Harald Welte | c788128 | 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 | 912520c | 2011-06-06 17:52:38 +0200 | [diff] [blame] | 35 | #include <openbsc/gsm_data.h> |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 36 | |
Harald Welte | 452119d | 2011-06-29 16:49:03 +0200 | [diff] [blame] | 37 | void gsm_abis_mo_reset(struct gsm_abis_mo *mo) |
| 38 | { |
Harald Welte | 452119d | 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 | 4fd3894 | 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 | 01f4d6b | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 45 | { |
| 46 | mo->bts = bts; |
Harald Welte | 4fd3894 | 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 | 452119d | 2011-06-29 16:49:03 +0200 | [diff] [blame] | 51 | gsm_abis_mo_reset(mo); |
Harald Welte | 01f4d6b | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 52 | } |
| 53 | |
Neels Hofmeyr | 266e7e0 | 2016-07-23 16:14:06 +0200 | [diff] [blame] | 54 | const struct value_string gsm_pchant_names[13] = { |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 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" }, |
Harald Welte | bf4ba72 | 2014-12-28 15:00:45 +0100 | [diff] [blame] | 64 | { GSM_PCHAN_CCCH_SDCCH4_CBCH, "CCCH+SDCCH4+CBCH" }, |
Holger Hans Peter Freyther | 5f3657d | 2015-01-31 19:42:42 +0100 | [diff] [blame] | 65 | { GSM_PCHAN_SDCCH8_SACCH8C_CBCH, "SDCCH8+CBCH" }, |
Neels Hofmeyr | 266e7e0 | 2016-07-23 16:14:06 +0200 | [diff] [blame] | 66 | { GSM_PCHAN_TCH_F_TCH_H_PDCH, "TCH/F_TCH/H_PDCH" }, |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 67 | { 0, NULL } |
| 68 | }; |
| 69 | |
Neels Hofmeyr | 266e7e0 | 2016-07-23 16:14:06 +0200 | [diff] [blame] | 70 | const struct value_string gsm_pchant_descs[13] = { |
Harald Welte | 2addf85 | 2012-08-17 12:42:06 +0200 | [diff] [blame] | 71 | { GSM_PCHAN_NONE, "Physical Channel not configured" }, |
| 72 | { GSM_PCHAN_CCCH, "FCCH + SCH + BCCH + CCCH (Comb. IV)" }, |
| 73 | { GSM_PCHAN_CCCH_SDCCH4, |
| 74 | "FCCH + SCH + BCCH + CCCH + 4 SDCCH + 2 SACCH (Comb. V)" }, |
| 75 | { GSM_PCHAN_TCH_F, "TCH/F + FACCH/F + SACCH (Comb. I)" }, |
| 76 | { GSM_PCHAN_TCH_H, "2 TCH/H + 2 FACCH/H + 2 SACCH (Comb. II)" }, |
| 77 | { GSM_PCHAN_SDCCH8_SACCH8C, "8 SDCCH + 4 SACCH (Comb. VII)" }, |
| 78 | { GSM_PCHAN_PDCH, "Packet Data Channel for GPRS/EDGE" }, |
| 79 | { GSM_PCHAN_TCH_F_PDCH, "Dynamic TCH/F or GPRS PDCH" }, |
| 80 | { GSM_PCHAN_UNKNOWN, "Unknown / Unsupported channel combination" }, |
Harald Welte | bf4ba72 | 2014-12-28 15:00:45 +0100 | [diff] [blame] | 81 | { GSM_PCHAN_CCCH_SDCCH4_CBCH, "FCCH + SCH + BCCH + CCCH + CBCH + 3 SDCCH + 2 SACCH (Comb. V)" }, |
Holger Hans Peter Freyther | 5f3657d | 2015-01-31 19:42:42 +0100 | [diff] [blame] | 82 | { GSM_PCHAN_SDCCH8_SACCH8C_CBCH, "7 SDCCH + 4 SACCH + CBCH (Comb. VII)" }, |
Neels Hofmeyr | 266e7e0 | 2016-07-23 16:14:06 +0200 | [diff] [blame] | 83 | { GSM_PCHAN_TCH_F_TCH_H_PDCH, "Dynamic TCH/F or TCH/H or GPRS PDCH" }, |
Harald Welte | 2addf85 | 2012-08-17 12:42:06 +0200 | [diff] [blame] | 84 | { 0, NULL } |
| 85 | }; |
| 86 | |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 87 | const char *gsm_pchan_name(enum gsm_phys_chan_config c) |
| 88 | { |
Harald Welte | 2addf85 | 2012-08-17 12:42:06 +0200 | [diff] [blame] | 89 | return get_value_string(gsm_pchant_names, c); |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | enum gsm_phys_chan_config gsm_pchan_parse(const char *name) |
| 93 | { |
Harald Welte | 2addf85 | 2012-08-17 12:42:06 +0200 | [diff] [blame] | 94 | return get_string_value(gsm_pchant_names, name); |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 95 | } |
| 96 | |
Neels Hofmeyr | a353b96 | 2016-06-14 13:31:59 +0200 | [diff] [blame] | 97 | /* TODO: move to libosmocore, next to gsm_chan_t_names? */ |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 98 | const char *gsm_lchant_name(enum gsm_chan_t c) |
| 99 | { |
Neels Hofmeyr | a353b96 | 2016-06-14 13:31:59 +0200 | [diff] [blame] | 100 | return get_value_string(gsm_chan_t_names, c); |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | static const struct value_string lchan_s_names[] = { |
| 104 | { LCHAN_S_NONE, "NONE" }, |
| 105 | { LCHAN_S_ACT_REQ, "ACTIVATION REQUESTED" }, |
