Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 1 | /* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org> |
| 2 | * |
| 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 Affero General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 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 Affero General Public License for more details. |
| 14 | * |
| 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/>. |
| 17 | * |
| 18 | */ |
| 19 | |
| 20 | |
| 21 | #include <stdlib.h> |
| 22 | #include <stdio.h> |
| 23 | #include <string.h> |
| 24 | #include <errno.h> |
| 25 | #include <ctype.h> |
| 26 | |
| 27 | #include <netinet/in.h> |
| 28 | |
| 29 | #include <osmocom/core/linuxlist.h> |
| 30 | #include <osmocom/core/talloc.h> |
| 31 | #include <osmocom/gsm/gsm_utils.h> |
| 32 | #include <osmocom/gsm/abis_nm.h> |
| 33 | #include <osmocom/core/statistics.h> |
| 34 | |
Harald Welte | 5ac0179 | 2011-06-06 17:52:38 +0200 | [diff] [blame] | 35 | #include <openbsc/gsm_data.h> |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 36 | |
Harald Welte | b784998 | 2011-06-29 16:49:03 +0200 | [diff] [blame] | 37 | void gsm_abis_mo_reset(struct gsm_abis_mo *mo) |
| 38 | { |
Harald Welte | b784998 | 2011-06-29 16:49:03 +0200 | [diff] [blame] | 39 | mo->nm_state.operational = NM_OPSTATE_NULL; |
| 40 | mo->nm_state.availability = NM_AVSTATE_POWER_OFF; |
| 41 | } |
| 42 | |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 43 | static void gsm_mo_init(struct gsm_abis_mo *mo, struct gsm_bts *bts, |
| 44 | uint8_t obj_class, uint8_t p1, uint8_t p2, uint8_t p3) |
Harald Welte | 32bc116 | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 45 | { |
| 46 | mo->bts = bts; |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 47 | mo->obj_class = obj_class; |
| 48 | mo->obj_inst.bts_nr = p1; |
| 49 | mo->obj_inst.trx_nr = p2; |
| 50 | mo->obj_inst.ts_nr = p3; |
Harald Welte | b784998 | 2011-06-29 16:49:03 +0200 | [diff] [blame] | 51 | gsm_abis_mo_reset(mo); |
Harald Welte | 32bc116 | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 52 | } |
| 53 | |
Max | 7507aef | 2017-04-10 13:59:14 +0200 | [diff] [blame] | 54 | const struct value_string bts_attribute_names[] = { |
| 55 | OSMO_VALUE_STRING(BTS_TYPE_VARIANT), |
| 56 | OSMO_VALUE_STRING(BTS_SUB_MODEL), |
Max | 33e1357 | 2017-05-29 11:48:29 +0200 | [diff] [blame] | 57 | OSMO_VALUE_STRING(TRX_PHY_VERSION), |
Max | 7507aef | 2017-04-10 13:59:14 +0200 | [diff] [blame] | 58 | { 0, NULL } |
| 59 | }; |
| 60 | |
| 61 | enum bts_attribute str2btsattr(const char *s) |
| 62 | { |
| 63 | return get_string_value(bts_attribute_names, s); |
| 64 | } |
| 65 | |
| 66 | const char *btsatttr2str(enum bts_attribute v) |
| 67 | { |
| 68 | return get_value_string(bts_attribute_names, v); |
| 69 | } |
| 70 | |
| 71 | const struct value_string osmo_bts_variant_names[_NUM_BTS_VARIANT + 1] = { |
| 72 | { BTS_UNKNOWN, "unknown" }, |
| 73 | { BTS_OSMO_LITECELL15, "osmo-bts-lc15" }, |
| 74 | { BTS_OSMO_OCTPHY, "osmo-bts-octphy" }, |
| 75 | { BTS_OSMO_SYSMO, "osmo-bts-sysmo" }, |
| 76 | { BTS_OSMO_TRX, "omso-bts-trx" }, |
| 77 | { 0, NULL } |
| 78 | }; |
| 79 | |
| 80 | enum gsm_bts_type_variant str2btsvariant(const char *arg) |
| 81 | { |
| 82 | return get_string_value(osmo_bts_variant_names, arg); |
| 83 | } |
| 84 | |
| 85 | const char *btsvariant2str(enum gsm_bts_type_variant v) |
| 86 | { |
| 87 | return get_value_string(osmo_bts_variant_names, v); |
| 88 | } |
| 89 | |
| 90 | const struct value_string bts_type_names[_NUM_GSM_BTS_TYPE + 1] = { |
| 91 | { GSM_BTS_TYPE_UNKNOWN, "unknown" }, |
| 92 | { GSM_BTS_TYPE_BS11, "bs11" }, |
| 93 | { GSM_BTS_TYPE_NANOBTS, "nanobts" }, |
| 94 | { GSM_BTS_TYPE_RBS2000, "rbs2000" }, |
| 95 | { GSM_BTS_TYPE_NOKIA_SITE, "nokia_site" }, |
| 96 | { GSM_BTS_TYPE_OSMOBTS, "sysmobts" }, |
| 97 | { 0, NULL } |
| 98 | }; |
| 99 | |
| 100 | enum gsm_bts_type str2btstype(const char *arg) |
| 101 | { |
| 102 | return get_string_value(bts_type_names, arg); |
| 103 | } |
| 104 | |
| 105 | const char *btstype2str(enum gsm_bts_type type) |
| 106 | { |
| 107 | return get_value_string(bts_type_names, type); |
| 108 | } |
| 109 | |
Max | aef6838 | 2017-05-31 12:15:54 +0200 | [diff] [blame] | 110 | const struct value_string gsm_bts_features_descs[] = { |
| 111 | { BTS_FEAT_HSCSD, "HSCSD" }, |
| 112 | { BTS_FEAT_GPRS, "GPRS" }, |
| 113 | { BTS_FEAT_EGPRS, "EGPRS" }, |
| 114 | { BTS_FEAT_ECSD, "ECSD" }, |
| 115 | { BTS_FEAT_HOPPING, "Frequency Hopping" }, |
| 116 | { BTS_FEAT_MULTI_TSC, "Multi-TSC" }, |
| 117 | { BTS_FEAT_OML_ALERTS, "OML Alerts" }, |
| 118 | { BTS_FEAT_AGCH_PCH_PROP, "AGCH/PCH proportional allocation" }, |
| 119 | { BTS_FEAT_CBCH, "CBCH" }, |
| 120 | { 0, NULL } |
| 121 | }; |
| 122 | |
Philipp Maier | 6f483d3 | 2017-02-24 15:18:08 +0100 | [diff] [blame] | 123 | const struct value_string gsm_chreq_descs[] = { |
