NR SA thread and sockets have been added.

This commit also removed MAX_NUM_NEIGH_CELLs and
replaced it with MAX_GNB_CELLS. This was a minor change
OAI added. The standalone sockets for the NR UE correctly
connect to the proxy. We are currently receiving dl_tti
messages from the proxy.

executables/nr-uesoftmodem.c

@@ -150,8 +150,6 @@ int        usrp_tx_thread = 0;
 int           oaisim_flag = 0;
 int            emulate_rf = 0;
 
-uint16_t ue_idx_standalone = 0xFFFF;
-
 char uecap_xer[1024],uecap_xer_in=0;
 
 /* see file openair2/LAYER2/MAC/main.c for why abstraction_flag is needed
@@ -159,6 +157,9 @@ char uecap_xer[1024],uecap_xer_in=0;
  */
 uint8_t abstraction_flag=0;
 
+uint16_t ue_id_g;
+uint16_t ue_idx_standalone = 0xFFFF;
+
 /*---------------------BMC: timespec helpers -----------------------------*/
 
 struct timespec min_diff_time = { .tv_sec = 0, .tv_nsec = 0 };
@@ -586,6 +587,19 @@ int main( int argc, char **argv ) {
     printf("UE threads created by %ld\n", gettid());
 
   }
+ if (NFAPI_MODE == NFAPI_MODE_STANDALONE_PNF) {
+    init_queue(&dl_itti_config_req_tx_data_req_queue);
+    init_queue(&ul_dci_config_req_queue);
+
+    config_sync_var=0;
+    if (sem_init(&sfn_slot_semaphore, 0, 0) != 0)
+    {
+      LOG_E(MAC, "sem_init() error\n");
+      abort();
+    }
+    init_nrUE_standalone_thread(ue_id_g);
+    //init_NR_UE_threads(NB_UE_INST);
+  }
 
   // wait for end of program
   printf("TYPE <CTRL-C> TO TERMINATE\n");