|
|
@ -121,7 +121,12 @@ s1ap_nas_transport::handle_initial_ue_message(LIBLTE_S1AP_MESSAGE_INITIALUEMESSA
|
|
|
|
m_s1ap_log->info("Received Service Request \n");
|
|
|
|
m_s1ap_log->info("Received Service Request \n");
|
|
|
|
m_s1ap_log->console("Received Service Request \n");
|
|
|
|
m_s1ap_log->console("Received Service Request \n");
|
|
|
|
liblte_mme_unpack_service_request_msg((LIBLTE_BYTE_MSG_STRUCT*) nas_msg, &service_req);
|
|
|
|
liblte_mme_unpack_service_request_msg((LIBLTE_BYTE_MSG_STRUCT*) nas_msg, &service_req);
|
|
|
|
return false;
|
|
|
|
|
|
|
|
|
|
|
|
m_s1ap_log->info("Service Request not implemented. Sending Service Reject.");
|
|
|
|
|
|
|
|
m_s1ap_log->console("Service Request not implemented. Sending Service Reject.");
|
|
|
|
|
|
|
|
/* Force UE to re-attach */
|
|
|
|
|
|
|
|
pack_service_reject(reply_buffer, LIBLTE_MME_EMM_CAUSE_IMPLICITLY_DETACHED, enb_ue_s1ap_id);
|
|
|
|
|
|
|
|
*reply_flag = true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
m_pool->deallocate(nas_msg);
|
|
|
|
m_pool->deallocate(nas_msg);
|
|
|
|
|
|
|
|
|
|
|
@ -1322,6 +1327,59 @@ s1ap_nas_transport::pack_emm_information(srslte::byte_buffer_t *reply_msg, uint3
|
|
|
|
return true;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool
|
|
|
|
|
|
|
|
s1ap_nas_transport::pack_service_reject(srslte::byte_buffer_t *reply_msg, uint8_t emm_cause, uint32_t enb_ue_s1ap_id)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
srslte::byte_buffer_t *nas_buffer = m_pool->allocate();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//Setup initiating message
|
|
|
|
|
|
|
|
LIBLTE_S1AP_S1AP_PDU_STRUCT tx_pdu;
|
|
|
|
|
|
|
|
bzero(&tx_pdu, sizeof(LIBLTE_S1AP_S1AP_PDU_STRUCT));
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
tx_pdu.ext = false;
|
|
|
|
|
|
|
|
tx_pdu.choice_type = LIBLTE_S1AP_S1AP_PDU_CHOICE_INITIATINGMESSAGE;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
LIBLTE_S1AP_INITIATINGMESSAGE_STRUCT *init = &tx_pdu.choice.initiatingMessage;
|
|
|
|
|
|
|
|
init->procedureCode = LIBLTE_S1AP_PROC_ID_DOWNLINKNASTRANSPORT;
|
|
|
|
|
|
|
|
init->choice_type = LIBLTE_S1AP_INITIATINGMESSAGE_CHOICE_DOWNLINKNASTRANSPORT;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//Setup Dw NAS structure
|
|
|
|
|
|
|
|
LIBLTE_S1AP_MESSAGE_DOWNLINKNASTRANSPORT_STRUCT *dw_nas = &init->choice.DownlinkNASTransport;
|
|
|
|
|
|
|
|
dw_nas->ext=false;
|
|
|
|
|
|
|
|
dw_nas->MME_UE_S1AP_ID.MME_UE_S1AP_ID = m_s1ap->get_next_mme_ue_s1ap_id();
|
|
|
|
|
|
|
|
dw_nas->eNB_UE_S1AP_ID.ENB_UE_S1AP_ID = enb_ue_s1ap_id;
|
|
|
|
|
|
|
|
dw_nas->HandoverRestrictionList_present=false;
|
|
|
|
|
|
|
|
dw_nas->SubscriberProfileIDforRFP_present=false;
|
|
|
|
|
|
|
|
LIBLTE_MME_SERVICE_REJECT_MSG_STRUCT service_rej;
|
|
|
|
|
|
|
|
service_rej.t3442_present = true;
|
|
|
|
|
|
|
|
service_rej.t3442.unit = LIBLTE_MME_GPRS_TIMER_DEACTIVATED;
|
|
|
|
|
|
|
|
service_rej.t3442.value = 0;
|
|
|
|
|
|
|
|
service_rej.t3446_present = true;
|
|
|
|
|
|
|
|
service_rej.t3446 = 0;
|
|
|
|
|
|
|
|
service_rej.emm_cause = emm_cause;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
LIBLTE_ERROR_ENUM err = liblte_mme_pack_service_reject_msg(&service_rej, LIBLTE_MME_SECURITY_HDR_TYPE_PLAIN_NAS, 0, (LIBLTE_BYTE_MSG_STRUCT *) nas_buffer);
|
|
|
|
|
|
|
|
if(err != LIBLTE_SUCCESS)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
m_s1ap_log->error("Error packing Service Reject\n");
|
|
|
|
|
|
|
|
m_s1ap_log->console("Error packing Service Reject\n");
|
|
|
|
|
|
|
|
return false;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//Copy NAS PDU to Downlink NAS Trasport message buffer
|
|
|
|
|
|
|
|
memcpy(dw_nas->NAS_PDU.buffer, nas_buffer->msg, nas_buffer->N_bytes);
|
|
|
|
|
|
|
|
dw_nas->NAS_PDU.n_octets = nas_buffer->N_bytes;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//Pack Downlink NAS Transport Message
|
|
|
|
|
|
|
|
err = liblte_s1ap_pack_s1ap_pdu(&tx_pdu, (LIBLTE_BYTE_MSG_STRUCT *) reply_msg);
|
|
|
|
|
|
|
|
if(err != LIBLTE_SUCCESS)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
m_s1ap_log->error("Error packing Dw NAS Transport: Service Reject\n");
|
|
|
|
|
|
|
|
m_s1ap_log->console("Error packing Downlink NAS Transport: Service Reject\n");
|
|
|
|
|
|
|
|
return false;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
|
|
|
|
}
|
|
|
|
/*Helper functions*/
|
|
|
|
/*Helper functions*/
|
|
|
|
void
|
|
|
|
void
|
|
|
|
s1ap_nas_transport::log_unhandled_attach_request_ies(const LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT *attach_req)
|
|
|
|
s1ap_nas_transport::log_unhandled_attach_request_ies(const LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT *attach_req)
|
|
|
|