Fixed ssb sync issue

executables/nr-gnb.c

@@ -115,14 +115,14 @@ void tx_func(void *param) {
 
   processingData_L1tx_t *info = (processingData_L1tx_t *) param;
   PHY_VARS_gNB *gNB = info->gNB;
-  int frame_tx = info->frame_tx;
-  int slot_tx = info->slot_tx;
+  int frame_tx = info->frame;
+  int slot_tx = info->slot;
 
   phy_procedures_gNB_TX(info,
                         frame_tx,
                         slot_tx,
                         1);
-  info->status = NOT_FILLED;
+  info->slot = -1;
   if ((frame_tx&127) == 0) dump_pdsch_stats(gNB);
 
   // If the later of the 2 L1 tx thread finishes first,
@@ -281,16 +281,13 @@ void rx_func(void *param) {
     notifiedFIFO_elt_t *res;
     res = pullTpool(gNB->resp_L1_tx, gNB->threadPool);
     processingData_L1tx_t *syncMsg = (processingData_L1tx_t *)NotifiedFifoData(res);
-    while (syncMsg->status == NOT_FILLED) {
+    while (syncMsg->slot != slot_tx) {
       pushNotifiedFIFO(gNB->resp_L1_tx, res);
       res = pullTpool(gNB->resp_L1_tx, gNB->threadPool);
       syncMsg = (processingData_L1tx_t *)NotifiedFifoData(res);
     }
     syncMsg->gNB = gNB;
-    syncMsg->frame_rx = frame_rx;
-    syncMsg->slot_rx = slot_rx;
-    syncMsg->frame_tx = frame_tx;
-    syncMsg->slot_tx = slot_tx;
+    AssertFatal(syncMsg->slot == slot_tx, "Thread message slot and logical slot number do not match\n");
     syncMsg->timestamp_tx = info->timestamp_tx;
     res->key = slot_tx;
     pushTpool(gNB->threadPool, res);
@@ -414,6 +411,7 @@ void init_gNB_Tpool(int inst) {
   notifiedFIFO_elt_t *msgL1Tx = newNotifiedFIFO_elt(sizeof(processingData_L1tx_t),0,gNB->resp_L1_tx,tx_func);
   processingData_L1tx_t *msgDataTx = (processingData_L1tx_t *)NotifiedFifoData(msgL1Tx);
   init_DLSCH_struct(gNB, msgDataTx);
+  msgDataTx->slot = -1;
   memset(msgDataTx->ssb, 0, 64*sizeof(NR_gNB_SSB_t));
   reset_meas(&msgDataTx->phy_proc_tx);
   gNB->phy_proc_tx_0 = &msgDataTx->phy_proc_tx;
@@ -422,6 +420,7 @@ void init_gNB_Tpool(int inst) {
   msgL1Tx = newNotifiedFIFO_elt(sizeof(processingData_L1tx_t),0,gNB->resp_L1_tx,tx_func);
   msgDataTx = (processingData_L1tx_t *)NotifiedFifoData(msgL1Tx);
   init_DLSCH_struct(gNB, msgDataTx);
+  msgDataTx->slot = -1;
   memset(msgDataTx->ssb, 0, 64*sizeof(NR_gNB_SSB_t));
   reset_meas(&msgDataTx->phy_proc_tx);
   gNB->phy_proc_tx_1 = &msgDataTx->phy_proc_tx;

openair1/PHY/NR_TRANSPORT/nr_dci.c

@@ -133,8 +133,8 @@ void nr_generate_dci(PHY_VARS_gNB *gNB,
 						   dci_pdu->AggregationLevel,
 						   0,NULL);
     polar_encoder_fast((uint64_t*)dci_pdu->Payload, (void*)encoder_output, n_RNTI,1,currentPtr);
-#ifdef DEBUG_CHANNEL_CODING
-    printf("polar rnti %x,length %d, L %d\n",n_RNTI, dci_pdu->PayloadSizeBits,pdcch_pdu_rel15->dci_pdu.AggregationLevel[d]);
+#if DEBUG_CHANNEL_CODING
+    printf("polar rnti %x,length %d, L %d\n",n_RNTI, dci_pdu->PayloadSizeBits,dci_pdu->AggregationLevel);
     printf("DCI PDU: [0]->0x%lx \t [1]->0x%lx\n",
 	   ((uint64_t*)dci_pdu->Payload)[0], ((uint64_t*)dci_pdu->Payload)[1]);
     printf("Encoded Payload (length:%d dwords):\n", encoded_length>>5);

