rlc.h 36.4 KB
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/*******************************************************************************
Eurecom OpenAirInterface 2
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Licence    
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Copyright(c) 1999 - 2014 Eurecom
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This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.

This program is distributed in the hope it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
more details.

You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

The full GNU General Public License is included in this distribution in
the file called "COPYING".

Contact Information
Openair Admin: openair_admin@eurecom.fr
Openair Tech : openair_tech@eurecom.fr
Forums       : http://forums.eurecom.fsr/openairinterface
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Address      : EURECOM,
               Campus SophiaTech,
               450 Route des Chappes,
               CS 50193
               06904 Biot Sophia Antipolis cedex,
               FRANCE
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*******************************************************************************/
/*! \file rlc.h
* \brief This file, and only this file must be included by external code that interact with RLC layer.
* \author GAUTHIER Lionel
* \date 2010-2011
* \version
* \note
* \bug
* \warning
*/
/** @defgroup _rlc_impl_ RLC Layer Reference Implementation
* @ingroup _ref_implementation_
* @{
*/
#ifndef __RLC_H__
#    define __RLC_H__

#    include "platform_types.h"
#    include "platform_constants.h"
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#    include "hashtable.h"
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#    include "rlc_am.h"
#    include "rlc_um.h"
#    include "rlc_tm.h"
#    include "rlc_am_structs.h"
#    include "rlc_tm_structs.h"
#    include "rlc_um_structs.h"
#    include "asn1_constants.h"
#    include "UTIL/LOG/log.h"
#    include "mem_block.h"
#    include "PHY/defs.h"
#    include "RLC-Config.h"
#    include "DRB-ToAddMod.h"
#    include "DRB-ToAddModList.h"
#    include "SRB-ToAddMod.h"
#    include "SRB-ToAddModList.h"
#ifdef Rel10
#include "PMCH-InfoList-r9.h"
#endif

//-----------------------------------------------------------------------------
#    ifdef RLC_MAC_C
#        define private_rlc_mac(x) x
#        define public_rlc_mac(x) x
#    else
#        define private_rlc_mac(x)
#        define public_rlc_mac(x) extern x
#    endif

#    ifdef RLC_MPLS_C
#        define private_rlc_mpls(x) x
#        define public_rlc_mpls(x) x
#    else
#        define private_rlc_mpls(x)
#        define public_rlc_mpls(x) extern x
#    endif

#    ifdef RLC_RRC_C
#        define private_rlc_rrc(x) x
#        define public_rlc_rrc(x) x
#    else
#        define private_rlc_rrc(x)
#        define public_rlc_rrc(x) extern x
#    endif

#    ifdef RLC_C
#        define private_rlc(x) x
#        define protected_rlc(x) x
#        define public_rlc(x) x
#    else
#        define private_rlc(x)
#        if defined(RLC_MAC_C) || defined(RLC_MPLS_C) || defined(RLC_RRC_C) || defined(RLC_AM_C) || defined(RLC_TM_C) || defined(RLC_UM_C) || defined (PDCP_C)
#            define protected_rlc(x) extern x
#        else
#            define protected_rlc(x)
#        endif
#        define public_rlc(x) extern x
#    endif

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//-----------------------------------------------------------------------------
#define  RLC_OP_STATUS_OK                1
#define  RLC_OP_STATUS_BAD_PARAMETER     22
#define  RLC_OP_STATUS_INTERNAL_ERROR    2
#define  RLC_OP_STATUS_OUT_OF_RESSOURCES 3

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#define  RLC_MUI_UNDEFINED     (mui_t)0
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#define  RLC_RB_UNALLOCATED    (rb_id_t)0
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#define  RLC_LC_UNALLOCATED    (logical_chan_id_t)0
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//-----------------------------------------------------------------------------
//   PUBLIC RLC CONSTANTS
//-----------------------------------------------------------------------------

typedef enum rlc_confirm_e {
  RLC_SDU_CONFIRM_NO    = 0,
  RLC_SDU_CONFIRM_YES   = 1,
} rlc_confirm_t;

typedef enum rlc_mode_e {
  RLC_MODE_NONE    = 0,
  RLC_MODE_AM      = 1,
  RLC_MODE_UM      = 2,
  RLC_MODE_TM      = 4
} rlc_mode_t;
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/*! \struct  rlc_info_t
* \brief Structure containing RLC protocol configuration parameters.
*/
typedef volatile struct {
  rlc_mode_t             rlc_mode;
  union {
      rlc_am_info_t              rlc_am_info; /*!< \sa rlc_am.h. */
      rlc_tm_info_t              rlc_tm_info; /*!< \sa rlc_tm.h. */
      rlc_um_info_t              rlc_um_info; /*!< \sa rlc_um.h. */
  }rlc;
} rlc_info_t;

