diff options
author | Neels Hofmeyr <neels@hofmeyr.de> | 2017-12-01 03:37:38 +0100 |
---|---|---|
committer | Neels Hofmeyr <neels@hofmeyr.de> | 2017-12-01 03:37:38 +0100 |
commit | 43c30d0e439053881070d5ceb70f46cfecf5c221 (patch) | |
tree | ba975a8be418c09ca6b2755a968210e01ca727f5 /include/osmocom | |
parent | ce28c210871a248ec6d836adeaa75e2c3c665faf (diff) |
RENAME include/openbsc TO include/osmocom/bsc FOR MERGING
Change-Id: I3cb02fc5a71ceb9120275e5275779688aa1f8255
Diffstat (limited to 'include/osmocom')
64 files changed, 5917 insertions, 0 deletions
diff --git a/include/osmocom/bsc/Makefile.am b/include/osmocom/bsc/Makefile.am new file mode 100644 index 000000000..93b30bb0c --- /dev/null +++ b/include/osmocom/bsc/Makefile.am @@ -0,0 +1,19 @@ +noinst_HEADERS = abis_nm.h abis_rsl.h db.h gsm_04_08.h gsm_data.h \ + gsm_subscriber.h gsm_04_11.h debug.h signal.h \ + misdn.h chan_alloc.h paging.h \ + trau_mux.h rs232.h openbscdefines.h rtp_proxy.h \ + bsc_rll.h mncc.h transaction.h ussd.h gsm_04_80.h \ + silent_call.h mgcp.h meas_rep.h rest_octets.h \ + system_information.h handover.h mgcp_internal.h \ + vty.h socket.h e1_config.h trau_upqueue.h token_auth.h \ + handover_decision.h rrlp.h control_if.h \ + crc24.h gprs_llc.h gprs_gmm.h \ + gb_proxy.h gprs_sgsn.h gsm_04_08_gprs.h sgsn.h \ + auth.h osmo_msc.h bsc_msc.h bsc_nat.h \ + osmo_bsc_rf.h osmo_bsc.h network_listen.h bsc_nat_sccp.h \ + osmo_msc_data.h osmo_bsc_grace.h sms_queue.h abis_om2000.h \ + bss.h gsm_data_shared.h control_cmd.h ipaccess.h mncc_int.h \ + arfcn_range_encode.h + +openbsc_HEADERS = gsm_04_08.h meas_rep.h bsc_api.h +openbscdir = $(includedir)/openbsc diff --git a/include/osmocom/bsc/abis_nm.h b/include/osmocom/bsc/abis_nm.h new file mode 100644 index 000000000..4d6f866ee --- /dev/null +++ b/include/osmocom/bsc/abis_nm.h @@ -0,0 +1,186 @@ +/* GSM Network Management messages on the A-bis interface + * 3GPP TS 12.21 version 8.0.0 Release 1999 / ETSI TS 100 623 V8.0.0 */ + +/* (C) 2008-2009 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 _NM_H +#define _NM_H + +#include <osmocom/gsm/tlv.h> +#include <osmocom/gsm/abis_nm.h> +#include <osmocom/gsm/protocol/gsm_12_21.h> + +struct cell_global_id { + uint16_t mcc; + uint16_t mnc; + uint16_t lac; + uint16_t ci; +}; + +/* The BCCH info from an ip.access test, in host byte order + * and already parsed... */ +struct ipac_bcch_info { + struct llist_head list; + + uint16_t info_type; + uint8_t freq_qual; + uint16_t arfcn; + uint8_t rx_lev; + uint8_t rx_qual; + int16_t freq_err; + uint16_t frame_offset; + uint32_t frame_nr_offset; + uint8_t bsic; + struct cell_global_id cgi; + uint8_t ba_list_si2[16]; + uint8_t ba_list_si2bis[16]; + uint8_t ba_list_si2ter[16]; + uint8_t ca_list_si1[16]; +}; + +/* PUBLIC */ + +struct msgb; + +struct abis_nm_cfg { + /* callback for unidirectional reports */ + int (*report_cb)(struct msgb *, + struct abis_om_fom_hdr *); + /* callback for software activate requests from BTS */ + int (*sw_act_req)(struct msgb *); +}; + +struct abis_nm_sw_descr { + /* where does it start? how long is it? */ + const uint8_t *start; + size_t len; + + /* the parsed data */ + const uint8_t *file_id; + uint16_t file_id_len; + const uint8_t *file_ver; + uint16_t file_ver_len; +}; + +extern int abis_nm_rcvmsg(struct msgb *msg); + +int abis_nm_tlv_parse(struct tlv_parsed *tp, struct gsm_bts *bts, const uint8_t *buf, int len); +int abis_nm_rx(struct msgb *msg); +int abis_nm_opstart(struct gsm_bts *bts, uint8_t obj_class, uint8_t i0, uint8_t i1, uint8_t i2); +int abis_nm_chg_adm_state(struct gsm_bts *bts, uint8_t obj_class, uint8_t i0, + uint8_t i1, uint8_t i2, enum abis_nm_adm_state adm_state); +int abis_nm_establish_tei(struct gsm_bts *bts, uint8_t trx_nr, + uint8_t e1_port, uint8_t e1_timeslot, uint8_t e1_subslot, + uint8_t tei); +int abis_nm_conn_terr_sign(struct gsm_bts_trx *trx, + uint8_t e1_port, uint8_t e1_timeslot, uint8_t e1_subslot); +int abis_nm_conn_terr_traf(struct gsm_bts_trx_ts *ts, + uint8_t e1_port, uint8_t e1_timeslot, + uint8_t e1_subslot); +int abis_nm_get_attr(struct gsm_bts *bts, uint8_t obj_class, + uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr, + uint8_t *attr, uint8_t attr_len); +int abis_nm_set_bts_attr(struct gsm_bts *bts, uint8_t *attr, int attr_len); +int abis_nm_set_radio_attr(struct gsm_bts_trx *trx, uint8_t *attr, int attr_len); +int abis_nm_set_channel_attr(struct gsm_bts_trx_ts *ts, uint8_t chan_comb); +int abis_nm_sw_act_req_ack(struct gsm_bts *bts, uint8_t obj_class, uint8_t i1, + uint8_t i2, uint8_t i3, int nack, uint8_t *attr, int att_len); +int abis_nm_raw_msg(struct gsm_bts *bts, int len, uint8_t *msg); +int abis_nm_event_reports(struct gsm_bts *bts, int on); +int abis_nm_reset_resource(struct gsm_bts *bts); +int abis_nm_software_load(struct gsm_bts *bts, int trx_nr, const char *fname, + uint8_t win_size, int forced, + gsm_cbfn *cbfn, void *cb_data); +int abis_nm_software_load_status(struct gsm_bts *bts); +int abis_nm_software_activate(struct gsm_bts *bts, const char *fname, + gsm_cbfn *cbfn, void *cb_data); + +int abis_nm_conn_mdrop_link(struct gsm_bts *bts, uint8_t e1_port0, uint8_t ts0, + uint8_t e1_port1, uint8_t ts1); + +int abis_nm_perform_test(struct gsm_bts *bts, uint8_t obj_class, + uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr, + uint8_t test_nr, uint8_t auton_report, struct msgb *msg); + +/* Siemens / BS-11 specific */ +int abis_nm_bs11_reset_resource(struct gsm_bts *bts); +int abis_nm_bs11_db_transmission(struct gsm_bts *bts, int begin); +int abis_nm_bs11_create_object(struct gsm_bts *bts, enum abis_bs11_objtype type, + uint8_t idx, uint8_t attr_len, const uint8_t *attr); +int abis_nm_bs11_create_envaBTSE(struct gsm_bts *bts, uint8_t idx); +int abis_nm_bs11_create_bport(struct gsm_bts *bts, uint8_t idx); +int abis_nm_bs11_delete_object(struct gsm_bts *bts, + enum abis_bs11_objtype type, uint8_t idx); +int abis_nm_bs11_delete_bport(struct gsm_bts *bts, uint8_t idx); +int abis_nm_bs11_conn_oml_tei(struct gsm_bts *bts, uint8_t e1_port, + uint8_t e1_timeslot, uint8_t e1_subslot, uint8_t tei); +int abis_nm_bs11_get_oml_tei_ts(struct gsm_bts *bts); +int abis_nm_bs11_get_serno(struct gsm_bts *bts); +int abis_nm_bs11_set_trx_power(struct gsm_bts_trx *trx, uint8_t level); +int abis_nm_bs11_get_trx_power(struct gsm_bts_trx *trx); +int abis_nm_bs11_logon(struct gsm_bts *bts, uint8_t level, const char *name, int on); +int abis_nm_bs11_factory_logon(struct gsm_bts *bts, int on); +int abis_nm_bs11_infield_logon(struct gsm_bts *bts, int on); +int abis_nm_bs11_set_trx1_pw(struct gsm_bts *bts, const char *password); +int abis_nm_bs11_set_pll_locked(struct gsm_bts *bts, int locked); +int abis_nm_bs11_get_pll_mode(struct gsm_bts *bts); +int abis_nm_bs11_set_pll(struct gsm_bts *bts, int value); +int abis_nm_bs11_get_cclk(struct gsm_bts *bts); +int abis_nm_bs11_get_state(struct gsm_bts *bts); +int abis_nm_bs11_load_swl(struct gsm_bts *bts, const char *fname, + uint8_t win_size, int forced, gsm_cbfn *cbfn); +int abis_nm_bs11_set_ext_time(struct gsm_bts *bts); +int abis_nm_bs11_get_bport_line_cfg(struct gsm_bts *bts, uint8_t bport); +int abis_nm_bs11_set_bport_line_cfg(struct gsm_bts *bts, uint8_t bport, enum abis_bs11_line_cfg line_cfg); +int abis_nm_bs11_bsc_disconnect(struct gsm_bts *bts, int reconnect); +int abis_nm_bs11_restart(struct gsm_bts *bts); + +/* ip.access nanoBTS specific commands */ +int abis_nm_ipaccess_msg(struct gsm_bts *bts, uint8_t msg_type, + uint8_t obj_class, uint8_t bts_nr, + uint8_t trx_nr, uint8_t ts_nr, + uint8_t *attr, int attr_len); +int abis_nm_ipaccess_set_nvattr(struct gsm_bts_trx *trx, uint8_t *attr, + int attr_len); +int abis_nm_ipaccess_restart(struct gsm_bts_trx *trx); +int abis_nm_ipaccess_set_attr(struct gsm_bts *bts, uint8_t obj_class, + uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr, + uint8_t *attr, uint8_t attr_len); +int abis_nm_ipaccess_rsl_connect(struct gsm_bts_trx *trx, + uint32_t ip, uint16_t port, uint8_t stream); +void abis_nm_ipaccess_cgi(uint8_t *buf, struct gsm_bts *bts); +int ipac_parse_bcch_info(struct ipac_bcch_info *binf, uint8_t *buf); +const char *ipacc_testres_name(uint8_t res); + +/* Functions calling into other code parts */ +int nm_is_running(struct gsm_nm_state *s); + +int abis_nm_vty_init(void); + +void abis_nm_clear_queue(struct gsm_bts *bts); + +int _abis_nm_sendmsg(struct msgb *msg); + +void abis_nm_queue_send_next(struct gsm_bts *bts); /* for bs11_config. */ + +int abis_nm_parse_sw_config(const uint8_t *data, const size_t len, + struct abis_nm_sw_descr *res, const int res_len); +int abis_nm_select_newest_sw(const struct abis_nm_sw_descr *sw, const size_t len); + +#endif /* _NM_H */ diff --git a/include/osmocom/bsc/abis_om2000.h b/include/osmocom/bsc/abis_om2000.h new file mode 100644 index 000000000..2ff72705b --- /dev/null +++ b/include/osmocom/bsc/abis_om2000.h @@ -0,0 +1,98 @@ +#ifndef OPENBSC_ABIS_OM2K_H +#define OPENBSC_ABIS_OM2K_H +/* Ericsson RBS 2xxx GSM O&M (OM2000) messages on the A-bis interface + * implemented based on protocol trace analysis, no formal documentation */ + +/* (C) 2010-2011 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/>. + * + */ + +enum abis_om2k_mo_cls { + OM2K_MO_CLS_TRXC = 0x01, + OM2K_MO_CLS_TS = 0x03, + OM2K_MO_CLS_TF = 0x04, + OM2K_MO_CLS_IS = 0x05, + OM2K_MO_CLS_CON = 0x06, + OM2K_MO_CLS_DP = 0x07, + OM2K_MO_CLS_CF = 0x0a, + OM2K_MO_CLS_TX = 0x0b, + OM2K_MO_CLS_RX = 0x0c, +}; + +enum om2k_mo_state { + OM2K_MO_S_RESET = 0, + OM2K_MO_S_STARTED, + OM2K_MO_S_ENABLED, + OM2K_MO_S_DISABLED, +}; + +struct abis_om2k_mo { + uint8_t class; + uint8_t bts; + uint8_t assoc_so; + uint8_t inst; +} __attribute__ ((packed)); + +/* on-wire format for IS conn group */ +struct om2k_is_conn_grp { + uint16_t icp1; + uint16_t icp2; + uint8_t cont_idx; +} __attribute__ ((packed)); + +/* internal data formant for IS conn group */ +struct is_conn_group { + struct llist_head list; + uint16_t icp1; + uint16_t icp2; + uint8_t ci; +}; + +extern const struct abis_om2k_mo om2k_mo_cf; +extern const struct abis_om2k_mo om2k_mo_is; +extern const struct abis_om2k_mo om2k_mo_con; +extern const struct abis_om2k_mo om2k_mo_tf; + +extern const struct value_string om2k_mo_class_short_vals[]; + +int abis_om2k_rcvmsg(struct msgb *msg); + +extern const struct abis_om2k_mo om2k_mo_cf; + +int abis_om2k_tx_reset_cmd(struct gsm_bts *bts, const struct abis_om2k_mo *mo); +int abis_om2k_tx_start_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo); +int abis_om2k_tx_status_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo); +int abis_om2k_tx_connect_cmd(struct gsm_bts *bts, const struct abis_om2k_mo *mo); +int abis_om2k_tx_disconnect_cmd(struct gsm_bts *bts, const struct abis_om2k_mo *mo); +int abis_om2k_tx_enable_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo); +int abis_om2k_tx_disable_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo); +int abis_om2k_tx_test_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo); +int abis_om2k_tx_op_info(struct gsm_bts *bts, const struct abis_om2k_mo *mo, + uint8_t operational); +int abis_om2k_tx_is_conf_req(struct gsm_bts *bts); +int abis_om2k_tx_tf_conf_req(struct gsm_bts *bts); +int abis_om2k_tx_rx_conf_req(struct gsm_bts_trx *trx); +int abis_om2k_tx_tx_conf_req(struct gsm_bts_trx *trx); +int abis_om2k_tx_ts_conf_req(struct gsm_bts_trx_ts *ts); + +int abis_om2k_vty_init(void); + +struct vty; +void abis_om2k_config_write_bts(struct vty *vty, struct gsm_bts *bts); + +#endif /* OPENBCS_ABIS_OM2K_H */ diff --git a/include/osmocom/bsc/abis_rsl.h b/include/osmocom/bsc/abis_rsl.h new file mode 100644 index 000000000..06f0a721c --- /dev/null +++ b/include/osmocom/bsc/abis_rsl.h @@ -0,0 +1,107 @@ +/* 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 <osmocom/gsm/protocol/gsm_08_58.h> + +#include <osmocom/core/msgb.h> + +struct gsm_bts; +struct gsm_lchan; +struct gsm_subscriber; +struct gsm_bts_trx_ts; + + +int rsl_bcch_info(struct gsm_bts_trx *trx, uint8_t 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 ta, 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); +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); + +/* 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); + +/* 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, + uint8_t 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); + +#endif /* RSL_MT_H */ + diff --git a/include/osmocom/bsc/arfcn_range_encode.h b/include/osmocom/bsc/arfcn_range_encode.h new file mode 100644 index 000000000..7a6fff000 --- /dev/null +++ b/include/osmocom/bsc/arfcn_range_encode.h @@ -0,0 +1,26 @@ +#ifndef ARFCN_RANGE_ENCODE_H +#define ARFCN_RANGE_ENCODE_H + +#include <stdint.h> + +enum { + ARFCN_RANGE_INVALID = -1, + ARFCN_RANGE_128 = 127, + ARFCN_RANGE_256 = 255, + ARFCN_RANGE_512 = 511, + ARFCN_RANGE_1024 = 1023, +}; + +#define RANGE_ENC_MAX_ARFCNS 29 + +int range_enc_determine_range(const int *arfcns, int size, int *f0_out); +int range_enc_arfcns(const int rng, const int *arfcns, int sze, int *out, int idx); +int range_enc_find_index(const int rng, const int *arfcns, int size); +int range_enc_filter_arfcns(const int rng, int *arfcns, const int sze, const int f0, int *f0_included); + +int range_enc_range128(uint8_t *chan_list, int f0, int *w); +int range_enc_range256(uint8_t *chan_list, int f0, int *w); +int range_enc_range512(uint8_t *chan_list, int f0, int *w); +int range_enc_range1024(uint8_t *chan_list, int f0, int f0_incl, int *w); + +#endif diff --git a/include/osmocom/bsc/auth.h b/include/osmocom/bsc/auth.h new file mode 100644 index 000000000..2364fb3d2 --- /dev/null +++ b/include/osmocom/bsc/auth.h @@ -0,0 +1,17 @@ +#ifndef _AUTH_H +#define _AUTH_H + +struct gsm_auth_tuple; +struct gsm_subscriber; + +enum auth_action { + AUTH_NOT_AVAIL = 0, /* No auth tuple available */ + AUTH_DO_AUTH_THAN_CIPH = 1, /* Firsth authenticate, then cipher */ + AUTH_DO_CIPH = 2, /* Only ciphering */ + AUTH_DO_AUTH = 3, /* Only authentication, no ciphering */ +}; + +int auth_get_tuple_for_subscr(struct gsm_auth_tuple *atuple, + struct gsm_subscriber *subscr, int key_seq); + +#endif /* _AUTH_H */ diff --git a/include/osmocom/bsc/bsc_api.h b/include/osmocom/bsc/bsc_api.h new file mode 100644 index 000000000..f52984f39 --- /dev/null +++ b/include/osmocom/bsc/bsc_api.h @@ -0,0 +1,55 @@ +/* GSM 08.08 like API for OpenBSC */ + +#ifndef OPENBSC_BSC_API_H +#define OPENBSC_BSC_API_H + +#include "gsm_data.h" + +#define BSC_API_CONN_POL_ACCEPT 0 +#define BSC_API_CONN_POL_REJECT 1 + +struct bsc_api { + /*! \brief BTS->MSC: tell MSC a SAPI was not established */ + void (*sapi_n_reject)(struct gsm_subscriber_connection *conn, int dlci); + /*! \brief MS->MSC: Tell MSC that ciphering has been enabled */ + void (*cipher_mode_compl)(struct gsm_subscriber_connection *conn, + struct msgb *msg, uint8_t chosen_encr); + /*! \brief MS->MSC: New MM context with L3 payload */ + int (*compl_l3)(struct gsm_subscriber_connection *conn, + struct msgb *msg, uint16_t chosen_channel); + /*! \brief MS->BSC/MSC: Um L3 message */ + void (*dtap)(struct gsm_subscriber_connection *conn, uint8_t link_id, + struct msgb *msg); + /*! \brief BSC->MSC: Assignment of lchan successful */ + void (*assign_compl)(struct gsm_subscriber_connection *conn, + uint8_t rr_cause, uint8_t chosen_channel, + uint8_t encr_alg_id, uint8_t speech_mode); + /*! \brief BSC->MSC: Assignment of lchan failed */ + void (*assign_fail)(struct gsm_subscriber_connection *conn, + uint8_t cause, uint8_t *rr_cause); + /*! \brief BSC->MSC: RR conn has been cleared */ + int (*clear_request)(struct gsm_subscriber_connection *conn, + uint32_t cause); + /*! \brief BSC->MSC: Classmark Update */ + void (*classmark_chg)(struct gsm_subscriber_connection *conn, + const uint8_t *cm2, uint8_t cm2_len, + const uint8_t *cm3, uint8_t cm3_len); + + /** + * Configure the multirate setting on this channel. If it is + * not implemented AMR5.9 will be used. + */ + void (*mr_config)(struct gsm_subscriber_connection *conn, + struct gsm48_multi_rate_conf *conf); +}; + +int bsc_api_init(struct gsm_network *network, struct bsc_api *api); +int gsm0808_submit_dtap(struct gsm_subscriber_connection *conn, struct msgb *msg, int link_id, int allow_sacch); +int gsm0808_assign_req(struct gsm_subscriber_connection *conn, int chan_mode, int full_rate); +int gsm0808_cipher_mode(struct gsm_subscriber_connection *conn, int cipher, + const uint8_t *key, int len, int include_imeisv); +int gsm0808_page(struct gsm_bts *bts, unsigned int page_group, + unsigned int mi_len, uint8_t *mi, int chan_type); +int gsm0808_clear(struct gsm_subscriber_connection *conn); + +#endif diff --git a/include/osmocom/bsc/bsc_msc.h b/include/osmocom/bsc/bsc_msc.h new file mode 100644 index 000000000..9543002a7 --- /dev/null +++ b/include/osmocom/bsc/bsc_msc.h @@ -0,0 +1,59 @@ +/* Routines to talk to the MSC using the IPA Protocol */ +/* + * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2010 by On-Waves + * 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 BSC_MSC_H +#define BSC_MSC_H + +#include <osmocom/core/write_queue.h> +#include <osmocom/core/timer.h> + +struct bsc_msc_dest { + struct llist_head list; + + char *ip; + int port; + int dscp; +}; + + +struct bsc_msc_connection { + struct osmo_wqueue write_queue; + int is_connected; + int is_authenticated; + int first_contact; + + struct llist_head *dests; + + void (*connection_loss) (struct bsc_msc_connection *); + void (*connected) (struct bsc_msc_connection *); + struct osmo_timer_list reconnect_timer; + struct osmo_timer_list timeout_timer; +}; + +struct bsc_msc_connection *bsc_msc_create(void *ctx, struct llist_head *dest); +int bsc_msc_connect(struct bsc_msc_connection *); +void bsc_msc_schedule_connect(struct bsc_msc_connection *); + +void bsc_msc_lost(struct bsc_msc_connection *); + +struct msgb *bsc_msc_id_get_resp(const char *token); + +#endif diff --git a/include/osmocom/bsc/bsc_nat.h b/include/osmocom/bsc/bsc_nat.h new file mode 100644 index 000000000..195031822 --- /dev/null +++ b/include/osmocom/bsc/bsc_nat.h @@ -0,0 +1,480 @@ +/* + * (C) 2010-2012 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2010-2012 by On-Waves + * 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 BSC_NAT_H +#define BSC_NAT_H + +#include "mgcp.h" + + +#include <osmocom/core/select.h> +#include <osmocom/core/msgb.h> +#include <osmocom/core/msgfile.h> +#include <osmocom/core/timer.h> +#include <osmocom/core/write_queue.h> +#include <osmocom/core/rate_ctr.h> +#include <osmocom/core/statistics.h> +#include <osmocom/gsm/protocol/gsm_04_08.h> + +#include <regex.h> + +#define DIR_BSC 1 +#define DIR_MSC 2 + +#define PAGIN_GROUP_UNASSIGNED -1 + +struct sccp_source_reference; +struct nat_sccp_connection; +struct bsc_nat_parsed; +struct bsc_nat; +struct bsc_nat_ussd_con; + +enum { + NAT_CON_TYPE_NONE, + NAT_CON_TYPE_LU, + NAT_CON_TYPE_CM_SERV_REQ, + NAT_CON_TYPE_PAG_RESP, + NAT_CON_TYPE_SSA, + NAT_CON_TYPE_LOCAL_REJECT, + NAT_CON_TYPE_OTHER, +}; + +/* + * Is this terminated to the MSC, to the local machine (release + * handling for IMSI filtering) or to a USSD provider? + */ +enum { + NAT_CON_END_MSC, + NAT_CON_END_LOCAL, + NAT_CON_END_USSD, +}; + +/* + * Pending command entry + */ +struct bsc_cmd_list { + struct llist_head list_entry; + + struct osmo_timer_list timeout; + + /* The NATed ID used on the bsc_con*/ + int nat_id; + + /* The control connection from which the command originated */ + struct ctrl_connection *ccon; + + /* The command from the control connection */ + struct ctrl_cmd *cmd; +}; + +/* + * Per BSC data structure + */ +struct bsc_connection { + struct llist_head list_entry; + + /* do we know anything about this BSC? */ + int authenticated; + + /* the fd we use to communicate */ + struct osmo_wqueue write_queue; + + /* the BSS associated */ + struct bsc_config *cfg; + + /* a timeout node */ + struct osmo_timer_list id_timeout; + + /* pong timeout */ + struct osmo_timer_list ping_timeout; + struct osmo_timer_list pong_timeout; + + /* mgcp related code */ + char *_endpoint_status; + int number_multiplexes; + int max_endpoints; + int