| 124 | { GSM_CHREQ_REASON_EMERG, "emergency call" }, |
| 125 | { GSM_CHREQ_REASON_PAG, "answer to paging" }, |
| 126 | { GSM_CHREQ_REASON_CALL, "call re-establishment" }, |
| 127 | { GSM_CHREQ_REASON_LOCATION_UPD,"Location updating" }, |
| 128 | { GSM_CHREQ_REASON_PDCH, "one phase packet access" }, |
| 129 | { GSM_CHREQ_REASON_OTHER, "other" }, |
| 130 | { 0, NULL } |
| 131 | }; |
| 132 | |
Neels Hofmeyr | 17a6bab | 2016-07-23 16:14:06 +0200 | [diff] [blame] | 133 | const struct value_string gsm_pchant_names[13] = { |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 134 | { GSM_PCHAN_NONE, "NONE" }, |
| 135 | { GSM_PCHAN_CCCH, "CCCH" }, |
| 136 | { GSM_PCHAN_CCCH_SDCCH4,"CCCH+SDCCH4" }, |
| 137 | { GSM_PCHAN_TCH_F, "TCH/F" }, |
| 138 | { GSM_PCHAN_TCH_H, "TCH/H" }, |
| 139 | { GSM_PCHAN_SDCCH8_SACCH8C, "SDCCH8" }, |
| 140 | { GSM_PCHAN_PDCH, "PDCH" }, |
| 141 | { GSM_PCHAN_TCH_F_PDCH, "TCH/F_PDCH" }, |
| 142 | { GSM_PCHAN_UNKNOWN, "UNKNOWN" }, |
Harald Welte | 30f1f37 | 2014-12-28 15:00:45 +0100 | [diff] [blame] | 143 | { GSM_PCHAN_CCCH_SDCCH4_CBCH, "CCCH+SDCCH4+CBCH" }, |
Holger Hans Peter Freyther | b8c204c | 2015-01-31 19:42:42 +0100 | [diff] [blame] | 144 | { GSM_PCHAN_SDCCH8_SACCH8C_CBCH, "SDCCH8+CBCH" }, |
Neels Hofmeyr | 17a6bab | 2016-07-23 16:14:06 +0200 | [diff] [blame] | 145 | { GSM_PCHAN_TCH_F_TCH_H_PDCH, "TCH/F_TCH/H_PDCH" }, |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 146 | { 0, NULL } |
| 147 | }; |
| 148 | |
Neels Hofmeyr | 17a6bab | 2016-07-23 16:14:06 +0200 | [diff] [blame] | 149 | const struct value_string gsm_pchant_descs[13] = { |
Harald Welte | 4ab9d7c | 2012-08-17 12:42:06 +0200 | [diff] [blame] | 150 | { GSM_PCHAN_NONE, "Physical Channel not configured" }, |
| 151 | { GSM_PCHAN_CCCH, "FCCH + SCH + BCCH + CCCH (Comb. IV)" }, |
| 152 | { GSM_PCHAN_CCCH_SDCCH4, |
| 153 | "FCCH + SCH + BCCH + CCCH + 4 SDCCH + 2 SACCH (Comb. V)" }, |
| 154 | { GSM_PCHAN_TCH_F, "TCH/F + FACCH/F + SACCH (Comb. I)" }, |
| 155 | { GSM_PCHAN_TCH_H, "2 TCH/H + 2 FACCH/H + 2 SACCH (Comb. II)" }, |
| 156 | { GSM_PCHAN_SDCCH8_SACCH8C, "8 SDCCH + 4 SACCH (Comb. VII)" }, |
| 157 | { GSM_PCHAN_PDCH, "Packet Data Channel for GPRS/EDGE" }, |
| 158 | { GSM_PCHAN_TCH_F_PDCH, "Dynamic TCH/F or GPRS PDCH" }, |
| 159 | { GSM_PCHAN_UNKNOWN, "Unknown / Unsupported channel combination" }, |
Harald Welte | 30f1f37 | 2014-12-28 15:00:45 +0100 | [diff] [blame] | 160 | { GSM_PCHAN_CCCH_SDCCH4_CBCH, "FCCH + SCH + BCCH + CCCH + CBCH + 3 SDCCH + 2 SACCH (Comb. V)" }, |
Holger Hans Peter Freyther | b8c204c | 2015-01-31 19:42:42 +0100 | [diff] [blame] | 161 | { GSM_PCHAN_SDCCH8_SACCH8C_CBCH, "7 SDCCH + 4 SACCH + CBCH (Comb. VII)" }, |
Neels Hofmeyr | 17a6bab | 2016-07-23 16:14:06 +0200 | [diff] [blame] | 162 | { GSM_PCHAN_TCH_F_TCH_H_PDCH, "Dynamic TCH/F or TCH/H or GPRS PDCH" }, |
Harald Welte | 4ab9d7c | 2012-08-17 12:42:06 +0200 | [diff] [blame] | 163 | { 0, NULL } |
| 164 | }; |
| 165 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 166 | const char *gsm_pchan_name(enum gsm_phys_chan_config c) |
| 167 | { |
Harald Welte | 4ab9d7c | 2012-08-17 12:42:06 +0200 | [diff] [blame] | 168 | return get_value_string(gsm_pchant_names, c); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | enum gsm_phys_chan_config gsm_pchan_parse(const char *name) |
| 172 | { |
Harald Welte | 4ab9d7c | 2012-08-17 12:42:06 +0200 | [diff] [blame] | 173 | return get_string_value(gsm_pchant_names, name); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 174 | } |
| 175 | |
Neels Hofmeyr | 29048b2 | 2016-06-14 13:31:59 +0200 | [diff] [blame] | 176 | /* TODO: move to libosmocore, next to gsm_chan_t_names? */ |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 177 | const char *gsm_lchant_name(enum gsm_chan_t c) |
| 178 | { |
Neels Hofmeyr | 29048b2 | 2016-06-14 13:31:59 +0200 | [diff] [blame] | 179 | return get_value_string(gsm_chan_t_names, c); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | static const struct value_string lchan_s_names[] = { |
| 183 | { LCHAN_S_NONE, "NONE" }, |
| 184 | { LCHAN_S_ACT_REQ, "ACTIVATION REQUESTED" }, |
| 185 | { LCHAN_S_ACTIVE, "ACTIVE" }, |
| 186 | { LCHAN_S_INACTIVE, "INACTIVE" }, |
| 187 | { LCHAN_S_REL_REQ, "RELEASE REQUESTED" }, |
| 188 | { LCHAN_S_REL_ERR, "RELEASE DUE ERROR" }, |
Holger Hans Peter Freyther | 638da51 | 2012-12-06 19:25:06 +0100 | [diff] [blame] | 189 | { LCHAN_S_BROKEN, "BROKEN UNUSABLE" }, |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 190 | { 0, NULL } |
| 191 | }; |
| 192 | |
| 193 | const char *gsm_lchans_name(enum gsm_lchan_state s) |
| 194 | { |
| 195 | return get_value_string(lchan_s_names, s); |
| 196 | } |
| 197 | |
| 198 | static const struct value_string chreq_names[] = { |
