Harald Welte | fbc5ca0 | 2010-03-04 10:39:50 +0100 | [diff] [blame] | 1 | /* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org> |
Harald Welte | 8470bf2 | 2008-12-25 23:28:35 +0000 | [diff] [blame] | 2 | * |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 3 | * All Rights Reserved |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 6 | * it under the terms of the GNU Affero General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 of the License, or |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 13 | * GNU Affero General Public License for more details. |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 14 | * |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 15 | * You should have received a copy of the GNU Affero General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 17 | * |
| 18 | */ |
| 19 | |
| 20 | |
| 21 | #include <stdlib.h> |
Harald Welte | 51f3845 | 2009-02-24 22:36:40 +0000 | [diff] [blame] | 22 | #include <stdio.h> |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 23 | #include <string.h> |
Harald Welte | fcd2445 | 2009-06-20 18:15:19 +0200 | [diff] [blame] | 24 | #include <errno.h> |
Harald Welte | 4258182 | 2009-08-08 16:12:58 +0200 | [diff] [blame] | 25 | #include <ctype.h> |
Max | c08ee71 | 2016-05-11 12:45:13 +0200 | [diff] [blame] | 26 | #include <stdbool.h> |
Harald Welte | 97a282b | 2010-03-14 15:37:43 +0800 | [diff] [blame] | 27 | #include <netinet/in.h> |
| 28 | |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 29 | #include <osmocom/core/linuxlist.h> |
| 30 | #include <osmocom/core/talloc.h> |
| 31 | #include <osmocom/gsm/gsm_utils.h> |
Harald Welte | 867d9f3 | 2011-05-23 20:30:39 +0200 | [diff] [blame] | 32 | #include <osmocom/gsm/abis_nm.h> |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 33 | #include <osmocom/core/statistics.h> |
Max | c08ee71 | 2016-05-11 12:45:13 +0200 | [diff] [blame] | 34 | #include <osmocom/gsm/protocol/gsm_04_08.h> |
Neels Hofmeyr | 7b65688 | 2017-07-09 22:09:18 +0200 | [diff] [blame] | 35 | #include <osmocom/gsm/gsm48.h> |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 36 | |
Neels Hofmeyr | c016479 | 2017-09-04 15:15:32 +0200 | [diff] [blame] | 37 | #include <osmocom/bsc/gsm_data.h> |
| 38 | #include <osmocom/bsc/bsc_msc_data.h> |
| 39 | #include <osmocom/bsc/abis_nm.h> |
Neels Hofmeyr | e25018b | 2017-11-27 21:29:33 +0100 | [diff] [blame] | 40 | #include <osmocom/bsc/handover_cfg.h> |
Holger Hans Peter Freyther | ed83286 | 2010-06-28 18:20:22 +0800 | [diff] [blame] | 41 | |
Neels Hofmeyr | cc6240a | 2018-02-13 21:21:42 +0100 | [diff] [blame^] | 42 | void *tall_bsc_ctx = NULL; |
Andreas Eversberg | 8226fa7 | 2009-06-29 15:19:38 +0200 | [diff] [blame] | 43 | |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 44 | static LLIST_HEAD(bts_models); |
| 45 | |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 46 | void set_ts_e1link(struct gsm_bts_trx_ts *ts, uint8_t e1_nr, |
| 47 | uint8_t e1_ts, uint8_t e1_ts_ss) |
Harald Welte | cd06bfb | 2009-02-10 17:33:56 +0000 | [diff] [blame] | 48 | { |
