Merge remote-tracking branch 'origin/develop' into NR_FR2_RA

ci-scripts/cls_oaicitest.py

@@ -185,7 +185,7 @@ class OaiCiTest():
 		SSH.command('mkdir -p log', '\$', 5)
 		SSH.command('chmod 777 log', '\$', 5)
 		# no need to remove in log (git clean did the trick)
-		SSH.command('stdbuf -o0 ./build_oai ' + self.Build_OAI_UE_args + ' 2>&1 | stdbuf -o0 tee compile_oai_ue.log', 'Bypassing the Tests|build have failed', 900)
+		SSH.command('stdbuf -o0 ./build_oai ' + self.Build_OAI_UE_args + ' 2>&1 | stdbuf -o0 tee compile_oai_ue.log', 'Bypassing the Tests|build have failed', 1200)
 		SSH.command('ls ran_build/build', '\$', 3)
 		SSH.command('ls ran_build/build', '\$', 3)
 		buildStatus = True

ci-scripts/xml_files/enb_ue_usrp210_band7_ue_build.xml

@@ -32,7 +32,7 @@
 	<testCase id="090101">
 		<class>Build_OAI_UE</class>
 		<desc>Build OAI UE</desc>
-		<Build_OAI_UE_args>-w USRP --UE</Build_OAI_UE_args>
+		<Build_OAI_UE_args>-w USRP --UE --ninja</Build_OAI_UE_args>
 	</testCase>
 
 </testCaseList>

ci-scripts/xml_files/ue_band20_build.xml

@@ -32,7 +32,7 @@
 	<testCase id="090101">
 		<class>Build_OAI_UE</class>
 		<desc>Build OAI UE</desc>
-		<Build_OAI_UE_args>-w USRP --UE</Build_OAI_UE_args>
+		<Build_OAI_UE_args>-w USRP --UE --ninja</Build_OAI_UE_args>
 	</testCase>
 
 </testCaseList>

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -239,7 +239,7 @@ void nr_postDecode(PHY_VARS_gNB *gNB, notifiedFIFO_elt_t *req) {
   if (decodeSuccess) {
     memcpy(ulsch_harq->b+rdata->offset,
            ulsch_harq->c[r],
-           rdata->Kr_bytes- - (ulsch_harq->F>>3) -((ulsch_harq->C>1)?3:0));
+           rdata->Kr_bytes - (ulsch_harq->F>>3) -((ulsch_harq->C>1)?3:0));
 
   } else {
     if ( rdata->nbSegments != ulsch_harq->processedSegments ) {

openair1/SIMULATION/NR_PHY/ulschsim.c

@@ -81,7 +81,7 @@ int nr_postDecode_sim(PHY_VARS_gNB *gNB, notifiedFIFO_elt_t *req) {
   if (decodeSuccess) {
     memcpy(ulsch_harq->b+rdata->offset,
            ulsch_harq->c[r],
-           rdata->Kr_bytes- - (ulsch_harq->F>>3) -((ulsch_harq->C>1)?3:0));
+           rdata->Kr_bytes - (ulsch_harq->F>>3) -((ulsch_harq->C>1)?3:0));
   } else {
     if ( rdata->nbSegments != ulsch_harq->processedSegments ) {
       int nb=abortTpool(gNB->threadPool, req->key);

openair2/COMMON/x2ap_messages_types.h

@@ -122,6 +122,8 @@ typedef struct x2ap_register_enb_req_s {
    * CC Params
    */
   int16_t                 eutra_band[MAX_NUM_CCs];
+  int32_t                 nr_band[MAX_NUM_CCs];
+  int32_t                 nrARFCN[MAX_NUM_CCs];
   uint32_t                downlink_frequency[MAX_NUM_CCs];
   int32_t                 uplink_frequency_offset[MAX_NUM_CCs];
   uint32_t                Nid_cell[MAX_NUM_CCs];

openair2/GNB_APP/gnb_config.c

@@ -34,6 +34,7 @@
 #include "common/utils/LOG/log_extern.h"
 #include "assertions.h"
 #include "gnb_config.h"
+#include "gnb_paramdef.h"
 #include "UTIL/OTG/otg.h"
 #include "UTIL/OTG/otg_externs.h"
 #include "intertask_interface.h"
@@ -1031,27 +1032,32 @@ void NRRCConfig(void) {
 
