mirror of https://github.com/PentHertz/srsLTE.git
469 lines
19 KiB
C++
469 lines
19 KiB
C++
/**
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* Copyright 2013-2022 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN 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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* srsRAN 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 SRSRAN_GTPC_MSG_H
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#define SRSRAN_GTPC_MSG_H
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#include "srsran/asn1/gtpc_ies.h"
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namespace srsran {
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/****************************************************************
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*
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* GTP-C Message Types
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* Ref: TS 29.274 v10.14.0 Table 6.1-1
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*
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****************************************************************/
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const uint8_t GTPC_MSG_TYPE_RESERVED = 0;
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const uint8_t GTPC_MSG_TYPE_ECHO_REQUEST = 1;
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const uint8_t GTPC_MSG_TYPE_ECHO_RESPONSE = 2;
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const uint8_t GTPC_MSG_TYPE_VERSION_SUPPORT = 3;
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// 4-24 Reserved for S101
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// 25-31 Reserved for Sv interface
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// SGSN/MME/ePDG to PGW (S4/S11, S5/S8, S2b)
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const uint8_t GTPC_MSG_TYPE_CREATE_SESSION_REQUEST = 32;
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const uint8_t GTPC_MSG_TYPE_CREATE_SESSION_RESPONSE = 33;
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const uint8_t GTPC_MSG_TYPE_DELETE_SESSION_REQUEST = 36;
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const uint8_t GTPC_MSG_TYPE_DELETE_SESSION_RESPONSE = 37;
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// SGSN/MME to PGW (S4/S11, S5/S8)
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const uint8_t GTPC_MSG_TYPE_MODIFY_BEARER_REQUEST = 34;
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const uint8_t GTPC_MSG_TYPE_MODIFY_BEARER_RESPONSE = 35;
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const uint8_t GTPC_MSG_TYPE_CHANGE_NOTIFICATION_REQUEST = 38;
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const uint8_t GTPC_MSG_TYPE_CHANGE_NOTIFICATION_RESPONSE = 39;
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// 40 - 63 for future use
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const uint8_t GTPC_MSG_TYPE_RESUME_NOTIFICATION = 164;
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const uint8_t GTPC_MSG_TYPE_RESUME_ACKNOWLEDGE = 165;
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// Messages without explicit response
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const uint8_t GTPC_MSG_TYPE_MODIFY_BEARER_COMMAND = 64; //(MME/SGSN/ePDG to PGW – S11/S4, S5/S8, S2b)
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const uint8_t GTPC_MSG_TYPE_MODIFY_BEARER_FAILURE_INDICATION = 65; //(PGW to MME/SGSN/ePDG – S5/S8, S11/S4, S2b)
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const uint8_t GTPC_MSG_TYPE_DELETE_BEARER_COMMAND = 66; //(MME/SGSN to PGW – S11/S4, S5/S8)
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const uint8_t GTPC_MSG_TYPE_DELETE_BEARER_FAILURE_INDICATION = 67; //(PGW to MME/SGSN – S5/S8, S11/S4))
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const uint8_t GTPC_MSG_TYPE_BEARER_RESOURCE_COMMAND = 68; //(MME/SGSN to PGW – S11/S4, S5/S8)
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const uint8_t GTPC_MSG_TYPE_BEARER_RESOURCE_FAILURE_INDICATION = 69; //(PGW to MME/SGSN – S5/S8, S11/S4)
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const uint8_t GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION_FAILURE_INDICATION = 70; //(SGSN/MME to SGW – S4/S11)
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const uint8_t GTPC_MSG_TYPE_TRACE_SESSION_ACTIVATION = 71; //(MME/SGSN/ePDG to PGW – S11/S4, S5/S8, S2b)
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const uint8_t GTPC_MSG_TYPE_TRACE_SESSION_DEACTIVATION = 72; //(MME/SGSN/ePDG to PGW – S11/S4, S5/S8, S2b)
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const uint8_t GTPC_MSG_TYPE_STOP_PAGING_INDICATION = 73; //(SGW to MME/SGSN – S11/S4)
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// 74-94 For future use
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// P-GW to SGSN/MME/ePDG
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const uint8_t GTPC_MSG_TYPE_CREATE_BEARER_REQUEST = 95;
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const uint8_t GTPC_MSG_TYPE_CREATE_BEARER_RESPONSE = 96;
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const uint8_t GTPC_MSG_TYPE_UPDATE_BEARER_REQUEST = 97;
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const uint8_t GTPC_MSG_TYPE_UPDATE_BEARER_RESPONSE = 98;
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const uint8_t GTPC_MSG_TYPE_DELETE_BEARER_REQUEST = 99;
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const uint8_t GTPC_MSG_TYPE_DELETE_BEARER_RESPONSE = 100;
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// PGW to MME, MME to PGW, SGW to PGW, SGW to MME, PGW to ePDG, ePDG to PGW (S5/S8, S11, S2b)