| 49 | ts->e1_link.e1_nr = e1_nr; |
| 50 | ts->e1_link.e1_ts = e1_ts; |
| 51 | ts->e1_link.e1_ts_ss = e1_ts_ss; |
| 52 | } |
| 53 | |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 54 | static struct gsm_bts_model *bts_model_find(enum gsm_bts_type type) |
| 55 | { |
| 56 | struct gsm_bts_model *model; |
| 57 | |
| 58 | llist_for_each_entry(model, &bts_models, list) { |
| 59 | if (model->type == type) |
| 60 | return model; |
| 61 | } |
| 62 | |
| 63 | return NULL; |
| 64 | } |
| 65 | |
| 66 | int gsm_bts_model_register(struct gsm_bts_model *model) |
| 67 | { |
| 68 | if (bts_model_find(model->type)) |
| 69 | return -EEXIST; |
| 70 | |
Harald Welte | 867d9f3 | 2011-05-23 20:30:39 +0200 | [diff] [blame] | 71 | tlv_def_patch(&model->nm_att_tlvdef, &abis_nm_att_tlvdef); |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 72 | llist_add_tail(&model->list, &bts_models); |
| 73 | return 0; |
| 74 | } |
| 75 | |
Harald Welte | e555c2b | 2012-08-17 13:02:12 +0200 | [diff] [blame] | 76 | const struct value_string bts_type_descs[_NUM_GSM_BTS_TYPE+1] = { |
| 77 | { GSM_BTS_TYPE_UNKNOWN, "Unknown BTS Type" }, |
| 78 | { GSM_BTS_TYPE_BS11, "Siemens BTS (BS-11 or compatible)" }, |
| 79 | { GSM_BTS_TYPE_NANOBTS, "ip.access nanoBTS or compatible" }, |
| 80 | { GSM_BTS_TYPE_RBS2000, "Ericsson RBS2000 Series" }, |
Harald Welte | e555c2b | 2012-08-17 13:02:12 +0200 | [diff] [blame] | 81 | { GSM_BTS_TYPE_NOKIA_SITE, "Nokia {Metro,Ultra,In}Site" }, |
Max | f9685c1 | 2017-03-23 12:01:07 +0100 | [diff] [blame] | 82 | { GSM_BTS_TYPE_OSMOBTS, "sysmocom sysmoBTS" }, |
Harald Welte | e555c2b | 2012-08-17 13:02:12 +0200 | [diff] [blame] | 83 | { 0, NULL } |
| 84 | }; |
| 85 | |
Harald Welte | 6e670aa | 2010-01-07 20:44:32 +0100 | [diff] [blame] | 86 | struct gsm_bts_trx *gsm_bts_trx_by_nr(struct gsm_bts *bts, int nr) |
| 87 | { |
| 88 | struct gsm_bts_trx *trx; |
| 89 | |
| 90 | llist_for_each_entry(trx, &bts->trx_list, list) { |
| 91 | if (trx->nr == nr) |
| 92 | return trx; |
| 93 | } |
| 94 | return NULL; |
| 95 | } |
| 96 | |
Harald Welte | be99149 | 2009-05-23 13:56:40 +0000 | [diff] [blame] | 97 | /* Search for a BTS in the given Location Area; optionally start searching |
| 98 | * with start_bts (for continuing to search after the first result) */ |
| 99 | struct gsm_bts *gsm_bts_by_lac(struct gsm_network *net, unsigned int lac, |
| 100 | struct gsm_bts *start_bts) |
| 101 | { |
| 102 | int i; |
| 103 | struct gsm_bts *bts; |
| 104 | int skip = 0; |
| 105 | |
| 106 | if (start_bts) |
| 107 | skip = 1; |
| 108 | |
| 109 | for (i = 0; i < net->num_bts; i++) { |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 110 | bts = gsm_bts_num(net, i); |
Harald Welte | be99149 | 2009-05-23 13:56:40 +0000 | [diff] [blame] | 111 | |
| 112 | if (skip) { |
| 113 | if (start_bts == bts) |
| 114 | skip = 0; |
| 115 | continue; |
| 116 | } |
| 117 | |
Holger Hans Peter Freyther | e48b956 | 2009-10-01 04:07:15 +0200 | [diff] [blame] | 118 | if (lac == GSM_LAC_RESERVED_ALL_BTS || bts->location_area_code == lac) |
