L3 RRC/NAS developments

src/ue/nas/mm/base.cpp

@@ -88,6 +88,9 @@ void NasMm::performMmCycle()
     if (m_mmState == EMmState::MM_NULL)
         return;
 
+    if (m_sm->anyUplinkDataPending() && missingSessionBearer())
+        serviceNeededForUplinkData();
+
     if (m_mmState == EMmState::MM_DEREGISTERED)
     {
         if (switchToECallInactivityIfNeeded())

src/ue/nas/mm/mm.hpp

@@ -166,6 +166,7 @@ class NasMm
     void handleRadioLinkFailure();
     void handlePaging(const std::vector<GutiMobileIdentity> &tmsiIds);
     void updateProvidedGuti(bool provide = true);
+    bool missingSessionBearer();
 
   private: /* Access Control */
     bool isHighPriority();

src/ue/nas/mm/radio.cpp

@@ -321,4 +321,13 @@ void NasMm::updateProvidedGuti(bool provide)
     }
 }
 
+bool NasMm::missingSessionBearer()
+{
+    if (m_cmState == ECmState::CM_IDLE)
+        return true;
+
+    // TODO
+    return false;
+}
+
 } // namespace nr::ue
\ No newline at end of file

src/ue/nas/sm/resource.cpp

@@ -62,11 +62,9 @@ bool NasSm::anyEmergencySession()
 void NasSm::handleUplinkStatusChange(int psi, bool isPending)
 {
     m_logger->debug("Uplink data status changed PSI[%d] pending[%s]", psi, isPending ? "true" : "false");
-
     m_pduSessions[psi]->uplinkPending = isPending;
 
-    if (isPending)
-        m_mm->serviceNeededForUplinkData();
+    m_mm->triggerMmCycle();
 }
 
 bool NasSm::anyUplinkDataPending()