void eNB_dlsch_ulsch_scheduler(module_id_t module_idP,uint8_t cooperation_flag, frame_t frameP, sub_frame_t subframeP) //, int calibration_flag) { { unsigned int nprb[MAX_NUM_CCs]; unsigned int nCCE[MAX_NUM_CCs]; int mbsfn_status[MAX_NUM_CCs]; uint32_t RBalloc[MAX_NUM_CCs]; protocol_ctxt_t ctxt; #ifdef EXMIMO int ret; #endif #if defined(ENABLE_ITTI) MessageDef *msg_p; const char *msg_name; instance_t instance; int result; #endif DCI_PDU *DCI_pdu[MAX_NUM_CCs]; int CC_id,i,next_i; UE_list_t *UE_list=&eNB_mac_inst[module_idP].UE_list; rnti_t rnti; LOG_D(MAC,"[eNB %d] Frame %d, Subframe %d, entering MAC scheduler (UE_list->head %d)\n",module_idP, frameP, subframeP,UE_list->head); start_meas(&eNB_mac_inst[module_idP].eNB_scheduler); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ULSCH_SCHEDULER,VCD_FUNCTION_IN); for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { DCI_pdu[CC_id] = &eNB_mac_inst[module_idP].common_channels[CC_id].DCI_pdu; nCCE[CC_id]=0; nprb[CC_id]=0; RBalloc[CC_id]=0; mbsfn_status[CC_id]=0; } // refresh UE list based on UEs dropped by PHY in previous subframe i = UE_list->head; while (i>=0) { rnti = UE_RNTI(module_idP, i); CC_id = UE_PCCID(module_idP, i); LOG_D(MAC,"UE %d: rnti %x (%p)\n", i, rnti, mac_xface->get_eNB_UE_stats(module_idP, CC_id, rnti)); next_i= UE_list->next[i]; if (mac_xface->get_eNB_UE_stats(module_idP, CC_id, rnti)==NULL) { mac_remove_ue(module_idP, i, frameP, subframeP); } i = next_i; } #if defined(ENABLE_ITTI) do { // Checks if a message has been sent to MAC sub-task itti_poll_msg (TASK_MAC_ENB, &msg_p); if (msg_p != NULL) { msg_name = ITTI_MSG_NAME (msg_p); instance = ITTI_MSG_INSTANCE (msg_p); switch (ITTI_MSG_ID(msg_p)) { case MESSAGE_TEST: LOG_D(MAC, "Received %s\n", ITTI_MSG_NAME(msg_p)); break; case RRC_MAC_BCCH_DATA_REQ: LOG_D(MAC, "Received %s from %s: instance %d, frameP %d, eNB_index %d\n", msg_name, ITTI_MSG_ORIGIN_NAME(msg_p), instance, RRC_MAC_BCCH_DATA_REQ (msg_p).frame, RRC_MAC_BCCH_DATA_REQ (msg_p).enb_index); // TODO process BCCH data req. break; case RRC_MAC_CCCH_DATA_REQ: LOG_D(MAC, "Received %s from %s: instance %d, frameP %d, eNB_index %d\n", msg_name, ITTI_MSG_ORIGIN_NAME(msg_p), instance, RRC_MAC_CCCH_DATA_REQ (msg_p).frame, RRC_MAC_CCCH_DATA_REQ (msg_p).enb_index); // TODO process CCCH data req. break; #ifdef Rel10 case RRC_MAC_MCCH_DATA_REQ: LOG_D(MAC, "Received %s from %s: instance %d, frameP %d, eNB_index %d, mbsfn_sync_area %d\n", msg_name, ITTI_MSG_ORIGIN_NAME(msg_p), instance, RRC_MAC_MCCH_DATA_REQ (msg_p).frame, RRC_MAC_MCCH_DATA_REQ (msg_p).enb_index, RRC_MAC_MCCH_DATA_REQ (msg_p).mbsfn_sync_area); // TODO process MCCH data req. break; #endif default: LOG_E(MAC, "Received unexpected message %s\n", msg_name); break; } result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), msg_p); AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result); } } while(msg_p != NULL); #endif // clear DCI and BCCH contents before scheduling for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { DCI_pdu[CC_id]->Num_common_dci = 0; DCI_pdu[CC_id]->Num_ue_spec_dci = 0; eNB_mac_inst[module_idP].common_channels[CC_id].bcch_active = 0; #ifdef Rel10 eNB_mac_inst[module_idP].common_channels[CC_id].mcch_active =0; #endif eNB_mac_inst[module_idP].frame = frameP; eNB_mac_inst[module_idP].subframe = subframeP; } //if (subframeP%5 == 0) //#ifdef EXMIMO PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_idP, ENB_FLAG_YES, NOT_A_RNTI, frameP, 0,module_idP); pdcp_run(&ctxt); //#endif // check HO rrc_rx_tx(&ctxt, 0, // eNB index, unused in eNB CC_id); #ifdef Rel10 for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { if (eNB_mac_inst[module_idP].common_channels[CC_id].MBMS_flag >0) { start_meas(&eNB_mac_inst[module_idP].schedule_mch); mbsfn_status[CC_id] = schedule_MBMS(module_idP,CC_id,frameP,subframeP); stop_meas(&eNB_mac_inst[module_idP].schedule_mch); } } #endif // refresh UE list based on UEs dropped by PHY in previous subframe /* i=UE_list->head; while (i>=0) { next_i = UE_list->next[i]; LOG_T(MAC,"UE %d : rnti %x, stats %p\n",i,UE_RNTI(module_idP,i),mac_xface->get_eNB_UE_stats(module_idP,0,UE_RNTI(module_idP,i))); if (mac_xface->get_eNB_UE_stats(module_idP,0,UE_RNTI(module_idP,i))==NULL) { mac_remove_ue(module_idP,i,frameP); } i=next_i; } */ switch (subframeP) { case 0: // FDD/TDD Schedule Downlink RA transmissions (RA response, Msg4 Contention resolution) // Schedule ULSCH for FDD or subframeP 4 (TDD config 0,3,6) // Schedule Normal DLSCH schedule_RA(module_idP,frameP,subframeP,2,nprb,nCCE); if (mac_xface->lte_frame_parms->frame_type == FDD) { //FDD schedule_ulsch(module_idP,frameP,cooperation_flag,0,4,nCCE);//,calibration_flag); } else if ((mac_xface->lte_frame_parms->tdd_config == TDD) || //TDD (mac_xface->lte_frame_parms->tdd_config == 3) || (mac_xface->lte_frame_parms->tdd_config == 6)) { //schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,4,nCCE);//,calibration_flag); } // schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status); break; case 1: // TDD, schedule UL for subframeP 7 (TDD config 0,1) / subframeP 8 (TDD Config 6) // FDD, schedule normal UL/DLSCH if (mac_xface->lte_frame_parms->frame_type == TDD) { // TDD switch (mac_xface->lte_frame_parms->tdd_config) { case 0: case 1: schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,7,nCCE); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); break; case 6: schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,8,nCCE); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); break; default: break; } } else { //FDD schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); schedule_ulsch(module_idP,frameP,cooperation_flag,1,5,nCCE); } break; case 2: // TDD, nothing // FDD, normal UL/DLSCH if (mac_xface->lte_frame_parms->frame_type == FDD) { //FDD schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); schedule_ulsch(module_idP,frameP,cooperation_flag,2,6,nCCE); } break; case 3: // TDD Config 2, ULSCH for subframeP 7 // TDD Config 2/5 normal DLSCH // FDD, normal UL/DLSCH if (mac_xface->lte_frame_parms->frame_type == TDD) { switch (mac_xface->lte_frame_parms->tdd_config) { case 2: schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,7,nCCE); // no break here! case 5: schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); break; default: break; } } else { //FDD schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); schedule_ulsch(module_idP,frameP,cooperation_flag,3,7,nCCE); } break; case 4: // TDD Config 1, ULSCH for subframeP 8 // TDD Config 1/2/4/5 DLSCH // FDD UL/DLSCH if (mac_xface->lte_frame_parms->frame_type == 1) { // TDD switch (mac_xface->lte_frame_parms->tdd_config) { case 1: // schedule_RA(module_idP,frameP,subframeP,nprb,nCCE); schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,8,nCCE); // no break here! case 2: // no break here! case 4: // no break here! case 5: schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status); break; default: break; } } else { if (mac_xface->lte_frame_parms->frame_type == FDD) { //FDD // schedule_RA(module_idP,frameP, subframeP, 0, nprb, nCCE); // schedule_ulsch(module_idP, frameP, cooperation_flag, 4, 8, nCCE); schedule_ue_spec(module_idP, frameP, subframeP, nprb, nCCE, mbsfn_status); fill_DLSCH_dci(module_idP, frameP, subframeP, RBalloc, 1, mbsfn_status); } } break; case 5: // TDD/FDD Schedule SI // TDD Config 0,6 ULSCH for subframes 9,3 resp. // TDD normal DLSCH // FDD normal UL/DLSCH schedule_SI(module_idP,frameP,nprb,nCCE); //schedule_RA(module_idP,frameP,subframeP,5,nprb,nCCE); if (mac_xface->lte_frame_parms->frame_type == FDD) { schedule_RA(module_idP,frameP,subframeP,1,nprb,nCCE); // schedule_ulsch(module_idP,frameP,cooperation_flag,5,9,nCCE); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status); } else if ((mac_xface->lte_frame_parms->tdd_config == 0) || // TDD Config 0 (mac_xface->lte_frame_parms->tdd_config == 6)) { // TDD Config 6 //schedule_ulsch(module_idP,cooperation_flag,subframeP,nCCE); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); } else { //schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); } break; case 6: // TDD Config 0,1,6 ULSCH for subframes 2,3 // TDD Config 3,4,5 Normal DLSCH // FDD normal ULSCH/DLSCH if (mac_xface->lte_frame_parms->frame_type == TDD) { // TDD switch (mac_xface->lte_frame_parms->tdd_config) { case 0: break; case 1: schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,2,nCCE); // schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); break; case 6: schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,3,nCCE); // schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); break; case 5: schedule_RA(module_idP,frameP,subframeP,2,nprb,nCCE); schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status); break; case 3: case 4: schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); break; default: break; } } else { //FDD // schedule_ulsch(module_idP,frameP,cooperation_flag,6,0,nCCE); schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); } break; case 7: // TDD Config 3,4,5 Normal DLSCH // FDD Normal UL/DLSCH if (mac_xface->lte_frame_parms->frame_type == TDD) { // TDD switch (mac_xface->lte_frame_parms->tdd_config) { case 3: case 4: schedule_RA(module_idP,frameP,subframeP,3,nprb,nCCE); // 3 = Msg3 subframeP, not schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status); break; case 5: schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); break; default: break; } } else { //FDD //schedule_ulsch(module_idP,frameP,cooperation_flag,7,1,nCCE); schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); } break; case 8: // TDD Config 2,3,4,5 ULSCH for subframeP 2 // // FDD Normal UL/DLSCH if (mac_xface->lte_frame_parms->frame_type == TDD) { // TDD switch (mac_xface->lte_frame_parms->tdd_config) { case 2: case 3: case 4: case 5: // schedule_RA(module_idP,subframeP,nprb,nCCE); schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,2,nCCE); schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); break; default: break; } } else { //FDD //schedule_ulsch(module_idP,frameP,cooperation_flag,8,2,nCCE); schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); } break; case 9: // TDD Config 1,3,4,6 ULSCH for subframes 3,3,3,4 if (mac_xface->lte_frame_parms->frame_type == TDD) { switch (mac_xface->lte_frame_parms->tdd_config) { case 1: schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,3,nCCE); schedule_RA(module_idP,frameP,subframeP,7,nprb,nCCE); // 7 = Msg3 subframeP, not schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status); break; case 3: case 4: schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,3,nCCE); schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); break; case 6: schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,4,nCCE); //schedule_RA(module_idP,frameP,subframeP,nprb,nCCE); schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); break; case 2: case 5: //schedule_RA(module_idP,frameP,subframeP,nprb,nCCE); schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); break; default: break; } } else { //FDD // schedule_ulsch(module_idP,frameP,cooperation_flag,9,3,nCCE); schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status); fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status); } break; } for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { DCI_pdu[CC_id]->nCCE = nCCE[CC_id]; } LOG_D(MAC,"frameP %d, subframeP %d nCCE %d\n",frameP,subframeP,nCCE[0]); stop_meas(&eNB_mac_inst[module_idP].eNB_scheduler); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ULSCH_SCHEDULER,VCD_FUNCTION_OUT); }
