Cedric Roux
3310f5c6b0
This commit introduces an alternative RLC implementation based on 36.322 version 8. AM and UM done, TM not done. See openair2/LAYER2/rlc_v2/TODO for missing parts.
98 lines
3.5 KiB
C
98 lines
3.5 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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#ifndef _RLC_ENTITY_H_
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#define _RLC_ENTITY_H_
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#include <stdint.h>
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#define SDU_MAX 16000 /* maximum PDCP SDU size is 8188, let's take more */
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typedef struct {
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int status_size;
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int tx_size;
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int retx_size;
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} rlc_entity_buffer_status_t;
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typedef struct rlc_entity_t {
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/* functions provided by the RLC module */
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void (*recv_pdu)(struct rlc_entity_t *entity, char *buffer, int size);
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rlc_entity_buffer_status_t (*buffer_status)(
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struct rlc_entity_t *entity, int maxsize);
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int (*generate_pdu)(struct rlc_entity_t *entity, char *buffer, int size);
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void (*recv_sdu)(struct rlc_entity_t *entity, char *buffer, int size,
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int sdu_id);
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void (*set_time)(struct rlc_entity_t *entity, uint64_t now);
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void (*discard_sdu)(struct rlc_entity_t *entity, int sdu_id);
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void (*reestablishment)(struct rlc_entity_t *entity);
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void (*delete)(struct rlc_entity_t *entity);
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/* callbacks provided to the RLC module */
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void (*deliver_sdu)(void *deliver_sdu_data, struct rlc_entity_t *entity,
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char *buf, int size);
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void *deliver_sdu_data;
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void (*sdu_successful_delivery)(void *sdu_successful_delivery_data,
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struct rlc_entity_t *entity,
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int sdu_id);
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void *sdu_successful_delivery_data;
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void (*max_retx_reached)(void *max_retx_reached_data,
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struct rlc_entity_t *entity);
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void *max_retx_reached_data;
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} rlc_entity_t;
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rlc_entity_t *new_rlc_entity_am(
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int rx_maxsize,
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int tx_maxsize,
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void (*deliver_sdu)(void *deliver_sdu_data, struct rlc_entity_t *entity,
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char *buf, int size),
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void *deliver_sdu_data,
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void (*sdu_successful_delivery)(void *sdu_successful_delivery_data,
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struct rlc_entity_t *entity,
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int sdu_id),
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void *sdu_successful_delivery_data,
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void (*max_retx_reached)(void *max_retx_reached_data,
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struct rlc_entity_t *entity),
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void *max_retx_reached_data,
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int t_reordering,
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int t_status_prohibit,
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int t_poll_retransmit,
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int poll_pdu,
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int poll_byte,
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int max_retx_threshold);
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rlc_entity_t *new_rlc_entity_um(
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int rx_maxsize,
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int tx_maxsize,
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void (*deliver_sdu)(void *deliver_sdu_data, struct rlc_entity_t *entity,
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char *buf, int size),
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void *deliver_sdu_data,
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int t_reordering,
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int sn_field_length);
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#endif /* _RLC_ENTITY_H_ */
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