cc_worker,proc_ra: set RNTI type for UL grant contained in RAR

needed for HARQ to correctly pick up the Msg3 Tx

srsue/src/phy/nr/cc_worker.cc

@@ -369,6 +369,7 @@ bool cc_worker::work_ul()
     mac_ul_grant.tbs                                     = pusch_cfg.grant.tb[0].tbs / 8;
     mac_ul_grant.ndi                                     = pusch_cfg.grant.tb[0].ndi;
     mac_ul_grant.rv                                      = pusch_cfg.grant.tb[0].rv;
+    mac_ul_grant.is_rar_grant                            = (pusch_cfg.grant.rnti_type == srsran_rnti_type_ra);
     phy->stack->new_grant_ul(0, mac_ul_grant, &ul_action);
 
     // Don't process further if MAC can't provide PDU

srsue/src/stack/mac_nr/proc_ra_nr.cc

@@ -205,7 +205,7 @@ void proc_ra_nr::ra_response_reception(const mac_interface_phy_nr::mac_nr_grant_
           temp_crnti = subpdu.get_temp_crnti();
 
           // Set Temporary-C-RNTI if provided, otherwise C-RNTI is ok
-          phy->set_ul_grant(subpdu.get_ul_grant(), temp_crnti, srsran_rnti_type_c);
+          phy->set_ul_grant(subpdu.get_ul_grant(), temp_crnti, srsran_rnti_type_ra);
 
           // reset all parameters that are used before rar
           rar_rnti = SRSRAN_INVALID_RNTI;