static void *nas_intertask_interface(void *args_p) { itti_mark_task_ready(TASK_NAS_MME); MSC_START_USE(); while(1) { MessageDef *received_message_p; next_message: itti_receive_msg(TASK_NAS_MME, &received_message_p); switch (ITTI_MSG_ID(received_message_p)) { case NAS_CONNECTION_ESTABLISHMENT_IND: { #if defined(DISABLE_USE_NAS) MessageDef *message_p; nas_attach_req_t *nas_req_p; s1ap_initial_ue_message_t *transparent; NAS_DEBUG("NAS abstraction: Generating NAS ATTACH REQ\n"); message_p = itti_alloc_new_message(TASK_NAS_MME, NAS_ATTACH_REQ); nas_req_p = &message_p->ittiMsg.nas_attach_req; transparent = &message_p->ittiMsg.nas_attach_req.transparent; nas_req_p->initial = INITIAL_REQUEST; sprintf(nas_req_p->imsi, "%14llu", 20834123456789ULL); memcpy(transparent, &received_message_p->ittiMsg.nas_conn_est_ind.transparent, sizeof(s1ap_initial_ue_message_t)); itti_send_msg_to_task(TASK_MME_APP, INSTANCE_DEFAULT, message_p); #else nas_establish_ind_t *nas_est_ind_p; nas_est_ind_p = &received_message_p->ittiMsg.nas_conn_est_ind.nas; nas_proc_establish_ind(nas_est_ind_p->UEid, nas_est_ind_p->tac, nas_est_ind_p->initialNasMsg.data, nas_est_ind_p->initialNasMsg.length); #endif } break; #if defined(DISABLE_USE_NAS) case NAS_ATTACH_ACCEPT: { itti_send_msg_to_task(TASK_S1AP, INSTANCE_DEFAULT, received_message_p); goto next_message; } break; case NAS_AUTHENTICATION_REQ: { MessageDef *message_p; nas_auth_resp_t *nas_resp_p; NAS_DEBUG("NAS abstraction: Generating NAS AUTHENTICATION RESPONSE\n"); message_p = itti_alloc_new_message(TASK_NAS_MME, NAS_AUTHENTICATION_RESP); nas_resp_p = &message_p->ittiMsg.nas_auth_resp; memcpy(nas_resp_p->imsi, received_message_p->ittiMsg.nas_auth_req.imsi, 16); itti_send_msg_to_task(TASK_MME_APP, INSTANCE_DEFAULT, message_p); } break; #else case NAS_UPLINK_DATA_IND: { nas_proc_ul_transfer_ind(NAS_UL_DATA_IND(received_message_p).UEid, NAS_UL_DATA_IND(received_message_p).nasMsg.data, NAS_UL_DATA_IND(received_message_p).nasMsg.length); } break; case NAS_DOWNLINK_DATA_CNF: { nas_proc_dl_transfer_cnf(NAS_DL_DATA_CNF(received_message_p).UEid); } break; case NAS_DOWNLINK_DATA_REJ: { nas_proc_dl_transfer_rej(NAS_DL_DATA_REJ(received_message_p).UEid); } break; case NAS_AUTHENTICATION_PARAM_RSP: { nas_proc_auth_param_res(&NAS_AUTHENTICATION_PARAM_RSP(received_message_p)); } break; case NAS_AUTHENTICATION_PARAM_FAIL: { nas_proc_auth_param_fail(&NAS_AUTHENTICATION_PARAM_FAIL(received_message_p)); } break; #endif case NAS_PDN_CONNECTIVITY_RSP: { nas_proc_pdn_connectivity_res(&NAS_PDN_CONNECTIVITY_RSP(received_message_p)); } break; case NAS_PDN_CONNECTIVITY_FAIL: { nas_proc_pdn_connectivity_fail(&NAS_PDN_CONNECTIVITY_FAIL(received_message_p)); } break; case TIMER_HAS_EXPIRED: { #if !defined(DISABLE_USE_NAS) /* Call the NAS timer api */ nas_timer_handle_signal_expiry(TIMER_HAS_EXPIRED(received_message_p).timer_id, TIMER_HAS_EXPIRED(received_message_p).arg); #endif } break; case S1AP_ENB_DEREGISTERED_IND: { #if !defined(DISABLE_USE_NAS) int i; for (i = 0; i < S1AP_ENB_DEREGISTERED_IND(received_message_p).nb_ue_to_deregister; i ++) { nas_proc_deregister_ue(S1AP_ENB_DEREGISTERED_IND(received_message_p).mme_ue_s1ap_id[i]); } #endif } break; case S1AP_DEREGISTER_UE_REQ: { #if !defined(DISABLE_USE_NAS) nas_proc_deregister_ue(S1AP_DEREGISTER_UE_REQ(received_message_p).mme_ue_s1ap_id); #endif } break; case TERMINATE_MESSAGE: { itti_exit_task(); } break; default: { NAS_DEBUG("Unkwnon message ID %d:%s from %s\n", ITTI_MSG_ID(received_message_p), ITTI_MSG_NAME(received_message_p), ITTI_MSG_ORIGIN_NAME(received_message_p)); } break; } itti_free(ITTI_MSG_ORIGIN_ID(received_message_p), received_message_p); received_message_p = NULL; } return NULL; }