mirror of https://github.com/PentHertz/srsLTE.git
449 lines
15 KiB
C++
449 lines
15 KiB
C++
/*
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* Copyright 2013-2019 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSLTE_GTPC_IES_H
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#define SRSLTE_GTPC_IES_H
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#include "srslte/phy/io/netsource.h"
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namespace srslte
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{
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/****************************************************************
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*
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* GTP-C IE Types
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* Ref: TS 29.274 v10.14.0 Table 8.1-1
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*
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****************************************************************/
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enum gtpc_ie_type
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{
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//const uint8_t GTPC_IE_TYPE_RESERVED = 0;
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GTPC_IE_TYPE_IMSI = 1,
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GTPC_IE_TYPE_CAUSE = 2,
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GTPC_IE_TYPE_RECOVERY = 3,
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//4 to 50 RESERVED_FOR_S101_INTERFACE
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GTPC_IE_TYPE_STN_SR = 51,
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//52 to 70 RESERVED_FOR_SV_INTERFACE
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GTPC_IE_TYPE_APN = 71,
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GTPC_IE_TYPE_AMBR = 72,
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GTPC_IE_TYPE_EBI = 73,
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GTPC_IE_TYPE_IP_ADDRESS = 74,
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GTPC_IE_TYPE_MEI = 75,
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GTPC_IE_TYPE_MSISDN = 76,
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GTPC_IE_TYPE_INDICATION = 77,
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GTPC_IE_TYPE_PCO = 78,
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GTPC_IE_TYPE_PDN_ADDRESS_ALLOCATION = 79,
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GTPC_IE_TYPE_BEARER_QOS = 80,
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GTPC_IE_TYPE_FLOW_QOS = 81,
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GTPC_IE_TYPE_RAT_TYPE = 82,
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GTPC_IE_TYPE_SERVING_NETWORK = 83,
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GTPC_IE_TYPE_BEARER_TFT = 84,
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GTPC_IE_TYPE_TAD = 85,
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GTPC_IE_TYPE_ULI = 86,
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GTPC_IE_TYPE_F_TEID = 87,
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GTPC_IE_TYPE_TMSI = 88,
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GTPC_IE_TYPE_GLOBAL_CN_ID = 89,
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GTPC_IE_TYPE_S103_PDN_DATA_FORWARDING_INFO = 90,
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GTPC_IE_TYPE_S1_U_DATA_FORWARDING_INFO = 91,
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GTPC_IE_TYPE_DELAY_VALUE = 92,
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GTPC_IE_TYPE_BEARER_CONTEXT = 93,
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GTPC_IE_TYPE_CHARGING_ID = 94,
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GTPC_IE_TYPE_CHARGING_CHARACTERISTICS = 95,
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GTPC_IE_TYPE_TRACE_INFORMATION = 96,
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GTPC_IE_TYPE_BEARER_FLAGS = 97,
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//98 Reserved
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GTPC_IE_TYPE_PDN_TYPE = 99,
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GTPC_IE_TYPE_PROCEDURE_TRANSACTION_ID = 100,
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GTPC_IE_TYPE_DRX_PARAMETER = 101,
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//102 Reserved
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GTPC_IE_TYPE_MM_CONTEXT_GSM_KEY_AND_TRIPLETS = 103,
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GTPC_IE_TYPE_MM_CONTEXT_UMTS_KEY_USED_CIPHER_AND_QUINTUPLETS = 104,
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GTPC_IE_TYPE_MM_CONTEXT_GSM_KEY_USED_CIPHER_AND_QUINTUPLETS = 105,
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GTPC_IE_TYPE_MM_CONTEXT_UMTS_KEY_AND_QUINTUPLETS = 106,
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GTPC_IE_TYPE_MM_CONTEXT_EPS_SECURITY_CONTEXT_QUADRUPLETS_AND_QUINTUPLETS = 107,
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GTPC_IE_TYPE_MM_CONTEXT_UMTS_KEY_QUADRUPLETS_AND_QUINTUPLETS = 108,