| 199 | { GSM_CHREQ_REASON_EMERG, "EMERGENCY" }, |
| 200 | { GSM_CHREQ_REASON_PAG, "PAGING" }, |
| 201 | { GSM_CHREQ_REASON_CALL, "CALL" }, |
| 202 | { GSM_CHREQ_REASON_LOCATION_UPD,"LOCATION_UPDATE" }, |
| 203 | { GSM_CHREQ_REASON_OTHER, "OTHER" }, |
| 204 | { 0, NULL } |
| 205 | }; |
| 206 | |
| 207 | const char *gsm_chreq_name(enum gsm_chreq_reason_t c) |
| 208 | { |
| 209 | return get_value_string(chreq_names, c); |
| 210 | } |
| 211 | |
Harald Welte | 1449c9f | 2014-08-24 09:50:10 +0200 | [diff] [blame] | 212 | struct gsm_bts *gsm_bts_num(struct gsm_network *net, int num) |
| 213 | { |
| 214 | struct gsm_bts *bts; |
| 215 | |
| 216 | if (num >= net->num_bts) |
| 217 | return NULL; |
| 218 | |
| 219 | llist_for_each_entry(bts, &net->bts_list, list) { |
| 220 | if (bts->nr == num) |
| 221 | return bts; |
| 222 | } |
| 223 | |
| 224 | return NULL; |
| 225 | } |
| 226 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 227 | struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts) |
| 228 | { |
| 229 | struct gsm_bts_trx *trx = talloc_zero(bts, struct gsm_bts_trx); |
| 230 | int k; |
| 231 | |
| 232 | if (!trx) |
| 233 | return NULL; |
| 234 | |
| 235 | trx->bts = bts; |
| 236 | trx->nr = bts->num_trx++; |
| 237 | trx->mo.nm_state.administrative = NM_STATE_UNLOCKED; |
| 238 | |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 239 | gsm_mo_init(&trx->mo, bts, NM_OC_RADIO_CARRIER, |
| 240 | bts->nr, trx->nr, 0xff); |
| 241 | gsm_mo_init(&trx->bb_transc.mo, bts, NM_OC_BASEB_TRANSC, |
| 242 | bts->nr, trx->nr, 0xff); |
Harald Welte | 32bc116 | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 243 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 244 | for (k = 0; k < TRX_NR_TS; k++) { |
| 245 | struct gsm_bts_trx_ts *ts = &trx->ts[k]; |
| 246 | int l; |
| 247 | |
| 248 | ts->trx = trx; |
| 249 | ts->nr = k; |
| 250 | ts->pchan = GSM_PCHAN_NONE; |
Neels Hofmeyr | c165876 | 2016-07-23 16:14:06 +0200 | [diff] [blame] | 251 | ts->dyn.pchan_is = GSM_PCHAN_NONE; |
| 252 | ts->dyn.pchan_want = GSM_PCHAN_NONE; |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 253 | ts->tsc = -1; |
| 254 | |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 255 | gsm_mo_init(&ts->mo, bts, NM_OC_CHANNEL, |
| 256 | bts->nr, trx->nr, ts->nr); |
Harald Welte | 32bc116 | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 257 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 258 | ts->hopping.arfcns.data_len = sizeof(ts->hopping.arfcns_data); |
| 259 | ts->hopping.arfcns.data = ts->hopping.arfcns_data; |
| 260 | ts->hopping.ma.data_len = sizeof(ts->hopping.ma_data); |
| 261 | ts->hopping.ma.data = ts->hopping.ma_data; |
| 262 | |
| 263 | for (l = 0; l < TS_MAX_LCHAN; l++) { |
| 264 | struct gsm_lchan *lchan; |
Harald Welte | c696cc2 | 2015-12-05 16:19:21 +0100 | [diff] [blame] | 265 | char *name; |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 266 | lchan = &ts->lchan[l]; |
| 267 | |
| 268 | lchan->ts = ts; |
| 269 | lchan->nr = l; |
| 270 | lchan->type = GSM_LCHAN_NONE; |
Holger Hans Peter Freyther | 30156e1 | 2013-04-05 18:41:45 +0200 | [diff] [blame] | 271 | |
Harald Welte | c696cc2 | 2015-12-05 16:19:21 +0100 | [diff] [blame] | 272 | name = gsm_lchan_name_compute(lchan); |
| 273 | lchan->name = talloc_strdup(trx, name); |
Holger Hans Peter Freyther | 30156e1 | 2013-04-05 18:41:45 +0200 | [diff] [blame] | 274 | #ifndef ROLE_BSC |
| 275 | INIT_LLIST_HEAD(&lchan->sapi_cmds); |
| 276 | #endif |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 277 | } |
| 278 | } |
| 279 | |
| 280 | if (trx->nr != 0) |
| 281 | trx->nominal_power = bts->c0->nominal_power; |
| 282 | |
| 283 | llist_add_tail(&trx->list, &bts->trx_list); |
| 284 | |
| 285 | return trx; |
| 286 | } |
| 287 | |
Harald Welte | 32bc116 | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 288 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 289 | static const uint8_t bts_nse_timer_default[] = { 3, 3, 3, 3, 30, 3, 10 }; |
| 290 | static const uint8_t bts_cell_timer_default[] = |
| 291 | { 3, 3, 3, 3, 3, 10, 3, 10, 3, 10, 3 }; |
Harald Welte | 019f913 | 2012-06-28 08:43:14 +0200 | [diff] [blame] | 292 | static const struct gprs_rlc_cfg rlc_cfg_default = { |
| 293 | .parameter = { |
| 294 | [RLC_T3142] = 20, |
| 295 | [RLC_T3169] = 5, |
| 296 | [RLC_T3191] = 5, |
Andreas Eversberg | becc89a | 2012-09-23 08:14:51 +0200 | [diff] [blame] | 297 | [RLC_T3193] = 160, /* 10ms */ |
Harald Welte | 019f913 | 2012-06-28 08:43:14 +0200 | [diff] [blame] | 298 | [RLC_T3195] = 5, |
| 299 | [RLC_N3101] = 10, |
| 300 | [RLC_N3103] = 4, |
| 301 | [RLC_N3105] = 8, |
| 302 | [CV_COUNTDOWN] = 15, |
| 303 | [T_DL_TBF_EXT] = 250 * 10, /* ms */ |
| 304 | [T_UL_TBF_EXT] = 250 * 10, /* ms */ |
| 305 | }, |
| 306 | .paging = { |
| 307 | .repeat_time = 5 * 50, /* ms */ |
| 308 | .repeat_count = 3, |
