support SidelinkUEInformation (eNB) and RRCConnectionReconfiguration (SL)

openair2/RRC/LITE/MESSAGES/asn1_msg.c

@@ -1369,8 +1369,7 @@ uint8_t do_SidelinkUEInformation(uint8_t Mod_id, uint8_t *buffer,  SL_Destinatio
    UL_DCCH_Message_t ul_dcch_msg;
 
    SidelinkUEInformation_r12_t *sidelinkUEInformation;
-   ARFCN_ValueEUTRA_r9_t   commRxInterestedFreq[] = {2565000000.0}; //sidelink communication frequency
-   ARFCN_ValueEUTRA_r9_t carrierFreq[] = {2565000000.0};
+   ARFCN_ValueEUTRA_r9_t carrierFreq[] = {2565000000.0};//sidelink communication frequency
 
    memset((void *)&ul_dcch_msg,0,sizeof(UL_DCCH_Message_t));
 
@@ -1383,7 +1382,8 @@ uint8_t do_SidelinkUEInformation(uint8_t Mod_id, uint8_t *buffer,  SL_Destinatio
    switch(mode) {
    //if SIB18 is available case 1,2,3,4
    case 1: // to receive sidelink communication
-      sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.commRxInterestedFreq_r12 = &commRxInterestedFreq[0];
+      sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.commRxInterestedFreq_r12 = &carrierFreq[0];
+      sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.commRxInterestedFreq_r12[0] = carrierFreq[0];
       break;
    case 2: //to transmit non-relay related one-to-many sidelink communication
       //commTxResourceReq
@@ -2186,11 +2186,13 @@ do_RRCConnectionReconfiguration(
   RSRP_Range_t                       *rsrp,
   C_RNTI_t                           *cba_rnti,
   struct RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList
-  *dedicatedInfoNASList
-
+  *dedicatedInfoNASList,
+  SL_CommConfig_r12_t                *sl_CommConfig,
+  SL_DiscConfig_r12_t                *sl_DiscConfig
 #if defined(Rel10) || defined(Rel14)
   , SCellToAddMod_r10_t  *SCell_config
 #endif
+
 )
 //------------------------------------------------------------------------------
 {
@@ -2282,6 +2284,18 @@ do_RRCConnectionReconfiguration(
   rrcConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.dedicatedInfoNASList = dedicatedInfoNASList;
   rrcConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.securityConfigHO     = NULL;
 
+  //TTN for D2D
+  //allocate dedicated resource pools for SL communication (sl_CommConfig_r12)
+  if (sl_CommConfig) {
+     rrcConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->sl_CommConfig_r12 = sl_CommConfig;
+     rrcConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->sl_CommConfig_r12[0] = sl_CommConfig[0];
+  }
+  //allocate dedicated resource pools for SL discovery (sl_DiscConfig)
+  if (sl_DiscConfig){
+     rrcConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->sl_DiscConfig_r12 = sl_DiscConfig;
+     rrcConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->sl_DiscConfig_r12[0] = sl_DiscConfig[0];
+  }
+
   enc_rval = uper_encode_to_buffer(&asn_DEF_DL_DCCH_Message,
                                    (void*)&dl_dcch_msg,
                                    buffer,

openair2/RRC/LITE/MESSAGES/asn1_msg.h

@@ -199,7 +199,9 @@ do_RRCConnectionReconfiguration(
     struct MeasConfig__speedStatePars  *speedStatePars,
     RSRP_Range_t                       *rsrp,
     C_RNTI_t                           *cba_rnti,
-  struct RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList* dedicatedInfoNASList
+  struct RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList* dedicatedInfoNASList,
+  SL_CommConfig_r12_t                *sl_CommConfig,
+  SL_DiscConfig_r12_t                *sl_DiscConfig
 #if defined(Rel10) || defined(Rel14)
     , SCellToAddMod_r10_t  *SCell_config
 #endif

