Remote UE Report message with payload (Default PKMF address) addition

openair2/LAYER2/MAC/ue_procedures.c

@@ -2345,7 +2345,7 @@ ue_get_sdu(module_id_t module_idP, int CC_id, frame_t frameP,
 
 
 	phr_p->R = 0;
-	LOG_I(MAC,
+	LOG_D(MAC,
 	      "[UE %d] Frame %d report PHR with mapping (%d->%d) for LCID %d\n",
 	      module_idP, frameP, get_PHR(module_idP, CC_id, eNB_index),
 	      phr_p->PH, POWER_HEADROOM);

openair3/NAS/COMMON/ESM/MSG/RemoteUEReport.c

@@ -15,19 +15,39 @@
 #include "TLVDecoder.h"
 #include "RemoteUEReport.h"
 #include "PKMFAddress.h"
+#include "RemoteUEContext.h"
 
 int decode_remote_ue_report(remote_ue_report_msg *remoteuereport, uint8_t *buffer, uint32_t len)
 {
 uint32_t decoded = 0;
 int decoded_result = 0;
-
+//remoteuereport->pkmfaddress.pkmfipv4address = 1 ;
 // Check if we got a NULL pointer and if buffer length is >= minimum length expected for the message.
-CHECK_PDU_POINTER_AND_LENGTH_DECODER(buffer, REMOTE_UE_REPORT_RESPONSE_MINIMUM_LENGTH, len);
+CHECK_PDU_POINTER_AND_LENGTH_DECODER(buffer, REMOTE_UE_REPORT_MINIMUM_LENGTH, len);
+
+/* Decoding mandatory fields */
+  /* Decoding optional fields */
+  while(len - decoded > 0) {
+    uint8_t ieiDecoded = *(buffer + decoded);
+
+    /* Type | value iei are below 0x80 so just return the first 4 bits */
+    if (ieiDecoded >= 0x80)
+      ieiDecoded = ieiDecoded & 0xf0;
 
-if ((decoded_result = decode_pkmf_address(&remoteuereport->pkmfaddress, 0, buffer + decoded, len - decoded)) < 0)
+    switch(ieiDecoded) {
+        case REMOTE_UE_REPORT_PKMF_ADDRESS_IEI:
+        if ((decoded_result = decode_pkmf_address(&remoteuereport->pkmfaddress,
+		REMOTE_UE_REPORT_PKMF_ADDRESS_IEI,
+		buffer + decoded,
+		len - decoded)) < 0)
     return decoded_result;
   else
     decoded += decoded_result;
+/* Set corresponding mask to 1 in presencemask */
+        remoteuereport->presencemask |= REMOTE_UE_REPORT_PKMF_ADDRESS_PRESENT;
+      break;
+    }
+  }
 return decoded;
 }
 
@@ -35,13 +55,44 @@ int encode_remote_ue_report(remote_ue_report_msg *remoteuereport, uint8_t *buffe
 {
 int encoded = 0;
 int encode_result = 0;
+//uint32_t testip [4] = {0,1,2,3};
+//remoteuereport->pkmfaddress.pkmfipv4address = testip ;
+
 /* Checking IEI and pointer */
-CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, REMOTE_UE_REPORT_RESPONSE_MINIMUM_LENGTH, len);
+CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, REMOTE_UE_REPORT_MINIMUM_LENGTH, len);
+
+if ((remoteuereport->presencemask & REMOTE_UE_CONTEXT_PRESENT) == REMOTE_UE_CONTEXT_PRESENT)
+{
+if ((encode_result = encode_remote_ue_context(&remoteuereport->remoteuecontext,
+		REMOTE_UE_REPORT_REMOTE_UE_CONTEXT_IEI,
+		buffer + encoded,
+		len - encoded)) < 0)
+	return encode_result;
+
+	else
+
+	   encoded += encode_result;
+}
+
+if ((remoteuereport->presencemask & REMOTE_UE_REPORT_PKMF_ADDRESS_PRESENT)
+      == REMOTE_UE_REPORT_PKMF_ADDRESS_PRESENT)
+{
+
+if ((encode_result = encode_pkmf_address(&remoteuereport->pkmfaddress,
+		REMOTE_UE_REPORT_PKMF_ADDRESS_IEI ,
+		buffer + encoded,
+		len - encoded)) < 0)//Return in case of error
+
+		return encode_result;
 
