Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 1 | /* A hackish minimal BSC (+MSC +HLR) implementation */ |
| 2 | |
Harald Welte | dcccb18 | 2010-05-16 20:52:23 +0200 | [diff] [blame] | 3 | /* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org> |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 4 | * (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org> |
| 5 | * All Rights Reserved |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 8 | * it under the terms of the GNU Affero General Public License as published by |
| 9 | * the Free Software Foundation; either version 3 of the License, or |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 15 | * GNU Affero General Public License for more details. |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 16 | * |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 17 | * You should have received a copy of the GNU Affero General Public License |
| 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 19 | * |
| 20 | */ |
| 21 | |
Neels Hofmeyr | c016479 | 2017-09-04 15:15:32 +0200 | [diff] [blame] | 22 | #include <osmocom/bsc/gsm_data.h> |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 23 | #include <osmocom/gsm/gsm_utils.h> |
Neels Hofmeyr | c016479 | 2017-09-04 15:15:32 +0200 | [diff] [blame] | 24 | #include <osmocom/bsc/abis_rsl.h> |
| 25 | #include <osmocom/bsc/abis_nm.h> |
| 26 | #include <osmocom/bsc/debug.h> |
| 27 | #include <osmocom/bsc/misdn.h> |
Harald Welte | 4b037e4 | 2010-05-19 19:45:32 +0200 | [diff] [blame] | 28 | #include <osmocom/vty/telnet_interface.h> |
Harald Welte | 55dc31e | 2014-08-24 17:54:49 +0200 | [diff] [blame] | 29 | #include <osmocom/vty/ports.h> |
Neels Hofmeyr | c016479 | 2017-09-04 15:15:32 +0200 | [diff] [blame] | 30 | #include <osmocom/bsc/system_information.h> |
| 31 | #include <osmocom/bsc/paging.h> |
| 32 | #include <osmocom/bsc/signal.h> |
| 33 | #include <osmocom/bsc/chan_alloc.h> |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 34 | #include <osmocom/core/talloc.h> |
Neels Hofmeyr | c016479 | 2017-09-04 15:15:32 +0200 | [diff] [blame] | 35 | #include <osmocom/bsc/ipaccess.h> |
Alexander Huemer | e1d2e1c | 2011-09-06 00:09:50 +0200 | [diff] [blame] | 36 | #include <osmocom/gsm/sysinfo.h> |
Neels Hofmeyr | c016479 | 2017-09-04 15:15:32 +0200 | [diff] [blame] | 37 | #include <osmocom/bsc/e1_config.h> |
| 38 | #include <osmocom/bsc/common_bsc.h> |
| 39 | #include <osmocom/bsc/pcu_if.h> |
Max | 25cc407 | 2017-10-10 14:50:35 +0200 | [diff] [blame] | 40 | |
| 41 | #include <time.h> |
Philipp Maier | b4999b6 | 2016-10-26 15:19:41 +0200 | [diff] [blame] | 42 | #include <limits.h> |
Max | 3d049d2 | 2017-10-09 17:12:53 +0200 | [diff] [blame] | 43 | #include <stdbool.h> |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 44 | |
| 45 | /* global pointer to the gsm network data structure */ |
| 46 | extern struct gsm_network *bsc_gsmnet; |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 47 | |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 48 | /* Callback function for NACK on the OML NM */ |
Holger Hans Peter Freyther | 6d2b66e | 2010-07-14 02:08:35 +0800 | [diff] [blame] | 49 | static int oml_msg_nack(struct nm_nack_signal_data *nack) |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 50 | { |
Max | 88d4fc7 | 2017-03-16 13:57:47 +0100 | [diff] [blame] | 51 | if (nack->mt == NM_MT_GET_ATTR_NACK) { |
| 52 | LOGP(DNM, LOGL_ERROR, "BTS%u does not support Get Attributes " |
| 53 | "OML message.\n", nack->bts->nr); |
| 54 | return 0; |
Holger Hans Peter Freyther | df82b72 | 2011-05-21 00:05:09 +0200 | [diff] [blame] | 55 | } |
| 56 | |
Max | 88d4fc7 | 2017-03-16 13:57:47 +0100 | [diff] [blame] | 57 | if (nack->mt == NM_MT_SET_BTS_ATTR_NACK) |
| 58 | LOGP(DNM, LOGL_ERROR, "Failed to set BTS attributes. That is fatal. " |
| 59 | "Was the bts type and frequency properly specified?\n"); |
| 60 | else |
| 61 | LOGP(DNM, LOGL_ERROR, "Got %s NACK going to drop the OML links.\n", |
| 62 | abis_nm_nack_name(nack->mt)); |
Holger Hans Peter Freyther | df82b72 | 2011-05-21 00:05:09 +0200 | [diff] [blame] | 63 | |
Holger Hans Peter Freyther | de1674a | 2012-11-11 18:26:23 +0100 | [diff] [blame] | 64 | if (!nack->bts) { |
| 65 | LOGP(DNM, LOGL_ERROR, "Unknown bts. Can not drop it.\n"); |
Harald Welte | d9173c3 | 2012-10-05 15:48:54 +0200 | [diff] [blame] | 66 | return 0; |
Holger Hans Peter Freyther | de1674a | 2012-11-11 18:26:23 +0100 | [diff] [blame] | 67 | } |
Harald Welte | d9173c3 | 2012-10-05 15:48:54 +0200 | [diff] [blame] | 68 | |
Holger Hans Peter Freyther | de1674a | 2012-11-11 18:26:23 +0100 | [diff] [blame] | 69 | if (is_ipaccess_bts(nack->bts)) |