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GTPC_IE_TYPE_PDN_CONNECTION = 109,
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GTPC_IE_TYPE_PDU_NUMBERS = 110,
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GTPC_IE_TYPE_P_TMSI = 111,
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GTPC_IE_TYPE_P_TMSI_SIGNATURE = 112,
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GTPC_IE_TYPE_HOP_COUNTER = 113,
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GTPC_IE_TYPE_UE_TIME_ZONE = 114,
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GTPC_IE_TYPE_TRACE_REFERENCE = 115,
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GTPC_IE_TYPE_COMPLETE_REQUEST_MESSAGE = 116,
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GTPC_IE_TYPE_GUTI = 117,
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GTPC_IE_TYPE_F_CONTAINER = 118,
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GTPC_IE_TYPE_F_CAUSE = 119,
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GTPC_IE_TYPE_SELECTED_PLMN_ID = 120,
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GTPC_IE_TYPE_TARGET_IDENTIFICATION = 121,
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//122 Reserved
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GTPC_IE_TYPE_PACKET_FLOW_ID = 123,
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GTPC_IE_TYPE_RAB_CONTEXT = 124,
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GTPC_IE_TYPE_SOURCE_RNC_PDCP_CONTEXT_INFO = 125,
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GTPC_IE_TYPE_UDP_SOURCE_PORT_NUMBER = 126,
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GTPC_IE_TYPE_APN_RESTRICTION = 127,
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GTPC_IE_TYPE_SELECTION_MODE = 128,
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GTPC_IE_TYPE_SOURCE_IDENTIFICATION = 129,
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//130 RESERVED
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GTPC_IE_TYPE_CHANGE_REPORTING_ACTION = 131,
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GTPC_IE_TYPE_FQ_CSID = 132,
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GTPC_IE_TYPE_CHANNEL_NEEDED = 133,
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GTPC_IE_TYPE_EMLPP_PRIORITY = 134,
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GTPC_IE_TYPE_NODE_TYPE = 135,
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GTPC_IE_TYPE_FQDN = 136,
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GTPC_IE_TYPE_TI = 137,
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GTPC_IE_TYPE_MBMS_SESSION_DURATION = 138,
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GTPC_IE_TYPE_MBMS_SERVICE_AREA = 139,
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GTPC_IE_TYPE_MBMS_SESSION_IDENTIFIER = 140,
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GTPC_IE_TYPE_MBMS_FLOW_IDENTIFIER = 141,
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GTPC_IE_TYPE_MBMS_IP_MULTICAST_DISTRIBUTION = 142,
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GTPC_IE_TYPE_MBMS_DISTRIBUTION_ACKNOWLEDGE = 143,
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GTPC_IE_TYPE_RFSP_INDEX = 144,
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GTPC_IE_TYPE_UCI = 145,
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GTPC_IE_TYPE_CSG_INFORMATION_REPORTING_ACTION = 146,
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GTPC_IE_TYPE_CSG_ID = 147,
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GTPC_IE_TYPE_CMI = 148,
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GTPC_IE_TYPE_SERVICE_INDICATOR = 149,
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GTPC_IE_TYPE_DETACH_TYPE = 150,
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GTPC_IE_TYPE_LDN = 151,
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GTPC_IE_TYPE_NODE_FEATURES = 152,
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GTPC_IE_TYPE_MBMS_TIME_TO_DATA_TRANSFER = 153,
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GTPC_IE_TYPE_THROTTLING =154,
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GTPC_IE_TYPE_ARP = 155,
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GTPC_IE_TYPE_EPC_TIMER = 156,
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GTPC_IE_TYPE_SIGNALLING_PRIORITY_INDICATION = 157,
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GTPC_IE_TYPE_TMGI = 158,
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GTPC_IE_TYPE_ADDITIONAL_MM_CONTEXT_FOR_SRVCC = 159,
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GTPC_IE_TYPE_ADDITIONAL_FLAGS_FOR_SRVCC = 160,
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//161 RESERVED
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GTPC_IE_TYPE_MDT_CONFIGURATION = 162,
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GTPC_IE_TYPE_APCO = 163,
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//164 RESERVED
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GTPC_IE_TYPE_CHANGE_TO_REPORT_FLAGS = 165,
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//168 TO 254 SPARE. FOR FUTURE USE.