-remoteuereport->pkmfaddress.pkmfipv4address = 0;
-if ((encode_result = encode_pkmf_address(&remoteuereport->pkmfaddress, 0, buffer + encoded, len - encoded)) < 0)//Return in case of error
-   return encode_result;
 else
+
    encoded += encode_result;
-return encoded;
+
 }
+
+LOG_TRACE(INFO, "ESM-SAP   - Remote UE Report message is out %d", len);
+
+return encoded;
+  }
+

openair3/NAS/COMMON/ESM/MSG/RemoteUEReport.h

@@ -12,22 +12,36 @@
 #include "EpsBearerIdentity.h"
 #include "ProcedureTransactionIdentity.h"
 #include "PKMFAddress.h"
+#include "MessageType.h"
+#include "RemoteUEContext.h"
 
 #ifndef OPENAIR3_NAS_COMMON_ESM_MSG_REMOTEUEREPORT_H_
 #define OPENAIR3_NAS_COMMON_ESM_MSG_REMOTEUEREPORT_H_
 
 /* Minimum length macro. Formed by minimum length of each mandatory field */
-#define REMOTE_UE_REPORT_RESPONSE_MINIMUM_LENGTH (0)
+#define REMOTE_UE_REPORT_MINIMUM_LENGTH (0)
+#define REMOTE_UE_REPORT_MAXIMUM_LENGTH (20)
+
+# define REMOTE_UE_CONTEXT_PRESENT (1<<0)
+# define REMOTE_UE_REPORT_PKMF_ADDRESS_PRESENT (1<<1)
+
+
+typedef enum remote_ue_report_iei_tag {
+	REMOTE_UE_REPORT_REMOTE_UE_CONTEXT_IEI = 0x79,
+	REMOTE_UE_REPORT_PKMF_ADDRESS_IEI = 0x6f,
+	} remote_ue_report_iei;
 
 typedef struct remote_ue_report_msg_tag {
   /* Mandatory fields */
-  ProtocolDiscriminator               protocoldiscriminator:4;
-  EpsBearerIdentity                   epsbeareridentity:4;
-  ProcedureTransactionIdentity        proceduretransactionidentity;
+  ProtocolDiscriminator                 protocoldiscriminator:4;
+  EpsBearerIdentity                     epsbeareridentity:4;
+  ProcedureTransactionIdentity          proceduretransactionidentity;
+  MessageType                           messagetype;
   /* Optional fields */
+  uint32_t                              presencemask;
+  remote_ue_context_t                   remoteuecontext;
   pkmf_address_t                   		pkmfaddress;
-  //RemoteUEContext        				remoteuecontext;
-} remote_ue_report_msg;
+  } remote_ue_report_msg;
 
 int decode_remote_ue_report(remote_ue_report_msg *remoteuereport, uint8_t *buffer, uint32_t len);
 

openair3/NAS/COMMON/ESM/MSG/esm_msg.c

@@ -369,8 +369,10 @@ int esm_msg_encode(ESM_msg *msg, uint8_t *buffer, uint32_t len)
     break;
 
   case REMOTE_UE_REPORT:
+	  //LOG_TRACE(INFO, "Remote UE Report is encoded");
     encode_result = encode_remote_ue_report(&msg->remote_ue_report, buffer, len);
-        break;
+    //LOG_TRACE(INFO, "Remote UE Report is encoded");
+    break;
 
   case REMOTE_UE_REPORT_RESPONSE:
       encode_result = encode_remote_ue_report_response(&msg->remote_ue_report_response, buffer, len);

openair3/NAS/COMMON/IES/PKMFAddress.c

@@ -11,11 +11,14 @@
 #include <stdbool.h>
 #include "PKMFAddress.h"
 #include "TLVDecoder.h"
+#include "TLVEncoder.h"
+
 
 //static int encode_pkmf_address(pkmf_address_t *pkmfaddress, uint8_t iei, uint8_t *buffer, uint32_t len);
 
 //static int decode_pkmf_address(pkmf_address_t *pkmfaddress, uint8_t iei, uint8_t *buffer, uint32_t len);
 
