Move respPuschAarx response queue to stack of nr_pusch_channel_estimation()

The queue for finished jobs of PUSCH channel estimation is only used inside
nr_pusch_channel_estimation(). Since initialization is fast, it can be
declared on the stack in the function where it is used.

executables/nr-gnb.c

@@ -354,9 +354,6 @@ void init_gNB_Tpool(int inst) {
   // ULSCH decoder result FIFO
   initNotifiedFIFO(&gNB->respPuschSymb);
   initNotifiedFIFO(&gNB->respDecode);
-  // PUSCH channel estimation result FIFO
-  initNotifiedFIFO(&gNB->respPuschAarx);
-
 
   // L1 RX result FIFO
   initNotifiedFIFO(&gNB->resp_L1);

openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c

@@ -499,6 +499,8 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
     delay_arr[i] = *delay;
   }
 
+  notifiedFIFO_t respPuschAarx;
+  initNotifiedFIFO(&respPuschAarx);
   start_meas(&gNB->pusch_channel_estimation_antenna_processing_stats);
   int numAntennas = gNB->dmrs_num_antennas_per_thread;
   for (int aarx = 0; aarx < gNB->frame_parms.nb_antennas_rx; aarx += numAntennas) {
@@ -506,7 +508,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
     id.p = 1 + aarx;
     notifiedFIFO_elt_t *req = newNotifiedFIFO_elt(sizeof(puschAntennaProc_t),
                                                   id.p,
-                                                  &gNB->respPuschAarx,
+                                                  &respPuschAarx,
                                                   &nr_pusch_antenna_processing); // create a job for Tpool
     puschAntennaProc_t *rdata = (puschAntennaProc_t *)NotifiedFifoData(req); // data for the job
 
@@ -537,7 +539,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
   } // Antenna Loop
 
   while (nbAarx > 0) {
-    notifiedFIFO_elt_t *req = pullTpool(&gNB->respPuschAarx, &gNB->threadPool);
+    notifiedFIFO_elt_t *req = pullTpool(&respPuschAarx, &gNB->threadPool);
     nbAarx--;
     delNotifiedFIFO_elt(req);
   }

openair1/PHY/defs_gNB.h

@@ -554,7 +554,6 @@ typedef struct PHY_VARS_gNB_s {
   time_stats_t srs_beam_report_stats;
   time_stats_t srs_iq_matrix_stats;
 
-  notifiedFIFO_t respPuschAarx;
   notifiedFIFO_t respPuschSymb;
   notifiedFIFO_t respDecode;
   notifiedFIFO_t resp_L1;

openair1/SIMULATION/NR_PHY/ulsim.c

@@ -573,7 +573,6 @@ int main(int argc, char *argv[])
   initNotifiedFIFO(&gNB->respDecode);
 
   initNotifiedFIFO(&gNB->respPuschSymb);
-  initNotifiedFIFO(&gNB->respPuschAarx);
   initNotifiedFIFO(&gNB->L1_tx_free);
   initNotifiedFIFO(&gNB->L1_tx_filled);
   initNotifiedFIFO(&gNB->L1_tx_out);