improvements in UE detachment, including sending a message from NAS and...

improvements in UE detachment, including sending a message from NAS and signaling to MAC and fixing some memory leaks when terminating UE

openair2/COMMON/as_message.h

@@ -401,6 +401,10 @@ typedef struct nas_deregistration_req_s {
   release_cause_t cause;
 } nas_deregistration_req_t;
 
+typedef struct nas_detach_req_s {
+  bool wait_release;
+} nas_detach_req_t;
+
 /*
  * --------------------------------------------------------------------------
  *              NAS information transfer

openair2/COMMON/rrc_messages_def.h

@@ -61,6 +61,7 @@ MESSAGE_DEF(NAS_KENB_REFRESH_REQ,       MESSAGE_PRIORITY_MED,       NasKenbRefre
 MESSAGE_DEF(NAS_CELL_SELECTION_REQ,     MESSAGE_PRIORITY_MED,       NasCellSelectionReq,        nas_cell_selection_req)
 MESSAGE_DEF(NAS_CONN_ESTABLI_REQ,       MESSAGE_PRIORITY_MED,       NasConnEstabliReq,          nas_conn_establi_req)
 MESSAGE_DEF(NAS_UPLINK_DATA_REQ,        MESSAGE_PRIORITY_MED,       NasUlDataReq,               nas_ul_data_req)
+MESSAGE_DEF(NAS_DETACH_REQ,             MESSAGE_PRIORITY_MED,       NasDetachReq,               nas_detach_req)
 MESSAGE_DEF(NAS_DEREGISTRATION_REQ,     MESSAGE_PRIORITY_MED,       NasDeregistrationReq,       nas_deregistration_req)
 
 MESSAGE_DEF(NAS_RAB_ESTABLI_RSP,        MESSAGE_PRIORITY_MED,       NasRabEstRsp,               nas_rab_est_rsp)

openair2/COMMON/rrc_messages_types.h

@@ -74,6 +74,7 @@
 #define NAS_CELL_SELECTION_REQ(mSGpTR)  (mSGpTR)->ittiMsg.nas_cell_selection_req
 #define NAS_CONN_ESTABLI_REQ(mSGpTR)    (mSGpTR)->ittiMsg.nas_conn_establi_req
 #define NAS_UPLINK_DATA_REQ(mSGpTR)     (mSGpTR)->ittiMsg.nas_ul_data_req
+#define NAS_DETACH_REQ(mSGpTR)          (mSGpTR)->ittiMsg.nas_detach_req
 #define NAS_DEREGISTRATION_REQ(mSGpTR)  (mSGpTR)->ittiMsg.nas_deregistration_req
 
 #define NAS_RAB_ESTABLI_RSP(mSGpTR)     (mSGpTR)->ittiMsg.nas_rab_est_rsp
@@ -429,6 +430,7 @@ typedef cell_info_req_t         NasCellSelectionReq;
 typedef nas_establish_req_t     NasConnEstabliReq;
 typedef ul_info_transfer_req_t  NasUlDataReq;
 typedef nas_deregistration_req_t NasDeregistrationReq;
+typedef nas_detach_req_t        NasDetachReq;
 
 typedef rab_establish_rsp_t     NasRabEstRsp;
 

openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c

@@ -4431,20 +4431,18 @@ void get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PD
   type0_PDCCH_CSS_config->cset_start_rb = ssb_offset_point_a - type0_PDCCH_CSS_config->rb_offset;
 }
 
-void fill_coresetZero(NR_ControlResourceSet_t *coreset0, NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config) {
-
-  int32_t duration;
-
+void fill_coresetZero(NR_ControlResourceSet_t *coreset0, NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config)
+{
   if (coreset0 == NULL)
     coreset0 = calloc(1,sizeof(*coreset0));
 
-  coreset0->controlResourceSetId = 0;
-
   AssertFatal(type0_PDCCH_CSS_config!=NULL,"No type0 CSS configuration\n");
 
-  duration = type0_PDCCH_CSS_config->num_symbols;
+  coreset0->controlResourceSetId = 0;
+  int duration = type0_PDCCH_CSS_config->num_symbols;
 
-  if(coreset0->frequencyDomainResources.buf == NULL) coreset0->frequencyDomainResources.buf = calloc(1,6);
+  if(coreset0->frequencyDomainResources.buf == NULL)
+    coreset0->frequencyDomainResources.buf = calloc(1,6);
 
   switch(type0_PDCCH_CSS_config->num_rbs){
     case 24:
@@ -4470,8 +4468,9 @@ void fill_coresetZero(NR_ControlResourceSet_t *coreset0, NR_Type0_PDCCH_CSS_conf
   coreset0->frequencyDomainResources.bits_unused = 3;
 
