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 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 54 | static const struct value_string pchan_names[] = { |
| 55 | { GSM_PCHAN_NONE, "NONE" }, |
| 56 | { GSM_PCHAN_CCCH, "CCCH" }, |
| 57 | { GSM_PCHAN_CCCH_SDCCH4,"CCCH+SDCCH4" }, |
| 58 | { GSM_PCHAN_TCH_F, "TCH/F" }, |
| 59 | { GSM_PCHAN_TCH_H, "TCH/H" }, |
| 60 | { GSM_PCHAN_SDCCH8_SACCH8C, "SDCCH8" }, |
| 61 | { GSM_PCHAN_PDCH, "PDCH" }, |
| 62 | { GSM_PCHAN_TCH_F_PDCH, "TCH/F_PDCH" }, |
| 63 | { GSM_PCHAN_UNKNOWN, "UNKNOWN" }, |
| 64 | { 0, NULL } |
| 65 | }; |
| 66 | |
| 67 | const char *gsm_pchan_name(enum gsm_phys_chan_config c) |
| 68 | { |
| 69 | return get_value_string(pchan_names, c); |
| 70 | } |
| 71 | |
| 72 | enum gsm_phys_chan_config gsm_pchan_parse(const char *name) |
| 73 | { |
| 74 | return get_string_value(pchan_names, name); |
| 75 | } |
| 76 | |
| 77 | static const struct value_string lchant_names[] = { |
| 78 | { GSM_LCHAN_NONE, "NONE" }, |
| 79 | { GSM_LCHAN_SDCCH, "SDCCH" }, |
| 80 | { GSM_LCHAN_TCH_F, "TCH/F" }, |
| 81 | { GSM_LCHAN_TCH_H, "TCH/H" }, |
| 82 | { GSM_LCHAN_UNKNOWN, "UNKNOWN" }, |
| 83 | { 0, NULL } |
| 84 | }; |
| 85 | |
| 86 | const char *gsm_lchant_name(enum gsm_chan_t c) |
| 87 | { |
| 88 | return get_value_string(lchant_names, c); |
| 89 | } |
| 90 | |
| 91 | static const struct value_string lchan_s_names[] = { |
| 92 | { LCHAN_S_NONE, "NONE" }, |
| 93 | { LCHAN_S_ACT_REQ, "ACTIVATION REQUESTED" }, |
| 94 | { LCHAN_S_ACTIVE, "ACTIVE" }, |
| 95 | { LCHAN_S_INACTIVE, "INACTIVE" }, |
| 96 | { LCHAN_S_REL_REQ, "RELEASE REQUESTED" }, |
| 97 | { LCHAN_S_REL_ERR, "RELEASE DUE ERROR" }, |
| 98 | { 0, NULL } |
| 99 | }; |
| 100 | |
| 101 | const char *gsm_lchans_name(enum gsm_lchan_state s) |
| 102 | { |
| 103 | return get_value_string(lchan_s_names, s); |
| 104 | } |
| 105 | |
| 106 | static const struct value_string chreq_names[] = { |
| 107 | { GSM_CHREQ_REASON_EMERG, "EMERGENCY" }, |
| 108 | { GSM_CHREQ_REASON_PAG, "PAGING" }, |
| 109 | { GSM_CHREQ_REASON_CALL, "CALL" }, |
| 110 | { GSM_CHREQ_REASON_LOCATION_UPD,"LOCATION_UPDATE" }, |
| 111 | { GSM_CHREQ_REASON_OTHER, "OTHER" }, |
| 112 | { 0, NULL } |
| 113 | }; |
| 114 | |
| 115 | const char *gsm_chreq_name(enum gsm_chreq_reason_t c) |
| 116 | { |
| 117 | return get_value_string(chreq_names, c); |
| 118 | } |
| 119 | |
| 120 | struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts) |
| 121 | { |
| 122 | struct gsm_bts_trx *trx = talloc_zero(bts, struct gsm_bts_trx); |
| 123 | int k; |
| 124 | |
| 125 | if (!trx) |
| 126 | return NULL; |
| 127 | |
| 128 | trx->bts = bts; |
| 129 | trx->nr = bts->num_trx++; |
| 130 | trx->mo.nm_state.administrative = NM_STATE_UNLOCKED; |
| 131 | |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 132 | gsm_mo_init(&trx->mo, bts, NM_OC_RADIO_CARRIER, |
| 133 | bts->nr, trx->nr, 0xff); |
| 134 | gsm_mo_init(&trx->bb_transc.mo, bts, NM_OC_BASEB_TRANSC, |
| 135 | bts->nr, trx->nr, 0xff); |
Harald Welte | 32bc116 | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 136 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 137 | for (k = 0; k < TRX_NR_TS; k++) { |
