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 |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 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 |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | |
| 22 | #include <stdlib.h> |
Harald Welte | 51f3845 | 2009-02-24 22:36:40 +0000 | [diff] [blame] | 23 | #include <stdio.h> |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 24 | #include <string.h> |
Harald Welte | fcd2445 | 2009-06-20 18:15:19 +0200 | [diff] [blame] | 25 | #include <errno.h> |
Harald Welte | 4258182 | 2009-08-08 16:12:58 +0200 | [diff] [blame] | 26 | #include <ctype.h> |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 27 | |
Harald Welte | 97a282b | 2010-03-14 15:37:43 +0800 | [diff] [blame] | 28 | #include <netinet/in.h> |
| 29 | |
Harald Welte | 8470bf2 | 2008-12-25 23:28:35 +0000 | [diff] [blame] | 30 | #include <openbsc/gsm_data.h> |
Harald Welte | dfe6c7d | 2010-02-20 16:24:02 +0100 | [diff] [blame] | 31 | #include <osmocore/talloc.h> |
Harald Welte | fbc5ca0 | 2010-03-04 10:39:50 +0100 | [diff] [blame] | 32 | #include <osmocore/gsm_utils.h> |
Holger Hans Peter Freyther | 2d501ea | 2009-11-11 11:54:24 +0100 | [diff] [blame] | 33 | #include <openbsc/abis_nm.h> |
Harald Welte | dfe6c7d | 2010-02-20 16:24:02 +0100 | [diff] [blame] | 34 | #include <osmocore/statistics.h> |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 35 | |
Andreas Eversberg | 8226fa7 | 2009-06-29 15:19:38 +0200 | [diff] [blame] | 36 | void *tall_bsc_ctx; |
| 37 | |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 38 | static LLIST_HEAD(bts_models); |
| 39 | |
Harald Welte | cd06bfb | 2009-02-10 17:33:56 +0000 | [diff] [blame] | 40 | void set_ts_e1link(struct gsm_bts_trx_ts *ts, u_int8_t e1_nr, |
| 41 | u_int8_t e1_ts, u_int8_t e1_ts_ss) |
| 42 | { |
| 43 | ts->e1_link.e1_nr = e1_nr; |
| 44 | ts->e1_link.e1_ts = e1_ts; |
| 45 | ts->e1_link.e1_ts_ss = e1_ts_ss; |
| 46 | } |
| 47 | |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 48 | static const struct value_string pchan_names[] = { |
| 49 | { GSM_PCHAN_NONE, "NONE" }, |
| 50 | { GSM_PCHAN_CCCH, "CCCH" }, |
| 51 | { GSM_PCHAN_CCCH_SDCCH4,"CCCH+SDCCH4" }, |
| 52 | { GSM_PCHAN_TCH_F, "TCH/F" }, |
| 53 | { GSM_PCHAN_TCH_H, "TCH/H" }, |
| 54 | { GSM_PCHAN_SDCCH8_SACCH8C, "SDCCH8" }, |
| 55 | { GSM_PCHAN_PDCH, "PDCH" }, |
| 56 | { GSM_PCHAN_TCH_F_PDCH, "TCH/F_PDCH" }, |
| 57 | { GSM_PCHAN_UNKNOWN, "UNKNOWN" }, |
| 58 | { 0, NULL } |
Harald Welte | a72c98e | 2009-01-04 16:10:38 +0000 | [diff] [blame] | 59 | }; |
| 60 | |
| 61 | const char *gsm_pchan_name(enum gsm_phys_chan_config c) |
| 62 | { |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 63 | return get_value_string(pchan_names, c); |
Harald Welte | a72c98e | 2009-01-04 16:10:38 +0000 | [diff] [blame] | 64 | } |
| 65 | |
Harald Welte | a171a1b | 2009-08-07 00:24:39 +0200 | [diff] [blame] | 66 | enum gsm_phys_chan_config gsm_pchan_parse(const char *name) |
| 67 | { |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 68 | return get_string_value(pchan_names, name); |
Harald Welte | a171a1b | 2009-08-07 00:24:39 +0200 | [diff] [blame] | 69 | } |
| 70 | |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 71 | static const struct value_string lchant_names[] = { |
| 72 | { GSM_LCHAN_NONE, "NONE" }, |
| 73 | { GSM_LCHAN_SDCCH, "SDCCH" }, |
| 74 | { GSM_LCHAN_TCH_F, "TCH/F" }, |