| 309 | }, |
| 310 | .cs_mask = 0x1fff, |
| 311 | .initial_cs = 2, |
| 312 | .initial_mcs = 6, |
| 313 | }; |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 314 | |
| 315 | struct gsm_bts *gsm_bts_alloc(void *ctx) |
| 316 | { |
| 317 | struct gsm_bts *bts = talloc_zero(ctx, struct gsm_bts); |
| 318 | int i; |
| 319 | |
| 320 | if (!bts) |
| 321 | return NULL; |
| 322 | |
| 323 | bts->num_trx = 0; |
| 324 | INIT_LLIST_HEAD(&bts->trx_list); |
| 325 | bts->ms_max_power = 15; /* dBm */ |
| 326 | |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 327 | gsm_mo_init(&bts->mo, bts, NM_OC_BTS, |
| 328 | bts->nr, 0xff, 0xff); |
| 329 | gsm_mo_init(&bts->site_mgr.mo, bts, NM_OC_SITE_MANAGER, |
| 330 | 0xff, 0xff, 0xff); |
Harald Welte | 32bc116 | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 331 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 332 | for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) { |
| 333 | bts->gprs.nsvc[i].bts = bts; |
| 334 | bts->gprs.nsvc[i].id = i; |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 335 | gsm_mo_init(&bts->gprs.nsvc[i].mo, bts, NM_OC_GPRS_NSVC, |
| 336 | bts->nr, i, 0xff); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 337 | } |
| 338 | memcpy(&bts->gprs.nse.timer, bts_nse_timer_default, |
| 339 | sizeof(bts->gprs.nse.timer)); |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 340 | gsm_mo_init(&bts->gprs.nse.mo, bts, NM_OC_GPRS_NSE, |
| 341 | bts->nr, 0xff, 0xff); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 342 | memcpy(&bts->gprs.cell.timer, bts_cell_timer_default, |
| 343 | sizeof(bts->gprs.cell.timer)); |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 344 | gsm_mo_init(&bts->gprs.cell.mo, bts, NM_OC_GPRS_CELL, |
| 345 | bts->nr, 0xff, 0xff); |
Harald Welte | 019f913 | 2012-06-28 08:43:14 +0200 | [diff] [blame] | 346 | memcpy(&bts->gprs.cell.rlc_cfg, &rlc_cfg_default, |
| 347 | sizeof(bts->gprs.cell.rlc_cfg)); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 348 | |
| 349 | /* create our primary TRX */ |
| 350 | bts->c0 = gsm_bts_trx_alloc(bts); |
| 351 | if (!bts->c0) { |
| 352 | talloc_free(bts); |
| 353 | return NULL; |
| 354 | } |
| 355 | bts->c0->ts[0].pchan = GSM_PCHAN_CCCH_SDCCH4; |
| 356 | |
| 357 | bts->rach_b_thresh = -1; |
| 358 | bts->rach_ldavg_slots = -1; |
| 359 | bts->paging.free_chans_need = -1; |
Max | aef6838 | 2017-05-31 12:15:54 +0200 | [diff] [blame] | 360 | bts->features.data = &bts->_features_data[0]; |
| 361 | bts->features.data_len = sizeof(bts->_features_data); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 362 | |
Holger Hans Peter Freyther | b92a538 | 2014-11-21 10:00:39 +0100 | [diff] [blame] | 363 | /* si handling */ |
| 364 | bts->bcch_change_mark = 1; |
| 365 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 366 | return bts; |
| 367 | } |
| 368 | |
Harald Welte | b784998 | 2011-06-29 16:49:03 +0200 | [diff] [blame] | 369 | /* reset the state of all MO in the BTS */ |
| 370 | void gsm_bts_mo_reset(struct gsm_bts *bts) |
| 371 | { |
| 372 | struct gsm_bts_trx *trx; |
| 373 | unsigned int i; |
| 374 | |
| 375 | gsm_abis_mo_reset(&bts->mo); |
| 376 | gsm_abis_mo_reset(&bts->site_mgr.mo); |
| 377 | for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) |
| 378 | gsm_abis_mo_reset(&bts->gprs.nsvc[i].mo); |
| 379 | gsm_abis_mo_reset(&bts->gprs.nse.mo); |
| 380 | gsm_abis_mo_reset(&bts->gprs.cell.mo); |
| 381 | |
| 382 | llist_for_each_entry(trx, &bts->trx_list, list) { |
| 383 | gsm_abis_mo_reset(&trx->mo); |
| 384 | gsm_abis_mo_reset(&trx->bb_transc.mo); |
| 385 | |
| 386 | for (i = 0; i < ARRAY_SIZE(trx->ts); i++) { |
| 387 | struct gsm_bts_trx_ts *ts = &trx->ts[i]; |
| 388 | gsm_abis_mo_reset(&ts->mo); |
| 389 | } |
| 390 | } |
| 391 | } |
| 392 | |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 393 | struct gsm_bts_trx *gsm_bts_trx_num(const struct gsm_bts *bts, int num) |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 394 | { |
| 395 | struct gsm_bts_trx *trx; |
| 396 | |
| 397 | if (num >= bts->num_trx) |
| 398 | return NULL; |
| 399 | |
| 400 | llist_for_each_entry(trx, &bts->trx_list, list) { |
| 401 | if (trx->nr == num) |
| 402 | return trx; |
| 403 | } |
| 404 | |
| 405 | return NULL; |
| 406 | } |
| 407 | |
| 408 | static char ts2str[255]; |
| 409 | |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 410 | char *gsm_trx_name(const struct gsm_bts_trx *trx) |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 411 | { |
Neels Hofmeyr | 756fb30 | 2016-10-10 03:26:34 +0200 | [diff] [blame] | 412 | if (!trx) |
| 413 | snprintf(ts2str, sizeof(ts2str), "(trx=NULL)"); |
| 414 | else |
| 415 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d)", |
| 416 | trx->bts->nr, trx->nr); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 417 | |