| 106 | { LCHAN_S_ACTIVE, "ACTIVE" }, |
| 107 | { LCHAN_S_INACTIVE, "INACTIVE" }, |
| 108 | { LCHAN_S_REL_REQ, "RELEASE REQUESTED" }, |
| 109 | { LCHAN_S_REL_ERR, "RELEASE DUE ERROR" }, |
Holger Hans Peter Freyther | 5149c17 | 2012-12-06 19:25:06 +0100 | [diff] [blame] | 110 | { LCHAN_S_BROKEN, "BROKEN UNUSABLE" }, |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 111 | { 0, NULL } |
| 112 | }; |
| 113 | |
| 114 | const char *gsm_lchans_name(enum gsm_lchan_state s) |
| 115 | { |
| 116 | return get_value_string(lchan_s_names, s); |
| 117 | } |
| 118 | |
| 119 | static const struct value_string chreq_names[] = { |
| 120 | { GSM_CHREQ_REASON_EMERG, "EMERGENCY" }, |
| 121 | { GSM_CHREQ_REASON_PAG, "PAGING" }, |
| 122 | { GSM_CHREQ_REASON_CALL, "CALL" }, |
| 123 | { GSM_CHREQ_REASON_LOCATION_UPD,"LOCATION_UPDATE" }, |
| 124 | { GSM_CHREQ_REASON_OTHER, "OTHER" }, |
| 125 | { 0, NULL } |
| 126 | }; |
| 127 | |
| 128 | const char *gsm_chreq_name(enum gsm_chreq_reason_t c) |
| 129 | { |
| 130 | return get_value_string(chreq_names, c); |
| 131 | } |
| 132 | |
Harald Welte | c57eddd | 2014-08-24 09:50:10 +0200 | [diff] [blame] | 133 | struct gsm_bts *gsm_bts_num(struct gsm_network *net, int num) |
| 134 | { |
| 135 | struct gsm_bts *bts; |
| 136 | |
| 137 | if (num >= net->num_bts) |
| 138 | return NULL; |
| 139 | |
| 140 | llist_for_each_entry(bts, &net->bts_list, list) { |
| 141 | if (bts->nr == num) |
| 142 | return bts; |
| 143 | } |
| 144 | |
| 145 | return NULL; |
| 146 | } |
| 147 | |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 148 | struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts) |
| 149 | { |
| 150 | struct gsm_bts_trx *trx = talloc_zero(bts, struct gsm_bts_trx); |
| 151 | int k; |
| 152 | |
| 153 | if (!trx) |
| 154 | return NULL; |
| 155 | |
| 156 | trx->bts = bts; |
| 157 | trx->nr = bts->num_trx++; |
| 158 | trx->mo.nm_state.administrative = NM_STATE_UNLOCKED; |
| 159 | |
Harald Welte | 4fd3894 | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 160 | gsm_mo_init(&trx->mo, bts, NM_OC_RADIO_CARRIER, |
| 161 | bts->nr, trx->nr, 0xff); |
| 162 | gsm_mo_init(&trx->bb_transc.mo, bts, NM_OC_BASEB_TRANSC, |
| 163 | bts->nr, trx->nr, 0xff); |
Harald Welte | 01f4d6b | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 164 | |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 165 | for (k = 0; k < TRX_NR_TS; k++) { |
| 166 | struct gsm_bts_trx_ts *ts = &trx->ts[k]; |
| 167 | int l; |
| 168 | |
| 169 | ts->trx = trx; |
| 170 | ts->nr = k; |
| 171 | ts->pchan = GSM_PCHAN_NONE; |
Neels Hofmeyr | 1831a61 | 2016-07-23 16:14:06 +0200 | [diff] [blame] | 172 | ts->dyn.pchan_is = GSM_PCHAN_NONE; |
| 173 | ts->dyn.pchan_want = GSM_PCHAN_NONE; |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 174 | ts->tsc = -1; |
| 175 | |
Harald Welte | 4fd3894 | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 176 | gsm_mo_init(&ts->mo, bts, NM_OC_CHANNEL, |
| 177 | bts->nr, trx->nr, ts->nr); |
Harald Welte | 01f4d6b | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 178 | |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 179 | ts->hopping.arfcns.data_len = sizeof(ts->hopping.arfcns_data); |
| 180 | ts->hopping.arfcns.data = ts->hopping.arfcns_data; |
| 181 | ts->hopping.ma.data_len = sizeof(ts->hopping.ma_data); |
| 182 | ts->hopping.ma.data = ts->hopping.ma_data; |
| 183 | |
| 184 | for (l = 0; l < TS_MAX_LCHAN; l++) { |
| 185 | struct gsm_lchan *lchan; |
Harald Welte | 45832bb | 2015-12-05 16:19:21 +0100 | [diff] [blame] | 186 | char *name; |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 187 | lchan = &ts->lchan[l]; |
| 188 | |
| 189 | lchan->ts = ts; |
| 190 | lchan->nr = l; |
| 191 | lchan->type = GSM_LCHAN_NONE; |
Holger Hans Peter Freyther | ca46798 | 2013-04-05 18:41:45 +0200 | [diff] [blame] | 192 | |
Harald Welte | 45832bb | 2015-12-05 16:19:21 +0100 | [diff] [blame] | 193 | name = gsm_lchan_name_compute(lchan); |
| 194 | lchan->name = talloc_strdup(trx, name); |
Holger Hans Peter Freyther | ca46798 | 2013-04-05 18:41:45 +0200 | [diff] [blame] | 195 | #ifndef ROLE_BSC |
| 196 | INIT_LLIST_HEAD(&lchan->sapi_cmds); |
| 197 | #endif |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 198 | } |