| 138 | struct gsm_bts_trx_ts *ts = &trx->ts[k]; |
| 139 | int l; |
| 140 | |
| 141 | ts->trx = trx; |
| 142 | ts->nr = k; |
| 143 | ts->pchan = GSM_PCHAN_NONE; |
| 144 | ts->tsc = -1; |
| 145 | |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 146 | gsm_mo_init(&ts->mo, bts, NM_OC_CHANNEL, |
| 147 | bts->nr, trx->nr, ts->nr); |
Harald Welte | 32bc116 | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 148 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 149 | ts->hopping.arfcns.data_len = sizeof(ts->hopping.arfcns_data); |
| 150 | ts->hopping.arfcns.data = ts->hopping.arfcns_data; |
| 151 | ts->hopping.ma.data_len = sizeof(ts->hopping.ma_data); |
| 152 | ts->hopping.ma.data = ts->hopping.ma_data; |
| 153 | |
| 154 | for (l = 0; l < TS_MAX_LCHAN; l++) { |
| 155 | struct gsm_lchan *lchan; |
| 156 | lchan = &ts->lchan[l]; |
| 157 | |
| 158 | lchan->ts = ts; |
| 159 | lchan->nr = l; |
| 160 | lchan->type = GSM_LCHAN_NONE; |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | if (trx->nr != 0) |
| 165 | trx->nominal_power = bts->c0->nominal_power; |
| 166 | |
| 167 | llist_add_tail(&trx->list, &bts->trx_list); |
| 168 | |
| 169 | return trx; |
| 170 | } |
| 171 | |
Harald Welte | 32bc116 | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 172 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 173 | static const uint8_t bts_nse_timer_default[] = { 3, 3, 3, 3, 30, 3, 10 }; |
| 174 | static const uint8_t bts_cell_timer_default[] = |
| 175 | { 3, 3, 3, 3, 3, 10, 3, 10, 3, 10, 3 }; |
| 176 | |
| 177 | struct gsm_bts *gsm_bts_alloc(void *ctx) |
| 178 | { |
| 179 | struct gsm_bts *bts = talloc_zero(ctx, struct gsm_bts); |
| 180 | int i; |
| 181 | |
| 182 | if (!bts) |
| 183 | return NULL; |
| 184 | |
| 185 | bts->num_trx = 0; |
| 186 | INIT_LLIST_HEAD(&bts->trx_list); |
| 187 | bts->ms_max_power = 15; /* dBm */ |
| 188 | |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 189 | gsm_mo_init(&bts->mo, bts, NM_OC_BTS, |
| 190 | bts->nr, 0xff, 0xff); |
| 191 | gsm_mo_init(&bts->site_mgr.mo, bts, NM_OC_SITE_MANAGER, |
| 192 | 0xff, 0xff, 0xff); |
Harald Welte | 32bc116 | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 193 | |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 194 | for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) { |
| 195 | bts->gprs.nsvc[i].bts = bts; |
| 196 | bts->gprs.nsvc[i].id = i; |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 197 | gsm_mo_init(&bts->gprs.nsvc[i].mo, bts, NM_OC_GPRS_NSVC, |
| 198 | bts->nr, i, 0xff); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 199 | } |
| 200 | memcpy(&bts->gprs.nse.timer, bts_nse_timer_default, |
| 201 | sizeof(bts->gprs.nse.timer)); |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 202 | gsm_mo_init(&bts->gprs.nse.mo, bts, NM_OC_GPRS_NSE, |
| 203 | bts->nr, 0xff, 0xff); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 204 | memcpy(&bts->gprs.cell.timer, bts_cell_timer_default, |
| 205 | sizeof(bts->gprs.cell.timer)); |
Harald Welte | 850dc6b | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 206 | gsm_mo_init(&bts->gprs.cell.mo, bts, NM_OC_GPRS_CELL, |
