add default pcell to ue_cfg in RRC

srsenb/src/stack/rrc/rrc.cc

@@ -1055,6 +1055,13 @@ rrc::ue::ue(rrc* outer_rrc, uint16_t rnti_, const sched_interface::ue_cfg_t& sch
   current_sched_ue_cfg(sched_ue_cfg),
   phy_rrc_dedicated_list(sched_ue_cfg.supported_cc_list.size())
 {
+  if (current_sched_ue_cfg.supported_cc_list.empty() or not current_sched_ue_cfg.supported_cc_list[0].active) {
+    parent->rrc_log->warning("No PCell set. Picking eNBccIdx=0 as PCell\n");
+    current_sched_ue_cfg.supported_cc_list.resize(0);
+    current_sched_ue_cfg.supported_cc_list[0].active     = true;
+    current_sched_ue_cfg.supported_cc_list[0].enb_cc_idx = 0;
+  }
+
   activity_timer = outer_rrc->timers->get_unique_timer();
   set_activity_timeout(MSG3_RX_TIMEOUT); // next UE response is Msg3
   mobility_handler.reset(new rrc_mobility(this));

srsenb/test/upper/erab_setup_test.cc

@@ -53,8 +53,12 @@ int test_erab_setup(bool qci_exists)
     rrc.tti_clock();
   };
 
-  uint16_t rnti = 0x46;
-  rrc.add_user(rnti, {});
+  uint16_t                  rnti = 0x46;
+  sched_interface::ue_cfg_t ue_cfg;
+  ue_cfg.supported_cc_list.resize(1);
+  ue_cfg.supported_cc_list[0].active     = true;
+  ue_cfg.supported_cc_list[0].enb_cc_idx = 0;
+  rrc.add_user(rnti, ue_cfg);
 
   rrc_log->set_level(srslte::LOG_LEVEL_NONE); // mute all the startup log