| 418 | return ts2str; |
| 419 | } |
| 420 | |
| 421 | |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 422 | char *gsm_ts_name(const struct gsm_bts_trx_ts *ts) |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 423 | { |
| 424 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d)", |
| 425 | ts->trx->bts->nr, ts->trx->nr, ts->nr); |
| 426 | |
| 427 | return ts2str; |
| 428 | } |
| 429 | |
Neels Hofmeyr | 34b8b5b | 2016-07-16 23:59:32 +0200 | [diff] [blame] | 430 | /*! Log timeslot number with full pchan information */ |
| 431 | char *gsm_ts_and_pchan_name(const struct gsm_bts_trx_ts *ts) |
| 432 | { |
| 433 | switch (ts->pchan) { |
| 434 | case GSM_PCHAN_TCH_F_TCH_H_PDCH: |
| 435 | if (ts->dyn.pchan_is == ts->dyn.pchan_want) |
| 436 | snprintf(ts2str, sizeof(ts2str), |
| 437 | "(bts=%d,trx=%d,ts=%d,pchan=%s as %s)", |
| 438 | ts->trx->bts->nr, ts->trx->nr, ts->nr, |
| 439 | gsm_pchan_name(ts->pchan), |
| 440 | gsm_pchan_name(ts->dyn.pchan_is)); |
| 441 | else |
| 442 | snprintf(ts2str, sizeof(ts2str), |
| 443 | "(bts=%d,trx=%d,ts=%d,pchan=%s" |
| 444 | " switching %s -> %s)", |
| 445 | ts->trx->bts->nr, ts->trx->nr, ts->nr, |
| 446 | gsm_pchan_name(ts->pchan), |
| 447 | gsm_pchan_name(ts->dyn.pchan_is), |
| 448 | gsm_pchan_name(ts->dyn.pchan_want)); |
| 449 | break; |
| 450 | case GSM_PCHAN_TCH_F_PDCH: |
| 451 | if ((ts->flags & TS_F_PDCH_PENDING_MASK) == 0) |
| 452 | snprintf(ts2str, sizeof(ts2str), |
| 453 | "(bts=%d,trx=%d,ts=%d,pchan=%s as %s)", |
| 454 | ts->trx->bts->nr, ts->trx->nr, ts->nr, |
| 455 | gsm_pchan_name(ts->pchan), |
| 456 | (ts->flags & TS_F_PDCH_ACTIVE)? "PDCH" |
| 457 | : "TCH/F"); |
| 458 | else |
| 459 | snprintf(ts2str, sizeof(ts2str), |
| 460 | "(bts=%d,trx=%d,ts=%d,pchan=%s" |
| 461 | " switching %s -> %s)", |
| 462 | ts->trx->bts->nr, ts->trx->nr, ts->nr, |
| 463 | gsm_pchan_name(ts->pchan), |
| 464 | (ts->flags & TS_F_PDCH_ACTIVE)? "PDCH" |
| 465 | : "TCH/F", |
| 466 | (ts->flags & TS_F_PDCH_ACT_PENDING)? "PDCH" |
| 467 | : "TCH/F"); |
| 468 | break; |
| 469 | default: |
| 470 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d,pchan=%s)", |
| 471 | ts->trx->bts->nr, ts->trx->nr, ts->nr, |
| 472 | gsm_pchan_name(ts->pchan)); |
| 473 | break; |
| 474 | } |
| 475 | |
| 476 | return ts2str; |
| 477 | } |
| 478 | |
Harald Welte | c696cc2 | 2015-12-05 16:19:21 +0100 | [diff] [blame] | 479 | char *gsm_lchan_name_compute(const struct gsm_lchan *lchan) |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 480 | { |
| 481 | struct gsm_bts_trx_ts *ts = lchan->ts; |
| 482 | |
| 483 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d,ss=%d)", |
| 484 | ts->trx->bts->nr, ts->trx->nr, ts->nr, lchan->nr); |
| 485 | |
| 486 | return ts2str; |
| 487 | } |
Harald Welte | 978714d | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 488 | |
| 489 | /* obtain the MO structure for a given object instance */ |
| 490 | struct gsm_abis_mo * |
| 491 | gsm_objclass2mo(struct gsm_bts *bts, uint8_t obj_class, |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 492 | const struct abis_om_obj_inst *obj_inst) |
Harald Welte | 978714d | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 493 | { |
| 494 | struct gsm_bts_trx *trx; |
| 495 | struct gsm_abis_mo *mo = NULL; |
| 496 | |
| 497 | switch (obj_class) { |
| 498 | case NM_OC_BTS: |
| 499 | mo = &bts->mo; |
| 500 | break; |
| 501 | case NM_OC_RADIO_CARRIER: |
| 502 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 503 | return NULL; |
| 504 | } |
| 505 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 506 | mo = &trx->mo; |
| 507 | break; |
| 508 | case NM_OC_BASEB_TRANSC: |
| 509 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 510 | return NULL; |
| 511 | } |
| 512 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 513 | mo = &trx->bb_transc.mo; |
| 514 | break; |
| 515 | case NM_OC_CHANNEL: |
| 516 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 517 | return NULL; |
| 518 | } |
| 519 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 520 | if (obj_inst->ts_nr >= TRX_NR_TS) |
| 521 | return NULL; |
| 522 | mo = &trx->ts[obj_inst->ts_nr].mo; |
| 523 | break; |
| 524 | case NM_OC_SITE_MANAGER: |
| 525 | mo = &bts->site_mgr.mo; |
| 526 | break; |
| 527 | case NM_OC_BS11: |
| 528 | switch (obj_inst->bts_nr) { |
| 529 | case BS11_OBJ_CCLK: |
| 530 | mo = &bts->bs11.cclk.mo; |
| 531 | break; |
| 532 | case BS11_OBJ_BBSIG: |
| 533 | if (obj_inst->ts_nr > bts->num_trx) |
| 534 | return NULL; |
| 535 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 536 | mo = &trx->bs11.bbsig.mo; |
| 537 | break; |
| 538 | case BS11_OBJ_PA: |
| 539 | if (obj_inst->ts_nr > bts->num_trx) |
| 540 | return NULL; |
| 541 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 542 | mo = &trx->bs11.pa.mo; |
| 543 | break; |
