osmo-msc/include/openbsc/abis_rsl.h

304 lines
7.8 KiB
C

/* 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 General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#ifndef _RSL_H
#define _RSL_H
struct abis_rsl_common_hdr {
u_int8_t msg_discr;
u_int8_t msg_type;
u_int8_t data[0];
} __attribute__ ((packed));
/* Chapter 8.3 */
struct abis_rsl_rll_hdr {
struct abis_rsl_common_hdr c;
u_int8_t ie_chan;
u_int8_t chan_nr;
u_int8_t ie_link_id;
u_int8_t link_id;
u_int8_t data[0];
} __attribute__ ((packed));
/* Chapter 8.3 and 8.4 */
struct abis_rsl_dchan_hdr {
struct abis_rsl_common_hdr c;
u_int8_t ie_chan;
u_int8_t chan_nr;
u_int8_t data[0];
} __attribute__ ((packed));
/* Chapter 9.1 */
#define ABIS_RSL_MDISC_RLL 0x02
#define ABIS_RSL_MDISC_DED_CHAN 0x08
#define ABIS_RSL_MDISC_COM_CHAN 0x0c
#define ABIS_RSL_MDISC_TRX 0x10
#define ABIS_RSL_MDISC_LOC 0x20
#define ABIS_RSL_MDISC_IS_TRANSP(x) (x & 0x01)
/* Chapter 9.2 */
enum abis_rsl_msgtype {
/* Radio Link Layer Management */
RSL_MT_DATA_REQ = 0x01,
RSL_MT_DATA_IND,
RSL_MT_ERROR_IND,
RSL_MT_EST_REQ,
RSL_MT_EST_CONF,
RSL_MT_EST_IND,
RSL_MT_REL_REQ,
RSL_MT_REL_CONF,
RSL_MT_REL_IND,
RSL_MT_UNIT_DATA_REQ,
RSL_MT_UNIT_DATA_IND, /* 0x0b */
/* Common Channel Management / TRX Management */
RSL_MT_BCCH_INFO = 0x11,
RSL_MT_CCCH_LOAD_IND,
RSL_MT_CHAN_RQD,
RSL_MT_DELETE_IND,
RSL_MT_PAGING_CMD,
RSL_MT_IMMEDIATE_ASSIGN_CMD,
RSL_MT_SMS_BC_REQ,
/* empty */
RSL_MT_RF_RES_IND = 0x19,
RSL_MT_SACCH_FILL,
RSL_MT_OVERLOAD,
RSL_MT_ERROR_REPORT,
RSL_MT_SMS_BC_CMD,
RSL_MT_CBCH_LOAD_IND,
RSL_MT_NOT_CMD, /* 0x1f */
/* Dedicate Channel Management */
RSL_MT_CHAN_ACTIV = 0x21,
RSL_MT_CHAN_ACTIV_ACK,
RSL_MT_CHAN_ACTIV_NACK,
RSL_MT_CONN_FAIL,
RSL_MT_DEACTIVATE_SACCH,
RSL_MT_ENCR_CMD,
RSL_MT_HANDO_DET,
RSL_MT_MEAS_RES,
RSL_MT_MODE_MODIFY_REQ,
RSL_MT_MODE_MODIFY_ACK,
RSL_MT_MODE_MODIFY_NACK,
RSL_MT_PHY_CONTEXT_REQ,
RSL_MT_PHY_CONTEXT_CONF,
RSL_MT_RF_CHAN_REL,
RSL_MT_MS_POWER_CONTROL,
RSL_MT_BS_POWER_CONTROL,
RSL_MT_PREPROC_CONFIG,
RSL_MT_PREPROC_MEAS_RES,
RSL_MT_RF_CHAN_REL_ACK,
RSL_MT_SACCH_INFO_MODIFY,
RSL_MT_TALKER_DET,
RSL_MT_LISTENER_DET,
RSL_MT_REMOTE_CODEC_CONF_REP,
RSL_MT_RTD_REP,
RSL_MT_PRE_HANDO_NOTIF,
RSL_MT_MR_CODEC_MOD_REQ,
RSL_MT_MR_CODEC_MOD_ACK,
RSL_MT_MR_CODEC_MOD_NACK,
RSL_MT_MR_CODEC_MOD_PER,
RSL_MT_TFO_REP,
RSL_MT_TFO_MOD_REQ, /* 0x3f */
};
/* Chapter 9.3 */