openair1/PHY/defs_gNB.h

@@ -937,10 +937,8 @@ typedef enum {
 } msgStatus_t;
 
 typedef struct processingData_L1tx {
-  int frame_rx;
-  int frame_tx;
-  int slot_rx;
-  int slot_tx;
+  int frame;
+  int slot;
   openair0_timestamp timestamp_tx;
   PHY_VARS_gNB *gNB;
   nfapi_nr_dl_tti_pdcch_pdu pdcch_pdu;
@@ -949,7 +947,6 @@ typedef struct processingData_L1tx {
   NR_gNB_SSB_t ssb[64];
   uint16_t num_pdsch_slot;
   time_stats_t phy_proc_tx;
-  msgStatus_t status;
 } processingData_L1tx_t;
 
 #endif

openair1/SCHED_NR/fapi_nr_l1.c

@@ -144,6 +144,10 @@ void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO){
 
   int pdcch_received=0;
   msgTx->num_pdsch_slot=0;
+  msgTx->pdcch_pdu.pdcch_pdu_rel15.numDlDci = 0;
+  msgTx->ul_pdcch_pdu.pdcch_pdu.pdcch_pdu_rel15.numDlDci = 0;
+  msgTx->slot = slot;
+  msgTx->frame = frame;
 
   for (int i=0;i<number_dl_pdu;i++) {
     nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdu = &DL_req->dl_tti_request_body.dl_tti_pdu_list[i];
@@ -185,7 +189,6 @@ void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO){
   if(NFAPI_MODE != NFAPI_MODE_VNF)
     msgTx->ul_pdcch_pdu = UL_dci_req->ul_dci_pdu_list[number_ul_dci_pdu-1]; // copy the last pdu
 
-  msgTx->status = FILLED;
   pushNotifiedFIFO(gNB->resp_L1_tx,res);
 
   if(NFAPI_MODE != NFAPI_MODE_VNF)

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -164,7 +164,7 @@ void phy_procedures_gNB_TX(processingData_L1tx_t *msgTx,
 
   if (num_dl_dci > 0 || num_ul_dci > 0) {
     LOG_D(PHY, "[gNB %d] Frame %d slot %d Calling nr_generate_dci_top (number of UL/DL DCI %d/%d)\n",
-	  gNB->Mod_id, frame, slot, num_dl_dci, num_ul_dci);
+	  gNB->Mod_id, frame, slot, num_ul_dci, num_dl_dci);
   
     VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_gNB_PDCCH_TX,1);
 
@@ -178,10 +178,12 @@ void phy_procedures_gNB_TX(processingData_L1tx_t *msgTx,
     VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_gNB_PDCCH_TX,0);
   }
  
-  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GENERATE_DLSCH,1);
-  LOG_D(PHY, "PDSCH generation started (%d) in frame %d.%d\n", msgTx->num_pdsch_slot,frame,slot);
-  nr_generate_pdsch(msgTx, frame, slot);
-  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GENERATE_DLSCH,0);
+  if (msgTx->num_pdsch_slot > 0) {
+    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GENERATE_DLSCH,1);
+    LOG_I(PHY, "PDSCH generation started (%d) in frame %d.%d\n", msgTx->num_pdsch_slot,frame,slot);
+    nr_generate_pdsch(msgTx, frame, slot);
+    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GENERATE_DLSCH,0);
+  }
 
   if (do_meas==1) stop_meas(&msgTx->phy_proc_tx);