From 01ddd10c5a59aedd8fbc9930e860331981862c90 Mon Sep 17 00:00:00 2001 From: Neels Hofmeyr Date: Sat, 18 Mar 2017 13:21:26 +0100 Subject: cosmetic: move gsm_data_shared.c to libcommon-cs Since other projects also include gsm_data_shared.c and expect it to live in libcommon, this commit may cause failing builds elsewhere. Same goes for the debian/openbsc-dev package. I considered having gsm_data_shared.c in both locations, but it doesn't really make sense unless we want to keep duplicates for all eternity. At some point users of this should be adjusted anyway. Change-Id: Ie2cacc869a1991a40ea36dbce1ad5a0123f51852 --- openbsc/src/libcommon-cs/Makefile.am | 1 + openbsc/src/libcommon-cs/gsm_data_shared.c | 768 +++++++++++++++++++++++++++++ openbsc/src/libcommon/Makefile.am | 1 - openbsc/src/libcommon/gsm_data_shared.c | 768 ----------------------------- openbsc/src/utils/Makefile.am | 1 + 5 files changed, 770 insertions(+), 769 deletions(-) create mode 100644 openbsc/src/libcommon-cs/gsm_data_shared.c delete mode 100644 openbsc/src/libcommon/gsm_data_shared.c (limited to 'openbsc/src') diff --git a/openbsc/src/libcommon-cs/Makefile.am b/openbsc/src/libcommon-cs/Makefile.am index ad1376a04..d4c9740d8 100644 --- a/openbsc/src/libcommon-cs/Makefile.am +++ b/openbsc/src/libcommon-cs/Makefile.am @@ -19,4 +19,5 @@ libcommon_cs_a_SOURCES = \ common_cs.c \ common_cs_vty.c \ gsm_data.c \ + gsm_data_shared.c \ $(NULL) diff --git a/openbsc/src/libcommon-cs/gsm_data_shared.c b/openbsc/src/libcommon-cs/gsm_data_shared.c new file mode 100644 index 000000000..387af7068 --- /dev/null +++ b/openbsc/src/libcommon-cs/gsm_data_shared.c @@ -0,0 +1,768 @@ +/* (C) 2008-2010 by Harald Welte + * + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + * + */ + + +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include + +#include + +void gsm_abis_mo_reset(struct gsm_abis_mo *mo) +{ + mo->nm_state.operational = NM_OPSTATE_NULL; + mo->nm_state.availability = NM_AVSTATE_POWER_OFF; +} + +static void gsm_mo_init(struct gsm_abis_mo *mo, struct gsm_bts *bts, + uint8_t obj_class, uint8_t p1, uint8_t p2, uint8_t p3) +{ + mo->bts = bts; + mo->obj_class = obj_class; + mo->obj_inst.bts_nr = p1; + mo->obj_inst.trx_nr = p2; + mo->obj_inst.ts_nr = p3; + gsm_abis_mo_reset(mo); +} + +const struct value_string gsm_pchant_names[13] = { + { GSM_PCHAN_NONE, "NONE" }, + { GSM_PCHAN_CCCH, "CCCH" }, + { GSM_PCHAN_CCCH_SDCCH4,"CCCH+SDCCH4" }, + { GSM_PCHAN_TCH_F, "TCH/F" }, + { GSM_PCHAN_TCH_H, "TCH/H" }, + { GSM_PCHAN_SDCCH8_SACCH8C, "SDCCH8" }, + { GSM_PCHAN_PDCH, "PDCH" }, + { GSM_PCHAN_TCH_F_PDCH, "TCH/F_PDCH" }, + { GSM_PCHAN_UNKNOWN, "UNKNOWN" }, + { GSM_PCHAN_CCCH_SDCCH4_CBCH, "CCCH+SDCCH4+CBCH" }, + { GSM_PCHAN_SDCCH8_SACCH8C_CBCH, "SDCCH8+CBCH" }, + { GSM_PCHAN_TCH_F_TCH_H_PDCH, "TCH/F_TCH/H_PDCH" }, + { 0, NULL } +}; + +const struct value_string gsm_pchant_descs[13] = { + { GSM_PCHAN_NONE, "Physical Channel not configured" }, + { GSM_PCHAN_CCCH, "FCCH + SCH + BCCH + CCCH (Comb. IV)" }, + { GSM_PCHAN_CCCH_SDCCH4, + "FCCH + SCH + BCCH + CCCH + 4 SDCCH + 2 SACCH (Comb. V)" }, + { GSM_PCHAN_TCH_F, "TCH/F + FACCH/F + SACCH (Comb. I)" }, + { GSM_PCHAN_TCH_H, "2 TCH/H + 2 FACCH/H + 2 SACCH (Comb. II)" }, + { GSM_PCHAN_SDCCH8_SACCH8C, "8 SDCCH + 4 SACCH (Comb. VII)" }, + { GSM_PCHAN_PDCH, "Packet Data Channel for GPRS/EDGE" }, + { GSM_PCHAN_TCH_F_PDCH, "Dynamic TCH/F or GPRS PDCH" }, + { GSM_PCHAN_UNKNOWN, "Unknown / Unsupported channel combination" }, + { GSM_PCHAN_CCCH_SDCCH4_CBCH, "FCCH + SCH + BCCH + CCCH + CBCH + 3 SDCCH + 2 SACCH (Comb. V)" }, + { GSM_PCHAN_SDCCH8_SACCH8C_CBCH, "7 SDCCH + 4 SACCH + CBCH (Comb. VII)" }, + { GSM_PCHAN_TCH_F_TCH_H_PDCH, "Dynamic TCH/F or TCH/H or GPRS PDCH" }, + { 0, NULL } +}; + +const char *gsm_pchan_name(enum gsm_phys_chan_config c) +{ + return get_value_string(gsm_pchant_names, c); +} + +enum gsm_phys_chan_config gsm_pchan_parse(const char *name) +{ + return get_string_value(gsm_pchant_names, name); +} + +/* TODO: move to libosmocore, next to gsm_chan_t_names? */ +const char *gsm_lchant_name(enum gsm_chan_t c) +{ + return get_value_string(gsm_chan_t_names, c); +} + +static const struct value_string lchan_s_names[] = { + { LCHAN_S_NONE, "NONE" }, + { LCHAN_S_ACT_REQ, "ACTIVATION REQUESTED" }, + { LCHAN_S_ACTIVE, "ACTIVE" }, + { LCHAN_S_INACTIVE, "INACTIVE" }, + { LCHAN_S_REL_REQ, "RELEASE REQUESTED" }, + { LCHAN_S_REL_ERR, "RELEASE DUE ERROR" }, + { LCHAN_S_BROKEN, "BROKEN UNUSABLE" }, + { 0, NULL } +}; + +const char *gsm_lchans_name(enum gsm_lchan_state s) +{ + return get_value_string(lchan_s_names, s); +} + +static const struct value_string chreq_names[] = { + { GSM_CHREQ_REASON_EMERG, "EMERGENCY" }, + { GSM_CHREQ_REASON_PAG, "PAGING" }, + { GSM_CHREQ_REASON_CALL, "CALL" }, + { GSM_CHREQ_REASON_LOCATION_UPD,"LOCATION_UPDATE" }, + { GSM_CHREQ_REASON_OTHER, "OTHER" }, + { 0, NULL } +}; + +const char *gsm_chreq_name(enum gsm_chreq_reason_t c) +{ + return get_value_string(chreq_names, c); +} + +struct gsm_bts *gsm_bts_num(struct gsm_network *net, int num) +{ + struct gsm_bts *bts; + + if (num >= net->num_bts) + return NULL; + + llist_for_each_entry(bts, &net->bts_list, list) { + if (bts->nr == num) + return bts; + } + + return NULL; +} + +struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts) +{ + struct gsm_bts_trx *trx = talloc_zero(bts, struct gsm_bts_trx); + int k; + + if (!trx) + return NULL; + + trx->bts = bts; + trx->nr = bts->num_trx++; + trx->mo.nm_state.administrative = NM_STATE_UNLOCKED; + + gsm_mo_init(&trx->mo, bts, NM_OC_RADIO_CARRIER, + bts->nr, trx->nr, 0xff); + gsm_mo_init(&trx->bb_transc.mo, bts, NM_OC_BASEB_TRANSC, + bts->nr, trx->nr, 0xff); + + for (k = 0; k < TRX_NR_TS; k++) { + struct gsm_bts_trx_ts *ts = &trx->ts[k]; + int l; + + ts->trx = trx; + ts->nr = k; + ts->pchan = GSM_PCHAN_NONE; + ts->dyn.pchan_is = GSM_PCHAN_NONE; + ts->dyn.pchan_want = GSM_PCHAN_NONE; + ts->tsc = -1; + + gsm_mo_init(&ts->mo, bts, NM_OC_CHANNEL, + bts->nr, trx->nr, ts->nr); + + ts->hopping.arfcns.data_len = sizeof(ts->hopping.arfcns_data); + ts->hopping.arfcns.data = ts->hopping.arfcns_data; + ts->hopping.ma.data_len = sizeof(ts->hopping.ma_data); + ts->hopping.ma.data = ts->hopping.ma_data; + + for (l = 0; l < TS_MAX_LCHAN; l++) { + struct gsm_lchan *lchan; + char *name; + lchan = &ts->lchan[l]; + + lchan->ts = ts; + lchan->nr = l; + lchan->type = GSM_LCHAN_NONE; + + name = gsm_lchan_name_compute(lchan); + lchan->name = talloc_strdup(trx, name); +#ifndef ROLE_BSC + INIT_LLIST_HEAD(&lchan->sapi_cmds); +#endif + } + } + + if (trx->nr != 0) + trx->nominal_power = bts->c0->nominal_power; + + llist_add_tail(&trx->list, &bts->trx_list); + + return trx; +} + + +static const uint8_t bts_nse_timer_default[] = { 3, 3, 3, 3, 30, 3, 10 }; +static const uint8_t bts_cell_timer_default[] = + { 3, 3, 3, 3, 3, 10, 3, 10, 3, 10, 3 }; +static const struct gprs_rlc_cfg rlc_cfg_default = { + .parameter = { + [RLC_T3142] = 20, + [RLC_T3169] = 5, + [RLC_T3191] = 5, + [RLC_T3193] = 160, /* 10ms */ + [RLC_T3195] = 5, + [RLC_N3101] = 10, + [RLC_N3103] = 4, + [RLC_N3105] = 8, + [CV_COUNTDOWN] = 15, + [T_DL_TBF_EXT] = 250 * 10, /* ms */ + [T_UL_TBF_EXT] = 250 * 10, /* ms */ + }, + .paging = { + .repeat_time = 5 * 50, /* ms */ + .repeat_count = 3, + }, + .cs_mask = 0x1fff, + .initial_cs = 2, + .initial_mcs = 6, +}; + +struct gsm_bts *gsm_bts_alloc(void *ctx) +{ + struct gsm_bts *bts = talloc_zero(ctx, struct gsm_bts); + int i; + + if (!bts) + return NULL; + + bts->num_trx = 0; + INIT_LLIST_HEAD(&bts->trx_list); + bts->ms_max_power = 15; /* dBm */ + + gsm_mo_init(&bts->mo, bts, NM_OC_BTS, + bts->nr, 0xff, 0xff); + gsm_mo_init(&bts->site_mgr.mo, bts, NM_OC_SITE_MANAGER, + 0xff, 0xff, 0xff); + + for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) { + bts->gprs.nsvc[i].bts = bts; + bts->gprs.nsvc[i].id = i; + gsm_mo_init(&bts->gprs.nsvc[i].mo, bts, NM_OC_GPRS_NSVC, + bts->nr, i, 0xff); + } + memcpy(&bts->gprs.nse.timer, bts_nse_timer_default, + sizeof(bts->gprs.nse.timer)); + gsm_mo_init(&bts->gprs.nse.mo, bts, NM_OC_GPRS_NSE, + bts->nr, 0xff, 0xff); + memcpy(&bts->gprs.cell.timer, bts_cell_timer_default, + sizeof(bts->gprs.cell.timer)); + gsm_mo_init(&bts->gprs.cell.mo, bts, NM_OC_GPRS_CELL, + bts->nr, 0xff, 0xff); + memcpy(&bts->gprs.cell.rlc_cfg, &rlc_cfg_default, + sizeof(bts->gprs.cell.rlc_cfg)); + + /* create our primary TRX */ + bts->c0 = gsm_bts_trx_alloc(bts); + if (!bts->c0) { + talloc_free(bts); + return NULL; + } + bts->c0->ts[0].pchan = GSM_PCHAN_CCCH_SDCCH4; + + bts->rach_b_thresh = -1; + bts->rach_ldavg_slots = -1; + bts->paging.free_chans_need = -1; + + /* si handling */ + bts->bcch_change_mark = 1; + + return bts; +} + +/* reset the state of all MO in the BTS */ +void gsm_bts_mo_reset(struct gsm_bts *bts) +{ + struct gsm_bts_trx *trx; + unsigned int i; + + gsm_abis_mo_reset(&bts->mo); + gsm_abis_mo_reset(&bts->site_mgr.mo); + for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) + gsm_abis_mo_reset(&bts->gprs.nsvc[i].mo); + gsm_abis_mo_reset(&bts->gprs.nse.mo); + gsm_abis_mo_reset(&bts->gprs.cell.mo); + + llist_for_each_entry(trx, &bts->trx_list, list) { + gsm_abis_mo_reset(&trx->mo); + gsm_abis_mo_reset(&trx->bb_transc.mo); + + for (i = 0; i < ARRAY_SIZE(trx->ts); i++) { + struct gsm_bts_trx_ts *ts = &trx->ts[i]; + gsm_abis_mo_reset(&ts->mo); + } + } +} + +struct gsm_bts_trx *gsm_bts_trx_num(const struct gsm_bts *bts, int num) +{ + struct gsm_bts_trx *trx; + + if (num >= bts->num_trx) + return NULL; + + llist_for_each_entry(trx, &bts->trx_list, list) { + if (trx->nr == num) + return trx; + } + + return NULL; +} + +static char ts2str[255]; + +char *gsm_trx_name(const struct gsm_bts_trx *trx) +{ + if (!trx) + snprintf(ts2str, sizeof(ts2str), "(trx=NULL)"); + else + snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d)", + trx->bts->nr, trx->nr); + + return ts2str; +} + + +char *gsm_ts_name(const struct gsm_bts_trx_ts *ts) +{ + snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d)", + ts->trx->bts->nr, ts->trx->nr, ts->nr); + + return ts2str; +} + +/*! Log timeslot number with full pchan information */ +char *gsm_ts_and_pchan_name(const struct gsm_bts_trx_ts *ts) +{ + switch (ts->pchan) { + case GSM_PCHAN_TCH_F_TCH_H_PDCH: + if (ts->dyn.pchan_is == ts->dyn.pchan_want) + snprintf(ts2str, sizeof(ts2str), + "(bts=%d,trx=%d,ts=%d,pchan=%s