add ConnectionRelease message and introduction of SRB1bis, some bug fixed,...

add ConnectionRelease message and introduction of SRB1bis,  some bug fixed, code not tested (may not compile)

openair2/RRC/LITE/MESSAGES/asn1_msg_nb_iot.h

@@ -289,3 +289,12 @@ uint8_t do_RRCConnectionReestablishment_NB(
 		const LTE_DL_FRAME_PARMS* const frame_parms, //to be changed
 		SRB_ToAddModList_NB_r13_t**             SRB_configList_NB
 		 );
+
+/**
+\brief Generate an RRCConnectionRelease-NB DL-DCCH-Message (eNB)
+@param Mod_id Module ID of eNB
+@param buffer Pointer to PER-encoded ASN.1 description of DL-DCCH-Message PDU
+@param transaction_id Transaction index
+@returns Size of encoded bit stream in bytes*/
+
+uint8_t do_RRCConnectionRelease_NB(uint8_t Mod_id, uint8_t *buffer,int Transaction_id);

openair2/RRC/LITE/defs_nb_iot.h

@@ -355,9 +355,7 @@ typedef struct eNB_RRC_UE_NB_s {
   //in NB-IoT only SRB0, SRB1 and SRB1bis (until AS security activation) exist
 
   SRB_ToAddModList_NB_r13_t*                SRB_configList;//for SRB1 and SRB1bis
-//  SRB_ToAddModList_NB_r13_t*                SRB1_configList_NB; //for SRB1
-//  SRB_ToAddModList_NB_r13_t*				SRB1bis_configList_NB; //only for SRB1bis
-  SRB_ToAddModList_NB_r13_t*                SRB_configList2[RRC_TRANSACTION_IDENTIFIER_NUMBER]; //only for SRB1
+  SRB_ToAddModList_NB_r13_t*                SRB1_configList[RRC_TRANSACTION_IDENTIFIER_NUMBER]; //only for SRB1
   DRB_ToAddModList_NB_r13_t*                DRB_configList; //for all the DRBs
   DRB_ToAddModList_NB_r13_t*                DRB_configList2[RRC_TRANSACTION_IDENTIFIER_NUMBER]; //for the configured DRBs of a xid
   uint8_t                            		DRB_active[2];//in LTE was 8 --> at most 2 for NB-IoT
@@ -734,7 +732,7 @@ typedef struct eNB_RRC_INST_NB_s {
 //
 //} UE_RRC_INST;
 
-#include "proto_nb_iot.h"
+#include "proto_nb_iot.h" //should be put here otherwise compilation error
 
 #endif
 /** @} */

openair2/RRC/LITE/vars.h

@@ -68,7 +68,7 @@ unsigned short Data_to_read;
 
 #define MAX_U32 0xFFFFFFFF
 
-uint8_t DRB2LCHAN[8]; //max can be 2 DRBs for NB_IoT
+uint8_t DRB2LCHAN[8]; //max can be 2 DRBs for NB_IoT --> it used for saving the LCID of DRBs
 
 long logicalChannelGroup0 = 0;
 long  logicalChannelSR_Mask_r9=0;