Merge remote-tracking branch 'origin/race-ue-rrc-mac' into integration_2025_w02 (!3103)

Introduce ITTI queue in RRC-to-MAC direction

resolve ue rcc to mac race conditions by a itti queue, but it doesn't
resolve the problem of exact slot we should apply the new cell
configurtion

executables/nr-ue.c

@@ -624,6 +624,14 @@ static int UE_dl_preprocessing(PHY_VARS_NR_UE *UE,
   if (UE->sl_mode == 2)
     fp = &UE->SL_UE_PHY_PARAMS.sl_frame_params;
 
+  // process what RRC thread sent to MAC
+  MessageDef *msg = NULL;
+  do {
+    itti_poll_msg(TASK_MAC_UE, &msg);
+    if (msg)
+      process_msg_rcc_to_mac(msg);
+  } while (msg);
+
   if (IS_SOFTMODEM_NOS1 || IS_SA_MODE(get_softmodem_params())) {
     /* send tick to RLC and PDCP every ms */
     if (proc->nr_slot_rx % fp->slots_per_subframe == 0) {
@@ -868,10 +876,18 @@ void *UE_thread(void *arg)
         syncRunning = false;
         if (UE->is_synchronized) {
           UE->synch_request.received_synch_request = 0;
-          if (UE->sl_mode == 2)
+          if (UE->sl_mode == SL_MODE2_SUPPORTED)
             decoded_frame_rx = UE->SL_UE_PHY_PARAMS.sync_params.DFN;
-          else
+          else {
+            // We must wait the RRC layer decoded the MIB and sent us the frame number
+            MessageDef *msg = NULL;
+            itti_receive_msg(TASK_MAC_UE, &msg);
+            if (msg)
+              process_msg_rcc_to_mac(msg);
+            else
+              LOG_E(PHY, "It seems we arbort while trying to sync\n");
             decoded_frame_rx = mac->mib_frame;
+          }
           LOG_A(PHY,
                 "UE synchronized! decoded_frame_rx=%d UE->init_sync_frame=%d trashed_frames=%d\n",
                 decoded_frame_rx,

executables/nr-uesoftmodem.c

@@ -52,6 +52,7 @@
 #include "PHY_INTERFACE/phy_interface_vars.h"
 #include "NR_IF_Module.h"
 #include "openair1/SIMULATION/TOOLS/sim.h"
+#include "openair2/RRC/NR_UE/L2_interface_ue.h"
 
 #ifdef SMBV
 #include "PHY/TOOLS/smbv.h"
@@ -488,6 +489,12 @@ int main(int argc, char **argv)
                                     get_softmodem_params()->numerology,
                                     nr_band);
         } else {
+	  MessageDef *msg = NULL;
+	  do {
+	    itti_poll_msg(TASK_MAC_UE, &msg);
+	    if (msg)
+	      process_msg_rcc_to_mac(msg);
+	  } while (msg);
           fapi_nr_config_request_t *nrUE_config = &UE[CC_id]->nrUE_config;
           nr_init_frame_parms_ue(&UE[CC_id]->frame_parms, nrUE_config, mac->nr_band);
         }