| 75 | { GSM_LCHAN_TCH_H, "TCH/H" }, |
| 76 | { GSM_LCHAN_UNKNOWN, "UNKNOWN" }, |
| 77 | { 0, NULL } |
Harald Welte | a72c98e | 2009-01-04 16:10:38 +0000 | [diff] [blame] | 78 | }; |
| 79 | |
Harald Welte (local) | ccd8845 | 2009-12-27 18:05:25 +0100 | [diff] [blame] | 80 | const char *gsm_lchant_name(enum gsm_chan_t c) |
Harald Welte | a72c98e | 2009-01-04 16:10:38 +0000 | [diff] [blame] | 81 | { |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 82 | return get_value_string(lchant_names, c); |
Harald Welte | a72c98e | 2009-01-04 16:10:38 +0000 | [diff] [blame] | 83 | } |
| 84 | |
Harald Welte | 1887f9d | 2009-12-29 10:52:38 +0100 | [diff] [blame] | 85 | static const struct value_string lchan_s_names[] = { |
| 86 | { LCHAN_S_NONE, "NONE" }, |
| 87 | { LCHAN_S_ACT_REQ, "ACTIVATION REQUESTED" }, |
| 88 | { LCHAN_S_ACTIVE, "ACTIVE" }, |
| 89 | { LCHAN_S_INACTIVE, "INACTIVE" }, |
| 90 | { LCHAN_S_REL_REQ, "RELEASE REQUESTED" }, |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 91 | { 0, NULL } |
Harald Welte | 1887f9d | 2009-12-29 10:52:38 +0100 | [diff] [blame] | 92 | }; |
| 93 | |
| 94 | const char *gsm_lchans_name(enum gsm_lchan_state s) |
| 95 | { |
| 96 | return get_value_string(lchan_s_names, s); |
| 97 | } |
| 98 | |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 99 | static const struct value_string chreq_names[] = { |
| 100 | { GSM_CHREQ_REASON_EMERG, "EMERGENCY" }, |
| 101 | { GSM_CHREQ_REASON_PAG, "PAGING" }, |
| 102 | { GSM_CHREQ_REASON_CALL, "CALL" }, |
| 103 | { GSM_CHREQ_REASON_LOCATION_UPD,"LOCATION_UPDATE" }, |
| 104 | { GSM_CHREQ_REASON_OTHER, "OTHER" }, |
| 105 | { 0, NULL } |
Harald Welte | a72c98e | 2009-01-04 16:10:38 +0000 | [diff] [blame] | 106 | }; |
| 107 | |
| 108 | const char *gsm_chreq_name(enum gsm_chreq_reason_t c) |
| 109 | { |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 110 | return get_value_string(chreq_names, c); |
Harald Welte | a72c98e | 2009-01-04 16:10:38 +0000 | [diff] [blame] | 111 | } |
| 112 | |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 113 | static struct gsm_bts_model *bts_model_find(enum gsm_bts_type type) |
| 114 | { |
| 115 | struct gsm_bts_model *model; |
| 116 | |
| 117 | llist_for_each_entry(model, &bts_models, list) { |
| 118 | if (model->type == type) |
| 119 | return model; |
| 120 | } |
| 121 | |
| 122 | return NULL; |
| 123 | } |
| 124 | |
| 125 | int gsm_bts_model_register(struct gsm_bts_model *model) |
| 126 | { |
| 127 | if (bts_model_find(model->type)) |
| 128 | return -EEXIST; |
| 129 | |
| 130 | tlv_def_patch(&model->nm_att_tlvdef, &nm_att_tlvdef); |
| 131 | llist_add_tail(&model->list, &bts_models); |
| 132 | return 0; |
| 133 | } |
| 134 | |
| 135 | |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 136 | struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts) |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 137 | { |
Holger Hans Peter Freyther | 5ea7313 | 2009-10-29 02:29:45 +0100 | [diff] [blame] | 138 | struct gsm_bts_trx *trx = talloc_zero(bts, struct gsm_bts_trx); |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 139 | int k; |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 140 | |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 141 | if (!trx) |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 142 | return NULL; |
| 143 | |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 144 | trx->bts = bts; |