/*! \struct  mac_rlc_status_resp_t
* \brief Primitive exchanged between RLC and MAC informing about the buffer occupancy of the RLC protocol instance.
*/
typedef  struct {
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    rlc_buffer_occupancy_t       bytes_in_buffer; /*!< \brief Bytes buffered in RLC protocol instance. */
    rlc_buffer_occupancy_t       pdus_in_buffer;  /*!< \brief Number of PDUs buffered in RLC protocol instance (OBSOLETE). */
    frame_t                      head_sdu_creation_time;           /*!< \brief Head SDU creation time. */
    sdu_size_t                   head_sdu_remaining_size_to_send;  /*!< \brief remaining size of sdu: could be the total size or the remaining size of already segmented sdu */
    boolean_t                    head_sdu_is_segmented;	    /*!< \brief 0 if head SDU has not been segmented, 1 if already segmeneted */
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} mac_rlc_status_resp_t;


/*! \struct  mac_rlc_max_rx_header_size_t
* \brief Usefull only for debug scenario where we connect 2 RLC protocol instances without the help of the MAC .
*/
typedef struct {
  union {
    struct rlc_am_rx_pdu_management dummy1;
    struct rlc_tm_rx_pdu_management dummy2;
    //struct rlc_um_rx_pdu_management dummy3;
    struct mac_tb_ind dummy4;
    struct mac_rx_tb_management dummy5;
  } dummy;
} mac_rlc_max_rx_header_size_t;

//-----------------------------------------------------------------------------
//   PRIVATE INTERNALS OF RLC
//-----------------------------------------------------------------------------

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#define  RLC_MAX_MBMS_LC (maxSessionPerPMCH * maxServiceCount)
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#define  RLC_MAX_LC  ((max_val_DRB_Identity+1)* NUMBER_OF_UE_MAX)
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protected_rlc(void (*rlc_rrc_data_ind)(
    const module_id_t eNB_inst,
    const module_id_t UE_inst,
    const frame_t     frameP,
    const eNB_flag_t  eNB_flagP,
    const rb_id_t     rb_idP,
    const sdu_size_t  sdu_sizeP,
    uint8_t   * const sduP);)

protected_rlc(void (*rlc_rrc_data_conf)(
    const module_id_t     eNB_inst,
    const module_id_t     UE_inst,
    const eNB_flag_t      eNB_flagP,
    const rb_id_t         rb_idP,
    const mui_t           muiP,
    const rlc_tx_status_t statusP);)

typedef void (rrc_data_ind_cb_t)(
                  const module_id_t eNB_inst,
                  const module_id_t UE_inst,
                  const frame_t     frameP,
                  const eNB_flag_t  eNB_flagP,
                  const rb_id_t     rb_idP,
                  const sdu_size_t  sdu_sizeP,
                  uint8_t   * const sduP);

typedef void (rrc_data_conf_cb_t)(
                  const module_id_t     eNB_inst,
                  const module_id_t     UE_inst,
                  const eNB_flag_t      eNB_flagP,
                  const rb_id_t         rb_idP,
                  const mui_t           muiP,
                  const rlc_tx_status_t statusP);
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/*! \struct  rlc_t
* \brief Structure to be instanciated to allocate memory for RLC protocol instances.
*/
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typedef struct rlc_union_s {
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    rlc_mode_t           mode;
    union {
        rlc_am_entity_t  am;
        rlc_um_entity_t  um;
        rlc_tm_entity_t  tm;
    } rlc;
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}rlc_union_t;
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typedef struct rlc_mbms_s {
  rb_id_t           rb_id;
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  module_id_t       instanciated_instance;
  rlc_um_entity_t   um;
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} rlc_mbms_t;

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typedef struct rlc_mbms_id_s {
  mbms_service_id_t       service_id;
  mbms_session_id_t       session_id;
} rlc_mbms_id_t;

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#if !defined(Rel10)
#    if !defined(maxServiceCount)
         //unused arrays rlc_mbms_array_ue rlc_mbms_array_eNB
#        define maxServiceCount 1
#    endif
#    if !defined(maxSessionPerPMCH)
         //unused arrays rlc_mbms_array_ue rlc_mbms_array_eNB
#        define maxSessionPerPMCH 1
#    endif
#endif
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//public_rlc(rlc_mbms_t           rlc_mbms_array_ue[NUMBER_OF_UE_MAX][maxServiceCount][maxSessionPerPMCH];)   // some constants from openair2/RRC/LITE/MESSAGES/asn1_constants.h
//public_rlc(rlc_mbms_t           rlc_mbms_array_eNB[NUMBER_OF_eNB_MAX][maxServiceCount][maxSessionPerPMCH];) // some constants from openair2/RRC/LITE/MESSAGES/asn1_constants.h
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public_rlc(rlc_mbms_id_t        rlc_mbms_lcid2service_session_id_ue[NUMBER_OF_UE_MAX][RLC_MAX_MBMS_LC];)    // some constants from openair2/RRC/LITE/MESSAGES/asn1_constants.h
public_rlc(rlc_mbms_id_t        rlc_mbms_lcid2service_session_id_eNB[NUMBER_OF_eNB_MAX][RLC_MAX_MBMS_LC];)  // some constants from openair2/RRC/LITE/MESSAGES/asn1_constants.h
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#define rlc_mbms_enb_get_lcid_by_rb_id(Enb_mOD,rB_iD) rlc_mbms_rbid2lcid_eNB[Enb_mOD][rB_iD]
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;
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#define rlc_mbms_enb_set_lcid_by_rb_id(Enb_mOD,rB_iD,lOG_cH_iD) do { \
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            rlc_mbms_rbid2lcid_eNB[Enb_mOD][rB_iD] = lOG_cH_iD; \
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        } while (0);