last_endpoint; + int next_transaction; + uint32_t pending_dlcx_count; + struct llist_head pending_dlcx; + + /* track the pending commands for this BSC */ + struct llist_head cmd_pending; + int last_id; + + /* a back pointer */ + struct bsc_nat *nat; +}; + +/** + * Stats per BSC + */ +struct bsc_config_stats { + struct rate_ctr_group *ctrg; +}; + +enum bsc_cfg_ctr { + BCFG_CTR_SCCP_CONN, + BCFG_CTR_SCCP_CALLS, + BCFG_CTR_NET_RECONN, + BCFG_CTR_DROPPED_SCCP, + BCFG_CTR_DROPPED_CALLS, + BCFG_CTR_REJECTED_CR, + BCFG_CTR_REJECTED_MSG, + BCFG_CTR_ILL_PACKET, + BCFG_CTR_CON_TYPE_LU, + BCFG_CTR_CON_CMSERV_RQ, + BCFG_CTR_CON_PAG_RESP, + BCFG_CTR_CON_SSA, + BCFG_CTR_CON_OTHER, +}; + +/** + * One BSC entry in the config + */ +struct bsc_config { + struct llist_head entry; + + char *token; + int nr; + + char *description; + + /* imsi white and blacklist */ + char *acc_lst_name; + + int forbid_paging; + int paging_group; + + /* audio handling */ + int max_endpoints; + + /* backpointer */ + struct bsc_nat *nat; + + struct bsc_config_stats stats; + + struct llist_head lac_list; +}; + +struct bsc_lac_entry { + struct llist_head entry; + uint16_t lac; +}; + +struct bsc_nat_paging_group { + struct llist_head entry; + + /* list of lac entries */ + struct llist_head lists; + int nr; +}; + +/** + * BSCs point of view of endpoints + */ +struct bsc_endpoint { + /* the operation that is carried out */ + int transaction_state; + /* the pending transaction id */ + char *transaction_id; + /* the bsc we are talking to */ + struct bsc_connection *bsc; +}; + +/** + * Statistic for the nat. + */ +struct bsc_nat_statistics { + struct { + struct osmo_counter *conn; + struct osmo_counter *calls; + } sccp; + + struct { + struct osmo_counter *reconn; + struct osmo_counter *auth_fail; + } bsc; + + struct { + struct osmo_counter *reconn; + } msc; + + struct { + struct osmo_counter *reconn; + } ussd; +}; + +enum bsc_nat_acc_ctr { + ACC_LIST_BSC_FILTER, + ACC_LIST_NAT_FILTER, +}; + +struct bsc_nat_acc_lst { + struct llist_head list; + + /* counter */ + struct rate_ctr_group *stats; + + /* the name of the list */ + const char *name; + struct llist_head fltr_list; +}; + +struct bsc_nat_acc_lst_entry { + struct llist_head list; + + /* the filter */ + char *imsi_allow; + regex_t imsi_allow_re; + char *imsi_deny; + regex_t imsi_deny_re; +}; + +/** + * the structure of the "nat" network + */ +struct bsc_nat { + /* active SCCP connections that need patching */ + struct llist_head sccp_connections; + + /* active BSC connections that need patching */ + struct llist_head bsc_connections; + + /* access lists */ + struct llist_head access_lists; + + /* paging groups */ + struct llist_head paging_groups; + + /* known BSC's */ + struct llist_head bsc_configs; + int num_bsc; + int bsc_ip_dscp; + + /* MGCP config */ + struct mgcp_config *mgcp_cfg; + uint8_t mgcp_msg[4096]; + int mgcp_length; + int mgcp_ipa; + + /* msc things */ + struct llist_head dests; + struct bsc_msc_dest *main_dest; + struct bsc_msc_connection *msc_con; + char *token; + + /* timeouts */ + int auth_timeout; + int ping_timeout; + int pong_timeout; + + struct bsc_endpoint *bsc_endpoints; + + /* filter */ + char *acc_lst_name; + + /* Barring of subscribers with a rb tree */ + struct rb_root imsi_black_list; + char *imsi_black_list_fn; + + /* number rewriting */ + char *num_rewr_name; + struct llist_head num_rewr; + + char *smsc_rewr_name; + struct llist_head smsc_rewr; + char *tpdest_match_name; + struct llist_head tpdest_match; + char *sms_clear_tp_srr_name; + struct llist_head sms_clear_tp_srr; + char *sms_num_rewr_name; + struct llist_head sms_num_rewr; + + /* USSD messages we want to match */ + char *ussd_lst_name; + char *ussd_query; + regex_t ussd_query_re; + char *ussd_token; + char *ussd_local; + struct osmo_fd ussd_listen; + struct bsc_nat_ussd_con *ussd_con; + + /* for maintainenance */ + int blocked; + + /* statistics */ + struct bsc_nat_statistics stats; + + /* control interface */ + struct ctrl_handle *ctrl; +}; + +struct bsc_nat_ussd_con { + struct osmo_wqueue queue; + struct bsc_nat *nat; + int authorized; + + struct osmo_timer_list auth_timeout; +}; + +struct bsc_nat_reject_cause { + int lu_reject_cause; + int cm_reject_cause; +}; + +/* create and init the structures */ +struct bsc_config *bsc_config_alloc(struct bsc_nat *nat, const char *token); +struct bsc_config *bsc_config_num(struct bsc_nat *nat, int num); +void bsc_config_free(struct bsc_config *); +void bsc_config_add_lac(struct bsc_config *cfg, int lac); +void bsc_config_del_lac(struct bsc_config *cfg, int lac); +int bsc_config_handles_lac(struct bsc_config *cfg, int lac); + +struct bsc_nat *bsc_nat_alloc(void); +struct bsc_connection *bsc_connection_alloc(struct bsc_nat *nat); +void bsc_nat_set_msc_ip(struct bsc_nat *bsc, const char *ip); + +void sccp_connection_destroy(struct nat_sccp_connection *); +void bsc_close_connection(struct bsc_connection *); + +const char *bsc_con_type_to_string(int type); + +/** + * parse the given message into the above structure + */ +struct bsc_nat_parsed *bsc_nat_parse(struct msgb *msg); + +/** + * filter based on IP Access header in both directions + */ +int bsc_nat_filter_ipa(int direction, struct msgb *msg, struct bsc_nat_parsed *parsed); +int bsc_nat_vty_init(struct bsc_nat *nat); +int bsc_nat_find_paging(struct msgb *msg, const uint8_t **,int *len); + +/** + * Content filtering. + */ +int bsc_nat_filter_sccp_cr(struct bsc_connection *bsc, struct msgb *msg, + struct bsc_nat_parsed *, int *con_type, char **imsi, + struct bsc_nat_reject_cause *cause); +int bsc_nat_filter_dt(struct bsc_connection *bsc, struct msgb *msg, + struct nat_sccp_connection *con, struct bsc_nat_parsed *parsed, + struct bsc_nat_reject_cause *cause); + +/** + * SCCP patching and handling + */ +struct nat_sccp_connection *create_sccp_src_ref(struct bsc_connection *bsc, struct bsc_nat_parsed *parsed); +int update_sccp_src_ref(struct nat_sccp_connection *sccp, struct bsc_nat_parsed *parsed); +void remove_sccp_src_ref(struct bsc_connection *bsc, struct msgb *msg, struct bsc_nat_parsed *parsed); +struct nat_sccp_connection *patch_sccp_src_ref_to_bsc(struct msgb *, struct bsc_nat_parsed *, struct bsc_nat *); +struct nat_sccp_connection *patch_sccp_src_ref_to_msc(struct msgb *, struct bsc_nat_parsed *, struct bsc_connection *); +struct nat_sccp_connection *bsc_nat_find_con_by_bsc(struct bsc_nat *, struct sccp_source_reference *); + +/** + * MGCP/Audio handling + */ +int bsc_mgcp_nr_multiplexes(int max_endpoints); +int bsc_write_mgcp(struct bsc_connection *bsc, const uint8_t *data, unsigned int length); +int bsc_mgcp_assign_patch(struct nat_sccp_connection *, struct msgb *msg); +void bsc_mgcp_init(struct nat_sccp_connection *); +void bsc_mgcp_dlcx(struct nat_sccp_connection *); +void bsc_mgcp_free_endpoints(struct bsc_nat *nat); +int bsc_mgcp_nat_init(struct bsc_nat *nat); + +struct nat_sccp_connection *bsc_mgcp_find_con(struct bsc_nat *, int endpoint_number); +struct msgb *bsc_mgcp_rewrite(char *input, int length, int endp, const char *ip, int port); +void bsc_mgcp_forward(struct bsc_connection *bsc, struct msgb *msg); + +void bsc_mgcp_clear_endpoints_for(struct bsc_connection *bsc); +int bsc_mgcp_parse_response(const char *str, int *code, char transaction[60]); +uint32_t bsc_mgcp_extract_ci(const char *resp); + + +int bsc_write(struct bsc_connection *bsc, struct msgb *msg, int id); +int bsc_do_write(struct osmo_wqueue *queue, struct msgb *msg, int id); +int bsc_write_msg(struct osmo_wqueue *queue, struct msgb *msg); +int bsc_write_cb(struct osmo_fd *bfd, struct msgb *msg); + +/* IMSI allow/deny handling */ +struct bsc_nat_acc_lst *bsc_nat_acc_lst_find(struct bsc_nat *nat, const char *name); +struct bsc_nat_acc_lst *bsc_nat_acc_lst_get(struct bsc_nat *nat, const char *name); +void bsc_nat_acc_lst_delete(struct bsc_nat_acc_lst *lst); + +struct bsc_nat_acc_lst_entry *bsc_nat_acc_lst_entry_create(struct bsc_nat_acc_lst *); +int bsc_nat_lst_check_allow(struct bsc_nat_acc_lst *lst, const char *imsi); + +int bsc_nat_msc_is_connected(struct bsc_nat *nat); + +int bsc_conn_type_to_ctr(struct nat_sccp_connection *conn); + +struct gsm48_hdr *bsc_unpack_dtap(struct bsc_nat_parsed *parsed, struct msgb *msg, uint32_t *len); + +/** USSD filtering */ +int bsc_ussd_init(struct bsc_nat *nat); +int bsc_check_ussd(struct nat_sccp_connection *con, struct bsc_nat_parsed *parsed, struct msgb *msg); +int bsc_close_ussd_connections(struct bsc_nat *nat); + +struct msgb *bsc_nat_rewrite_msg(struct bsc_nat *nat, struct msgb *msg, struct bsc_nat_parsed *, const char *imsi); + +/** paging group handling */ +struct bsc_nat_paging_group *bsc_nat_paging_group_num(struct bsc_nat *nat, int group); +struct bsc_nat_paging_group *bsc_nat_paging_group_create(struct bsc_nat *nat, int group); +void bsc_nat_paging_group_delete(struct bsc_nat_paging_group *); +void bsc_nat_paging_group_add_lac(struct bsc_nat_paging_group *grp, int lac); +void bsc_nat_paging_group_del_lac(struct bsc_nat_paging_group *grp, int lac); + +/** + * Number rewriting support below + */ +struct bsc_nat_num_rewr_entry { + struct llist_head list; + + regex_t msisdn_reg; + regex_t num_reg; + + char *replace; +}; + +void bsc_nat_num_rewr_entry_adapt(void *ctx, struct llist_head *head, const struct osmo_config_list *); + +struct bsc_nat_barr_entry { + struct rb_node node; + + char *imsi; + int cm_reject_cause; + int lu_reject_cause; +}; + +int bsc_nat_barr_adapt(void *ctx, struct rb_root *rbtree, const struct osmo_config_list *); +int bsc_nat_barr_find(struct rb_root *root, const char *imsi, int *cm, int *lu); + +void bsc_nat_send_mgcp_to_msc(struct bsc_nat *bsc_nat, struct msgb *msg); +void bsc_nat_handle_mgcp(struct bsc_nat *bsc, struct msgb *msg); + +struct ctrl_handle *bsc_nat_controlif_setup(struct bsc_nat *nat, int port); +void bsc_nat_ctrl_del_pending(struct bsc_cmd_list *pending); +int bsc_nat_handle_ctrlif_msg(struct bsc_connection *bsc, struct msgb *msg); + +int bsc_nat_extract_lac(struct bsc_connection *bsc, struct nat_sccp_connection *con, + struct bsc_nat_parsed *parsed, struct msgb *msg); + +#endif diff --git a/include/osmocom/bsc/bsc_nat_callstats.h b/include/osmocom/bsc/bsc_nat_callstats.h new file mode 100644 index 000000000..64f9bfc0a --- /dev/null +++ b/include/osmocom/bsc/bsc_nat_callstats.h @@ -0,0 +1,55 @@ +/* + * (C) 2010-2012 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2010-2012 by On-Waves + * 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 BSC_NAT_CALLSTATS_H +#define BSC_NAT_CALLSTATS_H + +#include <osmocom/core/linuxlist.h> + +#include <osmocom/sccp/sccp_types.h> + +struct bsc_nat_call_stats { + struct llist_head entry; + + struct sccp_source_reference remote_ref; + struct sccp_source_reference src_ref; /* as seen by the MSC */ + + /* mgcp options */ + uint32_t ci; + int bts_rtp_port; + int net_rtp_port; + struct in_addr bts_addr; + struct in_addr net_addr; + + + /* as witnessed by the NAT */ + uint32_t net_ps; + uint32_t net_os; + uint32_t bts_pr; + uint32_t bts_or; + uint32_t bts_expected; + uint32_t bts_jitter; + int bts_loss; + + uint32_t trans_id; + int msc_endpoint; +}; + +#endif diff --git a/include/osmocom/bsc/bsc_nat_sccp.h b/include/osmocom/bsc/bsc_nat_sccp.h new file mode 100644 index 000000000..34aa6320a --- /dev/null +++ b/include/osmocom/bsc/bsc_nat_sccp.h @@ -0,0 +1,101 @@ +/* NAT utilities using SCCP types */ +/* + * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2010 by On-Waves + * 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 BSC_NAT_SCCP_H +#define BSC_NAT_SCCP_H + +#include <osmocom/sccp/sccp_types.h> + +/* + * For the NAT we will need to analyze and later patch + * the received message. This would require us to parse + * the IPA and SCCP header twice. Instead of doing this + * we will have one analyze structure and have the patching + * and filter operate on the same structure. + */ +struct bsc_nat_parsed { + /* ip access prototype */ + int ipa_proto; + + /* source local reference */ + struct sccp_source_reference *src_local_ref; + + /* destination local reference */ + struct sccp_source_reference *dest_local_ref; + + /* called ssn number */ + int called_ssn; + + /* calling ssn number */ + int calling_ssn; + + /* sccp message type */ + int sccp_type; + + /* bssap type, e.g. 0 for BSS Management */ + int bssap; + + /* the gsm0808 message type */ + int gsm_type; +}; + +/* + * Per SCCP source local reference patch table. It needs to + * be updated on new SCCP connections, connection confirm and reject, + * and on the loss of the BSC connection. + */ +struct nat_sccp_connection { + struct llist_head list_entry; + + struct bsc_connection *bsc; + struct bsc_msc_connection *msc_con; + + struct sccp_source_reference real_ref; + struct sccp_source_reference patched_ref; + struct sccp_source_reference remote_ref; + int has_remote_ref; + + /* status */ + int con_type; + int con_local; + int authorized; + int imsi_checked; + char *imsi; + + uint16_t lac; + uint16_t ci; + + /* remember which Transactions we run over the bypass */ + char ussd_ti[8]; + + /* + * audio handling. Remember if we have ever send a CRCX, + * remember the endpoint used by the MSC and BSC. + */ + int msc_endp; + int bsc_endp; + + /* timeout handling */ + struct timespec creation_time; +}; + + +#endif diff --git a/include/osmocom/bsc/bsc_rll.h b/include/osmocom/bsc/bsc_rll.h new file mode 100644 index 000000000..729ba6037 --- /dev/null +++ b/include/osmocom/bsc/bsc_rll.h @@ -0,0 +1,19 @@ +#ifndef _BSC_RLL_H +#define _BSC_RLL_H + +#include <openbsc/gsm_data.h> + +enum bsc_rllr_ind { + BSC_RLLR_IND_EST_CONF, + BSC_RLLR_IND_REL_IND, + BSC_RLLR_IND_ERR_IND, + BSC_RLLR_IND_TIMEOUT, +}; + +int rll_establish(struct gsm_lchan *lchan, uint8_t link_id, + void (*cb)(struct gsm_lchan *, uint8_t, void *, + enum bsc_rllr_ind), + void *data); +void rll_indication(struct gsm_lchan *lchan, uint8_t link_id, uint8_t type); + +#endif /* _BSC_RLL_H */ diff --git a/include/osmocom/bsc/bss.h b/include/osmocom/bsc/bss.h new file mode 100644 index 000000000..49df547a1 --- /dev/null +++ b/include/osmocom/bsc/bss.h @@ -0,0 +1,18 @@ +#ifndef _BSS_H_ +#define _BSS_H_ + +struct gsm_network; +struct msgb; + +/* start and stop network */ +extern int bsc_bootstrap_network(int (*mncc_recv)(struct gsm_network *, struct msgb *), const char *cfg_file); +extern int bsc_shutdown_net(struct gsm_network *net); + +/* register all supported BTS */ +extern int bts_init(void); +extern int bts_model_bs11_init(void); +extern int bts_model_rbs2k_init(void); +extern int bts_model_nanobts_init(void); +extern int bts_model_nokia_site_init(void); +extern int bts_model_sysmobts_init(void); +#endif diff --git a/include/osmocom/bsc/chan_alloc.h b/include/osmocom/bsc/chan_alloc.h new file mode 100644 index 000000000..f2d3c781d --- /dev/null +++ b/include/osmocom/bsc/chan_alloc.h @@ -0,0 +1,65 @@ +/* Management functions to allocate/release struct gsm_lchan */ +/* (C) 2008 by Harald Welte <laforge@gnumonks.org> + * (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.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 _CHAN_ALLOC_H +#define _CHAN_ALLOC_H + +#include "gsm_data.h" + +struct gsm_subscriber_connection; + +/* Special allocator for C0 of BTS */ +struct gsm_bts_trx_ts *ts_c0_alloc(struct gsm_bts *bts, + enum gsm_phys_chan_config pchan); + +/* Regular physical channel allocator */ +struct gsm_bts_trx_ts *ts_alloc(struct gsm_bts *bts, + enum gsm_phys_chan_config pchan); + +/* Regular physical channel (TS) */ +void ts_free(struct gsm_bts_trx_ts *ts); + +/* Find an allocated channel for a specified subscriber */ +struct gsm_subscriber_connection *connection_for_subscr(struct gsm_subscriber *subscr); + +/* Allocate a logical channel (SDCCH, TCH, ...) */ +struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type, int allow_bigger); + +/* Free a logical channel (SDCCH, TCH, ...) */ +void lchan_free(struct gsm_lchan *lchan); +void lchan_reset(struct gsm_lchan *lchan); + +/* Release the given lchan */ +int lchan_release(struct gsm_lchan *lchan, int sacch_deact, enum rsl_rel_mode release_mode); + +struct load_counter { + unsigned int total; + unsigned int used; +}; + +struct pchan_load { + struct load_counter pchan[GSM_PCHAN_UNKNOWN]; +}; + +void bts_chan_load(struct pchan_load *cl, const struct gsm_bts *bts); +void network_chan_load(struct pchan_load *pl, struct gsm_network *net); + +int trx_is_usable(struct gsm_bts_trx *trx); + +#endif /* _CHAN_ALLOC_H */ diff --git a/include/osmocom/bsc/control_cmd.h b/include/osmocom/bsc/control_cmd.h new file mode 100644 index 000000000..a0ea055ce --- /dev/null +++ b/include/osmocom/bsc/control_cmd.h @@ -0,0 +1,163 @@ +#ifndef _CONTROL_CMD_H +#define _CONTROL_CMD_H + +#include <osmocom/core/msgb.h> +#include <osmocom/core/talloc.h> +#include <osmocom/core/write_queue.h> + +#include <osmocom/vty/vector.h> + +#include <openbsc/vty.h> + +#define CTRL_CMD_ERROR -1 +#define CTRL_CMD_HANDLED 0 +#define CTRL_CMD_REPLY 1 + +struct ctrl_handle; + +enum ctrl_node_type { + CTRL_NODE_ROOT, /* Root elements */ + CTRL_NODE_BTS, /* BTS specific (net.btsN.) */ + CTRL_NODE_TRX, /* TRX specific (net.btsN.trxM.) */ + CTRL_NODE_TS, /* TS specific (net.btsN.trxM.tsI.) */ + _LAST_CTRL_NODE +}; + +enum ctrl_type { + CTRL_TYPE_UNKNOWN, + CTRL_TYPE_GET, + CTRL_TYPE_SET, + CTRL_TYPE_GET_REPLY, + CTRL_TYPE_SET_REPLY, + CTRL_TYPE_TRAP, + CTRL_TYPE_ERROR +}; + +struct ctrl_connection { + struct llist_head list_entry; + + /* The queue for sending data back */ + struct osmo_wqueue write_queue; + + /* Callback if the connection was closed */ + void (*closed_cb)(struct ctrl_connection *conn); + + /* Pending commands for this connection */ + struct llist_head cmds; +}; + +struct ctrl_cmd { + struct ctrl_connection *ccon; + enum ctrl_type type; + char *id; + void *node; + char *variable; + char *value; + char *reply; +}; + +struct ctrl_cmd_struct { + int nr_commands; + char **command; +}; + +struct ctrl_cmd_element { + const char *name; + const char *param; + struct ctrl_cmd_struct strcmd; + int (*set)(struct ctrl_cmd *cmd, void *data); + int (*get)(struct ctrl_cmd *cmd, void *data); + int (*verify)(struct ctrl_cmd *cmd, const char *value, void *data); +}; + +struct ctrl_cmd_map { + char *cmd; + enum ctrl_type type; +}; + +int ctrl_cmd_exec(vector vline, struct ctrl_cmd *command, vector node, void *data); +int ctrl_cmd_install(enum ctrl_node_type node, struct ctrl_cmd_element *cmd); +int ctrl_cmd_handle(struct ctrl_cmd *cmd, void *data); +int ctrl_cmd_send(struct osmo_wqueue *queue, struct ctrl_cmd *cmd); +int ctrl_cmd_send_to_all(struct ctrl_handle *ctrl, struct ctrl_cmd *cmd); +struct ctrl_cmd *ctrl_cmd_parse(void *ctx, struct msgb *msg); +struct msgb *ctrl_cmd_make(struct ctrl_cmd *cmd); +struct ctrl_cmd *ctrl_cmd_cpy(void *ctx, struct ctrl_cmd *cmd); +struct ctrl_cmd *ctrl_cmd_create(void *ctx, enum ctrl_type); +struct ctrl_cmd *ctrl_cmd_trap(struct ctrl_cmd *cmd); + +#define CTRL_CMD_DEFINE_RANGE(cmdname, cmdstr, dtype, element, min, max) \ +static int get_##cmdname(struct ctrl_cmd *cmd, void *_data) \ +{ \ + dtype *node = cmd->node; \ + cmd->reply = talloc_asprintf(cmd, "%i", node->element); \ + if (!cmd->reply) { \ + cmd->reply = "OOM"; \ + return CTRL_CMD_ERROR; \ + } \ + return CTRL_CMD_REPLY; \ +} \ +static int set_##cmdname(struct ctrl_cmd *cmd, void *_data) \ +{ \ + dtype *node = cmd->node; \ + int tmp = atoi(cmd->value); \ + node->element = tmp; \ + return get_##cmdname(cmd, _data); \ +} \ +static int verify_##cmdname(struct ctrl_cmd *cmd, const char *value, void *_data) \ +{ \ + int tmp = atoi(value); \ + if ((tmp >= min)&&(tmp <= max)) { \ + return 0; \ + } \ + cmd->reply = "Input not within the range"; \ + return -1; \ +} \ +static struct ctrl_cmd_element cmd_##cmdname = { \ + .name = cmdstr, \ + .param = NULL, \ + .get = &get_##cmdname, \ + .set = &set_##cmdname, \ + .verify = &verify_##cmdname, \ +} + +#define CTRL_CMD_DEFINE_STRING(cmdname, cmdstr, dtype, element) \ +static int get_##cmdname(struct ctrl_cmd *cmd, void *_data) \ +{ \ + dtype *data = cmd->node; \ + cmd->reply = talloc_asprintf(cmd, "%s", data->element); \ + if (!cmd->reply) { \ + cmd->reply = "OOM"; \ + return CTRL_CMD_ERROR; \ + } \ + return CTRL_CMD_REPLY; \ +} \ +static int set_##cmdname(struct ctrl_cmd *cmd, void *_data) \ +{ \ + dtype *data = cmd->node; \ + bsc_replace_string(cmd->node, &data->element, cmd->value); \ + return get_##cmdname(cmd, _data); \ +} \ +static struct ctrl_cmd_element cmd_##cmdname = { \ + .name = cmdstr, \ + .param = NULL, \ + .get = &get_##cmdname, \ + .set = &set_##cmdname, \ + .verify = NULL, \ +} + +#define CTRL_CMD_DEFINE(cmdname, cmdstr) \ +static int get_##cmdname(struct ctrl_cmd *cmd, void *data); \ +static int set_##cmdname(struct ctrl_cmd *cmd, void *data); \ +static int verify_##cmdname(struct ctrl_cmd *cmd, const char *value, void *data); \ +static struct ctrl_cmd_element cmd_##cmdname = { \ + .name = cmdstr, \ + .param = NULL, \ + .get = &get_##cmdname, \ + .set = &set_##cmdname, \ + .verify = &verify_##cmdname, \ +} + +struct gsm_network; + +#endif /* _CONTROL_CMD_H */ diff --git a/include/osmocom/bsc/control_if.h b/include/osmocom/bsc/control_if.h new file mode 100644 index 000000000..6afc86d76 --- /dev/null +++ b/include/osmocom/bsc/control_if.h @@ -0,0 +1,21 @@ +#ifndef _CONTROL_IF_H +#define _CONTROL_IF_H + +#include <osmocom/core/write_queue.h> +#include <openbsc/control_cmd.h> +#include <openbsc/gsm_data.h> + +struct ctrl_handle { + struct osmo_fd listen_fd; + struct gsm_network *gsmnet; + + /* List of control connections */ + struct llist_head ccon_list; +}; + +int ctrl_cmd_send(struct osmo_wqueue *queue, struct ctrl_cmd *cmd); +int ctrl_cmd_handle(struct ctrl_cmd *cmd, void *data); +struct ctrl_handle *controlif_setup(struct gsm_network *gsmnet, uint16_t port); + +#endif /* _CONTROL_IF_H */ + diff --git a/include/osmocom/bsc/crc24.h b/include/osmocom/bsc/crc24.h new file mode 100644 index 000000000..756638c03 --- /dev/null +++ b/include/osmocom/bsc/crc24.h @@ -0,0 +1,10 @@ +#ifndef _CRC24_H +#define _CRC24_H + +#include <stdint.h> + +#define INIT_CRC24 0xffffff + +uint32_t crc24_calc(uint32_t fcs, uint8_t *cp, unsigned int len); + +#endif diff --git a/include/osmocom/bsc/db.h b/include/osmocom/bsc/db.h new file mode 100644 index 000000000..25c2aea70 --- /dev/null +++ b/include/osmocom/bsc/db.h @@ -0,0 +1,82 @@ +/* (C) 2008 by Jan Luebbe <jluebbe@debian.org> + * (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.