| 145 | trx->nr = bts->num_trx++; |
Holger Hans Peter Freyther | f31e474 | 2009-12-31 03:05:52 +0100 | [diff] [blame] | 146 | trx->nm_state.administrative = NM_STATE_UNLOCKED; |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 147 | |
| 148 | for (k = 0; k < TRX_NR_TS; k++) { |
| 149 | struct gsm_bts_trx_ts *ts = &trx->ts[k]; |
| 150 | int l; |
| 151 | |
| 152 | ts->trx = trx; |
| 153 | ts->nr = k; |
| 154 | ts->pchan = GSM_PCHAN_NONE; |
| 155 | |
| 156 | for (l = 0; l < TS_MAX_LCHAN; l++) { |
| 157 | struct gsm_lchan *lchan; |
| 158 | lchan = &ts->lchan[l]; |
| 159 | |
| 160 | lchan->ts = ts; |
| 161 | lchan->nr = l; |
| 162 | lchan->type = GSM_LCHAN_NONE; |
| 163 | } |
| 164 | } |
| 165 | |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 166 | if (trx->nr != 0) |
| 167 | trx->nominal_power = bts->c0->nominal_power; |
| 168 | |
Harald Welte | 9fb3b8b | 2009-08-06 19:05:58 +0200 | [diff] [blame] | 169 | llist_add_tail(&trx->list, &bts->trx_list); |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 170 | |
| 171 | return trx; |
| 172 | } |
| 173 | |
| 174 | struct gsm_bts *gsm_bts_alloc(struct gsm_network *net, enum gsm_bts_type type, |
| 175 | u_int8_t tsc, u_int8_t bsic) |
| 176 | { |
Holger Hans Peter Freyther | 5ea7313 | 2009-10-29 02:29:45 +0100 | [diff] [blame] | 177 | struct gsm_bts *bts = talloc_zero(net, struct gsm_bts); |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 178 | struct gsm_bts_model *model = bts_model_find(type); |
Harald Welte | 55dd443 | 2009-10-24 10:19:14 +0200 | [diff] [blame] | 179 | int i; |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 180 | |
| 181 | if (!bts) |
| 182 | return NULL; |
| 183 | |
laforge | 6af56d1 | 2010-01-12 10:44:26 +0100 | [diff] [blame] | 184 | if (!model && type != GSM_BTS_TYPE_UNKNOWN) { |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 185 | talloc_free(bts); |
| 186 | return NULL; |
| 187 | } |
| 188 | |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 189 | bts->network = net; |
| 190 | bts->nr = net->num_bts++; |
| 191 | bts->type = type; |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 192 | bts->model = model; |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 193 | bts->tsc = tsc; |
| 194 | bts->bsic = bsic; |
| 195 | bts->num_trx = 0; |
| 196 | INIT_LLIST_HEAD(&bts->trx_list); |
Harald Welte (local) | 0e451d0 | 2009-08-13 10:14:26 +0200 | [diff] [blame] | 197 | bts->ms_max_power = 15; /* dBm */ |
Harald Welte | 7322528 | 2009-12-12 18:17:25 +0100 | [diff] [blame] | 198 | bts->si_common.cell_sel_par.cell_resel_hyst = 2; /* 4 dB */ |
| 199 | bts->si_common.cell_sel_par.rxlev_acc_min = 0; |
Harald Welte | 6c40def | 2009-12-14 22:07:14 +0100 | [diff] [blame] | 200 | bts->si_common.neigh_list.data = bts->si_common.data.neigh_list; |
| 201 | bts->si_common.neigh_list.data_len = |
| 202 | sizeof(bts->si_common.data.neigh_list); |
| 203 | bts->si_common.cell_alloc.data = bts->si_common.data.cell_alloc; |
| 204 | bts->si_common.cell_alloc.data_len = |
| 205 | sizeof(bts->si_common.data.cell_alloc); |
Sylvain Munaut | 4010f1e | 2009-12-22 13:43:26 +0100 | [diff] [blame] | 206 | bts->si_common.rach_control.re = 1; /* no re-establishment */ |
| 207 | bts->si_common.rach_control.tx_integer = 9; /* 12 slots spread - 217/115 slots delay */ |