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const uint8_t GTPC_MSG_TYPE_DELETE_PDN_CONNECTION_SET_REQUEST = 101;
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const uint8_t GTPC_MSG_TYPE_DELETE_PDN_CONNECTION_SET_RESPONSE = 102;
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// 103-127 For future use
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// MME to MME, SGSN to MME, MME to SGSN, SGSN to SGSN (S3/S10/S16)
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const uint8_t GTPC_MSG_TYPE_IDENTIFICATION_REQUEST = 128;
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const uint8_t GTPC_MSG_TYPE_IDENTIFICATION_RESPONSE = 129;
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const uint8_t GTPC_MSG_TYPE_CONTEXT_REQUEST = 130;
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const uint8_t GTPC_MSG_TYPE_CONTEXT_RESPONSE = 131;
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const uint8_t GTPC_MSG_TYPE_CONTEXT_ACKNOWLEDGE = 132;
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const uint8_t GTPC_MSG_TYPE_FORWARD_RELOCATION_REQUEST = 133;
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const uint8_t GTPC_MSG_TYPE_FORWARD_RELOCATION_RESPONSE = 134;
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const uint8_t GTPC_MSG_TYPE_FORWARD_RELOCATION_COMPLETE_NOTIFICATION = 135;
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const uint8_t GTPC_MSG_TYPE_FORWARD_RELOCATION_COMPLETE_ACKNOWLEDGE = 136;
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const uint8_t GTPC_MSG_TYPE_FORWARD_ACCESS_CONTEXT_NOTIFICATION = 137;
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const uint8_t GTPC_MSG_TYPE_FORWARD_ACCESS_CONTEXT_ACKNOWLEDGE = 138;
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const uint8_t GTPC_MSG_TYPE_RELOCATION_CANCEL_REQUEST = 139;
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const uint8_t GTPC_MSG_TYPE_RELOCATION_CANCEL_RESPONSE = 140;
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const uint8_t GTPC_MSG_TYPE_CONFIGURATION_TRANSFER_TUNNEL = 141;
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// 142 - 148 For future use
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const uint8_t GTPC_MSG_TYPE_RAN_INFORMATION_RELAY = 152;
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// SGSN to MME, MME to SGSN (S3)
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const uint8_t GTPC_MSG_TYPE_DETACH_NOTIFICATION = 149;
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const uint8_t GTPC_MSG_TYPE_DETACH_ACKNOWLEDGE = 150;
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const uint8_t GTPC_MSG_TYPE_CS_PAGING_INDICATION = 151;
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const uint8_t GTPC_MSG_TYPE_ALERT_MME_NOTIFICATION = 153;
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const uint8_t GTPC_MSG_TYPE_ALERT_MME_ACKNOWLEDGE = 154;
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const uint8_t GTPC_MSG_TYPE_UE_ACTIVITY_NOTIFICATION = 155;
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const uint8_t GTPC_MSG_TYPE_UE_ACTIVITY_ACKNOWLEDGE = 156;
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// 157 - 159 For future use
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// GSN/MME to SGW, SGSN to MME (S4/S11/S3) SGSN to SGSN (S16), SGW to PGW (S5/S8)
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const uint8_t GTPC_MSG_TYPE_SUSPEND_NOTIFICATION = 162;
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const uint8_t GTPC_MSG_TYPE_SUSPEND_ACKNOWLEDGE = 163;
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// SGSN/MME to SGW (S4/S11) const uint8_t GTPC_IE_TYPE_
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const uint8_t GTPC_MSG_TYPE_CREATE_FORWARDING_TUNNEL_REQUEST = 160;
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const uint8_t GTPC_MSG_TYPE_CREATE_FORWARDING_TUNNEL_RESPONSE = 161;
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const uint8_t GTPC_MSG_TYPE_CREATE_INDIRECT_DATA_FORWARDING_TUNNEL_REQUEST = 166;
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const uint8_t GTPC_MSG_TYPE_CREATE_INDIRECT_DATA_FORWARDING_TUNNEL_RESPONSE = 167;
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const uint8_t GTPC_MSG_TYPE_DELETE_INDIRECT_DATA_FORWARDING_TUNNEL_REQUEST = 168;
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const uint8_t GTPC_MSG_TYPE_DELETE_INDIRECT_DATA_FORWARDING_TUNNEL_RESPONSE = 169;
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const uint8_t GTPC_MSG_TYPE_RELEASE_ACCESS_BEARERS_REQUEST = 170;
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const uint8_t GTPC_MSG_TYPE_RELEASE_ACCESS_BEARERS_RESPONSE = 171;
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// 172 - 175 For future use
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// SGW to SGSN/MME (S4/S11)
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const uint8_t GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION = 176;
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const uint8_t GTPC_MSG_TYPE_DOWNLINK_DATA_NOTIFICATION_ACKNOWLEDGE = 177;
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const uint8_t GTPC_MSG_TYPE_PGW_RESTART_NOTIFICATION = 179;
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const uint8_t GTPC_MSG_TYPE_PGW_RESTART_NOTIFICATION_ACKNOWLEDGE = 180;
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// SGW to SGSN (S4)
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// 178 Reserved. Allocated in earlier version of the specification.
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// 181 -189 For future use
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// SGW to PGW, PGW to SGW (S5/S8)
