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/*
* 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
*/
#include <stdint.h>
#ifndef _NR_PDCP_ENTITY_H_
#define _NR_PDCP_ENTITY_H_
typedef struct nr_pdcp_entity_t {
/* functions provided by the PDCP module */
void (*recv_pdu)(struct nr_pdcp_entity_t *entity, char *buffer, int size);
void (*recv_sdu)(struct nr_pdcp_entity_t *entity, char *buffer, int size,
int sdu_id);
void (*delete)(struct nr_pdcp_entity_t *entity);
void (*set_integrity_key)(struct nr_pdcp_entity_t *entity, char *key);
/* callbacks provided to the PDCP module */
void (*deliver_sdu)(void *deliver_sdu_data, struct nr_pdcp_entity_t *entity,
char *buf, int size);
void *deliver_sdu_data;
void (*deliver_pdu)(void *deliver_pdu_data, struct nr_pdcp_entity_t *entity,
char *buf, int size, int sdu_id);
void *deliver_pdu_data;
int tx_hfn;
int next_nr_pdcp_tx_sn;
int maximum_nr_pdcp_sn;
/* security */
int has_ciphering;
int has_integrity;
int ciphering_algorithm;
int integrity_algorithm;
unsigned char ciphering_key[16];
unsigned char integrity_key[16];
void *security_context;
void (*cipher)(void *security_context,
unsigned char *buffer, int length,
int bearer, int count, int direction);
void (*free_security)(void *security_context);
/* security algorithms need to know uplink/downlink information
* which is reverse for gnb and ue, so we need to know if this
* pdcp entity is for a gnb or an ue
*/
int is_gnb;
} nr_pdcp_entity_t;
nr_pdcp_entity_t *new_nr_pdcp_entity_srb(
int is_gnb, int rb_id,
void (*deliver_sdu)(void *deliver_sdu_data, struct nr_pdcp_entity_t *entity,
char *buf, int size),
void *deliver_sdu_data,
void (*deliver_pdu)(void *deliver_pdu_data, struct nr_pdcp_entity_t *entity,
char *buf, int size, int sdu_id),
void *deliver_pdu_data);
nr_pdcp_entity_t *new_nr_pdcp_entity_drb_am(
int is_gnb, int rb_id,
void (*deliver_sdu)(void *deliver_sdu_data, struct nr_pdcp_entity_t *entity,
char *buf, int size),
void *deliver_sdu_data,
void (*deliver_pdu)(void *deliver_pdu_data, struct nr_pdcp_entity_t *entity,
char *buf, int size, int sdu_id),
void *deliver_pdu_data,
int sn_size,
int t_reordering,
int discard_timer,
int ciphering_algorithm,
int integrity_algorithm,
unsigned char *ciphering_key,
unsigned char *integrity_key);
void nr_DRB_preconfiguration(uint16_t crnti);
#endif /* _NR_PDCP_ENTITY_H_ */