| 208 | bts->si_common.rach_control.max_trans = 3; /* 7 retransmissions */ |
| 209 | bts->si_common.rach_control.t2 = 4; /* no emergency calls */ |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 210 | |
Harald Welte | 55dd443 | 2009-10-24 10:19:14 +0200 | [diff] [blame] | 211 | for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) { |
| 212 | bts->gprs.nsvc[i].bts = bts; |
| 213 | bts->gprs.nsvc[i].id = i; |
| 214 | } |
| 215 | |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 216 | /* create our primary TRX */ |
| 217 | bts->c0 = gsm_bts_trx_alloc(bts); |
| 218 | if (!bts->c0) { |
| 219 | talloc_free(bts); |
| 220 | return NULL; |
| 221 | } |
| 222 | bts->c0->ts[0].pchan = GSM_PCHAN_CCCH_SDCCH4; |
| 223 | |
Harald Welte | 9fb3b8b | 2009-08-06 19:05:58 +0200 | [diff] [blame] | 224 | llist_add_tail(&bts->list, &net->bts_list); |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 225 | |
| 226 | return bts; |
| 227 | } |
| 228 | |
| 229 | struct gsm_network *gsm_network_init(u_int16_t country_code, u_int16_t network_code, |
| 230 | int (*mncc_recv)(struct gsm_network *, int, void *)) |
| 231 | { |
| 232 | struct gsm_network *net; |
| 233 | |
Holger Hans Peter Freyther | 5ea7313 | 2009-10-29 02:29:45 +0100 | [diff] [blame] | 234 | net = talloc_zero(tall_bsc_ctx, struct gsm_network); |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 235 | if (!net) |
| 236 | return NULL; |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 237 | |
| 238 | net->country_code = country_code; |
| 239 | net->network_code = network_code; |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 240 | net->num_bts = 0; |
Holger Hans Peter Freyther | d0c5402 | 2010-01-07 16:08:42 +0100 | [diff] [blame] | 241 | net->reject_cause = GSM48_REJECT_ROAMING_NOT_ALLOWED; |
Harald Welte | b84ddfc | 2009-12-01 17:36:54 +0530 | [diff] [blame] | 242 | net->T3101 = GSM_T3101_DEFAULT; |
| 243 | net->T3113 = GSM_T3113_DEFAULT; |
| 244 | /* FIXME: initialize all other timers! */ |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 245 | |
Harald Welte | f7c28b0 | 2009-12-21 13:30:17 +0100 | [diff] [blame] | 246 | /* default set of handover parameters */ |
| 247 | net->handover.win_rxlev_avg = 10; |
| 248 | net->handover.win_rxqual_avg = 1; |
| 249 | net->handover.win_rxlev_avg_neigh = 10; |
| 250 | net->handover.pwr_interval = 6; |
| 251 | net->handover.pwr_hysteresis = 3; |
| 252 | net->handover.max_distance = 9999; |
| 253 | |
Harald Welte | 4bfdfe7 | 2009-06-10 23:11:52 +0800 | [diff] [blame] | 254 | INIT_LLIST_HEAD(&net->trans_list); |
| 255 | INIT_LLIST_HEAD(&net->upqueue); |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 256 | INIT_LLIST_HEAD(&net->bts_list); |
Harald Welte | 4bfdfe7 | 2009-06-10 23:11:52 +0800 | [diff] [blame] | 257 | |
Harald Welte | ffa55a4 | 2009-12-22 19:07:32 +0100 | [diff] [blame] | 258 | net->stats.chreq.total = counter_alloc("net.chreq.total"); |
| 259 | net->stats.chreq.no_channel = counter_alloc("net.chreq.no_channel"); |
| 260 | net->stats.handover.attempted = counter_alloc("net.handover.attempted"); |
| 261 | net->stats.handover.no_channel = counter_alloc("net.handover.no_channel"); |
| 262 | net->stats.handover.timeout = counter_alloc("net.handover.timeout"); |
| 263 | net->stats.handover.completed = counter_alloc("net.handover.completed"); |
| 264 | net->stats.handover.failed = counter_alloc("net.handover.failed"); |