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const uint8_t GTPC_MSG_TYPE_UPDATE_PDN_CONNECTION_SET_REQUEST = 200;
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const uint8_t GTPC_MSG_TYPE_UPDATE_PDN_CONNECTION_SET_RESPONSE = 201;
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// For future use
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// MME to SGW (S11)
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const uint8_t GTPC_MSG_TYPE_MODIFY_ACCESS_BEARERS_REQUEST = 211;
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const uint8_t GTPC_MSG_TYPE_MODIFY_ACCESS_BEARERS_RESPONSE = 212;
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// For future use
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// MBMS GW to MME/SGSN (Sm/Sn)
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const uint8_t GTPC_MSG_TYPE_MBMS_SESSION_START_REQUEST = 231;
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const uint8_t GTPC_MSG_TYPE_MBMS_SESSION_START_RESPONSE = 232;
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const uint8_t GTPC_MSG_TYPE_MBMS_SESSION_UPDATE_REQUEST = 233;
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const uint8_t GTPC_MSG_TYPE_MBMS_SESSION_UPDATE_RESPONSE = 234;
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const uint8_t GTPC_MSG_TYPE_MBMS_SESSION_STOP_REQUEST = 235;
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const uint8_t GTPC_MSG_TYPE_MBMS_SESSION_STOP_RESPONSE = 236;
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// For future use
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// Other
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// 240 - 255 For future use
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// Helper function to pretty print GTP-C message type
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const char* gtpc_msg_type_to_str(uint8_t type);
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/****************************************************************************
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*
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* GTP-C v2 Create Session Request
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* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.1-1
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*
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***************************************************************************/
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struct gtpc_create_session_request {
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bool imsi_present;
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uint64_t imsi; // C
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// bool msidn_present;
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// uint64_t msisdn; // C
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// bool mei_present;
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// uint64_t mei; // C/CO
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// bool user_location_info_present;
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// struct gtpc_user_location_info_ie uli; // C/CO
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// bool serving_network_present;
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// struct gtpc_serving_network_ie serving_network; // C/CO
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enum gtpc_rat_type rat_type; // M
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// bool indication_flags_present;
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// struct indication_flags_ indication_flags; // C
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struct gtpc_f_teid_ie sender_f_teid; // M
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bool pgw_addr_present;
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struct gtpc_f_teid_ie pgw_addr; // C
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char apn[MAX_APN_LENGTH]; // M
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// bool selection_mode_present;
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// enum selection_mode_ selection_mode; // C/CO
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// bool pdn_type_present;
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// enum gtpc_pdn_type pdn_type; // C
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// bool pdn_addr_alloc_present;
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// struct pdn_addr_alloc_ pdn_addr_alloc; // C/CO
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// bool max_apn_restriction_present;
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// enum apn_restriction_ max_apn_restriction; // C
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// bool apn_ambr_present;
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// struct ambr_ apn_ambr; // C
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// bool linked_eps_bearer_id_present;
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// uint8_t linked_eps_bearer_id; // C
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// bool pco_present;
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// uint8_t pco; // C
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struct gtpc_bearer_context_created_ie // see TS 29.274 v10.14.0 Table 7.2.1-2
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{
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uint8_t ebi;
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bool tft_present;
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bool s1_u_enodeb_f_teid_present;
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struct gtpc_f_teid_ie s1_u_enodeb_f_teid;