| 199 | } |
| 200 | |
| 201 | if (trx->nr != 0) |
| 202 | trx->nominal_power = bts->c0->nominal_power; |
| 203 | |
| 204 | llist_add_tail(&trx->list, &bts->trx_list); |
| 205 | |
| 206 | return trx; |
| 207 | } |
| 208 | |
Harald Welte | 01f4d6b | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 209 | |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 210 | static const uint8_t bts_nse_timer_default[] = { 3, 3, 3, 3, 30, 3, 10 }; |
| 211 | static const uint8_t bts_cell_timer_default[] = |
| 212 | { 3, 3, 3, 3, 3, 10, 3, 10, 3, 10, 3 }; |
Harald Welte | 1c6955a | 2012-06-28 08:43:14 +0200 | [diff] [blame] | 213 | static const struct gprs_rlc_cfg rlc_cfg_default = { |
| 214 | .parameter = { |
| 215 | [RLC_T3142] = 20, |
| 216 | [RLC_T3169] = 5, |
| 217 | [RLC_T3191] = 5, |
Andreas Eversberg | f225f2d | 2012-09-23 08:14:51 +0200 | [diff] [blame] | 218 | [RLC_T3193] = 160, /* 10ms */ |
Harald Welte | 1c6955a | 2012-06-28 08:43:14 +0200 | [diff] [blame] | 219 | [RLC_T3195] = 5, |
| 220 | [RLC_N3101] = 10, |
| 221 | [RLC_N3103] = 4, |
| 222 | [RLC_N3105] = 8, |
| 223 | [CV_COUNTDOWN] = 15, |
| 224 | [T_DL_TBF_EXT] = 250 * 10, /* ms */ |
| 225 | [T_UL_TBF_EXT] = 250 * 10, /* ms */ |
| 226 | }, |
| 227 | .paging = { |
| 228 | .repeat_time = 5 * 50, /* ms */ |
| 229 | .repeat_count = 3, |
| 230 | }, |
| 231 | .cs_mask = 0x1fff, |
| 232 | .initial_cs = 2, |
| 233 | .initial_mcs = 6, |
| 234 | }; |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 235 | |
| 236 | struct gsm_bts *gsm_bts_alloc(void *ctx) |
| 237 | { |
| 238 | struct gsm_bts *bts = talloc_zero(ctx, struct gsm_bts); |
| 239 | int i; |
| 240 | |
| 241 | if (!bts) |
| 242 | return NULL; |
| 243 | |
| 244 | bts->num_trx = 0; |
| 245 | INIT_LLIST_HEAD(&bts->trx_list); |
| 246 | bts->ms_max_power = 15; /* dBm */ |
| 247 | |
Harald Welte | 4fd3894 | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 248 | gsm_mo_init(&bts->mo, bts, NM_OC_BTS, |
| 249 | bts->nr, 0xff, 0xff); |
| 250 | gsm_mo_init(&bts->site_mgr.mo, bts, NM_OC_SITE_MANAGER, |
| 251 | 0xff, 0xff, 0xff); |
Harald Welte | 01f4d6b | 2011-06-06 18:58:48 +0200 | [diff] [blame] | 252 | |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 253 | for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) { |
| 254 | bts->gprs.nsvc[i].bts = bts; |
| 255 | bts->gprs.nsvc[i].id = i; |
Harald Welte | 4fd3894 | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 256 | gsm_mo_init(&bts->gprs.nsvc[i].mo, bts, NM_OC_GPRS_NSVC, |
| 257 | bts->nr, i, 0xff); |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 258 | } |
| 259 | memcpy(&bts->gprs.nse.timer, bts_nse_timer_default, |
| 260 | sizeof(bts->gprs.nse.timer)); |
Harald Welte | 4fd3894 | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 261 | gsm_mo_init(&bts->gprs.nse.mo, bts, NM_OC_GPRS_NSE, |
| 262 | bts->nr, 0xff, 0xff); |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 263 | memcpy(&bts->gprs.cell.timer, bts_cell_timer_default, |
| 264 | sizeof(bts->gprs.cell.timer)); |
Harald Welte | 4fd3894 | 2011-06-06 20:13:33 +0200 | [diff] [blame] | 265 | gsm_mo_init(&bts->gprs.cell.mo, bts, NM_OC_GPRS_CELL, |
| 266 | bts->nr, 0xff, 0xff); |
Harald Welte | 1c6955a | 2012-06-28 08:43:14 +0200 | [diff] [blame] | 267 | memcpy(&bts->gprs.cell.rlc_cfg, &rlc_cfg_default, |
| 268 | sizeof(bts->gprs.cell.rlc_cfg)); |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 269 | |
| 270 | /* create our primary TRX */ |
| 271 | bts->c0 = gsm_bts_trx_alloc(bts); |
| 272 | if (!bts->c0) { |
| 273 | talloc_free(bts); |
| 274 | return NULL; |
| 275 | } |
| 276 | bts->c0->ts[0].pchan = GSM_PCHAN_CCCH_SDCCH4; |
| 277 | |
| 278 | bts->rach_b_thresh = -1; |
| 279 | bts->rach_ldavg_slots = -1; |
| 280 | bts->paging.free_chans_need = -1; |
| 281 | |
Holger Hans Peter Freyther | eacb178 | 2014-11-21 10:00:39 +0100 | [diff] [blame] | 282 | /* si handling */ |
| 283 | bts->bcch_change_mark = 1; |
| 284 | |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 285 | return bts; |
| 286 | } |
| 287 | |
Harald Welte | 452119d | 2011-06-29 16:49:03 +0200 | [diff] [blame] | 288 | /* reset the state of all MO in the BTS */ |