 }
 
+
 int RCconfig_NR_X2(MessageDef *msg_p, uint32_t i) {
   int   J, l;
   char *address = NULL;
   char *cidr    = NULL;
-
   //int                    num_gnbs                                                      = 0;
   //int                    num_component_carriers                                        = 0;
   int                    j,k                                                           = 0;
   int32_t                gnb_id                                                        = 0;
 
   paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
+  ////////// Identification parameters
   paramdef_t GNBParams[]  = GNBPARAMS_DESC;
   paramlist_def_t GNBParamList = {GNB_CONFIG_STRING_GNB_LIST,NULL,0};
   /* get global parameters, defined outside any section in the config file */
   config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL);
-
-  //paramlist_def_t SCCsParamList = {GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, NULL, 0};
+  NR_ServingCellConfigCommon_t *scc = calloc(1,sizeof(NR_ServingCellConfigCommon_t));
+  uint64_t ssb_bitmap=0xff;
+  memset((void*)scc,0,sizeof(NR_ServingCellConfigCommon_t));
+  prepare_scc(scc);
+  paramdef_t SCCsParams[] = SCCPARAMS_DESC(scc);
+  paramlist_def_t SCCsParamList = {GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, NULL, 0};
 
   AssertFatal(i < GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt,
               "Failed to parse config file %s, %uth attribute %s \n",
-              RC.config_file_name, i, ENB_CONFIG_STRING_ACTIVE_ENBS);
+              RC.config_file_name, i, GNB_CONFIG_STRING_ACTIVE_GNBS);
 
   if (GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt > 0) {
     // Output a list of all gNBs.
@@ -1121,19 +1127,28 @@ int RCconfig_NR_X2(MessageDef *msg_p, uint32_t i) {
                         "MNC %d cannot be encoded in two digits as requested (change mnc_digit_length to 3)\n",
                         X2AP_REGISTER_ENB_REQ(msg_p).mnc);
 
-            X2AP_REGISTER_ENB_REQ (msg_p).num_cc = 1;
-            J = 0;
-            X2AP_REGISTER_ENB_REQ (msg_p).eutra_band[J] = 78; //ccparams_nr_x2.nr_band; //78
-            X2AP_REGISTER_ENB_REQ (msg_p).downlink_frequency[J] = 3600000000; //ccparams_nr_x2.downlink_frequency; //3600000000
-            X2AP_REGISTER_ENB_REQ (msg_p).uplink_frequency_offset[J] = 0; //(unsigned int) ccparams_nr_x2.uplink_frequency_offset; //0
-            X2AP_REGISTER_ENB_REQ (msg_p).Nid_cell[J]= 0; //ccparams_nr_x2.Nid_cell; //0
-            X2AP_REGISTER_ENB_REQ (msg_p).N_RB_DL[J]= 106; //ccparams_nr_x2.N_RB_DL; //106
+            sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);
 
