nr ue: fix rlc and pdcp tick generation

Ticks have to come every millisecond. The code was calling tick
only for DL slots.

(This whole logic will change at some point, this tick mechanism is not
good. But in the meantime, let's fix anyway.)

executables/nr-ue.c

@@ -698,6 +698,16 @@ void processSlotRX(void *arg) {
   int tx_slot_type = nr_ue_slot_select(cfg, proc->frame_tx, proc->nr_slot_tx);
   uint8_t gNB_id = 0;
 
+  if (IS_SOFTMODEM_NOS1 || get_softmodem_params()->sa) {
+    /* send tick to RLC and PDCP every ms */
+    if (proc->nr_slot_rx % UE->frame_parms.slots_per_subframe == 0) {
+      void nr_rlc_tick(int frame, int subframe);
+      void nr_pdcp_tick(int frame, int subframe);
+      nr_rlc_tick(proc->frame_rx, proc->nr_slot_rx / UE->frame_parms.slots_per_subframe);
+      nr_pdcp_tick(proc->frame_rx, proc->nr_slot_rx / UE->frame_parms.slots_per_subframe);
+    }
+  }
+
   if (rx_slot_type == NR_DOWNLINK_SLOT || rx_slot_type == NR_MIXED_SLOT){
 
     if(UE->if_inst != NULL && UE->if_inst->dl_indication != NULL) {
@@ -720,14 +730,6 @@ void processSlotRX(void *arg) {
       protocol_ctxt_t ctxt;
       PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, UE->Mod_id, ENB_FLAG_NO, mac->crnti, proc->frame_rx, proc->nr_slot_rx, 0);
       pdcp_run(&ctxt);
-
-      /* send tick to RLC and PDCP every ms */
-      if (proc->nr_slot_rx % UE->frame_parms.slots_per_subframe == 0) {
-        void nr_rlc_tick(int frame, int subframe);
-        void nr_pdcp_tick(int frame, int subframe);
-        nr_rlc_tick(proc->frame_rx, proc->nr_slot_rx / UE->frame_parms.slots_per_subframe);
-        nr_pdcp_tick(proc->frame_rx, proc->nr_slot_rx / UE->frame_parms.slots_per_subframe);
-      }
     }
     // calling UL_indication to schedule things other than PUSCH (eg, PUCCH)
     rxtxD->ue_sched_mode = NOT_PUSCH;