207 lines
7.5 KiB
C
207 lines
7.5 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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/*! \file rlc_primitives.h
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* \brief This file contains constants definition for RLC primitives.
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* \author GAUTHIER Lionel
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* \date 2010-2011
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* \version
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* \note
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* \bug
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* \warning
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*/
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#ifndef __RLC_PRIMITIVES_H__
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# define __RLC_PRIMITIVES_H__
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# include <stdio.h>
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# include <stdlib.h>
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# include "platform_types.h"
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# include "platform_constants.h"
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# include "mem_block.h"
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# define RLC_NO_SAP RLC_NONE
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# define RLC_AM_SAP RLC_MODE_AM
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# define RLC_UM_SAP RLC_MODE_UM
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# define RLC_TM_SAP RLC_MODE_TM
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//----------------------------------------------------------
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// primitives
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//----------------------------------------------------------
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# define RLC_AM_DATA_REQ 0x01
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# define RLC_UM_DATA_REQ 0x02
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# define RLC_TM_DATA_REQ 0x04
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# define RLC_AM_DATA_IND 0x08
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# define RLC_UM_DATA_IND 0x10
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# define RLC_TM_DATA_IND 0x20
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# define RLC_AM_DATA_CNF 0x40
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//----------------------------------------------------------
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// control primitives
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//----------------------------------------------------------
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# define CRLC_CONFIG_REQ 0x81
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# define CRLC_SUSPEND_REQ 0x82
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# define CRLC_SUSPEND_CONF 0x84
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# define CRLC_RESUME_REQ 0x88
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# define CRLC_STATUS_IND 0x90
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//----------------------------------------------------------
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// primitives definition
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//----------------------------------------------------------
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# define RLC_AM_SDU_MNGT_LAST_PDU_SN_EXTENDS_ABOVE_CONF_TX_WINDOW 0X4000
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# define RLC_AM_SDU_MNGT_LAST_PDU_SN_UNKNOWN 0X8000
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# define RLC_TX_CONFIRM_SUCCESSFULL 0xCF
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# define RLC_TX_CONFIRM_FAILURE 0xFA
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struct rlc_am_data_req {
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//struct rlc_am_sdu_management sdu_mngt;
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uint32_t mui;
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uint16_t data_size; // in bytes
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uint16_t data_offset; // beginning of payload data may not start just after the header (PDCP header compression, etc)
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uint8_t conf; // confirm of sdu delivery to the peer entity
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};
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struct rlc_tm_data_req {
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uint16_t data_size; // in bits
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uint16_t data_offset; // beginning of payload data may not start just after the header (PDCP header compression, etc)
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};
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struct rlc_um_data_req {
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uint16_t data_size; // in bytes
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uint16_t data_offset; // beginning of payload data may not start just after the header (PDCP header compression, etc)
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uint8_t use_special_li;
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};
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typedef struct rlc_am_data_req rlc_am_data_req_t;
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typedef struct rlc_tm_data_req rlc_tm_data_req_t;
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typedef struct rlc_um_data_req rlc_um_data_req_t;
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//----------------------------------------------------------
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// control primitives definition
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//----------------------------------------------------------
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# define RLC_E_R_RELEASE 0x00
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# define RLC_E_R_MODIFICATION 0x01
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# define RLC_E_R_ESTABLISHMENT 0x02
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# define RLC_E_R_RE_ESTABLISHMENT 0x04
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# define RLC_STOP 0x08
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# define RLC_CONTINUE 0x10
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# define RLC_TM_SEGMENTATION_NOT_ALLOWED 0x00
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# define RLC_TM_SEGMENTATION_ALLOWED 0x01
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# define RLC_TM_DELIVERY_OF_ERRONEOUS_SDU_NO 0x01
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# define RLC_TM_DELIVERY_OF_ERRONEOUS_SDU_YES 0x02
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# define RLC_TM_DELIVERY_OF_ERRONEOUS_SDU_NO_DETECT 0x04
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struct rlc_am_parameters {
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uint8_t rb_id;
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uint8_t e_r; // reestablishment, release or modification of the rlc
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uint8_t stop;
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uint8_t cont; // continue
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// timers
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uint32_t *frame_tick_milliseconds;
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uint16_t timer_poll;
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uint16_t timer_poll_prohibit;
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uint16_t timer_epc;
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uint16_t timer_discard;
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uint16_t timer_poll_periodic;
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uint16_t timer_status_prohibit;
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uint16_t timer_status_periodic;
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uint16_t timer_rst;
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uint8_t max_rst;
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uint16_t timer_mrw;
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// protocol_parameters
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uint16_t pdu_size; // in bits
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uint8_t missing_pdu_indicator;
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uint8_t in_sequence_delivery; // no action : this version always deliver sdus in sequence
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uint16_t max_dat;
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uint16_t poll_pdu;
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uint16_t poll_sdu;
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uint8_t poll_window; // in percent of the window
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uint16_t configured_tx_window_size;
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uint16_t configured_rx_window_size;
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uint16_t max_mrw;
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uint8_t last_transmission_pdu_poll_trigger;
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uint8_t last_retransmission_pdu_poll_trigger;
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uint8_t sdu_discard_mode;
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uint8_t send_mrw;
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};
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struct rlc_um_parameters {
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uint32_t *frame_tick_milliseconds;
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uint8_t rb_id;
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uint8_t e_r; // reestablishment, release or modification of the rlc
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uint8_t stop;
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uint8_t cont; // continue
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uint8_t sdu_discard_mode;
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uint16_t timer_discard;
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uint16_t size_input_sdus_buffer;
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};
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struct rlc_tm_parameters {
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uint32_t *frame_tick_milliseconds;
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uint8_t rb_id;
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uint8_t e_r; // reestablishment, release or modification of the rlc
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uint8_t sdu_discard_mode;
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uint8_t segmentation_indication;
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uint8_t delivery_of_erroneous_sdu;
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uint16_t timer_discard;
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uint16_t size_input_sdus_buffer;
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};
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struct crlc_config_req {
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union {
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struct rlc_am_parameters am_parameters;
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struct rlc_um_parameters um_parameters;
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struct rlc_tm_parameters tm_parameters;
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} parameters;
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};
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struct crlc_suspend_conf {
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uint16_t vt_s_or_vt_us;
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};
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struct crlc_resume_req {
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// no parameters
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uint8_t todo;
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};
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struct crlc_status_ind {
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uint16_t evc;
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};
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struct crlc_primitive {
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uint8_t type;
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union {
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struct crlc_config_req c_config_req;
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struct crlc_suspend_conf c_suspend_conf;
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struct crlc_resume_req c_resume_req;
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struct crlc_status_ind c_status_ind;
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} primitive;
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};
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#endif
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