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 _DB_H +#define _DB_H + +#include "gsm_subscriber.h" + +struct gsm_equipment; +struct gsm_network; +struct gsm_auth_info; +struct gsm_auth_tuple; +struct gsm_sms; +struct gsm_subscriber; + +/* one time initialisation */ +int db_init(const char *name); +int db_prepare(void); +int db_fini(void); + +/* subscriber management */ +struct gsm_subscriber *db_create_subscriber(struct gsm_network *net, + char *imsi); +struct gsm_subscriber *db_get_subscriber(struct gsm_network *net, + enum gsm_subscriber_field field, + const char *subscr); +int db_sync_subscriber(struct gsm_subscriber *subscriber); +int db_subscriber_expire(void *priv, void (*callback)(void *priv, long long unsigned int id)); +int db_subscriber_alloc_tmsi(struct gsm_subscriber *subscriber); +int db_subscriber_alloc_exten(struct gsm_subscriber *subscriber); +int db_subscriber_alloc_token(struct gsm_subscriber *subscriber, uint32_t* token); +int db_subscriber_assoc_imei(struct gsm_subscriber *subscriber, char *imei); +int db_sync_equipment(struct gsm_equipment *equip); +int db_subscriber_update(struct gsm_subscriber *subscriber); + +/* auth info */ +int db_get_authinfo_for_subscr(struct gsm_auth_info *ainfo, + struct gsm_subscriber *subscr); +int db_sync_authinfo_for_subscr(struct gsm_auth_info *ainfo, + struct gsm_subscriber *subscr); +int db_get_lastauthtuple_for_subscr(struct gsm_auth_tuple *atuple, + struct gsm_subscriber *subscr); +int db_sync_lastauthtuple_for_subscr(struct gsm_auth_tuple *atuple, + struct gsm_subscriber *subscr); + +/* SMS store-and-forward */ +int db_sms_store(struct gsm_sms *sms); +struct gsm_sms *db_sms_get(struct gsm_network *net, unsigned long long id); +struct gsm_sms *db_sms_get_unsent(struct gsm_network *net, unsigned long long min_id); +struct gsm_sms *db_sms_get_unsent_by_subscr(struct gsm_network *net, unsigned long long min_subscr_id, unsigned int failed); +struct gsm_sms *db_sms_get_unsent_for_subscr(struct gsm_subscriber *subscr); +int db_sms_mark_sent(struct gsm_sms *sms); +int db_sms_inc_deliver_attempts(struct gsm_sms *sms); + +/* APDU blob storage */ +int db_apdu_blob_store(struct gsm_subscriber *subscr, + uint8_t apdu_id_flags, uint8_t len, + uint8_t *apdu); + +/* Statistics counter storage */ +struct osmo_counter; +int db_store_counter(struct osmo_counter *ctr); +struct rate_ctr_group; +int db_store_rate_ctr_group(struct rate_ctr_group *ctrg); + +#endif /* _DB_H */ diff --git a/include/osmocom/bsc/debug.h b/include/osmocom/bsc/debug.h new file mode 100644 index 000000000..d851181c7 --- /dev/null +++ b/include/osmocom/bsc/debug.h @@ -0,0 +1,65 @@ +#ifndef _DEBUG_H +#define _DEBUG_H + +#include <stdio.h> +#include <osmocom/core/linuxlist.h> + +#define DEBUG +#include <osmocom/core/logging.h> + +/* Debug Areas of the code */ +enum { + DRLL, + DCC, + DMM, + DRR, + DRSL, + DNM, + DMNCC, + DPAG, + DMEAS, + DSCCP, + DMSC, + DMGCP, + DHO, + DDB, + DREF, + DGPRS, + DNS, + DBSSGP, + DLLC, + DSNDCP, + DNAT, + DCTRL, + DSMPP, + Debug_LastEntry, +}; + +/* context */ +#define BSC_CTX_LCHAN 0 +#define BSC_CTX_SUBSCR 1 +#define BSC_CTX_BTS 2 +#define BSC_CTX_SCCP 3 + +/* target */ + +enum { + //DEBUG_FILTER_ALL = 1 << 0, + LOG_FILTER_IMSI = 1 << 1, + LOG_FILTER_NSVC = 1 << 2, + LOG_FILTER_BVC = 1 << 3, +}; + +/* we don't need a header dependency for this... */ +struct gprs_nsvc; +struct bssgp_bvc_ctx; + +void log_set_imsi_filter(struct log_target *target, const char *imsi); +void log_set_nsvc_filter(struct log_target *target, + struct gprs_nsvc *nsvc); +void log_set_bvc_filter(struct log_target *target, + struct bssgp_bvc_ctx *bctx); + +extern const struct log_info log_info; + +#endif /* _DEBUG_H */ diff --git a/include/osmocom/bsc/e1_config.h b/include/osmocom/bsc/e1_config.h new file mode 100644 index 000000000..538c0b09d --- /dev/null +++ b/include/osmocom/bsc/e1_config.h @@ -0,0 +1,11 @@ +#ifndef _E1_CONFIG_H +#define _E1_CONFIG_H + +#include <openbsc/gsm_data_shared.h> + +int e1_reconfig_ts(struct gsm_bts_trx_ts *ts); +int e1_reconfig_trx(struct gsm_bts_trx *trx); +int e1_reconfig_bts(struct gsm_bts *bts); + +#endif /* _E1_CONFIG_H */ + diff --git a/include/osmocom/bsc/gb_proxy.h b/include/osmocom/bsc/gb_proxy.h new file mode 100644 index 000000000..2c8ddb334 --- /dev/null +++ b/include/osmocom/bsc/gb_proxy.h @@ -0,0 +1,38 @@ +#ifndef _GB_PROXY_H +#define _GB_PROXY_H + + +#include <osmocom/core/msgb.h> + +#include <osmocom/gprs/gprs_ns.h> +#include <osmocom/vty/command.h> + +struct gbproxy_config { + /* parsed from config file */ + uint16_t nsip_sgsn_nsei; + + /* misc */ + struct gprs_ns_inst *nsi; +}; + +extern struct gbproxy_config gbcfg; +extern struct cmd_element show_gbproxy_cmd; + +/* gb_proxy_vty .c */ + +int gbproxy_vty_init(void); +int gbproxy_parse_config(const char *config_file, struct gbproxy_config *cfg); + + +/* gb_proxy.c */ + +/* Main input function for Gb proxy */ +int gbprox_rcvmsg(struct msgb *msg, struct gprs_nsvc *nsvc, uint16_t ns_bvci); + +int gbprox_signal(unsigned int subsys, unsigned int signal, + void *handler_data, void *signal_data); + +/* Reset all persistent NS-VC's */ +int gbprox_reset_persistent_nsvcs(struct gprs_ns_inst *nsi); + +#endif diff --git a/include/osmocom/bsc/gprs_gmm.h b/include/osmocom/bsc/gprs_gmm.h new file mode 100644 index 000000000..f6b3e5e7c --- /dev/null +++ b/include/osmocom/bsc/gprs_gmm.h @@ -0,0 +1,19 @@ +#ifndef _GPRS_GMM_H +#define _GPRS_GMM_H + +#include <osmocom/core/msgb.h> +#include <openbsc/gprs_sgsn.h> + +int gsm48_tx_gsm_deact_pdp_req(struct sgsn_pdp_ctx *pdp, uint8_t sm_cause); +int gsm48_tx_gsm_act_pdp_rej(struct sgsn_mm_ctx *mm, uint8_t tid, + uint8_t cause, uint8_t pco_len, uint8_t *pco_v); +int gsm48_tx_gsm_act_pdp_acc(struct sgsn_pdp_ctx *pdp); +int gsm48_tx_gsm_deact_pdp_acc(struct sgsn_pdp_ctx *pdp); + +int gsm0408_gprs_rcvmsg(struct msgb *msg, struct gprs_llc_llme *llme); + +int gprs_gmm_rx_suspend(struct gprs_ra_id *raid, uint32_t tlli); +int gprs_gmm_rx_resume(struct gprs_ra_id *raid, uint32_t tlli, + uint8_t suspend_ref); + +#endif /* _GPRS_GMM_H */ diff --git a/include/osmocom/bsc/gprs_llc.h b/include/osmocom/bsc/gprs_llc.h new file mode 100644 index 000000000..4be7b1f18 --- /dev/null +++ b/include/osmocom/bsc/gprs_llc.h @@ -0,0 +1,202 @@ +#ifndef _GPRS_LLC_H +#define _GPRS_LLC_H + +#include <stdint.h> +#include <openbsc/gprs_sgsn.h> + +/* Section 4.7 LLC Layer Structure */ +enum gprs_llc_sapi { + GPRS_SAPI_GMM = 1, + GPRS_SAPI_TOM2 = 2, + GPRS_SAPI_SNDCP3 = 3, + GPRS_SAPI_SNDCP5 = 5, + GPRS_SAPI_SMS = 7, + GPRS_SAPI_TOM8 = 8, + GPRS_SAPI_SNDCP9 = 9, + GPRS_SAPI_SNDCP11 = 11, +}; + +/* Section 6.4 Commands and Responses */ +enum gprs_llc_u_cmd { + GPRS_LLC_U_DM_RESP = 0x01, + GPRS_LLC_U_DISC_CMD = 0x04, + GPRS_LLC_U_UA_RESP = 0x06, + GPRS_LLC_U_SABM_CMD = 0x07, + GPRS_LLC_U_FRMR_RESP = 0x08, + GPRS_LLC_U_XID = 0x0b, + GPRS_LLC_U_NULL_CMD = 0x00, +}; + +/* Section 6.4.1.6 / Table 6 */ +enum gprs_llc_xid_type { + GPRS_LLC_XID_T_VERSION = 0, + GPRS_LLC_XID_T_IOV_UI = 1, + GPRS_LLC_XID_T_IOV_I = 2, + GPRS_LLC_XID_T_T200 = 3, + GPRS_LLC_XID_T_N200 = 4, + GPRS_LLC_XID_T_N201_U = 5, + GPRS_LLC_XID_T_N201_I = 6, + GPRS_LLC_XID_T_mD = 7, + GPRS_LLC_XID_T_mU = 8, + GPRS_LLC_XID_T_kD = 9, + GPRS_LLC_XID_T_kU = 10, + GPRS_LLC_XID_T_L3_PAR = 11, + GPRS_LLC_XID_T_RESET = 12, +}; + +/* TS 04.64 Section 7.1.2 Table 7: LLC layer primitives (GMM/SNDCP/SMS/TOM) */ +/* TS 04.65 Section 5.1.2 Table 2: Service primitives used by SNDCP */ +enum gprs_llc_primitive { + /* GMM <-> LLME */ + LLGMM_ASSIGN_REQ, /* GMM tells us new TLLI: TLLI old, TLLI new, Kc, CiphAlg */ + LLGMM_RESET_REQ, /* GMM tells us to perform XID negotiation: TLLI */ + LLGMM_RESET_CNF, /* LLC informs GMM that XID has completed: TLLI */ + LLGMM_SUSPEND_REQ, /* GMM tells us MS has suspended: TLLI, Page */ + LLGMM_RESUME_REQ, /* GMM tells us MS has resumed: TLLI */ + LLGMM_PAGE_IND, /* LLC asks GMM to page MS: TLLI */ + LLGMM_IOV_REQ, /* GMM tells us to perform XID: TLLI */ + LLGMM_STATUS_IND, /* LLC informs GMM about error: TLLI, Cause */ + /* LLE <-> (GMM/SNDCP/SMS/TOM) */ + LL_RESET_IND, /* TLLI */ + LL_ESTABLISH_REQ, /* TLLI, XID Req */ + LL_ESTABLISH_IND, /* TLLI, XID Req, N201-I, N201-U */ + LL_ESTABLISH_RESP, /* TLLI, XID Negotiated */ + LL_ESTABLISH_CONF, /* TLLI, XID Neg, N201-i, N201-U */ + LL_RELEASE_REQ, /* TLLI, Local */ + LL_RELEASE_IND, /* TLLI, Cause */ + LL_RELEASE_CONF, /* TLLI */ + LL_XID_REQ, /* TLLI, XID Requested */ + LL_XID_IND, /* TLLI, XID Req, N201-I, N201-U */ + LL_XID_RESP, /* TLLI, XID Negotiated */ + LL_XID_CONF, /* TLLI, XID Neg, N201-I, N201-U */ + LL_DATA_REQ, /* TLLI, SN-PDU, Ref, QoS, Radio Prio, Ciph */ + LL_DATA_IND, /* TLLI, SN-PDU */ + LL_DATA_CONF, /* TLLI, Ref */ + LL_UNITDATA_REQ, /* TLLI, SN-PDU, Ref, QoS, Radio Prio, Ciph */ + LL_UNITDATA_IND, /* TLLI, SN-PDU */ + LL_STATUS_IND, /* TLLI, Cause */ +}; + +/* Section 4.5.2 Logical Link States + Annex C.2 */ +enum gprs_llc_lle_state { + GPRS_LLES_UNASSIGNED = 1, /* No TLLI yet */ + GPRS_LLES_ASSIGNED_ADM = 2, /* TLLI assigned */ + GPRS_LLES_LOCAL_EST = 3, /* Local Establishment */ + GPRS_LLES_REMOTE_EST = 4, /* Remote Establishment */ + GPRS_LLES_ABM = 5, + GPRS_LLES_LOCAL_REL = 6, /* Local Release */ + GPRS_LLES_TIMER_REC = 7, /* Timer Recovery */ +}; + +enum gprs_llc_llme_state { + GPRS_LLMS_UNASSIGNED = 1, /* No TLLI yet */ + GPRS_LLMS_ASSIGNED = 2, /* TLLI assigned */ +}; + +/* Section 8.9.9 LLC layer parameter default values */ +struct gprs_llc_params { + uint16_t iov_i_exp; + uint16_t t200_201; + uint16_t n200; + uint16_t n201_u; + uint16_t n201_i; + uint16_t mD; + uint16_t mU; + uint16_t kD; + uint16_t kU; +}; + +/* Section 4.7.1: Logical Link Entity: One per DLCI (TLLI + SAPI) */ +struct gprs_llc_lle { + struct llist_head list; + + uint32_t sapi; + + struct gprs_llc_llme *llme; + + enum gprs_llc_lle_state state; + + struct osmo_timer_list t200; + struct osmo_timer_list t201; /* wait for acknowledgement */ + + uint16_t v_sent; + uint16_t v_ack; + uint16_t v_recv; + + uint16_t vu_send; + uint16_t vu_recv; + + /* non-standard LLC state */ + uint16_t vu_recv_last; + uint16_t vu_recv_duplicates; + + /* Overflow Counter for ABM */ + uint32_t oc_i_send; + uint32_t oc_i_recv; + + /* Overflow Counter for unconfirmed transfer */ + uint32_t oc_ui_send; + uint32_t oc_ui_recv; + + unsigned int retrans_ctr; + + struct gprs_llc_params params; +}; + +#define NUM_SAPIS 16 + +struct gprs_llc_llme { + struct llist_head list; + + enum gprs_llc_llme_state state; + + uint32_t tlli; + uint32_t old_tlli; + + /* Crypto parameters */ + enum gprs_ciph_algo algo; + uint8_t kc[8]; + + /* over which BSSGP BTS ctx do we need to transmit */ + uint16_t bvci; + uint16_t nsei; + struct gprs_llc_lle lle[NUM_SAPIS]; +}; + +extern struct llist_head gprs_llc_llmes; + +/* BSSGP-UL-UNITDATA.ind */ +int gprs_llc_rcvmsg(struct msgb *msg, struct tlv_parsed *tv); + +/* LL-UNITDATA.req */ +int gprs_llc_tx_ui(struct msgb *msg, uint8_t sapi, int command, + void *mmctx); + +/* Chapter 7.2.1.2 LLGMM-RESET.req */ +int gprs_llgmm_reset(struct gprs_llc_llme *llme); + +/* 04.64 Chapter 7.2.1.1 LLGMM-ASSIGN */ +int gprs_llgmm_assign(struct gprs_llc_llme *llme, + uint32_t old_tlli, uint32_t new_tlli, + enum gprs_ciph_algo alg, const uint8_t *kc); + +int gprs_llc_init(const char *cipher_plugin_path); +int gprs_llc_vty_init(void); + +/** + * \short Check if N(U) should be considered a retransmit + * + * Implements the range check as of GSM 04.64 8.4.2 + * Receipt of unacknowledged information. + * + * @returns Returns 1 if (V(UR)-32) <= N(U) < V(UR) + * @param nu N(U) unconfirmed sequence number of the UI frame + * @param vur V(UR) unconfirmend received state variable + */ +static inline int gprs_llc_is_retransmit(uint16_t nu, uint16_t vur) +{ + int delta = (vur - nu) & 0x1ff; + return 0 < delta && delta < 32; +} + +#endif diff --git a/include/osmocom/bsc/gprs_sgsn.h b/include/osmocom/bsc/gprs_sgsn.h new file mode 100644 index 000000000..8074d8f9b --- /dev/null +++ b/include/osmocom/bsc/gprs_sgsn.h @@ -0,0 +1,222 @@ +#ifndef _GPRS_SGSN_H +#define _GPRS_SGSN_H + +#include <stdint.h> +#include <netinet/in.h> + +#include <osmocom/core/timer.h> + +#include <osmocom/gsm/gsm48.h> + +#include <osmocom/crypt/gprs_cipher.h> + +#define GSM_IMSI_LENGTH 17 +#define GSM_IMEI_LENGTH 17 +#define GSM_EXTENSION_LENGTH 15 + +struct gprs_llc_lle; + +/* TS 04.08 4.1.3.3 GMM mobility management states on the network side */ +enum gprs_mm_state { + GMM_DEREGISTERED, /* 4.1.3.3.1.1 */ + GMM_COMMON_PROC_INIT, /* 4.1.3.3.1.2 */ + GMM_REGISTERED_NORMAL, /* 4.1.3.3.2.1 */ + GMM_REGISTERED_SUSPENDED, /* 4.1.3.3.2.2 */ + GMM_DEREGISTERED_INIT, /* 4.1.3.3.1.4 */ +}; + +enum gprs_mm_ctr { + GMM_CTR_PKTS_SIG_IN, + GMM_CTR_PKTS_SIG_OUT, + GMM_CTR_PKTS_UDATA_IN, + GMM_CTR_PKTS_UDATA_OUT, + GMM_CTR_BYTES_UDATA_IN, + GMM_CTR_BYTES_UDATA_OUT, + GMM_CTR_PDP_CTX_ACT, + GMM_CTR_SUSPEND, + GMM_CTR_PAGING_PS, + GMM_CTR_PAGING_CS, + GMM_CTR_RA_UPDATE, +}; + +enum gprs_pdp_ctx { + PDP_CTR_PKTS_UDATA_IN, + PDP_CTR_PKTS_UDATA_OUT, + PDP_CTR_BYTES_UDATA_IN, + PDP_CTR_BYTES_UDATA_OUT, +}; + +enum gprs_t3350_mode { + GMM_T3350_MODE_ATT, + GMM_T3350_MODE_RAU, + GMM_T3350_MODE_PTMSI_REALL, +}; + +#define MS_RADIO_ACCESS_CAPA + +/* According to TS 03.60, Table 5: SGSN MM and PDP Contexts */ +/* Extended by 3GPP TS 23.060, Table 6: SGSN MM and PDP Contexts */ +struct sgsn_mm_ctx { + struct llist_head list; + + char imsi[GSM_IMSI_LENGTH]; + enum gprs_mm_state mm_state; + uint32_t p_tmsi; + uint32_t p_tmsi_old; /* old P-TMSI before new is confirmed */ + uint32_t p_tmsi_sig; + char imei[GSM_IMEI_LENGTH]; + /* Opt: Software Version Numbber / TS 23.195 */ + char msisdn[GSM_EXTENSION_LENGTH]; + struct gprs_ra_id ra; + uint16_t cell_id; + uint32_t cell_id_age; + uint16_t sac; /* Iu: Service Area Code */ + uint32_t sac_age;/* Iu: Service Area Code age */ + /* VLR number */ + uint32_t new_sgsn_addr; + /* Authentication Triplets */ + /* Kc */ + /* Iu: CK, IK, KSI */ + /* CKSN */ + enum gprs_ciph_algo ciph_algo; + struct { + uint8_t len; + uint8_t buf[50]; /* GSM 04.08 10.5.5.12a, extended in TS 24.008 */ + } ms_radio_access_capa; + struct { + uint8_t len; + uint8_t buf[8]; /* GSM 04.08 10.5.5.12, extended in TS 24.008 */ + } ms_network_capa; + uint16_t drx_parms; + int mnrg; /* MS reported to HLR? */ + int ngaf; /* MS reported to MSC/VLR? */ + int ppf; /* paging for GPRS + non-GPRS? */ + /* SMS Parameters */ + int recovery; + uint8_t radio_prio_sms; + + struct llist_head pdp_list; + + /* Additional bits not present in the GSM TS */ + struct gprs_llc_llme *llme; + uint32_t tlli; + uint32_t tlli_new; + uint16_t nsei; + uint16_t bvci; + struct rate_ctr_group *ctrg; + struct osmo_timer_list timer; + unsigned int T; /* Txxxx number */ + unsigned int num_T_exp; /* number of consecutive T expirations */ + + enum gprs_t3350_mode t3350_mode; + uint8_t t3370_id_type; +}; + +/* look-up a SGSN MM context based on TLLI + RAI */ +struct sgsn_mm_ctx *sgsn_mm_ctx_by_tlli(uint32_t tlli, + const struct gprs_ra_id *raid); +struct sgsn_mm_ctx *sgsn_mm_ctx_by_ptmsi(uint32_t tmsi); +struct sgsn_mm_ctx *sgsn_mm_ctx_by_imsi(const char *imsi); + +/* Allocate a new SGSN MM context */ +struct sgsn_mm_ctx *sgsn_mm_ctx_alloc(uint32_t tlli, + const struct gprs_ra_id *raid); +void sgsn_mm_ctx_free(struct sgsn_mm_ctx *mm); + + +enum pdp_ctx_state { + PDP_STATE_NONE, + PDP_STATE_CR_REQ, + PDP_STATE_CR_CONF, + + /* 04.08 / Figure 6.2 / 6.1.2.2 */ + PDP_STATE_INACT_PEND, + PDP_STATE_INACTIVE = PDP_STATE_NONE, +}; + +enum pdp_type { + PDP_TYPE_NONE, + PDP_TYPE_ETSI_PPP, + PDP_TYPE_IANA_IPv4, + PDP_TYPE_IANA_IPv6, +}; + +struct sgsn_pdp_ctx { + struct llist_head list; /* list_head for mmctx->pdp_list */ + struct llist_head g_list; /* list_head for global list */ + struct sgsn_mm_ctx *mm; /* back pointer to MM CTX */ + struct sgsn_ggsn_ctx *ggsn; /* which GGSN serves this PDP */ + struct rate_ctr_group *ctrg; + + //unsigned int id; + struct pdp_t *lib; /* pointer to libgtp PDP ctx */ + enum pdp_ctx_state state; + enum pdp_type type; + uint32_t address; + char *apn_subscribed; + //char *apn_used; + uint16_t nsapi; /* SNDCP */ + uint16_t sapi; /* LLC */ + uint8_t ti; /* transaction identifier */ + int vplmn_allowed; + uint32_t qos_profile_subscr; + //uint32_t qos_profile_req; + //uint32_t qos_profile_neg; + uint8_t radio_prio; + uint32_t tx_npdu_nr; + uint32_t rx_npdu_nr; + uint32_t tx_gtp_snd; + uint32_t rx_gtp_snu; + //uint32_t charging_id; + int reordering_reqd; + + struct osmo_timer_list timer; + unsigned int T; /* Txxxx number */ + unsigned int num_T_exp; /* number of consecutive T expirations */ +}; + + +/* look up PDP context by MM context and NSAPI */ +struct sgsn_pdp_ctx *sgsn_pdp_ctx_by_nsapi(const struct sgsn_mm_ctx *mm, + uint8_t nsapi); +/* look up PDP context by MM context and transaction ID */ +struct sgsn_pdp_ctx *sgsn_pdp_ctx_by_tid(const struct sgsn_mm_ctx *mm, + uint8_t tid); + +struct sgsn_pdp_ctx *sgsn_pdp_ctx_alloc(struct sgsn_mm_ctx *mm, + uint8_t nsapi); +void sgsn_pdp_ctx_free(struct sgsn_pdp_ctx *pdp); + + +struct sgsn_ggsn_ctx { + struct llist_head list; + uint32_t id; + unsigned int gtp_version; + struct in_addr remote_addr; + int remote_restart_ctr; + struct gsn_t *gsn; +}; +struct sgsn_ggsn_ctx *sgsn_ggsn_ctx_alloc(uint32_t id); +struct sgsn_ggsn_ctx *sgsn_ggsn_ctx_by_id(uint32_t id); +struct sgsn_ggsn_ctx *sgsn_ggsn_ctx_by_addr(struct in_addr *addr); +struct sgsn_ggsn_ctx *sgsn_ggsn_ctx_find_alloc(uint32_t id); + +struct apn_ctx { + struct llist_head list; + struct sgsn_ggsn_ctx *ggsn; + char *name; + char *description; +}; + +extern struct llist_head sgsn_mm_ctxts; +extern struct llist_head sgsn_ggsn_ctxts; +extern struct