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#ifndef _OSMOCOM_L1SAP_H
#define _OSMOCOM_L1SAP_H
#include <osmocom/core/prim.h>
/*! \brief PH-SAP related primitives (L1<->L2 SAP) */
enum osmo_ph_prim {
PRIM_PH_DATA, /*!< \brief PH-DATA */
PRIM_PH_RACH, /*!< \brief PH-RANDOM_ACCESS */
PRIM_PH_CONN, /*!< \brief PH-CONNECT */
PRIM_PH_EMPTY_FRAME, /*!< \brief PH-EMPTY_FRAME */
PRIM_PH_RTS, /*!< \brief PH-RTS */
PRIM_MPH_INFO, /*!< \brief MPH-INFO */
PRIM_TCH, /*!< \brief TCH */
PRIM_TCH_RTS, /*!< \brief TCH */
};
/*! \brief PH-SAP related primitives (L1<->L2 SAP) */
enum osmo_mph_info_type {
PRIM_INFO_TIME, /*!< \brief Current GSM time */
PRIM_INFO_MEAS, /*!< \brief Measurement indication */
PRIM_INFO_ACTIVATE, /*!< \brief Activation of channel */
PRIM_INFO_DEACTIVATE, /*!< \brief Deactivation of channel */
PRIM_INFO_MODIFY, /*!< \brief Mode Modify of channel */
PRIM_INFO_ACT_CIPH, /*!< \brief Activation of ciphering */
PRIM_INFO_DEACT_CIPH, /*!< \brief Deactivation of ciphering */
};
/*! \brief for PH-RANDOM_ACCESS.req */
struct ph_rach_req_param {
uint8_t ra; /*!< \brief Random Access */
uint8_t ta; /*!< \brief Timing Advance */
uint8_t tx_power; /*!< \brief Transmit Power */
uint8_t is_combined_ccch;/*!< \brief Are we using a combined CCCH? */
uint16_t offset; /*!< \brief Timing Offset */
};
/*! \brief for PH-RANDOM_ACCESS.ind */
struct ph_rach_ind_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint8_t ra; /*!< \brief Random Access */
uint8_t acc_delay; /*!< \brief Delay in bit periods */
uint32_t fn; /*!< \brief GSM Frame Number at time of RA */
};
/*! \brief for PH-[UNIT]DATA.{req,ind} | PH-RTS.ind */
struct ph_data_param {
uint8_t link_id; /*!< \brief Link Identifier (Like RSL) */
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint32_t fn; /*!< \brief GSM Frame Number */
int8_t rssi; /*!< \brief RSSI of receivedindication */
};
/*! \brief for TCH.{req,ind} | TCH-RTS.ind */
struct ph_tch_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint32_t fn; /*!< \brief GSM Frame Number */
int8_t rssi; /*!< \brief RSSI of received indication */
};
/*! \brief for PH-CONN.ind */
struct ph_conn_ind_param {
uint32_t fn; /*!< \brief GSM Frame Number */
};
/*! \brief for TIME MPH-INFO.ind */
struct info_time_ind_param {
uint32_t fn; /*!< \brief GSM Frame Number */
};
/*! \brief for MEAS MPH-INFO.ind */
struct info_meas_ind_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint16_t ber10k; /*!< \brief BER in units of 0.01% */
int16_t ta_offs_qbits; /*!< \brief timing advance offset (in qbits) */
int16_t c_i_cb; /*!< \brief C/I ratio in 0.1 dB */
uint8_t is_sub:1; /*!< \brief flags */
uint8_t inv_rssi; /*!< \brief RSSI in dBm * -1 */
};
/*! \brief for {ACTIVATE,DEACTIVATE,MODIFY} MPH-INFO.req */
struct info_act_req_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint8_t sacch_only; /*!< \breif Only deactivate SACCH */
};
/*! \brief for {ACTIVATE,DEACTIVATE} MPH-INFO.cnf */
struct info_act_cnf_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint8_t cause; /*!< \brief RSL cause in case of nack */
};
/*! \brief for {ACTIVATE,DEACTIVATE} MPH-INFO.{req,cnf} */
struct info_ciph_req_param {
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
uint8_t downlink; /*!< \brief Apply to downlink */
uint8_t uplink; /*!< \brief Apply to uplink */
};
/*! \brief for MPH-INFO.ind */
struct mph_info_param {
enum osmo_mph_info_type type; /*!< \brief Info message type */
union {
struct info_time_ind_param time_ind;
struct info_meas_ind_param meas_ind;
struct info_act_req_param act_req;
struct info_act_cnf_param act_cnf;
struct info_ciph_req_param ciph_req;
} u;
};
/*! \brief primitive header for PH-SAP primitives */
struct osmo_phsap_prim {
struct osmo_prim_hdr oph; /*!< \brief generic primitive header */
union {
struct ph_data_param data;
struct ph_tch_param tch;
struct ph_rach_req_param rach_req;
struct ph_rach_ind_param rach_ind;
struct ph_conn_ind_param conn_ind;
struct mph_info_param info;
} u; /*!< \brief request-specific data */
};
#endif /* _OSMOCOM_L1SAP_H */
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