as %s)", + ts->trx->bts->nr, ts->trx->nr, ts->nr, + gsm_pchan_name(ts->pchan), + gsm_pchan_name(ts->dyn.pchan_is)); + else + snprintf(ts2str, sizeof(ts2str), + "(bts=%d,trx=%d,ts=%d,pchan=%s" + " switching %s -> %s)", + ts->trx->bts->nr, ts->trx->nr, ts->nr, + gsm_pchan_name(ts->pchan), + gsm_pchan_name(ts->dyn.pchan_is), + gsm_pchan_name(ts->dyn.pchan_want)); + break; + case GSM_PCHAN_TCH_F_PDCH: + if ((ts->flags & TS_F_PDCH_PENDING_MASK) == 0) + snprintf(ts2str, sizeof(ts2str), + "(bts=%d,trx=%d,ts=%d,pchan=%s as %s)", + ts->trx->bts->nr, ts->trx->nr, ts->nr, + gsm_pchan_name(ts->pchan), + (ts->flags & TS_F_PDCH_ACTIVE)? "PDCH" + : "TCH/F"); + else + snprintf(ts2str, sizeof(ts2str), + "(bts=%d,trx=%d,ts=%d,pchan=%s" + " switching %s -> %s)", + ts->trx->bts->nr, ts->trx->nr, ts->nr, + gsm_pchan_name(ts->pchan), + (ts->flags & TS_F_PDCH_ACTIVE)? "PDCH" + : "TCH/F", + (ts->flags & TS_F_PDCH_ACT_PENDING)? "PDCH" + : "TCH/F"); + break; + default: + snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d,pchan=%s)", + ts->trx->bts->nr, ts->trx->nr, ts->nr, + gsm_pchan_name(ts->pchan)); + break; + } + + return ts2str; +} + +char *gsm_lchan_name_compute(const struct gsm_lchan *lchan) +{ + struct gsm_bts_trx_ts *ts = lchan->ts; + + snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d,ss=%d)", + ts->trx->bts->nr, ts->trx->nr, ts->nr, lchan->nr); + + return ts2str; +} + +/* obtain the MO structure for a given object instance */ +struct gsm_abis_mo * +gsm_objclass2mo(struct gsm_bts *bts, uint8_t obj_class, + const struct abis_om_obj_inst *obj_inst) +{ + struct gsm_bts_trx *trx; + struct gsm_abis_mo *mo = NULL; + + switch (obj_class) { + case NM_OC_BTS: + mo = &bts->mo; + break; + case NM_OC_RADIO_CARRIER: + if (obj_inst->trx_nr >= bts->num_trx) { + return NULL; + } + trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); + mo = &trx->mo; + break; + case NM_OC_BASEB_TRANSC: + if (obj_inst->trx_nr >= bts->num_trx) { + return NULL; + } + trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); + mo = &trx->bb_transc.mo; + break; + case NM_OC_CHANNEL: + if (obj_inst->trx_nr >= bts->num_trx) { + return NULL; + } + trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); + if (obj_inst->ts_nr >= TRX_NR_TS) + return NULL; + mo = &trx->ts[obj_inst->ts_nr].mo; + break; + case NM_OC_SITE_MANAGER: + mo = &bts->site_mgr.mo; + break; + case NM_OC_BS11: + switch (obj_inst->bts_nr) { + case BS11_OBJ_CCLK: + mo = &bts->bs11.cclk.mo; + break; + case BS11_OBJ_BBSIG: + if (obj_inst->ts_nr > bts->num_trx) + return NULL; + trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); + mo = &trx->bs11.bbsig.mo; + break; + case BS11_OBJ_PA: + if (obj_inst->ts_nr > bts->num_trx) + return NULL; + trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); + mo = &trx->bs11.pa.mo; + break; + default: + return NULL; + } + break; + case NM_OC_BS11_RACK: + mo = &bts->bs11.rack.mo; + break; + case NM_OC_BS11_ENVABTSE: + if (obj_inst->trx_nr >= ARRAY_SIZE(bts->bs11.envabtse)) + return NULL; + mo = &bts->bs11.envabtse[obj_inst->trx_nr].mo; + break; + case NM_OC_GPRS_NSE: + mo = &bts->gprs.nse.mo; + break; + case NM_OC_GPRS_CELL: + mo = &bts->gprs.cell.mo; + break; + case NM_OC_GPRS_NSVC: + if (obj_inst->trx_nr >= ARRAY_SIZE(bts->gprs.nsvc)) + return NULL; + mo = &bts->gprs.nsvc[obj_inst->trx_nr].mo; + break; + } + return mo; +} + +/* obtain the gsm_nm_state data structure for a given object instance */ +struct gsm_nm_state * +gsm_objclass2nmstate(struct gsm_bts *bts, uint8_t obj_class, + const struct abis_om_obj_inst *obj_inst) +{ + struct gsm_abis_mo *mo; + + mo = gsm_objclass2mo(bts, obj_class, obj_inst); + if (!mo) + return NULL; + + return &mo->nm_state; +} + +/* obtain the in-memory data structure of a given object instance */ +void * +gsm_objclass2obj(struct gsm_bts *bts, uint8_t obj_class, + const struct abis_om_obj_inst *obj_inst) +{ + struct gsm_bts_trx *trx; + void *obj = NULL; + + switch (obj_class) { + case NM_OC_BTS: + obj = bts; + break; + case NM_OC_RADIO_CARRIER: + if (obj_inst->trx_nr >= bts->num_trx) { + return NULL; + } + trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); + obj = trx; + break; + case NM_OC_BASEB_TRANSC: + if (obj_inst->trx_nr >= bts->num_trx) { + return NULL; + } + trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); + obj = &trx->bb_transc; + break; + case NM_OC_CHANNEL: + if (obj_inst->trx_nr >= bts->num_trx) { + return NULL; + } + trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); + if (obj_inst->ts_nr >= TRX_NR_TS) + return NULL; + obj = &trx->ts[obj_inst->ts_nr]; + break; + case NM_OC_SITE_MANAGER: + obj = &bts->site_mgr; + break; + case NM_OC_GPRS_NSE: + obj = &bts->gprs.nse; + break; + case NM_OC_GPRS_CELL: + obj = &bts->gprs.cell; + break; + case NM_OC_GPRS_NSVC: + if (obj_inst->trx_nr >= ARRAY_SIZE(bts->gprs.nsvc)) + return NULL; + obj = &bts->gprs.nsvc[obj_inst->trx_nr]; + break; + } + return obj; +} + +/* See Table 10.5.25 of GSM04.08 */ +uint8_t gsm_pchan2chan_nr(enum gsm_phys_chan_config pchan, + uint8_t ts_nr, uint8_t lchan_nr) +{ + uint8_t cbits, chan_nr; + + switch (pchan) { + case