+            config_getlist(&SCCsParamList, NULL, 0, aprefix);
+            if (SCCsParamList.numelt > 0) {
+              sprintf(aprefix, "%s.[%i].%s.[%i]", GNB_CONFIG_STRING_GNB_LIST,0,GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, 0);
+              config_get( SCCsParams,sizeof(SCCsParams)/sizeof(paramdef_t),aprefix);
+              fix_scc(scc,ssb_bitmap);
+            }
+            X2AP_REGISTER_ENB_REQ (msg_p).num_cc = SCCsParamList.numelt;
+            for (J = 0; J < SCCsParamList.numelt ; J++) {
+              X2AP_REGISTER_ENB_REQ (msg_p).nr_band[J] = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0]; //nr_band; //78
+              X2AP_REGISTER_ENB_REQ (msg_p).nrARFCN[J] = scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA;
+              X2AP_REGISTER_ENB_REQ (msg_p).uplink_frequency_offset[J] = scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier; //0
+              X2AP_REGISTER_ENB_REQ (msg_p).Nid_cell[J]= *scc->physCellId; //0
+              X2AP_REGISTER_ENB_REQ (msg_p).N_RB_DL[J]=  scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;//106
               X2AP_REGISTER_ENB_REQ (msg_p).frame_type[J] = TDD;
-
-            //Temp out
-            /*X2AP_REGISTER_ENB_REQ (msg_p).fdd_earfcn_DL[J] = to_earfcn_DL(ccparams_lte.eutra_band, ccparams_lte.downlink_frequency, ccparams_lte.N_RB_DL);
-              X2AP_REGISTER_ENB_REQ (msg_p).fdd_earfcn_UL[J] = to_earfcn_UL(ccparams_lte.eutra_band, ccparams_lte.downlink_frequency + ccparams_lte.uplink_frequency_offset, ccparams_lte.N_RB_DL);*/
+              LOG_I(X2AP, "gNB configuration parameters: nr_band: %d, nr_ARFCN: %d, DL_RBs: %d, num_cc: %d \n",
+                  X2AP_REGISTER_ENB_REQ (msg_p).nr_band[J],
+                  X2AP_REGISTER_ENB_REQ (msg_p).nrARFCN[J],
+                  X2AP_REGISTER_ENB_REQ (msg_p).N_RB_DL[J],
+                  X2AP_REGISTER_ENB_REQ (msg_p).num_cc);
+            }
 
             sprintf(aprefix,"%s.[%i]",GNB_CONFIG_STRING_GNB_LIST,k);
             config_getlist( &X2ParamList,X2Params,sizeof(X2Params)/sizeof(paramdef_t),aprefix);
@@ -1222,4 +1237,3 @@ int RCconfig_NR_X2(MessageDef *msg_p, uint32_t i) {
   return 0;
 }
 
-

openair2/GNB_APP/gnb_paramdef.h

@@ -118,30 +118,6 @@ typedef enum {
 #define GNB_CONFIG_STRING_PUSCHTARGETPOWX10             "pusch_TargetSNRx10"
 #define GNB_CONFIG_STRING_PUCCHTARGETPOWX10             "pucch_TargetSNRx10"
 
-
-typedef struct ccparams_nr_x2 {
-  char             *frame_type;
-  int32_t           tdd_config;
-  int32_t           tdd_config_s;
-  int32_t           nr_band;
-  long long int     downlink_frequency;
-  int32_t           uplink_frequency_offset;
-  int32_t           Nid_cell;
-  int32_t           N_RB_DL;
-  } ccparams_nr_x2_t;
-
-
-#define CCPARAMS_NR_X2_DESC(ccparams) {         \
-    {ENB_CONFIG_STRING_FRAME_TYPE,                                   NULL,   0,           strptr:&ccparams.frame_type,                             defstrval:"TDD",           TYPE_STRING,     0},  \
-    {ENB_CONFIG_STRING_TDD_CONFIG,                                   NULL,   0,           iptr:&ccparams.tdd_config,                               defintval:3,               TYPE_UINT,       0},  \
-    {ENB_CONFIG_STRING_TDD_CONFIG_S,                                 NULL,   0,           iptr:&ccparams.tdd_config_s,                             defintval:0,               TYPE_UINT,       0},  \
-    {ENB_CONFIG_STRING_EUTRA_BAND,                                   NULL,   0,           iptr:&ccparams.nr_band,                               defintval:78,               TYPE_UINT,       0},  \
-    {ENB_CONFIG_STRING_DOWNLINK_FREQUENCY,                           NULL,   0,           i64ptr:(int64_t *)&ccparams.downlink_frequency,          defint64val:3600000000,    TYPE_UINT64,     0},  \
-    {ENB_CONFIG_STRING_UPLINK_FREQUENCY_OFFSET,                      NULL,   0,           iptr:&ccparams.uplink_frequency_offset,                  defintval:0,      TYPE_INT,        0},  \
-    {ENB_CONFIG_STRING_NID_CELL,                                     NULL,   0,           iptr:&ccparams.Nid_cell,                                 defintval:0,               TYPE_UINT,       0},  \
-    {ENB_CONFIG_STRING_N_RB_DL,                                      NULL,   0,           iptr:&ccparams.N_RB_DL,                                  defintval:106,              TYPE_UINT,       0}  \
-}
-
 /*-----------------------------------------------------------------------------------------------------------------------------------------*/
 /*                                            cell configuration parameters                                                                */
 /*   optname                                   helpstr   paramflags    XXXptr        defXXXval                   type           numelt     */