   coreset0->duration = duration;
-  coreset0->cce_REG_MappingType.present=NR_ControlResourceSet__cce_REG_MappingType_PR_interleaved;
-  coreset0->cce_REG_MappingType.choice.interleaved=calloc(1,sizeof(*coreset0->cce_REG_MappingType.choice.interleaved));
+  coreset0->cce_REG_MappingType.present = NR_ControlResourceSet__cce_REG_MappingType_PR_interleaved;
+  if (!coreset0->cce_REG_MappingType.choice.interleaved)
+    coreset0->cce_REG_MappingType.choice.interleaved = calloc(1,sizeof(*coreset0->cce_REG_MappingType.choice.interleaved));
   coreset0->cce_REG_MappingType.choice.interleaved->reg_BundleSize = NR_ControlResourceSet__cce_REG_MappingType__interleaved__reg_BundleSize_n6;
   coreset0->cce_REG_MappingType.choice.interleaved->interleaverSize = NR_ControlResourceSet__cce_REG_MappingType__interleaved__interleaverSize_n2;
   coreset0->cce_REG_MappingType.choice.interleaved->shiftIndex = NULL; // -> use cell_id
@@ -4481,23 +4480,28 @@ void fill_coresetZero(NR_ControlResourceSet_t *coreset0, NR_Type0_PDCCH_CSS_conf
   coreset0->tci_StatesPDCCH_ToReleaseList = NULL;
   coreset0->tci_PresentInDCI = NULL;
   coreset0->pdcch_DMRS_ScramblingID = NULL;
-
 }
 
 void fill_searchSpaceZero(NR_SearchSpace_t *ss0,
                           int slots_per_frame,
                           NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config)
 {
-
-  if(ss0 == NULL) ss0=calloc(1,sizeof(*ss0));
-  if(ss0->controlResourceSetId == NULL) ss0->controlResourceSetId=calloc(1,sizeof(*ss0->controlResourceSetId));
-  if(ss0->monitoringSymbolsWithinSlot == NULL) ss0->monitoringSymbolsWithinSlot = calloc(1,sizeof(*ss0->monitoringSymbolsWithinSlot));
-  if(ss0->monitoringSymbolsWithinSlot->buf == NULL) ss0->monitoringSymbolsWithinSlot->buf = calloc(1,2);
-  if(ss0->nrofCandidates == NULL) ss0->nrofCandidates = calloc(1,sizeof(*ss0->nrofCandidates));
-  if(ss0->searchSpaceType == NULL) ss0->searchSpaceType = calloc(1,sizeof(*ss0->searchSpaceType));
-  if(ss0->searchSpaceType->choice.common == NULL) ss0->searchSpaceType->choice.common=calloc(1,sizeof(*ss0->searchSpaceType->choice.common));
+  if(ss0 == NULL)
+    ss0 = calloc(1, sizeof(*ss0));
+  if(ss0->controlResourceSetId == NULL)
+    ss0->controlResourceSetId = calloc(1, sizeof(*ss0->controlResourceSetId));
+  if(ss0->monitoringSymbolsWithinSlot == NULL)
+    ss0->monitoringSymbolsWithinSlot = calloc(1, sizeof(*ss0->monitoringSymbolsWithinSlot));
+  if(ss0->monitoringSymbolsWithinSlot->buf == NULL)
+    ss0->monitoringSymbolsWithinSlot->buf = calloc(1, 2);
+  if(ss0->nrofCandidates == NULL)
+    ss0->nrofCandidates = calloc(1, sizeof(*ss0->nrofCandidates));
+  if(ss0->searchSpaceType == NULL)
+    ss0->searchSpaceType = calloc(1, sizeof(*ss0->searchSpaceType));
+  if(ss0->searchSpaceType->choice.common == NULL)
+    ss0->searchSpaceType->choice.common = calloc(1, sizeof(*ss0->searchSpaceType->choice.common));
   if(ss0->searchSpaceType->choice.common->dci_Format0_0_AndFormat1_0 == NULL)
-    ss0->searchSpaceType->choice.common->dci_Format0_0_AndFormat1_0 = calloc(1,sizeof(*ss0->searchSpaceType->choice.common->dci_Format0_0_AndFormat1_0));
+    ss0->searchSpaceType->choice.common->dci_Format0_0_AndFormat1_0 = calloc(1, sizeof(*ss0->searchSpaceType->choice.common->dci_Format0_0_AndFormat1_0));
 
   AssertFatal(type0_PDCCH_CSS_config!=NULL,"No type0 CSS configuration\n");
 
@@ -4508,13 +4512,15 @@ void fill_searchSpaceZero(NR_SearchSpace_t *ss0,
 
   ss0->searchSpaceId = 0;
   *ss0->controlResourceSetId = 0;
-  ss0->monitoringSlotPeriodicityAndOffset = calloc(1,sizeof(*ss0->monitoringSlotPeriodicityAndOffset));
+  if(ss0->monitoringSlotPeriodicityAndOffset == NULL)
+    ss0->monitoringSlotPeriodicityAndOffset = calloc(1, sizeof(*ss0->monitoringSlotPeriodicityAndOffset));
   set_monitoring_periodicity_offset(ss0,periodicity,offset);
   const uint32_t duration = type0_PDCCH_CSS_config->search_space_duration;
   if (duration==1)
     ss0->duration = NULL;
   else{
-    ss0->duration = calloc(1,sizeof(*ss0->duration));
+    if (!ss0->duration)
+      ss0->duration = calloc(1, sizeof(*ss0->duration));
     *ss0->duration = duration;
   }
 

openair2/LAYER2/NR_MAC_UE/config_ue.c

@@ -795,6 +795,22 @@ void ue_init_config_request(NR_UE_MAC_INST_t *mac, int scs)
     pthread_mutex_init(&(mac->ul_config_request[i].mutex_ul_config), NULL);
 }
 