| 289 | void gsm_bts_mo_reset(struct gsm_bts *bts) |
| 290 | { |
| 291 | struct gsm_bts_trx *trx; |
| 292 | unsigned int i; |
| 293 | |
| 294 | gsm_abis_mo_reset(&bts->mo); |
| 295 | gsm_abis_mo_reset(&bts->site_mgr.mo); |
| 296 | for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) |
| 297 | gsm_abis_mo_reset(&bts->gprs.nsvc[i].mo); |
| 298 | gsm_abis_mo_reset(&bts->gprs.nse.mo); |
| 299 | gsm_abis_mo_reset(&bts->gprs.cell.mo); |
| 300 | |
| 301 | llist_for_each_entry(trx, &bts->trx_list, list) { |
| 302 | gsm_abis_mo_reset(&trx->mo); |
| 303 | gsm_abis_mo_reset(&trx->bb_transc.mo); |
| 304 | |
| 305 | for (i = 0; i < ARRAY_SIZE(trx->ts); i++) { |
| 306 | struct gsm_bts_trx_ts *ts = &trx->ts[i]; |
| 307 | gsm_abis_mo_reset(&ts->mo); |
| 308 | } |
| 309 | } |
| 310 | } |
| 311 | |
Harald Welte | 6073216 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 312 | struct gsm_bts_trx *gsm_bts_trx_num(const struct gsm_bts *bts, int num) |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 313 | { |
| 314 | struct gsm_bts_trx *trx; |
| 315 | |
| 316 | if (num >= bts->num_trx) |
| 317 | return NULL; |
| 318 | |
| 319 | llist_for_each_entry(trx, &bts->trx_list, list) { |
| 320 | if (trx->nr == num) |
| 321 | return trx; |
| 322 | } |
| 323 | |
| 324 | return NULL; |
| 325 | } |
| 326 | |
| 327 | static char ts2str[255]; |
| 328 | |
Harald Welte | 6073216 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 329 | char *gsm_trx_name(const struct gsm_bts_trx *trx) |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 330 | { |
Neels Hofmeyr | 4b4bc36 | 2016-10-10 03:26:34 +0200 | [diff] [blame] | 331 | if (!trx) |
| 332 | snprintf(ts2str, sizeof(ts2str), "(trx=NULL)"); |
| 333 | else |
| 334 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d)", |
| 335 | trx->bts->nr, trx->nr); |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 336 | |
| 337 | return ts2str; |
| 338 | } |
| 339 | |
| 340 | |
Harald Welte | 6073216 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 341 | char *gsm_ts_name(const struct gsm_bts_trx_ts *ts) |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 342 | { |
| 343 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d)", |
| 344 | ts->trx->bts->nr, ts->trx->nr, ts->nr); |
| 345 | |
| 346 | return ts2str; |
| 347 | } |
| 348 | |
Neels Hofmeyr | fc578e6 | 2016-07-16 23:59:32 +0200 | [diff] [blame] | 349 | /*! Log timeslot number with full pchan information */ |
| 350 | char *gsm_ts_and_pchan_name(const struct gsm_bts_trx_ts *ts) |
| 351 | { |
| 352 | switch (ts->pchan) { |
| 353 | case GSM_PCHAN_TCH_F_TCH_H_PDCH: |
| 354 | if (ts->dyn.pchan_is == ts->dyn.pchan_want) |
| 355 | snprintf(ts2str, sizeof(ts2str), |
| 356 | "(bts=%d,trx=%d,ts=%d,pchan=%s as %s)", |
| 357 | ts->trx->bts->nr, ts->trx->nr, ts->nr, |
| 358 | gsm_pchan_name(ts->pchan), |
| 359 | gsm_pchan_name(ts->dyn.pchan_is)); |
| 360 | else |
| 361 | snprintf(ts2str, sizeof(ts2str), |
| 362 | "(bts=%d,trx=%d,ts=%d,pchan=%s" |
| 363 | " switching %s -> %s)", |
| 364 | ts->trx->bts->nr, ts->trx->nr, ts->nr, |
| 365 | gsm_pchan_name(ts->pchan), |
| 366 | gsm_pchan_name(ts->dyn.pchan_is), |
| 367 | gsm_pchan_name(ts->dyn.pchan_want)); |
| 368 | break; |
| 369 | case GSM_PCHAN_TCH_F_PDCH: |
| 370 | if ((ts->flags & TS_F_PDCH_PENDING_MASK) == 0) |
| 371 | snprintf(ts2str, sizeof(ts2str), |
| 372 | "(bts=%d,trx=%d,ts=%d,pchan=%s as %s)", |
| 373 | ts->trx->bts->nr, ts->trx->nr, ts->nr, |
| 374 | gsm_pchan_name(ts->pchan), |
| 375 | (ts->flags & TS_F_PDCH_ACTIVE)? "PDCH" |
| 376 | : "TCH/F"); |
| 377 | else |
| 378 | snprintf(ts2str, sizeof(ts2str), |
| 379 | "(bts=%d,trx=%d,ts=%d,pchan=%s" |
| 380 | " switching %s -> %s)", |
| 381 | ts->trx->bts->nr, ts->trx->nr, ts->nr, |
| 382 | gsm_pchan_name(ts->pchan), |
| 383 | (ts->flags & TS_F_PDCH_ACTIVE)? "PDCH" |
| 384 | : "TCH/F", |
| 385 | (ts->flags & TS_F_PDCH_ACT_PENDING)? "PDCH" |
| 386 | : "TCH/F"); |
| 387 | break; |
| 388 | default: |
| 389 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d,pchan=%s)", |
| 390 | ts->trx->bts->nr, ts->trx->nr, ts->nr, |
| 391 | gsm_pchan_name(ts->pchan)); |
| 392 | break; |
| 393 | } |
| 394 | |
| 395 | return ts2str; |
| 396 | } |
| 397 | |