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GTPC_IE_TYPE_PRIVATE_EXTENSION = 255
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};
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/****************************************************************
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*
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* GTP-C IMSI IE
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* Ref: TS 29.274 v10.14.0 Figure 8.3-1
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*
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****************************************************************/
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/*
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* The IMSI should be kept as an uint64_t.
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* The responsibility to convert from uint64_t to BCD coded is on
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* the pack_imsi_ie function
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*/
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/****************************************************************************
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*
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* GTP-C Cause IE
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* Ref: 3GPP TS 29.274 v10.14.0 Figure 8.4-1 and Table 8.4-1
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*
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***************************************************************************/
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enum gtpc_cause_value
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{
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//Reserved
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GTPC_CAUSE_VALUE_LOCAL_DETACH = 2,
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GTPC_CAUSE_VALUE_COMPLETE_DETACH = 3,
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GTPC_CAUSE_VALUE_RAT_CHANGED_FROM_3GPP_TO_NON_3GPP = 4,
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GTPC_CAUSE_VALUE_ISR_DEACTIVATION = 5,
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GTPC_CAUSE_VALUE_ERROR_INDICATION_RECEIVED_FROM_RNC_ENODEB_S4_SGSN = 6,
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GTPC_CAUSE_VALUE_IMSI_DETACH_ONLY = 7,
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GTPC_CAUSE_VALUE_REACTIVATION_REQUESTED = 8,
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GTPC_CAUSE_VALUE_PDN_RECONNECTION_TO_THIS_APN_DISALLOWED = 9,
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GTPC_CAUSE_VALUE_ACCESS_CHANGED_FROM_NON_3GPP_TO_3GPP = 10,
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GTPC_CAUSE_VALUE_PDN_CONNECTION_INACTIVITY_TIMER_EXPIRES = 11,
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//Spare. This value range shall be used by Cause values in an initial/request message.
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GTPC_CAUSE_VALUE_REQUEST_ACCEPTED = 16,
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GTPC_CAUSE_VALUE_REQUEST_ACCEPTED_PARTIALLY = 17,
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GTPC_CAUSE_VALUE_NEW_PDN_TYPE_DUE_TO_NETWORK_PREFERENCE = 18,
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GTPC_CAUSE_VALUE_NEW_PDN_TYPE_DUE_TO_SINGLE_ADDRESS_BEARER_ONLY = 19,
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//20-63 Spare.
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GTPC_CAUSE_VALUE_CONTEXT_NOT_FOUND = 64,
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GTPC_CAUSE_VALUE_INVALID_MESSAGE_FORMAT = 65,
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GTPC_CAUSE_VALUE_VERSION_NOT_SUPPORTED_BY_NEXT_PEER = 66,
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GTPC_CAUSE_VALUE_INVALID_LENGTH = 67,
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GTPC_CAUSE_VALUE_SERVICE_NOT_SUPPORTED = 68,
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GTPC_CAUSE_VALUE_MANDATORY_IE_INCORRECT = 69,
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GTPC_CAUSE_VALUE_MANDATORY_IE_MISSING = 70,
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//71 Shall not be used.
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GTPC_CAUSE_VALUE_SYSTEM_FAILURE = 72,
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GTPC_CAUSE_VALUE_NO_RESOURCES_AVAILABLE = 73,
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GTPC_CAUSE_VALUE_SEMANTIC_ERROR_IN_THE_TFT_OPERATION = 74,
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GTPC_CAUSE_VALUE_SYNTACTIC_ERROR_IN_THE_TFT_OPERATION = 75,
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GTPC_CAUSE_VALUE_SEMANTIC_ERRORS_IN_PACKET_FILTER = 76,
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GTPC_CAUSE_VALUE_SYNTACTIC_ERRORS_IN_PACKET_FILTER = 77,
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GTPC_CAUSE_VALUE_MISSING_OR_UNKNOWN_APN = 78,
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//79 Shall not be used.