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bool s4_u_sgsn_f_teid_present;
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struct gtpc_f_teid_ie s4_u_sgsn_f_teid;
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bool s5_s8_u_sgw_f_teid_present;
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struct gtpc_f_teid_ie s5_s8_u_sgw_f_teid;
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bool s5_s8_u_pgw_f_teid_present;
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struct gtpc_f_teid_ie s5_s8_u_pgw_f_teid;
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bool s12_rnc_f_teid_present;
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struct gtpc_f_teid_ie s12_rnc_f_teid;
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bool s2b_u_epdg_f_teid_present;
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struct gtpc_f_teid_ie s2b_u_epdg_f_teid;
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struct gtpc_bearer_qos_ie bearer_qos;
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} eps_bearer_context_created;
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// bool bearer_context_deleted_present;
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// struct bearer_context_ bearer_context_deleted; // C
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// bool trace_information_present;
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// struct trace_infromation_ trace_information; // C
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// bool recovery_present
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// uint8_t recovery; // C
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// bool mme_fq_csid_present;
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// struct fq_csid_ mme_fq_csid; // C
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// bool sgw_fq_csid_present;
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// struct fq_csid_ sgw_fq_csid; // C
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// bool epdg_fq_csid_present;
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// struct fq_csid_ epdg_fq_csid; // C
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// bool ue_time_zone_present;
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// struct ue_time_zone_ ue_time_zone; // CO
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// bool uci_present;
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// struct uci_ uci; // CO
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// bool charging_caracteristics_present;
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// enum charging_characteristics_ charging_caracteristics; // O
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// bool mme_ldn_present;
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// uint8_t mme_ldn[LDN_MAX_SIZE]; // O
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// bool sgw_ldn_present;
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// uint8_t sgw_ldn[LDN_MAX_SIZE]; // O
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// bool epgd_ldn_present;
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// uint8_t epdg_ldn[LDN_MAX_SIZE]; // O
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// bool signaling_priority_indication;
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// enum signalling_priority_indication_ spi; // CO
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// bool acpo_present;
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// uint8_t apco; // CO
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// bool ext; // O
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};
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/****************************************************************************
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*
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* GTP-C v2 Create Session Response
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* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.2-1
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*
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***************************************************************************/
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struct gtpc_create_session_response {
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struct gtpc_cause_ie cause; // M
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// Change Reporting Action //C
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// CSG Information Reporting Action //CO
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bool sender_f_teid_present;
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struct gtpc_f_teid_ie sender_f_teid; // C
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// PGW S5/S8/S2b F-TEID //C
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bool paa_present;
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struct gtpc_pdn_address_allocation_ie paa; // C
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// apn_restriction
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// apn_ambr
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// linked_eps_bearer_id
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// pco
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struct gtpc_bearer_context_created_ie {
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uint8_t ebi;
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gtpc_cause_ie cause;
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bool s1_u_sgw_f_teid_present;
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struct gtpc_f_teid_ie s1_u_sgw_f_teid;
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bool s4_u_sgw_f_teid_present;