llist_head sgsn_apn_ctxts; +extern struct llist_head sgsn_pdp_ctxts; + +uint32_t sgsn_alloc_ptmsi(void); + +/* High-level function to be called in case a GGSN has disappeared or + * ottherwise lost state (recovery procedure) */ +int drop_all_pdp_for_ggsn(struct sgsn_ggsn_ctx *ggsn); + +#endif /* _GPRS_SGSN_H */ diff --git a/include/osmocom/bsc/gsm_04_08.h b/include/osmocom/bsc/gsm_04_08.h new file mode 100644 index 000000000..2f5aaa98c --- /dev/null +++ b/include/osmocom/bsc/gsm_04_08.h @@ -0,0 +1,75 @@ +#ifndef _GSM_04_08_H +#define _GSM_04_08_H + +#include <osmocom/gsm/gsm48.h> +#include <osmocom/gsm/gsm_utils.h> +#include <osmocom/gsm/protocol/gsm_04_08.h> + +#include <openbsc/meas_rep.h> + +struct msgb; +struct gsm_bts; +struct gsm_subscriber; +struct gsm_network; +struct gsm_trans; +struct gsm_subscriber_connection; + +#define GSM48_ALLOC_SIZE 2048 +#define GSM48_ALLOC_HEADROOM 256 + +static inline struct msgb *gsm48_msgb_alloc(void) +{ + return msgb_alloc_headroom(GSM48_ALLOC_SIZE, GSM48_ALLOC_HEADROOM, + "GSM 04.08"); +} + +/* config options controlling the behaviour of the lower leves */ +void gsm0408_allow_everyone(int allow); +void gsm0408_clear_request(struct gsm_subscriber_connection *conn, uint32_t cause); +void gsm0408_clear_all_trans(struct gsm_network *net, int protocol); +int gsm0408_dispatch(struct gsm_subscriber_connection *conn, struct msgb *msg); + +int gsm0408_rcvmsg(struct msgb *msg, uint8_t link_id); +int gsm0408_new_conn(struct gsm_subscriber_connection *conn); +enum gsm_chan_t get_ctype_by_chreq(struct gsm_network *bts, uint8_t ra); +/* don't use "enum gsm_chreq_reason_t" to avoid circular dependency */ +int get_reason_by_chreq(uint8_t ra, int neci); +void gsm_net_update_ctype(struct gsm_network *net); + +int gsm48_tx_mm_info(struct gsm_subscriber_connection *conn); +int gsm48_tx_mm_auth_req(struct gsm_subscriber_connection *conn, uint8_t *rand, int key_seq); +int gsm48_tx_mm_auth_rej(struct gsm_subscriber_connection *conn); +int gsm48_send_rr_release(struct gsm_lchan *lchan); +int gsm48_send_rr_ciph_mode(struct gsm_lchan *lchan, int want_imeisv); +int gsm48_send_rr_app_info(struct gsm_subscriber_connection *conn, uint8_t apdu_id, + uint8_t apdu_len, const uint8_t *apdu); +int gsm48_send_rr_ass_cmd(struct gsm_lchan *dest_lchan, struct gsm_lchan *lchan, uint8_t power_class); +int gsm48_send_ho_cmd(struct gsm_lchan *old_lchan, struct gsm_lchan *new_lchan, + uint8_t power_command, uint8_t ho_ref); + +int mncc_tx_to_cc(struct gsm_network *net, int msg_type, void *arg); + +/* convert a ASCII phone number to call-control BCD */ +int encode_bcd_number(uint8_t *bcd_lv, uint8_t max_len, + int h_len, const char *input); +int decode_bcd_number(char *output, int output_len, const uint8_t *bcd_lv, + int h_len); + +int send_siemens_mrpci(struct gsm_lchan *lchan, uint8_t *classmark2_lv); +int gsm48_extract_mi(uint8_t *classmark2, int length, char *mi_string, uint8_t *mi_type); +int gsm48_paging_extract_mi(struct gsm48_pag_resp *pag, int length, char *mi_string, uint8_t *mi_type); +int gsm48_handle_paging_resp(struct gsm_subscriber_connection *conn, struct msgb *msg, struct gsm_subscriber *subscr); + +int gsm48_lchan_modify(struct gsm_lchan *lchan, uint8_t lchan_mode); +int gsm48_rx_rr_modif_ack(struct msgb *msg); +int gsm48_parse_meas_rep(struct gsm_meas_rep *rep, struct msgb *msg); + +struct msgb *gsm48_create_mm_serv_rej(enum gsm48_reject_value value); +struct msgb *gsm48_create_loc_upd_rej(uint8_t cause); +void gsm48_lchan2chan_desc(struct gsm48_chan_desc *cd, + const struct gsm_lchan *lchan); + +void release_security_operation(struct gsm_subscriber_connection *conn); +void allocate_security_operation(struct gsm_subscriber_connection *conn); + +#endif diff --git a/include/osmocom/bsc/gsm_04_08_gprs.h b/include/osmocom/bsc/gsm_04_08_gprs.h new file mode 100644 index 000000000..cd2a08c59 --- /dev/null +++ b/include/osmocom/bsc/gsm_04_08_gprs.h @@ -0,0 +1,381 @@ +#ifndef _GSM48_GPRS_H +#define _GSM48_GPRS_H + +#include <stdint.h> +#include <osmocom/gsm/protocol/gsm_04_08.h> + +/* Table 10.4 / 10.4a, GPRS Mobility Management (GMM) */ +#define GSM48_MT_GMM_ATTACH_REQ 0x01 +#define GSM48_MT_GMM_ATTACH_ACK 0x02 +#define GSM48_MT_GMM_ATTACH_COMPL 0x03 +#define GSM48_MT_GMM_ATTACH_REJ 0x04 +#define GSM48_MT_GMM_DETACH_REQ 0x05 +#define GSM48_MT_GMM_DETACH_ACK 0x06 + +#define GSM48_MT_GMM_RA_UPD_REQ 0x08 +#define GSM48_MT_GMM_RA_UPD_ACK 0x09 +#define GSM48_MT_GMM_RA_UPD_COMPL 0x0a +#define GSM48_MT_GMM_RA_UPD_REJ 0x0b + +#define GSM48_MT_GMM_PTMSI_REALL_CMD 0x10 +#define GSM48_MT_GMM_PTMSI_REALL_COMPL 0x11 +#define GSM48_MT_GMM_AUTH_CIPH_REQ 0x12 +#define GSM48_MT_GMM_AUTH_CIPH_RESP 0x13 +#define GSM48_MT_GMM_AUTH_CIPH_REJ 0x14 +#define GSM48_MT_GMM_ID_REQ 0x15 +#define GSM48_MT_GMM_ID_RESP 0x16 +#define GSM48_MT_GMM_STATUS 0x20 +#define GSM48_MT_GMM_INFO 0x21 + +/* Table 10.4a, GPRS Session Management (GSM) */ +#define GSM48_MT_GSM_ACT_PDP_REQ 0x41 +#define GSM48_MT_GSM_ACT_PDP_ACK 0x42 +#define GSM48_MT_GSM_ACT_PDP_REJ 0x43 +#define GSM48_MT_GSM_REQ_PDP_ACT 0x44 +#define GSM48_MT_GSM_REQ_PDP_ACT_REJ 0x45 +#define GSM48_MT_GSM_DEACT_PDP_REQ 0x46 +#define GSM48_MT_GSM_DEACT_PDP_ACK 0x47 +#define GSM48_MT_GSM_ACT_AA_PDP_REQ 0x50 +#define GSM48_MT_GSM_ACT_AA_PDP_ACK 0x51 +#define GSM48_MT_GSM_ACT_AA_PDP_REJ 0x52 +#define GSM48_MT_GSM_DEACT_AA_PDP_REQ 0x53 +#define GSM48_MT_GSM_DEACT_AA_PDP_ACK 0x54 +#define GSM48_MT_GSM_STATUS 0x55 + +/* Chapter 10.5.5.2 / Table 10.5.135 */ +#define GPRS_ATT_T_ATTACH 1 +#define GPRS_ATT_T_ATT_WHILE_IMSI 2 +#define GPRS_ATT_T_COMBINED 3 + +/* Chapter 10.5.5.5 / Table 10.5.138 */ +#define GPRS_DET_T_MO_GPRS 1 +#define GPRS_DET_T_MO_IMSI 2 +#define GPRS_DET_T_MO_COMBINED 3 +/* Network to MS direction */ +#define GPRS_DET_T_MT_REATT_REQ 1 +#define GPRS_DET_T_MT_REATT_NOTREQ 2 +#define GPRS_DET_T_MT_IMSI 3 + +/* Chapter 10.5.5.18 / Table 105.150 */ +#define GPRS_UPD_T_RA 0 +#define GPRS_UPD_T_RA_LA 1 +#define GPRS_UPD_T_RA_LA_IMSI_ATT 2 +#define GPRS_UPD_T_PERIODIC 3 + +enum gsm48_gprs_ie_mm { + GSM48_IE_GMM_CIPH_CKSN = 0x08, /* 10.5.1.2 */ + GSM48_IE_GMM_TIMER_READY = 0x17, /* 10.5.7.3 */ + GSM48_IE_GMM_ALLOC_PTMSI = 0x18, /* 10.5.1.4 */ + GSM48_IE_GMM_PTMSI_SIG = 0x19, /* 10.5.5.8 */ + GSM48_IE_GMM_AUTH_RAND = 0x21, /* 10.5.3.1 */ + GSM48_IE_GMM_AUTH_SRES = 0x22, /* 10.5.3.2 */ + GSM48_IE_GMM_IMEISV = 0x23, /* 10.5.1.4 */ + GSM48_IE_GMM_DRX_PARAM = 0x27, /* 10.5.5.6 */ + GSM48_IE_GMM_MS_NET_CAPA = 0x31, /* 10.5.5.12 */ + GSM48_IE_GMM_PDP_CTX_STATUS = 0x32, /* 10.5.7.1 */ + GSM48_IE_GMM_PS_LCS_CAPA = 0x33, /* 10.5.5.22 */ + GSM48_IE_GMM_GMM_MBMS_CTX_ST = 0x35, /* 10.5.7.6 */ +}; + +enum gsm48_gprs_ie_sm { + GSM48_IE_GSM_APN = 0x28, /* 10.5.6.1 */ + GSM48_IE_GSM_PROTO_CONF_OPT = 0x27, /* 10.5.6.3 */ + GSM48_IE_GSM_PDP_ADDR = 0x2b, /* 10.5.6.4 */ + GSM48_IE_GSM_AA_TMR = 0x29, /* 10.5.7.3 */ + GSM48_IE_GSM_NAME_FULL = 0x43, /* 10.5.3.5a */ + GSM48_IE_GSM_NAME_SHORT = 0x45, /* 10.5.3.5a */ + GSM48_IE_GSM_TIMEZONE = 0x46, /* 10.5.3.8 */ + GSM48_IE_GSM_UTC_AND_TZ = 0x47, /* 10.5.3.9 */ + GSM48_IE_GSM_LSA_ID = 0x48, /* 10.5.3.11 */ + + /* Fake IEs that are not present on the Layer3 air interface, + * but which we use to simplify internal APIs */ + OSMO_IE_GSM_REQ_QOS = 0xfd, + OSMO_IE_GSM_REQ_PDP_ADDR = 0xfe, +}; + +/* Chapter 9.4.15 / Table 9.4.15 */ +struct gsm48_ra_upd_ack { + uint8_t force_stby:4, /* 10.5.5.7 */ + upd_result:4; /* 10.5.5.17 */ + uint8_t ra_upd_timer; /* 10.5.7.3 */ + struct gsm48_ra_id ra_id; /* 10.5.5.15 */ + uint8_t data[0]; +} __attribute__((packed)); + +/* Chapter 10.5.7.3 */ +enum gsm48_gprs_tmr_unit { + GPRS_TMR_2SECONDS = 0 << 5, + GPRS_TMR_MINUTE = 1 << 5, + GPRS_TMR_6MINUTE = 2 << 5, + GPRS_TMR_DEACTIVATED = 3 << 5, +}; + +/* Chapter 9.4.2 / Table 9.4.2 */ +struct gsm48_attach_ack { + uint8_t att_result:4, /* 10.5.5.7 */ + force_stby:4; /* 10.5.5.1 */ + uint8_t ra_upd_timer; /* 10.5.7.3 */ + uint8_t radio_prio; /* 10.5.7.2 */ + struct gsm48_ra_id ra_id; /* 10.5.5.15 */ + uint8_t data[0]; +} __attribute__((packed)); + +/* Chapter 9.4.9 / Table 9.4.9 */ +struct gsm48_auth_ciph_req { + uint8_t ciph_alg:4, /* 10.5.5.3 */ + imeisv_req:4; /* 10.5.5.10 */ + uint8_t force_stby:4, /* 10.5.5.7 */ + ac_ref_nr:4; /* 10.5.5.19 */ + uint8_t data[0]; +} __attribute__((packed)); +/* optional: TV RAND, TV CKSN */ + +struct gsm48_auth_ciph_resp { + uint8_t ac_ref_nr:4, + spare:4; + uint8_t data[0]; +} __attribute__((packed)); + +/* Chapter 9.5.1 / Table 9.5.1 */ +struct gsm48_act_pdp_ctx_req { + uint8_t req_nsapi; + uint8_t req_llc_sapi; + uint8_t data[0]; +} __attribute__((packed)); + +/* Chapter 10.5.5.14 / Table 10.5.147 */ +enum gsm48_gmm_cause { + GMM_CAUSE_IMSI_UNKNOWN = 0x02, + GMM_CAUSE_ILLEGAL_MS = 0x03, + GMM_CAUSE_ILLEGAL_ME = 0x06, + GMM_CAUSE_GPRS_NOTALLOWED = 0x07, + GMM_CAUSE_GPRS_OTHER_NOTALLOWED = 0x08, + GMM_CAUSE_MS_ID_NOT_DERIVED = 0x09, + GMM_CAUSE_IMPL_DETACHED = 0x0a, + GMM_CAUSE_PLMN_NOTALLOWED = 0x0b, + GMM_CAUSE_LA_NOTALLOWED = 0x0c, + GMM_CAUSE_ROAMING_NOTALLOWED = 0x0d, + GMM_CAUSE_NO_GPRS_PLMN = 0x0e, + GMM_CAUSE_MSC_TEMP_NOTREACH = 0x10, + GMM_CAUSE_NET_FAIL = 0x11, + GMM_CAUSE_CONGESTION = 0x16, + GMM_CAUSE_SEM_INCORR_MSG = 0x5f, + GMM_CAUSE_INV_MAND_INFO = 0x60, + GMM_CAUSE_MSGT_NOTEXIST_NOTIMPL = 0x61, + GMM_CAUSE_MSGT_INCOMP_P_STATE = 0x62, + GMM_CAUSE_IE_NOTEXIST_NOTIMPL = 0x63, + GMM_CAUSE_COND_IE_ERR = 0x64, + GMM_CAUSE_MSG_INCOMP_P_STATE = 0x65, + GMM_CAUSE_PROTO_ERR_UNSPEC = 0x6f, +}; + +/* Chapter 10.4.6.6 / Table 10.5.157 */ +enum gsm48_gsm_cause { + GSM_CAUSE_INSUFF_RSRC = 0x1a, + GSM_CAUSE_MISSING_APN = 0x1b, + GSM_CAUSE_UNKNOWN_PDP = 0x1c, + GSM_CAUSE_AUTH_FAILED = 0x1d, + GSM_CAUSE_ACT_REJ_GGSN = 0x1e, + GSM_CAUSE_ACT_REJ_UNSPEC = 0x1f, + GSM_CAUSE_SERV_OPT_NOTSUPP = 0x20, + GSM_CAUSE_REQ_SERV_OPT_NOTSUB = 0x21, + GSM_CAUSE_SERV_OPT_TEMP_OOO = 0x22, + GSM_CAUSE_NSAPI_IN_USE = 0x23, + GSM_CAUSE_DEACT_REGULAR = 0x24, + GSM_CAUSE_QOS_NOT_ACCEPTED = 0x25, + GSM_CAUSE_NET_FAIL = 0x26, + GSM_CAUSE_REACT_RQD = 0x27, + GSM_CAUSE_FEATURE_NOTSUPP = 0x28, + GSM_CAUSE_INVALID_TRANS_ID = 0x51, + GSM_CAUSE_SEM_INCORR_MSG = 0x5f, + GSM_CAUSE_INV_MAND_INFO = 0x60, + GSM_CAUSE_MSGT_NOTEXIST_NOTIMPL = 0x61, + GSM_CAUSE_MSGT_INCOMP_P_STATE = 0x62, + GSM_CAUSE_IE_NOTEXIST_NOTIMPL = 0x63, + GSM_CAUSE_COND_IE_ERR = 0x64, + GSM_CAUSE_MSG_INCOMP_P_STATE = 0x65, + GSM_CAUSE_PROTO_ERR_UNSPEC = 0x6f, +}; + +/* Section 6.1.2.2: Session management states on the network side */ +enum gsm48_pdp_state { + PDP_S_INACTIVE, + PDP_S_ACTIVE_PENDING, + PDP_S_ACTIVE, + PDP_S_INACTIVE_PENDING, + PDP_S_MODIFY_PENDING, +}; + +/* Table 10.5.155/3GPP TS 24.008 */ +enum gsm48_pdp_type_org { + PDP_TYPE_ORG_ETSI = 0x00, + PDP_TYPE_ORG_IETF = 0x01, +}; +enum gsm48_pdp_type_nr { + PDP_TYPE_N_ETSI_RESERVED = 0x00, + PDP_TYPE_N_ETSI_PPP = 0x01, + PDP_TYPE_N_IETF_IPv4 = 0x21, + PDP_TYPE_N_IETF_IPv6 = 0x57, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +enum gsm48_qos_reliab_class { + GSM48_QOS_RC_LLC_ACK_RLC_ACK_DATA_PROT = 2, + GSM48_QOS_RC_LLC_UN_RLC_ACK_DATA_PROT = 3, + GSM48_QOS_RC_LLC_UN_RLC_UN_PROT_DATA = 4, + GSM48_QOS_RC_LLC_UN_RLC_UN_DATA_UN = 5, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +enum gsm48_qos_preced_class { + GSM48_QOS_PC_HIGH = 1, + GSM48_QOS_PC_NORMAL = 2, + GSM48_QOS_PC_LOW = 3, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +enum gsm48_qos_peak_tput { + GSM48_QOS_PEAK_TPUT_1000bps = 1, + GSM48_QOS_PEAK_TPUT_2000bps = 2, + GSM48_QOS_PEAK_TPUT_4000bps = 3, + GSM48_QOS_PEAK_TPUT_8000bps = 4, + GSM48_QOS_PEAK_TPUT_16000bps = 5, + GSM48_QOS_PEAK_TPUT_32000bps = 6, + GSM48_QOS_PEAK_TPUT_64000bps = 7, + GSM48_QOS_PEAK_TPUT_128000bps = 8, + GSM48_QOS_PEAK_TPUT_256000bps = 9, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +enum gsm48_qos_mean_tput { + GSM48_QOS_MEAN_TPUT_100bph = 1, + GSM48_QOS_MEAN_TPUT_200bph = 2, + GSM48_QOS_MEAN_TPUT_500bph = 3, + GSM48_QOS_MEAN_TPUT_1000bph = 4, + GSM48_QOS_MEAN_TPUT_2000bph = 5, + GSM48_QOS_MEAN_TPUT_5000bph = 6, + GSM48_QOS_MEAN_TPUT_10000bph = 7, + GSM48_QOS_MEAN_TPUT_20000bph = 8, + GSM48_QOS_MEAN_TPUT_50000bph = 9, + GSM48_QOS_MEAN_TPUT_100kbph = 10, + GSM48_QOS_MEAN_TPUT_200kbph = 11, + GSM48_QOS_MEAN_TPUT_500kbph = 0xc, + GSM48_QOS_MEAN_TPUT_1Mbph = 0xd, + GSM48_QOS_MEAN_TPUT_2Mbph = 0xe, + GSM48_QOS_MEAN_TPUT_5Mbph = 0xf, + GSM48_QOS_MEAN_TPUT_10Mbph = 0x10, + GSM48_QOS_MEAN_TPUT_20Mbph = 0x11, + GSM48_QOS_MEAN_TPUT_50Mbph = 0x12, + GSM48_QOS_MEAN_TPUT_BEST_EFFORT = 0x1f, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +enum gsm48_qos_err_sdu { + GSM48_QOS_ERRSDU_NODETECT = 1, + GSM48_QOS_ERRSDU_YES = 2, + GSM48_QOS_ERRSDU_NO = 3, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +enum gsm48_qos_deliv_order { + GSM48_QOS_DO_ORDERED = 1, + GSM48_QOS_DO_UNORDERED = 2, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +enum gsm48_qos_traf_class { + GSM48_QOS_TC_CONVERSATIONAL = 1, + GSM48_QOS_TC_STREAMING = 2, + GSM48_QOS_TC_INTERACTIVE = 3, + GSM48_QOS_TC_BACKGROUND = 4, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +enum gsm48_qos_max_sdu_size { + /* values below in 10 octet granularity */ + GSM48_QOS_MAXSDU_1502 = 0x97, + GSM48_QOS_MAXSDU_1510 = 0x98, + GSM48_QOS_MAXSDU_1520 = 0x99, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +enum gsm48_qos_max_bitrate { + GSM48_QOS_MBRATE_1k = 0x01, + GSM48_QOS_MBRATE_63k = 0x3f, + GSM48_QOS_MBRATE_64k = 0x40, + GSM48_QOS_MBRATE_568k = 0x7f, + GSM48_QOS_MBRATE_576k = 0x80, + GSM48_QOS_MBRATE_8640k = 0xfe, + GSM48_QOS_MBRATE_0k = 0xff, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +enum gsm48_qos_resid_ber { + GSM48_QOS_RBER_5e_2 = 0x01, + GSM48_QOS_RBER_1e_2 = 0x02, + GSM48_QOS_RBER_5e_3 = 0x03, + GSM48_QOS_RBER_4e_3 = 0x04, + GSM48_QOS_RBER_1e_3 = 0x05, + GSM48_QOS_RBER_1e_4 = 0x06, + GSM48_QOS_RBER_1e_5 = 0x07, + GSM48_QOS_RBER_1e_6 = 0x08, + GSM48_QOS_RBER_6e_8 = 0x09, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +enum gsm48_qos_sdu_err { + GSM48_QOS_SERR_1e_2 = 0x01, + GSM48_QOS_SERR_7e_2 = 0x02, + GSM48_QOS_SERR_1e_3 = 0x03, + GSM48_QOS_SERR_1e_4 = 0x04, + GSM48_QOS_SERR_1e_5 = 0x05, + GSM48_QOS_SERR_1e_6 = 0x06, + GSM48_QOS_SERR_1e_1 = 0x07, +}; + +/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */ +struct gsm48_qos { + /* octet 3 */ + uint8_t reliab_class:3; + uint8_t delay_class:3; + uint8_t spare:2; + /* octet 4 */ + uint8_t preced_class:3; + uint8_t spare2:1; + uint8_t peak_tput:4; + /* octet 5 */ + uint8_t mean_tput:5; + uint8_t spare3:3; + /* octet 6 */ + uint8_t deliv_err_sdu:3; + uint8_t deliv_order:2; + uint8_t traf_class:3; + /* octet 7 */ + uint8_t max_sdu_size; + /* octet 8 */ + uint8_t max_bitrate_up; + /* octet 9 */ + uint8_t max_bitrate_down; + /* octet 10 */ + uint8_t sdu_err_ratio:4; + uint8_t resid_ber:4; + /* octet 11 */ + uint8_t handling_prio:2; + uint8_t xfer_delay:6; + /* octet 12 */ + uint8_t guar_bitrate_up; + /* octet 13 */ + uint8_t guar_bitrate_down; + /* octet 14 */ + uint8_t src_stats_desc:4; + uint8_t sig_ind:1; + uint8_t spare5:3; + /* octet 15 */ + uint8_t max_bitrate_down_ext; + /* octet 16 */ + uint8_t guar_bitrate_down_ext; +}; + + +#endif /* _GSM48_GPRS_H */ diff --git a/include/osmocom/bsc/gsm_04_11.h b/include/osmocom/bsc/gsm_04_11.h new file mode 100644 index 000000000..72b694825 --- /dev/null +++ b/include/osmocom/bsc/gsm_04_11.h @@ -0,0 +1,40 @@ +#ifndef _GSM_04_11_H +#define _GSM_04_11_H + +#include <osmocom/gsm/protocol/gsm_04_11.h> + +#define UM_SAPI_SMS 3 /* See GSM 04.05/04.06 */ + +/* SMS deliver PDU */ +struct sms_deliver { + uint8_t mti:2; /* message type indicator */ + uint8_t mms:1; /* more messages to send */ + uint8_t rp:1; /* reply path */ + uint8_t udhi:1; /* user data header indicator */ + uint8_t sri:1; /* status report indication */ + uint8_t *orig_addr; /* originating address */ + uint8_t pid; /* protocol identifier */ + uint8_t dcs; /* data coding scheme */ + /* service centre time stamp */ + uint8_t ud_len; /* user data length */ + uint8_t *user_data; /* user data */ + + uint8_t msg_ref; /* message reference */ + uint8_t *smsc; +}; + +struct msgb; + +int gsm0411_rcv_sms(struct gsm_subscriber_connection *conn, struct msgb *msg); + +struct gsm_sms *sms_alloc(void); +void sms_free(struct gsm_sms *sms); +struct gsm_sms *sms_from_text(struct gsm_subscriber *receiver, struct gsm_subscriber *sender, int dcs, const char *text); + +void _gsm411_sms_trans_free(struct gsm_trans *trans); +int gsm411_send_sms_subscr(struct gsm_subscriber *subscr, + struct gsm_sms *sms); +int gsm411_send_sms(struct gsm_subscriber_connection *conn, + struct gsm_sms *sms); +void gsm411_sapi_n_reject(struct gsm_subscriber_connection *conn); +#endif diff --git a/include/osmocom/bsc/gsm_04_80.h b/include/osmocom/bsc/gsm_04_80.h new file mode 100644 index 000000000..0a6065234 --- /dev/null +++ b/include/osmocom/bsc/gsm_04_80.h @@ -0,0 +1,20 @@ +#ifndef _GSM_04_80_H +#define _GSM_04_80_H + +#include <osmocom/core/msgb.h> +#include <osmocom/gsm/protocol/gsm_04_80.h> +#include <osmocom/gsm/gsm0480.h> + +struct gsm_subscriber_connection; + +int gsm0480_send_ussd_response(struct gsm_subscriber_connection *conn, + const struct msgb *in_msg, const char* response_text, + const struct ussd_request *req); +int gsm0480_send_ussd_reject(struct gsm_subscriber_connection *conn, + const struct msgb *msg, + const struct ussd_request *request); + +int gsm0480_send_ussdNotify(struct gsm_subscriber_connection *conn, int level, const char *text); +int gsm0480_send_releaseComplete(struct gsm_subscriber_connection *conn); + +#endif diff --git a/include/osmocom/bsc/gsm_data.h b/include/osmocom/bsc/gsm_data.h new file mode 100644 index 000000000..874150535 --- /dev/null +++ b/include/osmocom/bsc/gsm_data.h @@ -0,0 +1,408 @@ +#ifndef _GSM_DATA_H +#define _GSM_DATA_H + +#include <stdint.h> + +#include <osmocom/core/timer.h> +#include <osmocom/core/select.h> + +#include <openbsc/rest_octets.h> + +/** annotations for msgb ownership */ +#define __uses + +#define OBSC_NM_W_ACK_CB(__msgb) (__msgb)->cb[3] + +struct mncc_sock_state; + +#define OBSC_LINKID_CB(__msgb) (__msgb)->cb[3] + +enum gsm_security_event { + GSM_SECURITY_NOAVAIL, + GSM_SECURITY_AUTH_FAILED, + GSM_SECURITY_SUCCEEDED, + GSM_SECURITY_ALREADY, +}; + +struct msgb; +typedef int gsm_cbfn(unsigned int hooknum, + unsigned int event, + struct msgb *msg, + void *data, void *param); + +/* Real authentication information containing Ki */ +enum gsm_auth_algo { + AUTH_ALGO_NONE, + AUTH_ALGO_XOR, + AUTH_ALGO_COMP128v1, +}; + +struct gsm_auth_info { + enum gsm_auth_algo auth_algo; + unsigned int a3a8_ki_len; + uint8_t a3a8_ki[16]; +}; + +struct gsm_auth_tuple { + int use_count; + int key_seq; + uint8_t rand[16]; + uint8_t sres[4]; + uint8_t kc[8]; +}; +#define GSM_KEY_SEQ_INVAL 7 /* GSM 04.08 - 10.5.1.2 */ + +/* + * LOCATION UPDATING REQUEST state + * + * Our current operation is: + * - Get imei/tmsi + * - Accept/Reject according to global policy + */ +struct gsm_loc_updating_operation { + struct osmo_timer_list updating_timer; + unsigned int waiting_for_imsi : 1; + unsigned int waiting_for_imei : 1; + unsigned int key_seq : 4; +}; + +/* + * AUTHENTICATION/CIPHERING state + */ +struct gsm_security_operation { + struct gsm_auth_tuple atuple; + gsm_cbfn *cb; + void *cb_data; +}; + +/* + * A dummy to keep a connection up for at least + * a couple of seconds to work around MSC issues. + */ +struct gsm_anchor_operation { + struct osmo_timer_list timeout; +}; + +/* Maximum number of neighbor cells whose average we track */ +#define MAX_NEIGH_MEAS 10 +/* Maximum size of the averaging window for neighbor cells */ +#define MAX_WIN_NEIGH_AVG 10 + +/* processed neighbor measurements for one cell */ +struct neigh_meas_proc { + uint16_t arfcn; + uint8_t bsic; + uint8_t rxlev[MAX_WIN_NEIGH_AVG]; + unsigned int rxlev_cnt; + uint8_t last_seen_nr; +}; + +/* the per subscriber data for lchan */ +struct gsm_subscriber_connection { + struct llist_head entry; + + /* To whom we are allocated at the moment */ + struct gsm_subscriber *subscr; + + /* LU expiration handling */ + uint8_t expire_timer_stopped; + + /* + * Operations that have a state and might be pending + */ + struct