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GTPC_CAUSE_VALUE_GRE_KEY_NOT_FOUND = 80,
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GTPC_CAUSE_VALUE_RELOCATION_FAILURE = 81,
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GTPC_CAUSE_VALUE_DENIED_IN_RAT = 82,
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GTPC_CAUSE_VALUE_PREFERRED_PDN_TYPE_NOT_SUPPORTED = 83,
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GTPC_CAUSE_VALUE_ALL_DYNAMIC_ADDRESSES_ARE_OCCUPIED = 84,
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GTPC_CAUSE_VALUE_UE_CONTEXT_WITHOUT_TFT_ALREADY_ACTIVATED = 85,
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GTPC_CAUSE_VALUE_PROTOCOL_TYPE_NOT_SUPPORTED = 86,
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GTPC_CAUSE_VALUE_UE_NOT_RESPONDING = 87,
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GTPC_CAUSE_VALUE_UE_REFUSES = 88,
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GTPC_CAUSE_VALUE_SERVICE_DENIED = 89,
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GTPC_CAUSE_VALUE_UNABLE_TO_PAGE_UE = 90,
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GTPC_CAUSE_VALUE_NO_MEMORY_AVAILABLE = 91,
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GTPC_CAUSE_VALUE_USER_AUTHENTICATION_FAILED = 92,
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GTPC_CAUSE_VALUE_APN_ACCESS_DENIED_NO_SUBSCRIPTION = 93,
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GTPC_CAUSE_VALUE_REQUEST_REJECTED = 94,
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GTPC_CAUSE_VALUE_P_TMSI_SIGNATURE_MISMATCH = 95,
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GTPC_CAUSE_VALUE_IMSI_IMEI_NOT_KNOWN = 96,
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GTPC_CAUSE_VALUE_SEMANTIC_ERROR_IN_THE_TAD_OPERATION = 97,
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GTPC_CAUSE_VALUE_SYNTACTIC_ERROR_IN_THE_TAD_OPERATION = 98,
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//99 Shall not be used.
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GTPC_CAUSE_VALUE_REMOTE_PEER_NOT_RESPONDING = 100,
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GTPC_CAUSE_VALUE_COLLISION_WITH_NETWORK_INITIATED_REQUEST = 101,
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GTPC_CAUSE_VALUE_UNABLE_TO_PAGE_UE_DUE_TO_SUSPENSION = 102,
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GTPC_CAUSE_VALUE_CONDITIONAL_IE_MISSING = 103,
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GTPC_CAUSE_VALUE_APN_RESTRICTION_TYPE_INCOMPATIBLE_WITH_CURRENTLY_ACTIVE_PDN_CONNECTION = 104,
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GTPC_CAUSE_VALUE_INVALID_OVERALL_LENGTH_OF_THE_TRIGGERED_RESPONSE_MSG_AND_A_PIGGYBACKED_INITIAL_MSG = 105,
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GTPC_CAUSE_VALUE_DATA_FORWARDING_NOT_SUPPORTED = 106,
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GTPC_CAUSE_VALUE_INVALID_REPLY_FROM_REMOTE_PEER = 107,
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GTPC_CAUSE_VALUE_FALLBACK_TO_GTPV1 = 108,
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GTPC_CAUSE_VALUE_INVALID_PEER = 109,
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GTPC_CAUSE_VALUE_TEMPORARILY_REJECTED_DUE_TO_HANDOVER_PROCEDURE_IN_PROGRESS = 110,
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GTPC_CAUSE_VALUE_MODIFICATIONS_NOT_LIMITED_TO_S1_U_BEARERS = 111,
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GTPC_CAUSE_VALUE_REQUEST_REJECTED_FOR_A_PMIPV6_REASON = 112,
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GTPC_CAUSE_VALUE_APN_CONGESTION = 113,
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GTPC_CAUSE_VALUE_BEARER_HANDLING_NOT_SUPPORTED = 114,
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GTPC_CAUSE_VALUE_UE_ALREADY_RE_ATTACHED = 115,
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GTPC_CAUSE_VALUE_MULTIPLE_PDN_CONNECTIONS_FOR_A_GIVEN_APN_NOT_ALLOWED = 116
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//117-239 Spare. For future use in a triggered/response message.