Harald Welte | 45832bb | 2015-12-05 16:19:21 +0100 | [diff] [blame] | 398 | char *gsm_lchan_name_compute(const struct gsm_lchan *lchan) |
Harald Welte | c788128 | 2011-06-05 13:31:33 +0200 | [diff] [blame] | 399 | { |
| 400 | struct gsm_bts_trx_ts *ts = lchan->ts; |
| 401 | |
| 402 | snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d,ss=%d)", |
| 403 | ts->trx->bts->nr, ts->trx->nr, ts->nr, lchan->nr); |
| 404 | |
| 405 | return ts2str; |
| 406 | } |
Harald Welte | c6ed928 | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 407 | |
| 408 | /* obtain the MO structure for a given object instance */ |
| 409 | struct gsm_abis_mo * |
| 410 | gsm_objclass2mo(struct gsm_bts *bts, uint8_t obj_class, |
Harald Welte | 6073216 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 411 | const struct abis_om_obj_inst *obj_inst) |
Harald Welte | c6ed928 | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 412 | { |
| 413 | struct gsm_bts_trx *trx; |
| 414 | struct gsm_abis_mo *mo = NULL; |
| 415 | |
| 416 | switch (obj_class) { |
| 417 | case NM_OC_BTS: |
| 418 | mo = &bts->mo; |
| 419 | break; |
| 420 | case NM_OC_RADIO_CARRIER: |
| 421 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 422 | return NULL; |
| 423 | } |
| 424 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 425 | mo = &trx->mo; |
| 426 | break; |
| 427 | case NM_OC_BASEB_TRANSC: |
| 428 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 429 | return NULL; |
| 430 | } |
| 431 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 432 | mo = &trx->bb_transc.mo; |
| 433 | break; |
| 434 | case NM_OC_CHANNEL: |
| 435 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 436 | return NULL; |
| 437 | } |
| 438 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 439 | if (obj_inst->ts_nr >= TRX_NR_TS) |
| 440 | return NULL; |
| 441 | mo = &trx->ts[obj_inst->ts_nr].mo; |
| 442 | break; |
| 443 | case NM_OC_SITE_MANAGER: |
| 444 | mo = &bts->site_mgr.mo; |
| 445 | break; |
| 446 | case NM_OC_BS11: |
| 447 | switch (obj_inst->bts_nr) { |
| 448 | case BS11_OBJ_CCLK: |
| 449 | mo = &bts->bs11.cclk.mo; |
| 450 | break; |
| 451 | case BS11_OBJ_BBSIG: |
| 452 | if (obj_inst->ts_nr > bts->num_trx) |
| 453 | return NULL; |
| 454 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 455 | mo = &trx->bs11.bbsig.mo; |
| 456 | break; |
| 457 | case BS11_OBJ_PA: |
| 458 | if (obj_inst->ts_nr > bts->num_trx) |
| 459 | return NULL; |
| 460 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 461 | mo = &trx->bs11.pa.mo; |
| 462 | break; |
| 463 | default: |
| 464 | return NULL; |
| 465 | } |
Holger Hans Peter Freyther | ebdbaff | 2013-07-14 07:55:53 +0200 | [diff] [blame] | 466 | break; |
Harald Welte | c6ed928 | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 467 | case NM_OC_BS11_RACK: |
| 468 | mo = &bts->bs11.rack.mo; |
| 469 | break; |
| 470 | case NM_OC_BS11_ENVABTSE: |
| 471 | if (obj_inst->trx_nr >= ARRAY_SIZE(bts->bs11.envabtse)) |
| 472 | return NULL; |
| 473 | mo = &bts->bs11.envabtse[obj_inst->trx_nr].mo; |
| 474 | break; |
| 475 | case NM_OC_GPRS_NSE: |
| 476 | mo = &bts->gprs.nse.mo; |
| 477 | break; |
| 478 | case NM_OC_GPRS_CELL: |
| 479 | mo = &bts->gprs.cell.mo; |
| 480 | break; |
| 481 | case NM_OC_GPRS_NSVC: |
| 482 | if (obj_inst->trx_nr >= ARRAY_SIZE(bts->gprs.nsvc)) |
| 483 | return NULL; |
| 484 | mo = &bts->gprs.nsvc[obj_inst->trx_nr].mo; |
| 485 | break; |
| 486 | } |
| 487 | return mo; |
| 488 | } |
| 489 | |
| 490 | /* obtain the gsm_nm_state data structure for a given object instance */ |
| 491 | struct gsm_nm_state * |
| 492 | gsm_objclass2nmstate(struct gsm_bts *bts, uint8_t obj_class, |
Harald Welte | 6073216 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 493 | const struct abis_om_obj_inst *obj_inst) |
Harald Welte | c6ed928 | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 494 | { |
| 495 | struct gsm_abis_mo *mo; |
| 496 | |
| 497 | mo = gsm_objclass2mo(bts, obj_class, obj_inst); |
| 498 | if (!mo) |
| 499 | return NULL; |
| 500 | |
| 501 | return &mo->nm_state; |
| 502 | } |
| 503 | |
| 504 | /* obtain the in-memory data structure of a given object instance */ |
| 505 | void * |
| 506 | gsm_objclass2obj(struct gsm_bts *bts, uint8_t obj_class, |