openair2/LAYER2/MAC/eNB_scheduler.c

@@ -914,7 +914,9 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP,
 
 #if (!defined(PRE_SCD_THREAD))
   if (!NODE_IS_DU(RC.rrc[module_idP]->node_type)) {
+    void rlc_tick(int, int);
     PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_idP, ENB_FLAG_YES, NOT_A_RNTI, frameP, subframeP, module_idP);
+    rlc_tick(frameP, subframeP);
     pdcp_run(&ctxt);
     pdcp_mbms_run(&ctxt);
     rrc_rx_tx(&ctxt, CC_id);

openair2/LAYER2/MAC/ue_procedures.c

@@ -3099,6 +3099,9 @@ ue_scheduler(const module_id_t module_idP,
     }
   }
 
+  void rlc_tick(int, int);
+  rlc_tick(rxFrameP % 1024, rxSubframeP);
+
   //#endif
   UE_mac_inst[module_idP].txFrame = txFrameP;
   UE_mac_inst[module_idP].txSubframe = txSubframeP;

openair2/LAYER2/nr_pdcp/nr_pdcp_entity_drb_am.c

@@ -40,7 +40,7 @@ void nr_pdcp_entity_drb_am_recv_sdu(nr_pdcp_entity_t *_entity, char *buffer, int
 {
   nr_pdcp_entity_drb_am_t *entity = (nr_pdcp_entity_drb_am_t *)_entity;
   int sn;
-  char buf[size+2];
+  char buf[size+3];
 
   sn = entity->common.next_nr_pdcp_tx_sn;
 

openair2/LAYER2/nr_rlc/nr_rlc_oai_api.c

@@ -923,3 +923,13 @@ void nr_rlc_tick(int frame, int subframe)
     nr_rlc_current_time++;
   }
 }
+
+/* This is a hack, to compile the gNB.
+ * TODO: remove it. The solution is to cleanup cmake_targets/CMakeLists.txt
+ */
+void rlc_tick(int a, int b)
+{
+  LOG_E(RLC, "%s:%d:%s: this code should not be reached\n",
+        __FILE__, __LINE__, __FUNCTION__);
+  exit(1);
+}

openair2/LAYER2/rlc_v2/rlc_oai_api.c

@@ -177,14 +177,6 @@ mac_rlc_status_resp_t mac_rlc_status_ind(
   mac_rlc_status_resp_t ret;
   rlc_entity_t *rb;
 
-  /* TODO: handle time a bit more properly */
-  if (rlc_current_time_last_frame != frameP ||
-      rlc_current_time_last_subframe != subframeP) {
-    rlc_current_time++;
-    rlc_current_time_last_frame = frameP;
-    rlc_current_time_last_subframe = subframeP;
-  }
-
   rlc_manager_lock(rlc_ue_manager);
   ue = rlc_manager_get_ue(rlc_ue_manager, rntiP);
 
@@ -244,14 +236,6 @@ rlc_buffer_occupancy_t mac_rlc_get_buffer_occupancy_ind(
     exit(1);
   }
 
