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104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
/*
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* \section LICENSE
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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 S1AP_COMMON_H
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#define S1AP_COMMON_H
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#include "srslte/common/security.h"
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#include "srslte/asn1/gtpc_ies.h"
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#include "srslte/asn1/liblte_s1ap.h"
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#include "srslte/asn1/liblte_mme.h"
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#include <netinet/sctp.h>
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namespace srsepc{
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static const uint8_t MAX_TA=255; //Maximum TA supported
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static const uint8_t MAX_BPLMN=6; //Maximum broadcasted PLMNs per TAC
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static const uint8_t MAX_ERABS_PER_UE = 16;
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enum erab_state
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{
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ERAB_DEACTIVATED,
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ERAB_CTX_REQUESTED,
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ERAB_CTX_SETUP,
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ERAB_ACTIVE
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};
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typedef struct{
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uint8_t mme_code;
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uint16_t mme_group;
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uint16_t tac; // 16-bit tac
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uint16_t mcc; // BCD-coded with 0xF filler
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uint16_t mnc; // BCD-coded with 0xF filler
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std::string mme_bind_addr;
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std::string mme_name;
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std::string mme_apn;
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} s1ap_args_t;
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typedef struct{
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bool enb_name_present;
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uint32_t enb_id;
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uint8_t enb_name[150];
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uint16_t mcc, mnc;
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uint32_t plmn;
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uint8_t nof_supported_ta;
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uint16_t tac[MAX_TA];
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uint8_t nof_supported_bplmns[MAX_TA];
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uint16_t bplmns[MAX_TA][MAX_BPLMN];
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LIBLTE_S1AP_PAGINGDRX_ENUM drx;
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struct sctp_sndrcvinfo sri;
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} enb_ctx_t;
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typedef struct{
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uint8_t k_asme[32];
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uint8_t xres[16]; //minimum 6, maximum 16
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uint32_t dl_nas_count;
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uint32_t ul_nas_count;
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srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo;
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srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo;
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uint8_t k_nas_enc[32];
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uint8_t k_nas_int[32];
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} eps_security_ctx_t;
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typedef struct{
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enum erab_state state;
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uint8_t erab_id;
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srslte::gtpc_f_teid_ie enb_fteid;
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srslte::gtpc_f_teid_ie sgw_ctrl_fteid;
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} erab_ctx_t;
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typedef struct{
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uint64_t imsi;
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uint32_t enb_ue_s1ap_id;
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uint32_t mme_ue_s1ap_id;
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uint16_t enb_id;
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struct sctp_sndrcvinfo enb_sri;
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eps_security_ctx_t security_ctxt;
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erab_ctx_t erabs_ctx[MAX_ERABS_PER_UE];
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LIBLTE_MME_UE_NETWORK_CAPABILITY_STRUCT ue_network_cap;
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bool ms_network_cap_present;
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LIBLTE_MME_MS_NETWORK_CAPABILITY_STRUCT ms_network_cap;
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bool eit;
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uint8_t procedure_transaction_id;
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uint8_t attach_type;
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} ue_ctx_t;
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}//namespace
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#endif
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