+static void update_mib_conf(NR_MIB_t *target, NR_MIB_t *source)
+{
+  target->systemFrameNumber.size = source->systemFrameNumber.size;
+  target->systemFrameNumber.bits_unused = source->systemFrameNumber.bits_unused;
+  if (!target->systemFrameNumber.buf)
+    target->systemFrameNumber.buf = calloc(target->systemFrameNumber.size, sizeof(*target->systemFrameNumber.buf));
+  for (int i = 0; i < target->systemFrameNumber.size; i++)
+    target->systemFrameNumber.buf[i] = source->systemFrameNumber.buf[i];
+  target->subCarrierSpacingCommon = source->subCarrierSpacingCommon;
+  target->ssb_SubcarrierOffset = source->ssb_SubcarrierOffset;
+  target->dmrs_TypeA_Position = source->dmrs_TypeA_Position;
+  target->pdcch_ConfigSIB1 = source->pdcch_ConfigSIB1;
+  target->cellBarred = source->cellBarred;
+  target->intraFreqReselection = source->intraFreqReselection;
+}
+
 void nr_rrc_mac_config_req_mib(module_id_t module_id,
                                int cc_idP,
                                NR_MIB_t *mib,
@@ -802,16 +818,16 @@ void nr_rrc_mac_config_req_mib(module_id_t module_id,
 {
   NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
   AssertFatal(mib, "MIB should not be NULL\n");
-  // initialize dl and ul config_request upon first reception of MIB
-  mac->mib = mib;    //  update by every reception
+  if (!mac->mib)
+    mac->mib = calloc(1, sizeof(*mac->mib));
+  update_mib_conf(mac->mib, mib);
   mac->phy_config.Mod_id = module_id;
   mac->phy_config.CC_id = cc_idP;
   if (sched_sib == 1)
     mac->get_sib1 = true;
   else if (sched_sib == 2)
     mac->get_otherSI = true;
-  nr_ue_decode_mib(module_id,
-                   cc_idP);
+  nr_ue_decode_mib(module_id, cc_idP);
 }
 
 static void setup_puschpowercontrol(NR_PUSCH_PowerControl_t *source, NR_PUSCH_PowerControl_t *target)
@@ -1365,11 +1381,12 @@ void nr_rrc_mac_config_req_reset(module_id_t module_id,
 
   // Sending to PHY a request to resync
   // with no target cell ID
-  mac->synch_request.Mod_id = module_id;
-  mac->synch_request.CC_id = 0;
-  mac->synch_request.synch_req.target_Nid_cell = -1;
-  mac->if_module->synch_request(&mac->synch_request);
-
+  if (reset_cause != DETACH) {
+    mac->synch_request.Mod_id = module_id;
+    mac->synch_request.CC_id = 0;
+    mac->synch_request.synch_req.target_Nid_cell = -1;
+    mac->if_module->synch_request(&mac->synch_request);
+  }
 }
 
 void nr_rrc_mac_config_req_sib1(module_id_t module_id,

openair2/LAYER2/NR_MAC_UE/mac_defs.h

@@ -167,6 +167,7 @@ typedef enum {
 
 typedef enum {
   GO_TO_IDLE,
+  DETACH,
   RE_ESTABLISHMENT
 } NR_UE_MAC_reset_cause_t;
 

openair2/LAYER2/NR_MAC_UE/main_ue_nr.c

@@ -198,6 +198,7 @@ void release_mac_configuration(NR_UE_MAC_INST_t *mac)
   free(sc->nrofHARQ_ProcessesForPDSCH);
   free(sc->rateMatching_PUSCH);
   free(sc->xOverhead_PUSCH);
+  free(sc->maxMIMO_Layers_PDSCH);
   free(sc->maxMIMO_Layers_PUSCH);
   memset(&mac->sc_info, 0, sizeof(mac->sc_info));
 

openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c

@@ -263,7 +263,7 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac,
     case NR_RNTI_SP_CSI:
       break;
     case NR_RNTI_SI:
-      sps=14;
+      sps = 14;
       // for SPS=14 8 MSBs in positions 13 down to 6
       monitoringSymbolsWithinSlot = (ss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | (ss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps));
       rel15->rnti = SI_RNTI; // SI-RNTI - 3GPP TS 38.321 Table 7.1-1: RNTI values

openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c

@@ -2352,8 +2352,7 @@ bool get_downlink_ack(NR_UE_MAC_INST_t *mac, frame_t frame, int slot, PUCCH_sche
 bool trigger_periodic_scheduling_request(NR_UE_MAC_INST_t *mac, PUCCH_sched_t *pucch, frame_t frame, int slot)
 {
   NR_UE_UL_BWP_t *current_UL_BWP = mac->current_UL_BWP;
-  NR_PUCCH_Config_t *pucch_Config = current_UL_BWP->pucch_Config;
-  const int n_slots_frame = nr_slots_per_frame[current_UL_BWP->scs];
+  NR_PUCCH_Config_t *pucch_Config = current_UL_BWP ? current_UL_BWP->pucch_Config : NULL;
 
   if(!pucch_Config ||
      !pucch_Config->schedulingRequestResourceToAddModList ||
@@ -2366,6 +2365,7 @@ bool trigger_periodic_scheduling_request(NR_UE_MAC_INST_t *mac, PUCCH_sched_t *p
     int SR_period; int SR_offset;
 
     find_period_offset_SR(SchedulingRequestResourceConfig,&SR_period,&SR_offset);
+    const int n_slots_frame = nr_slots_per_frame[current_UL_BWP->scs];
     int sfn_sf = frame * n_slots_frame + slot;
 
     if ((sfn_sf - SR_offset) % SR_period == 0) {
@@ -2454,8 +2454,7 @@ int compute_csi_priority(NR_UE_MAC_INST_t *mac, NR_CSI_ReportConfig_t *csirep)
 int nr_get_csi_measurements(NR_UE_MAC_INST_t *mac, frame_t frame, int slot, PUCCH_sched_t *pucch)
 {
   NR_UE_UL_BWP_t *current_UL_BWP = mac->current_UL_BWP;
-  NR_BWP_Id_t bwp_id = current_UL_BWP->bwp_id;
-  NR_PUCCH_Config_t *pucch_Config = current_UL_BWP->pucch_Config;
+  NR_PUCCH_Config_t *pucch_Config = current_UL_BWP ? current_UL_BWP->pucch_Config : NULL;
   int num_csi = 0;
 
   if (mac->sc_info.csi_MeasConfig) {
@@ -2476,7 +2475,7 @@ int nr_get_csi_measurements(NR_UE_MAC_INST_t *mac, frame_t frame, int slot, PUCC
           for (int i = 0; i < csirep->reportConfigType.choice.periodic->pucch_CSI_ResourceList.list.count; i++) {
             const NR_PUCCH_CSI_Resource_t *pucchcsires =
                 csirep->reportConfigType.choice.periodic->pucch_CSI_ResourceList.list.array[i];
-            if (pucchcsires->uplinkBandwidthPartId == bwp_id) {
+            if (pucchcsires->uplinkBandwidthPartId == current_UL_BWP->bwp_id) {
               csi_res_id = pucchcsires->pucch_Resource;
               break;
             }

openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c

@@ -885,7 +885,7 @@ bool nr_ue_periodic_srs_scheduling(module_id_t mod_id, frame_t frame, slot_t slo
   NR_UE_MAC_INST_t *mac = get_mac_inst(mod_id);
   NR_UE_UL_BWP_t *current_UL_BWP = mac->current_UL_BWP;
 
-  NR_SRS_Config_t *srs_config = current_UL_BWP->srs_Config;
+  NR_SRS_Config_t *srs_config = current_UL_BWP ? current_UL_BWP->srs_Config : NULL;
 
   if (!srs_config) {
     return false;

openair2/RRC/NR/MESSAGES/asn1_msg.c

@@ -877,55 +877,57 @@ uint8_t do_NR_RRCReconfigurationComplete(uint8_t *buffer, size_t buffer_size, co
   return((enc_rval.encoded+7)/8);
 }
 
-uint8_t do_RRCSetupComplete(uint8_t Mod_id, uint8_t *buffer, size_t buffer_size,
-                            const uint8_t Transaction_id, uint8_t sel_plmn_id, const int dedicatedInfoNASLength, const char *dedicatedInfoNAS){
-  asn_enc_rval_t enc_rval;
-  
-  NR_UL_DCCH_Message_t  ul_dcch_msg;
-  NR_RRCSetupComplete_t *RrcSetupComplete;
-  memset((void *)&ul_dcch_msg,0,sizeof(NR_UL_DCCH_Message_t));
-
-  uint8_t buf[6];
+uint8_t do_RRCSetupComplete(uint8_t Mod_id,
+                            uint8_t *buffer,
+                            size_t buffer_size,
+                            const uint8_t Transaction_id,
+                            uint8_t sel_plmn_id,
+                            const int dedicatedInfoNASLength,
+                            const char *dedicatedInfoNAS)
+{
+  NR_UL_DCCH_Message_t ul_dcch_msg = {0};
 