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#define rlc_mbms_ue_get_lcid_by_rb_id(uE_mOD,rB_iD) rlc_mbms_rbid2lcid_ue[uE_mOD][rB_iD]
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#define rlc_mbms_ue_set_lcid_by_rb_id(uE_mOD,rB_iD,lOG_cH_iD) do { \
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            AssertFatal(rB_iD<NB_RB_MAX, "INVALID RB ID %u", rB_iD); \
            rlc_mbms_rbid2lcid_ue[uE_mOD][rB_iD] = lOG_cH_iD; \
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        } while (0);

public_rlc(logical_chan_id_t    rlc_mbms_rbid2lcid_ue [NUMBER_OF_UE_MAX][NB_RB_MBMS_MAX];)              /*!< \brief Pairing logical channel identifier with radio bearer identifer. */
public_rlc(logical_chan_id_t    rlc_mbms_rbid2lcid_eNB[NUMBER_OF_eNB_MAX][NB_RB_MBMS_MAX];)              /*!< \brief Pairing logical channel identifier with radio bearer identifer. */


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#define RLC_COLL_KEY_VALUE(eNB_iD, uE_iD, iS_eNB, rB_iD, iS_sRB) \
   ((hash_key_t)eNB_iD             | \
    (((hash_key_t)(uE_iD))  <<  8) | \
    (((hash_key_t)(iS_eNB)) << 16) | \
    (((hash_key_t)(rB_iD))  << 17) | \
    (((hash_key_t)(iS_sRB)) << 25))

// service id max val is maxServiceCount = 16 (asn1_constants.h)

#define RLC_COLL_KEY_MBMS_VALUE(eNB_iD, uE_iD, iS_eNB, sERVICE_ID, sESSION_ID) \
   ((hash_key_t)eNB_iD             | \
    (((hash_key_t)(uE_iD))  <<  8) | \
    (((hash_key_t)(iS_eNB)) << 16) | \
    (((hash_key_t)(sERVICE_ID)) << 24) | \
    (((hash_key_t)(sESSION_ID)) << 29) | \
    (((hash_key_t)(0x0000000000000001))  << 63))

public_rlc(hash_table_t  *rlc_coll_p;)

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/*! \fn tbs_size_t mac_rlc_serialize_tb (char* bufferP, list_t transport_blocksP)
* \brief  Serialize a list of transport blocks coming from RLC in order to be processed by MAC.
* \param[in]  bufferP                 Memory area where the transport blocks have to be serialized.
* \param[in]  transport_blocksP       List of transport blocks.
* \return     The amount of bytes that have been written due to serialization.
*/
private_rlc_mac(tbs_size_t            mac_rlc_serialize_tb   (char*, list_t);)

/*! \fn struct mac_data_ind mac_rlc_deserialize_tb (char* bufferP, tb_size_t tb_sizeP, num_tb_t num_tbP, crc_t *crcsP)
* \brief  Serialize a list of transport blocks coming from RLC in order to be processed by MAC.
* \param[in]  bufferP       Memory area where the transport blocks are serialized.
* \param[in]  tb_sizeP      Size of transport blocks.
* \param[in]  num_tbP       Number of transport blocks.
* \param[in]  crcsP         Array of CRC for each transport block.
* \return     A mac_data_ind structure containing a list of transport blocks.
*/
private_rlc_mac(struct mac_data_ind   mac_rlc_deserialize_tb (char*, tb_size_t, num_tb_t, crc_t *);)


