User Location Information (ULI) */
#define OGS_GTP2_MAX_ULI_LEN sizeof(ogs_gtp2_uli_t)
typedef struct ogs_gtp2_uli_cgi_s {
ogs_nas_plmn_id_t nas_plmn_id;
uint16_t lac;
uint16_t ci;
} __attribute__ ((packed)) ogs_gtp2_uli_cgi_t;
typedef struct ogs_gtp2_uli_sai_s {
ogs_nas_plmn_id_t nas_plmn_id;
uint16_t lac;
uint16_t sac;
} __attribute__ ((packed)) ogs_gtp2_uli_sai_t;
typedef struct ogs_gtp2_uli_rai_s {
ogs_nas_plmn_id_t nas_plmn_id;
uint16_t lac;
uint16_t rac;
} __attribute__ ((packed)) ogs_gtp2_uli_rai_t;
typedef struct ogs_gtp2_uli_lai_s {
ogs_nas_plmn_id_t nas_plmn_id;
uint16_t lac;
} __attribute__ ((packed)) ogs_gtp2_uli_lai_t;
typedef struct ogs_gtp2_uli_tai_s {
ogs_nas_plmn_id_t nas_plmn_id;
uint16_t tac;
} __attribute__ ((packed)) ogs_gtp2_uli_tai_t;
typedef struct ogs_gtp2_uli_e_cgi_s {
ogs_nas_plmn_id_t nas_plmn_id;
uint32_t cell_id;
} __attribute__ ((packed)) ogs_gtp2_uli_e_cgi_t;
typedef struct ogs_gtp2_uli_enodeb_id_s {
ogs_nas_plmn_id_t nas_plmn_id;
uint16_t enodeb_id;
} __attribute__ ((packed)) ogs_gtp2_uli_enodeb_id_t;
typedef struct ogs_gtp2_uli_ext_enodeb_id_s {
ogs_nas_plmn_id_t nas_plmn_id;
uint32_t enodeb_id;
} __attribute__ ((packed)) ogs_gtp2_uli_ext_enodeb_id_t;
typedef struct ogs_gtp2_uli_s {
union {
struct {
ED8(uint8_t ext_enodeb_id:1;,
uint8_t enodeb_id:1;,
uint8_t lai:1;,
uint8_t e_cgi:1;,
uint8_t tai:1;,
uint8_t rai:1;,
uint8_t sai:1;,
uint8_t cgi:1;)
};
uint8_t octet;
} flags;
ogs_gtp2_uli_cgi_t cgi;
ogs_gtp2_uli_sai_t sai;
ogs_gtp2_uli_rai_t rai;
ogs_gtp2_uli_tai_t tai;
ogs_gtp2_uli_e_cgi_t e_cgi;
ogs_gtp2_uli_lai_t lai;
ogs_gtp2_uli_enodeb_id_t enodeb_id;
ogs_gtp2_uli_ext_enodeb_id_t ext_enodeb_id;
} ogs_gtp2_uli_t;
int16_t ogs_gtp2_parse_uli(ogs_gtp2_uli_t *uli, ogs_tlv_octet_t *octet);
int16_t ogs_gtp2_build_uli(ogs_tlv_octet_t *octet,
ogs_gtp2_uli_t *uli, void *data, int data_len);
/* 8.22 Fully Qualified TEID (F-TEID) */
#define OGS_GTP2_F_TEID_S1_U_ENODEB_GTP_U 0
#define OGS_GTP2_F_TEID_S1_U_SGW_GTP_U 1
#define OGS_GTP2_F_TEID_S12_RNC_GTP_U 2
#define OGS_GTP2_F_TEID_S12_SGW_GTP_U 3
#define OGS_GTP2_F_TEID_S5_S8_SGW_GTP_U 4
#define OGS_GTP2_F_TEID_S5_S8_PGW_GTP_U 5
#define OGS_GTP2_F_TEID_S5_S8_SGW_GTP_C 6
#define OGS_GTP2_F_TEID_S5_S8_PGW_GTP_C 7
#define OGS_GTP2_F_TEID_S5_S8_SGW_PMIPV6 8
#define OGS_GTP2_F_TEID_S5_S8_PGW_PMIPV6 9
#define OGS_GTP2_F_TEID_S11_MME_GTP_C 10
#define OGS_GTP2_F_TEID_S11_S4_SGW_GTP_C 11
#define OGS_GTP2_F_TEID_S10_MME_GTP_C 12
#define OGS_GTP2_F_TEID_S3_MME_GTP_C 13
#define OGS_GTP2_F_TEID_S3_SGSN_GTP_C 14
#define OGS_GTP2_F_TEID_S4_SGSN_GTP_U 15
#define OGS_GTP2_F_TEID_S4_SGW_GTP_U 16
#define OGS_GTP2_F_TEID_S4_SGSN_GTP_C 17
#define OGS_GTP2_F_TEID_S16_SGSN_GTP_C 18
#define OGS_GTP2_F_TEID_ENODEB_GTP_U_FOR_DL_DATA_FORWARDING 19
#define OGS_GTP2_F_TEID_ENODEB_GTP_U_FOR_UL_DATA_FORWARDING 20
#define OGS_GTP2_F_TEID_RNC_GTP_U_FOR_DATA_FORWARDING 21
#define OGS_GTP2_F_TEID_SGSN_GTP_U_FOR_DATA_FORWARDING 22
#define OGS_GTP2_F_TEID_SGW_GTP_U_FOR_DL_DATA_FORWARDING 23
#define OGS_GTP2_F_TEID_SM_MBMS_GW_GTP_C 24