enum abis_rsl_ie {
RSL_IE_CHAN_NR = 0x01,
RSL_IE_LINK_IDENT,
RSL_IE_ACT_TYPE,
RSL_IE_BS_POWER,
RSL_IE_CHAN_IDENT,
RSL_IE_CHAN_MODE,
RSL_IE_ENCR_INFO,
RSL_IE_FRAME_NUMBER,
RSL_IE_HANDO_REF,
RSL_IE_L1_INFO,
RSL_IE_L3_INFO,
RSL_IE_MS_IDENTITY,
RSL_IE_MS_POWER,
RSL_IE_PAGING_GROUP,
RSL_IE_PAGING_LOAD,
RSL_IE_PYHS_CONTEXT = 0x10,
RSL_IE_ACCESS_DELAY,
RSL_IE_RACH_LOAD,
RSL_IE_REQ_REFERENCE,
RSL_IE_RELEASE_MODE,
RSL_IE_RESOURCE_INFO,
RSL_IE_RLM_CAUSE,
RSL_IE_STARTNG_TIME,
RSL_IE_TIMING_ADVANCE,
RSL_IE_UPLINK_MEAS,
RSL_IE_CAUSE,
RSL_IE_MEAS_RES_NR,
RSL_IE_MSG_ID,
/* reserved */
RSL_IE_SYSINFO_TYPE = 0x1e,
RSL_IE_MS_POWER_PARAM,
RSL_IE_BS_POWER_PARAM,
RSL_IE_PREPROC_PARAM,
RSL_IE_PREPROC_MEAS,
RSL_IE_IMM_ASS_INFO, /* Phase 1 (3.6.0), later Full below */
RSL_IE_SMSCB_INFO = 0x24,
RSL_IE_MS_TIMING_OFFSET,
RSL_IE_ERR_MSG,
RSL_IE_FULL_BCCH_INFO,
RSL_IE_CHAN_NEEDED,
RSL_IE_CB_CMD_TYPE,
RSL_IE_SMSCB_MSG,
RSL_IE_FULL_IMM_ASS_INFO,
RSL_IE_SACCH_INFO,
RSL_IE_CBCH_LOAD_INFO,
RSL_IE_SMSCB_CHAN_INDICATOR,
RSL_IE_GROUP_CALL_REF,
RSL_IE_CHAN_DESC,
RSL_IE_NCH_DRX_INFO,
RSL_IE_CMD_INDICATOR,
RSL_IE_EMLPP_PRIO,
RSL_IE_UIC,
RSL_IE_MAIN_CHAN_REF,
RSL_IE_MR_CONFIG,
RSL_IE_MR_CONTROL,
RSL_IE_SUP_CODEC_TYPES,
RSL_IE_CODEC_CONFIG,
RSL_IE_RTD,
RSL_IE_TFO_STATUS,
RSL_IE_LLP_APDU,
};
/* Chapter 9.3.1 */
#define RSL_CHAN_NR_MASK 0xf8
#define RSL_CHAN_Bm_ACCHs 0x08
#define RSL_CHAN_Lm_ACCHs 0x10 /* .. 0x18 */
#define RSL_CHAN_SDCCH4_ACCH 0x20 /* .. 0x38 */
#define RSL_CHAN_SDCCH8_ACCH 0x40 /* ...0x78 */
#define RSL_CHAN_BCCH 0x80
#define RSL_CHAN_RACH 0x88
#define RSL_CHAN_PCH_AGCH 0x90
/* Chapter 9.3.3 */
#define RSL_ACT_TYPE_INITIAL 0x00
#define RSL_ACT_TYPE_REACT 0x80
#define RSL_ACT_INTRA_IMM_ASS 0x00
#define RSL_ACT_INTRA_NORM_ASS 0x01
#define RSL_ACT_INTER_ASYNC 0x02
#define RSL_ACT_INTER_SYNC 0x03
#define RSL_ACT_SECOND_ADD 0x04
#define RSL_ACT_SECOND_MULTI 0x05
/* Chapter 9.3.6 */
struct rsl_ie_chan_mode {
u_int8_t dtx_dtu;
u_int8_t spd_ind;
u_int8_t chan_rt;
u_int8_t chan_rate;
} __attribute__ ((packed));
#define RSL_CMOD_DTXu 0x01 /* uplink */
#define RSL_CMOD_DTXd 0x02 /* downlink */
#define RSL_CMOD_SPD_SPEECH 0x01
#define RSL_CMOD_SPD_DATA 0x02
#define RSL_CMOD_SPD_SIGN 0x03
#define RSL_CMOD_CRT_SDCCH 0x01
#define RSL_CMOD_CRT_TCH_Bm 0x08 /* full-rate */
#define RSL_CMOD_CRT_TCH_Lm 0x09 /* half-rate */