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//240-255 Spare. For future use in an initial/request message.
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};
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struct gtpc_cause_ie
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{
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enum gtpc_cause_value cause_value;
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bool pce;
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bool bce;
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bool cs;
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enum gtpc_ie_type offending_ie_type;
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uint16_t length_of_offending_ie;
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uint8_t offending_ie_instance;
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};
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/****************************************************************************
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*
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* GTP-C Recovery IE
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* Ref: 3GPP TS 29.274 v10.14.0 Figure 8.5-1
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*
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***************************************************************************/
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/*
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* The Recovery (Restart Counter) IE should be kept as an uint8_t.
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*/
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/****************************************************************************
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*
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* GTP-C Access Point Name IE
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* Ref: 3GPP TS 29.274 v10.14.0 Figure 8.6-1
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*
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***************************************************************************/
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/*
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* APN IE should be kept as an null terminated string.
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* This string will be kept in a char[MAX_APN_LENGTH] buffer.
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*/
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#define MAX_APN_LENGTH 1024
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/****************************************************************************
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*
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* GTP-C Aggregate Maximum bit-rate IE
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* Ref: 3GPP TS 29.274 v10.14.0 Table 8.7-1
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*
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***************************************************************************/
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struct gtpc_ambr_ie
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{
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uint32_t apn_ambr_uplink;
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uint32_t apn_ambr_downlink;
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};
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/****************************************************************************
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*
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* GTP-C EPS Bearer ID address IE
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* Ref: 3GPP TS 29.274 v10.14.0 Figure 8.8-1
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*
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***************************************************************************/
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/*
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* The EPS Bearer ID (EBI) IE should be kept as an uint8_t.
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*/
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/****************************************************************************
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*
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* GTP-C IP address IE
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* Ref: 3GPP TS 29.274 v10.14.0 Figure 8.9-1
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*
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***************************************************************************/
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/*
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* IP addresse IEs should the sockaddr_storage struct, which can hold IPv4
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* and IPv6 addresses.
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*/
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//TODO
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//TODO IEs between 8.10 and 8.13 missing
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//TODO
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/****************************************************************************
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*
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* GTP-C PDN Type IE
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* Ref: 3GPP TS 29.274 v10.14.0 Figure 8.14-1
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*
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***************************************************************************/
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enum gtpc_pdn_type
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{
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GTPC_PDN_TYPE_IPV4 = 1,
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GTPC_PDN_TYPE_IPV6 = 2,
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GTPC_PDN_TYPE_IPV4V6 = 3
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};
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struct gtpc_pdn_address_allocation_ie
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{
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enum gtpc_pdn_type pdn_type;
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bool ipv4_present;
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bool ipv6_present;
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in_addr_t ipv4;
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struct in6_addr ipv6;
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};
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/****************************************************************************
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*
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* GTP-C Bearer Quality of Service IE