#define OGS_GTP2_F_TEID_SN_MBMS_GW_GTP_C 25
#define OGS_GTP2_F_TEID_SM_MME_GTP_C 26
#define OGS_GTP2_F_TEID_SN_SGSN_GTP_C 27
#define OGS_GTP2_F_TEID_SGW_GTP_U_FOR_UL_DATA_FORWARDING 28
#define OGS_GTP2_F_TEID_SN_SGSN_GTP_U 29
#define OGS_GTP2_F_TEID_S2B_EPDG_GTP_C 30
#define OGS_GTP2_F_TEID_S2B_U_EPDG_GTP_U 31
#define OGS_GTP2_F_TEID_S2B_PGW_GTP_C 32
#define OGS_GTP2_F_TEID_S2B_U_PGW_GTP_U 33
#define OGS_GTP2_F_TEID_S2A_TWAN_GTP_U 34
#define OGS_GTP2_F_TEID_S2A_TWAN_GTP_C 35
#define OGS_GTP2_F_TEID_S2A_PGW_GTP_C 36
#define OGS_GTP2_F_TEID_S2A_PGW_GTP_U 37
#define OGS_GTP2_F_TEID_S11_MME_GTP_U 38
#define OGS_GTP2_F_TEID_S11_SGW_GTP_U 39
#define OGS_GTP2_F_TEID_HDR_LEN 5
#define OGS_GTP2_F_TEID_IPV4_LEN OGS_IPV4_LEN+OGS_GTP2_F_TEID_HDR_LEN
#define OGS_GTP2_F_TEID_IPV6_LEN OGS_IPV6_LEN+OGS_GTP2_F_TEID_HDR_LEN
#define OGS_GTP2_F_TEID_IPV4V6_LEN OGS_IPV4V6_LEN+OGS_GTP2_F_TEID_HDR_LEN
typedef struct ogs_gtp2_f_teid_s {
ED3(uint8_t ipv4:1;,
uint8_t ipv6:1;,
uint8_t interface_type:6;)
uint32_t teid;
union {
/* OGS_GTP2_F_TEID_IPV4 */
uint32_t addr;
/* OGS_GTP2_F_TEID_IPV6 */
uint8_t addr6[OGS_IPV6_LEN];
/* OGS_GTP2_F_TEID_BOTH */
struct {
uint32_t addr;
uint8_t addr6[OGS_IPV6_LEN];
} both;
};
} __attribute__ ((packed)) ogs_gtp2_f_teid_t;
/* 8.44 UE Time Zone */
#define OGS_GTP2_UE_TIME_ZONE_NO_ADJUSTMENT_FOR_DAYLIGHT_SAVING_TIME 0
#define OGS_GTP2_UE_TIME_ZONE_1_HOUR_FOR_DAYLIGHT_SAVING_TIME 1
#define OGS_GTP2_UE_TIME_ZONE_2_HOUR_FOR_DAYLIGHT_SAVING_TIME 2
/* 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 */
typedef struct ogs_gtp2_ue_timezone_s {
#define OGS_GTP2_TIME_TO_BCD(x) OGS_TIME_TO_BCD(x)
/* The Time Zone indicates the difference, expressed in quarters of an hour,
* between the local time and GMT. In the first of the two semi-octets,
* the first bit (bit 3 of the seventh octet of
* the TP-Service-Centre-Time-Stamp field) represents
* the algebraic sign of this difference (0: positive, 1: negative). */
uint8_t timezone;
ED2(uint8_t spare:6;,
uint8_t daylight_saving_time:2;)
} __attribute__ ((packed)) ogs_gtp2_ue_timezone_t;
/* 8.57 APN Restriction */
#define OGS_GTP2_APN_NO_RESTRICTION 0
#define OGS_GTP2_APN_RESTRICTION_PUBLIC_1 1
#define OGS_GTP2_APN_RESTRICTION_PUBLIC_2 2
#define OGS_GTP2_APN_RESTRICTION_PRIVATE_1 3
#define OGS_GTP2_APN_RESTRICTION_PRIVATE_2 4
/* 8.58 Selection Mode */
#define OGS_GTP2_SELECTION_MODE_MS_OR_NETWORK_PROVIDED_APN 0
#define OGS_GTP2_SELECTION_MODE_MS_PROVIDED_APN 1
#define OGS_GTP2_SELECTION_MODE_NETWORK_PROVIDED_APN 2
/* 8.65 Node Type */
#define OGS_GTP2_NODE_TYPE_MME 0
#define OGS_GTP2_NODE_TYPE_SGSN 1
/* 8.86 Allocation/Retention Priority (ARP) */
typedef struct ogs_gtp2_arp_s {
#define OGS_GTP2_TIME_TO_BCD(x) OGS_TIME_TO_BCD(x)
ED5(uint8_t spare1:1;,
uint8_t pre_emption_vulnerability:1;,
uint8_t priority_level:4;,
uint8_t spare2:1;,
uint8_t pre_emption_capability:1;)
} __attribute__ ((packed)) ogs_gtp2_arp_t;
#ifdef __cplusplus
}
#endif
#endif /* OGS_GTP2_TYPES_H */
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