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struct gtpc_f_teid_ie s4_u_sgw_f_teid;
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bool s5_s8_u_pgw_f_teid_present;
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struct gtpc_f_teid_ie s5_s8_u_pgw_f_teid;
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bool s12_sgw_f_teid_present;
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struct gtpc_f_teid_ie s12_sgw_f_teid;
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bool s2b_u_pgw_f_teid_present;
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struct gtpc_f_teid_ie s2b_u_pgw_f_teid;
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bool bearer_level_qos_present;
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struct gtpc_bearer_qos_ie bearer_level_qos;
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// charging_id_present
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// charging_id
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// bearer_flags_present
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// bearer_flags
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} eps_bearer_context_created; // M
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/*
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struct gtpc_bearer_context_removed_ie
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{
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uint8_t ebi;
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} bearer_context_removed; //C
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*/
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// recovery; //C
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// charging_gateway_name; //C
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// charging_gateway_address; //C
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// PGW-FQ-CSID //C
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// SGW-FQ-CSID //C
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// SGW LDN //O
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// PGW LDN //O
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// PGW Back-Off Time //O
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// acpo //CO
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};
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/****************************************************************************
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*
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* GTP-C v2 Modify Bearer Request
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* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.7-1, 7.2.7-2 and 7.2.7-3
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*
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***************************************************************************/
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struct gtpc_modify_bearer_request {
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// ME Identity (MEI)//C
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// User Location Information (ULI)//C
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// Serving Network //CO
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// RAT Type //C/CO
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// Indication Flags
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// Sender F-TEID for Control Plane
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// APN-AMBR
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// Delay Downlink Packet Notification Request
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struct gtpc_bearer_context_modified_ie {
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uint8_t ebi;
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gtpc_cause_ie cause;
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bool s1_u_enb_f_teid_present;
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struct gtpc_f_teid_ie s1_u_enb_f_teid;
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bool s5_s8_u_sgw_f_teid_present;
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struct gtpc_f_teid_ie s5_s8_u_sgw_f_teid;
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bool s12_rnc_f_teid_present;
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struct gtpc_f_teid_ie s12_rnc_f_teid;
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bool s4_u_sgsn_f_teid_present;
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struct gtpc_f_teid_ie s4_u_sgsn_f_teid;
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} eps_bearer_context_to_modify;
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// Bearer Contexts to be removed
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// Recovery
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// UE Time Zone
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// MME-FQ-CSID
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// SGW-FQ-CSID
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// User CSG Information (UCI)
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// MME/S4-SGSN LDN
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// SGW LDN
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};
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/****************************************************************************
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*
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* GTP-C v2 Modify Bearer Response
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* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.8-1
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*
