Move cell-value lookup functions (SSB ARFCN, ...) to rrc_gNB_du.c

The functions are needed in a later commit in both rrc_gNB_du.c and
rrc_gNB.c, so move to the rrc_gNB_du.c file concerned with DUs (cells).

openair2/RRC/NR/rrc_gNB.c

@@ -176,24 +176,6 @@ void nr_rrc_transfer_protected_rrc_message(const gNB_RRC_INST *rrc,
                        &data);
 }
 
-static int get_dl_band(const f1ap_served_cell_info_t *cell_info)
-{
-  return cell_info->mode == F1AP_MODE_TDD ? cell_info->tdd.freqinfo.band : cell_info->fdd.dl_freqinfo.band;
-}
-
-static int get_ssb_scs(const f1ap_served_cell_info_t *cell_info)
-{
-  return cell_info->mode == F1AP_MODE_TDD ? cell_info->tdd.tbw.scs : cell_info->fdd.dl_tbw.scs;
-}
-
-static int get_ssb_arfcn(const nr_rrc_du_container_t *du)
-{
-  DevAssert(du != NULL && du->mtc != NULL);
-  /* format has been verified when accepting MeasurementTimingConfiguration */
-  NR_MeasTimingList_t *mtlist = du->mtc->criticalExtensions.choice.c1->choice.measTimingConf->measTiming;
-  return mtlist->list.array[0]->frequencyAndTiming->carrierFreq;
-}
-
 ///---------------------------------------------------------------------------------------------------------------///
 ///---------------------------------------------------------------------------------------------------------------///
 

openair2/RRC/NR/rrc_gNB_du.c

@@ -28,6 +28,23 @@
 #include "openair2/F1AP/f1ap_ids.h"
 #include "executables/softmodem-common.h"
 
+int get_dl_band(const struct f1ap_served_cell_info_t *cell_info)
+{
+  return cell_info->mode == F1AP_MODE_TDD ? cell_info->tdd.freqinfo.band : cell_info->fdd.dl_freqinfo.band;
+}
+
+int get_ssb_scs(const struct f1ap_served_cell_info_t *cell_info)
+{
+  return cell_info->mode == F1AP_MODE_TDD ? cell_info->tdd.tbw.scs : cell_info->fdd.dl_tbw.scs;
+}
+
+int get_ssb_arfcn(const struct nr_rrc_du_container_t *du)
+{
+  DevAssert(du != NULL && du->mtc != NULL);
+  /* format has been verified when accepting MeasurementTimingConfiguration */
+  NR_MeasTimingList_t *mtlist = du->mtc->criticalExtensions.choice.c1->choice.measTimingConf->measTiming;
+  return mtlist->list.array[0]->frequencyAndTiming->carrierFreq;
+}
 
 static int du_compare(const nr_rrc_du_container_t *a, const nr_rrc_du_container_t *b)
 {

openair2/RRC/NR/rrc_gNB_du.h

@@ -42,4 +42,8 @@ struct nr_rrc_du_container_t *get_du_by_assoc_id(struct gNB_RRC_INST_s *rrc, sct
 
 void dump_du_info(const struct gNB_RRC_INST_s *rrc, FILE *f);
 
+int get_dl_band(const struct f1ap_served_cell_info_t *cell_info);
+int get_ssb_scs(const struct f1ap_served_cell_info_t *cell_info);
+int get_ssb_arfcn(const struct nr_rrc_du_container_t *du);
+
 #endif /* RRC_GNB_DU_H_ */