   ul_dcch_msg.message.present = NR_UL_DCCH_MessageType_PR_c1;
   ul_dcch_msg.message.choice.c1 = CALLOC(1,sizeof(struct NR_UL_DCCH_MessageType__c1));
   ul_dcch_msg.message.choice.c1->present = NR_UL_DCCH_MessageType__c1_PR_rrcSetupComplete;
   ul_dcch_msg.message.choice.c1->choice.rrcSetupComplete = CALLOC(1, sizeof(NR_RRCSetupComplete_t));
-  RrcSetupComplete                       = ul_dcch_msg.message.choice.c1->choice.rrcSetupComplete;
-  RrcSetupComplete->rrc_TransactionIdentifier    = Transaction_id;
-  RrcSetupComplete->criticalExtensions.present   = NR_RRCSetupComplete__criticalExtensions_PR_rrcSetupComplete;
+  NR_RRCSetupComplete_t *RrcSetupComplete = ul_dcch_msg.message.choice.c1->choice.rrcSetupComplete;
+  RrcSetupComplete->rrc_TransactionIdentifier = Transaction_id;
+  RrcSetupComplete->criticalExtensions.present = NR_RRCSetupComplete__criticalExtensions_PR_rrcSetupComplete;
   RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete = CALLOC(1, sizeof(NR_RRCSetupComplete_IEs_t));
-  // RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->nonCriticalExtension = CALLOC(1,
-  //   sizeof(*RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->nonCriticalExtension));
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->selectedPLMN_Identity = sel_plmn_id;
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->registeredAMF = NULL;
-
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value = CALLOC(1, sizeof(struct NR_RRCSetupComplete_IEs__ng_5G_S_TMSI_Value));
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->present = NR_RRCSetupComplete_IEs__ng_5G_S_TMSI_Value_PR_ng_5G_S_TMSI;
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.size = 6;
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.buf = buf;
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.buf[0] = 0x12;
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.buf[1] = 0x34;
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.buf[2] = 0x56;
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.buf[3] = 0x78;
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.buf[4] = 0x9A;
-  RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.buf[5] = 0xBC;
-
-  memset(&RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->dedicatedNAS_Message,0,sizeof(OCTET_STRING_t));
-  OCTET_STRING_fromBuf(&RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->dedicatedNAS_Message,dedicatedInfoNAS,dedicatedInfoNASLength);
+  NR_RRCSetupComplete_IEs_t *ies = RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete;
+  ies->selectedPLMN_Identity = sel_plmn_id;
+  ies->registeredAMF = NULL;
+
+  ies->ng_5G_S_TMSI_Value = CALLOC(1, sizeof(struct NR_RRCSetupComplete_IEs__ng_5G_S_TMSI_Value));
+  ies->ng_5G_S_TMSI_Value->present = NR_RRCSetupComplete_IEs__ng_5G_S_TMSI_Value_PR_ng_5G_S_TMSI;
+  NR_NG_5G_S_TMSI_t *stmsi = &ies->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI;
+  stmsi->size = 6;
+  stmsi->buf = calloc(stmsi->size, sizeof(*stmsi->buf));
+  AssertFatal(stmsi->buf != NULL, "out of memory\n");
+  stmsi->buf[0] = 0x12;
+  stmsi->buf[1] = 0x34;
+  stmsi->buf[2] = 0x56;
+  stmsi->buf[3] = 0x78;
+  stmsi->buf[4] = 0x9A;
+  stmsi->buf[5] = 0xBC;
+
+  memset(&ies->dedicatedNAS_Message,0,sizeof(OCTET_STRING_t));
+  OCTET_STRING_fromBuf(&ies->dedicatedNAS_Message, dedicatedInfoNAS, dedicatedInfoNASLength);
   if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
     xer_fprint(stdout, &asn_DEF_NR_UL_DCCH_Message, (void *)&ul_dcch_msg);
   }
 
-  enc_rval = uper_encode_to_buffer(&asn_DEF_NR_UL_DCCH_Message,
-                                   NULL,
-                                   (void *)&ul_dcch_msg,
-                                   buffer,
-                                   buffer_size);
+  asn_enc_rval_t enc_rval = uper_encode_to_buffer(&asn_DEF_NR_UL_DCCH_Message,
+                                                  NULL,
+                                                  (void *)&ul_dcch_msg,
+                                                  buffer,
+                                                  buffer_size);
   AssertFatal(enc_rval.encoded > 0,"ASN1 message encoding failed (%s, %lu)!\n",
               enc_rval.failed_type->name,enc_rval.encoded);
   LOG_D(NR_RRC,"RRCSetupComplete Encoded %zd bits (%zd bytes)\n",enc_rval.encoded,(enc_rval.encoded+7)/8);
 