| 207 | bts->nr, 0xff, 0xff); |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 208 | |
| 209 | /* create our primary TRX */ |
| 210 | bts->c0 = gsm_bts_trx_alloc(bts); |
| 211 | if (!bts->c0) { |
| 212 | talloc_free(bts); |
| 213 | return NULL; |
| 214 | } |
| 215 | bts->c0->ts[0].pchan = GSM_PCHAN_CCCH_SDCCH4; |
| 216 | |
| 217 | bts->rach_b_thresh = -1; |
| 218 | bts->rach_ldavg_slots = -1; |
| 219 | bts->paging.free_chans_need = -1; |
| 220 | |
| 221 | return bts; |
| 222 | } |
| 223 | |
Harald Welte | b784998 | 2011-06-29 16:49:03 +0200 | [diff] [blame] | 224 | /* reset the state of all MO in the BTS */ |
| 225 | void gsm_bts_mo_reset(struct gsm_bts *bts) |
| 226 | { |
| 227 | struct gsm_bts_trx *trx; |
| 228 | unsigned int i; |
| 229 | |
| 230 | gsm_abis_mo_reset(&bts->mo); |
| 231 | gsm_abis_mo_reset(&bts->site_mgr.mo); |
| 232 | for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) |
| 233 | gsm_abis_mo_reset(&bts->gprs.nsvc[i].mo); |
| 234 | gsm_abis_mo_reset(&bts->gprs.nse.mo); |
| 235 | gsm_abis_mo_reset(&bts->gprs.cell.mo); |
| 236 | |
| 237 | llist_for_each_entry(trx, &bts->trx_list, list) { |
| 238 | gsm_abis_mo_reset(&trx->mo); |
| 239 | gsm_abis_mo_reset(&trx->bb_transc.mo); |
| 240 | |
| 241 | for (i = 0; i < ARRAY_SIZE(trx->ts); i++) { |
| 242 | struct gsm_bts_trx_ts *ts = &trx->ts[i]; |
| 243 | gsm_abis_mo_reset(&ts->mo); |
| 244 | } |
| 245 | } |
| 246 | } |
| 247 | |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 248 | 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] | 249 | { |
| 250 | struct gsm_bts_trx *trx; |
| 251 | |
| 252 | if (num >= bts->num_trx) |
| 253 | return NULL; |
| 254 | |
| 255 | llist_for_each_entry(trx, &bts->trx_list, list) { |
| 256 | if (trx->nr == num) |
| 257 | return trx; |
| 258 | } |
| 259 | |
| 260 | return NULL; |
| 261 | } |
| 262 | |
| 263 | static char ts2str[255]; |
| 264 | |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 265 | char *gsm_trx_name(const struct gsm_bts_trx *trx) |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 266 | { |
| 267 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d)", |
| 268 | trx->bts->nr, trx->nr); |
| 269 | |
| 270 | return ts2str; |
| 271 | } |
| 272 | |
| 273 | |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 274 | char *gsm_ts_name(const struct gsm_bts_trx_ts *ts) |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 275 | { |
| 276 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d)", |
| 277 | ts->trx->bts->nr, ts->trx->nr, ts->nr); |
| 278 | |
| 279 | return ts2str; |
| 280 | } |
| 281 | |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 282 | char *gsm_lchan_name(const struct gsm_lchan *lchan) |
Harald Welte | 3300c01 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 283 | { |
| 284 | struct gsm_bts_trx_ts *ts = lchan->ts; |
| 285 | |
| 286 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d,ss=%d)", |
| 287 | ts->trx->bts->nr, ts->trx->nr, ts->nr, lchan->nr); |
| 288 | |
| 289 | return ts2str; |
| 290 | } |
Harald Welte | 978714d | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 291 | |