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* Ref: 3GPP TS 29.274 v10.14.0 Figure 8.15-1
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*
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***************************************************************************/
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struct gtpc_bearer_qos_ie
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{
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struct {
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uint8_t pvi : 1;
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uint8_t spare : 1;
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uint8_t pl : 4;
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uint8_t pci : 1;
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uint8_t spare2 : 1;
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} arp;
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uint8_t qci;
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uint8_t mbr_ul;
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uint8_t mbr_dl;
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uint8_t gbr_ul;
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uint8_t gbr_dl;
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};
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//TODO
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//TODO IEs between 8.16 and 8.17 missing
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//TODO
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/****************************************************************************
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*
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* GTP-C RAT Type IE
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* Ref: 3GPP TS 29.274 v10.14.0 Figure 8.17-1
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*
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***************************************************************************/
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enum gtpc_rat_type
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{
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UTRAN = 1,
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GERAN,
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WLAN,
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GAN,
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HSPA_EVOLUTION,
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EUTRAN,
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Virtual
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};
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//TODO
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//TODO IEs between 8.17 and 8.22 missing
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//TODO
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/****************************************************************************
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*
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* GTP-C Fully Qualified Tunnel End-point Identifier (F-TEID) IE
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* Ref: 3GPP TS 29.274 v10.14.0 Figure 8.22-1
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*
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***************************************************************************/
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enum gtpc_interface_type
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{
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S1_U_ENODEB_GTP_U_INTERFACE,
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S1_U_SGW_GTP_U_INTERFACE,
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S12_RNC_GTP_U_INTERFACE,
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S12_SGW_GTP_U_INTERFACE,
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S5_S8_SGW_GTP_U_INTERFACE,
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S5_S8_PGW_GTP_U_INTERFACE,
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S5_S8_SGW_GTP_C_INTERFACE,
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S5_S8_PGW_GTP_C_INTERFACE,
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S5_S8_SGW_PMIPV6_INTERFACE, //(the 32 bit GRE key is encoded in 32 bit TEID field and since alternate CoA is not used the control plane and user plane addresses are the same for PMIPv6)
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S5_S8_PGW_PMIPV6_INTERFACE, //(the 32 bit GRE key is encoded in 32 bit TEID field and the control plane and user plane addresses are the same for PMIPv6)
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S11_MME_GTP_C_INTERFACE,
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S11_S4_SGW_GTP_C_INTERFACE,
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S10_MME_GTP_C_INTERFACE,
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S3_MME_GTP_C_INTERFACE,
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S3_SGSN_GTP_C_INTERFACE,
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S4_SGSN_GTP_U_INTERFACE,
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S4_SGW_GTP_U_INTERFACE,
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S4_SGSN_GTP_C_INTERFACE,
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S16_SGSN_GTP_C_INTERFACE,
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ENODEB_GTP_U_INTERFACE_FOR_DL_DATA_FORWARDING,
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ENODEB_GTP_U_INTERFACE_FOR_UL_DATA_FORWARDING,
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RNC_GTP_U_INTERFACE_FOR_DATA_FORWARDING,
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SGSN_GTP_U_INTERFACE_FOR_DATA_FORWARDING,
|
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SGW_GTP_U_INTERFACE_FOR_DL_DATA_FORWARDING,
|
|
SM_MBMS_GW_GTP_C_INTERFACE,
|
|
SN_MBMS_GW_GTP_C_INTERFACE,
|
|
SM_MME_GTP_C_INTERFACE,
|
|
SN_SGSN_GTP_C_INTERFACE,
|
|
SGW_GTP_U_INTERFACE_FOR_UL_DATA_FORWARDING,
|
|
SN_SGSN_GTP_U_INTERFACE,
|
|
S2B_EPDG_GTP_C_INTERFACE,
|
|
S2B_U_EPDG_GTP_U_INTERFACE,
|
|
S2B_PGW_GTP_C_INTERFACE,
|
|
S2B_U_PGW_GTP_U_INTERFACE
|
|
};
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|
|
|
|
|
typedef struct gtpc_f_teid_ie
|
|
{
|
|
bool ipv4_present;
|
|
bool ipv6_present;
|
|
enum gtpc_interface_type interface_type;
|
|
uint32_t teid;
|
|
in_addr_t ipv4;
|
|
struct in6_addr ipv6; //FIXME
|
|
} gtp_fteid_t;
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|
|
|
//TODO
|
|
//TODO IEs between 8.22 and 8.28 missing
|
|
//TODO
|
|
|
|
/****************************************************************************
|
|
*
|
|
* GTP-C Bearer Context IE
|
|
* Ref: 3GPP TS 29.274 v10.14.0 Table 8.28-1
|
|
*
|
|
***************************************************************************/
|
|
//The usage of this grouped IE is specific to the GTP-C message being sent.
|
|
//As such, each GTP-C message will define it's bearer context structures
|
|
//locally, according to the rules of TS 29.274 v10.14.0 Section 7.
|
|
|
|
} //namespace
|
|
#endif // SRSLTE_GTPC_IES_H
|