| 70 | ipaccess_drop_oml(nack->bts); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 71 | |
| 72 | return 0; |
| 73 | } |
| 74 | |
| 75 | /* Callback function to be called every time we receive a signal from NM */ |
| 76 | static int nm_sig_cb(unsigned int subsys, unsigned int signal, |
| 77 | void *handler_data, void *signal_data) |
| 78 | { |
Holger Hans Peter Freyther | 6d2b66e | 2010-07-14 02:08:35 +0800 | [diff] [blame] | 79 | struct nm_nack_signal_data *nack; |
Harald Welte | d8cfc90 | 2009-11-17 06:09:56 +0100 | [diff] [blame] | 80 | |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 81 | switch (signal) { |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 82 | case S_NM_NACK: |
Holger Hans Peter Freyther | 6d2b66e | 2010-07-14 02:08:35 +0800 | [diff] [blame] | 83 | nack = signal_data; |
| 84 | return oml_msg_nack(nack); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 85 | default: |
| 86 | break; |
| 87 | } |
| 88 | return 0; |
| 89 | } |
| 90 | |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 91 | int bsc_shutdown_net(struct gsm_network *net) |
| 92 | { |
| 93 | struct gsm_bts *bts; |
| 94 | |
| 95 | llist_for_each_entry(bts, &net->bts_list, list) { |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 96 | LOGP(DNM, LOGL_NOTICE, "shutting down OML for BTS %u\n", bts->nr); |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 97 | osmo_signal_dispatch(SS_L_GLOBAL, S_GLOBAL_BTS_CLOSE_OM, bts); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | return 0; |
| 101 | } |
| 102 | |
Max | 25cc407 | 2017-10-10 14:50:35 +0200 | [diff] [blame] | 103 | unsigned long long bts_uptime(const struct gsm_bts *bts) |
| 104 | { |
| 105 | struct timespec tp; |
| 106 | |
| 107 | if (!bts->uptime || !bts->oml_link) { |
| 108 | LOGP(DNM, LOGL_ERROR, "BTS %u OML link uptime unavailable\n", bts->nr); |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | if (clock_gettime(CLOCK_MONOTONIC, &tp) != 0) { |
| 113 | LOGP(DNM, LOGL_ERROR, "BTS %u uptime computation failure: %s\n", bts->nr, strerror(errno)); |
| 114 | return 0; |
| 115 | } |
| 116 | |
| 117 | /* monotonic clock helps to ensure that the conversion is valid */ |
| 118 | return difftime(tp.tv_sec, bts->uptime); |
| 119 | } |
| 120 | |
Andreas Eversberg | c50543b | 2012-02-29 09:04:07 +0100 | [diff] [blame] | 121 | static int rsl_si(struct gsm_bts_trx *trx, enum osmo_sysinfo_type i, int si_len) |
Harald Welte | 7401ae6 | 2010-06-15 16:44:12 +0200 | [diff] [blame] | 122 | { |
| 123 | struct gsm_bts *bts = trx->bts; |
Max | 70fdd24 | 2017-06-15 15:10:53 +0200 | [diff] [blame] | 124 | int rc, j; |
Harald Welte | 7401ae6 | 2010-06-15 16:44:12 +0200 | [diff] [blame] | 125 | |
Harald Welte | 244e6c7 | 2017-07-15 23:23:58 +0200 | [diff] [blame] | 126 | if (si_len) { |
| 127 | DEBUGP(DRR, "SI%s: %s\n", get_value_string(osmo_sitype_strs, i), |
| 128 | osmo_hexdump(GSM_BTS_SI(bts, i), GSM_MACBLOCK_LEN)); |
| 129 | } else |
| 130 | DEBUGP(DRR, "SI%s: OFF\n", get_value_string(osmo_sitype_strs, i)); |
Harald Welte | 7401ae6 | 2010-06-15 16:44:12 +0200 | [diff] [blame] | 131 | |
| 132 | switch (i) { |
| 133 | case SYSINFO_TYPE_5: |
| 134 | case SYSINFO_TYPE_5bis: |
| 135 | case SYSINFO_TYPE_5ter: |
| 136 | case SYSINFO_TYPE_6: |
Holger Hans Peter Freyther | f0167dd | 2013-07-03 16:06:20 +0200 | [diff] [blame] | 137 | rc = rsl_sacch_filling(trx, osmo_sitype2rsl(i), |
Harald Welte | 244e6c7 | 2017-07-15 23:23:58 +0200 | [diff] [blame] | 138 | si_len ? GSM_BTS_SI(bts, i) : NULL, si_len); |
Harald Welte | 7401ae6 | 2010-06-15 16:44:12 +0200 | [diff] [blame] | 139 | break; |
Max | 70fdd24 | 2017-06-15 15:10:53 +0200 | [diff] [blame] | 140 | case SYSINFO_TYPE_2quater: |
Harald Welte | 244e6c7 | 2017-07-15 23:23:58 +0200 | [diff] [blame] | 141 | if (si_len == 0) { |
| 142 | rc = rsl_bcch_info(trx, i, NULL, 0); |
| 143 | break; |
| 144 | } |
Neels Hofmeyr | d663097 | 2017-11-21 14:38:18 +0100 | [diff] [blame] | 145 | rc = 0; |
Max | 70fdd24 | 2017-06-15 15:10:53 +0200 | [diff] [blame] | 146 | for (j = 0; j <= bts->si2q_count; j++) |
| 147 | rc = rsl_bcch_info(trx, i, (const uint8_t *)GSM_BTS_SI2Q(bts, j), GSM_MACBLOCK_LEN); |
| 148 | break; |
Harald Welte | 7401ae6 | 2010-06-15 16:44:12 +0200 | [diff] [blame] | 149 | default: |
Harald Welte | 244e6c7 | 2017-07-15 23:23:58 +0200 | [diff] [blame] | 150 | rc = rsl_bcch_info(trx, i, si_len ? GSM_BTS_SI(bts, i) : NULL, si_len); |
Harald Welte | 7401ae6 | 2010-06-15 16:44:12 +0200 | [diff] [blame] | 151 | break; |
| 152 | } |
| 153 | |
| 154 | return rc; |
| 155 | } |
| 156 | |
