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#ifndef _OSMOCOM_L1SAP_H
#define _OSMOCOM_L1SAP_H
#include <osmocom/core/prim.h>
/*! \brief LAPDm 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 */
};
/*! \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 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} */
struct ph_data_param {
uint8_t link_id; /*!< \brief Link Identifier (Like RSL) */
uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
};
/*! \brief for PH-CONN.ind */
struct ph_conn_ind_param {
uint32_t fn; /*!< \brief GSM Frame Number */
};
/*! \brief primitive header for LAPDm PH-SAP primitives */
struct osmo_phsap_prim {
struct osmo_prim_hdr oph; /*!< \brief generic primitive header */
union {
struct ph_data_param data;
struct ph_rach_req_param rach_req;
struct ph_rach_ind_param rach_ind;
struct ph_conn_ind_param conn_ind;
} u; /*!< \brief request-specific data */
};
#endif /* _OSMOCOM_L1SAP_H */
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