| 544 | default: |
| 545 | return NULL; |
| 546 | } |
Holger Hans Peter Freyther | cb5353d | 2013-07-14 07:55:53 +0200 | [diff] [blame] | 547 | break; |
Harald Welte | 978714d | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 548 | case NM_OC_BS11_RACK: |
| 549 | mo = &bts->bs11.rack.mo; |
| 550 | break; |
| 551 | case NM_OC_BS11_ENVABTSE: |
| 552 | if (obj_inst->trx_nr >= ARRAY_SIZE(bts->bs11.envabtse)) |
| 553 | return NULL; |
| 554 | mo = &bts->bs11.envabtse[obj_inst->trx_nr].mo; |
| 555 | break; |
| 556 | case NM_OC_GPRS_NSE: |
| 557 | mo = &bts->gprs.nse.mo; |
| 558 | break; |
| 559 | case NM_OC_GPRS_CELL: |
| 560 | mo = &bts->gprs.cell.mo; |
| 561 | break; |
| 562 | case NM_OC_GPRS_NSVC: |
| 563 | if (obj_inst->trx_nr >= ARRAY_SIZE(bts->gprs.nsvc)) |
| 564 | return NULL; |
| 565 | mo = &bts->gprs.nsvc[obj_inst->trx_nr].mo; |
| 566 | break; |
| 567 | } |
| 568 | return mo; |
| 569 | } |
| 570 | |
| 571 | /* obtain the gsm_nm_state data structure for a given object instance */ |
| 572 | struct gsm_nm_state * |
| 573 | gsm_objclass2nmstate(struct gsm_bts *bts, uint8_t obj_class, |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 574 | const struct abis_om_obj_inst *obj_inst) |
Harald Welte | 978714d | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 575 | { |
| 576 | struct gsm_abis_mo *mo; |
| 577 | |
| 578 | mo = gsm_objclass2mo(bts, obj_class, obj_inst); |
| 579 | if (!mo) |
| 580 | return NULL; |
| 581 | |
| 582 | return &mo->nm_state; |
| 583 | } |
| 584 | |
| 585 | /* obtain the in-memory data structure of a given object instance */ |
| 586 | void * |
| 587 | gsm_objclass2obj(struct gsm_bts *bts, uint8_t obj_class, |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 588 | const struct abis_om_obj_inst *obj_inst) |
Harald Welte | 978714d | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 589 | { |
| 590 | struct gsm_bts_trx *trx; |
| 591 | void *obj = NULL; |
| 592 | |
| 593 | switch (obj_class) { |
| 594 | case NM_OC_BTS: |
| 595 | obj = bts; |
| 596 | break; |
| 597 | case NM_OC_RADIO_CARRIER: |
| 598 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 599 | return NULL; |
| 600 | } |
| 601 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 602 | obj = trx; |
| 603 | break; |
| 604 | case NM_OC_BASEB_TRANSC: |
| 605 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 606 | return NULL; |
| 607 | } |
| 608 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 609 | obj = &trx->bb_transc; |
| 610 | break; |
| 611 | case NM_OC_CHANNEL: |
| 612 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 613 | return NULL; |
| 614 | } |
| 615 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 616 | if (obj_inst->ts_nr >= TRX_NR_TS) |
| 617 | return NULL; |
| 618 | obj = &trx->ts[obj_inst->ts_nr]; |
| 619 | break; |
| 620 | case NM_OC_SITE_MANAGER: |
| 621 | obj = &bts->site_mgr; |
| 622 | break; |
| 623 | case NM_OC_GPRS_NSE: |
| 624 | obj = &bts->gprs.nse; |
| 625 | break; |
| 626 | case NM_OC_GPRS_CELL: |
| 627 | obj = &bts->gprs.cell; |
| 628 | break; |
| 629 | case NM_OC_GPRS_NSVC: |
| 630 | if (obj_inst->trx_nr >= ARRAY_SIZE(bts->gprs.nsvc)) |
| 631 | return NULL; |
| 632 | obj = &bts->gprs.nsvc[obj_inst->trx_nr]; |
| 633 | break; |
| 634 | } |
| 635 | return obj; |
| 636 | } |
Harald Welte | f6093a4 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 637 | |
| 638 | /* See Table 10.5.25 of GSM04.08 */ |
Neels Hofmeyr | d384110 | 2016-07-18 23:43:44 +0200 | [diff] [blame] | 639 | uint8_t gsm_pchan2chan_nr(enum gsm_phys_chan_config pchan, |
| 640 | uint8_t ts_nr, uint8_t lchan_nr) |
Harald Welte | f6093a4 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 641 | { |
| 642 | uint8_t cbits, chan_nr; |
| 643 | |
Neels Hofmeyr | d384110 | 2016-07-18 23:43:44 +0200 | [diff] [blame] | 644 | switch (pchan) { |
Harald Welte | f6093a4 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 645 | case GSM_PCHAN_TCH_F: |
| 646 | case GSM_PCHAN_PDCH: |
| 647 | case GSM_PCHAN_TCH_F_PDCH: |
Neels Hofmeyr | ec1b5a0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 648 | OSMO_ASSERT(lchan_nr == 0); |
Harald Welte | f6093a4 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 649 | cbits = 0x01; |
| 650 | break; |
| 651 | case GSM_PCHAN_TCH_H: |
Neels Hofmeyr | ec1b5a0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 652 | OSMO_ASSERT(lchan_nr < 2); |
Harald Welte | f6093a4 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 653 | cbits = 0x02; |
| 654 | cbits += lchan_nr; |
| 655 | break; |
| 656 | case GSM_PCHAN_CCCH_SDCCH4: |
Harald Welte | 30f1f37 | 2014-12-28 15:00:45 +0100 | [diff] [blame] | 657 | case GSM_PCHAN_CCCH_SDCCH4_CBCH: |
Neels Hofmeyr | ec1b5a0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 658 | /* |
| 659 | * As a special hack for BCCH, lchan_nr == 4 may be passed |