Alexander Chemeris | c36a13b | 2015-05-30 14:40:54 -0400 | [diff] [blame] | 157 | /* set all system information types for a TRX */ |
Holger Hans Peter Freyther | a49b2c0 | 2014-11-21 11:18:45 +0100 | [diff] [blame] | 158 | int gsm_bts_trx_set_system_infos(struct gsm_bts_trx *trx) |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 159 | { |
Harald Welte | a43f789 | 2009-12-01 18:04:30 +0530 | [diff] [blame] | 160 | int i, rc; |
Harald Welte | 73d4fce | 2009-12-21 23:12:19 +0100 | [diff] [blame] | 161 | struct gsm_bts *bts = trx->bts; |
Andreas Eversberg | c50543b | 2012-02-29 09:04:07 +0100 | [diff] [blame] | 162 | uint8_t gen_si[_MAX_SYSINFO_TYPE], n_si = 0, n; |
| 163 | int si_len[_MAX_SYSINFO_TYPE]; |
Harald Welte | 73d4fce | 2009-12-21 23:12:19 +0100 | [diff] [blame] | 164 | |
| 165 | bts->si_common.cell_sel_par.ms_txpwr_max_ccch = |
| 166 | ms_pwr_ctl_lvl(bts->band, bts->ms_max_power); |
| 167 | bts->si_common.cell_sel_par.neci = bts->network->neci; |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 168 | |
Harald Welte | 243d768 | 2017-07-15 22:52:01 +0200 | [diff] [blame] | 169 | /* Zero/forget the state of the dynamically computed SIs, leeping the static ones */ |
| 170 | bts->si_valid = bts->si_mode_static; |
Max | 8b1a2f8 | 2017-06-15 14:59:20 +0200 | [diff] [blame] | 171 | |
Harald Welte | 9fbff4a | 2010-07-30 11:50:09 +0200 | [diff] [blame] | 172 | /* First, we determine which of the SI messages we actually need */ |
| 173 | |
Harald Welte | 7401ae6 | 2010-06-15 16:44:12 +0200 | [diff] [blame] | 174 | if (trx == bts->c0) { |
Harald Welte | 9fbff4a | 2010-07-30 11:50:09 +0200 | [diff] [blame] | 175 | /* 1...4 are always present on a C0 TRX */ |
Andreas Eversberg | c50543b | 2012-02-29 09:04:07 +0100 | [diff] [blame] | 176 | gen_si[n_si++] = SYSINFO_TYPE_1; |
| 177 | gen_si[n_si++] = SYSINFO_TYPE_2; |
| 178 | gen_si[n_si++] = SYSINFO_TYPE_2bis; |
| 179 | gen_si[n_si++] = SYSINFO_TYPE_2ter; |
Max | f3f3505 | 2016-04-15 16:04:44 +0200 | [diff] [blame] | 180 | gen_si[n_si++] = SYSINFO_TYPE_2quater; |
Andreas Eversberg | c50543b | 2012-02-29 09:04:07 +0100 | [diff] [blame] | 181 | gen_si[n_si++] = SYSINFO_TYPE_3; |
| 182 | gen_si[n_si++] = SYSINFO_TYPE_4; |
Harald Welte | 9fbff4a | 2010-07-30 11:50:09 +0200 | [diff] [blame] | 183 | |
| 184 | /* 13 is always present on a C0 TRX of a GPRS BTS */ |
| 185 | if (bts->gprs.mode != BTS_GPRS_NONE) |
Andreas Eversberg | c50543b | 2012-02-29 09:04:07 +0100 | [diff] [blame] | 186 | gen_si[n_si++] = SYSINFO_TYPE_13; |
Harald Welte | 6a22c01 | 2009-12-21 17:02:32 +0100 | [diff] [blame] | 187 | } |
| 188 | |
Harald Welte | 9fbff4a | 2010-07-30 11:50:09 +0200 | [diff] [blame] | 189 | /* 5 and 6 are always present on every TRX */ |
Andreas Eversberg | c50543b | 2012-02-29 09:04:07 +0100 | [diff] [blame] | 190 | gen_si[n_si++] = SYSINFO_TYPE_5; |
| 191 | gen_si[n_si++] = SYSINFO_TYPE_5bis; |
| 192 | gen_si[n_si++] = SYSINFO_TYPE_5ter; |
| 193 | gen_si[n_si++] = SYSINFO_TYPE_6; |
Harald Welte | a43f789 | 2009-12-01 18:04:30 +0530 | [diff] [blame] | 194 | |
Andreas Eversberg | c50543b | 2012-02-29 09:04:07 +0100 | [diff] [blame] | 195 | /* Second, we generate the selected SI via RSL */ |
| 196 | |
| 197 | for (n = 0; n < n_si; n++) { |
| 198 | i = gen_si[n]; |
Andreas Eversberg | c50543b | 2012-02-29 09:04:07 +0100 | [diff] [blame] | 199 | /* Only generate SI if this SI is not in "static" (user-defined) mode */ |
| 200 | if (!(bts->si_mode_static & (1 << i))) { |
Andreas Eversberg | f2621e5 | 2013-01-08 19:33:42 +0100 | [diff] [blame] | 201 | /* Set SI as being valid. gsm_generate_si() might unset |
| 202 | * it, if SI is not required. */ |
| 203 | bts->si_valid |= (1 << i); |
Andreas Eversberg | c50543b | 2012-02-29 09:04:07 +0100 | [diff] [blame] | 204 | rc = gsm_generate_si(bts, i); |
| 205 | if (rc < 0) |
| 206 | goto err_out; |
| 207 | si_len[i] = rc; |
| 208 | } else { |
| 209 | if (i == SYSINFO_TYPE_5 || i == SYSINFO_TYPE_5bis |
| 210 | || i == SYSINFO_TYPE_5ter) |
| 211 | si_len[i] = 18; |
| 212 | else if (i == SYSINFO_TYPE_6) |
| 213 | si_len[i] = 11; |
| 214 | else |
| 215 | si_len[i] = 23; |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | /* Third, we send the selected SI via RSL */ |
| 220 | |
Andreas Eversberg | f2621e5 | 2013-01-08 19:33:42 +0100 | [diff] [blame] | 221 | for (n = 0; n < n_si; n++) { |
| 222 | i = gen_si[n]; |
Harald Welte | 244e6c7 | 2017-07-15 23:23:58 +0200 | [diff] [blame] | 223 | /* if we don't currently have this SI, we send a zero-length |
| 224 | * RSL BCCH FILLING / SACCH FILLING * in order to deactivate |
| 225 | * the SI, in case it might have previously been active */ |