-  /* TODO: handle time a bit more properly */
-  if (rlc_current_time_last_frame != frameP ||
-      rlc_current_time_last_subframe != subframeP) {
-    rlc_current_time++;
-    rlc_current_time_last_frame = frameP;
-    rlc_current_time_last_subframe = subframeP;
-  }
-
   rlc_manager_lock(rlc_ue_manager);
   ue = rlc_manager_get_ue(rlc_ue_manager, rntiP);
 
@@ -1028,3 +1012,27 @@ rlc_op_status_t rrc_rlc_remove_ue (const protocol_ctxt_t* const x)
 
   return RLC_OP_STATUS_OK;
 }
+
+void rlc_tick(int frame, int subframe)
+{
+  int expected_next_frame;
+  int expected_next_subframe;
+
+  if (frame != rlc_current_time_last_frame ||
+      subframe != rlc_current_time_last_subframe) {
+    /* warn if discontinuity in ticks */
+    expected_next_subframe = (rlc_current_time_last_subframe + 1) % 10;
+    if (expected_next_subframe == 0)
+      expected_next_frame = (rlc_current_time_last_frame + 1) % 1024;
+    else
+      expected_next_frame = rlc_current_time_last_frame;
+    if (expected_next_frame != frame || expected_next_subframe != subframe)
+      LOG_W(RLC, "rlc_tick: discontinuity (expected %d.%d, got %d.%d)\n",
+            expected_next_frame, expected_next_subframe,
+            frame, subframe);
+
+    rlc_current_time++;
+    rlc_current_time_last_frame = frame;
+    rlc_current_time_last_subframe = subframe;
+  }
+}

openair2/X2AP/x2ap_eNB.c

@@ -310,14 +310,21 @@ void x2ap_eNB_handle_register_eNB(instance_t instance,
                      x2ap_register_eNB->t_dc_overall);
 
     for (int i = 0; i< x2ap_register_eNB->num_cc; i++) {
+      if(new_instance->cell_type == CELL_MACRO_GNB){
+        new_instance->nr_band[i]              = x2ap_register_eNB->nr_band[i];
+        new_instance->tdd_nRARFCN[i]             = x2ap_register_eNB->nrARFCN[i];
+      }
+      else{
         new_instance->eutra_band[i]              = x2ap_register_eNB->eutra_band[i];
         new_instance->downlink_frequency[i]      = x2ap_register_eNB->downlink_frequency[i];
+        new_instance->fdd_earfcn_DL[i]           = x2ap_register_eNB->fdd_earfcn_DL[i];
+        new_instance->fdd_earfcn_UL[i]           = x2ap_register_eNB->fdd_earfcn_UL[i];
+      }
+
       new_instance->uplink_frequency_offset[i] = x2ap_register_eNB->uplink_frequency_offset[i];
       new_instance->Nid_cell[i]                = x2ap_register_eNB->Nid_cell[i];
       new_instance->N_RB_DL[i]                 = x2ap_register_eNB->N_RB_DL[i];
       new_instance->frame_type[i]              = x2ap_register_eNB->frame_type[i];
-      new_instance->fdd_earfcn_DL[i]           = x2ap_register_eNB->fdd_earfcn_DL[i];
-      new_instance->fdd_earfcn_UL[i]           = x2ap_register_eNB->fdd_earfcn_UL[i];
     }
 
     DevCheck(x2ap_register_eNB->nb_x2 <= X2AP_MAX_NB_ENB_IP_ADDRESS,

openair2/X2AP/x2ap_eNB_defs.h

@@ -179,6 +179,7 @@ typedef struct x2ap_eNB_instance_s {
   uint32_t                specialSubframe[MAX_NUM_CCs];
 