| 292 | /* obtain the MO structure for a given object instance */ |
| 293 | struct gsm_abis_mo * |
| 294 | gsm_objclass2mo(struct gsm_bts *bts, uint8_t obj_class, |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 295 | const struct abis_om_obj_inst *obj_inst) |
Harald Welte | 978714d | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 296 | { |
| 297 | struct gsm_bts_trx *trx; |
| 298 | struct gsm_abis_mo *mo = NULL; |
| 299 | |
| 300 | switch (obj_class) { |
| 301 | case NM_OC_BTS: |
| 302 | mo = &bts->mo; |
| 303 | break; |
| 304 | case NM_OC_RADIO_CARRIER: |
| 305 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 306 | return NULL; |
| 307 | } |
| 308 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 309 | mo = &trx->mo; |
| 310 | break; |
| 311 | case NM_OC_BASEB_TRANSC: |
| 312 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 313 | return NULL; |
| 314 | } |
| 315 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 316 | mo = &trx->bb_transc.mo; |
| 317 | break; |
| 318 | case NM_OC_CHANNEL: |
| 319 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 320 | return NULL; |
| 321 | } |
| 322 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 323 | if (obj_inst->ts_nr >= TRX_NR_TS) |
| 324 | return NULL; |
| 325 | mo = &trx->ts[obj_inst->ts_nr].mo; |
| 326 | break; |
| 327 | case NM_OC_SITE_MANAGER: |
| 328 | mo = &bts->site_mgr.mo; |
| 329 | break; |
| 330 | case NM_OC_BS11: |
| 331 | switch (obj_inst->bts_nr) { |
| 332 | case BS11_OBJ_CCLK: |
| 333 | mo = &bts->bs11.cclk.mo; |
| 334 | break; |
| 335 | case BS11_OBJ_BBSIG: |
| 336 | if (obj_inst->ts_nr > bts->num_trx) |
| 337 | return NULL; |
| 338 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 339 | mo = &trx->bs11.bbsig.mo; |
| 340 | break; |
| 341 | case BS11_OBJ_PA: |
| 342 | if (obj_inst->ts_nr > bts->num_trx) |
| 343 | return NULL; |
| 344 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 345 | mo = &trx->bs11.pa.mo; |
| 346 | break; |
| 347 | default: |
| 348 | return NULL; |
| 349 | } |
| 350 | case NM_OC_BS11_RACK: |
| 351 | mo = &bts->bs11.rack.mo; |
| 352 | break; |
| 353 | case NM_OC_BS11_ENVABTSE: |
| 354 | if (obj_inst->trx_nr >= ARRAY_SIZE(bts->bs11.envabtse)) |
| 355 | return NULL; |
| 356 | mo = &bts->bs11.envabtse[obj_inst->trx_nr].mo; |
| 357 | break; |
| 358 | case NM_OC_GPRS_NSE: |
| 359 | mo = &bts->gprs.nse.mo; |
| 360 | break; |
| 361 | case NM_OC_GPRS_CELL: |
| 362 | mo = &bts->gprs.cell.mo; |
| 363 | break; |
| 364 | case NM_OC_GPRS_NSVC: |
| 365 | if (obj_inst->trx_nr >= ARRAY_SIZE(bts->gprs.nsvc)) |
| 366 | return NULL; |
| 367 | mo = &bts->gprs.nsvc[obj_inst->trx_nr].mo; |
| 368 | break; |
| 369 | } |
| 370 | return mo; |
| 371 | } |
| 372 | |
| 373 | /* obtain the gsm_nm_state data structure for a given object instance */ |
| 374 | struct gsm_nm_state * |
| 375 | gsm_objclass2nmstate(struct gsm_bts *bts, uint8_t obj_class, |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 376 | const struct abis_om_obj_inst *obj_inst) |
Harald Welte | 978714d | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 377 | { |