Harald Welte | be99149 | 2009-05-23 13:56:40 +0000 | [diff] [blame] | 119 | return bts; |
| 120 | } |
| 121 | return NULL; |
| 122 | } |
Harald Welte | fcd2445 | 2009-06-20 18:15:19 +0200 | [diff] [blame] | 123 | |
Harald Welte | 4511d89 | 2010-04-18 15:51:20 +0200 | [diff] [blame] | 124 | static const struct value_string bts_gprs_mode_names[] = { |
| 125 | { BTS_GPRS_NONE, "none" }, |
| 126 | { BTS_GPRS_GPRS, "gprs" }, |
| 127 | { BTS_GPRS_EGPRS, "egprs" }, |
| 128 | { 0, NULL } |
| 129 | }; |
| 130 | |
Holger Hans Peter Freyther | 4e13a8f | 2015-01-31 22:16:00 +0100 | [diff] [blame] | 131 | enum bts_gprs_mode bts_gprs_mode_parse(const char *arg, int *valid) |
Harald Welte | 4511d89 | 2010-04-18 15:51:20 +0200 | [diff] [blame] | 132 | { |
Holger Hans Peter Freyther | 4e13a8f | 2015-01-31 22:16:00 +0100 | [diff] [blame] | 133 | int rc; |
| 134 | |
| 135 | rc = get_string_value(bts_gprs_mode_names, arg); |
| 136 | if (valid) |
| 137 | *valid = rc != -EINVAL; |
| 138 | return rc; |
Harald Welte | 4511d89 | 2010-04-18 15:51:20 +0200 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | const char *bts_gprs_mode_name(enum bts_gprs_mode mode) |
| 142 | { |
| 143 | return get_value_string(bts_gprs_mode_names, mode); |
| 144 | } |
| 145 | |
Holger Hans Peter Freyther | 4e13a8f | 2015-01-31 22:16:00 +0100 | [diff] [blame] | 146 | int bts_gprs_mode_is_compat(struct gsm_bts *bts, enum bts_gprs_mode mode) |
| 147 | { |
| 148 | if (mode != BTS_GPRS_NONE && |
Max | 71d082b | 2017-05-30 15:03:38 +0200 | [diff] [blame] | 149 | !gsm_btsmodel_has_feature(bts->model, BTS_FEAT_GPRS)) { |
Holger Hans Peter Freyther | 4e13a8f | 2015-01-31 22:16:00 +0100 | [diff] [blame] | 150 | return 0; |
| 151 | } |
| 152 | if (mode == BTS_GPRS_EGPRS && |
Max | 71d082b | 2017-05-30 15:03:38 +0200 | [diff] [blame] | 153 | !gsm_btsmodel_has_feature(bts->model, BTS_FEAT_EGPRS)) { |
Holger Hans Peter Freyther | 4e13a8f | 2015-01-31 22:16:00 +0100 | [diff] [blame] | 154 | return 0; |
| 155 | } |
| 156 | |
| 157 | return 1; |
| 158 | } |
| 159 | |
Max | 71d082b | 2017-05-30 15:03:38 +0200 | [diff] [blame] | 160 | int gsm_btsmodel_set_feature(struct gsm_bts_model *model, enum gsm_bts_features feat) |
Harald Welte | f3d8e92 | 2010-06-14 22:44:42 +0200 | [diff] [blame] | 161 | { |
Max | aef6838 | 2017-05-31 12:15:54 +0200 | [diff] [blame] | 162 | OSMO_ASSERT(_NUM_BTS_FEAT < MAX_BTS_FEATURES); |
Max | 71d082b | 2017-05-30 15:03:38 +0200 | [diff] [blame] | 163 | return bitvec_set_bit_pos(&model->features, feat, 1); |
Harald Welte | f3d8e92 | 2010-06-14 22:44:42 +0200 | [diff] [blame] | 164 | } |
| 165 | |
Max | 71d082b | 2017-05-30 15:03:38 +0200 | [diff] [blame] | 166 | bool gsm_btsmodel_has_feature(struct gsm_bts_model *model, enum gsm_bts_features feat) |
Harald Welte | f3d8e92 | 2010-06-14 22:44:42 +0200 | [diff] [blame] | 167 | { |
Max | aef6838 | 2017-05-31 12:15:54 +0200 | [diff] [blame] | 168 | OSMO_ASSERT(_NUM_BTS_FEAT < MAX_BTS_FEATURES); |
Max | 71d082b | 2017-05-30 15:03:38 +0200 | [diff] [blame] | 169 | return bitvec_get_bit_pos(&model->features, feat); |