Neels Hofmeyr | b6f565c | 2016-08-09 11:15:37 +0200 | [diff] [blame] | 660 | * here. This should never be sent in an RSL message. |
| 661 | * See osmo-bts-xxx/oml.c:opstart_compl(). |
Neels Hofmeyr | ec1b5a0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 662 | */ |
Max | 582e4f6 | 2016-10-18 16:19:33 +0200 | [diff] [blame] | 663 | if (lchan_nr == CCCH_LCHAN) |
Neels Hofmeyr | ec1b5a0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 664 | chan_nr = 0; |
Neels Hofmeyr | b6f565c | 2016-08-09 11:15:37 +0200 | [diff] [blame] | 665 | else |
| 666 | OSMO_ASSERT(lchan_nr < 4); |
Harald Welte | f6093a4 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 667 | cbits = 0x04; |
| 668 | cbits += lchan_nr; |
| 669 | break; |
| 670 | case GSM_PCHAN_SDCCH8_SACCH8C: |
Harald Welte | 30f1f37 | 2014-12-28 15:00:45 +0100 | [diff] [blame] | 671 | case GSM_PCHAN_SDCCH8_SACCH8C_CBCH: |
Neels Hofmeyr | ec1b5a0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 672 | OSMO_ASSERT(lchan_nr < 8); |
Harald Welte | f6093a4 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 673 | cbits = 0x08; |
| 674 | cbits += lchan_nr; |
| 675 | break; |
| 676 | default: |
| 677 | case GSM_PCHAN_CCCH: |
Neels Hofmeyr | 2f44693 | 2016-08-08 17:51:19 +0200 | [diff] [blame] | 678 | #ifdef ROLE_BSC |
Neels Hofmeyr | ec1b5a0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 679 | OSMO_ASSERT(lchan_nr == 0); |
Neels Hofmeyr | 2f44693 | 2016-08-08 17:51:19 +0200 | [diff] [blame] | 680 | #else |
| 681 | /* |
| 682 | * FIXME: On octphy and litecell, we hit above assertion (see |
| 683 | * Max's comment at https://gerrit.osmocom.org/589 ); disabled |
| 684 | * for BTS until this is clarified; remove the #ifdef when it |
| 685 | * is fixed. |
| 686 | */ |
| 687 | #warning "fix caller that passes lchan_nr != 0" |
| 688 | #endif |
Harald Welte | f6093a4 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 689 | cbits = 0x10; |
| 690 | break; |
| 691 | } |
| 692 | |
Neels Hofmeyr | d384110 | 2016-07-18 23:43:44 +0200 | [diff] [blame] | 693 | chan_nr = (cbits << 3) | (ts_nr & 0x7); |
Harald Welte | f6093a4 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 694 | |
| 695 | return chan_nr; |
| 696 | } |
| 697 | |
| 698 | uint8_t gsm_lchan2chan_nr(const struct gsm_lchan *lchan) |
| 699 | { |
Neels Hofmeyr | 4673b86 | 2016-07-23 20:18:40 +0200 | [diff] [blame] | 700 | enum gsm_phys_chan_config pchan = lchan->ts->pchan; |
| 701 | if (pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH) |
| 702 | return gsm_lchan_as_pchan2chan_nr(lchan, |
| 703 | lchan->ts->dyn.pchan_is); |
Neels Hofmeyr | d384110 | 2016-07-18 23:43:44 +0200 | [diff] [blame] | 704 | return gsm_pchan2chan_nr(lchan->ts->pchan, lchan->ts->nr, lchan->nr); |
| 705 | } |
| 706 | |
| 707 | uint8_t gsm_lchan_as_pchan2chan_nr(const struct gsm_lchan *lchan, |
| 708 | enum gsm_phys_chan_config as_pchan) |
| 709 | { |
Neels Hofmeyr | 4673b86 | 2016-07-23 20:18:40 +0200 | [diff] [blame] | 710 | if (lchan->ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH |
| 711 | && as_pchan == GSM_PCHAN_PDCH) |
| 712 | return RSL_CHAN_OSMO_PDCH | (lchan->ts->nr & ~RSL_CHAN_NR_MASK); |
Neels Hofmeyr | d384110 | 2016-07-18 23:43:44 +0200 | [diff] [blame] | 713 | return gsm_pchan2chan_nr(as_pchan, lchan->ts->nr, lchan->nr); |
Harald Welte | f6093a4 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 714 | } |
Harald Welte | 142d12d | 2014-12-29 17:47:08 +0100 | [diff] [blame] | 715 | |
| 716 | /* return the gsm_lchan for the CBCH (if it exists at all) */ |
| 717 | struct gsm_lchan *gsm_bts_get_cbch(struct gsm_bts *bts) |
| 718 | { |
| 719 | struct gsm_lchan *lchan = NULL; |
| 720 | struct gsm_bts_trx *trx = bts->c0; |
| 721 | |
| 722 | if (trx->ts[0].pchan == GSM_PCHAN_CCCH_SDCCH4_CBCH) |
| 723 | lchan = &trx->ts[0].lchan[2]; |
| 724 | else { |
| 725 | int i; |
| 726 | for (i = 0; i < 8; i++) { |
| 727 | if (trx->ts[i].pchan == GSM_PCHAN_SDCCH8_SACCH8C_CBCH) { |
| 728 | lchan = &trx->ts[i].lchan[2]; |
| 729 | break; |
| 730 | } |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | return lchan; |
| 735 | } |
Neels Hofmeyr | 7458572 | 2016-07-23 17:38:22 +0200 | [diff] [blame] | 736 | |
| 737 | /* determine logical channel based on TRX and channel number IE */ |
| 738 | struct gsm_lchan *rsl_lchan_lookup(struct gsm_bts_trx *trx, uint8_t chan_nr, |
| 739 | int *rc) |
| 740 | { |
| 741 | uint8_t ts_nr = chan_nr & 0x07; |
| 742 | uint8_t cbits = chan_nr >> 3; |
| 743 | uint8_t lch_idx; |
| 744 | struct gsm_bts_trx_ts *ts = &trx->ts[ts_nr]; |
| 745 | bool ok = true; |
| 746 | |
| 747 | if (rc) |
| 748 | *rc = -EINVAL; |
| 749 | |
| 750 | if (cbits == 0x01) { |
| 751 | lch_idx = 0; /* TCH/F */ |
| 752 | if (ts->pchan != GSM_PCHAN_TCH_F && |
| 753 | ts->pchan != GSM_PCHAN_PDCH && |