//-----------------------------------------------------------------------------
//   PUBLIC INTERFACE WITH RRC
//-----------------------------------------------------------------------------
#ifdef Rel10
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/*! \fn rlc_op_status_t rrc_rlc_config_asn1_req (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const eNB_flag_t eNB_flagP, const srb_flag_t srb_flagP, const SRB_ToAddMod_t* const srb2addmod, const DRB_ToAddModList_t* const drb2add_listP, const DRB_ToReleaseList_t*  const drb2release_listP, const PMCH_InfoList_r9_t * const pmch_info_listP)
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* \brief  Function for RRC to configure a Radio Bearer.
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* \param[in]  enb_mod_idP        Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP         Virtualized ue module identifier.
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* \param[in]  frameP             Frame index.
* \param[in]  eNB_flagP          Flag to indicate eNB (1) or UE (0)
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* \param[in]  srb2add_listP      SRB configuration list to be created.
* \param[in]  drb2add_listP      DRB configuration list to be created.
* \param[in]  drb2release_listP  DRB configuration list to be released.
* \param[in]  pmch_info_listP    eMBMS pmch info list to be created.
* \return     A status about the processing, OK or error code.
*/
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public_rlc_rrc( rlc_op_status_t rrc_rlc_config_asn1_req (
    const module_id_t,
    const module_id_t,
    const frame_t,
    const eNB_flag_t,
    const SRB_ToAddModList_t* const ,
    const DRB_ToAddModList_t* const ,
    const DRB_ToReleaseList_t* const ,
    const PMCH_InfoList_r9_t * const pmch_info_listP);)
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#else
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/*! \fn rlc_op_status_t rrc_rlc_config_asn1_req (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const eNB_flag_t eNB_flagP, const srb_flag_t srb_flagP, const SRB_ToAddModList_t* const srb2add_listP, const DRB_ToAddModList_t* const drb2add_listP, const DRB_ToReleaseList_t* const drb2release_listP)
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* \brief  Function for RRC to configure a Radio Bearer.
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* \param[in]  enb_mod_idP        Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP         Virtualized ue module identifier.
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* \param[in]  frameP             Frame index.
* \param[in]  eNB_flagP          Flag to indicate eNB (1) or UE (0)
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* \param[in]  srb2add_listP      SRB configuration list to be created.
* \param[in]  drb2add_listP      DRB configuration list to be created.
* \param[in]  drb2release_listP  DRB configuration list to be released.
* \return     A status about the processing, OK or error code.
*/
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public_rlc_rrc( rlc_op_status_t rrc_rlc_config_asn1_req (
    const module_id_t,
    const module_id_t,
    const frame_t,
    const eNB_flag_t,
    const SRB_ToAddModList_t* const ,
    const DRB_ToAddModList_t* const ,
    const DRB_ToReleaseList_t* const );)
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#endif

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/*! \fn void rb_free_rlc_union (void *rlcu_pP)
 * \brief  Free the rlc memory contained in the RLC embedded in the rlc_union_t
 *  struct pointed by of the rlcu_pP parameter. Free the rlc_union_t struct also.
 * \param[in]  rlcu_pP          Pointer on the rlc_union_t struct.
 */
public_rlc_rrc(void
    rb_free_rlc_union (void *rlcu_pP);)


/*! \fn rlc_op_status_t rrc_rlc_remove_rlc   (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const  eNB_flag_t eNB_flagP, const srb_flag_t srb_flagP, const MBMS_flag_t MBMS_flagP, const  rb_id_t rb_idP)
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* \brief  Remove a RLC protocol instance from a radio bearer.
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* \param[in]  enb_mod_idP      Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP       Virtualized ue module identifier.
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* \param[in]  frameP           Frame index.
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* \param[in]  eNB_flagP        Flag to indicate eNB (1) or UE (0)
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* \param[in]  srb_flagP        Flag to indicate SRB (1) or DRB (0)
* \param[in]  MBMS_flag        Flag to indicate whether this is an MBMS service (1) or not (0)
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* \param[in]  rb_idP           Radio bearer identifier.
* \return     A status about the processing, OK or error code.
*/
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private_rlc_rrc(rlc_op_status_t rrc_rlc_remove_rlc   (const module_id_t , const module_id_t , const frame_t , const  eNB_flag_t , const srb_flag_t, const MBMS_flag_t, const  rb_id_t );)
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/*! \fn rlc_union_t*  rrc_rlc_add_rlc   (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const  eNB_flag_t eNB_flagP, const srb_flag_t srb_flagP, const  MBMS_flag_t MBMS_flagP, const  rb_id_t rb_idP, logical_chan_id_t chan_idP, rlc_mode_t rlc_modeP)
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* \brief  Add a RLC protocol instance to a radio bearer.
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* \param[in]  enb_mod_idP      Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP       Virtualized ue module identifier.
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* \param[in]  frameP           Frame index.
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* \param[in]  eNB_flagP        Flag to indicate eNB (1) or UE (0)
* \param[in]  srb_flagP        Flag to indicate SRB (1) or DRB (0)
* \param[in]  MBMS_flag        Flag to indicate whether this is an MBMS service (1) or not (0)
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* \param[in]  rb_idP           Radio bearer identifier.
* \param[in]  chan_idP         Logical channel identifier.
* \param[in]  rlc_modeP        Mode of RLC (AM, UM, TM).
* \return     A status about the processing, OK or error code.
*/
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private_rlc_rrc(rlc_union_t*  rrc_rlc_add_rlc      (const module_id_t, const module_id_t, const frame_t, const  eNB_flag_t, const srb_flag_t,  const  MBMS_flag_t MBMS_flagP, const  rb_id_t, logical_chan_id_t, rlc_mode_t);)

/*! \fn rlc_op_status_t rrc_rlc_config_req (
     const module_id_t enb_mod_idP,
     const module_id_t ue_mod_idP,
     const frame_t frameP,
     const  eNB_flag_t eNB_flagP,
     const srb_flag_t   srb_flagP,
     const MBMS_flag_t  MBMS_flagP,
     config_action_t actionP,
     const  rb_id_t rb_idP,
     rlc_info_t rlc_infoP)
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* \brief  Function for RRC to configure a Radio Bearer.
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* \param[in]  enb_mod_idP      Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP       Virtualized ue module identifier.
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* \param[in]  frameP           Frame index.
* \param[in]  eNB_flagP        Flag to indicate eNB (1) or UE (0)
* \param[in]  srb_flagP        Flag to indicate SRB (1) or DRB (0)
* \param[in]  MBMS_flag        Flag to indicate whether this is an MBMS service (1) or not (0)
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* \param[in]  actionP          Action for this radio bearer (add, modify, remove).
* \param[in]  rb_idP           Radio bearer identifier.
* \param[in]  rlc_infoP        RLC configuration parameters issued from Radio Resource Manager.
* \return     A status about the processing, OK or error code.
*/
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public_rlc_rrc( rlc_op_status_t rrc_rlc_config_req   (
    const module_id_t,
    const module_id_t,
    const frame_t,
    const  eNB_flag_t ,
    const srb_flag_t,
    const MBMS_flag_t,
    config_action_t,
    const  rb_id_t,
    rlc_info_t );)