Harald Welte | f3d8e92 | 2010-06-14 22:44:42 +0200 | [diff] [blame] | 170 | } |
| 171 | |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 172 | int gsm_set_bts_type(struct gsm_bts *bts, enum gsm_bts_type type) |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 173 | { |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 174 | struct gsm_bts_model *model; |
| 175 | |
| 176 | model = bts_model_find(type); |
| 177 | if (!model) |
| 178 | return -EINVAL; |
| 179 | |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 180 | bts->type = type; |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 181 | bts->model = model; |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 182 | |
Pablo Neira Ayuso | 0d2881a | 2011-05-14 11:32:48 +0200 | [diff] [blame] | 183 | if (model->start && !model->started) { |
| 184 | int ret = model->start(bts->network); |
| 185 | if (ret < 0) |
| 186 | return ret; |
| 187 | |
| 188 | model->started = true; |
| 189 | } |
| 190 | |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 191 | switch (bts->type) { |
| 192 | case GSM_BTS_TYPE_NANOBTS: |
Max | f9685c1 | 2017-03-23 12:01:07 +0100 | [diff] [blame] | 193 | case GSM_BTS_TYPE_OSMOBTS: |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 194 | /* Set the default OML Stream ID to 0xff */ |
| 195 | bts->oml_tei = 0xff; |
| 196 | bts->c0->nominal_power = 23; |
| 197 | break; |
Harald Welte | a8e6a65 | 2011-02-13 22:13:28 +0100 | [diff] [blame] | 198 | case GSM_BTS_TYPE_RBS2000: |
| 199 | INIT_LLIST_HEAD(&bts->rbs2000.is.conn_groups); |
Harald Welte | a02085d | 2011-02-13 22:45:02 +0100 | [diff] [blame] | 200 | INIT_LLIST_HEAD(&bts->rbs2000.con.conn_groups); |
Harald Welte | a8e6a65 | 2011-02-13 22:13:28 +0100 | [diff] [blame] | 201 | break; |
Holger Hans Peter Freyther | f02bb20 | 2012-02-03 19:44:37 +0100 | [diff] [blame] | 202 | case GSM_BTS_TYPE_BS11: |
| 203 | case GSM_BTS_TYPE_UNKNOWN: |
| 204 | case GSM_BTS_TYPE_NOKIA_SITE: |
Sipos Csaba | 56e1766 | 2015-02-07 13:27:36 +0100 | [diff] [blame] | 205 | /* Set default BTS reset timer */ |
| 206 | bts->nokia.bts_reset_timer_cnf = 15; |
Holger Hans Peter Freyther | 86f240a | 2012-09-11 11:53:08 +0200 | [diff] [blame] | 207 | case _NUM_GSM_BTS_TYPE: |
Holger Hans Peter Freyther | f02bb20 | 2012-02-03 19:44:37 +0100 | [diff] [blame] | 208 | break; |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 209 | } |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 210 | |
| 211 | return 0; |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 212 | } |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 213 | |
| 214 | struct gsm_bts *gsm_bts_alloc_register(struct gsm_network *net, enum gsm_bts_type type, |
Harald Welte | a2bbc5e | 2015-11-20 10:43:31 +0100 | [diff] [blame] | 215 | uint8_t bsic) |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 216 | { |
| 217 | struct gsm_bts_model *model = bts_model_find(type); |
| 218 | struct gsm_bts *bts; |
| 219 | |