Harald Welte | 6073216 | 2011-09-19 14:21:51 +0200 | [diff] [blame] | 507 | const struct abis_om_obj_inst *obj_inst) |
Harald Welte | c6ed928 | 2011-06-06 18:31:20 +0200 | [diff] [blame] | 508 | { |
| 509 | struct gsm_bts_trx *trx; |
| 510 | void *obj = NULL; |
| 511 | |
| 512 | switch (obj_class) { |
| 513 | case NM_OC_BTS: |
| 514 | obj = bts; |
| 515 | break; |
| 516 | case NM_OC_RADIO_CARRIER: |
| 517 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 518 | return NULL; |
| 519 | } |
| 520 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 521 | obj = trx; |
| 522 | break; |
| 523 | case NM_OC_BASEB_TRANSC: |
| 524 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 525 | return NULL; |
| 526 | } |
| 527 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 528 | obj = &trx->bb_transc; |
| 529 | break; |
| 530 | case NM_OC_CHANNEL: |
| 531 | if (obj_inst->trx_nr >= bts->num_trx) { |
| 532 | return NULL; |
| 533 | } |
| 534 | trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); |
| 535 | if (obj_inst->ts_nr >= TRX_NR_TS) |
| 536 | return NULL; |
| 537 | obj = &trx->ts[obj_inst->ts_nr]; |
| 538 | break; |
| 539 | case NM_OC_SITE_MANAGER: |
| 540 | obj = &bts->site_mgr; |
| 541 | break; |
| 542 | case NM_OC_GPRS_NSE: |
| 543 | obj = &bts->gprs.nse; |
| 544 | break; |
| 545 | case NM_OC_GPRS_CELL: |
| 546 | obj = &bts->gprs.cell; |
| 547 | break; |
| 548 | case NM_OC_GPRS_NSVC: |
| 549 | if (obj_inst->trx_nr >= ARRAY_SIZE(bts->gprs.nsvc)) |
| 550 | return NULL; |
| 551 | obj = &bts->gprs.nsvc[obj_inst->trx_nr]; |
| 552 | break; |
| 553 | } |
| 554 | return obj; |
| 555 | } |
Harald Welte | e6d51f9 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 556 | |
| 557 | /* See Table 10.5.25 of GSM04.08 */ |
Neels Hofmeyr | b597811 | 2016-07-18 23:43:44 +0200 | [diff] [blame] | 558 | uint8_t gsm_pchan2chan_nr(enum gsm_phys_chan_config pchan, |
| 559 | uint8_t ts_nr, uint8_t lchan_nr) |
Harald Welte | e6d51f9 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 560 | { |
| 561 | uint8_t cbits, chan_nr; |
| 562 | |
Neels Hofmeyr | b597811 | 2016-07-18 23:43:44 +0200 | [diff] [blame] | 563 | switch (pchan) { |
Harald Welte | e6d51f9 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 564 | case GSM_PCHAN_TCH_F: |
| 565 | case GSM_PCHAN_PDCH: |
| 566 | case GSM_PCHAN_TCH_F_PDCH: |
Neels Hofmeyr | 9df13d0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 567 | OSMO_ASSERT(lchan_nr == 0); |
Harald Welte | e6d51f9 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 568 | cbits = 0x01; |
| 569 | break; |
| 570 | case GSM_PCHAN_TCH_H: |
Neels Hofmeyr | 9df13d0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 571 | OSMO_ASSERT(lchan_nr < 2); |
Harald Welte | e6d51f9 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 572 | cbits = 0x02; |
| 573 | cbits += lchan_nr; |
| 574 | break; |
| 575 | case GSM_PCHAN_CCCH_SDCCH4: |
Harald Welte | bf4ba72 | 2014-12-28 15:00:45 +0100 | [diff] [blame] | 576 | case GSM_PCHAN_CCCH_SDCCH4_CBCH: |
Neels Hofmeyr | 9df13d0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 577 | /* |
| 578 | * As a special hack for BCCH, lchan_nr == 4 may be passed |
Neels Hofmeyr | 2153404 | 2016-08-09 11:15:37 +0200 | [diff] [blame] | 579 | * here. This should never be sent in an RSL message. |
| 580 | * See osmo-bts-xxx/oml.c:opstart_compl(). |
Neels Hofmeyr | 9df13d0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 581 | */ |
Max | 3dca916 | 2016-10-18 16:19:33 +0200 | [diff] [blame] | 582 | if (lchan_nr == CCCH_LCHAN) |
Neels Hofmeyr | 9df13d0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 583 | chan_nr = 0; |
Neels Hofmeyr | 2153404 | 2016-08-09 11:15:37 +0200 | [diff] [blame] | 584 | else |
| 585 | OSMO_ASSERT(lchan_nr < 4); |
Harald Welte | e6d51f9 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 586 | cbits = 0x04; |
| 587 | cbits += lchan_nr; |
| 588 | break; |
| 589 | case GSM_PCHAN_SDCCH8_SACCH8C: |
Harald Welte | bf4ba72 | 2014-12-28 15:00:45 +0100 | [diff] [blame] | 590 | case GSM_PCHAN_SDCCH8_SACCH8C_CBCH: |
Neels Hofmeyr | 9df13d0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 591 | OSMO_ASSERT(lchan_nr < 8); |
