mirror of https://gerrit.osmocom.org/libosmocore
151 lines
5.3 KiB
C
151 lines
5.3 KiB
C
#pragma once
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#include <osmocom/core/prim.h>
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/*! \brief PH-SAP related primitives (L1<->L2 SAP) */
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enum osmo_ph_prim {
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PRIM_PH_DATA, /*!< \brief PH-DATA */
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PRIM_PH_RACH, /*!< \brief PH-RANDOM_ACCESS */
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PRIM_PH_CONN, /*!< \brief PH-CONNECT */
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PRIM_PH_EMPTY_FRAME, /*!< \brief PH-EMPTY_FRAME */
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PRIM_PH_RTS, /*!< \brief PH-RTS */
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PRIM_MPH_INFO, /*!< \brief MPH-INFO */
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PRIM_TCH, /*!< \brief TCH */
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PRIM_TCH_RTS, /*!< \brief TCH */
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};
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extern const struct value_string osmo_ph_prim_names[];
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/*! \brief PH-SAP related primitives (L1<->L2 SAP) */
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enum osmo_mph_info_type {
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PRIM_INFO_TIME, /*!< \brief Current GSM time */
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PRIM_INFO_MEAS, /*!< \brief Measurement indication */
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PRIM_INFO_ACTIVATE, /*!< \brief Activation of channel */
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PRIM_INFO_DEACTIVATE, /*!< \brief Deactivation of channel */
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PRIM_INFO_MODIFY, /*!< \brief Mode Modify of channel */
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PRIM_INFO_ACT_CIPH, /*!< \brief Activation of ciphering */
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PRIM_INFO_DEACT_CIPH, /*!< \brief Deactivation of ciphering */
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};
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/*! \brief PH-DATA presence information */
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enum osmo_ph_pres_info_type {
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PRES_INFO_INVALID = 0, /*!< \brief Data is invalid */
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PRES_INFO_HEADER = 1, /*!< \brief Only header is present and valid */
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PRES_INFO_FIRST = 3, /*!< \brief First half of data + header are valid (2nd half may be present but invalid) */
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PRES_INFO_SECOND = 5, /*!< \brief Second half of data + header are valid (1st halfmay be present but invalid) */
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PRES_INFO_BOTH = 7, /*!< \brief Both parts + header are present and valid */
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PRES_INFO_UNKNOWN
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};
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/*! \brief for PH-RANDOM_ACCESS.req */
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struct ph_rach_req_param {
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uint8_t ra; /*!< \brief Random Access */
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uint8_t ta; /*!< \brief Timing Advance */
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uint8_t tx_power; /*!< \brief Transmit Power */
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uint8_t is_combined_ccch;/*!< \brief Are we using a combined CCCH? */
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uint16_t offset; /*!< \brief Timing Offset */
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};
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/*! \brief for PH_RA_IND burstType inforamtion */
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enum ph_burst_type {
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GSM_L1_BURST_TYPE_NONE = 0,
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GSM_L1_BURST_TYPE_ACCESS_0,
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GSM_L1_BURST_TYPE_ACCESS_1,
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GSM_L1_BURST_TYPE_ACCESS_2
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};
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/*! \brief for PH-RANDOM_ACCESS.ind */
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struct ph_rach_ind_param {
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uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
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uint16_t ra; /*!< \brief Random Access */
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uint8_t acc_delay; /*!< \brief Delay in bit periods */
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uint32_t fn; /*!< \brief GSM Frame Number at time of RA */
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uint8_t is_11bit; /*!< \brief no.of bits in RACH*/
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enum ph_burst_type burst_type; /*!< \brief type of burst*/
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};
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/*! \brief for PH-[UNIT]DATA.{req,ind} | PH-RTS.ind */
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struct ph_data_param {
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uint8_t link_id; /*!< \brief Link Identifier (Like RSL) */
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uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
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uint32_t fn; /*!< \brief GSM Frame Number */
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int8_t rssi; /*!< \brief RSSI of receivedindication */
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uint16_t ber10k; /*!< \brief BER in units of 0.01% */
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int16_t ta_offs_qbits; /* !< \brief Burst TA Offset in quarter bits */
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int16_t lqual_cb; /* !< \brief Link quality in centiBel */
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enum osmo_ph_pres_info_type pdch_presence_info; /*!< \brief Info regarding presence/validity of header and data parts */
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};
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/*! \brief for TCH.{req,ind} | TCH-RTS.ind */
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struct ph_tch_param {
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uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
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uint32_t fn; /*!< \brief GSM Frame Number */
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int8_t rssi; /*!< \brief RSSI of received indication */
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uint8_t marker; /*!< \brief RTP Marker bit (speech onset indicator) */
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};
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/*! \brief for PH-CONN.ind */
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struct ph_conn_ind_param {
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uint32_t fn; /*!< \brief GSM Frame Number */
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};
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/*! \brief for TIME MPH-INFO.ind */
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struct info_time_ind_param {
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uint32_t fn; /*!< \brief GSM Frame Number */
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};
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/*! \brief for MEAS MPH-INFO.ind */
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struct info_meas_ind_param {
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uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
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uint32_t fn; /*!< \brief GSM Frame Number */
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uint16_t ber10k; /*!< \brief BER in units of 0.01% */
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int16_t ta_offs_qbits; /*!< \brief timing advance offset (in qbits) */
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int16_t c_i_cb; /*!< \brief C/I ratio in 0.1 dB */
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uint8_t is_sub:1; /*!< \brief flags */
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uint8_t inv_rssi; /*!< \brief RSSI in dBm * -1 */
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};
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/*! \brief for {ACTIVATE,DEACTIVATE,MODIFY} MPH-INFO.req */
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struct info_act_req_param {
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uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
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uint8_t sacch_only; /*!< \breif Only deactivate SACCH */
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};
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/*! \brief for {ACTIVATE,DEACTIVATE} MPH-INFO.cnf */
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struct info_act_cnf_param {
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uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
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uint8_t cause; /*!< \brief RSL cause in case of nack */
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};
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/*! \brief for {ACTIVATE,DEACTIVATE} MPH-INFO.{req,cnf} */
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struct info_ciph_req_param {
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uint8_t chan_nr; /*!< \brief Channel Number (Like RSL) */
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uint8_t downlink; /*!< \brief Apply to downlink */
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uint8_t uplink; /*!< \brief Apply to uplink */
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};
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/*! \brief for MPH-INFO.ind */
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struct mph_info_param {
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enum osmo_mph_info_type type; /*!< \brief Info message type */
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union {
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struct info_time_ind_param time_ind;
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struct info_meas_ind_param meas_ind;
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struct info_act_req_param act_req;
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struct info_act_cnf_param act_cnf;
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struct info_ciph_req_param ciph_req;
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} u;
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};
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/*! \brief primitive header for PH-SAP primitives */
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struct osmo_phsap_prim {
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struct osmo_prim_hdr oph; /*!< \brief generic primitive header */
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union {
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struct ph_data_param data;
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struct ph_tch_param tch;
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struct ph_rach_req_param rach_req;
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struct ph_rach_ind_param rach_ind;
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struct ph_conn_ind_param conn_ind;
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struct mph_info_param info;
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} u; /*!< \brief request-specific data */
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};
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