gsm_loc_updating_operation *loc_operation; + struct gsm_security_operation *sec_operation; + struct gsm_anchor_operation *anch_operation; + + /* Are we part of a special "silent" call */ + int silent_call; + int put_channel; + + /* bsc structures */ + struct osmo_bsc_sccp_con *sccp_con; + + /* back pointers */ + int in_release; + struct gsm_lchan *lchan; + struct gsm_lchan *ho_lchan; + struct gsm_bts *bts; + + /* for assignment handling */ + struct osmo_timer_list T10; + struct gsm_lchan *secondary_lchan; + +}; + + +#define ROLE_BSC +#include "gsm_data_shared.h" + + +/* Some statistics of our network */ +struct gsmnet_stats { + struct { + struct osmo_counter *total; + struct osmo_counter *no_channel; + } chreq; + struct { + struct osmo_counter *attempted; + struct osmo_counter *no_channel; /* no channel available */ + struct osmo_counter *timeout; /* T3103 timeout */ + struct osmo_counter *completed; /* HO COMPL received */ + struct osmo_counter *failed; /* HO FAIL received */ + } handover; + struct { + struct osmo_counter *attach; + struct osmo_counter *normal; + struct osmo_counter *periodic; + struct osmo_counter *detach; + } loc_upd_type; + struct { + struct osmo_counter *reject; + struct osmo_counter *accept; + } loc_upd_resp; + struct { + struct osmo_counter *attempted; + struct osmo_counter *detached; + struct osmo_counter *completed; + struct osmo_counter *expired; + } paging; + struct { + struct osmo_counter *submitted; /* MO SMS submissions */ + struct osmo_counter *no_receiver; + struct osmo_counter *delivered; /* MT SMS deliveries */ + struct osmo_counter *rp_err_mem; + struct osmo_counter *rp_err_other; + } sms; + struct { + struct osmo_counter *mo_setup; + struct osmo_counter *mo_connect_ack; + struct osmo_counter *mt_setup; + struct osmo_counter *mt_connect; + } call; + struct { + struct osmo_counter *rf_fail; + struct osmo_counter *rll_err; + } chan; + struct { + struct osmo_counter *oml_fail; + struct osmo_counter *rsl_fail; + } bts; +}; + +enum gsm_auth_policy { + GSM_AUTH_POLICY_CLOSED, /* only subscribers authorized in DB */ + GSM_AUTH_POLICY_ACCEPT_ALL, /* accept everyone, even if not authorized in DB */ + GSM_AUTH_POLICY_TOKEN, /* accept first, send token per sms, then revoke authorization */ +}; + +#define GSM_T3101_DEFAULT 10 +#define GSM_T3105_DEFAULT 40 +#define GSM_T3113_DEFAULT 60 +#define GSM_T3122_DEFAULT 10 + +struct gsm_network { + /* global parameters */ + uint16_t country_code; + uint16_t network_code; + char *name_long; + char *name_short; + enum gsm_auth_policy auth_policy; + enum gsm48_reject_value reject_cause; + int a5_encryption; + int neci; + int send_mm_info; + struct { + int active; + /* Window RXLEV averaging */ + unsigned int win_rxlev_avg; /* number of SACCH frames */ + /* Window RXQUAL averaging */ + unsigned int win_rxqual_avg; /* number of SACCH frames */ + /* Window RXLEV neighbouring cells averaging */ + unsigned int win_rxlev_avg_neigh; /* number of SACCH frames */ + + /* how often should we check for power budget HO */ + unsigned int pwr_interval; /* SACCH frames */ + /* how much better does a neighbor cell have to be ? */ + unsigned int pwr_hysteresis; /* dBm */ + /* maximum distacne before we try a handover */ + unsigned int max_distance; /* TA values */ + } handover; + + struct gsmnet_stats stats; + + /* layer 4 */ + struct mncc_sock_state *mncc_state; + int (*mncc_recv) (struct gsm_network *net, struct msgb *msg); + struct llist_head upqueue; + struct llist_head trans_list; + struct bsc_api *bsc_api; + + unsigned int num_bts; + struct llist_head bts_list; + + /* timer values */ + int T3101; + int T3103; + int T3105; + int T3107; + int T3109; + int T3111; + int T3113; + int T3115; + int T3117; + int T3119; + int T3122; + int T3141; + + /* timer to expire old location updates */ + struct osmo_timer_list subscr_expire_timer; + + /* Radio Resource Location Protocol (TS 04.31) */ + struct { + enum rrlp_mode mode; + } rrlp; + + /* enable the DTXu and DTXd for this network */ + int dtx_enabled; + + enum gsm_chan_t ctype_by_chreq[16]; + + /* Use a TCH for handling requests of type paging any */ + int pag_any_tch; + + /* MSC data in case we are a true BSC */ + struct osmo_bsc_data *bsc_data; + + /* subscriber related features */ + int keep_subscr; + struct gsm_sms_queue *sms_queue; + + /* control interface */ + struct ctrl_handle *ctrl; +}; + +struct osmo_esme; + +enum gsm_sms_source_id { + SMS_SOURCE_UNKNOWN = 0, + SMS_SOURCE_MS, /* received from MS */ + SMS_SOURCE_VTY, /* received from VTY */ + SMS_SOURCE_SMPP, /* received via SMPP */ +}; + +#define SMS_HDR_SIZE 128 +#define SMS_TEXT_SIZE 256 + +struct gsm_sms_addr { + uint8_t ton; + uint8_t npi; + char addr[21+1]; +}; + +struct gsm_sms { + unsigned long long id; + struct gsm_subscriber *sender; + struct gsm_subscriber *receiver; + struct gsm_sms_addr src, dst; + enum gsm_sms_source_id source; + + struct { + struct osmo_esme *esme; + uint32_t sequence_nr; + int transaction_mode; + char msg_id[16]; + } smpp; + + unsigned long validity_minutes; + uint8_t reply_path_req; + uint8_t status_rep_req; + uint8_t ud_hdr_ind; + uint8_t protocol_id; + uint8_t data_coding_scheme; + uint8_t msg_ref; + uint8_t user_data_len; + uint8_t user_data[SMS_TEXT_SIZE]; + + char text[SMS_TEXT_SIZE]; +}; + +struct gsm_network *gsm_network_init(uint16_t country_code, uint16_t network_code, + int (*mncc_recv)(struct gsm_network *, struct msgb *)); +int gsm_set_bts_type(struct gsm_bts *bts, enum gsm_bts_type type); + +struct gsm_bts *gsm_bts_num(struct gsm_network *net, int num); + +/* Get reference to a neighbor cell on a given BCCH ARFCN */ +struct gsm_bts *gsm_bts_neighbor(const struct gsm_bts *bts, + uint16_t arfcn, uint8_t bsic); + +enum gsm_bts_type parse_btstype(const char *arg); +const char *btstype2str(enum gsm_bts_type type); +struct gsm_bts *gsm_bts_by_lac(struct gsm_network *net, unsigned int lac, + struct gsm_bts *start_bts); + +extern void *tall_bsc_ctx; +extern int ipacc_rtp_direct; + +/* this actaully refers to the IPA transport, not the BTS model */ +static inline int is_ipaccess_bts(struct gsm_bts *bts) +{ + switch (bts->type) { + case GSM_BTS_TYPE_NANOBTS: + case GSM_BTS_TYPE_OSMO_SYSMO: + return 1; + default: + break; + } + return 0; +} + +static inline int is_siemens_bts(struct gsm_bts *bts) +{ + switch (bts->type) { + case GSM_BTS_TYPE_BS11: + return 1; + default: + break; + } + + return 0; +} + +enum gsm_auth_policy gsm_auth_policy_parse(const char *arg); +const char *gsm_auth_policy_name(enum gsm_auth_policy policy); + +enum rrlp_mode rrlp_mode_parse(const char *arg); +const char *rrlp_mode_name(enum rrlp_mode mode); + +enum bts_gprs_mode bts_gprs_mode_parse(const char *arg); +const char *bts_gprs_mode_name(enum bts_gprs_mode mode); + +int gsm48_ra_id_by_bts(uint8_t *buf, struct gsm_bts *bts); +void gprs_ra_id_by_bts(struct gprs_ra_id *raid, struct gsm_bts *bts); +struct gsm_meas_rep *lchan_next_meas_rep(struct gsm_lchan *lchan); + +int gsm_btsmodel_set_feature(struct gsm_bts_model *model, enum gsm_bts_features feat); +int gsm_bts_model_register(struct gsm_bts_model *model); + +struct gsm_subscriber_connection *subscr_con_allocate(struct gsm_lchan *lchan); +void subscr_con_free(struct gsm_subscriber_connection *conn); + +struct gsm_bts *gsm_bts_alloc_register(struct gsm_network *net, + enum gsm_bts_type type, + uint8_t tsc, uint8_t bsic); +void set_ts_e1link(struct gsm_bts_trx_ts *ts, uint8_t e1_nr, + uint8_t e1_ts, uint8_t e1_ts_ss); + +void gsm_trx_lock_rf(struct gsm_bts_trx *trx, int locked); +int gsm_bts_has_feature(struct gsm_bts *bts, enum gsm_bts_features feat); +struct gsm_bts_trx *gsm_bts_trx_by_nr(struct gsm_bts *bts, int nr); + +/* generic E1 line operations for all ISDN-based BTS. */ +extern struct e1inp_line_ops bts_isdn_e1inp_line_ops; + +extern const struct value_string bts_type_names[_NUM_GSM_BTS_TYPE+1]; +extern const struct value_string bts_type_descs[_NUM_GSM_BTS_TYPE+1]; + +#endif /* _GSM_DATA_H */ diff --git a/include/osmocom/bsc/gsm_data_shared.h b/include/osmocom/bsc/gsm_data_shared.h new file mode 100644 index 000000000..3ef145765 --- /dev/null +++ b/include/osmocom/bsc/gsm_data_shared.h @@ -0,0 +1,757 @@ +#ifndef _GSM_DATA_SHAREDH +#define _GSM_DATA_SHAREDH + +#include <regex.h> +#include <stdbool.h> +#include <stdint.h> + +#include <osmocom/core/timer.h> +#include <osmocom/core/bitvec.h> +#include <osmocom/core/statistics.h> +#include <osmocom/core/utils.h> +#include <osmocom/gsm/gsm_utils.h> +#include <osmocom/gsm/tlv.h> +#include <osmocom/gsm/rxlev_stat.h> +#include <osmocom/gsm/sysinfo.h> + +#include <osmocom/gsm/protocol/gsm_08_58.h> +#include <osmocom/gsm/protocol/gsm_12_21.h> + +#include <osmocom/abis/e1_input.h> + +#ifndef ROLE_BSC +#include <osmocom/gsm/lapdm.h> +#endif + +struct osmo_bsc_data; + +struct osmo_bsc_sccp_con; +struct gsm_sms_queue; + +/* RRLP mode of operation */ +enum rrlp_mode { + RRLP_MODE_NONE, + RRLP_MODE_MS_BASED, + RRLP_MODE_MS_PREF, + RRLP_MODE_ASS_PREF, +}; + +/* Channel Request reason */ +enum gsm_chreq_reason_t { + GSM_CHREQ_REASON_EMERG, + GSM_CHREQ_REASON_PAG, + GSM_CHREQ_REASON_CALL, + GSM_CHREQ_REASON_LOCATION_UPD, + GSM_CHREQ_REASON_OTHER, +}; + +#define TRX_NR_TS 8 +#define TS_MAX_LCHAN 8 + +#define HARDCODED_ARFCN 123 +#define HARDCODED_TSC 7 +#define HARDCODED_BSIC 0x3f /* NCC = 7 / BCC = 7 */ + +/* for multi-drop config */ +#define HARDCODED_BTS0_TS 1 +#define HARDCODED_BTS1_TS 6 +#define HARDCODED_BTS2_TS 11 + +/* reserved according to GSM 03.03 § 2.4 */ +#define GSM_RESERVED_TMSI 0xFFFFFFFF + +enum gsm_hooks { + GSM_HOOK_NM_SWLOAD, + GSM_HOOK_RR_PAGING, + GSM_HOOK_RR_SECURITY, +}; + +enum gsm_paging_event { + GSM_PAGING_SUCCEEDED, + GSM_PAGING_EXPIRED, + GSM_PAGING_OOM, + GSM_PAGING_BUSY, +}; + +enum bts_gprs_mode { + BTS_GPRS_NONE = 0, + BTS_GPRS_GPRS = 1, + BTS_GPRS_EGPRS = 2, +}; + +struct gsm_lchan; +struct gsm_subscriber; +struct gsm_mncc; +struct osmo_rtp_socket; +struct rtp_socket; +struct bsc_api; + +/* Network Management State */ +struct gsm_nm_state { + uint8_t operational; + uint8_t administrative; + uint8_t availability; +}; + +struct gsm_abis_mo { + uint8_t obj_class; + struct abis_om_obj_inst obj_inst; + const char *name; + struct gsm_nm_state nm_state; + struct tlv_parsed *nm_attr; + struct gsm_bts *bts; +}; + +#define MAX_A5_KEY_LEN (128/8) +#define A38_XOR_MIN_KEY_LEN 12 +#define A38_XOR_MAX_KEY_LEN 16 +#define A38_COMP128_KEY_LEN 16 +#define RSL_ENC_ALG_A5(x) (x+1) + +/* is the data link established? who established it? */ +#define LCHAN_SAPI_UNUSED 0 +#define LCHAN_SAPI_MS 1 +#define LCHAN_SAPI_NET 2 + +/* state of a logical channel */ +enum gsm_lchan_state { + LCHAN_S_NONE, /* channel is not active */ + LCHAN_S_ACT_REQ, /* channel activation requested */ + LCHAN_S_ACTIVE, /* channel is active and operational */ + LCHAN_S_REL_REQ, /* channel release has been requested */ + LCHAN_S_REL_ERR, /* channel is in an error state */ + LCHAN_S_BROKEN, /* channel is somehow unusable */ + LCHAN_S_INACTIVE, /* channel is set inactive */ +}; + +/* BTS ONLY */ +#define MAX_NUM_UL_MEAS 104 +#define LC_UL_M_F_L1_VALID (1 << 0) +#define LC_UL_M_F_RES_VALID (1 << 1) + +struct bts_ul_meas { + /* BER in units of 0.01%: 10.000 == 100% ber, 0 == 0% ber */ + uint16_t ber10k; + /* timing advance offset (in quarter bits) */ + int16_t ta_offs_qbits; + /* C/I ratio in dB */ + float c_i; + /* flags */ + uint8_t is_sub:1; + /* RSSI in dBm * -1 */ + uint8_t inv_rssi; +}; + +struct amr_mode { + uint8_t mode; + uint8_t threshold; + uint8_t hysteresis; +}; +struct amr_multirate_conf { + uint8_t gsm48_ie[2]; + struct amr_mode mode[4]; + uint8_t num_modes; +}; +/* /BTS ONLY */ + +enum lchan_csd_mode { + LCHAN_CSD_M_NT, + LCHAN_CSD_M_T_1200_75, + LCHAN_CSD_M_T_600, + LCHAN_CSD_M_T_1200, + LCHAN_CSD_M_T_2400, + LCHAN_CSD_M_T_9600, + LCHAN_CSD_M_T_14400, + LCHAN_CSD_M_T_29000, + LCHAN_CSD_M_T_32000, +}; + +/* State of the SAPIs in the lchan */ +enum lchan_sapi_state { + LCHAN_SAPI_S_NONE, + LCHAN_SAPI_S_REQ, + LCHAN_SAPI_S_ASSIGNED, + LCHAN_SAPI_S_REL, + LCHAN_SAPI_S_ERROR, +}; + +struct gsm_lchan { + /* The TS that we're part of */ + struct gsm_bts_trx_ts *ts; + /* The logical subslot number in the TS */ + uint8_t nr; + /* The logical channel type */ + enum gsm_chan_t type; + /* RSL channel mode */ + enum rsl_cmod_spd rsl_cmode; + /* If TCH, traffic channel mode */ + enum gsm48_chan_mode tch_mode; + enum lchan_csd_mode csd_mode; + /* State */ + enum gsm_lchan_state state; + /* Power levels for MS and BTS */ + uint8_t bs_power; + uint8_t ms_power; + /* Encryption information */ + struct { + uint8_t alg_id; + uint8_t key_len; + uint8_t key[MAX_A5_KEY_LEN]; + } encr; + + /* AMR bits */ + struct gsm48_multi_rate_conf mr_conf; + + /* Established data link layer services */ + uint8_t sapis[8]; + int sacch_deact; + + struct { + uint32_t bound_ip; + uint32_t connect_ip; + uint16_t bound_port; + uint16_t connect_port; + uint16_t conn_id; + uint8_t rtp_payload; + uint8_t rtp_payload2; + uint8_t speech_mode; +#ifdef ROLE_BSC + struct rtp_socket *rtp_socket; +#else + struct osmo_rtp_socket *rtp_socket; +#endif + } abis_ip; + + uint8_t rqd_ta; + +#ifdef ROLE_BSC + struct osmo_timer_list T3101; + struct osmo_timer_list T3109; + struct osmo_timer_list T3111; + struct osmo_timer_list error_timer; + struct osmo_timer_list act_timer; + uint8_t error_cause; + + /* table of neighbor cell measurements */ + struct neigh_meas_proc neigh_meas[MAX_NEIGH_MEAS]; + + /* cache of last measurement reports on this lchan */ + struct gsm_meas_rep meas_rep[6]; + int meas_rep_idx; + + /* GSM Random Access data */ + struct gsm48_req_ref *rqd_ref; + + struct gsm_subscriber_connection *conn; +#else + /* Number of different GsmL1_Sapi_t used in osmo_bts_sysmo is 23. + * Currently we don't share these headers so this is a magic number. */ + struct llist_head sapi_cmds; + uint8_t sapis_dl[23]; + uint8_t sapis_ul[23]; + struct lapdm_channel lapdm_ch; + struct llist_head dl_tch_queue; + struct { + /* bitmask of all SI that are present/valid in si_buf */ + uint32_t valid; + uint32_t last; + /* buffers where we put the pre-computed SI */ + sysinfo_buf_t buf[_MAX_SYSINFO_TYPE]; + } si; + struct { + uint8_t flags; + /* RSL measurment result number, 0 at lchan_act */ + uint8_t res_nr; + /* current Tx power level of the BTS */ + uint8_t bts_tx_pwr; + /* number of measurements stored in array below */ + uint8_t num_ul_meas; + struct bts_ul_meas uplink[MAX_NUM_UL_MEAS]; + /* last L1 header from the MS */ + uint8_t l1_info[2]; + struct { + uint8_t rxlev_full; + uint8_t rxlev_sub; + uint8_t rxqual_full; + uint8_t rxqual_sub; + } res; + } meas; + struct { + struct amr_multirate_conf amr_mr; + struct { + uint8_t buf[16]; + uint8_t len; + } last_sid; + } tch; + /* BTS-side ciphering state (rx only, bi-directional, ...) */ + uint8_t ciph_state; + uint8_t loopback; + struct { + uint8_t active; + uint8_t ref; + /* T3105: PHYS INF retransmission */ + struct osmo_timer_list t3105; + /* counts up to Ny1 */ + unsigned int phys_info_count; + } ho; + /* S counter for link loss */ + int s; +#endif +}; + +#define TS_F_PDCH_MODE 0x1000 +/* One Timeslot in a TRX */ +struct gsm_bts_trx_ts { + struct gsm_bts_trx *trx; + /* number of this timeslot at the TRX */ + uint8_t nr; + + enum gsm_phys_chan_config pchan; + + unsigned int flags; + struct gsm_abis_mo mo; + struct tlv_parsed nm_attr; + uint8_t nm_chan_comb; + int tsc; /* -1 == use BTS TSC */ + + struct { + /* Parameters below are configured by VTY */ + int enabled; + uint8_t maio; + uint8_t hsn; + struct bitvec arfcns; + uint8_t arfcns_data[1024/8]; + /* This is the pre-computed MA for channel assignments */ + struct bitvec ma; + uint8_t ma_len; /* part of ma_data that is used */ + uint8_t ma_data[8]; /* 10.5.2.21: max 8 bytes value part */ + } hopping; + + /* To which E1 subslot are we connected */ + struct gsm_e1_subslot e1_link; + + struct gsm_lchan lchan[TS_MAX_LCHAN]; +}; + +/* One TRX in a BTS */ +struct gsm_bts_trx { + /* list header in bts->trx_list */ + struct llist_head list; + + struct gsm_bts *bts; + /* number of this TRX in the BTS */ + uint8_t nr; + /* human readable name / description */ + char *description; + /* how do we talk RSL with this TRX? */ + struct gsm_e1_subslot rsl_e1_link; + uint8_t rsl_tei; +#ifdef ROLE_BSC + struct e1inp_sign_link *rsl_link; +#else + struct ipabis_link *rsl_link; +#endif + /* Some BTS (specifically Ericsson RBS) have a per-TRX OML Link */ + struct e1inp_sign_link *oml_link; + + struct gsm_abis_mo mo; + struct tlv_parsed nm_attr; + struct { + struct gsm_abis_mo mo; + } bb_transc; + + uint16_t arfcn; + int nominal_power; /* in dBm */ + unsigned int max_power_red; /* in actual dB */ + + struct { + void *l1h; + } role_bts; + + union { + struct { + struct { + struct gsm_abis_mo mo; + } bbsig; + struct { + struct gsm_abis_mo mo; + } pa; + } bs11; + struct { + unsigned int test_state; + uint8_t test_nr; + struct rxlev_stats rxlev_stat; + } ipaccess; + }; + struct gsm_bts_trx_ts ts[TRX_NR_TS]; +}; + +#define GSM_BTS_SI(bts, i) (void *)(bts->si_buf[i]) + +enum gsm_bts_type { + GSM_BTS_TYPE_UNKNOWN, + GSM_BTS_TYPE_BS11, + GSM_BTS_TYPE_NANOBTS, + GSM_BTS_TYPE_RBS2000, + GSM_BTS_TYPE_NOKIA_SITE, + GSM_BTS_TYPE_OSMO_SYSMO, + _NUM_GSM_BTS_TYPE +}; + +struct vty; + +struct gsm_bts_model { + struct llist_head list; + + enum gsm_bts_type type; + const char *name; + + bool started; + int (*start)(struct gsm_network *net); + int (*oml_rcvmsg)(struct msgb *msg); + + void (*e1line_bind_ops)(struct e1inp_line *line); + + void (*config_write_bts)(struct vty *vty, struct gsm_bts *bts); + void (*config_write_trx)(struct vty *vty, struct gsm_bts_trx *trx); + void (*config_write_ts)(struct vty *vty, struct gsm_bts_trx_ts *ts); + + struct tlv_definition nm_att_tlvdef; + + struct bitvec features; + uint8_t _features_data[128/8]; +}; + +enum gsm_bts_features { + BTS_FEAT_HSCSD, + BTS_FEAT_GPRS, + BTS_FEAT_EGPRS, + BTS_FEAT_ECSD, + BTS_FEAT_HOPPING, +}; + +/* + * This keeps track of the paging status of one BTS. It + * includes a number of pending requests, a back pointer + * to the gsm_bts, a timer and some more state. + */ +struct gsm_bts_paging_state { + /* pending requests */ + struct llist_head pending_requests; + struct gsm_bts *bts; + + struct osmo_timer_list work_timer; + struct osmo_timer_list credit_timer; + + /* free chans needed */ + int free_chans_need; + + /* load */ + uint16_t available_slots; +}; + +struct gsm_envabtse { + struct gsm_abis_mo mo; +}; + +struct gsm_bts_gprs_nsvc { + struct gsm_bts *bts; + /* data read via VTY config file, to configure the BTS + * via OML from BSC */ + int id; + uint16_t nsvci; + uint16_t local_port; /* on the BTS */ + uint16_t remote_port; /* on the SGSN */ + uint32_t remote_ip; /* on the SGSN */ + + struct gsm_abis_mo mo; +}; + +enum gprs_rlc_par { + RLC_T3142, + RLC_T3169, + RLC_T3191, + RLC_T3193, + RLC_T3195, + RLC_N3101, + RLC_N3103, + RLC_N3105, + CV_COUNTDOWN, + T_DL_TBF_EXT, /* ms */ + T_UL_TBF_EXT, /* ms */ + _NUM_RLC_PAR +}; + +enum gprs_cs { + GPRS_CS1, + GPRS_CS2, + GPRS_CS3, + GPRS_CS4, + GPRS_MCS1, + GPRS_MCS2, + GPRS_MCS3, + GPRS_MCS4, + GPRS_MCS5, + GPRS_MCS6, + GPRS_MCS7, + GPRS_MCS8, + GPRS_MCS9, + _NUM_GRPS_CS +}; + +struct gprs_rlc_cfg { + uint16_t parameter[_NUM_RLC_PAR]; + struct { + uint16_t repeat_time; /* ms */ + uint8_t repeat_count; + } paging; + uint32_t cs_mask; /* bitmask of gprs_cs */ + uint8_t initial_cs; + uint8_t initial_mcs; +}; + + +enum neigh_list_manual_mode { + NL_MODE_AUTOMATIC = 0, + NL_MODE_MANUAL = 1, + NL_MODE_MANUAL_SI5SEP = 2, /* SI2 and SI5 have separate neighbor lists */ +}; + +enum bts_loc_fix { + BTS_LOC_FIX_INVALID = 0, + BTS_LOC_FIX_2D = 1, + BTS_LOC_FIX_3D = 2, +}; + +extern const struct value_string bts_loc_fix_names[]; + +struct bts_location { + struct llist_head list; + time_t tstamp; + enum bts_loc_fix valid; + double lat; + double lon; + double height; +}; + +/* One BTS */ +struct gsm_bts { + /* list header in net->bts_list */ + struct llist_head list; + + /* Geographical location of the BTS */ + struct llist_head loc_list; + + /* number of ths BTS in