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srsRAN_4G
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Starting to add DNS server configuration.

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master
Pedro Alvarez 7 years ago
parent e839d09b52
commit bc80cc3fff
2 changed files with 37 additions and 30 deletions
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2
srsepc/epc.conf.example
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@ -16,7 +16,7 @@
[mme]
mme_code = 0x1a
mme_group = 0x0001
tac = 0x0001
tac = 0x0007
mcc = 001
mnc = 01
mme_bind_addr = 127.0.1.100

65
srsepc/src/mme/s1ap_nas_transport.cc
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@ -467,19 +467,41 @@ s1ap_nas_transport::pack_attach_accept(ue_ctx_t *ue_ctx, LIBLTE_S1AP_E_RABTOBESE
m_s1ap_log->info("Packing Attach Accept\n");
//Attach accept
attach_accept.eps_attach_result = LIBLTE_MME_EPS_ATTACH_RESULT_EPS_ONLY;
attach_accept.eps_attach_result = LIBLTE_MME_EPS_ATTACH_RESULT_COMBINED_EPS_IMSI_ATTACH;
//Mandatory
//FIXME: Set t3412 from config
attach_accept.t3412.unit = LIBLTE_MME_GPRS_TIMER_DEACTIVATED; // 111 -> Timer deactivated
attach_accept.t3412.unit = 0; // No periodic tracking update
attach_accept.t3412.unit = LIBLTE_MME_GPRS_TIMER_UNIT_1_MINUTE; // GPRS 1 minute unit
attach_accept.t3412.value = 30; // 30 minute periodic timer
//FIXME: Set tai_list from config
attach_accept.tai_list.N_tais = 1;
attach_accept.tai_list.tai[0].mcc = 1;
attach_accept.tai_list.tai[0].mnc = 1;
attach_accept.tai_list.tai[0].tac = 7;
//Allocate a GUTI ot the UE
attach_accept.guti_present=true;
attach_accept.guti.type_of_id = 6; //110 -> GUTI
attach_accept.guti.guti.mcc = 1;
attach_accept.guti.guti.mnc = 1;
attach_accept.guti.guti.mme_group_id = 0x0001;
attach_accept.guti.guti.mme_code = 0x1a;
attach_accept.guti.guti.m_tmsi = 0x124ae;
/*
typedef struct{
uint32 m_tmsi;
uint16 mcc;
uint16 mnc;
uint16 mme_group_id;
uint8 mme_code;
}LIBLTE_MME_EPS_MOBILE_ID_GUTI_STRUCT;
typedef struct{
LIBLTE_MME_EPS_MOBILE_ID_GUTI_STRUCT guti;
uint8 type_of_id;
uint8 imsi[15];
uint8 imei[15];
}LIBLTE_MME_EPS_MOBILE_ID_STRUCT;*/
//Make sure all unused options are set to false
attach_accept.guti_present=false;
attach_accept.lai_present=false;
attach_accept.ms_id_present=false;
attach_accept.emm_cause_present=false;
@ -509,33 +531,18 @@ s1ap_nas_transport::pack_attach_accept(ue_ctx_t *ue_ctx, LIBLTE_S1AP_E_RABTOBESE
//act_def_eps_bearer_context_req.apn
std::string apn("test123");
act_def_eps_bearer_context_req.apn.apn = apn; //FIXME
act_def_eps_bearer_context_req.proc_transaction_id = ue_ctx->procedure_transaction_id; //FIXME
//Make sure unused options are set to false
/*
typedef struct{
LIBLTE_MME_EPS_QUALITY_OF_SERVICE_STRUCT eps_qos; //TODO
LIBLTE_MME_ACCESS_POINT_NAME_STRUCT apn; //TODO
LIBLTE_MME_PDN_ADDRESS_STRUCT pdn_addr; //DONE
uint8 eps_bearer_id; //DONE
uint8 proc_transaction_id;
}LIBLTE_MME_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT;
typedef struct{
uint8 qci;
uint8 mbr_ul;
uint8 mbr_dl;
uint8 gbr_ul;
uint8 gbr_dl;
uint8 mbr_ul_ext;
uint8 mbr_dl_ext;
uint8 gbr_ul_ext;
uint8 gbr_dl_ext;
bool br_present;
bool br_ext_present;
}LIBLTE_MME_EPS_QUALITY_OF_SERVICE_STRUCT;
*/
//Set DNS server
act_def_eps_bearer_context_req.protocol_cnfg_opts_present = true;
act_def_eps_bearer_context_req.protocol_cnfg_opts.N_opts = 1;
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].id = 0x0d;
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].len = 4;
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[0] = 8;
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[1] = 8;
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[2] = 8;
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[3] = 8;
uint8_t sec_hdr_type =2;
ue_ctx->security_ctxt.dl_nas_count++;
liblte_mme_pack_activate_default_eps_bearer_context_request_msg(&act_def_eps_bearer_context_req, &attach_accept.esm_msg);

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