fix for scrambling dci and renaming ss_type field

nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h

@@ -425,7 +425,7 @@ typedef struct {
   uint8_t num_dci_options;  // Num DCIs the UE actually needs to decode (1 or 2)
   uint8_t dci_length_options[2];
   uint8_t dci_format_options[2];
-  uint8_t dci_type_options[2];
+  uint8_t ss_type_options[2];
 } fapi_nr_dl_config_dci_dl_pdu_rel15_t;
 
 typedef struct {

openair1/PHY/NR_UE_TRANSPORT/dci_nr.c

@@ -878,7 +878,7 @@ uint8_t nr_dci_decoding_procedure(PHY_VARS_NR_UE *ue,
           dci_ind->dci_list[dci_ind->number_of_dcis].n_CCE = CCEind;
           dci_ind->dci_list[dci_ind->number_of_dcis].N_CCE = L;
           dci_ind->dci_list[dci_ind->number_of_dcis].dci_format = rel15->dci_format_options[k];
-          dci_ind->dci_list[dci_ind->number_of_dcis].ss_type = rel15->dci_type_options[k];
+          dci_ind->dci_list[dci_ind->number_of_dcis].ss_type = rel15->ss_type_options[k];
           dci_ind->dci_list[dci_ind->number_of_dcis].coreset_type = rel15->coreset.CoreSetType;
           int n_rb, rb_offset;
           get_coreset_rballoc(rel15->coreset.frequency_domain_resource, &n_rb, &rb_offset);

openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c

@@ -134,12 +134,13 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac,
   rel15->coreset.precoder_granularity = coreset->precoderGranularity;
 
   // Scrambling RNTI
+  rel15->coreset.scrambling_rnti = 0;
   if (coreset->pdcch_DMRS_ScramblingID) {
     rel15->coreset.pdcch_dmrs_scrambling_id = *coreset->pdcch_DMRS_ScramblingID;
-    rel15->coreset.scrambling_rnti = mac->crnti;
+    if (ss->searchSpaceType->present == NR_SearchSpace__searchSpaceType_PR_ue_Specific)
+      rel15->coreset.scrambling_rnti = mac->crnti;
   } else {
     rel15->coreset.pdcch_dmrs_scrambling_id = mac->physCellId;
-    rel15->coreset.scrambling_rnti = 0;
   }
 
   rel15->num_dci_options = (mac->ra.ra_state == WAIT_RAR ||
@@ -166,7 +167,7 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac,
 
   // loop over RNTI type and configure resource allocation for DCI
   for (int i = 0; i < rel15->num_dci_options; i++) {
-    rel15->dci_type_options[i] = ss->searchSpaceType->present;
+    rel15->ss_type_options[i] = ss->searchSpaceType->present;
     const int dci_format = rel15->dci_format_options[i];
     uint16_t alt_size = 0;
     if(current_DL_BWP) {

openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c

@@ -645,8 +645,8 @@ static void fill_dci_from_dl_config(nr_downlink_indication_t*dl_ind, fapi_nr_dl_
   AssertFatal(dl_config->number_pdus < sizeof(dl_config->dl_config_list) / sizeof(dl_config->dl_config_list[0]),
               "Too many dl_config pdus %d", dl_config->number_pdus);
   for (int i = 0; i < dl_config->number_pdus; i++) {
-    LOG_D(PHY, "In %s: filling DCI with a total of %d total DL PDUs (dl_config %p) \n",
-          __FUNCTION__, dl_config->number_pdus, dl_config);
+    LOG_D(PHY, "Filling DCI with a total of %d total DL PDUs (dl_config %p) \n",
+          dl_config->number_pdus, dl_config);
     fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15_dci = &dl_config->dl_config_list[i].dci_config_pdu.dci_config_rel15;
     int num_dci_options = rel15_dci->num_dci_options;
     if (num_dci_options <= 0)
@@ -662,14 +662,14 @@ static void fill_dci_from_dl_config(nr_downlink_indication_t*dl_ind, fapi_nr_dl_
                   "dl_config->number_pdus %d > dci_ind->dci_list array\n", num_dcis);
       for (int k = 0; k < num_dcis; k++) {
         LOG_T(NR_PHY, "Received len %d, length options[%d] %d, format assigned %d, format options[%d] %d\n",
-                  dl_ind->dci_ind->dci_list[k].payloadSize, j, rel15_dci->dci_length_options[j],
-                  dl_ind->dci_ind->dci_list[k].dci_format, j, rel15_dci->dci_format_options[j]);
+              dl_ind->dci_ind->dci_list[k].payloadSize, j, rel15_dci->dci_length_options[j],
+              dl_ind->dci_ind->dci_list[k].dci_format, j, rel15_dci->dci_format_options[j]);
         if (rel15_dci->dci_length_options[j] == dl_ind->dci_ind->dci_list[k].payloadSize) {
-            dl_ind->dci_ind->dci_list[k].dci_format = rel15_dci->dci_format_options[j];
-            dl_ind->dci_ind->dci_list[k].ss_type = rel15_dci->dci_type_options[j];
-            dl_ind->dci_ind->dci_list[k].coreset_type = rel15_dci->coreset.CoreSetType;
-            LOG_D(NR_PHY, "format assigned dl_ind->dci_ind->dci_list[k].dci_format %d\n",
-                  dl_ind->dci_ind->dci_list[k].dci_format);
+          dl_ind->dci_ind->dci_list[k].dci_format = rel15_dci->dci_format_options[j];
+          dl_ind->dci_ind->dci_list[k].ss_type = rel15_dci->ss_type_options[j];
+          dl_ind->dci_ind->dci_list[k].coreset_type = rel15_dci->coreset.CoreSetType;
+          LOG_D(NR_PHY, "format assigned dl_ind->dci_ind->dci_list[k].dci_format %d\n",
+                dl_ind->dci_ind->dci_list[k].dci_format);
         }
       }
     }