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/* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file proto_NB_IoT.h
* \brief RRC functions prototypes for eNB and UE for NB-IoT
* \author Navid Nikaein, Raymond Knopp and Michele Paffetti
* \date 2010 - 2014
* \email navid.nikaein@eurecom.fr, michele.paffetti@studio.unibo.it
* \version 1.0
*/
/** \addtogroup _rrc
* @{
*/
#include "RRC/LTE/defs_NB_IoT.h"
#include "pdcp.h"
#include "rlc.h"
#include "extern_NB_IoT.h"
#include "LAYER2/MAC/defs_NB_IoT.h"
/*NOTE: no static function should be declared in this header file (e.g. init_SI_NB)*/
/*------------------------common_nb_iot.c----------------------------------------*/
/** \brief configure BCCH & CCCH Logical Channels and associated rrc_buffers, configure associated SRBs
*/
void openair_rrc_on_NB_IoT(const protocol_ctxt_t* const ctxt_pP);
void rrc_config_buffer_NB_IoT(SRB_INFO_NB_IoT *srb_info, uint8_t Lchan_type, uint8_t Role);
int L3_xface_init_NB_IoT(void);
void openair_rrc_top_init_eNB_NB_IoT(void);
//void rrc_top_cleanup(void); -->seems not to be used
//rrc_t310_expiration-->seems not to be used
/** \brief Function to update timers every subframe. For UE it updates T300,T304 and T310.
@param ctxt_pP running context
@param enb_index
@param CC_id
*/
RRC_status_t rrc_rx_tx_NB_IoT(protocol_ctxt_t* const ctxt_pP, const uint8_t enb_index, const int CC_id);
//long binary_search_int(int elements[], long numElem, int value);--> seems not to be used
//long binary_search_float(float elements[], long numElem, float value);--> used only at UE side
//---------------------------------------
//defined in L2_interface
//called by rx_sdu only in case of CCCH message (e.g RRCConnectionRequest-NB)
int8_t mac_rrc_data_ind_eNB_NB_IoT(
const module_id_t module_idP,
const int CC_id,
const frame_t frameP,
const sub_frame_t sub_frameP,
const rnti_t rntiP,
const rb_id_t srb_idP,//could be skipped since always go through the CCCH channel
const uint8_t* sduP,
const sdu_size_t sdu_lenP
);
//-------------------------------------------
//defined in L2_interface
void dump_ue_list_NB_IoT(UE_list_NB_IoT_t *listP, int ul_flag);
//-------------------------------------------
//defined in L2_interface
void mac_eNB_rrc_ul_failure_NB_IoT(
const module_id_t mod_idP,
const int CC_idP,
const frame_t frameP,
const sub_frame_t subframeP,
const rnti_t rntiP);
//------------------------------------------
//defined in eNB_scheduler_primitives.c
int rrc_mac_remove_ue_NB_IoT(
module_id_t mod_idP,
rnti_t rntiP);
//------------------------------------------
//defined in L2_interface
void mac_eNB_rrc_ul_in_sync_NB_IoT(
const module_id_t mod_idP,
const int CC_idP,
const frame_t frameP,
const sub_frame_t subframeP,
const rnti_t rntiP);
//------------------------------------------
//defined in L2_interface
int mac_eNB_get_rrc_status_NB_IoT(
const module_id_t Mod_idP,
const rnti_t rntiP
);
//---------------------------
/*-----------eNB procedures (rrc_eNB_nb_iot.c)---------------*/
//---Initialization--------------
void openair_eNB_rrc_on_NB_IoT(
const protocol_ctxt_t* const ctxt_pP
);
void rrc_config_buffer_NB_IoT(
SRB_INFO_NB_IoT* Srb_info,
uint8_t Lchan_type,
uint8_t Role
);
char openair_rrc_eNB_configuration_NB_IoT(
const module_id_t enb_mod_idP,
NbIoTRrcConfigurationReq* configuration
);
//-----------------------------
/**\brief RRC eNB task. (starting of the RRC state machine)
\param void *args_p Pointer on arguments to start the task. */
void *rrc_enb_task_NB_IoT(void *args_p);
/**\brief Entry routine to decode a UL-CCCH-Message-NB. Invokes PER decoder and parses message.