/*! \fn rlc_op_status_t rrc_rlc_data_req     (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const  eNB_flag_t eNB_flagP, const  MBMS_flag_t MBMS_flagP, const  rb_id_t rb_idP, mui_t muiP, confirm_t confirmP, sdu_size_t sdu_sizeP, char* sduP)
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* \brief  Function for RRC to send a SDU through a Signalling Radio Bearer.
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* \param[in]  enb_mod_idP      Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP       Virtualized ue module identifier.
* \param[in]  frameP            Frame index
* \param[in]  eNB_flagP         Flag to indicate eNB (1) or UE (0)
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* \param[in]  MBMS_flag        Flag to indicate whether this is an MBMS service (1) or not (0)
* \param[in]  rb_idP           Radio bearer identifier.
* \param[in]  muiP             Message Unit identifier.
* \param[in]  confirmP         Boolean, is confirmation requested.
* \param[in]  sdu_sizeP        Size of SDU in bytes.
* \param[in]  sduP             SDU.
* \return     A status about the processing, OK or error code.
*/
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public_rlc_rrc( rlc_op_status_t rrc_rlc_data_req     (const module_id_t, const module_id_t, const frame_t, const  eNB_flag_t, const  MBMS_flag_t, const  rb_id_t, mui_t, confirm_t, sdu_size_t, char *);)
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/*! \fn void  rrc_rlc_register_rrc ( void (*rrc_data_indP)  (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const  eNB_flag_t eNB_flagP, const  rb_id_t rb_idP, sdu_size_t sdu_sizeP, char* sduP), void (*rrc_data_confP) (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const  rb_id_t rb_idP, mui_t muiP, rlc_tx_status_t statusP)
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* \brief  This function is called by RRC to register its DATA-INDICATE and DATA-CONFIRM handlers to RLC layer.
* \param[in]  rrc_data_indP       Pointer on RRC data indicate function.
* \param[in]  rrc_data_confP      Pointer on RRC data confirm callback function.
*/
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public_rlc_rrc(void rrc_rlc_register_rrc (rrc_data_ind_cb_t rrc_data_indP, rrc_data_conf_cb_t rrc_data_confP);)
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//-----------------------------------------------------------------------------
//   PUBLIC INTERFACE WITH MAC
//-----------------------------------------------------------------------------
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/*! \fn tbs_size_t mac_rlc_data_req     (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const  MBMS_flag_t MBMS_flagP, logical_chan_id_t rb_idP, char* bufferP)
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* \brief    Interface with MAC layer, map data request to the RLC corresponding to the radio bearer.
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* \param [in]     enb_mod_idP      Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param [in]     ue_mod_idP       Virtualized ue module identifier.
* \param [in]     frameP            Frame index
* \param [in]     eNB_flagP        Flag to indicate eNB (1) or UE (0)
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* \param [in]     MBMS_flagP       Flag to indicate whether this is the MBMS service (1) or not (0)
* \param [in]     rb_idP           Radio bearer identifier.
* \param [in,out] bufferP          Memory area to fill with the bytes requested by MAC.
* \return     A status about the processing, OK or error code.
*/
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public_rlc_mac(tbs_size_t            mac_rlc_data_req     (const module_id_t, const module_id_t, const frame_t, const  eNB_flag_t, const  MBMS_flag_t, logical_chan_id_t, char*);)
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/*! \fn void mac_rlc_data_ind     (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const  eNB_flag_t eNB_flagP, const  MBMS_flag_t MBMS_flagP, logical_chan_id_t rb_idP, uint32_t frameP, char* bufferP, tb_size_t tb_sizeP, num_tb_t num_tbP, crc_t *crcs)
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* \brief    Interface with MAC layer, deserialize the transport blocks sent by MAC, then map data indication to the RLC instance corresponding to the radio bearer identifier.
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* \param[in]  enb_mod_idP      Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP       Virtualized ue module identifier.
* \param[in]  frameP            Frame index
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* \param[in]  eNB_flagP        Flag to indicate eNB (1) or UE (0)