+//static int encode_pkmf_addressfield(pkmfaddress_t *pkmf, uint8_t *buffer);
 
 int decode_pkmf_address(
 		pkmf_address_t *pkmfaddress,
@@ -36,12 +39,12 @@ int decode_pkmf_address(
   	  	  	  memset (pkmfaddress, 0, sizeof (pkmf_address_t));
   	  	  	  //OAILOG_TRACE (LOG_NAS_EMM, "decode_pkmf_address = %d\n", ielen);
   	  	  	  CHECK_LENGTH_DECODER (len - decoded, ielen);
-  	  	  	  pkmfaddress->spare = (*(buffer + decoded) >> 3) & 0x1;
-  	  	  	  pkmfaddress->addresstype = *(buffer + decoded) & 0x1;
+  	  	  	  pkmfaddress->spare = (*(buffer + decoded) >> 3) & 0xf;
+  	  	  	  pkmfaddress->addresstype = *(buffer + decoded) & 0xf;
   	  	      decoded++;
   	  	  if (iei > 1)
   	  	  {
-  	  		pkmfaddress->pkmfipv4address = *(buffer + decoded ) & 0xf;
+  	  		//pkmfaddress->pkmfipaddress = *(buffer + decoded ) & 0xf;
   	  		decoded++;
   	  	  }
 
@@ -62,23 +65,57 @@ int encode_pkmf_address(
 {
 	uint8_t                                *lenPtr;
 	uint32_t                                encoded = 0;
+	int encoded_rc = TLV_ENCODE_VALUE_DOESNT_MATCH;
+	LOG_TRACE(INFO, "Send PKMF address %d", len);
+
+	/* Checking IEI and pointer */
+	CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, PKMF_ADDRESS_MINIMUM_LENGTH, len);
+#if defined (NAS_DEBUG)
+	dump_pkmf_address_xml(pkmfaddress, iei);
+#endif
 
-		if (iei > 0)
+	if (iei > 0)
 	{
 		*buffer = iei;
 	 	 encoded++;
-	    lenPtr = (buffer + encoded);
-	    encoded++;
-	 	*(buffer + encoded) = 0x00 | ((pkmfaddress->spare & 0x1) << 3) | (pkmfaddress->addresstype & 0x1);
-	    encoded++;
-	    lenPtr = (buffer + encoded);
-	    encoded++;
-	    *(buffer + encoded) = pkmfaddress->pkmfipv4address;
-	    encoded++;
-	    *lenPtr = encoded - 1 - ((iei > 0) ? 1 : 0);
 	}
-	    	return encoded;
 
+	   lenPtr = (buffer + encoded);
+	   encoded++;
+	   //pkmfaddress->addresstype = ADDRESS_TYPE_IPV4;
+	   *(buffer + encoded) =  0x00 | (((pkmfaddress->spare) & 0x1f) << 3)|
+	   ((pkmfaddress->addresstype = ADDRESS_TYPE_IPV4)& 0x7);
+	   encoded++;
+
+	   //if (pkmfaddress->addresstype = ADDRESS_TYPE_IPV4){
+	   *(buffer + encoded) =  (&pkmfaddress->pkmfipaddress);
+	   memcpy((void*)(buffer + encoded), (const void*)(&pkmfaddress->pkmfipaddress.ipv4), 4);
+	   encoded += 4;
+	   // }
+	   //else if(pkmfaddress->addresstype = ADDRESS_TYPE_IPV6)
+	   // {
+	   //*(buffer + encoded) = (&pkmfaddress->pkmfipaddress);
+	   // memcpy((void*)(buffer + encoded), (const void*)(&pkmfaddress->pkmfipaddress.ipv6),6);
+	   // encoded +=6;
+	   //}
+
+        //encoded++;
+
+	   *lenPtr = encoded - 1 - ((iei > 0) ? 1 : 0);
+  		LOG_TRACE(INFO, "Send PKMF address %d", len);
 
+	    return encoded;
 	}
 
+void dump_pkmf_address_xml(pkmf_address_t *pkmfaddress, uint8_t iei)
+{
+  printf("<PKMF Address>\n");
+
+  if (iei > 0)
+    /* Don't display IEI if = 0 */
+    printf("    <IEI>0x%X</IEI>\n", iei);
+
+  printf("%s</Access Point Name>\n",
+         dump_octet_string_xml(&pkmfaddress->pkmfipaddress));
+}
+

openair3/NAS/COMMON/IES/PKMFAddress.h

@@ -8,17 +8,36 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
+#include <netinet/in.h>
+
 