| 265 | net->stats.loc_upd_type.attach = counter_alloc("net.loc_upd_type.attach"); |
| 266 | net->stats.loc_upd_type.normal = counter_alloc("net.loc_upd_type.normal"); |
| 267 | net->stats.loc_upd_type.periodic = counter_alloc("net.loc_upd_type.periodic"); |
| 268 | net->stats.loc_upd_type.detach = counter_alloc("net.imsi_detach.count"); |
| 269 | net->stats.loc_upd_resp.reject = counter_alloc("net.loc_upd_resp.reject"); |
| 270 | net->stats.loc_upd_resp.accept = counter_alloc("net.loc_upd_resp.accept"); |
| 271 | net->stats.paging.attempted = counter_alloc("net.paging.attempted"); |
| 272 | net->stats.paging.detached = counter_alloc("net.paging.detached"); |
| 273 | net->stats.paging.completed = counter_alloc("net.paging.completed"); |
| 274 | net->stats.paging.expired = counter_alloc("net.paging.expired"); |
| 275 | net->stats.sms.submitted = counter_alloc("net.sms.submitted"); |
| 276 | net->stats.sms.no_receiver = counter_alloc("net.sms.no_receiver"); |
| 277 | net->stats.sms.delivered = counter_alloc("net.sms.delivered"); |
| 278 | net->stats.sms.rp_err_mem = counter_alloc("net.sms.rp_err_mem"); |
| 279 | net->stats.sms.rp_err_other = counter_alloc("net.sms.rp_err_other"); |
| 280 | net->stats.call.dialled = counter_alloc("net.call.dialled"); |
| 281 | net->stats.call.alerted = counter_alloc("net.call.alerted"); |
| 282 | net->stats.call.connected = counter_alloc("net.call.connected"); |
Holger Hans Peter Freyther | 3ba36d5 | 2010-04-17 06:48:29 +0200 | [diff] [blame] | 283 | net->stats.chan.rf_fail = counter_alloc("net.chan.rf_fail"); |
| 284 | net->stats.chan.rll_err = counter_alloc("net.chan.rll_err"); |
Holger Hans Peter Freyther | bb110f9 | 2010-04-12 10:45:52 +0200 | [diff] [blame] | 285 | net->stats.bts.oml_fail = counter_alloc("net.bts.oml_fail"); |
| 286 | net->stats.bts.rsl_fail = counter_alloc("net.bts.rsl_fail"); |
Harald Welte | ffa55a4 | 2009-12-22 19:07:32 +0100 | [diff] [blame] | 287 | |
Harald Welte | 4bfdfe7 | 2009-06-10 23:11:52 +0800 | [diff] [blame] | 288 | net->mncc_recv = mncc_recv; |
| 289 | |
Harald Welte | 8470bf2 | 2008-12-25 23:28:35 +0000 | [diff] [blame] | 290 | return net; |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 291 | } |
Harald Welte | 23a6863 | 2009-02-19 17:06:42 +0000 | [diff] [blame] | 292 | |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 293 | struct gsm_bts *gsm_bts_num(struct gsm_network *net, int num) |
| 294 | { |
| 295 | struct gsm_bts *bts; |
| 296 | |
| 297 | if (num >= net->num_bts) |
| 298 | return NULL; |
| 299 | |
| 300 | llist_for_each_entry(bts, &net->bts_list, list) { |
| 301 | if (bts->nr == num) |
| 302 | return bts; |
| 303 | } |
| 304 | |
| 305 | return NULL; |
| 306 | } |
| 307 | |
Harald Welte | 84874c9 | 2009-12-14 22:33:02 +0100 | [diff] [blame] | 308 | /* Get reference to a neighbor cell on a given BCCH ARFCN */ |
Harald Welte | 0b12103 | 2009-12-15 00:21:31 +0100 | [diff] [blame] | 309 | struct gsm_bts *gsm_bts_neighbor(const struct gsm_bts *bts, |
| 310 | u_int16_t arfcn, u_int8_t bsic) |
Harald Welte | 84874c9 | 2009-12-14 22:33:02 +0100 | [diff] [blame] | 311 | { |
| 312 | struct gsm_bts *neigh; |
| 313 | /* FIXME: use some better heuristics here to determine which cell |
| 314 | * using this ARFCN really is closest to the target cell. For |
| 315 | * now we simply assume that each ARFCN will only be used by one |