Neels Hofmeyr | f58852d | 2016-07-23 17:57:53 +0200 | [diff] [blame] | 754 | ts->pchan != GSM_PCHAN_TCH_F_PDCH |
| 755 | && !(ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH |
| 756 | && (ts->dyn.pchan_is == GSM_PCHAN_TCH_F |
| 757 | || ts->dyn.pchan_want == GSM_PCHAN_TCH_F))) |
Neels Hofmeyr | 7458572 | 2016-07-23 17:38:22 +0200 | [diff] [blame] | 758 | ok = false; |
| 759 | } else if ((cbits & 0x1e) == 0x02) { |
| 760 | lch_idx = cbits & 0x1; /* TCH/H */ |
Neels Hofmeyr | f58852d | 2016-07-23 17:57:53 +0200 | [diff] [blame] | 761 | if (ts->pchan != GSM_PCHAN_TCH_H |
| 762 | && !(ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH |
| 763 | && (ts->dyn.pchan_is == GSM_PCHAN_TCH_H |
| 764 | || ts->dyn.pchan_want == GSM_PCHAN_TCH_H))) |
Neels Hofmeyr | 7458572 | 2016-07-23 17:38:22 +0200 | [diff] [blame] | 765 | ok = false; |
| 766 | } else if ((cbits & 0x1c) == 0x04) { |
| 767 | lch_idx = cbits & 0x3; /* SDCCH/4 */ |
| 768 | if (ts->pchan != GSM_PCHAN_CCCH_SDCCH4 && |
| 769 | ts->pchan != GSM_PCHAN_CCCH_SDCCH4_CBCH) |
| 770 | ok = false; |
| 771 | } else if ((cbits & 0x18) == 0x08) { |
| 772 | lch_idx = cbits & 0x7; /* SDCCH/8 */ |
| 773 | if (ts->pchan != GSM_PCHAN_SDCCH8_SACCH8C && |
| 774 | ts->pchan != GSM_PCHAN_SDCCH8_SACCH8C_CBCH) |
| 775 | ok = false; |
| 776 | } else if (cbits == 0x10 || cbits == 0x11 || cbits == 0x12) { |
| 777 | lch_idx = 0; |
| 778 | if (ts->pchan != GSM_PCHAN_CCCH && |
| 779 | ts->pchan != GSM_PCHAN_CCCH_SDCCH4 && |
| 780 | ts->pchan != GSM_PCHAN_CCCH_SDCCH4_CBCH) |
| 781 | ok = false; |
| 782 | /* FIXME: we should not return first sdcch4 !!! */ |
Neels Hofmeyr | f58852d | 2016-07-23 17:57:53 +0200 | [diff] [blame] | 783 | } else if ((chan_nr & RSL_CHAN_NR_MASK) == RSL_CHAN_OSMO_PDCH) { |
| 784 | lch_idx = 0; |
| 785 | if (ts->pchan != GSM_PCHAN_TCH_F_TCH_H_PDCH) |
| 786 | ok = false; |
Neels Hofmeyr | 7458572 | 2016-07-23 17:38:22 +0200 | [diff] [blame] | 787 | } else |
| 788 | return NULL; |
| 789 | |
| 790 | if (rc && ok) |
| 791 | *rc = 0; |
| 792 | |
| 793 | return &ts->lchan[lch_idx]; |
| 794 | } |
Neels Hofmeyr | 76a0ad7 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 795 | |
| 796 | static const uint8_t subslots_per_pchan[] = { |
| 797 | [GSM_PCHAN_NONE] = 0, |
| 798 | [GSM_PCHAN_CCCH] = 0, |
Neels Hofmeyr | c3f72f6 | 2016-09-25 15:33:02 +0200 | [diff] [blame] | 799 | [GSM_PCHAN_PDCH] = 0, |
Neels Hofmeyr | 76a0ad7 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 800 | [GSM_PCHAN_CCCH_SDCCH4] = 4, |
| 801 | [GSM_PCHAN_TCH_F] = 1, |
| 802 | [GSM_PCHAN_TCH_H] = 2, |
| 803 | [GSM_PCHAN_SDCCH8_SACCH8C] = 8, |
Neels Hofmeyr | 76a0ad7 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 804 | [GSM_PCHAN_CCCH_SDCCH4_CBCH] = 4, |
| 805 | [GSM_PCHAN_SDCCH8_SACCH8C_CBCH] = 8, |
| 806 | /* |
Neels Hofmeyr | c3f72f6 | 2016-09-25 15:33:02 +0200 | [diff] [blame] | 807 | * GSM_PCHAN_TCH_F_PDCH and GSM_PCHAN_TCH_F_TCH_H_PDCH should not be |
| 808 | * part of this, those TS are handled according to their dynamic state. |
Neels Hofmeyr | 76a0ad7 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 809 | */ |
| 810 | }; |
| 811 | |
Neels Hofmeyr | c3f72f6 | 2016-09-25 15:33:02 +0200 | [diff] [blame] | 812 | /*! Return the actual pchan type, also heeding dynamic TS. */ |
Neels Hofmeyr | ec16c16 | 2016-10-17 01:03:53 +0200 | [diff] [blame] | 813 | enum gsm_phys_chan_config ts_pchan(struct gsm_bts_trx_ts *ts) |
Neels Hofmeyr | c3f72f6 | 2016-09-25 15:33:02 +0200 | [diff] [blame] | 814 | { |
| 815 | switch (ts->pchan) { |
| 816 | case GSM_PCHAN_TCH_F_TCH_H_PDCH: |
| 817 | return ts->dyn.pchan_is; |
| 818 | case GSM_PCHAN_TCH_F_PDCH: |
| 819 | if (ts->flags & TS_F_PDCH_ACTIVE) |
| 820 | return GSM_PCHAN_PDCH; |
| 821 | else |
| 822 | return GSM_PCHAN_TCH_F; |
| 823 | default: |
| 824 | return ts->pchan; |
| 825 | } |
| 826 | } |
| 827 | |
Neels Hofmeyr | 76a0ad7 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 828 | /*! According to ts->pchan and possibly ts->dyn_pchan, return the number of |
| 829 | * logical channels available in the timeslot. */ |
| 830 | uint8_t ts_subslots(struct gsm_bts_trx_ts *ts) |
| 831 | { |
Neels Hofmeyr | c3f72f6 | 2016-09-25 15:33:02 +0200 | [diff] [blame] | 832 | return subslots_per_pchan[ts_pchan(ts)]; |
Neels Hofmeyr | 76a0ad7 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 833 | } |
Neels Hofmeyr | 255dbfe | 2016-09-25 15:07:01 +0200 | [diff] [blame] | 834 | |
| 835 | static bool pchan_is_tch(enum gsm_phys_chan_config pchan) |
| 836 | { |
| 837 | switch (pchan) { |
| 838 | case GSM_PCHAN_TCH_F: |
| 839 | case GSM_PCHAN_TCH_H: |
| 840 | return true; |
| 841 | default: |
| 842 | return false; |
| 843 | } |
| 844 | } |
| 845 | |
| 846 | bool ts_is_tch(struct gsm_bts_trx_ts *ts) |
| 847 | { |
| 848 | return pchan_is_tch(ts_pchan(ts)); |
| 849 | } |