Osmocom's Base Station Controller for 2G mobile networks https://osmocom.org/projects/osmobsc
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osmo-bsc/include/openbsc/abis_rsl.h

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/* GSM Radio Signalling Link messages on the A-bis interface
* 3GPP TS 08.58 version 8.6.0 Release 1999 / ETSI TS 100 596 V8.6.0 */
/* (C) 2008 by Harald Welte <laforge@gnumonks.org>
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _RSL_H
#define _RSL_H
#include <stdbool.h>
#include <osmocom/gsm/protocol/gsm_08_58.h>
#include <osmocom/gsm/gsm_utils.h>
#include <osmocom/gsm/sysinfo.h>
#include <osmocom/core/msgb.h>
struct gsm_bts;
struct gsm_lchan;
struct gsm_subscriber;
struct gsm_bts_trx_ts;
#define GSM48_LEN2PLEN(a) (((a) << 2) | 1)
int rsl_bcch_info(const struct gsm_bts_trx *trx, enum osmo_sysinfo_type si_type, const uint8_t *data, int len);
int rsl_sacch_filling(struct gsm_bts_trx *trx, uint8_t type,
const uint8_t *data, int len);
int rsl_chan_activate(struct gsm_bts_trx *trx, uint8_t chan_nr,
uint8_t act_type,
struct rsl_ie_chan_mode *chan_mode,
struct rsl_ie_chan_ident *chan_ident,
uint8_t bs_power, uint8_t ms_power,
uint8_t ta);
int rsl_chan_activate_lchan(struct gsm_lchan *lchan, uint8_t act_type,
uint8_t ho_ref);
int rsl_chan_mode_modify_req(struct gsm_lchan *ts);
int rsl_encryption_cmd(struct msgb *msg);
int rsl_paging_cmd(struct gsm_bts *bts, uint8_t paging_group, uint8_t len,
uint8_t *ms_ident, uint8_t chan_needed, bool is_gprs);
int rsl_imm_assign_cmd(struct gsm_bts *bts, uint8_t len, uint8_t *val);
int rsl_data_request(struct msgb *msg, uint8_t link_id);
int rsl_establish_request(struct gsm_lchan *lchan, uint8_t link_id);
int rsl_relase_request(struct gsm_lchan *lchan, uint8_t link_id);
/* Ericcson vendor specific RSL extensions */
int rsl_ericsson_imm_assign_cmd(struct gsm_bts *bts, uint32_t tlli, uint8_t len, uint8_t *val);
/* Siemens vendor-specific RSL extensions */
int rsl_siemens_mrpci(struct gsm_lchan *lchan, struct rsl_mrpci *mrpci);
/* ip.access specfic RSL extensions */
int rsl_ipacc_crcx(struct gsm_lchan *lchan);
int rsl_ipacc_mdcx(struct gsm_lchan *lchan, uint32_t ip,
uint16_t port, uint8_t rtp_payload2);
int rsl_ipacc_mdcx_to_rtpsock(struct gsm_lchan *lchan);
int rsl_ipacc_pdch_activate(struct gsm_bts_trx_ts *ts, int act);
int abis_rsl_rcvmsg(struct msgb *msg);
uint64_t str_to_imsi(const char *imsi_str);
int rsl_release_request(struct gsm_lchan *lchan, uint8_t link_id,
enum rsl_rel_mode release_mode);
int rsl_lchan_set_state(struct gsm_lchan *lchan, int);
int rsl_lchan_mark_broken(struct gsm_lchan *lchan, const char *broken);
/* to be provided by external code */
int rsl_deact_sacch(struct gsm_lchan *lchan);
/* BCCH related code */
int rsl_ccch_conf_to_bs_cc_chans(int ccch_conf);
int rsl_ccch_conf_to_bs_ccch_sdcch_comb(int ccch_conf);
int rsl_sacch_info_modify(struct gsm_lchan *lchan, uint8_t type,
const uint8_t *data, int len);
int rsl_chan_bs_power_ctrl(struct gsm_lchan *lchan, unsigned int fpc, int db);
int rsl_chan_ms_power_ctrl(struct gsm_lchan *lchan, unsigned int fpc, int dbm);
/* SMSCB functionality */
int rsl_sms_cb_command(struct gsm_bts *bts, uint8_t chan_number,
struct rsl_ie_cb_cmd_type cb_command,
const uint8_t *data, int len);
/* some Nokia specific stuff */
int rsl_nokia_si_begin(struct gsm_bts_trx *trx);
int rsl_nokia_si_end(struct gsm_bts_trx *trx);
/* required for Nokia BTS power control */
int rsl_bs_power_control(struct gsm_bts_trx *trx, uint8_t channel, uint8_t reduction);
int rsl_release_sapis_from(struct gsm_lchan *lchan, int start,
enum rsl_rel_mode release_mode);
int rsl_start_t3109(struct gsm_lchan *lchan);
int rsl_direct_rf_release(struct gsm_lchan *lchan);
void dyn_ts_init(struct gsm_bts_trx_ts *ts);
int dyn_ts_switchover_start(struct gsm_bts_trx_ts *ts,
enum gsm_phys_chan_config to_pchan);
#endif /* RSL_MT_H */