openair2/RRC/LITE/proto.h

@@ -294,7 +294,10 @@ rrc_eNB_generate_RRCConnectionReconfiguration_handover(
 int
 rrc_eNB_generate_RRCConnectionReconfiguration_Sidelink(
       const protocol_ctxt_t* const ctxt_pP,
-      rrc_eNB_ue_context_t*           const ue_context_pP
+      rrc_eNB_ue_context_t*           const ue_context_pP,
+      SL_DestinationIdentity_r12_t* SL_DestinationIdentity,
+      int n_destinations,
+      int n_discoveryMessages
 );
 
 /** \brief process the received SidelinkUEInformation message at UE
@@ -305,7 +308,7 @@ void
 rrc_eNB_process_SidelinkUEInformation(
       const protocol_ctxt_t* const ctxt_pP,
       rrc_eNB_ue_context_t*         ue_context_pP,
-      SidelinkUEInformation_r12_t * sidelinkUEInformation
+      SidelinkUEInformation_r12_t*  sidelinkUEInformation
 );
 
 //L2_interface.c

openair2/RRC/LITE/rrc_UE.c

@@ -1898,6 +1898,19 @@ rrc_ue_process_rrcConnectionReconfiguration(
         rrc_ue_process_radioResourceConfigDedicated(ctxt_pP,eNB_index, rrcConnectionReconfiguration_r8->radioResourceConfigDedicated);
       }
 
+      //TTN for D2D
+      //if RRCConnectionReconfiguration message includes the sl-CommConfig
+      if (rrcConnectionReconfiguration_r8->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->sl_CommConfig_r12->commTxResources_r12->present != SL_CommConfig_r12__commTxResources_r12_PR_NOTHING){
+         LOG_I(RRC,"sl-CommConfig is present\n");
+         //rrc_ue_process_sidelink_commTxPool()
+      }
+      //if RRCConnectionReconfiguration message includes the sl-DiscConfig
+      if (rrcConnectionReconfiguration_r8->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->sl_DiscConfig_r12->discTxResources_r12->present != SL_DiscConfig_r12__discTxResources_r12_PR_NOTHING ){
+         LOG_I(RRC,"sl-CommConfig is present\n");
+         //rrc_ue_process_sidelink_discTxPool()
+      }
+
+
 #if defined(ENABLE_ITTI)
 
       /* Check if there is dedicated NAS information to forward to NAS */
@@ -4873,9 +4886,18 @@ void rrc_ue_generate_SidelinkUEInformation( const protocol_ctxt_t* const ctxt_pP
    uint8_t buffer[100];
 
    //Generate SidelinkUEInformation
-   size = do_SidelinkUEInformation(ctxt_pP->module_id, buffer, destinationInfoList, discTxResourceReq, mode);
+
+   if ((UE_rrc_inst[ctxt_pP->module_id].Info[eNB_index].SIStatus&8192) != 0) {//if SIB18 is available
+      size = do_SidelinkUEInformation(ctxt_pP->module_id, buffer, destinationInfoList, NULL, mode);
       LOG_I(RRC,"[UE %d][RRC_UE] Frame %d : Logical Channel UL-DCCH, Generating SidelinkUEInformation (bytes%d, eNB %d)\n",
             ctxt_pP->module_id,ctxt_pP->frame, size, eNB_index);
+   }
+   if ((UE_rrc_inst[ctxt_pP->module_id].Info[eNB_index].SIStatus&16384) != 0) {//if SIB19 is available
+      size = do_SidelinkUEInformation(ctxt_pP->module_id, buffer, NULL, discTxResourceReq, mode);
+      LOG_I(RRC,"[UE %d][RRC_UE] Frame %d : Logical Channel UL-DCCH, Generating SidelinkUEInformation (bytes%d, eNB %d)\n",
+            ctxt_pP->module_id,ctxt_pP->frame, size, eNB_index);
+   }
+
 
 
 }