network */ + uint8_t nr; + /* human readable name / description */ + char *description; + /* Cell Identity */ + uint16_t cell_identity; + /* location area code of this BTS */ + uint16_t location_area_code; + /* Training Sequence Code */ + uint8_t tsc; + /* Base Station Identification Code (BSIC) */ + uint8_t bsic; + /* type of BTS */ + enum gsm_bts_type type; + struct gsm_bts_model *model; + enum gsm_band band; + /* maximum Tx power that the MS is permitted to use in this cell */ + int ms_max_power; + + /* how do we talk OML with this TRX? */ + struct gsm_e1_subslot oml_e1_link; + uint8_t oml_tei; + struct e1inp_sign_link *oml_link; + + /* Abis network management O&M handle */ + struct abis_nm_h *nmh; + + struct gsm_abis_mo mo; + + /* number of this BTS on given E1 link */ + uint8_t bts_nr; + + /* paging state and control */ + struct gsm_bts_paging_state paging; + + /* CCCH is on C0 */ + struct gsm_bts_trx *c0; + + struct { + struct gsm_abis_mo mo; + } site_mgr; + + /* bitmask of all SI that are present/valid in si_buf */ + uint32_t si_valid; + /* buffers where we put the pre-computed SI */ + sysinfo_buf_t si_buf[_MAX_SYSINFO_TYPE]; + + /* TimeZone hours, mins, and bts specific */ + struct { + int hr; + int mn; + int override; + } tz; + + /* ip.accesss Unit ID's have Site/BTS/TRX layout */ + union { + struct { + uint16_t site_id; + uint16_t bts_id; + uint32_t flags; + uint32_t rsl_ip; + } ip_access; + struct { + struct { + struct gsm_abis_mo mo; + } cclk; + struct { + struct gsm_abis_mo mo; + } rack; + struct gsm_envabtse envabtse[4]; + } bs11; + struct { + struct { + struct gsm_abis_mo mo; + struct llist_head conn_groups; + } is; + struct { + struct gsm_abis_mo mo; + struct llist_head conn_groups; + } con; + struct { + struct gsm_abis_mo mo; + } dp; + struct { + struct gsm_abis_mo mo; + } tf; + } rbs2000; + struct { + uint8_t bts_type; + unsigned int configured:1, + skip_reset:1, + did_reset:1, + wait_reset:1; + struct osmo_timer_list reset_timer; + } nokia; + }; + + /* Not entirely sure how ip.access specific this is */ + struct { + enum bts_gprs_mode mode; + struct { + struct gsm_abis_mo mo; + uint16_t nsei; + uint8_t timer[7]; + } nse; + struct { + struct gsm_abis_mo mo; + uint16_t bvci; + uint8_t timer[11]; + struct gprs_rlc_cfg rlc_cfg; + } cell; + struct gsm_bts_gprs_nsvc nsvc[2]; + uint8_t rac; + uint8_t net_ctrl_ord; + } gprs; + + /* RACH NM values */ + int rach_b_thresh; + int rach_ldavg_slots; + + /* transceivers */ + int num_trx; + struct llist_head trx_list; + +#ifdef ROLE_BSC + /* Abis NM queue */ + struct llist_head abis_queue; + int abis_nm_pend; + + struct gsm_network *network; + + /* should the channel allocator allocate channels from high TRX to TRX0, + * rather than starting from TRX0 and go upwards? */ + int chan_alloc_reverse; + + enum neigh_list_manual_mode neigh_list_manual_mode; + /* parameters from which we build SYSTEM INFORMATION */ + struct { + struct gsm48_rach_control rach_control; + uint8_t ncc_permitted; + struct gsm48_cell_sel_par cell_sel_par; + struct gsm48_si_selection_params cell_ro_sel_par; /* rest octet */ + struct gsm48_cell_options cell_options; + struct gsm48_control_channel_descr chan_desc; + struct bitvec neigh_list; + struct bitvec cell_alloc; + struct bitvec si5_neigh_list; + struct { + /* bitmask large enough for all possible ARFCN's */ + uint8_t neigh_list[1024/8]; + uint8_t cell_alloc[1024/8]; + /* If the user wants a different neighbor list in SI5 than in SI2 */ + uint8_t si5_neigh_list[1024/8]; + } data; + } si_common; + + /* do we use static (user-defined) system information messages? (bitmask) */ + uint32_t si_mode_static; + + /* exclude the BTS from the global RF Lock handling */ + int excl_from_rf_lock; +#endif /* ROLE_BSC */ + void *role; +}; + + +struct gsm_bts *gsm_bts_alloc(void *talloc_ctx); +struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts); + +struct gsm_bts_trx *gsm_bts_trx_num(const struct gsm_bts *bts, int num); + + +const struct value_string gsm_pchant_names[10]; +const struct value_string gsm_pchant_descs[10]; +const struct value_string gsm_lchant_names[6]; +const char *gsm_pchan_name(enum gsm_phys_chan_config c); +enum gsm_phys_chan_config gsm_pchan_parse(const char *name); +const char *gsm_lchant_name(enum gsm_chan_t c); +const char *gsm_chreq_name(enum gsm_chreq_reason_t c); +char *gsm_trx_name(const struct gsm_bts_trx *trx); +char *gsm_ts_name(const struct gsm_bts_trx_ts *ts); +char *gsm_lchan_name(const struct gsm_lchan *lchan); +const char *gsm_lchans_name(enum gsm_lchan_state s); + + +void gsm_abis_mo_reset(struct gsm_abis_mo *mo); + +struct gsm_abis_mo * +gsm_objclass2mo(struct gsm_bts *bts, uint8_t obj_class, + const struct abis_om_obj_inst *obj_inst); + +struct gsm_nm_state * +gsm_objclass2nmstate(struct gsm_bts *bts, uint8_t obj_class, + const struct abis_om_obj_inst *obj_inst); +void * +gsm_objclass2obj(struct gsm_bts *bts, uint8_t obj_class, + const struct abis_om_obj_inst *obj_inst); + +/* reset the state of all MO in the BTS */ +void gsm_bts_mo_reset(struct gsm_bts *bts); + +uint8_t gsm_ts2chan_nr(const struct gsm_bts_trx_ts *ts, uint8_t lchan_nr); +uint8_t gsm_lchan2chan_nr(const struct gsm_lchan *lchan); + +/* + * help with parsing regexps + */ +int gsm_parse_reg(void *ctx, regex_t *reg, char **str, + int argc, const char **argv) __attribute__ ((warn_unused_result)); + + + +#endif diff --git a/include/osmocom/bsc/gsm_subscriber.h b/include/osmocom/bsc/gsm_subscriber.h new file mode 100644 index 000000000..6b577b0bf --- /dev/null +++ b/include/osmocom/bsc/gsm_subscriber.h @@ -0,0 +1,111 @@ +#ifndef _GSM_SUBSCR_H +#define _GSM_SUBSCR_H + +#include "gsm_data.h" +#include <osmocom/core/linuxlist.h> + +#define GSM_IMEI_LENGTH 17 +#define GSM_IMSI_LENGTH 17 +#define GSM_NAME_LENGTH 160 + +#define GSM_EXTENSION_LENGTH 15 /* MSISDN can only be 15 digits length */ +#define GSM_MIN_EXTEN 20000 +#define GSM_MAX_EXTEN 49999 + +#define GSM_SUBSCRIBER_FIRST_CONTACT 0x00000001 +#define tmsi_from_string(str) strtoul(str, NULL, 10) + +#define GSM_SUBSCRIBER_NO_EXPIRATION 0x0 + +struct vty; + +struct gsm_equipment { + long long unsigned int id; + char imei[GSM_IMEI_LENGTH]; + char name[GSM_NAME_LENGTH]; + + struct gsm48_classmark1 classmark1; + uint8_t classmark2_len; + uint8_t classmark2[3]; + uint8_t classmark3_len; + uint8_t classmark3[14]; +}; + +struct gsm_subscriber { + struct gsm_network *net; + long long unsigned int id; + char imsi[GSM_IMSI_LENGTH]; + uint32_t tmsi; + uint16_t lac; + char name[GSM_NAME_LENGTH]; + char extension[GSM_EXTENSION_LENGTH]; + int authorized; + time_t expire_lu; + + /* Temporary field which is not stored in the DB/HLR */ + uint32_t flags; + + /* Every user can only have one equipment in use at any given + * point in time */ + struct gsm_equipment equipment; + + /* for internal management */ + int use_count; + struct llist_head entry; + + /* pending requests */ + int in_callback; + struct llist_head requests; +}; + +enum gsm_subscriber_field { + GSM_SUBSCRIBER_IMSI, + GSM_SUBSCRIBER_TMSI, + GSM_SUBSCRIBER_EXTENSION, + GSM_SUBSCRIBER_ID, +}; + +enum gsm_subscriber_update_reason { + GSM_SUBSCRIBER_UPDATE_ATTACHED, + GSM_SUBSCRIBER_UPDATE_DETACHED, + GSM_SUBSCRIBER_UPDATE_EQUIPMENT, +}; + +struct gsm_subscriber *subscr_get(struct gsm_subscriber *subscr); +struct gsm_subscriber *subscr_put(struct gsm_subscriber *subscr); +struct gsm_subscriber *subscr_get_by_tmsi(struct gsm_network *net, + uint32_t tmsi); +struct gsm_subscriber *subscr_get_by_imsi(struct gsm_network *net, + const char *imsi); +struct gsm_subscriber *subscr_get_by_extension(struct gsm_network *net, + const char *ext); +struct gsm_subscriber *subscr_get_by_id(struct gsm_network *net, + unsigned long long id); +struct gsm_subscriber *subscr_get_or_create(struct gsm_network *net, + const char *imsi); +int subscr_update(struct gsm_subscriber *s, struct gsm_bts *bts, int reason); +void subscr_put_channel(struct gsm_subscriber *subscr); +void subscr_get_channel(struct gsm_subscriber *subscr, + int type, gsm_cbfn *cbfn, void *param); +struct gsm_subscriber *subscr_active_by_tmsi(struct gsm_network *net, + uint32_t tmsi); +struct gsm_subscriber *subscr_active_by_imsi(struct gsm_network *net, + const char *imsi); + +int subscr_pending_requests(struct gsm_subscriber *subscr); +int subscr_pending_clear(struct gsm_subscriber *subscr); +int subscr_pending_dump(struct gsm_subscriber *subscr, struct vty *vty); +int subscr_pending_kick(struct gsm_subscriber *subscr); + +char *subscr_name(struct gsm_subscriber *subscr); + +int subscr_purge_inactive(struct gsm_network *net); +void subscr_update_from_db(struct gsm_subscriber *subscr); +void subscr_expire(struct gsm_network *net); +int subscr_update_expire_lu(struct gsm_subscriber *subscr, struct gsm_bts *bts); + +/* internal */ +struct gsm_subscriber *subscr_alloc(void); +extern struct llist_head active_subscribers; + +#endif /* _GSM_SUBSCR_H */ diff --git a/include/osmocom/bsc/handover.h b/include/osmocom/bsc/handover.h new file mode 100644 index 000000000..bd0d8ad6c --- /dev/null +++ b/include/osmocom/bsc/handover.h @@ -0,0 +1,17 @@ +#ifndef _HANDOVER_H +#define _HANDOVER_H + +struct gsm_subscriber_connection; + +/* Hand over the specified logical channel to the specified new BTS. + * This is the main entry point for the actual handover algorithm, + * after it has decided it wants to initiate HO to a specific BTS */ +int bsc_handover_start(struct gsm_lchan *old_lchan, struct gsm_bts *bts); + +/* clear any operation for this connection */ +void bsc_clear_handover(struct gsm_subscriber_connection *conn, int free_lchan); + +/* Return the old lchan or NULL. This is meant for audio handling */ +struct gsm_lchan *bsc_handover_pending(struct gsm_lchan *new_lchan); + +#endif /* _HANDOVER_H */ diff --git a/include/osmocom/bsc/handover_decision.h b/include/osmocom/bsc/handover_decision.h new file mode 100644 index 000000000..81078b05d --- /dev/null +++ b/include/osmocom/bsc/handover_decision.h @@ -0,0 +1,7 @@ +#ifndef _HANDOVER_DECISION_H +#define _HANDOVER_DECISION_H + +void on_dso_load_ho_dec(void); + +#endif /* _HANDOVER_DECISION_H */ + diff --git a/include/osmocom/bsc/ipaccess.h b/include/osmocom/bsc/ipaccess.h new file mode 100644 index 000000000..a25a348b6 --- /dev/null +++ b/include/osmocom/bsc/ipaccess.h @@ -0,0 +1,65 @@ +#ifndef _IPACCESS_H +#define _IPACCESS_H + +#include <osmocom/abis/e1_input.h> +#include "gsm_subscriber.h" +#include <osmocom/core/linuxlist.h> +#include <osmocom/gsm/protocol/ipaccess.h> + +struct ipac_msgt_sccp_state { + uint8_t src_ref[3]; + uint8_t dst_ref[3]; + uint8_t trans_id; + uint8_t invoke_id; + char imsi[GSM_IMSI_LENGTH]; + uint8_t data[0]; +} __attribute__((packed)); + +/* + * @add_remove 0 for remove, 1 for add, 3 to asK + * @nr_lacs Number of extra lacs inside this package + * @lac One lac entry + */ +struct ipac_ext_lac_cmd { + uint8_t add_remove; + uint8_t nr_extra_lacs; + uint16_t lac; + uint8_t data[0]; +} __attribute__((packed)); + +/* + * methods for parsing and sending a message + */ +int ipaccess_rcvmsg_base(struct msgb *msg, struct osmo_fd *bfd); +void ipaccess_prepend_header(struct msgb *msg, int proto); +void ipaccess_prepend_header_ext(struct msgb *msg, int proto); +int ipaccess_send_pong(int fd); +int ipaccess_send_id_ack(int fd); +int ipaccess_send_id_req(int fd); + +const char *ipaccess_idtag_name(uint8_t tag); +int ipaccess_idtag_parse(struct tlv_parsed *dec, unsigned char *buf, int len); +int ipaccess_parse_unitid(const char *str, uint16_t *site_id, uint16_t *bts_id, uint16_t *trx_id); + +int ipaccess_drop_oml(struct gsm_bts *bts); +int ipaccess_drop_rsl(struct gsm_bts_trx *trx); + +struct sdp_header_item { + struct sdp_header_entry header_entry; + struct llist_head entry; + off_t absolute_offset; +}; + +struct sdp_header { + struct sdp_firmware firmware_info; + + /* for more_magic a list of sdp_header_entry_list */ + struct llist_head header_list; + + /* the entry of the sdp_header */ + struct llist_head entry; +}; + +int ipaccess_analyze_file(int fd, const unsigned int st_size, const unsigned base_offset, struct llist_head *list); + +#endif /* _IPACCESS_H */ diff --git a/include/osmocom/bsc/meas_rep.h b/include/osmocom/bsc/meas_rep.h new file mode 100644 index 000000000..f235df6aa --- /dev/null +++ b/include/osmocom/bsc/meas_rep.h @@ -0,0 +1,87 @@ +#ifndef _MEAS_REP_H +#define _MEAS_REP_H + +#include <stdint.h> + +#define MRC_F_PROCESSED 0x0001 + +/* extracted from a L3 measurement report IE */ +struct gsm_meas_rep_cell { + uint8_t rxlev; + uint8_t bsic; + uint8_t neigh_idx; + uint16_t arfcn; + unsigned int flags; +}; + +/* RX Level and RX Quality */ +struct gsm_rx_lev_qual { + uint8_t rx_lev; + uint8_t rx_qual; +}; + +/* unidirectional measumrement report */ +struct gsm_meas_rep_unidir { + struct gsm_rx_lev_qual full; + struct gsm_rx_lev_qual sub; +}; + +#define MEAS_REP_F_UL_DTX 0x01 +#define MEAS_REP_F_DL_VALID 0x02 +#define MEAS_REP_F_BA1 0x04 +#define MEAS_REP_F_DL_DTX 0x08 +#define MEAS_REP_F_MS_TO 0x10 +#define MEAS_REP_F_MS_L1 0x20 +#define MEAS_REP_F_FPC 0x40 + +/* parsed uplink and downlink measurement result */ +struct gsm_meas_rep { + /* back-pointer to the logical channel */ + struct gsm_lchan *lchan; + + /* number of the measurement report */ + uint8_t nr; + /* flags, see MEAS_REP_F_* */ + unsigned int flags; + + /* uplink and downlink rxlev, rxqual; full and sub */ + struct gsm_meas_rep_unidir ul; + struct gsm_meas_rep_unidir dl; + + uint8_t bs_power; + uint8_t ms_timing_offset; + struct { + int8_t pwr; /* MS power in dBm */ + uint8_t ta; /* MS timing advance */ + } ms_l1; + + /* neighbor measurement reports for up to 6 cells */ + int num_cell; + struct gsm_meas_rep_cell cell[6]; +}; + +enum meas_rep_field { + MEAS_REP_DL_RXLEV_FULL, + MEAS_REP_DL_RXLEV_SUB, + MEAS_REP_DL_RXQUAL_FULL, + MEAS_REP_DL_RXQUAL_SUB, + MEAS_REP_UL_RXLEV_FULL, + MEAS_REP_UL_RXLEV_SUB, + MEAS_REP_UL_RXQUAL_FULL, + MEAS_REP_UL_RXQUAL_SUB, +}; + +/* obtain an average over the last 'num' fields in the meas reps */ +int get_meas_rep_avg(const struct gsm_lchan *lchan, + enum meas_rep_field field, unsigned int num); + +/* Check if N out of M last values for FIELD are >= bd */ +int meas_rep_n_out_of_m_be(const struct gsm_lchan *lchan, + enum meas_rep_field field, + unsigned int n, unsigned int m, int be); + +unsigned int calc_initial_idx(unsigned int array_size, + unsigned int meas_rep_idx, + unsigned int num_values); + +#endif /* _MEAS_REP_H */ diff --git a/include/osmocom/bsc/mgcp.h b/include/osmocom/bsc/mgcp.h new file mode 100644 index 000000000..811dcfda7 --- /dev/null +++ b/include/osmocom/bsc/mgcp.h @@ -0,0 +1,203 @@ +/* A Media Gateway Control Protocol Media Gateway: RFC 3435 */ + +/* + * (C) 2009-2012 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2009-2012 by On-Waves + * 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 OPENBSC_MGCP_H +#define OPENBSC_MGCP_H + +#include <osmocom/core/msgb.h> +#include <osmocom/core/write_queue.h> + +#include "debug.h" + +#include <arpa/inet.h> + +#define RTP_PORT_DEFAULT 4000 +#define RTP_PORT_NET_DEFAULT 16000 + +/** + * Calculate the RTP audio port for the given multiplex + * and the direction. This allows a semi static endpoint + * to port calculation removing the need for the BSC + * and the MediaGateway to communicate. + * + * Port usage explained: + * base + (multiplex * 2) + 0 == local port to wait for network packets + * base + (multiplex * 2) + 1 == local port for rtcp + * + * The above port will receive packets from the BTS that need + * to be patched and forwarded to the network. + * The above port will receive packets from the network that + * need to be patched and forwarded to the BTS. + * + * We assume to have a static BTS IP address so we can differentiate + * network and BTS. + * + */ +static inline int rtp_calculate_port(int multiplex, int base) +{ + return base + (multiplex * 2); +} + + +/* + * Handling of MGCP Endpoints and the MGCP Config + */ +struct mgcp_endpoint; +struct mgcp_config; +struct mgcp_trunk_config; + +#define MGCP_ENDP_CRCX 1 +#define MGCP_ENDP_DLCX 2 +#define MGCP_ENDP_MDCX 3 + +/* + * what to do with the msg? + * - continue as usual? + * - reject and send a failure code? + * - defer? do not send anything + */ +#define MGCP_POLICY_CONT 4 +#define MGCP_POLICY_REJECT 5 +#define MGCP_POLICY_DEFER 6 + +typedef int (*mgcp_realloc)(struct mgcp_trunk_config *cfg, int endpoint); +typedef int (*mgcp_change)(struct mgcp_trunk_config *cfg, int endpoint, int state); +typedef int (*mgcp_policy)(struct mgcp_trunk_config *cfg, int endpoint, int state, const char *transactio_id); +typedef int (*mgcp_reset)(struct mgcp_trunk_config *cfg); +typedef int (*mgcp_rqnt)(struct mgcp_endpoint *endp, char tone); + +#define PORT_ALLOC_STATIC 0 +#define PORT_ALLOC_DYNAMIC 1 + +/** + * This holds information on how to allocate ports + */ +struct mgcp_port_range { + int mode; + + /* pre-allocated from a base? */ + int base_port; + + /* dynamically allocated */ + int range_start; + int range_end; + int last_port; +}; + +struct mgcp_trunk_config { + struct llist_head entry; + + struct mgcp_config *cfg; + + int trunk_nr; + int trunk_type; + + char *audio_fmtp_extra; + char *audio_name; + int audio_payload; + int audio_loop; + + int omit_rtcp; + + /* spec handling */ + int force_realloc; + + unsigned int number_endpoints; + struct mgcp_endpoint *endpoints; +}; + +struct mgcp_config { + int source_port; + char *local_ip; + char *source_addr; + char *bts_ip; + char *call_agent_addr; + + struct in_addr bts_in; + + /* transcoder handling */ + char *transcoder_ip; + struct in_addr transcoder_in; + int transcoder_remote_base; + + struct osmo_wqueue gw_fd; + + struct mgcp_port_range bts_ports; + struct mgcp_port_range net_ports; + struct mgcp_port_range transcoder_ports; + int endp_dscp; + + mgcp_change change_cb; + mgcp_policy policy_cb; + mgcp_reset reset_cb; + mgcp_realloc realloc_cb; + mgcp_rqnt rqnt_cb; + void *data; + + uint32_t last_call_id; + + /* trunk handling */ + struct mgcp_trunk_config trunk; + struct llist_head trunks; + + /* only used for start with a static configuration */ + int last_net_port; + int last_bts_port; +}; + +/* config management */ +struct mgcp_config *mgcp_config_alloc(void); +int mgcp_parse_config(const char *config_file, struct mgcp_config *cfg); +int mgcp_vty_init(void); +int mgcp_endpoints_allocate(struct mgcp_trunk_config *cfg); +void mgcp_free_endp(struct mgcp_endpoint *endp); +int mgcp_reset_transcoder(struct mgcp_config *cfg); +void mgcp_format_stats(struct mgcp_endpoint *endp, char *stats, size_t size); +int mgcp_parse_stats(struct msgb *msg, uint32_t *ps, uint32_t *os, uint32_t *pr, uint32_t *_or, int *loss, uint32_t *jitter); + +/* + * format helper functions + */ +struct msgb *mgcp_handle_message(struct mgcp_config *cfg, struct msgb *msg); + +/* adc helper */ +static inline int mgcp_timeslot_to_endpoint(int multiplex, int timeslot) +{ + if (timeslot == 0) { + LOGP(DMGCP, LOGL_ERROR, "Timeslot should not be 0\n"); + timeslot = 255; + } + + return timeslot + (32 * multiplex); +} + +static inline void mgcp_endpoint_to_timeslot(int endpoint, int *multiplex, int *timeslot) +{ + *multiplex = endpoint / 32; + *timeslot = endpoint % 32; +} + +int mgcp_send_reset_ep(struct mgcp_endpoint *endp, int endpoint); +int mgcp_send_reset_all(struct mgcp_config *cfg); + + +#endif diff --git a/include/osmocom/bsc/mgcp_internal.h b/include/osmocom/bsc/mgcp_internal.h new file mode 100644 index 000000000..d5bd3ddc6 --- /dev/null +++ b/include/osmocom/bsc/mgcp_internal.h @@ -0,0 +1,172 @@ +/* MGCP Private Data */ + +/* + * (C) 2009-2012 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2009-2012 by On-Waves + * 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 OPENBSC_MGCP_DATA_H +#define OPENBSC_MGCP_DATA_H + +#include <osmocom/core/select.h> + +#define CI_UNUSED 0 + +enum mgcp_connection_mode { + MGCP_CONN_NONE = 0, + MGCP_CONN_RECV_ONLY = 1, + MGCP_CONN_SEND_ONLY = 2, + MGCP_CONN_RECV_SEND = MGCP_CONN_RECV_ONLY | MGCP_CONN_SEND_ONLY, + MGCP_CONN_LOOPBACK = 4, +}; + +enum mgcp_trunk_type { + MGCP_TRUNK_VIRTUAL, + MGCP_TRUNK_E1, +}; + +struct mgcp_rtp_state { + int initialized; + int patch; + + uint32_t orig_ssrc; + uint32_t ssrc; + + uint16_t base_seq; + uint16_t max_seq; + int seq_offset; + int cycles; + + uint32_t last_timestamp; + int32_t timestamp_offset; + uint32_t jitter; + int32_t transit; +}; + +struct mgcp_rtp_end { + /* statistics */ + unsigned int packets; + unsigned int octets; + struct in_addr addr; + + /* in network byte order */ + int rtp_port, rtcp_port; + + /* per endpoint data */ + int payload_type; + char *fmtp_extra; + + /* + * Each end has a socket... + */ + struct osmo_fd rtp; + struct osmo_fd rtcp; + + int local_port; + int local_alloc; +}; + +enum { + MGCP_TAP_BTS_IN, + MGCP_TAP_BTS_OUT, + MGCP_TAP_NET_IN, + MGCP_TAP_NET_OUT, + + /* last element */ + MGCP_TAP_COUNT +}; + +struct mgcp_rtp_tap { + int enabled; + struct sockaddr_in forward; +}; + +enum mgcp_type { + MGCP_RTP_DEFAULT = 0, + MGCP_RTP_TRANSCODED, +}; + +struct mgcp_endpoint { + int allocated; + uint32_t ci; + char *callid; + char *local_options; + int conn_mode; + int orig_mode; + + /* backpointer */ + struct mgcp_config *cfg; + struct mgcp_trunk_config *tcfg; + + /* port status for bts/net */ + struct mgcp_rtp_end bts_end; + struct mgcp_rtp_end net_end; + + /* + * For transcoding we will send from the local_port + * of trans_bts and it will arrive at trans_net from + * where we will forward it to the network. + */ + struct mgcp_rtp_end trans_bts; + struct mgcp_rtp_end trans_net; + enum mgcp_type type; + + /* sequence bits */ + struct mgcp_rtp_state net_state; + struct mgcp_rtp_state bts_state; + + /* SSRC/seq/ts patching for loop */ + int allow_patch; + + /* fields for re-transmission */ + char *last_trans; + char *last_response; + + /* tap for the endpoint */ + struct mgcp_rtp_tap taps[MGCP_TAP_COUNT]; +}; + +#define ENDPOINT_NUMBER(endp) abs(endp - endp->tcfg->endpoints) + +struct mgcp_msg_ptr { + unsigned int start; + unsigned int length; +}; + +int mgcp_send_dummy(struct mgcp_endpoint *endp); +int mgcp_bind_bts_rtp_port(struct mgcp_endpoint *endp, int rtp_port); +int mgcp_bind_net_rtp_port(struct mgcp_endpoint *endp, int rtp_port); +int mgcp_bind_trans_bts_rtp_port(struct mgcp_endpoint *enp, int rtp_port); +int mgcp_bind_trans_net_rtp_port(struct mgcp_endpoint *enp, int rtp_port); +int mgcp_free_rtp_port(struct mgcp_rtp_end *end); + +/* For transcoding we need to manage an in and an output that are connected */ +static inline int endp_back_channel(int endpoint) +{ + return endpoint + 60; +} + +struct mgcp_trunk_config *mgcp_trunk_alloc(struct mgcp_config *cfg, int index); +struct mgcp_trunk_config *mgcp_trunk_num(struct mgcp_config *cfg, int index); + +void mgcp_state_calc_loss(struct mgcp_rtp_state *s, struct mgcp_rtp_end *, + uint32_t *expected, int *loss); +uint32_t mgcp_state_calc_jitter(struct mgcp_rtp_state *); + + +#endif diff --git a/include/osmocom/bsc/misdn.h b/include/osmocom/bsc/misdn.h new file mode 100644 index 000000000..9851ad32c --- /dev/null +++ b/include/osmocom/bsc/misdn.h @@ -0,0 +1,27 @@ +/* (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 MISDN_H +#define MISDN_H + +#include <osmocom/abis/e1_input.h> + +int mi_setup(int cardnr, struct e1inp_line *line, int release_l2); +int mi_e1_line_update(struct e1inp_line *line); + +#endif diff --git a/include/osmocom/bsc/mncc.h b/include/osmocom/bsc/mncc.h new file mode 100644 index 000000000..4a99bb11b --- /dev/null +++ b/include/osmocom/bsc/mncc.h @@ -0,0 +1,191 @@ +/* GSM Mobile Radio Interface Layer 3 messages on the A-bis interface + * 3GPP TS 04.08 version 7.21.0 Release 1998 / ETSI TS 100 940 V7.21.0 */ + +/* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org> + * (C) 2008, 2009 by Holger Hans Peter Freyther <zecke@selfish.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 _MNCC_H +#define _MNCC_H + +#include <osmocom/core/linuxlist.h> +#include <osmocom/gsm/mncc.h> + +#include <stdint.h> + +struct gsm_network; +struct msgb; + + +/* One end of a call */ +struct gsm_call { + struct llist_head entry; + + /* network handle */ + void *net; + + /* the 'local' transaction */ + uint32_t callref; + /* the 'remote' transaction */ + uint32_t remote_ref; +}; + +#define MNCC_SETUP_REQ 0x0101 +#define MNCC_SETUP_IND 0x0102 +#define MNCC_SETUP_RSP 0x0103 +#define MNCC_SETUP_CNF 0x0104 +#define MNCC_SETUP_COMPL_REQ 0x0105 +#define MNCC_SETUP_COMPL_IND 0x0106 +/* MNCC_REJ_* is perfomed via MNCC_REL_* */ +#define MNCC_CALL_CONF_IND 0x0107 +#define MNCC_CALL_PROC_REQ 0x0108 +#define MNCC_PROGRESS_REQ 0x0109 +#define MNCC_ALERT_REQ 0x010a +#define MNCC_ALERT_IND 0x010b +#define MNCC_NOTIFY_REQ 0x010c +#define MNCC_NOTIFY_IND 0x010d +#define MNCC_DISC_REQ 0x010e +#define MNCC_DISC_IND 0x010f +#define MNCC_REL_REQ 0x0110 +#define MNCC_REL_IND 0x0111 +#define MNCC_REL_CNF 0x0112 +#define MNCC_FACILITY_REQ 0x0113 +#define MNCC_FACILITY_IND 0x0114 +#define MNCC_START_DTMF_IND 0x0115 +#define MNCC_START_DTMF_RSP 0x0116 +#define MNCC_START_DTMF_REJ 0x0117 +#define MNCC_STOP_DTMF_IND 0x0118 +#define MNCC_STOP_DTMF_RSP 0x0119 +#define MNCC_MODIFY_REQ 0x011a +#define MNCC_MODIFY_IND 0x011b +#define MNCC_MODIFY_RSP 0x011c +#define MNCC_MODIFY_CNF 0x011d +#define MNCC_MODIFY_REJ 0x011e +#define MNCC_HOLD_IND 0x011f +#define MNCC_HOLD_CNF 0x0120 +#define MNCC_HOLD_REJ 0x0121 +#define MNCC_RETRIEVE_IND 0x0122 +#define MNCC_RETRIEVE_CNF 0x0123 +#define MNCC_RETRIEVE_REJ 0x0124 +#define MNCC_USERINFO_REQ 0x0125 +#define MNCC_USERINFO_IND 0x0126 +#define MNCC_REJ_REQ 0x0127 +#define MNCC_REJ_IND 0x0128 + +#define MNCC_BRIDGE 0x0200 +#define MNCC_FRAME_RECV 0x0201 +#define MNCC_FRAME_DROP 0x0202 +#define MNCC_LCHAN_MODIFY 0x0203 + +#define GSM_TCHF_FRAME 0x0300 +#define GSM_TCHF_FRAME_EFR 0x0301 + +#define MNCC_SOCKET_HELLO 0x0400 + +#define GSM_MAX_FACILITY 128 +#define GSM_MAX_SSVERSION 128 +#define GSM_MAX_USERUSER 128 + +#define MNCC_F_BEARER_CAP 0x0001 +#define MNCC_F_CALLED 0x0002 +#define MNCC_F_CALLING 0x0004 +#define MNCC_F_REDIRECTING 0x0008 +#define MNCC_F_CONNECTED 0x0010 +#define MNCC_F_CAUSE 0x0020 +#define MNCC_F_USERUSER 0x0040 +#define MNCC_F_PROGRESS 0x0080 +#define MNCC_F_EMERGENCY 0x0100 +#define MNCC_F_FACILITY 0x0200 +#define MNCC_F_SSVERSION 0x0400 +#define MNCC_F_CCCAP 0x0800 +#define MNCC_F_KEYPAD 0x1000 +#define MNCC_F_SIGNAL 0x2000 + +struct gsm_mncc { + /* context based information */ + uint32_t msg_type; + uint32_t callref; + + /* which fields are present */ + uint32_t fields; + + /* data derived informations (MNCC_F_ based) */ + struct gsm_mncc_bearer_cap bearer_cap; + struct gsm_mncc_number called; + struct gsm_mncc_number calling; + struct gsm_mncc_number redirecting; + struct gsm_mncc_number connected; + struct gsm_mncc_cause cause; + struct gsm_mncc_progress progress; + struct gsm_mncc_useruser useruser; + struct gsm_mncc_facility facility; + struct gsm_mncc_cccap cccap; + struct gsm_mncc_ssversion ssversion; + struct { + int sup; + int inv; + } clir; + int signal; + + /* data derived information, not MNCC_F based */ + int keypad; + int more; + int notify; /* 0..127 */ + int emergency; + char imsi[16]; + + unsigned char lchan_type; + unsigned char lchan_mode; +}; + +struct gsm_data_frame { + uint32_t msg_type; + uint32_t callref; + unsigned char data[0]; +}; + +#define MNCC_SOCK_VERSION 2 +struct gsm_mncc_hello { + uint32_t msg_type; + uint32_t version; + + /* send the sizes of the structs */ + uint32_t mncc_size; + uint32_t data_frame_size; + + /* send some offsets */ + uint32_t called_offset; + uint32_t signal_offset; + uint32_t emergency_offset; + uint32_t lchan_type_offset; +}; + +char *get_mncc_name(int value); +void mncc_set_cause(struct gsm_mncc *data, int loc, int val); +void cc_tx_to_mncc(struct gsm_network *net, struct msgb *msg); + +/* input from CC code into mncc_builtin */ +int int_mncc_recv(struct gsm_network *net, struct msgb *msg); + +/* input from CC code into mncc_sock */ +int mncc_sock_from_cc(struct gsm_network *net, struct msgb *msg); + +int mncc_sock_init(struct gsm_network *gsmnet); + +#endif diff --git a/include/osmocom/bsc/mncc_int.h b/include/osmocom/bsc/mncc_int.h new file mode 100644 index 000000000..4f30f08c0 --- /dev/null +++ b/include/osmocom/bsc/mncc_int.h @@ -0,0 +1,12 @@ +#ifndef _MNCC_INT_H +#define _MNCC_INT_H + +#include <stdint.h> + +struct mncc_int { + uint8_t def_codec[2]; +}; + +extern struct mncc_int mncc_int; + +#endif diff --git a/include/osmocom/bsc/network_listen.h b/include/osmocom/bsc/network_listen.h new file mode 100644 index 000000000..67d1f4ef7 --- /dev/null +++ b/include/osmocom/bsc/network_listen.h @@ -0,0 +1,16 @@ +#ifndef _OPENBSC_NWL_H +#define _OPENBSC_NWL_H + +#include <stdint.h> +#include <openbsc/gsm_data.h> + +void ipac_nwl_init(void); + +/* Start a NWL test. It will raise the S_IPAC_TEST_COMPLETE signal. */ +int ipac_nwl_test_start(struct gsm_bts_trx *trx, uint8_t testnr, + const uint8_t *phys_conf, unsigned int phys_conf_len); + +int ipac_rxlevstat2whitelist(uint16_t *buf, const struct rxlev_stats *st, uint8_t min_rxlev, + uint16_t max_num_arfcns); + +#endif /* _OPENBSC_NWL_H */ diff --git a/include/osmocom/bsc/openbscdefines.h b/include/osmocom/bsc/openbscdefines.h new file mode 100644 index 000000000..c6ac153b8 --- /dev/null +++ b/include/osmocom/bsc/openbscdefines.h @@ -0,0 +1,34 @@ +/* + * (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.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 OPENBSCDEFINES_H +#define OPENBSCDEFINES_H + +#ifdef BUILDING_ON_WINDOWS + #ifdef BUILDING_OPENBSC + #define BSC_API __declspec(dllexport) + #else + #define BSC_API __declspec(dllimport) + #endif +#else + #define BSC_API __attribute__((visibility("default"))) +#endif + +#endif diff --git a/include/osmocom/bsc/osmo_bsc.h b/include/osmocom/bsc/osmo_bsc.h new file mode 100644 index 000000000..1d216ac25 --- /dev/null +++ b/include/osmocom/bsc/osmo_bsc.h @@ -0,0 +1,51 @@ +/* OpenBSC BSC code */ + +#ifndef OSMO_BSC_H +#define OSMO_BSC_H + +#include "bsc_api.h" + +#define BSS_SEND_USSD 1 + +struct sccp_connection; +struct osmo_msc_data; +struct bsc_msc_connection; + +struct osmo_bsc_sccp_con { + struct llist_head entry; + + int ciphering_handled; + int rtp_port; + + /* SCCP connection realted */ + struct sccp_connection *sccp; + struct osmo_msc_data *msc; + struct osmo_timer_list sccp_it_timeout; + struct osmo_timer_list sccp_cc_timeout; + + struct llist_head sccp_queue; + unsigned int sccp_queue_size; + + struct gsm_subscriber_connection *conn; + uint8_t new_subscriber; +}; + +struct bsc_api *osmo_bsc_api(); + +int bsc_queue_for_msc(struct osmo_bsc_sccp_con *conn, struct msgb *msg); +int bsc_open_connection(struct osmo_bsc_sccp_con *sccp, struct msgb *msg); +int bsc_create_new_connection(struct gsm_subscriber_connection *conn, + struct osmo_msc_data *msc); +int bsc_delete_connection(struct osmo_bsc_sccp_con *sccp); + +struct osmo_msc_data *bsc_find_msc(struct gsm_subscriber_connection *conn, struct msgb *); +int bsc_scan_bts_msg(struct gsm_subscriber_connection *conn, struct msgb *msg); +int bsc_scan_msc_msg(struct gsm_subscriber_connection *conn, struct msgb *msg); +int bsc_send_welcome_ussd(struct gsm_subscriber_connection *conn); + +int bsc_handle_udt(struct osmo_msc_data *msc, struct msgb *msg, unsigned int length); +int bsc_handle_dt1(struct osmo_bsc_sccp_con *conn, struct msgb *msg, unsigned int len); + +int bsc_ctrl_cmds_install(); + +#endif diff --git a/include/osmocom/bsc/osmo_bsc_grace.h b/include/osmocom/bsc/osmo_bsc_grace.h new file mode 100644 index 000000000..e9c1a0a07 --- /dev/null +++ b/include/osmocom/bsc/osmo_bsc_grace.h @@ -0,0 +1,31 @@ +/* + * (C) 2010-2013 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2010-2013 by On-Waves + * 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 OSMO_BSC_GRACE_H +#define OSMO_BSC_GRACE_H + +#include "gsm_data.h" + +struct osmo_msc_data; + +int bsc_grace_allow_new_connection(struct gsm_network *net, struct gsm_bts *bts); +int bsc_grace_paging_request(struct gsm_subscriber *sub, int type, struct osmo_msc_data *msc); + +#endif diff --git a/include/osmocom/bsc/osmo_bsc_rf.h b/include/osmocom/bsc/osmo_bsc_rf.h new file mode 100644 index 000000000..a67e1bda4 --- /dev/null +++ b/include/osmocom/bsc/osmo_bsc_rf.h @@ -0,0 +1,64 @@ +#ifndef OSMO_BSC_RF +#define OSMO_BSC_RF + +#include <openbsc/gsm_data.h> +#include <osmocom/core/write_queue.h> +#include <osmocom/core/timer.h> + +enum osmo_bsc_rf_opstate { + OSMO_BSC_RF_OPSTATE_INOPERATIONAL, + OSMO_BSC_RF_OPSTATE_OPERATIONAL, +}; + +enum osmo_bsc_rf_adminstate { + OSMO_BSC_RF_ADMINSTATE_UNLOCKED, + OSMO_BSC_RF_ADMINSTATE_LOCKED, +}; + +enum osmo_bsc_rf_policy { + OSMO_BSC_RF_POLICY_OFF, + OSMO_BSC_RF_POLICY_ON, + OSMO_BSC_RF_POLICY_GRACE, + OSMO_BSC_RF_POLICY_UNKNOWN, +}; + + +struct gsm_network; + +struct osmo_bsc_rf { + /* the value of signal.h */ + int policy; + struct osmo_fd listen; + struct gsm_network *gsm_network; + + const char *last_state_command; + + /* delay the command */ + char last_request; + struct osmo_timer_list delay_cmd; + + /* verify that RF is up as it should be */ + struct osmo_timer_list rf_check; + + /* some handling for the automatic grace switch */ + struct osmo_timer_list grace_timeout; + + /* auto RF switch-off due lack of MSC connection */ + struct osmo_timer_list auto_off_timer; +}; + +struct osmo_bsc_rf_conn { + struct osmo_wqueue queue; + struct osmo_bsc_rf *rf; +}; + +const char *osmo_bsc_rf_get_opstate_name(enum osmo_bsc_rf_opstate opstate); +const char *osmo_bsc_rf_get_adminstate_name(enum osmo_bsc_rf_adminstate adminstate); +const char *osmo_bsc_rf_get_policy_name(enum osmo_bsc_rf_policy policy); +enum osmo_bsc_rf_opstate osmo_bsc_rf_get_opstate_by_bts(struct gsm_bts *bts); +enum osmo_bsc_rf_adminstate osmo_bsc_rf_get_adminstate_by_bts(struct gsm_bts *bts); +enum osmo_bsc_rf_policy osmo_bsc_rf_get_policy_by_bts(struct gsm_bts *bts); +struct osmo_bsc_rf *osmo_bsc_rf_create(const char *path, struct gsm_network *net); +void osmo_bsc_rf_schedule_lock(struct osmo_bsc_rf *rf, char cmd); + +#endif diff --git a/include/osmocom/bsc/osmo_msc.h b/include/osmocom/bsc/osmo_msc.h new file mode 100644 index 000000000..beb3f5e4c --- /dev/null +++ b/include/osmocom/bsc/osmo_msc.h @@ -0,0 +1,11 @@ +/* Routines for the MSC handling */ + +#ifndef OSMO_MSC_H +#define OSMO_MSC_H + +#include "bsc_api.h" + +struct bsc_api *msc_bsc_api(); +void msc_release_connection(struct gsm_subscriber_connection *conn); + +#endif diff --git a/include/osmocom/bsc/osmo_msc_data.h b/include/osmocom/bsc/osmo_msc_data.h new file mode 100644 index 000000000..ba93a089d --- /dev/null +++ b/include/osmocom/bsc/osmo_msc_data.h @@ -0,0 +1,116 @@ +/* + * Data for the true BSC + * + * (C) 2010-2011 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2010-2011 by On-Waves + * 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 _OSMO_MSC_DATA_H +#define _OSMO_MSC_DATA_H + +#include "bsc_msc.h" + +#include <osmocom/core/timer.h> +#include <osmocom/gsm/protocol/gsm_04_08.h> + +#include <regex.h> + +struct osmo_bsc_rf; +struct gsm_network; + +struct gsm_audio_support { + uint8_t hr : 1, + ver : 7; +}; + +enum { + MSC_CON_TYPE_NORMAL, + MSC_CON_TYPE_LOCAL, +}; + +struct osmo_msc_data { + struct llist_head entry; + + /* Back pointer */ + struct gsm_network *network; + + int allow_emerg; + int type; + + /* local call routing */ + char *local_pref; + regex_t local_pref_reg; + + + /* Connection data */ + char *bsc_token; + int ping_timeout; + int pong_timeout; + struct osmo_timer_list ping_timer; + struct osmo_timer_list pong_timer; + struct bsc_msc_connection *msc_con; + int core_ncc; + int core_mcc; + int rtp_base; + + /* audio codecs */ + struct gsm48_multi_rate_conf amr_conf; + struct gsm_audio_support **audio_support; + int audio_length; + + /* destinations */ + struct llist_head dests; + + /* ussd welcome text */ + char *ussd_welcome_txt; + + /* mgcp agent */ + struct osmo_wqueue mgcp_agent; + + int nr; +}; + +/* + * Per BSC data. + */ +struct osmo_bsc_data { + struct gsm_network *network; + + /* msc configuration */ + struct llist_head mscs; + + /* rf ctl related bits */ + char *mid_call_txt; + int mid_call_timeout; + char *rf_ctrl_name; + struct osmo_bsc_rf *rf_ctrl; + int auto_off_timeout; +}; + + +int osmo_bsc_msc_init(struct osmo_msc_data *msc); +int osmo_bsc_sccp_init(struct gsm_network *gsmnet); +int msc_queue_write(struct bsc_msc_connection *conn, struct msgb *msg, int proto); + +int osmo_bsc_audio_init(struct gsm_network *network); + +struct osmo_msc_data *osmo_msc_data_find(struct gsm_network *, int); +struct osmo_msc_data *osmo_msc_data_alloc(struct gsm_network *, int); + + +#endif diff --git a/include/osmocom/bsc/paging.h b/include/osmocom/bsc/paging.h new file mode 100644 index 000000000..2a10f4ef1 --- /dev/null +++ b/include/osmocom/bsc/paging.h @@ -0,0 +1,75 @@ +/* Paging helper and manager.... */ +/* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.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 PAGING_H +#define PAGING_H + +#include <stdlib.h> +#include <string.h> + +#include <osmocom/core/linuxlist.h> +#include "gsm_data.h" +#include "gsm_subscriber.h" +#include <osmocom/core/timer.h> + +/** + * A pending paging request + */ +struct gsm_paging_request { + /* list_head for list of all paging requests */ + struct llist_head entry; + /* the subscriber which we're paging. Later gsm_paging_request + * should probably become a part of the gsm_subscriber struct? */ + struct gsm_subscriber *subscr; + /* back-pointer to the BTS on which we are paging */ + struct gsm_bts *bts; + /* what kind of channel type do we ask the MS to establish */ + int chan_type; + + /* Timer 3113: how long do we try to page? */ + struct osmo_timer_list T3113; + + /* How often did we ask the BTS to page? */ + int attempts; + + /* callback to be called in case paging completes */ + gsm_cbfn *cbfn; + void *cbfn_param; +}; + +/* schedule paging request */ +int paging_request(struct gsm_network *network, struct gsm_subscriber *subscr, + int type, gsm_cbfn *cbfn, void *data); +int paging_request_bts(struct gsm_bts *bts, struct gsm_subscriber *subscr, + int type, gsm_cbfn *cbfn, void *data); + +/* stop paging requests */ +void paging_request_stop(struct gsm_bts *bts, struct gsm_subscriber *subscr, + struct gsm_subscriber_connection *conn, + struct msgb *msg); + +/* update paging load */ +void paging_update_buffer_space(struct gsm_bts *bts, uint16_t); + +/* pending paging requests */ +unsigned int paging_pending_requests_nr(struct gsm_bts *bts); + +void *paging_get_data(struct gsm_bts *bts, struct gsm_subscriber *subscr); + +#endif diff --git a/include/osmocom/bsc/rest_octets.h b/include/osmocom/bsc/rest_octets.h new file mode 100644 index 000000000..56d4e0de8 --- /dev/null +++ b/include/osmocom/bsc/rest_octets.h @@ -0,0 +1,132 @@ +#ifndef _REST_OCTETS_H +#define _REST_OCTETS_H + +#include <openbsc/gsm_04_08.h> + +/* generate SI1 rest octets */ +int rest_octets_si1(uint8_t *data, uint8_t *nch_pos, int is1800_net); + +struct gsm48_si_selection_params { + uint16_t penalty_time:5, + temp_offs:3, + cell_resel_off:6, + cbq:1, + present:1; +}; + +struct gsm48_si_power_offset { + uint8_t power_offset:2, + present:1; +}; + +struct gsm48_si3_gprs_ind { + uint8_t si13_position:1, + ra_colour:3, + present:1; +}; + +struct gsm48_lsa_params { + uint32_t prio_thr:3, + lsa_offset:3, + mcc:12, + mnc:12; + unsigned int present; +}; + +struct gsm48_si_ro_info { + struct gsm48_si_selection_params selection_params; + struct gsm48_si_power_offset power_offset; + uint8_t si2ter_indicator; + uint8_t early_cm_ctrl; + struct { + uint8_t where:3, + present:1; + } scheduling; + struct gsm48_si3_gprs_ind gprs_ind; + + /* SI 4 specific */ + struct gsm48_lsa_params lsa_params; + uint16_t cell_id; + uint8_t break_ind; /* do we have SI7 + SI8 ? */ +}; + + +/* Generate SI3 Rest Octests (Chapter 10.5.2.34 / Table 10.4.72) */ +int rest_octets_si3(uint8_t *data, const struct gsm48_si_ro_info *si3); + +/* Generate SI4 Rest Octets (Chapter 10.5.2.35) */ +int rest_octets_si4(uint8_t *data, const struct gsm48_si_ro_info *si4); + +enum pbcch_carrier_type { + PBCCH_BCCH, + PBCCH_ARFCN, + PBCCH_MAIO +}; + +/* TS 03.60 Chapter 6.3.3.1: Network Mode of Operation */ +enum gprs_nmo { + GPRS_NMO_I = 0, /* CS pagin on GPRS paging or traffic channel */ + GPRS_NMO_II = 1, /* all paging on CCCH */ + GPRS_NMO_III = 2, /* no paging coordination */ +}; + +/* TS 04.60 12.24 */ +struct gprs_cell_options { + enum gprs_nmo nmo; + /* T3168: wait for packet uplink assignment message */ + uint32_t t3168; /* in milliseconds */ + /* T3192: wait for release of the TBF after reception of the final block */ + uint32_t t3192; /* in milliseconds */ + uint32_t drx_timer_max;/* in seconds */ + uint32_t bs_cv_max; + + uint8_t ext_info_present; + struct { + uint8_t egprs_supported; + uint8_t use_egprs_p_ch_req; + uint8_t bep_period; + uint8_t pfc_supported; + uint8_t dtm_supported; + uint8_t bss_paging_coordination; + } ext_info; +}; + +/* TS 04.60 Table 12.9.2 */ +struct gprs_power_ctrl_pars { + uint8_t alpha; + uint8_t t_avg_w; + uint8_t t_avg_t; + uint8_t pc_meas_chan; + uint8_t n_avg_i; +}; + +struct gsm48_si13_info { + struct gprs_cell_options cell_opts; + struct gprs_power_ctrl_pars pwr_ctrl_pars; + uint8_t bcch_change_mark; + uint8_t si_change_field; + uint8_t pbcch_present; + + union { + struct { + uint8_t rac; + uint8_t spgc_ccch_sup; + uint8_t net_ctrl_ord; + uint8_t prio_acc_thr; + } no_pbcch; + struct { + uint8_t psi1_rep_per; + uint8_t pb; + uint8_t tsc; + uint8_t tn; + enum pbcch_carrier_type carrier_type; + uint16_t arfcn; + uint8_t maio; + } pbcch; + }; +}; + +/* Generate SI13 Rest Octests (Chapter 10.5.2.37b) */ +int rest_octets_si13(uint8_t *data, const struct gsm48_si13_info *si13); + +#endif /* _REST_OCTETS_H */ diff --git a/include/osmocom/bsc/rrlp.h b/include/osmocom/bsc/rrlp.h new file mode 100644 index 000000000..c89402a2d --- /dev/null +++ b/include/osmocom/bsc/rrlp.h @@ -0,0 +1,7 @@ +#ifndef _RRLP_H +#define _RRLP_H + +void on_dso_load_rrlp(void); + +#endif /* _RRLP_H */ + diff --git a/include/osmocom/bsc/rs232.h b/include/osmocom/bsc/rs232.h new file mode 100644 index 000000000..61187ca62 --- /dev/null +++ b/include/osmocom/bsc/rs232.h @@ -0,0 +1,9 @@ +#ifndef _RS232_H +#define _RS232_H + +int rs232_setup(const char *serial_port, unsigned int delay_ms, + struct gsm_bts *bts); + +int handle_serial_msg(struct msgb *msg); + +#endif /* _RS232_H */ diff --git a/include/osmocom/bsc/rtp_proxy.h b/include/osmocom/bsc/rtp_proxy.h new file mode 100644 index 000000000..26cac0df4 --- /dev/null +++ b/include/osmocom/bsc/rtp_proxy.h @@ -0,0 +1,91 @@ +#ifndef _RTP_PROXY_H +#define _RTP_PROXY_H + +/* RTP proxy handling for ip.access nanoBTS */ + +/* (C) 2009 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/>. + * + */ + + +#include <netinet/in.h> + +#include <osmocom/core/linuxlist.h> +#include <osmocom/core/select.h> + +#include <openbsc/mncc.h> + +#define RTP_PT_GSM_FULL 3 +#define RTP_PT_GSM_HALF 96 +#define RTP_PT_GSM_EFR 97 +#define RTP_PT_AMR 98 + +enum rtp_rx_action { + RTP_NONE, + RTP_PROXY, + RTP_RECV_UPSTREAM, +}; + +enum rtp_tx_action { + RTP_SEND_NONE, + RTP_SEND_DOWNSTREAM, +}; + +struct rtp_sub_socket { + struct sockaddr_in sin_local; + struct sockaddr_in sin_remote; + + struct osmo_fd bfd; + /* linked list of to-be-transmitted msgb's */ + struct llist_head tx_queue; +}; + +struct rtp_socket { + struct llist_head list; + + struct rtp_sub_socket rtp; + struct rtp_sub_socket rtcp; + + /* what should we do on receive? */ + enum rtp_rx_action rx_action; + union { + struct { + struct rtp_socket *other_sock; + } proxy; + struct { + struct gsm_network *net; + uint32_t callref; + } receive; + }; + enum rtp_tx_action tx_action; + struct { + uint16_t sequence; + uint32_t timestamp; + uint32_t ssrc; + struct timeval last_tv; + } transmit; +}; + +struct rtp_socket *rtp_socket_create(void); +int rtp_socket_bind(struct rtp_socket *rs, uint32_t ip); +int rtp_socket_connect(struct rtp_socket *rs, uint32_t ip, uint16_t port); +int rtp_socket_proxy(struct rtp_socket *this, struct rtp_socket *other); +int rtp_socket_upstream(struct rtp_socket *this, struct gsm_network *net, uint32_t callref); +int rtp_socket_free(struct rtp_socket *rs); +int rtp_send_frame(struct rtp_socket *rs, struct gsm_data_frame *frame); + +#endif /* _RTP_PROXY_H */ diff --git a/include/osmocom/bsc/sgsn.h b/include/osmocom/bsc/sgsn.h new file mode 100644 index 000000000..f7af7509b --- /dev/null +++ b/include/osmocom/bsc/sgsn.h @@ -0,0 +1,69 @@ +#ifndef _SGSN_H +#define _SGSN_H + + +#include <osmocom/core/msgb.h> + +#include <osmocom/gprs/gprs_ns.h> +#include <openbsc/gprs_sgsn.h> + +struct sgsn_config { + /* parsed from config file */ + + char *gtp_statedir; + struct sockaddr_in gtp_listenaddr; + + /* misc */ + struct gprs_ns_inst *nsi; + + int acl_enabled; + struct llist_head imsi_acl; +}; + +struct sgsn_instance { + char *config_file; + struct sgsn_config cfg; + /* File descriptor wrappers for LibGTP */ + struct osmo_fd gtp_fd0; + struct osmo_fd gtp_fd1c; + struct osmo_fd gtp_fd1u; + /* Timer for libGTP */ + struct osmo_timer_list gtp_timer; + /* GSN instance for libgtp */ + struct gsn_t *gsn; +}; + +extern struct sgsn_instance *sgsn; + +/* sgsn_vty.c */ + +int sgsn_vty_init(void); +int sgsn_parse_config(const char *config_file, struct sgsn_config *cfg); + +/* sgsn.c */ + +/* Main input function for Gb proxy */ +int sgsn_rcvmsg(struct msgb *msg, struct gprs_nsvc *nsvc, uint16_t ns_bvci); + + +struct sgsn_pdp_ctx *sgsn_create_pdp_ctx(struct sgsn_ggsn_ctx *ggsn, + struct sgsn_mm_ctx *mmctx, + uint16_t nsapi, + struct tlv_parsed *tp); +int sgsn_delete_pdp_ctx(struct sgsn_pdp_ctx *pctx); + +/* gprs_sndcp.c */ + +/* Entry point for the SNSM-ACTIVATE.indication */ +int sndcp_sm_activate_ind(struct gprs_llc_lle *lle, uint8_t nsapi); +/* Entry point for the SNSM-DEACTIVATE.indication */ +int sndcp_sm_deactivate_ind(struct gprs_llc_lle *lle, uint8_t nsapi); +/* Called by SNDCP when it has received/re-assembled a N-PDU */ +int sgsn_rx_sndcp_ud_ind(struct gprs_ra_id *ra_id, int32_t tlli, uint8_t nsapi, + struct msgb *msg, uint32_t npdu_len, uint8_t *npdu); +int sndcp_unitdata_req(struct msgb *msg, struct gprs_llc_lle *lle, uint8_t nsapi, + void *mmcontext); +int sndcp_llunitdata_ind(struct msgb *msg, struct gprs_llc_lle *lle, + uint8_t *hdr, uint16_t len); + +#endif diff --git a/include/osmocom/bsc/signal.h b/include/osmocom/bsc/signal.h new file mode 100644 index 000000000..39319f1c9 --- /dev/null +++ b/include/osmocom/bsc/signal.h @@ -0,0 +1,244 @@ +/* Generic signalling/notification infrastructure */ +/* (C) 2009-2010 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2009 by Harald Welte <laforge@gnumonks.org> + * (C) 2010 by On-Waves + * 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 OPENBSC_SIGNAL_H +#define OPENBSC_SIGNAL_H + +#include <stdlib.h> +#include <errno.h> + +#include <openbsc/gsm_data.h> + +#include <osmocom/core/signal.h> + +/* + * Signalling subsystems + */ +enum signal_subsystems { + SS_PAGING, + SS_SMS, + SS_ABISIP, + SS_NM, + SS_LCHAN, + SS_SUBSCR, + SS_SCALL, + SS_CHALLOC, + SS_IPAC_NWL, + SS_RF, + SS_MSC, + SS_HO, + SS_CCCH, +}; + +/* SS_PAGING signals */ +enum signal_paging { + S_PAGING_SUCCEEDED, + S_PAGING_EXPIRED, +}; + +/* SS_SMS signals */ +enum signal_sms { + S_SMS_SUBMITTED, /* A SMS has been successfully submitted to us */ + S_SMS_DELIVERED, /* A SMS has been successfully delivered to a MS */ + S_SMS_SMMA, /* A MS tells us it has more space available */ + S_SMS_MEM_EXCEEDED, /* A MS tells us it has no more space available */ + S_SMS_UNKNOWN_ERROR, /* A MS tells us it has an error */ +}; + +/* SS_ABISIP signals */ +enum signal_abisip { + S_ABISIP_CRCX_ACK, + S_ABISIP_MDCX_ACK, + S_ABISIP_DLCX_IND, +}; + +/* SS_NM signals */ +enum signal_nm { + S_NM_SW_ACTIV_REP, /* GSM 12.21 software activated report */ + S_NM_FAIL_REP, /* GSM 12.21 failure event report */ + S_NM_NACK, /* GSM 12.21 various NM_MT_*_NACK happened */ + S_NM_IPACC_NACK, /* GSM 12.21 nanoBTS extensions NM_MT_IPACC_*_*_NACK happened */ + S_NM_IPACC_ACK, /* GSM 12.21 nanoBTS extensions NM_MT_IPACC_*_*_ACK happened */ + S_NM_IPACC_RESTART_ACK, /* nanoBTS has send a restart ack */ + S_NM_IPACC_RESTART_NACK,/* nanoBTS has send a restart ack */ + S_NM_TEST_REP, /* GSM 12.21 Test Report */ + S_NM_STATECHG_OPER, /* Operational State changed*/ + S_NM_STATECHG_ADM, /* Administrative State changed */ + S_NM_OM2K_CONF_RES, /* OM2K Configuration Result */ +}; + +/* SS_LCHAN signals */ +enum signal_lchan { + /* + * The lchan got freed with an use_count != 0 and error + * recovery needs to be carried out from within the + * signal handler. + */ + S_LCHAN_UNEXPECTED_RELEASE, + S_LCHAN_ACTIVATE_ACK, /* 08.58 Channel Activate ACK */ + S_LCHAN_ACTIVATE_NACK, /* 08.58 Channel Activate NACK */ + S_LCHAN_HANDOVER_COMPL, /* 04.08 Handover Completed */ + S_LCHAN_HANDOVER_FAIL, /* 04.08 Handover Failed */ + S_LCHAN_HANDOVER_DETECT, /* 08.58 Handover Detect */ + S_LCHAN_MEAS_REP, /* 08.58 Measurement Report */ +}; + +/* SS_CHALLOC signals */ +enum signal_challoc { + S_CHALLOC_ALLOC_FAIL, /* allocation of lchan has failed */ + S_CHALLOC_FREED, /* lchan has been successfully freed */ +}; + +/* SS_SUBSCR signals */ +enum signal_subscr { + S_SUBSCR_ATTACHED, + S_SUBSCR_DETACHED, + S_SUBSCR_IDENTITY, /* we've received some identity information */ +}; + +/* SS_SCALL signals */ +enum signal_scall { + S_SCALL_SUCCESS, + S_SCALL_EXPIRED, + S_SCALL_DETACHED, +}; + +/* SS_IPAC_NWL signals */ +enum signal_ipaccess { + S_IPAC_NWL_COMPLETE, +}; + +enum signal_global { + S_GLOBAL_BTS_CLOSE_OM, +}; + +/* SS_RF signals */ +enum signal_rf { + S_RF_OFF, + S_RF_ON, + S_RF_GRACE, +}; + +struct gsm_subscriber; + +struct paging_signal_data { + struct gsm_subscriber *subscr; + struct gsm_bts *bts; + + int paging_result; + + /* NULL in case the paging didn't work */ + struct gsm_subscriber_connection *conn; +}; + +struct scall_signal_data { + struct gsm_subscriber *subscr; + struct gsm_subscriber_connection *conn; + void *data; +}; + +struct ipacc_ack_signal_data { + struct gsm_bts_trx *trx; + uint8_t msg_type; +}; + +struct abis_om2k_mo; + +struct nm_statechg_signal_data { + struct gsm_bts *bts; + uint8_t obj_class; + void *obj; + struct gsm_nm_state *old_state; + struct gsm_nm_state *new_state; + + /* This pointer is vaold for TS 12.21 MO */ + struct abis_om_obj_inst *obj_inst; + /* This pointer is vaold for RBS2000 MO */ + struct abis_om2k_mo *om2k_mo; +}; + +struct nm_om2k_signal_data { + struct gsm_bts *bts; + void *obj; + struct abis_om2k_mo *om2k_mo; + + uint8_t accordance_ind; +}; + +struct nm_nack_signal_data { + struct msgb *msg; + struct gsm_bts *bts; + uint8_t mt; +}; + +struct challoc_signal_data { + struct gsm_bts *bts; + struct gsm_lchan *lchan; + enum gsm_chan_t type; +}; + +struct rf_signal_data { + struct gsm_network *net; +}; + +struct sms_signal_data { + /* The transaction where this occured */ + struct gsm_trans *trans; + /* Can be NULL for SMMA */ + struct gsm_sms *sms; + /* int paging result. Only the ones with > 0 */ + int paging_result; +}; + +struct lchan_signal_data { + /* The lchan the signal happened on */ + struct gsm_lchan *lchan; + /* Measurement reports on this lchan */ + struct gsm_meas_rep *mr; +}; + +/* MSC signals */ +enum signal_msc { + S_MSC_LOST, + S_MSC_CONNECTED, + S_MSC_AUTHENTICATED, +}; + +struct osmo_msc_data; +struct msc_signal_data { + struct osmo_msc_data *data; +}; + +/* SS_CCCH signals */ +enum signal_ccch { + S_CCCH_PAGING_LOAD, + S_CCCH_RACH_LOAD, +}; + +struct ccch_signal_data { + struct gsm_bts *bts; + uint16_t pg_buf_space; + uint16_t rach_slot_count; + uint16_t rach_busy_count; + uint16_t rach_access_count; +}; + +#endif diff --git a/include/osmocom/bsc/silent_call.h b/include/osmocom/bsc/silent_call.h new file mode 100644 index 000000000..2492903c2 --- /dev/null +++ b/include/osmocom/bsc/silent_call.h @@ -0,0 +1,12 @@ +#ifndef _SILENT_CALL_H +#define _SILENT_CALL_H + +struct gsm_subscriber_connection; + +extern int gsm_silent_call_start(struct gsm_subscriber *subscr, + void *data, int type); +extern int gsm_silent_call_stop(struct gsm_subscriber *subscr); +extern int silent_call_rx(struct gsm_subscriber_connection *conn, struct msgb *msg); +extern int silent_call_reroute(struct gsm_subscriber_connection *conn, struct msgb *msg); + +#endif /* _SILENT_CALL_H */ diff --git a/include/osmocom/bsc/sms_queue.h b/include/osmocom/bsc/sms_queue.h new file mode 100644 index 000000000..2a8bd5850 --- /dev/null +++ b/include/osmocom/bsc/sms_queue.h @@ -0,0 +1,17 @@ +#ifndef SMS_QUEUE_H +#define SMS_QUEUE_H + +struct gsm_network; +struct gsm_sms_queue; +struct vty; + +int sms_queue_start(struct gsm_network *, int in_flight); +int sms_queue_trigger(struct gsm_sms_queue *); + +/* vty helper functions */ +int sms_queue_stats(struct gsm_sms_queue *, struct vty* vty); +int sms_queue_set_max_pending(struct gsm_sms_queue *, int max); +int sms_queue_set_max_failure(struct gsm_sms_queue *, int fail); +int sms_queue_clear(struct gsm_sms_queue *); + +#endif diff --git a/include/osmocom/bsc/socket.h b/include/osmocom/bsc/socket.h new file mode 100644 index 000000000..0fd85f104 --- /dev/null +++ b/include/osmocom/bsc/socket.h @@ -0,0 +1,14 @@ +#ifndef _BSC_SOCKET_H +#define _BSC_SOCKET_H + +#include <osmocom/core/select.h> + +#ifndef IPPROTO_GRE +#define IPPROTO_GRE 47 +#endif + +int make_sock(struct osmo_fd *bfd, int proto, + uint32_t ip, uint16_t port, int priv_nr, + int (*cb)(struct osmo_fd *fd, unsigned int what), void *data); + +#endif /* _BSC_SOCKET_H */ diff --git a/include/osmocom/bsc/system_information.h b/include/osmocom/bsc/system_information.h new file mode 100644 index 000000000..6a5684821 --- /dev/null +++ b/include/osmocom/bsc/system_information.h @@ -0,0 +1,10 @@ +#ifndef _SYSTEM_INFO_H +#define _SYSTEM_INFO_H + +#include <osmocom/gsm/sysinfo.h> + +struct gsm_bts; + +int gsm_generate_si(struct gsm_bts *bts, enum osmo_sysinfo_type type); + +#endif diff --git a/include/osmocom/bsc/token_auth.h b/include/osmocom/bsc/token_auth.h new file mode 100644 index 000000000..47dc7aa94 --- /dev/null +++ b/include/osmocom/bsc/token_auth.h @@ -0,0 +1,7 @@ +#ifndef _TOKEN_AUTH_H +#define _TOKEN_AUTH_H + +void on_dso_load_token(void); + +#endif /* _TOKEN_AUTH_H */ + diff --git a/include/osmocom/bsc/transaction.h b/include/osmocom/bsc/transaction.h new file mode 100644 index 000000000..b6c859c71 --- /dev/null +++ b/include/osmocom/bsc/transaction.h @@ -0,0 +1,75 @@ +#ifndef _TRANSACT_H +#define _TRANSACT_H + +#include <openbsc/gsm_data.h> +#include <openbsc/gsm_subscriber.h> +#include <osmocom/core/linuxlist.h> +#include <openbsc/gsm_04_11.h> +#include <openbsc/mncc.h> +#include <osmocom/gsm/gsm0411_smc.h> +#include <osmocom/gsm/gsm0411_smr.h> + +/* One transaction */ +struct gsm_trans { + /* Entry in list of all transactions */ + struct llist_head entry; + + /* The protocol within which we live */ + uint8_t protocol; + + /* The current transaction ID */ + uint8_t transaction_id; + + /* To whom we belong, unique identifier of remote MM entity */ + struct gsm_subscriber *subscr; + + /* The associated connection we are using to transmit messages */ + struct gsm_subscriber_connection *conn; + + /* reference from MNCC or other application */ + uint32_t callref; + + /* if traffic channel receive was requested */ + int tch_recv; + + /* is thats one paging? */ + struct gsm_network **paging_request; + + union { + struct { + + /* current call state */ + int state; + + /* current timer and message queue */ + int Tcurrent; /* current CC timer */ + int T308_second; /* used to send release again */ + struct osmo_timer_list timer; + struct gsm_mncc msg; /* stores setup/disconnect/release message */ + } cc; + struct { + struct gsm411_smc_inst smc_inst; + struct gsm411_smr_inst smr_inst; + + struct gsm_sms *sms; + } sms; + }; +}; + + + +struct gsm_trans *trans_find_by_id(struct gsm_subscriber *subscr, + uint8_t proto, uint8_t trans_id); +struct gsm_trans *trans_find_by_callref(struct gsm_network *net, + uint32_t callref); + +struct gsm_trans *trans_alloc(struct gsm_subscriber *subscr, + uint8_t protocol, uint8_t trans_id, + uint32_t callref); +void trans_free(struct gsm_trans *trans); + +int trans_assign_trans_id(struct gsm_subscriber *subscr, + uint8_t protocol, uint8_t ti_flag); +int trans_has_conn(const struct gsm_subscriber_connection *conn); + +#endif diff --git a/include/osmocom/bsc/trau_mux.h b/include/osmocom/bsc/trau_mux.h new file mode 100644 index 000000000..2c01b06db --- /dev/null +++ b/include/osmocom/bsc/trau_mux.h @@ -0,0 +1,55 @@ +/* Simple TRAU frame reflector to route voice calls */ + +/* (C) 2009 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/>. + * + */ + +/* The "TRAU mux map" defines which particular 16kbit sub-slot (in which E1 + * timeslot on which E1 interface) should be directly muxed to which other + * sub-slot. Entries in the mux map are always bi-directional. + * + * The idea of all this is to directly switch voice channels in the BSC + * from one phone to another. We do this right now since we don't support + * any external interface for voice channels, and in the future as an + * optimization to routing them externally. + */ + +#include <stdint.h> +#include <openbsc/gsm_data.h> +#include <openbsc/mncc.h> + +/* map a TRAU mux map entry */ +int trau_mux_map(const struct gsm_e1_subslot *src, + const struct gsm_e1_subslot *dst); +int trau_mux_map_lchan(const struct gsm_lchan *src, + const struct gsm_lchan *dst); + +/* unmap a TRAU mux map entry */ +int trau_mux_unmap(const struct gsm_e1_subslot *ss, uint32_t callref); + +/* we get called by subchan_demux */ +int trau_mux_input(struct gsm_e1_subslot *src_e1_ss, + const uint8_t *trau_bits, int num_bits); + +/* add a trau receiver */ +int trau_recv_lchan(struct gsm_lchan *lchan, uint32_t callref); + +/* send trau from application */ +int trau_send_frame(struct gsm_lchan *lchan, struct gsm_data_frame *frame); + +/* callback invoked if we receive TRAU frames */ +int subch_cb(struct subch_demux *dmx, int ch, uint8_t *data, int len, void *_priv); diff --git a/include/osmocom/bsc/trau_upqueue.h b/include/osmocom/bsc/trau_upqueue.h new file mode 100644 index 000000000..ecc765843 --- /dev/null +++ b/include/osmocom/bsc/trau_upqueue.h @@ -0,0 +1,7 @@ +#ifndef _TRAU_UPQUEUE_H +#define _TRAU_UPQUEUE_H + +void trau_tx_to_mncc(struct gsm_network *net, struct msgb *msg); + +#endif /* _TRAU_UPQUEUE_H */ + diff --git a/include/osmocom/bsc/ussd.h b/include/osmocom/bsc/ussd.h new file mode 100644 index 000000000..266546811 --- /dev/null +++ b/include/osmocom/bsc/ussd.h @@ -0,0 +1,10 @@ +#ifndef _USSD_H +#define _USSD_H + +/* Handler function for mobile-originated USSD messages */ + +#include <osmocom/core/msgb.h> + +int handle_rcv_ussd(struct gsm_subscriber_connection *conn, struct msgb *msg); + +#endif diff --git a/include/osmocom/bsc/vty.h b/include/osmocom/bsc/vty.h new file mode 100644 index 000000000..183fc2510 --- /dev/null +++ b/include/osmocom/bsc/vty.h @@ -0,0 +1,49 @@ +#ifndef OPENBSC_VTY_H +#define OPENBSC_VTY_H + +#include <osmocom/vty/vty.h> +#include <osmocom/vty/buffer.h> +#include <osmocom/vty/command.h> + +struct gsm_network; +struct vty; + +void openbsc_vty_print_statistics(struct vty *vty, struct gsm_network *); + +struct buffer *vty_argv_to_buffer(int argc, const char *argv[], int base); + +extern struct cmd_element cfg_description_cmd; +extern struct cmd_element cfg_no_description_cmd; +extern struct cmd_element ournode_exit_cmd; +extern struct cmd_element ournode_end_cmd; + +enum bsc_vty_node { + GSMNET_NODE = _LAST_OSMOVTY_NODE + 1, + BTS_NODE, + TRX_NODE, + TS_NODE, + SUBSCR_NODE, + MGCP_NODE, + GBPROXY_NODE, + SGSN_NODE, + OML_NODE, + NAT_NODE, + NAT_BSC_NODE, + MSC_NODE, + OM2K_NODE, + TRUNK_NODE, + PGROUP_NODE, + MNCC_INT_NODE, + BSC_NODE, + SMPP_NODE, + SMPP_ESME_NODE, +}; + +extern int bsc_vty_is_config_node(struct vty *vty, int node); +extern void bsc_replace_string(void *ctx, char **dst, const char *newstr); + +struct log_info; +int bsc_vty_init(const struct log_info *cat); +int bsc_vty_init_extra(void); + +#endif |