Max | 9b97b00 | 2017-06-02 10:58:26 +0200 | [diff] [blame] | 226 | if (!GSM_BTS_HAS_SI(bts, i)) |
Harald Welte | 244e6c7 | 2017-07-15 23:23:58 +0200 | [diff] [blame] | 227 | rc = rsl_si(trx, i, 0); |
| 228 | else |
| 229 | rc = rsl_si(trx, i, si_len[i]); |
Harald Welte | 9fbff4a | 2010-07-30 11:50:09 +0200 | [diff] [blame] | 230 | if (rc < 0) |
Andreas Eversberg | c50543b | 2012-02-29 09:04:07 +0100 | [diff] [blame] | 231 | return rc; |
Harald Welte | 9fbff4a | 2010-07-30 11:50:09 +0200 | [diff] [blame] | 232 | } |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 233 | |
Philipp Maier | b4999b6 | 2016-10-26 15:19:41 +0200 | [diff] [blame] | 234 | /* Make sure the PCU is aware (in case anything GPRS related has |
| 235 | * changed in SI */ |
| 236 | pcu_info_update(bts); |
| 237 | |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 238 | return 0; |
Harald Welte | a43f789 | 2009-12-01 18:04:30 +0530 | [diff] [blame] | 239 | err_out: |
Max | 34be86b | 2016-12-16 18:45:51 +0100 | [diff] [blame] | 240 | LOGP(DRR, LOGL_ERROR, "Cannot generate SI%s for BTS %u: error <%s>, " |
Max | 59a1bf3 | 2016-04-15 16:04:46 +0200 | [diff] [blame] | 241 | "most likely a problem with neighbor cell list generation\n", |
| 242 | get_value_string(osmo_sitype_strs, i), bts->nr, strerror(-rc)); |
Harald Welte | a43f789 | 2009-12-01 18:04:30 +0530 | [diff] [blame] | 243 | return rc; |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 244 | } |
| 245 | |
Alexander Chemeris | c36a13b | 2015-05-30 14:40:54 -0400 | [diff] [blame] | 246 | /* set all system information types for a BTS */ |
| 247 | int gsm_bts_set_system_infos(struct gsm_bts *bts) |
| 248 | { |
| 249 | struct gsm_bts_trx *trx; |
| 250 | |
| 251 | /* Generate a new ID */ |
| 252 | bts->bcch_change_mark += 1; |
| 253 | bts->bcch_change_mark %= 0x7; |
| 254 | |
| 255 | llist_for_each_entry(trx, &bts->trx_list, list) { |
| 256 | int rc; |
| 257 | |
| 258 | rc = gsm_bts_trx_set_system_infos(trx); |
| 259 | if (rc != 0) |
| 260 | return rc; |
| 261 | } |
| 262 | |
| 263 | return 0; |
| 264 | } |
| 265 | |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 266 | /* Produce a MA as specified in 10.5.2.21 */ |
| 267 | static int generate_ma_for_ts(struct gsm_bts_trx_ts *ts) |
| 268 | { |
| 269 | /* we have three bitvecs: the per-timeslot ARFCNs, the cell chan ARFCNs |
| 270 | * and the MA */ |
| 271 | struct bitvec *cell_chan = &ts->trx->bts->si_common.cell_alloc; |
| 272 | struct bitvec *ts_arfcn = &ts->hopping.arfcns; |
| 273 | struct bitvec *ma = &ts->hopping.ma; |
Harald Welte | 29aca17 | 2010-06-15 16:45:51 +0200 | [diff] [blame] | 274 | unsigned int num_cell_arfcns, bitnum, n_chan; |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 275 | int i; |
| 276 | |
| 277 | /* re-set the MA to all-zero */ |
| 278 | ma->cur_bit = 0; |
Harald Welte | 29aca17 | 2010-06-15 16:45:51 +0200 | [diff] [blame] | 279 | ts->hopping.ma_len = 0; |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 280 | memset(ma->data, 0, ma->data_len); |
| 281 | |
| 282 | if (!ts->hopping.enabled) |
| 283 | return 0; |
| 284 | |
Harald Welte | 29aca17 | 2010-06-15 16:45:51 +0200 | [diff] [blame] | 285 | /* count the number of ARFCNs in the cell channel allocation */ |
| 286 | num_cell_arfcns = 0; |
Harald Welte | 1fe73a1 | 2012-01-29 13:24:12 +0100 | [diff] [blame] | 287 | for (i = 0; i < 1024; i++) { |
Harald Welte | 29aca17 | 2010-06-15 16:45:51 +0200 | [diff] [blame] | 288 | if (bitvec_get_bit_pos(cell_chan, i)) |
| 289 | num_cell_arfcns++; |
| 290 | } |
| 291 | |
| 292 | /* pad it to octet-aligned number of bits */ |
| 293 | ts->hopping.ma_len = num_cell_arfcns / 8; |
| 294 | if (num_cell_arfcns % 8) |
| 295 | ts->hopping.ma_len++; |
| 296 | |
| 297 | n_chan = 0; |
Harald Welte | 1fe73a1 | 2012-01-29 13:24:12 +0100 | [diff] [blame] | 298 | for (i = 0; i < 1024; i++) { |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 299 | if (!bitvec_get_bit_pos(cell_chan, i)) |
| 300 | continue; |
Harald Welte | 29aca17 | 2010-06-15 16:45:51 +0200 | [diff] [blame] | 301 | /* set the corresponding bit in the MA */ |
| 302 | bitnum = (ts->hopping.ma_len * 8) - 1 - n_chan; |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 303 | if (bitvec_get_bit_pos(ts_arfcn, i)) |
Harald Welte | 29aca17 | 2010-06-15 16:45:51 +0200 | [diff] [blame] | 304 | bitvec_set_bit_pos(ma, bitnum, 1); |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 305 | else |
Harald Welte | 29aca17 | 2010-06-15 16:45:51 +0200 | [diff] [blame] | 306 | bitvec_set_bit_pos(ma, bitnum, 0); |
laforge | abeb951 | 2010-06-20 15:56:50 +0200 | [diff] [blame] | 307 | n_chan++; |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 308 | } |
