f1 du: get list of sst/sd from configuration file

may not be the best place to get data from conf file, to be refined later
if needed

openair2/F1AP/f1ap_du_interface_management.c

@@ -37,6 +37,8 @@
 #include "f1ap_du_interface_management.h"
 #include "assertions.h"
 
+#include "GNB_APP/gnb_paramdef.h"
+
 int to_NRNRB(int nrb) {
   for (int i=0; i<sizeofArray(nrb_lut); i++)
     if (nrb_lut[i] == nrb)
@@ -180,11 +182,29 @@ int DU_send_F1_SETUP_REQUEST(instance_t instance) {
     served_plmns_itemExtIEs->extensionValue.present = F1AP_ServedPLMNs_ItemExtIEs__extensionValue_PR_SliceSupportList;
     F1AP_SliceSupportList_t *slice_support_list = &served_plmns_itemExtIEs->extensionValue.choice.SliceSupportList;
 
-    asn1cSequenceAdd(slice_support_list->list, F1AP_SliceSupportItem_t, SliceSupport_item);
-    INT8_TO_OCTET_STRING(1,&SliceSupport_item->sNSSAI.sST);
-    asn1cCalloc(SliceSupport_item->sNSSAI.sD, tmp);
-    INT24_TO_OCTET_STRING(10203,tmp);
-    //INT24_TO_OCTET_STRING(1,tmp);
+    /* get list of sst/sd from configuration file */
+    paramdef_t SNSSAIParams[] = GNBSNSSAIPARAMS_DESC;
+    paramlist_def_t SNSSAIParamList = {GNB_CONFIG_STRING_SNSSAI_LIST, NULL, 0};
+    char sstr[100];
+    /* TODO: be sure that %d in the line below is at the right place */
+    sprintf(sstr, "%s.[%d].%s.[0]", GNB_CONFIG_STRING_GNB_LIST, i, GNB_CONFIG_STRING_PLMN_LIST);
+    config_getlist(&SNSSAIParamList, SNSSAIParams, sizeof(SNSSAIParams)/sizeof(paramdef_t), sstr);
+    AssertFatal(SNSSAIParamList.numelt > 0, "no slice configuration found (snssaiList in the configuration file)\n");
+    AssertFatal(SNSSAIParamList.numelt <= 1024, "maximum size for slice support list is 1024, see F1AP 38.473 9.3.1.37\n");
+    for (int s = 0; s < SNSSAIParamList.numelt; s++) {
+      uint32_t sst;
+      uint32_t sd;
+      bool has_sd;
+      sst = *SNSSAIParamList.paramarray[s][GNB_SLICE_SERVICE_TYPE_IDX].uptr;
+      has_sd = *SNSSAIParamList.paramarray[s][GNB_SLICE_DIFFERENTIATOR_IDX].uptr != 0xffffff;
+      asn1cSequenceAdd(slice_support_list->list, F1AP_SliceSupportItem_t, slice);
+      INT8_TO_OCTET_STRING(sst, &slice->sNSSAI.sST);
+      if (has_sd) {
+        sd = *SNSSAIParamList.paramarray[s][GNB_SLICE_DIFFERENTIATOR_IDX].uptr;
+        asn1cCalloc(slice->sNSSAI.sD, tmp);
+        INT24_TO_OCTET_STRING(sd, tmp);
+      }
+    }
 
     if (f1ap_req(false, instance)->fdd_flag) { // FDD
       nR_Mode_Info->present = F1AP_NR_Mode_Info_PR_fDD;