Harald Welte | 2830764 | 2011-06-06 17:52:56 +0200 | [diff] [blame] | 220 | if (!model && type != GSM_BTS_TYPE_UNKNOWN) |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 221 | return NULL; |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 222 | |
Alexander Chemeris | 0796a6c | 2017-07-11 01:42:41 +0630 | [diff] [blame] | 223 | bts = gsm_bts_alloc(net, net->num_bts); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 224 | if (!bts) |
| 225 | return NULL; |
| 226 | |
Alexander Chemeris | 0796a6c | 2017-07-11 01:42:41 +0630 | [diff] [blame] | 227 | net->num_bts++; |
| 228 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 229 | bts->type = type; |
| 230 | bts->model = model; |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 231 | bts->bsic = bsic; |
Max | c08ee71 | 2016-05-11 12:45:13 +0200 | [diff] [blame] | 232 | bts->dtxu = GSM48_DTX_SHALL_NOT_BE_USED; |
| 233 | bts->dtxd = false; |
Max | 292ec58 | 2016-07-28 11:55:37 +0200 | [diff] [blame] | 234 | bts->gprs.ctrl_ack_type_use_block = true; /* use RLC/MAC control block */ |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 235 | bts->neigh_list_manual_mode = 0; |
Pau Espin Pedrol | e8dda5f | 2017-11-23 19:06:09 +0100 | [diff] [blame] | 236 | bts->early_classmark_allowed_3g = true; /* 3g Early Classmark Sending controlled by bts->early_classmark_allowed param */ |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 237 | bts->si_common.cell_sel_par.cell_resel_hyst = 2; /* 4 dB */ |
| 238 | bts->si_common.cell_sel_par.rxlev_acc_min = 0; |
Max | 59a1bf3 | 2016-04-15 16:04:46 +0200 | [diff] [blame] | 239 | bts->si_common.si2quater_neigh_list.arfcn = bts->si_common.data.earfcn_list; |
| 240 | bts->si_common.si2quater_neigh_list.meas_bw = bts->si_common.data.meas_bw_list; |
| 241 | bts->si_common.si2quater_neigh_list.length = MAX_EARFCN_LIST; |
| 242 | bts->si_common.si2quater_neigh_list.thresh_hi = 0; |
| 243 | osmo_earfcn_init(&bts->si_common.si2quater_neigh_list); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 244 | bts->si_common.neigh_list.data = bts->si_common.data.neigh_list; |
| 245 | bts->si_common.neigh_list.data_len = |
| 246 | sizeof(bts->si_common.data.neigh_list); |
| 247 | bts->si_common.si5_neigh_list.data = bts->si_common.data.si5_neigh_list; |
| 248 | bts->si_common.si5_neigh_list.data_len = |
| 249 | sizeof(bts->si_common.data.si5_neigh_list); |
| 250 | bts->si_common.cell_alloc.data = bts->si_common.data.cell_alloc; |
| 251 | bts->si_common.cell_alloc.data_len = |
| 252 | sizeof(bts->si_common.data.cell_alloc); |
| 253 | bts->si_common.rach_control.re = 1; /* no re-establishment */ |
| 254 | bts->si_common.rach_control.tx_integer = 9; /* 12 slots spread - 217/115 slots delay */ |
| 255 | bts->si_common.rach_control.max_trans = 3; /* 7 retransmissions */ |
| 256 | bts->si_common.rach_control.t2 = 4; /* no emergency calls */ |
Andreas Eversberg | 2ee7ecd | 2012-10-13 07:27:47 +0200 | [diff] [blame] | 257 | bts->si_common.chan_desc.att = 1; /* attachment required */ |
| 258 | bts->si_common.chan_desc.bs_pa_mfrms = RSL_BS_PA_MFRMS_5; /* paging frames */ |