* \param[in]  MBMS_flagP       Flag to indicate whether this is the MBMS service (1) or not (0)
* \param[in]  rb_idP           Radio bearer identifier.
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* \param[in]  frameP            Frame index.
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* \param[in]  bufferP          Memory area containing the transport blocks sent by MAC.
* \param[in]  tb_sizeP         Size of a transport block in bits.
* \param[in]  num_tbP          Number of transport blocks.
* \param[in]  crcs             Array of CRC decoding.
*/
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public_rlc_mac(void                  mac_rlc_data_ind     (const module_id_t, const module_id_t, const frame_t, const  eNB_flag_t, const  MBMS_flag_t, logical_chan_id_t, char*, tb_size_t, num_tb_t, crc_t* );)
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/*! \fn mac_rlc_status_resp_t mac_rlc_status_ind     (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const  eNB_flag_t eNB_flagP, const  MBMS_flag_t MBMS_flagP, logical_chan_id_t rb_idP, tb_size_t tb_sizeP)
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* \brief    Interface with MAC layer, request and set the number of bytes scheduled for transmission by the RLC instance corresponding to the radio bearer identifier.
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* \param[in]  enb_mod_idP      Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP       Virtualized ue module identifier.
* \param[in]  frameP            Frame index.
* \param[in]  eNB_flagP         Flag to indicate eNB operation (1 true, 0 false)
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* \param[in]  MBMS_flagP       Flag to indicate whether this is the MBMS service (1) or not (0)
* \param[in]  rb_idP           Radio bearer identifier.
* \param[in]  tb_sizeP         Size of a transport block set in bytes.
* \return     The maximum number of bytes that the RLC instance can send in the next transmission sequence.
*/
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public_rlc_mac(mac_rlc_status_resp_t mac_rlc_status_ind   (const module_id_t, const module_id_t, const frame_t, const  eNB_flag_t, const  MBMS_flag_t, logical_chan_id_t, tb_size_t );)
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//-----------------------------------------------------------------------------
//   RLC methods
//-----------------------------------------------------------------------------
/*
 * Prints incoming byte stream in hexadecimal and readable form
 *
 * @param componentP Component identifier, see macros defined in UTIL/LOG/log.h
 * @param dataP      Pointer to data buffer to be displayed
 * @param sizeP      Number of octets in data buffer
 */
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public_rlc(void rlc_util_print_hex_octets(
        const comp_name_t componentP,
        unsigned char* const dataP,
        const signed long sizeP);)
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/*! \fn rlc_op_status_t rlc_data_req     (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const  eNB_flag_t eNB_flagP, const  srb_flag_t srb_flagP,  const  MBMS_flag_t MBMS_flagP, const  rb_id_t rb_idP, mui_t muiP, confirm_t confirmP, sdu_size_t sdu_sizeP, mem_block_t *sduP)
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* \brief    Interface with higher layers, map request to the RLC corresponding to the radio bearer.
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* \param[in]  enb_mod_idP      Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP       Virtualized ue module identifier.
* \param[in]  frameP           Frame index.
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* \param[in]  eNB_flagP        Flag to indicate eNB (1) or UE (0)
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* \param[in]  srb_flagP        Flag to indicate SRB (1) or DRB (0)
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* \param[in]  MBMS_flagP       Flag to indicate whether this is the MBMS service (1) or not (0)
* \param[in]  rb_idP           Radio bearer identifier.
* \param[in]  muiP             Message Unit identifier.
* \param[in]  confirmP         Boolean, is confirmation requested.
* \param[in]  sdu_sizeP        Size of SDU in bytes.
* \param[in]  sduP             SDU.
* \return     A status about the processing, OK or error code.
*/
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public_rlc(rlc_op_status_t rlc_data_req     (
        const module_id_t ,
        const module_id_t ,
        const frame_t ,
        const  eNB_flag_t ,
        const  srb_flag_t,
        const  MBMS_flag_t ,
        const  rb_id_t ,
        const  mui_t ,
        const confirm_t ,
        const sdu_size_t ,
        mem_block_t * const);)

/*! \fn void rlc_data_ind     (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const  eNB_flag_t eNB_flagP, const  srb_flag_t srb_flagP, const  MBMS_flag_t MBMS_flagP, const  rb_id_t rb_idP, const sdu_size_t sdu_sizeP, mem_block_t* sduP) {
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* \brief    Interface with higher layers, route SDUs coming from RLC protocol instances to upper layer instance.
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* \param[in]  enb_mod_idP      Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP       Virtualized ue module identifier.
* \param[in]  frameP           Frame index
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* \param[in]  eNB_flagP        Flag to indicate eNB (1) or UE (0)
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* \param[in]  srb_flagP        Flag to indicate SRB (1) or DRB (0)
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* \param[in]  MBMS_flagP       Flag to indicate whether this is the MBMS service (1) or not (0)
* \param[in]  rb_idP           Radio bearer identifier.
* \param[in]  sdu_sizeP        Size of SDU in bytes.
* \param[in]  sduP             SDU.
*/
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public_rlc(void rlc_data_ind(
        const module_id_t ,
        const module_id_t ,
        const frame_t ,
        const eNB_flag_t ,
        const srb_flag_t,
        const MBMS_flag_t ,
        const rb_id_t,
        const sdu_size_t,
        mem_block_t* const);)


/*! \fn void rlc_data_conf     (const module_id_t enb_mod_idP, const module_id_t ue_mod_idP, const frame_t frameP, const  eNB_flag_t eNB_flagP, const srb_flag_t srb_flagP, const  rb_id_t rb_idP, const mui_t muiP, const rlc_tx_status_t statusP)
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* \brief    Interface with higher layers, confirm to upper layer the transmission status for a SDU stamped with a MUI, scheduled for transmission.
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* \param[in]  enb_mod_idP      Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP       Virtualized ue module identifier.
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* \param[in]  frameP           Frame index
* \param[in]  eNB_flagP        Flag to indicate eNB (1) or UE (0)
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* \param[in]  srb_flagP        Flag to indicate SRB (1) or DRB (0)
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* \param[in]  rb_idP           Radio bearer identifier.
* \param[in]  muiP             Message Unit identifier.
* \param[in]  statusP          Status of the transmission (RLC_SDU_CONFIRM_YES, RLC_SDU_CONFIRM_NO).
*/
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public_rlc(void rlc_data_conf(
        const module_id_t,
        const module_id_t,
        const frame_t,
        const  eNB_flag_t ,
        const  srb_flag_t,
        const  rb_id_t,
        const mui_t,
        const rlc_tx_status_t );)
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/*! \fn rlc_op_status_t rlc_stat_req     (
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                        const module_id_t   enb_mod_idP,
                        const module_id_t   ue_mod_idP,
                        const frame_t       frameP,
                        const  eNB_flag_t    eNB_flagP,
                        const  srb_flag_t    srb_flagP,
                        const  rb_id_t       rb_idP,
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                        unsigned int* stat_tx_pdcp_sdu,
                        unsigned int* stat_tx_pdcp_bytes,
                        unsigned int* stat_tx_pdcp_sdu_discarded,
                        unsigned int* stat_tx_pdcp_bytes_discarded,
                        unsigned int* stat_tx_data_pdu,
                        unsigned int* stat_tx_data_bytes,
                        unsigned int* stat_tx_retransmit_pdu_by_status,
                        unsigned int* stat_tx_retransmit_bytes_by_status,
                        unsigned int* stat_tx_retransmit_pdu,
                        unsigned int* stat_tx_retransmit_bytes,
                        unsigned int* stat_tx_control_pdu,
                        unsigned int* stat_tx_control_bytes,
                        unsigned int* stat_rx_pdcp_sdu,
                        unsigned int* stat_rx_pdcp_bytes,
                        unsigned int* stat_rx_data_pdus_duplicate,
                        unsigned int* stat_rx_data_bytes_duplicate,
                        unsigned int* stat_rx_data_pdu,
                        unsigned int* stat_rx_data_bytes,
                        unsigned int* stat_rx_data_pdu_dropped,
                        unsigned int* stat_rx_data_bytes_dropped,
                        unsigned int* stat_rx_data_pdu_out_of_window,
                        unsigned int* stat_rx_data_bytes_out_of_window,
                        unsigned int* stat_rx_control_pdu,
                        unsigned int* stat_rx_control_bytes,
                        unsigned int* stat_timer_reordering_timed_out,
                        unsigned int* stat_timer_poll_retransmit_timed_out,
                        unsigned int* stat_timer_status_prohibit_timed_out)

* \brief    Request RLC statistics of a particular radio bearer.
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* \param[in]  enb_mod_idP          Virtualized enb module identifier, Not used if eNB_flagP = 0.
* \param[in]  ue_mod_idP           Virtualized ue module identifier.
* \param[in]  frameP
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* \param[in]  eNB_flag             Flag to indicate eNB (1) or UE (0)
* \param[in]  srb_flagP            Flag to indicate signalling radio bearer (1) or data radio bearer (0).
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* \param[in]  rb_idP                       .
* \param[out] stat_tx_pdcp_sdu                     Number of SDUs coming from upper layers.
* \param[out] stat_tx_pdcp_bytes                   Number of bytes coming from upper layers.
* \param[out] stat_tx_pdcp_sdu_discarded           Number of discarded SDUs coming from upper layers.
* \param[out] stat_tx_pdcp_bytes_discarded         Number of discarded bytes coming from upper layers.
* \param[out] stat_tx_data_pdu                     Number of transmitted data PDUs to lower layers.
* \param[out] stat_tx_data_bytes                   Number of transmitted data bytes to lower layers.
* \param[out] stat_tx_retransmit_pdu_by_status     Number of re-transmitted data PDUs due to status reception.
* \param[out] stat_tx_retransmit_bytes_by_status   Number of re-transmitted data bytes due to status reception.
* \param[out] stat_tx_retransmit_pdu               Number of re-transmitted data PDUs to lower layers.
* \param[out] stat_tx_retransmit_bytes             Number of re-transmitted data bytes to lower layers.
* \param[out] stat_tx_control_pdu                  Number of transmitted control PDUs to lower layers.
* \param[out] stat_tx_control_bytes                Number of transmitted control bytes to lower layers.
* \param[out] stat_rx_pdcp_sdu                     Number of SDUs delivered to upper layers.
* \param[out] stat_rx_pdcp_bytes                   Number of bytes delivered to upper layers.
* \param[out] stat_rx_data_pdus_duplicate          Number of duplicate PDUs received.
* \param[out] stat_rx_data_bytes_duplicate         Number of duplicate bytes received.
* \param[out] stat_rx_data_pdu                     Number of received PDUs from lower layers.
* \param[out] stat_rx_data_bytes                   Number of received bytes from lower layers.
* \param[out] stat_rx_data_pdu_dropped             Number of received PDUs from lower layers, then dropped.
* \param[out] stat_rx_data_bytes_dropped           Number of received bytes from lower layers, then dropped.
* \param[out] stat_rx_data_pdu_out_of_window       Number of data PDUs received out of the receive window.
* \param[out] stat_rx_data_bytes_out_of_window     Number of data bytes received out of the receive window.
* \param[out] stat_rx_control_pdu                  Number of control PDUs received.
* \param[out] stat_rx_control_bytes                Number of control bytes received.
* \param[out] stat_timer_reordering_timed_out      Number of times the timer "reordering" has timed-out.
* \param[out] stat_timer_poll_retransmit_timed_out Number of times the timer "poll_retransmit" has timed-out.
* \param[out] stat_timer_status_prohibit_timed_out Number of times the timer "status_prohibit" has timed-out.
*/

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public_rlc(rlc_op_status_t rlc_stat_req     (
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        const module_id_t   enb_mod_idP,
        const module_id_t   ue_mod_idP,
        const frame_t       frameP,
        const eNB_flag_t    eNB_flagP,
        const srb_flag_t    srb_flagP,
        const rb_id_t       rb_idP,
        unsigned int* const stat_tx_pdcp_sdu,
        unsigned int* const stat_tx_pdcp_bytes,
        unsigned int* const stat_tx_pdcp_sdu_discarded,
        unsigned int* const stat_tx_pdcp_bytes_discarded,
        unsigned int* const stat_tx_data_pdu,
        unsigned int* const stat_tx_data_bytes,
        unsigned int* const stat_tx_retransmit_pdu_by_status,
        unsigned int* const stat_tx_retransmit_bytes_by_status,
        unsigned int* const stat_tx_retransmit_pdu,
        unsigned int* const stat_tx_retransmit_bytes,
        unsigned int* const stat_tx_control_pdu,
        unsigned int* const stat_tx_control_bytes,
        unsigned int* const stat_rx_pdcp_sdu,
        unsigned int* const stat_rx_pdcp_bytes,
        unsigned int* const stat_rx_data_pdus_duplicate,
        unsigned int* const stat_rx_data_bytes_duplicate,
        unsigned int* const stat_rx_data_pdu,
        unsigned int* const stat_rx_data_bytes,
        unsigned int* const stat_rx_data_pdu_dropped,
        unsigned int* const stat_rx_data_bytes_dropped,
        unsigned int* const stat_rx_data_pdu_out_of_window,
        unsigned int* const stat_rx_data_bytes_out_of_window,
        unsigned int* const stat_rx_control_pdu,
        unsigned int* const stat_rx_control_bytes,
        unsigned int* const stat_timer_reordering_timed_out,
        unsigned int* const stat_timer_poll_retransmit_timed_out,
        unsigned int* const stat_timer_status_prohibit_timed_out);)
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/*! \fn int rlc_module_init(void)
* \brief    RAZ the memory of the RLC layer, initialize the memory pool manager (mem_block_t structures mainly used in RLC module).
*/
public_rlc(int rlc_module_init(void);)

/** @} */
#ifndef USER_MODE
#define assert(x) ((x)?msg("rlc assertion fails\n"):0)
#endif


#define RLC_FG_COLOR_BLACK            "\e[0;30m"
#define RLC_FG_COLOR_RED              "\e[0;31m"
#define RLC_FG_COLOR_GREEN            "\e[0;32m"
#define RLC_FG_COLOR_ORANGE           "\e[0;33m"
#define RLC_FG_COLOR_BLUE             "\e[0;34m"
#define RLC_FG_COLOR_MAGENTA          "\e[0;35m"
#define RLC_FG_COLOR_CYAN             "\e[0;36m"
#define RLC_FG_COLOR_GRAY_BLACK       "\e[0;37m"
#define RLC_FG_COLOR_DEFAULT          "\e[0;39m"
#define RLC_FG_BRIGHT_COLOR_DARK_GRAY "\e[1;30m"
#define RLC_FG_BRIGHT_COLOR_RED       "\e[1;31m"
#define RLC_FG_BRIGHT_COLOR_GREEN     "\e[1;32m"
#define RLC_FG_BRIGHT_COLOR_YELLOW    "\e[1;33m"
#define RLC_FG_BRIGHT_COLOR_BLUE      "\e[1;34m"
#define RLC_FG_BRIGHT_COLOR_MAGENTA   "\e[1;35m"
#define RLC_FG_BRIGHT_COLOR_CYAN      "\e[1;36m"
#define RLC_FG_BRIGHT_COLOR_WHITE     "\e[1;37m"
#define RLC_FG_BRIGHT_COLOR_DEFAULT   "\e[0;39m"
#define RLC_REVERSE_VIDEO             "\e[7m"
#define RLC_NORMAL_VIDEO              "\e[27m"

#endif