| 316 | * cell */ |
| 317 | |
| 318 | llist_for_each_entry(neigh, &bts->network->bts_list, list) { |
Harald Welte | 0b12103 | 2009-12-15 00:21:31 +0100 | [diff] [blame] | 319 | if (neigh->c0->arfcn == arfcn && |
| 320 | neigh->bsic == bsic) |
Harald Welte | 84874c9 | 2009-12-14 22:33:02 +0100 | [diff] [blame] | 321 | return neigh; |
| 322 | } |
| 323 | |
| 324 | return NULL; |
| 325 | } |
| 326 | |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 327 | struct gsm_bts_trx *gsm_bts_trx_num(struct gsm_bts *bts, int num) |
| 328 | { |
| 329 | struct gsm_bts_trx *trx; |
| 330 | |
| 331 | if (num >= bts->num_trx) |
| 332 | return NULL; |
| 333 | |
| 334 | llist_for_each_entry(trx, &bts->trx_list, list) { |
| 335 | if (trx->nr == num) |
| 336 | return trx; |
| 337 | } |
| 338 | |
| 339 | return NULL; |
| 340 | } |
| 341 | |
Harald Welte | 23a6863 | 2009-02-19 17:06:42 +0000 | [diff] [blame] | 342 | static char ts2str[255]; |
| 343 | |
Harald Welte (local) | d48f4eb | 2009-12-28 23:14:22 +0100 | [diff] [blame] | 344 | char *gsm_trx_name(struct gsm_bts_trx *trx) |
| 345 | { |
| 346 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d)", |
| 347 | trx->bts->nr, trx->nr); |
| 348 | |
| 349 | return ts2str; |
| 350 | } |
| 351 | |
| 352 | |
Harald Welte | 23a6863 | 2009-02-19 17:06:42 +0000 | [diff] [blame] | 353 | char *gsm_ts_name(struct gsm_bts_trx_ts *ts) |
| 354 | { |
| 355 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d)", |
Mike Haben | 2449b37 | 2009-10-26 20:36:34 +0100 | [diff] [blame] | 356 | ts->trx->bts->nr, ts->trx->nr, ts->nr); |
Harald Welte | 23a6863 | 2009-02-19 17:06:42 +0000 | [diff] [blame] | 357 | |
| 358 | return ts2str; |
| 359 | } |
Harald Welte | 32201c1 | 2009-03-10 12:15:10 +0000 | [diff] [blame] | 360 | |
Harald Welte (local) | 19ef62a | 2009-12-27 18:16:36 +0100 | [diff] [blame] | 361 | char *gsm_lchan_name(struct gsm_lchan *lchan) |
| 362 | { |
| 363 | struct gsm_bts_trx_ts *ts = lchan->ts; |
| 364 | |
| 365 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d,ss=%d)", |
| 366 | ts->trx->bts->nr, ts->trx->nr, ts->nr, lchan->nr); |
| 367 | |
| 368 | return ts2str; |
| 369 | } |
| 370 | |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 371 | static const struct value_string bts_types[] = { |
| 372 | { GSM_BTS_TYPE_UNKNOWN, "unknown" }, |
| 373 | { GSM_BTS_TYPE_BS11, "bs11" }, |
| 374 | { GSM_BTS_TYPE_NANOBTS, "nanobts" }, |
| 375 | { 0, NULL } |
Harald Welte | 32201c1 | 2009-03-10 12:15:10 +0000 | [diff] [blame] | 376 | }; |
| 377 | |
Harald Welte | 1d014a5 | 2009-08-08 15:38:29 +0200 | [diff] [blame] | 378 | enum gsm_bts_type parse_btstype(const char *arg) |
Harald Welte | 32201c1 | 2009-03-10 12:15:10 +0000 | [diff] [blame] | 379 | { |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 380 | return get_string_value(bts_types, arg); |
Harald Welte | 32201c1 | 2009-03-10 12:15:10 +0000 | [diff] [blame] | 381 | } |
| 382 | |
Holger Hans Peter Freyther | 2dceae6 | 2009-06-12 17:39:38 +0200 | [diff] [blame] | 383 | const char *btstype2str(enum gsm_bts_type type) |
Harald Welte | 32201c1 | 2009-03-10 12:15:10 +0000 | [diff] [blame] | 384 | { |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 385 | return get_value_string(bts_types, type); |
Harald Welte | 32201c1 | 2009-03-10 12:15:10 +0000 | [diff] [blame] | 386 | } |
Harald Welte | be99149 | 2009-05-23 13:56:40 +0000 | [diff] [blame] | 387 | |