| 309 | |
| 310 | /* ARFCN 0 is special: It is coded last in the bitmask */ |
| 311 | if (bitvec_get_bit_pos(cell_chan, 0)) { |
Harald Welte | 29aca17 | 2010-06-15 16:45:51 +0200 | [diff] [blame] | 312 | n_chan++; |
| 313 | /* set the corresponding bit in the MA */ |
| 314 | bitnum = (ts->hopping.ma_len * 8) - 1 - n_chan; |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 315 | if (bitvec_get_bit_pos(ts_arfcn, 0)) |
Harald Welte | 29aca17 | 2010-06-15 16:45:51 +0200 | [diff] [blame] | 316 | bitvec_set_bit_pos(ma, bitnum, 1); |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 317 | else |
Harald Welte | 29aca17 | 2010-06-15 16:45:51 +0200 | [diff] [blame] | 318 | bitvec_set_bit_pos(ma, bitnum, 0); |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 319 | } |
| 320 | |
| 321 | return 0; |
| 322 | } |
| 323 | |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 324 | static void bootstrap_rsl(struct gsm_bts_trx *trx) |
| 325 | { |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 326 | unsigned int i; |
| 327 | |
Harald Welte | b1d4c8e | 2009-12-17 23:10:46 +0100 | [diff] [blame] | 328 | LOGP(DRSL, LOGL_NOTICE, "bootstrapping RSL for BTS/TRX (%u/%u) " |
Neels Hofmeyr | f93970b | 2018-03-05 02:09:40 +0100 | [diff] [blame] | 329 | "on ARFCN %u using MCC-MNC %s LAC=%u CID=%u BSIC=%u\n", |
| 330 | trx->bts->nr, trx->nr, trx->arfcn, |
| 331 | osmo_plmn_name(&bsc_gsmnet->plmn), |
| 332 | trx->bts->location_area_code, |
Harald Welte | a2bbc5e | 2015-11-20 10:43:31 +0100 | [diff] [blame] | 333 | trx->bts->cell_identity, trx->bts->bsic); |
Dieter Spaar | 1664602 | 2011-07-28 00:01:50 +0200 | [diff] [blame] | 334 | |
Stefan Sperling | 6442e43 | 2018-02-06 14:44:54 +0100 | [diff] [blame] | 335 | /* |
| 336 | * Re-initialize ACC ramping to ensure ACCs are barred/allowed |
| 337 | * according to our current VTY configuration. |
| 338 | */ |
| 339 | acc_ramp_init(&trx->bts->acc_ramp, acc_ramp_is_enabled(&trx->bts->acc_ramp), trx->bts); |
| 340 | |
Dieter Spaar | 1664602 | 2011-07-28 00:01:50 +0200 | [diff] [blame] | 341 | if (trx->bts->type == GSM_BTS_TYPE_NOKIA_SITE) { |
| 342 | rsl_nokia_si_begin(trx); |
| 343 | } |
| 344 | |
Holger Hans Peter Freyther | a49b2c0 | 2014-11-21 11:18:45 +0100 | [diff] [blame] | 345 | gsm_bts_trx_set_system_infos(trx); |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 346 | |
Dieter Spaar | 1664602 | 2011-07-28 00:01:50 +0200 | [diff] [blame] | 347 | if (trx->bts->type == GSM_BTS_TYPE_NOKIA_SITE) { |
| 348 | /* channel unspecific, power reduction in 2 dB steps */ |
| 349 | rsl_bs_power_control(trx, 0xFF, trx->max_power_red / 2); |
| 350 | rsl_nokia_si_end(trx); |
| 351 | } |
| 352 | |
Harald Welte | fd37089 | 2010-06-15 08:52:12 +0200 | [diff] [blame] | 353 | for (i = 0; i < ARRAY_SIZE(trx->ts); i++) |
| 354 | generate_ma_for_ts(&trx->ts[i]); |
Stefan Sperling | 6442e43 | 2018-02-06 14:44:54 +0100 | [diff] [blame] | 355 | |
| 356 | if (acc_ramp_is_enabled(&trx->bts->acc_ramp)) |
| 357 | acc_ramp_start(&trx->bts->acc_ramp); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 358 | } |
| 359 | |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 360 | /* Callback function to be called every time we receive a signal from INPUT */ |
| 361 | static int inp_sig_cb(unsigned int subsys, unsigned int signal, |
| 362 | void *handler_data, void *signal_data) |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 363 | { |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 364 | struct input_signal_data *isd = signal_data; |
| 365 | struct gsm_bts_trx *trx = isd->trx; |
Holger Hans Peter Freyther | 135f797 | 2010-04-15 11:21:02 +0200 | [diff] [blame] | 366 | int ts_no, lchan_no; |
Max | 33e1357 | 2017-05-29 11:48:29 +0200 | [diff] [blame] | 367 | /* N. B: we rely on attribute order when parsing response in abis_nm_rx_get_attr_resp() */ |
| 368 | const uint8_t bts_attr[] = { NM_ATT_MANUF_ID, NM_ATT_SW_CONFIG, }; |
| 369 | const uint8_t trx_attr[] = { NM_ATT_MANUF_STATE, NM_ATT_SW_CONFIG, }; |
Max | defb6c9 | 2017-05-15 10:29:54 +0200 | [diff] [blame] | 370 | |
| 371 | /* we should not request more attributes than we're ready to handle */ |
Max | 33e1357 | 2017-05-29 11:48:29 +0200 | [diff] [blame] | 372 | OSMO_ASSERT(sizeof(bts_attr) < MAX_BTS_ATTR); |
| 373 | OSMO_ASSERT(sizeof(trx_attr) < MAX_BTS_ATTR); |
Holger Hans Peter Freyther | 135f797 | 2010-04-15 11:21:02 +0200 | [diff] [blame] | 374 | |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 375 | if (subsys != SS_L_INPUT) |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 376 | return -EINVAL; |