 #ifndef OPENAIR3_NAS_COMMON_IES_PKMFADDRESS_H_
 #define OPENAIR3_NAS_COMMON_IES_PKMFADDRESS_H_
 
+#define PKMF_ADDRESS_MINIMUM_LENGTH 2
+#define PKMF_ADDRESS_MAXIMUM_LENGTH 5
+
+//typedef struct pkmf_s{
+//uint8_t digit1:8;
+//uint8_t digit2:8;
+//uint8_t digit3:8;
+//uint8_t digit4:8;
+//}pkmf_t;
+
+//typedef pkmf_t pkmfaddress_t;
+
+
 typedef struct pkmf_address_s {
-  uint8_t  spare:5;
-#define ADDRESS_TYPE  001
-  uint8_t  addresstype:3;
-#define PKMF_IPV4_ADDRESS
-  //uint32_t  pkmfipv4address;
-  uint32_t  pkmfipv4address;
+uint8_t  spare:5;
+#define ADDRESS_TYPE_IPV4 0b001
+#define ADDRESS_TYPE_IPV6 0b010
+uint8_t  addresstype:3;
+#define PKMF_IP_ADDRESS
+union {
+struct in_addr ipv4;  // char ipv4[4]; 4 bytes
+struct in6_addr ipv6; // char ipv6[16] // 16 bytes
+}pkmfipaddress;
+//pkmfaddress_t  pkmfipv4address;
 }pkmf_address_t;
 
 
@@ -26,5 +45,6 @@ int encode_pkmf_address(pkmf_address_t *pkmfaddress, uint8_t iei, uint8_t *buffe
 
 int decode_pkmf_address(pkmf_address_t *pkmfaddress, uint8_t iei, uint8_t *buffer, uint32_t len);
 
+void dump_pkmf_address_xml(pkmf_address_t *pkmfaddress, uint8_t iei);
 
 #endif /* OPENAIR3_NAS_COMMON_IES_PKMFADDRESS_H_ */

openair3/NAS/COMMON/IES/RemoteUEContext.c

@@ -9,10 +9,11 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include "RemoteUEContext.h"
+#include "RemoteUserID.h"
 #include "TLVEncoder.h"
 #include "TLVDecoder.h"
 #include "nas_log.h"
-//#include "RemoteUserID.h"
+
 
 
 
@@ -117,19 +118,19 @@ int encode_remote_ue_context(
 	        imsi->num_digits += 2;
 	        if (decoded < ie_len)
 	        {
-	          imsi->identity_digit4 = *(buffer + decoded) & 0xf;
-	          imsi->num_digits++;
-	          imsi->identity_digit5 = (*(buffer + decoded) >> 4) & 0xf;
-	          if ((IMSI_EVEN == imsi->oddeven)  && (imsi->identity_digit5 != 0x0f))
-	          {
-	          return (TLV_DECODE_VALUE_DOESNT_MATCH);
-	          }
-	          else
-	          {
-	           imsi->num_digits++;
-	          }
-	          decoded++;
-	          if (decoded < ie_len)
+	         imsi->identity_digit4 = *(buffer + decoded) & 0xf;
+	         imsi->num_digits++;
+	         imsi->identity_digit5 = (*(buffer + decoded) >> 4) & 0xf;
+	         if ((IMSI_EVEN == imsi->oddeven)  && (imsi->identity_digit5 != 0x0f))
+	         {
+	         return (TLV_DECODE_VALUE_DOESNT_MATCH);
+	         }
+	         else
+	         {
+	         imsi->num_digits++;
+	         }
+	         decoded++;
+	         if (decoded < ie_len)
 	          {
 	            imsi->identity_digit6 = *(buffer + decoded) & 0xf;
 	            imsi->num_digits++;
@@ -218,6 +219,7 @@ int nas_encode_imsi (imsi_identity_t * imsi, uint8_t * buffer)
   *(buffer + encoded) = 0x00 | (imsi->identity_digit3 << 4) | imsi->identity_digit2;
   encoded++;
   // Quick fix, should do a loop, but try without modifying struct!
+
   if (imsi->num_digits > 3) {
     if (imsi->oddeven != IMSI_EVEN) {
       *(buffer + encoded) = 0x00 | (imsi->identity_digit5 << 4) | imsi->identity_digit4;

openair3/NAS/COMMON/IES/RemoteUEContext.h

@@ -48,7 +48,7 @@ typedef struct remote_ue_context_s {
 #define EVEN_IDENTITY 0
 #define ODD_IDENTITY  1
 		uint8_t oddevenindic:1;
-		bool     flags_present;
+		uint8_t     flags_present;
         imsi_identity_t *imsi_identity;
 }remote_ue_context_t;
 