Harald Welte | e6d51f9 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 592 | cbits = 0x08; |
| 593 | cbits += lchan_nr; |
| 594 | break; |
| 595 | default: |
| 596 | case GSM_PCHAN_CCCH: |
Neels Hofmeyr | c121ca5 | 2016-08-08 17:51:19 +0200 | [diff] [blame] | 597 | #ifdef ROLE_BSC |
Neels Hofmeyr | 9df13d0 | 2016-07-23 16:54:16 +0200 | [diff] [blame] | 598 | OSMO_ASSERT(lchan_nr == 0); |
Neels Hofmeyr | c121ca5 | 2016-08-08 17:51:19 +0200 | [diff] [blame] | 599 | #else |
| 600 | /* |
| 601 | * FIXME: On octphy and litecell, we hit above assertion (see |
| 602 | * Max's comment at https://gerrit.osmocom.org/589 ); disabled |
| 603 | * for BTS until this is clarified; remove the #ifdef when it |
| 604 | * is fixed. |
| 605 | */ |
| 606 | #warning "fix caller that passes lchan_nr != 0" |
| 607 | #endif |
Harald Welte | e6d51f9 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 608 | cbits = 0x10; |
| 609 | break; |
| 610 | } |
| 611 | |
Neels Hofmeyr | b597811 | 2016-07-18 23:43:44 +0200 | [diff] [blame] | 612 | chan_nr = (cbits << 3) | (ts_nr & 0x7); |
Harald Welte | e6d51f9 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 613 | |
| 614 | return chan_nr; |
| 615 | } |
| 616 | |
| 617 | uint8_t gsm_lchan2chan_nr(const struct gsm_lchan *lchan) |
| 618 | { |
Neels Hofmeyr | 2cbc424 | 2016-07-23 20:18:40 +0200 | [diff] [blame] | 619 | enum gsm_phys_chan_config pchan = lchan->ts->pchan; |
| 620 | if (pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH) |
| 621 | return gsm_lchan_as_pchan2chan_nr(lchan, |
| 622 | lchan->ts->dyn.pchan_is); |
Neels Hofmeyr | b597811 | 2016-07-18 23:43:44 +0200 | [diff] [blame] | 623 | return gsm_pchan2chan_nr(lchan->ts->pchan, lchan->ts->nr, lchan->nr); |
| 624 | } |
| 625 | |
| 626 | uint8_t gsm_lchan_as_pchan2chan_nr(const struct gsm_lchan *lchan, |
| 627 | enum gsm_phys_chan_config as_pchan) |
| 628 | { |
Neels Hofmeyr | 2cbc424 | 2016-07-23 20:18:40 +0200 | [diff] [blame] | 629 | if (lchan->ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH |
| 630 | && as_pchan == GSM_PCHAN_PDCH) |
| 631 | return RSL_CHAN_OSMO_PDCH | (lchan->ts->nr & ~RSL_CHAN_NR_MASK); |
Neels Hofmeyr | b597811 | 2016-07-18 23:43:44 +0200 | [diff] [blame] | 632 | return gsm_pchan2chan_nr(as_pchan, lchan->ts->nr, lchan->nr); |
Harald Welte | e6d51f9 | 2011-06-25 10:02:33 +0200 | [diff] [blame] | 633 | } |
Harald Welte | adbd96f | 2014-12-29 17:47:08 +0100 | [diff] [blame] | 634 | |
| 635 | /* return the gsm_lchan for the CBCH (if it exists at all) */ |
| 636 | struct gsm_lchan *gsm_bts_get_cbch(struct gsm_bts *bts) |
| 637 | { |
| 638 | struct gsm_lchan *lchan = NULL; |
| 639 | struct gsm_bts_trx *trx = bts->c0; |
| 640 | |
| 641 | if (trx->ts[0].pchan == GSM_PCHAN_CCCH_SDCCH4_CBCH) |
| 642 | lchan = &trx->ts[0].lchan[2]; |
| 643 | else { |
| 644 | int i; |
| 645 | for (i = 0; i < 8; i++) { |
| 646 | if (trx->ts[i].pchan == GSM_PCHAN_SDCCH8_SACCH8C_CBCH) { |
| 647 | lchan = &trx->ts[i].lchan[2]; |
| 648 | break; |
| 649 | } |
| 650 | } |
| 651 | } |
| 652 | |
| 653 | return lchan; |
| 654 | } |
Neels Hofmeyr | 0a77199 | 2016-07-23 17:38:22 +0200 | [diff] [blame] | 655 | |
| 656 | /* determine logical channel based on TRX and channel number IE */ |
| 657 | struct gsm_lchan *rsl_lchan_lookup(struct gsm_bts_trx *trx, uint8_t chan_nr, |
| 658 | int *rc) |
| 659 | { |
| 660 | uint8_t ts_nr = chan_nr & 0x07; |
| 661 | uint8_t cbits = chan_nr >> 3; |
| 662 | uint8_t lch_idx; |
| 663 | struct gsm_bts_trx_ts *ts = &trx->ts[ts_nr]; |
| 664 | bool ok = true; |
| 665 | |
| 666 | if (rc) |
| 667 | *rc = -EINVAL; |
| 668 | |
| 669 | if (cbits == 0x01) { |
| 670 | lch_idx = 0; /* TCH/F */ |
| 671 | if (ts->pchan != GSM_PCHAN_TCH_F && |
| 672 | ts->pchan != GSM_PCHAN_PDCH && |
Neels Hofmeyr | 9d9621a | 2016-07-23 17:57:53 +0200 | [diff] [blame] | 673 | ts->pchan != GSM_PCHAN_TCH_F_PDCH |
| 674 | && !(ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH |
| 675 | && (ts->dyn.pchan_is == GSM_PCHAN_TCH_F |
| 676 | || ts->dyn.pchan_want == GSM_PCHAN_TCH_F))) |
Neels Hofmeyr | 0a77199 | 2016-07-23 17:38:22 +0200 | [diff] [blame] | 677 | ok = false; |
| 678 | } else if ((cbits & 0x1e) == 0x02) { |
| 679 | lch_idx = cbits & 0x1; /* TCH/H */ |