| 259 | bts->si_common.chan_desc.bs_ag_blks_res = 1; /* reserved AGCH blocks */ |
Neels Hofmeyr | ce4d88b | 2017-05-08 15:12:20 +0200 | [diff] [blame] | 260 | bts->si_common.chan_desc.t3212 = net->t3212; /* Use network's current value */ |
Harald Welte | 2f8b9d2 | 2017-06-18 11:12:13 +0300 | [diff] [blame] | 261 | gsm_bts_set_radio_link_timeout(bts, 32); /* Use RADIO LINK TIMEOUT of 32 */ |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 262 | |
| 263 | llist_add_tail(&bts->list, &net->bts_list); |
| 264 | |
| 265 | INIT_LLIST_HEAD(&bts->abis_queue); |
| 266 | |
Daniel Willmann | 47b5b3e | 2011-08-05 13:51:27 +0200 | [diff] [blame] | 267 | INIT_LLIST_HEAD(&bts->loc_list); |
| 268 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 269 | return bts; |
| 270 | } |
| 271 | |
| 272 | void gprs_ra_id_by_bts(struct gprs_ra_id *raid, struct gsm_bts *bts) |
| 273 | { |
| 274 | raid->mcc = bts->network->country_code; |
| 275 | raid->mnc = bts->network->network_code; |
| 276 | raid->lac = bts->location_area_code; |
| 277 | raid->rac = bts->gprs.rac; |
| 278 | } |
| 279 | |
| 280 | int gsm48_ra_id_by_bts(uint8_t *buf, struct gsm_bts *bts) |
| 281 | { |
| 282 | struct gprs_ra_id raid; |
| 283 | |
| 284 | gprs_ra_id_by_bts(&raid, bts); |
| 285 | |
| 286 | return gsm48_construct_ra(buf, &raid); |
| 287 | } |
Holger Hans Peter Freyther | 06c9da6 | 2011-06-09 21:48:49 +0200 | [diff] [blame] | 288 | |
| 289 | int gsm_parse_reg(void *ctx, regex_t *reg, char **str, int argc, const char **argv) |
| 290 | { |
| 291 | int ret; |
| 292 | |
| 293 | ret = 0; |
| 294 | if (*str) { |
| 295 | talloc_free(*str); |
| 296 | *str = NULL; |
| 297 | } |
| 298 | regfree(reg); |
| 299 | |
| 300 | if (argc > 0) { |
| 301 | *str = talloc_strdup(ctx, argv[0]); |
| 302 | ret = regcomp(reg, argv[0], 0); |
| 303 | |
| 304 | /* handle compilation failures */ |
| 305 | if (ret != 0) { |
| 306 | talloc_free(*str); |
| 307 | *str = NULL; |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | return ret; |
| 312 | } |
| 313 | |
Holger Hans Peter Freyther | c22930e | 2014-12-17 14:46:17 +0100 | [diff] [blame] | 314 | /* Assume there are only 256 possible bts */ |
| 315 | osmo_static_assert(sizeof(((struct gsm_bts *) 0)->nr) == 1, _bts_nr_is_256); |
| 316 | static void depends_calc_index_bit(int bts_nr, int *idx, int *bit) |
| 317 | { |
| 318 | *idx = bts_nr / (8 * 4); |
| 319 | *bit = bts_nr % (8 * 4); |
| 320 | } |
| 321 | |
| 322 | void bts_depend_mark(struct gsm_bts *bts, int dep) |
| 323 | { |
| 324 | int idx, bit; |
| 325 | depends_calc_index_bit(dep, &idx, &bit); |
| 326 | |
| 327 | bts->depends_on[idx] |= 1 << bit; |
| 328 | } |
| 329 | |
| 330 | void bts_depend_clear(struct gsm_bts *bts, int dep) |
| 331 | { |
| 332 | int idx, bit; |
| 333 | depends_calc_index_bit(dep, &idx, &bit); |
| 334 | |
| 335 | bts->depends_on[idx] &= ~(1 << bit); |
| 336 | } |
| 337 | |
Holger Hans Peter Freyther | f7e23c5 | 2014-12-17 15:44:32 +0100 | [diff] [blame] | 338 | int bts_depend_is_depedency(struct gsm_bts *base, struct gsm_bts *other) |