openair3/NAS/COMMON/IES/RemoteUserID.c

@@ -94,13 +94,13 @@ int encode_remote_user_id(
 		lenPtr = (buffer + encoded);
 		encoded++;
 		if(remoteuserid->spare_instance){
-		*(buffer + encoded) = 0x00 | ((remoteuserid->spare & 0x1) << 4) | (remoteuserid->instance & 0x1);
+		*(buffer + encoded) = 0x00 | ((remoteuserid->spare & 0x1f) << 4) | (remoteuserid->instance & 0x1f);
 	    encoded++;
 
 	 }
 
 		if(remoteuserid->flags_present){
-		*(buffer + encoded) =  ((remoteuserid->spare1 & 0x7) << 2) | // spare coded as zero
+		*(buffer + encoded) =  ((remoteuserid->spare1 & 0x3f) << 2) | // spare coded as zero
 		((remoteuserid->imeif  & 0x1) << 1) |
 		(remoteuserid->msisdnf & 0x1);
 		encoded++;

openair3/NAS/COMMON/IES/RemoteUserID.h

@@ -47,7 +47,7 @@ typedef struct imsi_identity_s {
   uint8_t  num_digits;
 } imsi_identity_t;
 
-typedef imsi_identity_t;
+//#define imsi_identity_t;
 
 
 typedef struct remote_user_id_s {
@@ -60,8 +60,8 @@ typedef struct remote_user_id_s {
 #define REMOTE_USER_ID_MSISDN  0
   uint8_t  msisdnf:1;
 
-  bool     flags_present;
-  bool     spare_instance;
+  uint8_t     flags_present;
+  uint8_t     spare_instance;
   imsi_identity_t *imsi_identity;
 }remote_user_id_t;
 

openair3/NAS/TEST/AS_SIMULATOR/nas_data.c

@@ -198,6 +198,8 @@ const char* esmMsgType(int type)
     return "ESM_INFORMATION_RESPONSE";
   } else if (type == ESM_STATUS) {
     return "ESM_STATUS";
+  }else if (type == REMOTE_UE_REPORT) {
+	  return "REMOTE_UE_REPORT";
   } else {
     return "Unknown ESM message type";
   }

openair3/NAS/TEST/AS_SIMULATOR/nas_process.c

@@ -112,6 +112,7 @@ static int _deactivate_eps_bearer_context_request(char* buffer, int length, cons
 static int _deactivate_eps_bearer_context_accept(char* buffer, int length, const deactivate_eps_bearer_context_accept_msg* msg);
 
 static int _esm_status(char* buffer, int length, const esm_status_msg* msg);
+static int _remote_ue_report(char* buffer, int length, const remote_ue_report_msg* msg);
 
 /****************************************************************************/
 /******************  E X P O R T E D    F U N C T I O N S  ******************/
@@ -781,6 +782,12 @@ _nas_process_esm(
              &msg->deactivate_eps_bearer_context_accept);
     break;
 
+  case REMOTE_UE_REPORT:
+      index += _remote_ue_report(buffer + index, length - index,
+               &msg->remote_ue_report);
+      break;
+
+
   case ESM_STATUS:
     index += _esm_status(buffer + index, length - index,
                          &msg->esm_status);
@@ -1036,6 +1043,23 @@ _deactivate_eps_bearer_context_accept(
   return (index);
 }
 
+/*
+-----------------------------------------------------------------------------
+ *    Process Deactivate EPS Bearer Context Accept
+ *-----------------------------------------------------------------------------
+ */
+static int
+_remote_ue_report
+(char* buffer,
+	int length,
+	const remote_ue_report_msg* msg)
+{
+  int index = 0;
+
+  return (index);
+}
+
+
 /*
  *-----------------------------------------------------------------------------
  *        Process ESM Status

openair3/NAS/TEST/NETWORK/network_simulator.c

@@ -227,6 +227,7 @@ static int _process_pdn_disconnect_request(const pdn_disconnect_request_msg* msg
 static int _process_activate_default_eps_bearer_context_accept(const activate_default_eps_bearer_context_accept_msg* msg);
 static int _process_activate_default_eps_bearer_context_reject(const activate_default_eps_bearer_context_reject_msg* msg);
 static int _process_deactivate_eps_bearer_context_accept(const deactivate_eps_bearer_context_accept_msg* msg);
+static int _process_remote_ue_report(remote_ue_report_msg* msg);
 
 static void _dump_buffer(const Byte_t* buffer, size_t len)
 {
@@ -962,6 +963,11 @@ static int _process_esm_msg(ESM_msg* msg)
            &msg->activate_default_eps_bearer_context_reject);
     break;
 
