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Continuing to add attach accept and activate default bearer request NAS messages.

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master
Pedro Alvarez 7 years ago
parent f71c87d895
commit 45434351cc
1 changed files with 45 additions and 25 deletions
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70
srsepc/src/mme/s1ap_nas_transport.cc
Unescape Escape View File

@ -464,37 +464,57 @@ s1ap_nas_transport::pack_attach_accept(ue_ctx_t *ue_ctx, LIBLTE_S1AP_E_RABTOBESE
//Attach accept
attach_accept.eps_attach_result = LIBLTE_MME_EPS_ATTACH_RESULT_EPS_ONLY;
//Mandatory
//FIXME: Set t3412.unit
//FIXME: Set tai_list
//FIXME: Set esm_msg
//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
//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 = 1;
//Set activate default eps bearer (esm_ms)
//Set pdn_addr
act_def_eps_bearer_context_req.pdn_addr.pdn_type = LIBLTE_MME_PDN_TYPE_IPV4;
memcpy(act_def_eps_bearer_context_req.pdn_addr.addr, &paa->ipv4, 4);
/*
act_def_eps_bearer_context_req.pdn_addr.addr[0] |= ip_addr << 24;
act_def_eps_bearer_context_req.pdn_addr.addr[1] |= ip_addr << 16;
act_def_eps_bearer_context_req.pdn_addr.addr[2] |= ip_addr << 8;
act_def_eps_bearer_context_req.pdn_addr.addr[3] |= ip_addr;
*/
//Activate default EPS bearer context
//Set eps bearer id
act_def_eps_bearer_context_req.eps_bearer_id = erab_ctxt->e_RAB_ID.E_RAB_ID;
act_def_eps_bearer_context_req.transaction_id_present = false;
liblte_mme_pack_activate_default_eps_bearer_context_request_msg(&act_def_eps_bearer_context_req, &attach_accept.esm_msg);
//set eps_qos
act_def_eps_bearer_context_req.eps_qos.qci = erab_ctxt->e_RABlevelQoSParameters.qCI.QCI;
act_def_eps_bearer_context_req.eps_qos.mbr_ul = 254; //FIXME
act_def_eps_bearer_context_req.eps_qos.mbr_dl = 254; //FIXME
act_def_eps_bearer_context_req.eps_qos.mbr_ul_ext = 250; //FIXME
act_def_eps_bearer_context_req.eps_qos.mbr_dl_ext = 250; //FIXME check
//set apn
//act_def_eps_bearer_context_req.apn
std::string apn("internet");
act_def_eps_bearer_context_req.apn.apn = apn; //FIXME
//FIXME: Set the following parameters
// act_def_eps_bearer_context_req.eps_qos.qci
// act_def_eps_bearer_context_req.eps_qos.br_present
// act_def_eps_bearer_context_req.eps_qos.br_ext_present
// act_def_eps_bearer_context_req.apn.apn
// act_def_eps_bearer_context_req.negotiated_qos_present
// act_def_eps_bearer_context_req.llc_sapi_present
// act_def_eps_bearer_context_req.radio_prio_present
// act_def_eps_bearer_context_req.packet_flow_id_present
// act_def_eps_bearer_context_req.apn_ambr_present
// act_def_eps_bearer_context_req.protocol_cnfg_opts_present
// act_def_eps_bearer_context_req.connectivity_type_present
// FIXME: Setup the default EPS bearer context
/*
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;
*/
liblte_mme_pack_activate_default_eps_bearer_context_request_msg(&act_def_eps_bearer_context_req, &attach_accept.esm_msg);
//Integrity protect NAS message
uint8_t mac[4];
srslte::security_128_eia1 (&ue_ctx->security_ctxt.k_nas_int[16],

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