GSM_PCHAN_TCH_F: + case GSM_PCHAN_PDCH: + case GSM_PCHAN_TCH_F_PDCH: + OSMO_ASSERT(lchan_nr == 0); + cbits = 0x01; + break; + case GSM_PCHAN_TCH_H: + OSMO_ASSERT(lchan_nr < 2); + cbits = 0x02; + cbits += lchan_nr; + break; + case GSM_PCHAN_CCCH_SDCCH4: + case GSM_PCHAN_CCCH_SDCCH4_CBCH: + /* + * As a special hack for BCCH, lchan_nr == 4 may be passed + * here. This should never be sent in an RSL message. + * See osmo-bts-xxx/oml.c:opstart_compl(). + */ + if (lchan_nr == CCCH_LCHAN) + chan_nr = 0; + else + OSMO_ASSERT(lchan_nr < 4); + cbits = 0x04; + cbits += lchan_nr; + break; + case GSM_PCHAN_SDCCH8_SACCH8C: + case GSM_PCHAN_SDCCH8_SACCH8C_CBCH: + OSMO_ASSERT(lchan_nr < 8); + cbits = 0x08; + cbits += lchan_nr; + break; + default: + case GSM_PCHAN_CCCH: +#ifdef ROLE_BSC + OSMO_ASSERT(lchan_nr == 0); +#else + /* + * FIXME: On octphy and litecell, we hit above assertion (see + * Max's comment at https://gerrit.osmocom.org/589 ); disabled + * for BTS until this is clarified; remove the #ifdef when it + * is fixed. + */ +#warning "fix caller that passes lchan_nr != 0" +#endif + cbits = 0x10; + break; + } + + chan_nr = (cbits << 3) | (ts_nr & 0x7); + + return chan_nr; +} + +uint8_t gsm_lchan2chan_nr(const struct gsm_lchan *lchan) +{ + enum gsm_phys_chan_config pchan = lchan->ts->pchan; + if (pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH) + return gsm_lchan_as_pchan2chan_nr(lchan, + lchan->ts->dyn.pchan_is); + return gsm_pchan2chan_nr(lchan->ts->pchan, lchan->ts->nr, lchan->nr); +} + +uint8_t gsm_lchan_as_pchan2chan_nr(const struct gsm_lchan *lchan, + enum gsm_phys_chan_config as_pchan) +{ + if (lchan->ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH + && as_pchan == GSM_PCHAN_PDCH) + return RSL_CHAN_OSMO_PDCH | (lchan->ts->nr & ~RSL_CHAN_NR_MASK); + return gsm_pchan2chan_nr(as_pchan, lchan->ts->nr, lchan->nr); +} + +/* return the gsm_lchan for the CBCH (if it exists at all) */ +struct gsm_lchan *gsm_bts_get_cbch(struct gsm_bts *bts) +{ + struct gsm_lchan *lchan = NULL; + struct gsm_bts_trx *trx = bts->c0; + + if (trx->ts[0].pchan == GSM_PCHAN_CCCH_SDCCH4_CBCH) + lchan = &trx->ts[0].lchan[2]; + else { + int i; + for (i = 0; i < 8; i++) { + if (trx->ts[i].pchan == GSM_PCHAN_SDCCH8_SACCH8C_CBCH) { + lchan = &trx->ts[i].lchan[2]; + break; + } + } + } + + return lchan; +} + +/* determine logical channel based on TRX and channel number IE */ +struct gsm_lchan *rsl_lchan_lookup(struct gsm_bts_trx *trx, uint8_t chan_nr, + int *rc) +{ + uint8_t ts_nr = chan_nr & 0x07; + uint8_t cbits = chan_nr >> 3; + uint8_t lch_idx; + struct gsm_bts_trx_ts *ts = &trx->ts[ts_nr]; + bool ok = true; + + if (rc) + *rc = -EINVAL; + + if (cbits == 0x01) { + lch_idx = 0; /* TCH/F */ + if (ts->pchan != GSM_PCHAN_TCH_F && + ts->pchan != GSM_PCHAN_PDCH && + ts->pchan != GSM_PCHAN_TCH_F_PDCH + && !(ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH + && (ts->dyn.pchan_is == GSM_PCHAN_TCH_F + || ts->dyn.pchan_want == GSM_PCHAN_TCH_F))) + ok = false; + } else if ((cbits & 0x1e) == 0x02) { + lch_idx = cbits & 0x1; /* TCH/H */ + if (ts->pchan != GSM_PCHAN_TCH_H + && !(ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH + && (ts->dyn.pchan_is == GSM_PCHAN_TCH_H + || ts->dyn.pchan_want == GSM_PCHAN_TCH_H))) + ok = false; + } else if ((cbits & 0x1c) == 0x04) { + lch_idx = cbits & 0x3; /* SDCCH/4 */ + if (ts->pchan != GSM_PCHAN_CCCH_SDCCH4 && + ts->pchan != GSM_PCHAN_CCCH_SDCCH4_CBCH) + ok = false; + } else if ((cbits & 0x18) == 0x08) { + lch_idx = cbits & 0x7; /* SDCCH/8 */ + if (ts->pchan != GSM_PCHAN_SDCCH8_SACCH8C && + ts->pchan != GSM_PCHAN_SDCCH8_SACCH8C_CBCH) + ok = false; + } else if (cbits == 0x10 || cbits == 0x11 || cbits == 0x12) { + lch_idx = 0; + if (ts->pchan != GSM_PCHAN_CCCH && + ts->pchan != GSM_PCHAN_CCCH_SDCCH4 && + ts->pchan != GSM_PCHAN_CCCH_SDCCH4_CBCH) + ok = false; + /* FIXME: we should not return first sdcch4 !!! */ + } else if ((chan_nr & RSL_CHAN_NR_MASK) == RSL_CHAN_OSMO_PDCH) { + lch_idx = 0; + if (ts->pchan != GSM_PCHAN_TCH_F_TCH_H_PDCH) + ok = false; + } else + return NULL; + + if (rc && ok) + *rc = 0; + + return &ts->lchan[lch_idx]; +} + +static const uint8_t subslots_per_pchan[] = { + [GSM_PCHAN_NONE] = 0, + [GSM_PCHAN_CCCH] = 0, + [GSM_PCHAN_PDCH] = 0, + [GSM_PCHAN_CCCH_SDCCH4] = 4, + [GSM_PCHAN_TCH_F] = 1, + [GSM_PCHAN_TCH_H] = 2, + [GSM_PCHAN_SDCCH8_SACCH8C] = 8, + [GSM_PCHAN_CCCH_SDCCH4_CBCH] = 4, + [GSM_PCHAN_SDCCH8_SACCH8C_CBCH] = 8, + /* + * GSM_PCHAN_TCH_F_PDCH and GSM_PCHAN_TCH_F_TCH_H_PDCH should not be + * part of this, those TS are handled according to their dynamic state. + */ +}; + +/*! Return the actual pchan type, also heeding dynamic TS. */ +enum gsm_phys_chan_config ts_pchan(struct gsm_bts_trx_ts *ts) +{ + switch (ts->pchan) { + case GSM_PCHAN_TCH_F_TCH_H_PDCH: + return ts->dyn.pchan_is; + case GSM_PCHAN_TCH_F_PDCH: + if (ts->flags & TS_F_PDCH_ACTIVE) + return GSM_PCHAN_PDCH; + else + return GSM_PCHAN_TCH_F; + default: + return ts->pchan; + } +} + +/*! According to ts->pchan and possibly ts->dyn_pchan, return the number of + * logical channels available in the timeslot. */ +uint8_t ts_subslots(struct gsm_bts_trx_ts *ts) +{ + return subslots_per_pchan[ts_pchan(ts)]; +} + +static bool pchan_is_tch(enum gsm_phys_chan_config pchan) +{ + switch (pchan) { + case GSM_PCHAN_TCH_F: + case GSM_PCHAN_TCH_H: + return true; + default: + return false; + } +} + +bool ts_is_tch(struct gsm_bts_trx_ts *ts) +{ + return pchan_is_tch(ts_pchan(ts)); +} diff --git a/openbsc/src/libcommon/Makefile.am b/openbsc/src/libcommon/Makefile.am index d7e956c3e..714612ff1 100644 --- a/openbsc/src/libcommon/Makefile.am +++ b/openbsc/src/libcommon/Makefile.am @@ -21,7 +21,6 @@ libcommon_a_SOURCES = \ bsc_version.c \ common_vty.c \ debug.c \ - gsm_data_shared.c \ gsup_client.c \ oap_client.c \ socket.c \ diff --git a/openbsc/src/libcommon/gsm_data_shared.c b/openbsc/src/libcommon/gsm_data_shared.c deleted file mode 100644 index 387af7068..000000000 --- a/openbsc/src/libcommon/gsm_data_shared.c +++ /dev/null @@ -1,768 +0,0 @@ -/* (C) 2008-2010 by Harald Welte - * - * All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see . - * - */ - - -#include -#include -#include -#include -#include - -#include - -#include -#include -#include -#include -#include - -#include - -void gsm_abis_mo_reset(struct gsm_abis_mo *mo) -{ - mo->nm_state.operational = NM_OPSTATE_NULL; - mo->nm_state.availability = NM_AVSTATE_POWER_OFF; -} - -static void gsm_mo_init(struct gsm_abis_mo *mo, struct gsm_bts *bts, - uint8_t obj_class, uint8_t p1, uint8_t p2, uint8_t p3) -{ - mo->bts = bts; - mo->obj_class = obj_class; - mo->obj_inst.bts_nr = p1; - mo->obj_inst.trx_nr = p2; - mo->obj_inst.ts_nr = p3; - gsm_abis_mo_reset(mo); -} - -const struct value_string gsm_pchant_names[13] = { - { GSM_PCHAN_NONE, "NONE" }, - { GSM_PCHAN_CCCH, "CCCH" }, - { GSM_PCHAN_CCCH_SDCCH4,"CCCH+SDCCH4" }, - { GSM_PCHAN_TCH_F, "TCH/F" }, - { GSM_PCHAN_TCH_H, "TCH/H" }, - { GSM_PCHAN_SDCCH8_SACCH8C, "SDCCH8" }, - { GSM_PCHAN_PDCH, "PDCH" }, - { GSM_PCHAN_TCH_F_PDCH, "TCH/F_PDCH" }, - { GSM_PCHAN_UNKNOWN, "UNKNOWN" }, - { GSM_PCHAN_CCCH_SDCCH4_CBCH, "CCCH+SDCCH4+CBCH" }, - { GSM_PCHAN_SDCCH8_SACCH8C_CBCH, "SDCCH8+CBCH" }, - { GSM_PCHAN_TCH_F_TCH_H_PDCH, "TCH/F_TCH/H_PDCH" }, - { 0, NULL } -}; - -const struct value_string gsm_pchant_descs[13] = { - { GSM_PCHAN_NONE, "Physical Channel not configured" }, - { GSM_PCHAN_CCCH, "FCCH + SCH + BCCH + CCCH (Comb. IV)" }, - { GSM_PCHAN_CCCH_SDCCH4, - "FCCH + SCH + BCCH + CCCH + 4 SDCCH + 2 SACCH (Comb. V)" }, - { GSM_PCHAN_TCH_F, "TCH/F + FACCH/F + SACCH (Comb. I)" }, - { GSM_PCHAN_TCH_H, "2 TCH/H + 2 FACCH/H + 2 SACCH (Comb. II)" }, - { GSM_PCHAN_SDCCH8_SACCH8C, "8 SDCCH + 4 SACCH (Comb. VII)" }, - { GSM_PCHAN_PDCH, "Packet Data Channel for GPRS/EDGE" }, - { GSM_PCHAN_TCH_F_PDCH, "Dynamic TCH/F or GPRS PDCH" }, - { GSM_PCHAN_UNKNOWN, "Unknown / Unsupported channel combination" }, - { GSM_PCHAN_CCCH_SDCCH4_CBCH, "FCCH + SCH + BCCH + CCCH + CBCH + 3 SDCCH + 2 SACCH (Comb. V)" }, - { GSM_PCHAN_SDCCH8_SACCH8C_CBCH, "7 SDCCH + 4 SACCH + CBCH (Comb. VII)" }, - { GSM_PCHAN_TCH_F_TCH_H_PDCH, "Dynamic TCH/F or TCH/H or GPRS PDCH" }, - { 0, NULL } -}; - -const char *gsm_pchan_name(enum gsm_phys_chan_config c) -{ - return get_value_string(gsm_pchant_names, c); -} - -enum gsm_phys_chan_config gsm_pchan_parse(const char *name) -{ - return get_string_value(gsm_pchant_names, name); -} - -/* TODO: move to libosmocore, next to gsm_chan_t_names? */ -const char *gsm_lchant_name(enum gsm_chan_t c) -{ - return get_value_string(gsm_chan_t_names, c); -} - -static const struct value_string lchan_s_names[] = { - { LCHAN_S_NONE, "NONE" }, - { LCHAN_S_ACT_REQ, "ACTIVATION REQUESTED" }, - { LCHAN_S_ACTIVE, "ACTIVE" }, - { LCHAN_S_INACTIVE, "INACTIVE" }, - { LCHAN_S_REL_REQ, "RELEASE REQUESTED" }, - { LCHAN_S_REL_ERR, "RELEASE DUE ERROR" }, - { LCHAN_S_BROKEN, "BROKEN UNUSABLE" }, - { 0, NULL } -}; - -const char *gsm_lchans_name(enum gsm_lchan_state s) -{ - return get_value_string(lchan_s_names, s); -} - -static const struct value_string chreq_names[] = { - { GSM_CHREQ_REASON_EMERG, "EMERGENCY" }, - { GSM_CHREQ_REASON_PAG, "PAGING" }, - { GSM_CHREQ_REASON_CALL, "CALL" }, - { GSM_CHREQ_REASON_LOCATION_UPD,"LOCATION_UPDATE" }, - { GSM_CHREQ_REASON_OTHER, "OTHER" }, - { 0, NULL } -}; - -const char *gsm_chreq_name(enum gsm_chreq_reason_t c) -{ - return get_value_string(chreq_names, c); -} - -struct gsm_bts *gsm_bts_num(struct gsm_network *net, int num) -{ - struct gsm_bts *bts; - - if (num >= net->num_bts) - return NULL; - - llist_for_each_entry(bts, &net->bts_list, list) { - if (bts->nr == num) - return bts; - } - - return NULL; -} - -struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts) -{ - struct gsm_bts_trx *trx = talloc_zero(bts, struct gsm_bts_trx); - int k; - - if (!trx) - return NULL; - - trx->bts = bts; - trx->nr = bts->num_trx++; - trx->mo.nm_state.administrative = NM_STATE_UNLOCKED; - - gsm_mo_init(&trx->mo, bts, NM_OC_RADIO_CARRIER, - bts->nr, trx->nr, 0xff); - gsm_mo_init(&trx->bb_transc.mo, bts, NM_OC_BASEB_TRANSC, - bts->nr, trx->nr, 0xff); - - for (k = 0; k < TRX_NR_TS; k++) { - struct gsm_bts_trx_ts *ts = &trx->ts[k]; - int l; - - ts->trx = trx; - ts->nr = k; - ts->pchan = GSM_PCHAN_NONE; - ts->dyn.pchan_is = GSM_PCHAN_NONE; - ts->dyn.pchan_want = GSM_PCHAN_NONE; - ts->tsc = -1; - - gsm_mo_init(&ts->mo, bts, NM_OC_CHANNEL, - bts->nr, trx->nr, ts->nr); - - ts->hopping.arfcns.data_len = sizeof(ts->hopping.arfcns_data); - ts->hopping.arfcns.data = ts->hopping.arfcns_data; - ts->hopping.ma.data_len = sizeof(ts->hopping.ma_data); - ts->hopping.ma.data = ts->hopping.ma_data; - - for (l = 0; l < TS_MAX_LCHAN; l++) { - struct gsm_lchan *lchan; - char *name; - lchan = &ts->lchan[l]; - - lchan->ts = ts; - lchan->nr = l; - lchan->type = GSM_LCHAN_NONE; - - name = gsm_lchan_name_compute(lchan); - lchan->name = talloc_strdup(trx, name); -#ifndef ROLE_BSC - INIT_LLIST_HEAD(&lchan->sapi_cmds); -#endif - } - } - - if (trx->nr != 0) - trx->nominal_power = bts->c0->nominal_power; - - llist_add_tail(&trx->list, &bts->trx_list); - - return trx; -} - - -static const uint8_t bts_nse_timer_default[] = { 3, 3, 3, 3, 30, 3, 10 }; -static const uint8_t bts_cell_timer_default[] = - { 3, 3, 3, 3, 3, 10, 3, 10, 3, 10, 3 }; -static const struct gprs_rlc_cfg rlc_cfg_default = { - .parameter = { - [RLC_T3142] = 20, - [RLC_T3169] = 5, - [RLC_T3191] = 5, - [RLC_T3193] = 160, /* 10ms */ - [RLC_T3195] = 5, - [RLC_N3101] = 10, - [RLC_N3103] = 4, - [RLC_N3105] = 8, - [CV_COUNTDOWN] = 15, - [T_DL_TBF_EXT] = 250 * 10, /* ms */ - [T_UL_TBF_EXT] = 250 * 10, /* ms */ - }, - .paging = { - .repeat_time = 5 * 50, /* ms */ - .repeat_count = 3, - }, - .cs_mask = 0x1fff, - .initial_cs = 2, - .initial_mcs = 6, -}; - -struct gsm_bts *gsm_bts_alloc(void *ctx) -{ - struct gsm_bts *bts = talloc_zero(ctx, struct gsm_bts); - int i; - - if (!bts) - return NULL; - - bts->num_trx = 0; - INIT_LLIST_HEAD(&bts->trx_list); - bts->ms_max_power = 15; /* dBm */ - - gsm_mo_init(&bts->mo, bts, NM_OC_BTS, - bts->nr, 0xff, 0xff); - gsm_mo_init(&bts->site_mgr.mo, bts, NM_OC_SITE_MANAGER, - 0xff, 0xff, 0xff); - - for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) { - bts->gprs.nsvc[i].bts = bts; - bts->gprs.nsvc[i].id = i; - gsm_mo_init(&bts->gprs.nsvc[i].mo, bts, NM_OC_GPRS_NSVC, - bts->nr, i, 0xff); - } - memcpy(&bts->gprs.nse.timer, bts_nse_timer_default, - sizeof(bts->gprs.nse.timer)); - gsm_mo_init(&bts->gprs.nse.mo, bts, NM_OC_GPRS_NSE, - bts->nr, 0xff, 0xff); - memcpy(&bts->gprs.cell.timer, bts_cell_timer_default, - sizeof(bts->gprs.cell.timer)); - gsm_mo_init(&bts->gprs.cell.mo, bts, NM_OC_GPRS_CELL, - bts->nr, 0xff, 0xff); - memcpy(&bts->gprs.cell.rlc_cfg, &rlc_cfg_default, - sizeof(bts->gprs.cell.rlc_cfg)); - - /* create our primary TRX */ - bts->c0 = gsm_bts_trx_alloc(bts); - if (!bts->c0) { - talloc_free(bts); - return NULL; - } - bts->c0->ts[0].pchan = GSM_PCHAN_CCCH_SDCCH4; - - bts->rach_b_thresh = -1; - bts->rach_ldavg_slots = -1; - bts->paging.free_chans_need = -1; - - /* si handling */ - bts->bcch_change_mark = 1; - - return bts; -} - -/* reset the state of all MO in the BTS */ -void gsm_bts_mo_reset(struct gsm_bts *bts) -{ - struct gsm_bts_trx *trx; - unsigned int i; - - gsm_abis_mo_reset(&bts->mo); - gsm_abis_mo_reset(&bts->site_mgr.mo); - for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) - gsm_abis_mo_reset(&bts->gprs.nsvc[i].mo); - gsm_abis_mo_reset(&bts->gprs.nse.mo); - gsm_abis_mo_reset(&bts->gprs.cell.mo); - - llist_for_each_entry(trx, &bts->trx_list, list) { - gsm_abis_mo_reset(&trx->mo); - gsm_abis_mo_reset(&trx->bb_transc.mo); - - for (i = 0; i < ARRAY_SIZE(trx->ts); i++) { - struct gsm_bts_trx_ts *ts = &trx->ts[i]; - gsm_abis_mo_reset(&ts->mo); - } - } -} - -struct gsm_bts_trx *gsm_bts_trx_num(const struct gsm_bts *bts, int num) -{ - struct gsm_bts_trx *trx; - - if (num >= bts->num_trx) - return NULL; - - llist_for_each_entry(trx, &bts->trx_list, list) { - if (trx->nr == num) - return trx; - } - - return NULL; -} - -static char ts2str[255]; - -char *gsm_trx_name(const struct gsm_bts_trx *trx) -{ - if (!trx) - snprintf(ts2str, sizeof(ts2str), "(trx=NULL)"); - else - snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d)", - trx->bts->nr, trx->nr); - - return ts2str; -} - - -char *gsm_ts_name(const struct gsm_bts_trx_ts *ts) -{ - snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d)", - ts->trx->bts->nr, ts->trx->nr, ts->nr); - - return ts2str; -} - -/*! Log timeslot number with full pchan information */ -char *gsm_ts_and_pchan_name(const struct gsm_bts_trx_ts *ts) -{ - switch (ts->pchan) { - case GSM_PCHAN_TCH_F_TCH_H_PDCH: - if (ts->dyn.pchan_is == ts->dyn.pchan_want) - snprintf(ts2str, sizeof(ts2str), - "(bts=%d,trx=%d,ts=%d,pchan=%s as %s)", - ts->trx->bts->nr, ts->trx->nr, ts->nr, - gsm_pchan_name(ts->pchan), - gsm_pchan_name(ts->dyn.pchan_is)); - else - snprintf(ts2str, sizeof(ts2str), - "(bts=%d,trx=%d,ts=%d,pchan=%s" - " switching %s -> %s)", - ts->trx->bts->nr, ts->trx->nr, ts->nr, - gsm_pchan_name(ts->pchan), - gsm_pchan_name(ts->dyn.pchan_is), - gsm_pchan_name(ts->dyn.pchan_want)); - break; - case GSM_PCHAN_TCH_F_PDCH: - if ((ts->flags & TS_F_PDCH_PENDING_MASK) == 0) - snprintf(ts2str, sizeof(ts2str), - "(bts=%d,trx=%d,ts=%d,pchan=%s as %s)", - ts->trx->bts->nr, ts->trx->nr, ts->nr, - gsm_pchan_name(ts->pchan), - (ts->flags & TS_F_PDCH_ACTIVE)? "PDCH" - : "TCH/F"); - else - snprintf(ts2str, sizeof(ts2str), - "(bts=%d,trx=%d,ts=%d,pchan=%s" - " switching %s -> %s)", - ts->trx->bts->nr, ts->trx->nr, ts->nr, - gsm_pchan_name(ts->pchan), - (ts->flags & TS_F_PDCH_ACTIVE)? "PDCH" - : "TCH/F", - (ts->flags & TS_F_PDCH_ACT_PENDING)? "PDCH" - : "TCH/F"); - break; - default: - snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d,pchan=%s)", - ts->trx->bts->nr, ts->trx->nr, ts->nr, - gsm_pchan_name(ts->pchan)); - break; - } - - return ts2str; -} - -char *gsm_lchan_name_compute(const struct gsm_lchan *lchan) -{ - struct gsm_bts_trx_ts *ts = lchan->ts; - - snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d,ss=%d)", - ts->trx->bts->nr, ts->trx->nr, ts->nr, lchan->nr); - - return ts2str; -} - -/* obtain the MO structure for a given object instance */ -struct gsm_abis_mo * -gsm_objclass2mo(struct gsm_bts *bts, uint8_t obj_class, - const struct abis_om_obj_inst *obj_inst) -{ - struct gsm_bts_trx *trx; - struct gsm_abis_mo *mo = NULL; - - switch (obj_class) { - case NM_OC_BTS: - mo = &bts->mo; - break; - case NM_OC_RADIO_CARRIER: - if (obj_inst->trx_nr >= bts->num_trx) { - return NULL; - } - trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); - mo = &trx->mo; - break; - case NM_OC_BASEB_TRANSC: - if (obj_inst->trx_nr >= bts->num_trx) { - return NULL; - } - trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); - mo = &trx->bb_transc.mo; - break; - case NM_OC_CHANNEL: - if (obj_inst->trx_nr >= bts->num_trx) { - return NULL; - } - trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); - if (obj_inst->ts_nr >= TRX_NR_TS) - return NULL; - mo = &trx->ts[obj_inst->ts_nr].mo; - break; - case NM_OC_SITE_MANAGER: - mo = &bts->site_mgr.mo; - break; - case NM_OC_BS11: - switch (obj_inst->bts_nr) { - case BS11_OBJ_CCLK: - mo = &bts->bs11.cclk.mo; - break; - case BS11_OBJ_BBSIG: - if (obj_inst->ts_nr > bts->num_trx) - return NULL; - trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); - mo = &trx->bs11.bbsig.mo; - break; - case BS11_OBJ_PA: - if (obj_inst->ts_nr > bts->num_trx) - return NULL; - trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); - mo = &trx->bs11.pa.mo; - break; - default: - return NULL; - } - break; - case NM_OC_BS11_RACK: - mo = &bts->bs11.rack.mo; - break; - case NM_OC_BS11_ENVABTSE: - if (obj_inst->trx_nr >= ARRAY_SIZE(bts->bs11.envabtse)) - return NULL; - mo = &bts->bs11.envabtse[obj_inst->trx_nr].mo; - break; - case NM_OC_GPRS_NSE: - mo = &bts->gprs.nse.mo; - break; - case NM_OC_GPRS_CELL: - mo = &bts->gprs.cell.mo; - break; - case NM_OC_GPRS_NSVC: - if (obj_inst->trx_nr >= ARRAY_SIZE(bts->gprs.nsvc)) - return NULL; - mo = &bts->gprs.nsvc[obj_inst->trx_nr].mo; - break; - } - return mo; -} - -/* obtain the gsm_nm_state data structure for a given object instance */ -struct gsm_nm_state * -gsm_objclass2nmstate(struct gsm_bts *bts, uint8_t obj_class, - const struct abis_om_obj_inst *obj_inst) -{ - struct gsm_abis_mo *mo; - - mo = gsm_objclass2mo(bts, obj_class, obj_inst); - if (!mo) - return NULL; - - return &mo->nm_state; -} - -/* obtain the in-memory data structure of a given object instance */ -void * -gsm_objclass2obj(struct gsm_bts *bts, uint8_t obj_class, - const struct abis_om_obj_inst *obj_inst) -{ - struct gsm_bts_trx *trx; - void *obj = NULL; - - switch (obj_class) { - case NM_OC_BTS: - obj = bts; - break; - case NM_OC_RADIO_CARRIER: - if (obj_inst->trx_nr >= bts->num_trx) { - return NULL; - } - trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); - obj = trx; - break; - case NM_OC_BASEB_TRANSC: - if (obj_inst->trx_nr >= bts->num_trx) { - return NULL; - } - trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); - obj = &trx->bb_transc; - break; - case NM_OC_CHANNEL: - if (obj_inst->trx_nr >= bts->num_trx) { - return NULL; - } - trx = gsm_bts_trx_num(bts, obj_inst->trx_nr); - if (obj_inst->ts_nr >= TRX_NR_TS) - return NULL; - obj = &trx->ts[obj_inst->ts_nr]; - break; - case NM_OC_SITE_MANAGER: - obj = &bts->site_mgr; - break; - case NM_OC_GPRS_NSE: - obj = &bts->gprs.nse; - break; - case NM_OC_GPRS_CELL: - obj = &bts->gprs.cell; - break; - case NM_OC_GPRS_NSVC: - if (obj_inst->trx_nr >= ARRAY_SIZE(bts->gprs.nsvc)) - return NULL; - obj = &bts->gprs.nsvc[obj_inst->trx_nr]; - break; - } - return obj; -} - -/* See Table 10.5.25 of GSM04.08 */ -uint8_t gsm_pchan2chan_nr(enum gsm_phys_chan_config pchan, - uint8_t ts_nr, uint8_t lchan_nr) -{ - uint8_t cbits, chan_nr; - - switch (pchan) { - case GSM_PCHAN_TCH_F: - case GSM_PCHAN_PDCH: - case GSM_PCHAN_TCH_F_PDCH: - OSMO_ASSERT(lchan_nr == 0); - cbits = 0x01; - break; - case GSM_PCHAN_TCH_H: - OSMO_ASSERT(lchan_nr < 2); - cbits = 0x02; - cbits += lchan_nr; - break; - case GSM_PCHAN_CCCH_SDCCH4: - case GSM_PCHAN_CCCH_SDCCH4_CBCH: - /* - * As a special hack for BCCH, lchan_nr == 4 may be passed - * here. This should never be sent in an RSL message. - * See osmo-bts-xxx/oml.c:opstart_compl(). - */ - if (lchan_nr == CCCH_LCHAN) - chan_nr = 0; - else - OSMO_ASSERT(lchan_nr < 4); - cbits = 0x04; - cbits += lchan_nr; - break; - case GSM_PCHAN_SDCCH8_SACCH8C: - case GSM_PCHAN_SDCCH8_SACCH8C_CBCH: - OSMO_ASSERT(lchan_nr < 8); - cbits = 0x08; - cbits += lchan_nr; - break; - default: - case GSM_PCHAN_CCCH: -#ifdef ROLE_BSC - OSMO_ASSERT(lchan_nr == 0); -#else - /* - * FIXME: On octphy and litecell, we hit above assertion (see - * Max's comment at https://gerrit.osmocom.org/589 ); disabled - * for BTS until this is clarified; remove the #ifdef when it - * is fixed. - */ -#warning "fix caller that passes lchan_nr != 0" -#endif - cbits = 0x10; - break; - } - - chan_nr = (cbits << 3) | (ts_nr & 0x7); - - return chan_nr; -} - -uint8_t gsm_lchan2chan_nr(const struct gsm_lchan *lchan) -{ - enum gsm_phys_chan_config pchan = lchan->ts->pchan; - if (pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH) - return gsm_lchan_as_pchan2chan_nr(lchan, - lchan->ts->dyn.pchan_is); - return gsm_pchan2chan_nr(lchan->ts->pchan, lchan->ts->nr, lchan->nr); -} - -uint8_t gsm_lchan_as_pchan2chan_nr(const struct gsm_lchan *lchan, - enum gsm_phys_chan_config as_pchan) -{ - if (lchan->ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH - && as_pchan == GSM_PCHAN_PDCH) - return RSL_CHAN_OSMO_PDCH | (lchan->ts->nr & ~RSL_CHAN_NR_MASK); - return gsm_pchan2chan_nr(as_pchan, lchan->ts->nr, lchan->nr); -} - -/* return the gsm_lchan for the CBCH (if it exists at all) */ -struct gsm_lchan *gsm_bts_get_cbch(struct gsm_bts *bts) -{ - struct gsm_lchan *lchan = NULL; - struct gsm_bts_trx *trx = bts->c0; - - if (trx->ts[0].pchan == GSM_PCHAN_CCCH_SDCCH4_CBCH) - lchan = &trx->ts[0].lchan[2]; - else { - int i; - for (i = 0; i < 8; i++) { - if (trx->ts[i].pchan == GSM_PCHAN_SDCCH8_SACCH8C_CBCH) { - lchan = &trx->ts[i].lchan[2]; - break; - } - } - } - - return lchan; -} - -/* determine logical channel based on TRX and channel number IE */ -struct gsm_lchan *rsl_lchan_lookup(struct gsm_bts_trx *trx, uint8_t chan_nr, - int *rc) -{ - uint8_t ts_nr = chan_nr & 0x07; - uint8_t cbits = chan_nr >> 3; - uint8_t lch_idx; - struct gsm_bts_trx_ts *ts = &trx->ts[ts_nr]; - bool ok = true; - - if (rc) - *rc = -EINVAL; - - if (cbits == 0x01) { - lch_idx = 0; /* TCH/F */ - if (ts->pchan != GSM_PCHAN_TCH_F && - ts->pchan != GSM_PCHAN_PDCH && - ts->pchan != GSM_PCHAN_TCH_F_PDCH - && !(ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH - && (ts->dyn.pchan_is == GSM_PCHAN_TCH_F - || ts->dyn.pchan_want == GSM_PCHAN_TCH_F))) - ok = false; - } else if ((cbits & 0x1e) == 0x02) { - lch_idx = cbits & 0x1; /* TCH/H */ - if (ts->pchan != GSM_PCHAN_TCH_H - && !(ts->pchan == GSM_PCHAN_TCH_F_TCH_H_PDCH - && (ts->dyn.pchan_is == GSM_PCHAN_TCH_H - || ts->dyn.pchan_want == GSM_PCHAN_TCH_H))) - ok = false; - } else if ((cbits & 0x1c) == 0x04) { - lch_idx = cbits & 0x3; /* SDCCH/4 */ - if (ts->pchan != GSM_PCHAN_CCCH_SDCCH4 && - ts->pchan != GSM_PCHAN_CCCH_SDCCH4_CBCH) - ok = false; - } else if ((cbits & 0x18) == 0x08) { - lch_idx = cbits & 0x7; /* SDCCH/8 */ - if (ts->pchan != GSM_PCHAN_SDCCH8_SACCH8C && - ts->pchan != GSM_PCHAN_SDCCH8_SACCH8C_CBCH) - ok = false; - } else if (cbits == 0x10 || cbits == 0x11 || cbits == 0x12) { - lch_idx = 0; - if (ts->pchan != GSM_PCHAN_CCCH && - ts->pchan != GSM_PCHAN_CCCH_SDCCH4 && - ts->pchan != GSM_PCHAN_CCCH_SDCCH4_CBCH) - ok = false; - /* FIXME: we should not return first sdcch4 !!! */ - } else if ((chan_nr & RSL_CHAN_NR_MASK) == RSL_CHAN_OSMO_PDCH) { - lch_idx = 0; - if (ts->pchan != GSM_PCHAN_TCH_F_TCH_H_PDCH) - ok = false; - } else - return NULL; - - if (rc && ok) - *rc = 0; - - return &ts->lchan[lch_idx]; -} - -static const uint8_t subslots_per_pchan[] = { - [GSM_PCHAN_NONE] = 0, - [GSM_PCHAN_CCCH] = 0, - [GSM_PCHAN_PDCH] = 0, - [GSM_PCHAN_CCCH_SDCCH4] = 4, - [GSM_PCHAN_TCH_F] = 1, - [GSM_PCHAN_TCH_H] = 2, - [GSM_PCHAN_SDCCH8_SACCH8C] = 8, - [GSM_PCHAN_CCCH_SDCCH4_CBCH] = 4, - [GSM_PCHAN_SDCCH8_SACCH8C_CBCH] = 8, - /* - * GSM_PCHAN_TCH_F_PDCH and GSM_PCHAN_TCH_F_TCH_H_PDCH should not be - * part of this, those TS are handled according to their dynamic state. - */ -}; - -/*! Return the actual pchan type, also heeding dynamic TS. */ -enum gsm_phys_chan_config ts_pchan(struct gsm_bts_trx_ts *ts) -{ - switch (ts->pchan) { - case GSM_PCHAN_TCH_F_TCH_H_PDCH: - return ts->dyn.pchan_is; - case GSM_PCHAN_TCH_F_PDCH: - if (ts->flags & TS_F_PDCH_ACTIVE) - return GSM_PCHAN_PDCH; - else - return GSM_PCHAN_TCH_F; - default: - return ts->pchan; - } -} - -/*! According to ts->pchan and possibly ts->dyn_pchan, return the number of - * logical channels available in the timeslot. */ -uint8_t ts_subslots(struct gsm_bts_trx_ts *ts) -{ - return subslots_per_pchan[ts_pchan(ts)]; -} - -static bool pchan_is_tch(enum gsm_phys_chan_config pchan) -{ - switch (pchan) { - case GSM_PCHAN_TCH_F: - case GSM_PCHAN_TCH_H: - return true; - default: - return false; - } -} - -bool ts_is_tch(struct gsm_bts_trx_ts *ts) -{ - return pchan_is_tch(ts_pchan(ts)); -} diff --git a/openbsc/src/utils/Makefile.am b/openbsc/src/utils/Makefile.am index ab4f3ced6..ceef708ed 100644 --- a/openbsc/src/utils/Makefile.am +++ b/openbsc/src/utils/Makefile.am @@ -129,6 +129,7 @@ meas_json_SOURCES = \ meas_json_LDADD = \ $(top_builddir)/src/libcommon/libcommon.a \ + $(top_builddir)/src/libcommon-cs/libcommon-cs.a \ $(LIBOSMOCORE_LIBS) \ $(LIBOSMOGSM_LIBS) \ $(NULL) -- cgit v1.2.3