Holger Hans Peter Freyther | 135f797 | 2010-04-15 11:21:02 +0200 | [diff] [blame] | 377 | |
Harald Welte | 5f72f6f | 2017-05-25 19:16:40 +0200 | [diff] [blame] | 378 | LOGP(DLMI, LOGL_DEBUG, "%s(): Input signal '%s' received\n", __func__, |
| 379 | get_value_string(e1inp_signal_names, signal)); |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 380 | switch (signal) { |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 381 | case S_L_INP_TEI_UP: |
Dieter Spaar | 1664602 | 2011-07-28 00:01:50 +0200 | [diff] [blame] | 382 | if (isd->link_type == E1INP_SIGN_OML) { |
| 383 | /* TODO: this is required for the Nokia BTS, hopping is configured |
| 384 | during OML, other MA is not set. */ |
| 385 | struct gsm_bts_trx *cur_trx; |
| 386 | /* was static in system_information.c */ |
| 387 | extern int generate_cell_chan_list(uint8_t *chan_list, struct gsm_bts *bts); |
| 388 | uint8_t ca[20]; |
| 389 | /* has to be called before generate_ma_for_ts to |
| 390 | set bts->si_common.cell_alloc */ |
| 391 | generate_cell_chan_list(ca, trx->bts); |
| 392 | |
Max | 33e1357 | 2017-05-29 11:48:29 +0200 | [diff] [blame] | 393 | /* Request generic BTS-level attributes */ |
Max | e3dbd5d | 2017-06-09 17:15:45 +0200 | [diff] [blame] | 394 | abis_nm_get_attr(trx->bts, NM_OC_BTS, 0xFF, 0xFF, 0xFF, bts_attr, sizeof(bts_attr)); |
Max | 33e1357 | 2017-05-29 11:48:29 +0200 | [diff] [blame] | 395 | |
Dieter Spaar | 1664602 | 2011-07-28 00:01:50 +0200 | [diff] [blame] | 396 | llist_for_each_entry(cur_trx, &trx->bts->trx_list, list) { |
| 397 | int i; |
Max | 33e1357 | 2017-05-29 11:48:29 +0200 | [diff] [blame] | 398 | /* Request TRX-level attributes */ |
Max | e3dbd5d | 2017-06-09 17:15:45 +0200 | [diff] [blame] | 399 | abis_nm_get_attr(cur_trx->bts, NM_OC_BASEB_TRANSC, 0, cur_trx->nr, 0xFF, |
Max | 33e1357 | 2017-05-29 11:48:29 +0200 | [diff] [blame] | 400 | trx_attr, sizeof(trx_attr)); |
Neels Hofmeyr | b8afb5f | 2016-06-02 01:18:02 +0200 | [diff] [blame] | 401 | for (i = 0; i < ARRAY_SIZE(cur_trx->ts); i++) |
Dieter Spaar | 1664602 | 2011-07-28 00:01:50 +0200 | [diff] [blame] | 402 | generate_ma_for_ts(&cur_trx->ts[i]); |
| 403 | } |
| 404 | } |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 405 | if (isd->link_type == E1INP_SIGN_RSL) |
| 406 | bootstrap_rsl(trx); |
| 407 | break; |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 408 | case S_L_INP_TEI_DN: |
| 409 | LOGP(DLMI, LOGL_ERROR, "Lost some E1 TEI link: %d %p\n", isd->link_type, trx); |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 410 | |
| 411 | if (isd->link_type == E1INP_SIGN_OML) |
Harald Welte | d82101e | 2017-12-09 23:07:38 +0100 | [diff] [blame] | 412 | rate_ctr_inc(&trx->bts->bts_ctrs->ctr[BTS_CTR_BTS_OML_FAIL]); |
Stefan Sperling | 6442e43 | 2018-02-06 14:44:54 +0100 | [diff] [blame] | 413 | else if (isd->link_type == E1INP_SIGN_RSL) { |
Harald Welte | d82101e | 2017-12-09 23:07:38 +0100 | [diff] [blame] | 414 | rate_ctr_inc(&trx->bts->bts_ctrs->ctr[BTS_CTR_BTS_RSL_FAIL]); |
Stefan Sperling | 6442e43 | 2018-02-06 14:44:54 +0100 | [diff] [blame] | 415 | acc_ramp_abort(&trx->bts->acc_ramp); |
| 416 | } |
Holger Hans Peter Freyther | bb110f9 | 2010-04-12 10:45:52 +0200 | [diff] [blame] | 417 | |
Holger Hans Peter Freyther | 135f797 | 2010-04-15 11:21:02 +0200 | [diff] [blame] | 418 | /* |
| 419 | * free all allocated channels. change the nm_state so the |
| 420 | * trx and trx_ts becomes unusable and chan_alloc.c can not |
| 421 | * allocate from it. |
| 422 | */ |
| 423 | for (ts_no = 0; ts_no < ARRAY_SIZE(trx->ts); ++ts_no) { |
| 424 | struct gsm_bts_trx_ts *ts = &trx->ts[ts_no]; |
| 425 | |
| 426 | for (lchan_no = 0; lchan_no < ARRAY_SIZE(ts->lchan); ++lchan_no) { |
Holger Hans Peter Freyther | 4dc025b | 2010-08-25 12:29:24 +0800 | [diff] [blame] | 427 | if (ts->lchan[lchan_no].state != LCHAN_S_NONE) |
Holger Hans Peter Freyther | 135f797 | 2010-04-15 11:21:02 +0200 | [diff] [blame] | 428 | lchan_free(&ts->lchan[lchan_no]); |
| 429 | lchan_reset(&ts->lchan[lchan_no]); |
| 430 | } |
Holger Hans Peter Freyther | 135f797 | 2010-04-15 11:21:02 +0200 | [diff] [blame] | 431 | } |
| 432 | |
Harald Welte | b784998 | 2011-06-29 16:49:03 +0200 | [diff] [blame] | 433 | gsm_bts_mo_reset(trx->bts); |
Holger Hans Peter Freyther | 6f61555 | 2010-11-15 20:50:42 +0100 | [diff] [blame] | 434 | |
| 435 | abis_nm_clear_queue(trx->bts); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 436 | break; |
| 437 | default: |
| 438 | break; |
| 439 | } |
Harald Welte | f338a03 | 2011-01-14 15:55:42 +0100 | [diff] [blame] | 440 | |
| 441 | return 0; |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 442 | } |
