Registration reject improvement

src/ue/mm/base.cpp

@@ -283,4 +283,9 @@ void NasMm::onTimerExpire(nas::NasTimer &timer)
     }
 }
 
+void NasMm::setN1Capability(bool enabled)
+{
+    // TODO
+}
+
 } // namespace nr::ue

src/ue/mm/mm.hpp

@@ -85,6 +85,7 @@ class NasMm
     void onSwitchRmState(ERmState oldState, ERmState newState);
     void onSwitchCmState(ECmState oldState, ECmState newState);
     void onSwitchUState(E5UState oldState, E5UState newState);
+    void setN1Capability(bool enabled);
 
     /* Transport */
     void sendMmStatus(nas::EMmCause cause);

src/ue/mm/register.cpp

@@ -181,7 +181,7 @@ void NasMm::receiveRegistrationReject(const nas::RegistrationReject &msg)
         if (cause == nas::EMmCause::N1_MODE_NOT_ALLOWED)
         {
             switchMmState(EMmState::MM_NULL, EMmSubState::MM_NULL_NA);
-            // TODO: disable n1 mode capability (See 4.9)
+            setN1Capability(false);
         }
 
         if (cause == nas::EMmCause::PLMN_NOT_ALLOWED || cause == nas::EMmCause::SERVING_NETWORK_NOT_AUTHORIZED)