+  case REMOTE_UE_REPORT:
+      rc = _process_remote_ue_report(
+             &msg->remote_ue_report);
+      break;
+
   case DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT:
     rc = _process_deactivate_eps_bearer_context_accept(
            &msg->deactivate_eps_bearer_context_accept);
@@ -1163,6 +1169,22 @@ static int _process_activate_default_eps_bearer_context_reject(const activate_de
   return (0);
 }
 
+/*
+ * Process Remote UE Report ESM message
+ */
+static int _process_remote_ue_report(remote_ue_report_msg* msg)
+{
+  printf("Remote UE Report\n");
+  printf("INFO\t:\tProtocolDiscriminator\t\t= %d\n", msg->protocoldiscriminator);
+  printf("INFO\t:\tEpsBearerIdentity\t\t= %d\n", msg->epsbeareridentity);
+  printf("INFO\t:\tProcedureTransactionIdentity\t= %d\n", msg->proceduretransactionidentity);
+  //printf("INFO\t:\tMessageType\t\t\t= 0x%.2x\n", msg->messagetype);
+  //printf("INFO\t:\tESM cause\t\t\t= %d\n", msg->esmcause);
+
+  return (0);
+}
+
+
 /*
  * Process Deactivate EPS Bearer Context Accept ESM message
  */

openair3/NAS/UE/ESM/PdnConnectivity.c

@@ -158,8 +158,7 @@ int esm_proc_pdn_connectivity(nas_user_t *user, int cid, int is_to_define,
 
         LOG_FUNC_RETURN(rc);
     } else if (pti != NULL) {
-        LOG_TRACE(INFO, "ESM-PROC  - Assign new procedure transaction identity "
-                  "(cid=%d)", cid);
+        LOG_TRACE(INFO, "ESM-PROC  - Assign new procedure transaction identity ""(cid=%d)", cid);
         /* Assign new procedure transaction identity */
         *pti = esm_pt_assign(esm_pt_data);
 

openair3/NAS/UE/ESM/RemoteUeReport.c

@@ -80,13 +80,14 @@ int esm_proc_remote_ue_report(nas_user_t *user,int cid, unsigned int *pti)
 {
     LOG_FUNC_IN;
     int rc = RETURNerror;
-    int pid = cid - 1;
+    int pid;
+    //int pid = cid - 1;
     esm_data_t *esm_data = user-> esm_data;
     esm_pt_data_t *esm_pt_data = user-> esm_pt_data;
 
     if (pti != NULL)
     {
-  	LOG_TRACE(INFO, "ESM-PROC  - Assign new procedure transaction identity ");
+  	LOG_TRACE(INFO, "ESM-PROC  - Assign new procedure transaction identity ""(cid=%d)", cid);
    	/* Assign new procedure transaction identity */
    	*pti = esm_pt_assign(esm_pt_data);
 