+  ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_NR_UL_DCCH_Message, &ul_dcch_msg);
   return((enc_rval.encoded+7)/8);
 }
 

openair2/RRC/NR_UE/rrc_UE.c

@@ -229,12 +229,8 @@ static void nr_rrc_ue_process_rrcReconfiguration(const instance_t instance,
       }
       if (ie->measConfig != NULL) {
         LOG_I(NR_RRC, "Measurement Configuration is present\n");
-        if (rrc->meas_config == NULL) {
-          rrc->meas_config = ie->measConfig;
-        } else {
-          //  if some element need to be updated
-          nr_rrc_ue_process_measConfig(rrcNB, ie->measConfig);
-        }
+        //  if some element need to be updated
+        nr_rrc_ue_process_measConfig(rrcNB, ie->measConfig);
       }
       if (ie->lateNonCriticalExtension != NULL) {
         //  unuse now
@@ -447,13 +443,14 @@ static void nr_rrc_ue_decode_NR_BCCH_BCH_Message(const instance_t instance,
   }
 
   int get_sib = 0;
-  if (get_softmodem_params()->sa && bcch_message->message.choice.mib->cellBarred == NR_MIB__cellBarred_notBarred) {
+  if (get_softmodem_params()->sa &&
+      bcch_message->message.choice.mib->cellBarred == NR_MIB__cellBarred_notBarred &&
+      NR_UE_rrc_inst[instance].nrRrcState != RRC_STATE_DETACH_NR) {
     NR_UE_RRC_SI_INFO *SI_info = &NR_UE_rrc_inst[instance].perNB[gNB_index].SInfo;
     // to schedule MAC to get SI if required
     get_sib = check_si_status(SI_info);
   }
   nr_rrc_mac_config_req_mib(instance, 0, bcch_message->message.choice.mib, get_sib);
-  bcch_message->message.choice.mib = NULL;
   ASN_STRUCT_FREE(asn_DEF_NR_BCCH_BCH_Message, bcch_message);
   return;
 }
@@ -809,10 +806,6 @@ void nr_rrc_cellgroup_configuration(rrcPerNB_t *rrcNB,
     }
   }
 
-  if(cellGroupConfig->mac_CellGroupConfig != NULL) {
-    // TODO handle MAC CellGroupConfig
-  }
-
   // TODO verify why we need this limitation
   if (get_softmodem_params()->sa || get_softmodem_params()->nsa)
     nr_rrc_manage_rlc_bearers(instance, cellGroupConfig, rrcNB, rrc->rnti);
@@ -843,9 +836,7 @@ static void nr_rrc_ue_process_masterCellGroup(instance_t instance,
     xer_fprint(stdout, &asn_DEF_NR_CellGroupConfig, (const void *) cellGroupConfig);
   }
 
-  nr_rrc_cellgroup_configuration(rrcNB,
-                                 instance,
-                                 cellGroupConfig);
+  nr_rrc_cellgroup_configuration(rrcNB, instance, cellGroupConfig);
 
   LOG_D(RRC,"Sending CellGroupConfig to MAC\n");
   nr_rrc_mac_config_req_cg(instance, 0, cellGroupConfig);
@@ -884,7 +875,7 @@ static int8_t nr_rrc_ue_decode_ccch(const instance_t instance,
 {
   NR_UE_RRC_INST_t *rrc = &NR_UE_rrc_inst[instance];
 
-  NR_DL_CCCH_Message_t *dl_ccch_msg=NULL;
+  NR_DL_CCCH_Message_t *dl_ccch_msg = NULL;
   asn_dec_rval_t dec_rval;
   int rval=0;
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_CCCH, VCD_FUNCTION_IN);
@@ -920,22 +911,21 @@ static int8_t nr_rrc_ue_decode_ccch(const instance_t instance,
          // Release T300 timer
          rrc->timers_and_constants.T300_active = 0;
          rrc->rnti = rnti;
-         nr_rrc_ue_process_masterCellGroup(
-             instance,
-             rnti,
-             rrc->perNB + gNB_index,
-             &dl_ccch_msg->message.choice.c1->choice.rrcSetup->criticalExtensions.choice.rrcSetup->masterCellGroup,
-             NULL);
-         nr_rrc_ue_process_RadioBearerConfig(
-             rrc,
-             rnti,
-             rrc->perNB + gNB_index,
-             &dl_ccch_msg->message.choice.c1->choice.rrcSetup->criticalExtensions.choice.rrcSetup->radioBearerConfig);
+         NR_RRCSetup_t *rrcSetup = dl_ccch_msg->message.choice.c1->choice.rrcSetup;
+         nr_rrc_ue_process_masterCellGroup(instance,
+                                           rnti,
+                                           rrc->perNB + gNB_index,
+                                           &rrcSetup->criticalExtensions.choice.rrcSetup->masterCellGroup,
+                                           NULL);
+         nr_rrc_ue_process_RadioBearerConfig(rrc,
+                                             rnti,
+                                             rrc->perNB + gNB_index,
+                                             &rrcSetup->criticalExtensions.choice.rrcSetup->radioBearerConfig);
          rrc->nrRrcState = RRC_STATE_CONNECTED_NR;
 
          rrc_ue_generate_RRCSetupComplete(instance,
                                           rnti,
-                                          dl_ccch_msg->message.choice.c1->choice.rrcSetup->rrc_TransactionIdentifier,
+                                          rrcSetup->rrc_TransactionIdentifier,
                                           rrc->selected_plmn_identity);
          rval = 0;
          break;
@@ -947,6 +937,7 @@ static int8_t nr_rrc_ue_decode_ccch(const instance_t instance,
      }
    }
 