\param ctxt_pP Running context
\param Srb_info Pointer to SRB0 information structure (buffer, etc.)*/
int rrc_eNB_decode_ccch_NB_IoT(
protocol_ctxt_t* const ctxt_pP,
const SRB_INFO_NB_IoT* const Srb_info,
const int CC_id
);
/**\brief Entry routine to decode a UL-DCCH-Message-NB. Invokes PER decoder and parses message.
\param ctxt_pP Context
\param Rx_sdu Pointer Received Message
\param sdu_size Size of incoming SDU*/
int rrc_eNB_decode_dcch_NB_IoT(
const protocol_ctxt_t* const ctxt_pP,
const rb_id_t Srb_id,
const uint8_t* const Rx_sdu,
const sdu_size_t sdu_sizeP
);
/**\brief Generate RRCConnectionReestablishmentReject-NB
\param ctxt_pP Running context
\param ue_context_pP UE context
\param CC_id Component Carrier ID*/
void rrc_eNB_generate_RRCConnectionReestablishmentReject_NB_IoT(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_NB_IoT_t* const ue_context_pP,
const int CC_id
);
void rrc_eNB_generate_RRCConnectionReject_NB_IoT(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_NB_IoT_t* const ue_context_pP,
const int CC_id
);
void rrc_eNB_generate_RRCConnectionSetup_NB_IoT(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_NB_IoT_t* const ue_context_pP,
const int CC_id
);
void rrc_eNB_process_RRCConnectionReconfigurationComplete_NB_IoT(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_NB_IoT_t* ue_context_pP,
const uint8_t xid //transaction identifier
);
void //was under ITTI
rrc_eNB_reconfigure_DRBs_NB_IoT(const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_NB_IoT_t* ue_context_pP);
void //was under ITTI
rrc_eNB_generate_dedicatedRRCConnectionReconfiguration_NB_IoT(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_NB_IoT_t* const ue_context_pP
// const uint8_t ho_state
);
void rrc_eNB_process_RRCConnectionSetupComplete_NB_IoT(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_NB_IoT_t* ue_context_pP,
RRCConnectionSetupComplete_NB_r13_IEs_t * rrcConnectionSetupComplete_NB
);
void rrc_eNB_generate_SecurityModeCommand_NB_IoT(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_NB_IoT_t* const ue_context_pP
);
void rrc_eNB_generate_UECapabilityEnquiry_NB_IoT(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_NB_IoT_t* const ue_context_pP
);
void rrc_eNB_generate_defaultRRCConnectionReconfiguration_NB_IoT(const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_NB_IoT_t* const ue_context_pP
//no HO flag
);
/// Utilities------------------------------------------------
void rrc_eNB_free_UE_NB_IoT(
const module_id_t enb_mod_idP,
const struct rrc_eNB_ue_context_NB_IoT_s* const ue_context_pP
);
void rrc_eNB_free_mem_UE_context_NB_IoT(
const protocol_ctxt_t* const ctxt_pP,
struct rrc_eNB_ue_context_NB_IoT_s* const ue_context_pP
);
/**\brief Function to get the next transaction identifier.
\param module_idP Instance ID for CH/eNB
\return a transaction identifier*/
uint8_t rrc_eNB_get_next_transaction_identifier_NB_IoT(module_id_t module_idP);
int rrc_init_global_param_NB_IoT(void);
//L2_interface.c
int8_t mac_rrc_data_req_eNB_NB_IoT(
const module_id_t Mod_idP,
const int CC_id,
const frame_t frameP,
const frame_t h_frameP,
const sub_frame_t subframeP, //need for the case in which both SIB1-NB_IoT and SIB23-NB_IoT will be scheduled in the same frame
const rb_id_t Srb_id,
uint8_t* const buffer_pP,
uint8_t flag
);