@@ -105,3 +106,56 @@ int esm_proc_remote_ue_report(nas_user_t *user,int cid, unsigned int *pti)
     }
     LOG_FUNC_RETURN(rc);
 }
+
+
+
+
+/****************************************************************************
+ **                                                                        **
+ ** Name:    esm_proc_remote_ue_report_low_layer                       **
+ **                                                                        **
+ ** Description: Initiates Remote UE Report procedure					**
+ **                                                                        **
+ **                                                                        **
+ **              3GPP TS 24.301, section 6.5.1.2                           **
+ **      The Relay UE requests send Remote UE Report message to inform
+ **      the network about a new Off network UE.                         **
+ **                                                            **
+ **                                                                        **
+ ** Inputs:  is_standalone: Indicates whether the Remote UE Report     **
+ **             procedure is initiated as part of the at-  **
+ **             tach procedure                             **
+ **      pti:       Procedure transaction identity             **
+ **      msg:       Encoded Remote UE Report message   **
+ **                  to be sent                                 **
+ **      sent_by_ue:    Not used - Always TRUE                     **
+ **      Others:    None                                       **
+ **                                                                        **
+ ** Outputs:     None                                                      **
+ **      Return:    RETURNok, RETURNerror                      **
+ **      Others:    None                                       **
+ **                                                                        **
+ ***************************************************************************/
+int esm_proc_remote_ue_report_low_layer(nas_user_t *user, int is_standalone, int pti,
+                                      OctetString *msg)
+{
+    LOG_FUNC_IN;
+    esm_pt_data_t *esm_pt_data = user->esm_pt_data;
+    int rc = RETURNok;
+
+    LOG_TRACE(INFO, "ESM-PROC  - Initiate Remote UE Report (pti=%d)", pti);
+
+    if (is_standalone) {
+        emm_sap_t emm_sap;
+        emm_esm_data_t *emm_esm = &emm_sap.u.emm_esm.u.data;
+        /*
+         * Notity EMM that ESM PDU has to be forwarded to lower layers
+         */
+        emm_sap.primitive = EMMESM_UNITDATA_REQ;
+        emm_sap.u.emm_esm.ueid = user->ueid;
+        emm_esm->msg.length = msg->length;
+        emm_esm->msg.value = msg->value;
+        rc = emm_sap_send(user, &emm_sap);
+    }
+    LOG_FUNC_RETURN(rc);
+}

openair3/NAS/UE/ESM/SAP/esm_sap.c

@@ -161,17 +161,21 @@ int esm_sap_send(nas_user_t *user, esm_sap_t *msg)
 
   switch (primitive) {
   case ESM_REMOTE_UE_REPORT_REQ:
+  //case ESM_REMOTE_UE_REPORT:
   {
 	  esm_remote_ue_report_t *remote_ue_report = &msg->data.remote_ue_report;
-      unsigned int pti = 0;
+      unsigned int pti;
       int cid;
       /* Assign new procedure transaction identity */
       rc = esm_proc_remote_ue_report(user, cid, &pti);
+
+
       rc = _esm_sap_send(user, REMOTE_UE_REPORT,
                          msg->is_standalone,
                          pti, EPS_BEARER_IDENTITY_UNASSIGNED,
                          &msg->data, &msg->send);
   }
+
   break;
 
   case ESM_PDN_CONNECTIVITY_REQ:
@@ -773,12 +777,19 @@ static int _esm_sap_send(nas_user_t *user, int msg_type, int is_standalone,
   case BEARER_RESOURCE_MODIFICATION_REQUEST:
     break;
 
-  case REMOTE_UE_REPORT:
-	  esm_msg.header.message_type = REMOTE_UE_REPORT;
-	  rc = esm_send_remote_ue_report(ebi, &esm_msg.remote_ue_report);
-	  //#error "TODO"//
+  case REMOTE_UE_REPORT: {
+	  	  /*
+	       * Process Remote UE Report message to send to the MME
+	       */
+	 const esm_remote_ue_report_t *msg = &data->remote_ue_report; // test message
+	 //esm_msg.header.message_type = REMOTE_UE_REPORT;
+	 rc = esm_send_remote_ue_report(ebi, &esm_msg.remote_ue_report);
+	 /* Setup callback function used to send Remote UE Report
+	  * message onto the network */
+     esm_procedure = esm_proc_remote_ue_report_low_layer;
+	 //#error "TODO"//
     break;
-
+  }
   default:
     LOG_TRACE(WARNING, "ESM-SAP - Send unexpected ESM message 0x%x",
               msg_type);

openair3/NAS/UE/ESM/SAP/esm_sapDef.h

@@ -78,6 +78,7 @@ typedef enum esm_primitive_s {
   /* ESM data indication ("raw" ESM message) */
   ESM_UNITDATA_IND,
   ESM_REMOTE_UE_REPORT_REQ,
+  //ESM_REMOTE_UE_REPORT,
   ESM_END
 } esm_primitive_t;
 
@@ -142,7 +143,7 @@ typedef struct esm_eps_bearer_context_deactivate_s {
  * ---------------------------------------------------------
  */
 typedef struct esm_remote_ue_report_s {
-  unsigned int dummy;
+  int pkmfaddress;
 } esm_remote_ue_report_t;
 
