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/* GSM 08.08 like API for OpenBSC */
#ifndef OPENBSC_BSC_API_H
#define OPENBSC_BSC_API_H
#include "gsm_data.h"
#define BSC_API_CONN_POL_ACCEPT 0
#define BSC_API_CONN_POL_REJECT 1
struct bsc_api {
/*! \brief BTS->MSC: tell MSC a SAPI was not established */
void (*sapi_n_reject)(struct gsm_subscriber_connection *conn, int dlci);
/*! \brief MS->MSC: Tell MSC that ciphering has been enabled */
void (*cipher_mode_compl)(struct gsm_subscriber_connection *conn,
struct msgb *msg, uint8_t chosen_encr);
/*! \brief MS->MSC: New MM context with L3 payload */
int (*compl_l3)(struct gsm_subscriber_connection *conn,
struct msgb *msg, uint16_t chosen_channel);
/*! \brief MS->BSC/MSC: Um L3 message */
void (*dtap)(struct gsm_subscriber_connection *conn, uint8_t link_id,
struct msgb *msg);
/*! \brief BSC->MSC: Assignment of lchan successful */
void (*assign_compl)(struct gsm_subscriber_connection *conn,
uint8_t rr_cause, uint8_t chosen_channel,
uint8_t encr_alg_id, uint8_t speech_mode);
/*! \brief BSC->MSC: Assignment of lchan failed */
void (*assign_fail)(struct gsm_subscriber_connection *conn,
uint8_t cause, uint8_t *rr_cause);
/*! \brief BSC->MSC: RR conn has been cleared */
int (*clear_request)(struct gsm_subscriber_connection *conn,
uint32_t cause);
/*! \brief BSC->MSC: Classmark Update */
void (*classmark_chg)(struct gsm_subscriber_connection *conn,
const uint8_t *cm2, uint8_t cm2_len,
const uint8_t *cm3, uint8_t cm3_len);
/**
* Configure the multirate setting on this channel. If it is
* not implemented AMR5.9 will be used.
*/
void (*mr_config)(struct gsm_subscriber_connection *conn,
struct gsm_lchan *lchan, int full_rate);
/** Callback for additional actions during conn cleanup */
void (*conn_cleanup)(struct gsm_subscriber_connection *conn);
};
uint8_t lchan_to_chosen_channel(struct gsm_lchan *lchan);
uint8_t chan_mode_to_speech(struct gsm_lchan *lchan);
int bsc_api_init(struct gsm_network *network, struct bsc_api *api);
int gsm0808_submit_dtap(struct gsm_subscriber_connection *conn, struct msgb *msg, int link_id, int allow_sacch);
int gsm0808_assign_req(struct gsm_subscriber_connection *conn, int chan_mode, int full_rate);
int gsm0808_cipher_mode(struct gsm_subscriber_connection *conn, int cipher,
const uint8_t *key, int len, int include_imeisv);
int gsm0808_page(struct gsm_bts *bts, unsigned int page_group,
unsigned int mi_len, uint8_t *mi, int chan_type);
int gsm0808_clear(struct gsm_subscriber_connection *conn);
int gsm0408_rcvmsg(struct msgb *msg, uint8_t link_id);
#endif
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