/* FIXME: More CRT types */
#define RSL_CMOD_SP_GSM1 0x01
#define RSL_CMOD_SP_GSM2 0x11
#define RSL_CMOD_SP_GSM3 0x21
/* Chapter 9.3.5 */
struct rsl_ie_chan_ident {
/* GSM 04.08 10.5.2.5 */
struct {
u_int8_t iei;
u_int8_t chan_nr; /* enc_chan_nr */
u_int8_t oct3;
u_int8_t oct4;
} chan_desc;
#if 0 /* spec says we need this but Abissim doesn't use it */
struct {
u_int8_t tag;
u_int8_t len;
} mobile_alloc;
#endif
} __attribute__ ((packed));
/* Chapter 9.3.30 */
#define RSL_SYSTEM_INFO_8 0x00
#define RSL_SYSTEM_INFO_1 0x01
#define RSL_SYSTEM_INFO_2 0x02
#define RSL_SYSTEM_INFO_3 0x03
#define RSL_SYSTEM_INFO_4 0x04
#define RSL_SYSTEM_INFO_5 0x05
#define RSL_SYSTEM_INFO_6 0x06
#define RSL_SYSTEM_INFO_7 0x07
#define RSL_SYSTEM_INFO_16 0x08
#define RSL_SYSTEM_INFO_17 0x09
#define RSL_SYSTEM_INFO_2bis 0x0a
#define RSL_SYSTEM_INFO_2ter 0x0b
#define RSL_SYSTEM_INFO_5bis 0x0d
#define RSL_SYSTEM_INFO_5ter 0x0e
#define RSL_SYSTEM_INFO_10 0x0f
#define REL_EXT_MEAS_ORDER 0x47
#define RSL_MEAS_INFO 0x48
#define RSL_SYSTEM_INFO_13 0x28
#define RSL_SYSTEM_INFO_2quater 0x29
#define RSL_SYSTEM_INFO_9 0x2a
#define RSL_SYSTEM_INFO_18 0x2b
#define RSL_SYSTEM_INFO_19 0x2c
#define RSL_SYSTEM_INFO_20 0x2d
/* Chapter 9.3.40 */
#define RSL_CHANNEED_ANY 0x00
#define RSL_CHANNEED_SDCCH 0x01
#define RSL_CHANNEED_TCH_F 0x02
#define RSL_CHANNEED_TCH_ForH 0x03
#include "msgb.h"
int rsl_bcch_info(struct gsm_bts *bts, u_int8_t type,
const u_int8_t *data, int len);
int rsl_sacch_filling(struct gsm_bts *bts, u_int8_t type,
const u_int8_t *data, int len);
int rsl_chan_activate(struct gsm_bts *bts, u_int8_t chan_nr,
u_int8_t act_type,
struct rsl_ie_chan_mode *chan_mode,
struct rsl_ie_chan_ident *chan_ident,
u_int8_t bs_power, u_int8_t ms_power,
u_int8_t ta);
int rsl_chan_activate_tch_f(struct gsm_bts_trx_ts *ts);
int rsl_chan_activate_sdcch(struct gsm_bts_trx_ts *ts);
int rsl_chan_release(struct gsm_bts_trx_ts *ts, u_int8_t chan_nr);
int rsl_paging_cmd(struct gsm_bts *bts, u_int8_t paging_group, u_int8_t len,
u_int8_t *ms_ident, u_int8_t chan_needed);
int rsl_paging_cmd_imsi(struct gsm_bts *bts, u_int8_t chan_needed, const char *imsi_str);
int rsl_imm_assign_cmd(struct gsm_bts *bts, u_int8_t len, u_int8_t *val);
int rsl_data_request(struct gsm_bts *bts, struct msgb *msg);
int abis_rsl_rx(struct msgb *msg);
#endif /* RSL_MT_H */