 /*

openair3/NAS/UE/ESM/SAP/esm_send.c

@@ -478,14 +478,25 @@ int esm_send_remote_ue_report(int ebi,
 		remote_ue_report_msg *msg)
 {
   LOG_FUNC_IN;
-
+  //uint32_t testip [4] = {0,1,2,3};
   /* Mandatory - ESM message header */
   msg->protocoldiscriminator = EPS_SESSION_MANAGEMENT_MESSAGE;
   msg->epsbeareridentity = ebi;
-  //msg->messagetype = DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT;
+  msg->messagetype = REMOTE_UE_REPORT;
   msg->proceduretransactionidentity = PROCEDURE_TRANSACTION_IDENTITY_UNASSIGNED;
   /* Optional IEs  */
-  msg->pkmfaddress.pkmfipv4address = 0;
+  //msg->pkmfaddress   ;
+ //{
+  /* Optional IEs  */
+  msg->presencemask = 0;
+  msg->presencemask |= REMOTE_UE_CONTEXT_PRESENT;
+  msg->remoteuecontext;
+  msg->presencemask = 0;
+  msg->presencemask |= REMOTE_UE_REPORT_PKMF_ADDRESS_PRESENT;
+  msg->pkmfaddress;
+  //#define ADDRESS_TYPE_IPV4 0b001
+  //msg ->pkmfaddress.addresstype==ADDRESS_TYPE_IPV4;
+ //}
 
   LOG_TRACE(INFO, "ESM-SAP   - Send Remote UE Report message"
             " message (pti=%d, ebi=%d)",
@@ -494,9 +505,6 @@ int esm_send_remote_ue_report(int ebi,
   LOG_FUNC_RETURN(RETURNok);
 }
 
-
-
-
 /****************************************************************************/
 /*********************  L O C A L    F U N C T I O N S  *********************/
 /****************************************************************************/

openair3/NAS/UE/ESM/esm_proc.h

@@ -123,6 +123,8 @@ int esm_proc_status(nas_user_t *user, int is_standalone, int pti, OctetString *m
  * --------------------------------------------------------------------------
  */
 int esm_proc_remote_ue_report(nas_user_t *user,int cid, unsigned int *pti);
+int esm_proc_remote_ue_report_low_layer(nas_user_t *user, int is_standalone, int pti,
+                                      OctetString *msg);
 /*
  * --------------------------------------------------------------------------
  *          PDN connectivity procedure

openair3/NAS/UE/nas_itti_messaging.c

@@ -83,6 +83,7 @@ static const uint8_t esm_message_ids[] = {
   ESM_INFORMATION_REQUEST,
   ESM_INFORMATION_RESPONSE,
   ESM_STATUS,
+  REMOTE_UE_REPORT,
 };
 
 

openair3/NAS/UE/nas_proc.c

@@ -1416,8 +1416,9 @@ int _nas_proc_remote_ue_report(nas_user_t *user, int cid)
    * for the specified PDN
    */
   esm_sap.primitive = ESM_REMOTE_UE_REPORT_REQ;
+  //esm_sap.primitive = ESM_REMOTE_UE_REPORT;
   esm_sap.is_standalone = TRUE;
-  esm_sap.data.remote_ue_report.dummy = 0;
+  esm_sap.data.remote_ue_report.pkmfaddress = 0;
   rc = esm_sap_send(user, &esm_sap);
 
   LOG_FUNC_RETURN (rc);

openair3/NAS/UE/nas_ue_task.c

@@ -206,14 +206,14 @@ void *nas_ue_task(void *args_p)
         //for Remote UE Report
 
       case NAS_REMOTE_UE_REPORT: {
-    	  int cid = 0; // unused now
+    	  int cid = 1; // unused now
     	  int UEid = 0;
     	  int ret = nas_proc_remote_ue_report_test(user, cid); // generate NAS PDU (remote ue report)
 
     	  // To send remote ue report to be sent by  RRC UE to CN
     	  //int nas_itti_ul_data_req(const uint32_t ue_id, void *const data, const uint32_t length, int user_id);
-    	  uint8_t testdata [] = {0,1,2,3};
-    	  nas_itti_ul_data_req(UEid, testdata, sizeof(testdata));
+    	  //uint8_t testdata [] = {0,1,2,5};
+    	  //nas_itti_ul_data_req(UEid, testdata, sizeof(testdata));
     	  LOG_I(NAS, "[UE %d] Received NAS REMOTE UE REPORT %s: \n", Mod_id,  ITTI_MSG_NAME (msg_p));
     	          /* TODO not processed by NAS currently */
       }