Harald Welte | 6e670aa | 2010-01-07 20:44:32 +0100 | [diff] [blame] | 388 | struct gsm_bts_trx *gsm_bts_trx_by_nr(struct gsm_bts *bts, int nr) |
| 389 | { |
| 390 | struct gsm_bts_trx *trx; |
| 391 | |
| 392 | llist_for_each_entry(trx, &bts->trx_list, list) { |
| 393 | if (trx->nr == nr) |
| 394 | return trx; |
| 395 | } |
| 396 | return NULL; |
| 397 | } |
| 398 | |
Harald Welte | be99149 | 2009-05-23 13:56:40 +0000 | [diff] [blame] | 399 | /* Search for a BTS in the given Location Area; optionally start searching |
| 400 | * with start_bts (for continuing to search after the first result) */ |
| 401 | struct gsm_bts *gsm_bts_by_lac(struct gsm_network *net, unsigned int lac, |
| 402 | struct gsm_bts *start_bts) |
| 403 | { |
| 404 | int i; |
| 405 | struct gsm_bts *bts; |
| 406 | int skip = 0; |
| 407 | |
| 408 | if (start_bts) |
| 409 | skip = 1; |
| 410 | |
| 411 | for (i = 0; i < net->num_bts; i++) { |
Harald Welte | e441d9c | 2009-06-21 16:17:15 +0200 | [diff] [blame] | 412 | bts = gsm_bts_num(net, i); |
Harald Welte | be99149 | 2009-05-23 13:56:40 +0000 | [diff] [blame] | 413 | |
| 414 | if (skip) { |
| 415 | if (start_bts == bts) |
| 416 | skip = 0; |
| 417 | continue; |
| 418 | } |
| 419 | |
Holger Hans Peter Freyther | e48b956 | 2009-10-01 04:07:15 +0200 | [diff] [blame] | 420 | if (lac == GSM_LAC_RESERVED_ALL_BTS || bts->location_area_code == lac) |
Harald Welte | be99149 | 2009-05-23 13:56:40 +0000 | [diff] [blame] | 421 | return bts; |
| 422 | } |
| 423 | return NULL; |
| 424 | } |
Harald Welte | fcd2445 | 2009-06-20 18:15:19 +0200 | [diff] [blame] | 425 | |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 426 | static const struct value_string auth_policy_names[] = { |
| 427 | { GSM_AUTH_POLICY_CLOSED, "closed" }, |
| 428 | { GSM_AUTH_POLICY_ACCEPT_ALL, "accept-all" }, |
| 429 | { GSM_AUTH_POLICY_TOKEN, "token" }, |
| 430 | { 0, NULL } |
Harald Welte (local) | 69de397 | 2009-08-12 14:42:23 +0200 | [diff] [blame] | 431 | }; |
| 432 | |
| 433 | enum gsm_auth_policy gsm_auth_policy_parse(const char *arg) |
| 434 | { |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 435 | return get_string_value(auth_policy_names, arg); |
Harald Welte (local) | 69de397 | 2009-08-12 14:42:23 +0200 | [diff] [blame] | 436 | } |
| 437 | |
| 438 | const char *gsm_auth_policy_name(enum gsm_auth_policy policy) |
| 439 | { |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 440 | return get_value_string(auth_policy_names, policy); |
Harald Welte (local) | 69de397 | 2009-08-12 14:42:23 +0200 | [diff] [blame] | 441 | } |
| 442 | |
Harald Welte | 97a282b | 2010-03-14 15:37:43 +0800 | [diff] [blame] | 443 | /* this should not be here but in gsm_04_08... but that creates |
| 444 | in turn a dependency nightmare (abis_nm depending on 04_08, ...) */ |
| 445 | static int gsm48_construct_ra(u_int8_t *buf, const struct gprs_ra_id *raid) |
| 446 | { |
| 447 | u_int16_t mcc = raid->mcc; |
| 448 | u_int16_t mnc = raid->mnc; |
| 449 | |
| 450 | buf[0] = ((mcc / 100) % 10) | (((mcc / 10) % 10) << 4); |
| 451 | buf[1] = (mcc % 10); |
| 452 | |
| 453 | /* I wonder who came up with the stupidity of encoding the MNC |
| 454 | * differently depending on how many digits its decimal number has! */ |
| 455 | if (mnc < 100) { |
| 456 | buf[1] |= 0xf0; |
| 457 | buf[2] = ((mnc / 10) % 10) | ((mnc % 10) << 4); |