| 443 | |
| 444 | static int bootstrap_bts(struct gsm_bts *bts) |
| 445 | { |
Sylvain Munaut | 50f81b0 | 2010-04-28 21:31:29 +0200 | [diff] [blame] | 446 | int i, n; |
| 447 | |
Max | 687f048 | 2016-04-08 11:52:34 +0200 | [diff] [blame] | 448 | if (!bts->model) |
| 449 | return -EFAULT; |
| 450 | |
Pablo Neira Ayuso | 0d2881a | 2011-05-14 11:32:48 +0200 | [diff] [blame] | 451 | if (bts->model->start && !bts->model->started) { |
| 452 | int ret = bts->model->start(bts->network); |
| 453 | if (ret < 0) |
| 454 | return ret; |
| 455 | |
| 456 | bts->model->started = true; |
| 457 | } |
| 458 | |
Harald Welte | 71b822b | 2010-05-26 17:14:42 +0200 | [diff] [blame] | 459 | /* FIXME: What about secondary TRX of a BTS? What about a BTS that has TRX |
| 460 | * in different bands? Why is 'band' a parameter of the BTS and not of the TRX? */ |
Mike Haben | e2d8227 | 2009-10-02 12:19:34 +0100 | [diff] [blame] | 461 | switch (bts->band) { |
| 462 | case GSM_BAND_1800: |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 463 | if (bts->c0->arfcn < 512 || bts->c0->arfcn > 885) { |
Harald Welte | b1d4c8e | 2009-12-17 23:10:46 +0100 | [diff] [blame] | 464 | LOGP(DNM, LOGL_ERROR, "GSM1800 channel must be between 512-885.\n"); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 465 | return -EINVAL; |
| 466 | } |
| 467 | break; |
Mike Haben | e2d8227 | 2009-10-02 12:19:34 +0100 | [diff] [blame] | 468 | case GSM_BAND_1900: |
| 469 | if (bts->c0->arfcn < 512 || bts->c0->arfcn > 810) { |
Harald Welte | b1d4c8e | 2009-12-17 23:10:46 +0100 | [diff] [blame] | 470 | LOGP(DNM, LOGL_ERROR, "GSM1900 channel must be between 512-810.\n"); |
Mike Haben | e2d8227 | 2009-10-02 12:19:34 +0100 | [diff] [blame] | 471 | return -EINVAL; |
| 472 | } |
| 473 | break; |
| 474 | case GSM_BAND_900: |
Holger Hans Peter Freyther | 57ee780 | 2015-06-20 18:45:35 +0200 | [diff] [blame] | 475 | if ((bts->c0->arfcn > 124 && bts->c0->arfcn < 955) || |
Holger Hans Peter Freyther | fb0b6fc | 2010-02-09 15:44:14 +0100 | [diff] [blame] | 476 | bts->c0->arfcn > 1023) { |
Michael McTernan | c58a1e5 | 2015-06-19 20:51:43 +0200 | [diff] [blame] | 477 | LOGP(DNM, LOGL_ERROR, "GSM900 channel must be between 0-124, 955-1023.\n"); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 478 | return -EINVAL; |
| 479 | } |
| 480 | break; |
Harald Welte | 71b822b | 2010-05-26 17:14:42 +0200 | [diff] [blame] | 481 | case GSM_BAND_850: |
| 482 | if (bts->c0->arfcn < 128 || bts->c0->arfcn > 251) { |
| 483 | LOGP(DNM, LOGL_ERROR, "GSM850 channel must be between 128-251.\n"); |
| 484 | return -EINVAL; |
| 485 | } |
| 486 | break; |
Mike Haben | e2d8227 | 2009-10-02 12:19:34 +0100 | [diff] [blame] | 487 | default: |
Harald Welte | b1d4c8e | 2009-12-17 23:10:46 +0100 | [diff] [blame] | 488 | LOGP(DNM, LOGL_ERROR, "Unsupported frequency band.\n"); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 489 | return -EINVAL; |
| 490 | } |
| 491 | |
Andreas Eversberg | 2ee7ecd | 2012-10-13 07:27:47 +0200 | [diff] [blame] | 492 | /* Control Channel Description is set from vty/config */ |
Harald Welte | aace9fc | 2011-01-13 23:20:45 +0100 | [diff] [blame] | 493 | |
Holger Hans Peter Freyther | a581136 | 2010-04-30 13:32:05 +0800 | [diff] [blame] | 494 | /* T3212 is set from vty/config */ |
Sylvain Munaut | 50f81b0 | 2010-04-28 21:31:29 +0200 | [diff] [blame] | 495 | |
Holger Hans Peter Freyther | a581136 | 2010-04-30 13:32:05 +0800 | [diff] [blame] | 496 | /* Set ccch config by looking at ts config */ |
Sylvain Munaut | 50f81b0 | 2010-04-28 21:31:29 +0200 | [diff] [blame] | 497 | for (n=0, i=0; i<8; i++) |
| 498 | n += bts->c0->ts[i].pchan == GSM_PCHAN_CCCH ? 1 : 0; |
| 499 | |
Neels Hofmeyr | 36f7b66 | 2017-02-22 02:27:59 +0100 | [diff] [blame] | 500 | /* Indicate R99 MSC in SI3 */ |
| 501 | bts->si_common.chan_desc.mscr = 1; |
| 502 | |
Sylvain Munaut | 50f81b0 | 2010-04-28 21:31:29 +0200 | [diff] [blame] | 503 | switch (n) { |
| 504 | case 0: |
| 505 | bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_1_C; |
Max | b659107 | 2016-10-12 12:48:50 +0200 | [diff] [blame] | 506 | /* Limit reserved block to 2 on combined channel according to |
| 507 | 3GPP TS 44.018 Table 10.5.2.11.1 */ |
| 508 | if (bts->si_common.chan_desc.bs_ag_blks_res > 2) { |
| 509 | LOGP(DNM, LOGL_NOTICE, "CCCH is combined with SDCCHs, " |
| 510 | "reducing BS-AG-BLKS-RES value %d -> 2\n", |
| 511 | bts->si_common.chan_desc.bs_ag_blks_res); |
Andreas Eversberg | 2ee7ecd | 2012-10-13 07:27:47 +0200 | [diff] [blame] | 512 | bts->si_common.chan_desc.bs_ag_blks_res = 2; |
Max | b659107 | 2016-10-12 12:48:50 +0200 | [diff] [blame] | 513 | } |