| 378 | struct gsm_abis_mo *mo; |
| 379 | |
| 380 | mo = gsm_objclass2mo(bts, obj_class, obj_inst); |
| 381 | if (!mo) |
| 382 | return NULL; |
| 383 | |
| 384 | return &mo->nm_state; |
| 385 | } |
| 386 | |
| 387 | /* obtain the in-memory data structure of a given object instance */ |
| 388 | void * |
| 389 | gsm_objclass2obj(struct gsm_bts *bts, uint8_t obj_class, |
Harald Welte | 4f8ad53 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 390 | const struct abis_om_obj_inst *obj_inst) |
Harald Welte | 978714d | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 391 | { |
| 392 | struct gsm_bts_trx *trx; |
| 393 | void *obj = NULL; |
| 394 | |
| 395 | switch (obj_class) { |
| 396 | case NM_OC_BTS: |
| 397 | obj = bts; |
| 398 | break; |
| 399 | case NM_OC_RADIO_CARRIER: |
| 400 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 401 | return NULL; |
| 402 | } |
| 403 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 404 | obj = trx; |
| 405 | break; |
| 406 | case NM_OC_BASEB_TRANSC: |
| 407 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 408 | return NULL; |
| 409 | } |
| 410 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 411 | obj = &trx->bb_transc; |
| 412 | break; |
| 413 | case NM_OC_CHANNEL: |
| 414 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 415 | return NULL; |
| 416 | } |
| 417 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 418 | if (obj_inst->ts_nr >= TRX_NR_TS) |
| 419 | return NULL; |
| 420 | obj = &trx->ts[obj_inst->ts_nr]; |
| 421 | break; |
| 422 | case NM_OC_SITE_MANAGER: |
| 423 | obj = &bts->site_mgr; |
| 424 | break; |
| 425 | case NM_OC_GPRS_NSE: |
| 426 | obj = &bts->gprs.nse; |
| 427 | break; |
| 428 | case NM_OC_GPRS_CELL: |
| 429 | obj = &bts->gprs.cell; |
| 430 | break; |
| 431 | case NM_OC_GPRS_NSVC: |
| 432 | if (obj_inst->trx_nr >= ARRAY_SIZE(bts->gprs.nsvc)) |
| 433 | return NULL; |
| 434 | obj = &bts->gprs.nsvc[obj_inst->trx_nr]; |
| 435 | break; |
| 436 | } |
| 437 | return obj; |
| 438 | } |
Harald Welte | f6093a4 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 439 | |
| 440 | /* See Table 10.5.25 of GSM04.08 */ |
| 441 | uint8_t gsm_ts2chan_nr(const struct gsm_bts_trx_ts *ts, uint8_t lchan_nr) |
| 442 | { |
| 443 | uint8_t cbits, chan_nr; |
| 444 | |
| 445 | switch (ts->pchan) { |
| 446 | case GSM_PCHAN_TCH_F: |
| 447 | case GSM_PCHAN_PDCH: |
| 448 | case GSM_PCHAN_TCH_F_PDCH: |
| 449 | cbits = 0x01; |
| 450 | break; |
| 451 | case GSM_PCHAN_TCH_H: |
| 452 | cbits = 0x02; |
| 453 | cbits += lchan_nr; |
| 454 | break; |
| 455 | case GSM_PCHAN_CCCH_SDCCH4: |
| 456 | cbits = 0x04; |
| 457 | cbits += lchan_nr; |
| 458 | break; |
| 459 | case GSM_PCHAN_SDCCH8_SACCH8C: |
| 460 | cbits = 0x08; |
| 461 | cbits += lchan_nr; |
| 462 | break; |
| 463 | default: |
| 464 | case GSM_PCHAN_CCCH: |
| 465 | cbits = 0x10; |
| 466 | break; |
| 467 | } |
| 468 | |
| 469 | chan_nr = (cbits << 3) | (ts->nr & 0x7); |
| 470 | |
| 471 | return chan_nr; |
| 472 | } |
| 473 | |
| 474 | uint8_t gsm_lchan2chan_nr(const struct gsm_lchan *lchan) |
| 475 | { |
| 476 | return gsm_ts2chan_nr(lchan->ts, lchan->nr); |
| 477 | } |