+   ASN_STRUCT_FREE(asn_DEF_NR_DL_CCCH_Message, dl_ccch_msg);
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_CCCH, VCD_FUNCTION_OUT);
    return rval;
 }
@@ -1418,24 +1409,24 @@ void *rrc_nrue(void *notUsed)
   itti_receive_msg(TASK_RRC_NRUE, &msg_p);
   instance_t instance = ITTI_MSG_DESTINATION_INSTANCE(msg_p);
   NR_UE_RRC_INST_t *rrc = &NR_UE_rrc_inst[instance];
-  
+
   LOG_D(NR_RRC, "[UE %ld] Received %s\n", instance, ITTI_MSG_NAME(msg_p));
-  
+
   switch (ITTI_MSG_ID(msg_p)) {
   case TERMINATE_MESSAGE:
     LOG_W(NR_RRC, " *** Exiting RRC thread\n");
     itti_exit_task();
     break;
-    
+
   case MESSAGE_TEST:
     break;
-    
+
   case NR_RRC_MAC_SYNC_IND: {
     nr_sync_msg_t sync_msg = NR_RRC_MAC_SYNC_IND(msg_p).in_sync ? IN_SYNC : OUT_OF_SYNC;
     NR_UE_Timers_Constants_t *tac = &rrc->timers_and_constants;
     handle_rlf_sync(tac, sync_msg);
   } break;
-    
+
   case NRRRC_FRAME_PROCESS:
     LOG_D(NR_RRC, "Received %s: frame %d\n", ITTI_MSG_NAME(msg_p), NRRRC_FRAME_PROCESS(msg_p).frame);
     // increase the timers every 10ms (every new frame)
@@ -1444,11 +1435,11 @@ void *rrc_nrue(void *notUsed)
     NR_UE_RRC_SI_INFO *SInfo = &NR_UE_rrc_inst[instance].perNB[NRRRC_FRAME_PROCESS(msg_p).gnb_id].SInfo;
     nr_rrc_SI_timers(SInfo);
     break;
-    
+
   case NR_RRC_MAC_MSG3_IND:
     nr_rrc_ue_generate_ra_msg(instance, INITIAL_ACCESS_FROM_RRC_IDLE, NR_RRC_MAC_MSG3_IND(msg_p).rnti);
     break;
-    
+
   case NR_RRC_MAC_RA_IND:
     LOG_D(NR_RRC,
 	  "[UE %ld] Received %s: frame %d RA %s\n",
@@ -1458,7 +1449,7 @@ void *rrc_nrue(void *notUsed)
 	  NR_RRC_MAC_RA_IND(msg_p).RA_succeeded ? "successful" : "failed");
     nr_rrc_handle_ra_indication(rrc, NR_RRC_MAC_RA_IND(msg_p).RA_succeeded);
     break;
-    
+
   case NR_RRC_MAC_BCCH_DATA_IND:
     LOG_D(NR_RRC, "[UE %ld] Received %s: gNB %d\n", instance, ITTI_MSG_NAME(msg_p), NR_RRC_MAC_BCCH_DATA_IND(msg_p).gnb_index);
     NRRrcMacBcchDataInd *bcch = &NR_RRC_MAC_BCCH_DATA_IND(msg_p);
@@ -1467,13 +1458,12 @@ void *rrc_nrue(void *notUsed)
     else
       nr_rrc_ue_decode_NR_BCCH_DL_SCH_Message(instance, bcch->gnb_index, bcch->sdu, bcch->sdu_size, bcch->rsrq, bcch->rsrp);
     break;
-    
+
   case NR_RRC_MAC_CCCH_DATA_IND: {
     NRRrcMacCcchDataInd *ind = &NR_RRC_MAC_CCCH_DATA_IND(msg_p);
     nr_rrc_ue_decode_ccch(instance, ind->rnti, ind, 0);
   } break;
-    
-    /* PDCP messages */
+
   case NR_RRC_DCCH_DATA_IND:
     nr_rrc_ue_decode_dcch(instance,
 			  NR_RRC_DCCH_DATA_IND(msg_p).rnti,
@@ -1482,11 +1472,19 @@ void *rrc_nrue(void *notUsed)
 			  NR_RRC_DCCH_DATA_IND(msg_p).sdu_size,
 			  NR_RRC_DCCH_DATA_IND(msg_p).gNB_index);
     break;
-    
+
   case NAS_KENB_REFRESH_REQ:
     memcpy(rrc->kgnb, NAS_KENB_REFRESH_REQ(msg_p).kenb, sizeof(rrc->kgnb));
     break;
-    
+
+  case NAS_DETACH_REQ:
+    if (!NAS_DETACH_REQ(msg_p).wait_release) {
+      rrc->nrRrcState = RRC_STATE_DETACH_NR;
+      NR_Release_Cause_t release_cause = OTHER;
+      nr_rrc_going_to_IDLE(instance, release_cause, NULL);
+    }
+    break;
+
   case NAS_UPLINK_DATA_REQ: {
     uint32_t length;
     uint8_t *buffer;
@@ -1500,7 +1498,7 @@ void *rrc_nrue(void *notUsed)
     nr_pdcp_data_req_srb(rrc->rnti, srb_id, 0, length, buffer, deliver_pdu_srb_rlc, NULL);
     break;
   }
-    
+
   default:
     LOG_E(NR_RRC, "[UE %ld] Received unexpected message %s\n", instance, ITTI_MSG_NAME(msg_p));
     break;
@@ -1915,9 +1913,6 @@ void nr_rrc_going_to_IDLE(instance_t instance,
     }
   }
 