Sylvain Munaut | 50f81b0 | 2010-04-28 21:31:29 +0200 | [diff] [blame] | 514 | break; |
| 515 | case 1: |
| 516 | bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_1_NC; |
| 517 | break; |
| 518 | case 2: |
| 519 | bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_2_NC; |
| 520 | break; |
| 521 | case 3: |
| 522 | bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_3_NC; |
| 523 | break; |
| 524 | case 4: |
| 525 | bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_4_NC; |
| 526 | break; |
| 527 | default: |
| 528 | LOGP(DNM, LOGL_ERROR, "Unsupported CCCH timeslot configuration\n"); |
| 529 | return -EINVAL; |
| 530 | } |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 531 | |
Harald Welte | a43f789 | 2009-12-01 18:04:30 +0530 | [diff] [blame] | 532 | bts->si_common.cell_options.pwrc = 0; /* PWRC not set */ |
| 533 | |
Harald Welte | a43f789 | 2009-12-01 18:04:30 +0530 | [diff] [blame] | 534 | bts->si_common.cell_sel_par.acs = 0; |
Harald Welte | a43f789 | 2009-12-01 18:04:30 +0530 | [diff] [blame] | 535 | |
| 536 | bts->si_common.ncc_permitted = 0xff; |
| 537 | |
Stefan Sperling | 6cee893 | 2018-01-30 18:14:22 +0100 | [diff] [blame] | 538 | bts->chan_load_samples_idx = 0; |
| 539 | |
Stefan Sperling | 6442e43 | 2018-02-06 14:44:54 +0100 | [diff] [blame] | 540 | acc_ramp_init(&bts->acc_ramp, false, bts); |
| 541 | |
Holger Hans Peter Freyther | fe1ca35 | 2011-07-18 11:26:07 +0200 | [diff] [blame] | 542 | /* Initialize the BTS state */ |
| 543 | gsm_bts_mo_reset(bts); |
| 544 | |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 545 | return 0; |
| 546 | } |
| 547 | |
Harald Welte | d9956d9 | 2017-12-17 21:48:47 +0100 | [diff] [blame] | 548 | int bsc_network_alloc(void) |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 549 | { |
Philipp Maier | b4999b6 | 2016-10-26 15:19:41 +0200 | [diff] [blame] | 550 | /* initialize our data structures */ |
Neels Hofmeyr | f7a6329 | 2018-02-27 12:37:26 +0100 | [diff] [blame] | 551 | bsc_gsmnet = bsc_network_init(tall_bsc_ctx); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 552 | if (!bsc_gsmnet) |
| 553 | return -ENOMEM; |
| 554 | |
Neels Hofmeyr | e235441 | 2016-05-11 14:12:00 +0200 | [diff] [blame] | 555 | return 0; |
| 556 | } |
| 557 | |
| 558 | int bsc_network_configure(const char *config_file) |
| 559 | { |
| 560 | struct gsm_bts *bts; |
| 561 | int rc; |
| 562 | |
Neels Hofmeyr | 0ce98c7 | 2016-05-11 13:39:33 +0200 | [diff] [blame] | 563 | rc = vty_read_config_file(config_file, NULL); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 564 | if (rc < 0) { |
Harald Welte | b1d4c8e | 2009-12-17 23:10:46 +0100 | [diff] [blame] | 565 | LOGP(DNM, LOGL_FATAL, "Failed to parse the config file: '%s'\n", config_file); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 566 | return rc; |
| 567 | } |
| 568 | |
Neels Hofmeyr | fa0f715 | 2016-02-23 14:09:38 +0100 | [diff] [blame] | 569 | /* start telnet after reading config for vty_get_bind_addr() */ |
Neels Hofmeyr | fa0f715 | 2016-02-23 14:09:38 +0100 | [diff] [blame] | 570 | rc = telnet_init_dynif(tall_bsc_ctx, bsc_gsmnet, vty_get_bind_addr(), |
| 571 | OSMO_VTY_PORT_NITB_BSC); |
Harald Welte | dcccb18 | 2010-05-16 20:52:23 +0200 | [diff] [blame] | 572 | if (rc < 0) |
| 573 | return rc; |
| 574 | |
Pablo Neira Ayuso | bbc5b99 | 2011-05-06 12:12:31 +0200 | [diff] [blame] | 575 | osmo_signal_register_handler(SS_NM, nm_sig_cb, NULL); |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 576 | osmo_signal_register_handler(SS_L_INPUT, inp_sig_cb, NULL); |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 577 | |
| 578 | llist_for_each_entry(bts, &bsc_gsmnet->bts_list, list) { |
Harald Welte | fd355a3 | 2011-03-04 13:41:31 +0100 | [diff] [blame] | 579 | rc = bootstrap_bts(bts); |
Pablo Neira Ayuso | 6e52b88 | 2011-05-14 11:32:46 +0200 | [diff] [blame] | 580 | if (rc < 0) { |
| 581 | LOGP(DNM, LOGL_FATAL, "Error bootstrapping BTS\n"); |
| 582 | return rc; |
| 583 | } |
Pablo Neira Ayuso | ed5cacb | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 584 | rc = e1_reconfig_bts(bts); |
Harald Welte | 889f16e | 2011-02-05 15:41:24 +0100 | [diff] [blame] | 585 | if (rc < 0) { |
Pablo Neira Ayuso | 6e52b88 | 2011-05-14 11:32:46 +0200 | [diff] [blame] | 586 | LOGP(DNM, LOGL_FATAL, "Error enabling E1 input driver\n"); |
| 587 | return rc; |
Harald Welte | 889f16e | 2011-02-05 15:41:24 +0100 | [diff] [blame] | 588 | } |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 589 | } |
Philipp Maier | b4999b6 | 2016-10-26 15:19:41 +0200 | [diff] [blame] | 590 | |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 591 | return 0; |
| 592 | } |