Neels Hofmeyr | 9d9621a | 2016-07-23 17:57:53 +0200 | [diff] [blame] | 680 | if (ts->pchan != GSM_PCHAN_TCH_H |
| 681 | && !(ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH |
| 682 | && (ts->dyn.pchan_is == GSM_PCHAN_TCH_H |
| 683 | || ts->dyn.pchan_want == GSM_PCHAN_TCH_H))) |
Neels Hofmeyr | 0a77199 | 2016-07-23 17:38:22 +0200 | [diff] [blame] | 684 | ok = false; |
| 685 | } else if ((cbits & 0x1c) == 0x04) { |
| 686 | lch_idx = cbits & 0x3; /* SDCCH/4 */ |
| 687 | if (ts->pchan != GSM_PCHAN_CCCH_SDCCH4 && |
| 688 | ts->pchan != GSM_PCHAN_CCCH_SDCCH4_CBCH) |
| 689 | ok = false; |
| 690 | } else if ((cbits & 0x18) == 0x08) { |
| 691 | lch_idx = cbits & 0x7; /* SDCCH/8 */ |
| 692 | if (ts->pchan != GSM_PCHAN_SDCCH8_SACCH8C && |
| 693 | ts->pchan != GSM_PCHAN_SDCCH8_SACCH8C_CBCH) |
| 694 | ok = false; |
| 695 | } else if (cbits == 0x10 || cbits == 0x11 || cbits == 0x12) { |
| 696 | lch_idx = 0; |
| 697 | if (ts->pchan != GSM_PCHAN_CCCH && |
| 698 | ts->pchan != GSM_PCHAN_CCCH_SDCCH4 && |
| 699 | ts->pchan != GSM_PCHAN_CCCH_SDCCH4_CBCH) |
| 700 | ok = false; |
| 701 | /* FIXME: we should not return first sdcch4 !!! */ |
Neels Hofmeyr | 9d9621a | 2016-07-23 17:57:53 +0200 | [diff] [blame] | 702 | } else if ((chan_nr & RSL_CHAN_NR_MASK) == RSL_CHAN_OSMO_PDCH) { |
| 703 | lch_idx = 0; |
| 704 | if (ts->pchan != GSM_PCHAN_TCH_F_TCH_H_PDCH) |
| 705 | ok = false; |
Neels Hofmeyr | 0a77199 | 2016-07-23 17:38:22 +0200 | [diff] [blame] | 706 | } else |
| 707 | return NULL; |
| 708 | |
| 709 | if (rc && ok) |
| 710 | *rc = 0; |
| 711 | |
| 712 | return &ts->lchan[lch_idx]; |
| 713 | } |
Neels Hofmeyr | 8fdcaf9 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 714 | |
| 715 | static const uint8_t subslots_per_pchan[] = { |
| 716 | [GSM_PCHAN_NONE] = 0, |
| 717 | [GSM_PCHAN_CCCH] = 0, |
Neels Hofmeyr | bc9efd1 | 2016-09-25 15:33:02 +0200 | [diff] [blame] | 718 | [GSM_PCHAN_PDCH] = 0, |
Neels Hofmeyr | 8fdcaf9 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 719 | [GSM_PCHAN_CCCH_SDCCH4] = 4, |
| 720 | [GSM_PCHAN_TCH_F] = 1, |
| 721 | [GSM_PCHAN_TCH_H] = 2, |
| 722 | [GSM_PCHAN_SDCCH8_SACCH8C] = 8, |
Neels Hofmeyr | 8fdcaf9 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 723 | [GSM_PCHAN_CCCH_SDCCH4_CBCH] = 4, |
| 724 | [GSM_PCHAN_SDCCH8_SACCH8C_CBCH] = 8, |
| 725 | /* |
Neels Hofmeyr | bc9efd1 | 2016-09-25 15:33:02 +0200 | [diff] [blame] | 726 | * GSM_PCHAN_TCH_F_PDCH and GSM_PCHAN_TCH_F_TCH_H_PDCH should not be |
| 727 | * part of this, those TS are handled according to their dynamic state. |
Neels Hofmeyr | 8fdcaf9 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 728 | */ |
| 729 | }; |
| 730 | |
Neels Hofmeyr | bc9efd1 | 2016-09-25 15:33:02 +0200 | [diff] [blame] | 731 | /*! Return the actual pchan type, also heeding dynamic TS. */ |
| 732 | static enum gsm_phys_chan_config ts_pchan(struct gsm_bts_trx_ts *ts) |
| 733 | { |
| 734 | switch (ts->pchan) { |
| 735 | case GSM_PCHAN_TCH_F_TCH_H_PDCH: |
| 736 | return ts->dyn.pchan_is; |
| 737 | case GSM_PCHAN_TCH_F_PDCH: |
| 738 | if (ts->flags & TS_F_PDCH_ACTIVE) |
| 739 | return GSM_PCHAN_PDCH; |
| 740 | else |
| 741 | return GSM_PCHAN_TCH_F; |
| 742 | default: |
| 743 | return ts->pchan; |
| 744 | } |
| 745 | } |
| 746 | |
Neels Hofmeyr | 8fdcaf9 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 747 | /*! According to ts->pchan and possibly ts->dyn_pchan, return the number of |
| 748 | * logical channels available in the timeslot. */ |
| 749 | uint8_t ts_subslots(struct gsm_bts_trx_ts *ts) |
| 750 | { |
Neels Hofmeyr | bc9efd1 | 2016-09-25 15:33:02 +0200 | [diff] [blame] | 751 | return subslots_per_pchan[ts_pchan(ts)]; |
Neels Hofmeyr | 8fdcaf9 | 2016-07-29 18:12:06 +0200 | [diff] [blame] | 752 | } |
Neels Hofmeyr | db5b2ee | 2016-09-25 15:07:01 +0200 | [diff] [blame] | 753 | |
| 754 | static bool pchan_is_tch(enum gsm_phys_chan_config pchan) |
| 755 | { |
| 756 | switch (pchan) { |
| 757 | case GSM_PCHAN_TCH_F: |
| 758 | case GSM_PCHAN_TCH_H: |
| 759 | return true; |
| 760 | default: |
| 761 | return false; |
| 762 | } |
| 763 | } |
| 764 | |
| 765 | bool ts_is_tch(struct gsm_bts_trx_ts *ts) |
| 766 | { |
| 767 | return pchan_is_tch(ts_pchan(ts)); |
| 768 | } |