| 458 | } else { |
| 459 | buf[1] |= (mnc % 10) << 4; |
| 460 | buf[2] = ((mnc / 100) % 10) | (((mcc / 10) % 10) << 4); |
| 461 | } |
| 462 | |
| 463 | *(u_int16_t *)(buf+3) = htons(raid->lac); |
| 464 | |
| 465 | buf[5] = raid->rac; |
| 466 | |
| 467 | return 6; |
| 468 | } |
| 469 | |
| 470 | void gprs_ra_id_by_bts(struct gprs_ra_id *raid, struct gsm_bts *bts) |
| 471 | { |
| 472 | raid->mcc = bts->network->country_code; |
| 473 | raid->mnc = bts->network->network_code; |
| 474 | raid->lac = bts->location_area_code; |
| 475 | raid->rac = bts->gprs.rac; |
| 476 | } |
| 477 | |
| 478 | int gsm48_ra_id_by_bts(u_int8_t *buf, struct gsm_bts *bts) |
| 479 | { |
| 480 | struct gprs_ra_id raid; |
| 481 | |
| 482 | gprs_ra_id_by_bts(&raid, bts); |
| 483 | |
| 484 | return gsm48_construct_ra(buf, &raid); |
| 485 | } |
| 486 | |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 487 | static const struct value_string rrlp_mode_names[] = { |
| 488 | { RRLP_MODE_NONE, "none" }, |
| 489 | { RRLP_MODE_MS_BASED, "ms-based" }, |
| 490 | { RRLP_MODE_MS_PREF, "ms-preferred" }, |
| 491 | { RRLP_MODE_ASS_PREF, "ass-preferred" }, |
| 492 | { 0, NULL } |
Harald Welte | eab84a1 | 2009-12-13 10:53:12 +0100 | [diff] [blame] | 493 | }; |
| 494 | |
| 495 | enum rrlp_mode rrlp_mode_parse(const char *arg) |
| 496 | { |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 497 | return get_string_value(rrlp_mode_names, arg); |
Harald Welte | eab84a1 | 2009-12-13 10:53:12 +0100 | [diff] [blame] | 498 | } |
| 499 | |
| 500 | const char *rrlp_mode_name(enum rrlp_mode mode) |
| 501 | { |
Harald Welte | 92b1fe4 | 2010-03-25 11:45:30 +0800 | [diff] [blame] | 502 | return get_value_string(rrlp_mode_names, mode); |
Harald Welte | eab84a1 | 2009-12-13 10:53:12 +0100 | [diff] [blame] | 503 | } |
Harald Welte | d12b0fd | 2009-12-15 21:36:05 +0100 | [diff] [blame] | 504 | |
| 505 | struct gsm_meas_rep *lchan_next_meas_rep(struct gsm_lchan *lchan) |
| 506 | { |
| 507 | struct gsm_meas_rep *meas_rep; |
| 508 | |
| 509 | meas_rep = &lchan->meas_rep[lchan->meas_rep_idx]; |
| 510 | memset(meas_rep, 0, sizeof(*meas_rep)); |
| 511 | meas_rep->lchan = lchan; |
| 512 | lchan->meas_rep_idx = (lchan->meas_rep_idx + 1) |
| 513 | % ARRAY_SIZE(lchan->meas_rep); |
| 514 | |
| 515 | return meas_rep; |
| 516 | } |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 517 | |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 518 | 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] | 519 | { |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 520 | struct gsm_bts_model *model; |
| 521 | |
| 522 | model = bts_model_find(type); |
| 523 | if (!model) |
| 524 | return -EINVAL; |
| 525 | |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 526 | bts->type = type; |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 527 | bts->model = model; |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 528 | |
| 529 | switch (bts->type) { |
| 530 | case GSM_BTS_TYPE_NANOBTS: |
| 531 | /* Set the default OML Stream ID to 0xff */ |
| 532 | bts->oml_tei = 0xff; |
| 533 | bts->c0->nominal_power = 23; |
| 534 | break; |
| 535 | case GSM_BTS_TYPE_BS11: |
| 536 | break; |
| 537 | } |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 538 | |
| 539 | return 0; |
Harald Welte (local) | 7b37d97 | 2009-12-27 20:56:38 +0100 | [diff] [blame] | 540 | } |