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***************************************************************************/
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struct gtpc_modify_bearer_response {
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struct gtpc_cause_ie cause;
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// MSISDN
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// Linked EPS Bearer ID
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// APN-AMBR
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// APN Restriction
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// Protocol Configuration Options
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struct gtpc_bearer_context_modified_ie {
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uint8_t ebi;
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struct gtpc_cause_ie cause;
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bool s1_u_sgw_f_teid_present;
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struct gtpc_f_teid_ie s1_u_sgw_f_teid;
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bool s12_sgw_f_teid_present;
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struct gtpc_f_teid_ie s12_sgw_f_teid;
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bool s4_u_sgw_f_teid_present;
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struct gtpc_f_teid_ie s4_u_sgw_f_teid;
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// charging id
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// bearer flags
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} eps_bearer_context_modified;
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// Bearer Contexts marked for removal
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// Change Reporting action
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// CSG information reporting action
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// Charging gateway name
|
||
// charging gateway address
|
||
// P-GW FQ-CSID
|
||
// S-GW FQ-CSID
|
||
// Recovery
|
||
// S-GW LDN
|
||
// P-GW LDN
|
||
// indication Flags
|
||
// ext
|
||
};
|
||
|
||
/****************************************************************************
|
||
*
|
||
* GTP-C v2 Delete Session Resquest
|
||
* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.9.1-1
|
||
*
|
||
***************************************************************************/
|
||
struct gtpc_delete_session_request {
|
||
struct gtpc_cause_ie cause;
|
||
// Linked EPS Bearer ID
|
||
// User Location Information
|
||
// Indication Flags
|
||
// Protocol Configuration Options
|
||
// Originating Node
|
||
// Private extension
|
||
};
|
||
|
||
/****************************************************************************
|
||
*
|
||
* GTP-C v2 Delete Session Response
|
||
* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.10.1-1
|
||
*
|
||
***************************************************************************/
|
||
struct gtpc_delete_session_response {
|
||
struct gtpc_cause_ie cause;
|
||
// Recovery
|
||
// Protocol Configuration Options
|
||
// Private extension
|
||
};
|
||
|
||
/****************************************************************************
|
||
*
|
||
* GTP-C v2 Downlink Data Notification
|
||
* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.11.1-1
|
||
*
|
||
***************************************************************************/
|
||
struct gtpc_downlink_data_notification {
|
||
bool cause_present;
|
||
struct gtpc_cause_ie cause;
|
||
bool eps_bearer_id_present;
|
||
uint8_t eps_bearer_id;
|
||
bool allocation_retention_priority_present;
|
||
// struct gtpc_allocation_rention_priority_ie
|
||
bool imsi_present;
|
||
uint64_t imsi;
|
||
// Private extension
|
||
};
|
||
|
||
/****************************************************************************
|
||
*
|
||
* GTP-C v2 Downlink Data Notification Acknowledge
|
||
* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.11.2-1
|
||
*
|
||
***************************************************************************/
|
||
struct gtpc_downlink_data_notification_acknowledge {
|
||
struct gtpc_cause_ie cause;
|
||
// Data Notification Delay
|
||
// Recovery
|
||
// Private extension
|
||
};
|
||
|
||
/****************************************************************************
|
||
*
|
||
* GTP-C v2 Downlink Data Notification Failure Indication
|
||
* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.11.3-1
|
||
*
|
||
***************************************************************************/
|
||
struct gtpc_downlink_data_notification_failure_indication {
|
||
struct gtpc_cause_ie cause;
|
||
// Private extension
|
||
};
|
||
|
||
/****************************************************************************
|
||
*
|
||
* GTP-C v2 Release Access Bearers Request
|
||
* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.21.1-1
|
||
*
|
||
***************************************************************************/
|
||
struct gtpc_release_access_bearers_request {
|
||
bool list_of_rabs_present;
|
||
// Linked EPS Bearer ID
|
||
bool originating_node_present;
|
||
// Indication Flags
|
||
// Private Extension
|
||
};
|
||
|
||
/****************************************************************************
|
||
*
|
||
* GTP-C v2 Delete Session Response
|
||
* Ref: 3GPP TS 29.274 v10.14.0 Table 7.2.22.1-1
|
||
*
|
||
***************************************************************************/
|
||
struct gtpc_release_access_bearers_response {
|
||
struct gtpc_cause_ie cause;
|
||
// Recovery
|
||
// Private extension
|
||
};
|
||
|
||
} // namespace srsran
|
||
#endif // SRSRAN_GTPC_MSG_H
|