Holger Hans Peter Freyther | c22930e | 2014-12-17 14:46:17 +0100 | [diff] [blame] | 339 | { |
| 340 | int idx, bit; |
| 341 | depends_calc_index_bit(other->nr, &idx, &bit); |
| 342 | |
| 343 | /* Check if there is a depends bit */ |
| 344 | return (base->depends_on[idx] & (1 << bit)) > 0; |
| 345 | } |
| 346 | |
| 347 | static int bts_is_online(struct gsm_bts *bts) |
| 348 | { |
| 349 | /* TODO: support E1 BTS too */ |
| 350 | if (!is_ipaccess_bts(bts)) |
| 351 | return 1; |
| 352 | |
| 353 | if (!bts->oml_link) |
| 354 | return 0; |
| 355 | |
| 356 | return bts->mo.nm_state.operational == NM_OPSTATE_ENABLED; |
| 357 | } |
| 358 | |
| 359 | int bts_depend_check(struct gsm_bts *bts) |
| 360 | { |
| 361 | struct gsm_bts *other_bts; |
| 362 | |
| 363 | llist_for_each_entry(other_bts, &bts->network->bts_list, list) { |
| 364 | if (!bts_depend_is_depedency(bts, other_bts)) |
| 365 | continue; |
| 366 | if (bts_is_online(other_bts)) |
| 367 | continue; |
| 368 | return 0; |
| 369 | } |
| 370 | return 1; |
| 371 | } |
Harald Welte | 2f8b9d2 | 2017-06-18 11:12:13 +0300 | [diff] [blame] | 372 | |
| 373 | /* get the radio link timeout (based on SACCH decode errors, according |
| 374 | * to algorithm specified in TS 05.08 section 5.2. A value of -1 |
| 375 | * indicates we should use an infinitely long timeout, which only works |
| 376 | * with OsmoBTS as the BTS implementation */ |
| 377 | int gsm_bts_get_radio_link_timeout(const struct gsm_bts *bts) |
| 378 | { |
| 379 | const struct gsm48_cell_options *cell_options = &bts->si_common.cell_options; |
| 380 | |
| 381 | if (bts->infinite_radio_link_timeout) |
| 382 | return -1; |
| 383 | else { |
| 384 | /* Encoding as per Table 10.5.21 of TS 04.08 */ |
| 385 | return (cell_options->radio_link_timeout + 1) << 2; |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | /* set the radio link timeout (based on SACCH decode errors, according |
| 390 | * to algorithm specified in TS 05.08 Section 5.2. A value of -1 |
| 391 | * indicates we should use an infinitely long timeout, which only works |
| 392 | * with OsmoBTS as the BTS implementation */ |
| 393 | void gsm_bts_set_radio_link_timeout(struct gsm_bts *bts, int value) |
| 394 | { |
| 395 | struct gsm48_cell_options *cell_options = &bts->si_common.cell_options; |
| 396 | |
| 397 | if (value < 0) |
| 398 | bts->infinite_radio_link_timeout = true; |
| 399 | else { |
| 400 | bts->infinite_radio_link_timeout = false; |
| 401 | /* Encoding as per Table 10.5.21 of TS 04.08 */ |
| 402 | if (value < 4) |
| 403 | value = 4; |
| 404 | if (value > 64) |
| 405 | value = 64; |
| 406 | cell_options->radio_link_timeout = (value >> 2) - 1; |
| 407 | } |
| 408 | } |
Harald Welte | a43e0b4 | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 409 | |
| 410 | bool classmark_is_r99(struct gsm_classmark *cm) |
| 411 | { |
| 412 | int rev_lev = 0; |
| 413 | if (cm->classmark1_set) |
| 414 | rev_lev = cm->classmark1.rev_lev; |
| 415 | else if (cm->classmark2_len > 0) |
| 416 | rev_lev = (cm->classmark2[0] >> 5) & 0x3; |
| 417 | return rev_lev >= 2; |
| 418 | } |