Files
2023-04-19 22:12:08 +02:00

85 lines
3.2 KiB
C

/*
* 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
*/
#ifndef _NR_RLC_PDU_H_
#define _NR_RLC_PDU_H_
/**************************************************************************/
/* RX PDU management */
/**************************************************************************/
typedef struct nr_rlc_pdu_t {
int sn;
char *data; /* contains only SDU bytes, no PDU header */
int size; /* size of SDU data, no PDU header bytes counted */
int so;
int is_first;
int is_last;
struct nr_rlc_pdu_t *next;
} nr_rlc_pdu_t;
nr_rlc_pdu_t *nr_rlc_new_pdu(int sn, int so, int is_first,
int is_last, char *data, int size);
void nr_rlc_free_pdu(nr_rlc_pdu_t *pdu);
nr_rlc_pdu_t *nr_rlc_pdu_list_add(
int (*sn_compare)(void *, int, int), void *sn_compare_data,
nr_rlc_pdu_t *list, nr_rlc_pdu_t *pdu);
/**************************************************************************/
/* PDU decoder */
/**************************************************************************/
typedef struct {
int error;
int byte; /* next byte to decode */
int bit; /* next bit in next byte to decode */
char *buffer;
int size;
} nr_rlc_pdu_decoder_t;
void nr_rlc_pdu_decoder_init(nr_rlc_pdu_decoder_t *decoder,
char *buffer, int size);
#define nr_rlc_pdu_decoder_in_error(d) ((d)->error == 1)
int nr_rlc_pdu_decoder_get_bits(nr_rlc_pdu_decoder_t *decoder, int count);
/**************************************************************************/
/* PDU encoder */
/**************************************************************************/
typedef struct {
int byte; /* next byte to encode */
int bit; /* next bit in next byte to encode */
unsigned char *buffer;
int size;
} nr_rlc_pdu_encoder_t;
void nr_rlc_pdu_encoder_init(nr_rlc_pdu_encoder_t *encoder,
char *buffer, int size);
void nr_rlc_pdu_encoder_put_bits(nr_rlc_pdu_encoder_t *encoder,
int value, int count);
#endif /* _NR_RLC_PDU_H_ */