refactor open-coded conversion of rv_index to HARQ round into new function nr_rv_to_round()

openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c

@@ -463,12 +463,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_gNB_ULSCH_DECODING,1);
   harq_process->TBS = pusch_pdu->pusch_data.tb_size;
-  for (int round = 0; round < 4; round++) {
-    if (nr_rv_round_map[round] == pusch_pdu->pusch_data.rv_index) {
-      harq_process->round = round;
-      break;
-    }
-  }
+  harq_process->round = nr_rv_to_round(pusch_pdu->pusch_data.rv_index);
 
   harq_process->new_rx = false; // flag to indicate if this is a new reception for this harq (initialized to false)
   if (harq_process->round == 0) {

openair1/PHY/defs_nr_common.h

@@ -115,6 +115,16 @@
 extern const uint8_t nr_rv_round_map[4]; 
 extern const uint8_t nr_rv_round_map_ue[4]; 
 
+static inline
+uint8_t nr_rv_to_round(uint8_t rv)
+{
+  for (uint8_t round = 0; round < 4; round++) {
+    if (nr_rv_round_map[round] == rv)
+      return round;
+  }
+  return 0;
+}
+
 typedef enum {
   NR_MU_0=0,
   NR_MU_1,