-  asn1cFreeStruc(asn_DEF_NR_MeasConfig, rrc->meas_config);
-  rrc->meas_config = NULL;
-
   for (int i = 0; i < NB_CNX_UE; i++) {
     rrcPerNB_t *nb = &rrc->perNB[i];
     NR_UE_RRC_SI_INFO *SI_info = &nb->SInfo;
@@ -1938,11 +1933,14 @@ void nr_rrc_going_to_IDLE(instance_t instance,
   }
 
   // reset MAC
-  NR_UE_MAC_reset_cause_t cause = GO_TO_IDLE;
+  NR_UE_MAC_reset_cause_t cause = (rrc->nrRrcState == RRC_STATE_DETACH_NR) ? DETACH : GO_TO_IDLE;
   nr_rrc_mac_config_req_reset(instance, cause);
 
   // enter RRC_IDLE
-  rrc->nrRrcState = RRC_STATE_IDLE_NR;
+  LOG_I(NR_RRC, "RRC moved into IDLE state\n");
+  if (rrc->nrRrcState != RRC_STATE_DETACH_NR)
+    rrc->nrRrcState = RRC_STATE_IDLE_NR;
+
   rrc->rnti = 0;
 
   // Indicate the release of the RRC connection to upper layers

openair2/RRC/NR_UE/rrc_defs.h

@@ -83,7 +83,7 @@ typedef enum Rrc_State_NR_e {
   RRC_STATE_IDLE_NR = 0,
   RRC_STATE_INACTIVE_NR,
   RRC_STATE_CONNECTED_NR,
-
+  RRC_STATE_DETACH_NR,
   RRC_STATE_FIRST_NR = RRC_STATE_IDLE_NR,
   RRC_STATE_LAST_NR = RRC_STATE_CONNECTED_NR,
 } Rrc_State_NR_t;
@@ -206,8 +206,6 @@ typedef struct rrcPerNB {
 } rrcPerNB_t;
 
 typedef struct NR_UE_RRC_INST_s {
-  NR_MeasConfig_t        *meas_config;
-
   rrcPerNB_t perNB[NB_CNX_UE];
 
   char                           *uecap_file;

openair3/NAS/NR_UE/nr_nas_msg_sim.c

@@ -911,6 +911,14 @@ static void send_nas_uplink_data_req(instance_t instance, const as_nas_info_t *i
   itti_send_msg_to_task(TASK_RRC_NRUE, instance, msg);
 }
 
+static void send_nas_detach_req(instance_t instance, bool wait_release)
+{
+  MessageDef *msg = itti_alloc_new_message(TASK_NAS_NRUE, 0, NAS_DETACH_REQ);
+  nas_detach_req_t *req = &NAS_DETACH_REQ(msg);
+  req->wait_release = wait_release;
+  itti_send_msg_to_task(TASK_RRC_NRUE, instance, msg);
+}
+
 static void parse_allowed_nssai(nr_nas_msg_snssai_t nssaiList[8], const uint8_t *buf, const uint32_t len)
 {
   int nssai_cnt = 0;
@@ -1165,15 +1173,19 @@ void *nas_nrue(void *args_p)
       case NAS_DEREGISTRATION_REQ: {
         LOG_I(NAS, "[UE %ld] Received %s\n", instance, ITTI_MSG_NAME(msg_p));
         nr_ue_nas_t *nas = get_ue_nas_info(0);
+        nas_deregistration_req_t *req = &NAS_DEREGISTRATION_REQ(msg_p);
         if (nas->guti) {
-          nas_deregistration_req_t *req = &NAS_DEREGISTRATION_REQ(msg_p);
-          if (req->cause == AS_DETACH)
+          if (req->cause == AS_DETACH) {
             nas->termination_procedure = true;
+            send_nas_detach_req(instance, true);
+          }
           as_nas_info_t initialNasMsg = {0};
           generateDeregistrationRequest(nas, &initialNasMsg, req);
           send_nas_uplink_data_req(instance, &initialNasMsg);
         } else {
-          LOG_E(NAS, "no GUTI, cannot trigger deregistration request\n");
+          LOG_W(NAS, "No GUTI, cannot trigger deregistration request.\n");
+          if (req->cause == AS_DETACH)
+            send_nas_detach_req(instance, false);
         }
       } break;