 //#ifdef Rel15
+  int32_t                 nr_band[MAX_NUM_CCs];
   uint32_t				  tdd_nRARFCN[MAX_NUM_CCs];
   int16_t                 nr_SCS[MAX_NUM_CCs];
 //#endif

openair2/X2AP/x2ap_eNB_generate_messages.c

@@ -39,7 +39,6 @@
 #include "x2ap_ids.h"
 
 #include "x2ap_eNB_itti_messaging.h"
-#include "X2AP_SupportedSULFreqBandItem.h"
 
 #include "msc.h"
 #include "assertions.h"
@@ -1236,7 +1235,6 @@ int x2ap_gNB_generate_ENDC_x2_setup_request(
   X2AP_En_gNB_ENDCX2SetupReqIEs_t 			 *ie_GNB_ENDC;
   X2AP_PLMN_Identity_t               	 *plmn;
   ServedNRcellsENDCX2ManagementList__Member                *servedCellMember;
-  X2AP_SupportedSULFreqBandItem_t *SULFreqBandItem;
 
   uint8_t  *buffer;
   uint32_t  len;
@@ -1308,26 +1306,23 @@ MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length
             MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length, plmn);
             ASN_SEQUENCE_ADD(&servedCellMember->servedNRCellInfo.broadcastPLMNs.list, plmn);
           }
-
           if (instance_p->frame_type[i] == TDD) {
             X2AP_FreqBandNrItem_t *freq_band;
             servedCellMember->servedNRCellInfo.nrModeInfo.present = X2AP_ServedNRCell_Information__nrModeInfo_PR_tdd;
-            servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nRFreqInfo.nRARFCN = 0; //instance_p->tdd_nRARFCN[i];
+            servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nRFreqInfo.nRARFCN = instance_p->tdd_nRARFCN[i];
             /* addition of Frequency Band List */
             freq_band = calloc(1, sizeof(X2AP_FreqBandNrItem_t));
             if (freq_band == NULL)
                exit(1);
-            freq_band->freqBandIndicatorNr = instance_p->eutra_band[0];
-
-            SULFreqBandItem = calloc(1, sizeof(X2AP_SupportedSULFreqBandItem_t));
-            SULFreqBandItem->freqBandIndicatorNr=80; /* TODO: put correct value */
-            ASN_SEQUENCE_ADD(&freq_band->supportedSULBandList.list, SULFreqBandItem);
+            freq_band->freqBandIndicatorNr = instance_p->nr_band[i];
 
             ASN_SEQUENCE_ADD(&servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nRFreqInfo.freqBandListNr, freq_band);
             switch (instance_p->N_RB_DL[i]) {
-        	case 50:
-			//This is not correct. Just to be able to test X2 only using an eNB instead of gNB
-                	servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb51;
+            case 32:
+              servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb32;
+              break;
+            case 66:
+              servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb66;
               break;
             case 93 :
               servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb93;
@@ -1338,6 +1333,12 @@ MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length
             case 121:
               servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb121;
               break;
+            case 217:
+              servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb217;
+              break;
+            case 273:
+              servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb273;
+              break;
               /*More cases to be added */
             default:
               AssertFatal(0,"Failed: Check value for N_RB_DL/N_RB_UL");

targets/RT/USER/lte-ru.c

@@ -2017,6 +2017,7 @@ void *ru_thread_synch(void *arg) {
 
 #if defined(PRE_SCD_THREAD)
 void *pre_scd_thread( void *param ) {
+  void rlc_tick(int, int);
   static int              eNB_pre_scd_status;
   protocol_ctxt_t         ctxt;
   int                     frame;
@@ -2051,6 +2052,7 @@ void *pre_scd_thread( void *param ) {
     AssertFatal((ret=pthread_mutex_unlock(&ru->proc.mutex_pre_scd))==0,"mutex_unlock returns %d\n",ret);
     PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, Mod_id, ENB_FLAG_YES,
                                    NOT_A_RNTI, frame, subframe,Mod_id);
+    rlc_tick(frame, subframe);
     pdcp_run(&ctxt);
 
     for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {