72 lines
4.2 KiB
C
72 lines
4.2 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file rlc_tm_entity.h
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* \brief This file defines the RLC TM variables stored in a struct called rlc_tm_entity_t.
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* \author GAUTHIER Lionel
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* \date 2010-2011
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* \version
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* \note The rlc_tm_entity_t structure store protocol variables, statistic variables, allocation variables, buffers and other miscellaneous variables.
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* \bug
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* \warning
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*/
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# ifndef __RLC_TM_ENTITY_H__
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# define __RLC_TM_ENTITY_H__
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//-----------------------------------------------------------------------------
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# include "platform_types.h"
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# include "platform_constants.h"
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# include "rlc_tm_structs.h"
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# include "rlc_def.h"
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//-----------------------------------------------------------------------------
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/*! \struct rlc_tm_entity_t
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* \brief Structure containing a RLC TM instance protocol variables, allocation variables, buffers and other miscellaneous variables.
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*/
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typedef struct rlc_tm_entity {
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boolean_t allocation; /*!< \brief Boolean for rlc_tm_entity_t struct allocation. */
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rlc_protocol_state_t protocol_state; /*!< \brief Protocol state, can be RLC_NULL_STATE, RLC_DATA_TRANSFER_READY_STATE, RLC_LOCAL_SUSPEND_STATE. */
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boolean_t is_uplink_downlink; /*!< \brief Is this instance is a transmitter, a receiver or both? */
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boolean_t is_data_plane; /*!< \brief To know if the RLC belongs to a data radio bearer or a signalling radio bearer, for statistics and trace purpose. */
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// for stats and trace purpose :
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logical_chan_id_t channel_id; /*!< \brief Transport channel identifier. */
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rb_id_t rb_id; /*!< \brief Radio bearer identifier, for statistics and trace purpose. */
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//boolean_t is_enb; /*!< \brief To know if the RLC belongs to a eNB or UE. */
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//-----------------------------
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// tranmission
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//-----------------------------
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// sdu communication;
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mem_block_t **input_sdus; /*!< \brief Input SDU buffer (for SDUs coming from upper layers). Should be accessed as an array. */
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mem_block_t *input_sdus_alloc; /*!< \brief Allocated memory for the input SDU buffer (for SDUs coming from upper layers). */
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uint16_t size_input_sdus_buffer; /*!< \brief Size of the input SDU buffer. */
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uint16_t nb_sdu; /*!< \brief Total number of SDUs in input_sdus[] */
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uint16_t next_sdu_index; /*!< \brief Next SDU index for a new incomin SDU in input_sdus[]. */
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uint16_t current_sdu_index; /*!< \brief Current SDU index in input_sdus array to be segmented. */
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list_t pdus_to_mac_layer; /*!< \brief PDUs buffered for transmission to MAC layer. */
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sdu_size_t rlc_pdu_size;
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rlc_buffer_occupancy_t buffer_occupancy; /*!< \brief Number of bytes contained in input_sdus buffer.*/
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//-----------------------------
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// receiver
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//-----------------------------
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unsigned int output_sdu_size_to_write; /*!< \brief Size of the reassemblied SDU. */
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mem_block_t *output_sdu_in_construction; /*!< \brief Memory area where a complete SDU is reassemblied before being send to upper layers. */
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} rlc_tm_entity_t;
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/** @} */
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# endif
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