2020-07-03 15:27:01 +00:00
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/* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org>
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* (C) 2020 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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2020-09-15 11:36:02 +00:00
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#include <osmocom/gsm/abis_nm.h>
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2020-07-03 15:27:01 +00:00
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#include <osmo-bts/logging.h>
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#include <osmo-bts/gsm_data.h>
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#include <osmo-bts/bts_trx.h>
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#include <osmo-bts/bts.h>
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#include <osmo-bts/bts_model.h>
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#include <osmo-bts/rsl.h>
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2020-09-15 11:36:02 +00:00
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#include <osmo-bts/phy_link.h>
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2020-07-03 15:27:01 +00:00
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struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts)
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{
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struct gsm_bts_trx *trx = talloc_zero(bts, struct gsm_bts_trx);
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int k;
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if (!trx)
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return NULL;
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trx->bts = bts;
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trx->nr = bts->num_trx++;
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gsm_mo_init(&trx->mo, bts, NM_OC_RADIO_CARRIER,
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bts->nr, trx->nr, 0xff);
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gsm_mo_init(&trx->bb_transc.mo, bts, NM_OC_BASEB_TRANSC,
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bts->nr, trx->nr, 0xff);
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for (k = 0; k < TRX_NR_TS; k++) {
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struct gsm_bts_trx_ts *ts = &trx->ts[k];
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int l;
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ts->trx = trx;
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ts->nr = k;
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ts->pchan = GSM_PCHAN_NONE;
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ts->dyn.pchan_is = GSM_PCHAN_NONE;
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ts->dyn.pchan_want = GSM_PCHAN_NONE;
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ts->tsc = -1;
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gsm_mo_init(&ts->mo, bts, NM_OC_CHANNEL,
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bts->nr, trx->nr, ts->nr);
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for (l = 0; l < TS_MAX_LCHAN; l++) {
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struct gsm_lchan *lchan;
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char *name;
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lchan = &ts->lchan[l];
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lchan->ts = ts;
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lchan->nr = l;
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lchan->type = GSM_LCHAN_NONE;
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name = gsm_lchan_name_compute(lchan);
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lchan->name = talloc_strdup(trx, name);
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INIT_LLIST_HEAD(&lchan->sapi_cmds);
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}
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}
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if (trx->nr != 0)
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trx->nominal_power = bts->c0->nominal_power;
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llist_add_tail(&trx->list, &bts->trx_list);
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return trx;
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}
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/* Initialize the TRX data structures, called before config
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* file reading */
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int bts_trx_init(struct gsm_bts_trx *trx)
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{
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/* initialize bts data structure */
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struct trx_power_params *tpp = &trx->power_params;
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int rc, i;
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for (i = 0; i < ARRAY_SIZE(trx->ts); i++) {
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struct gsm_bts_trx_ts *ts = &trx->ts[i];
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int k;
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for (k = 0; k < ARRAY_SIZE(ts->lchan); k++) {
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struct gsm_lchan *lchan = &ts->lchan[k];
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INIT_LLIST_HEAD(&lchan->dl_tch_queue);
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}
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}
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/* Default values for the power adjustments */
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tpp->ramp.max_initial_pout_mdBm = to_mdB(0);
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tpp->ramp.step_size_mdB = to_mdB(2);
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tpp->ramp.step_interval_sec = 1;
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/* IF BTS model doesn't DSP/HW support MS Power Control Loop, enable osmo algo by default: */
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if (!bts_internal_flag_get(trx->bts, BTS_INTERNAL_FLAG_MS_PWR_CTRL_DSP))
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trx->ms_pwr_ctl_soft = true;
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rc = bts_model_trx_init(trx);
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if (rc < 0) {
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llist_del(&trx->list);
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return rc;
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}
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return 0;
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}
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struct gsm_bts_trx *gsm_bts_trx_num(const struct gsm_bts *bts, int num)
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{
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struct gsm_bts_trx *trx;
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if (num >= bts->num_trx)
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return NULL;
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llist_for_each_entry(trx, &bts->trx_list, list) {
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if (trx->nr == num)
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return trx;
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}
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return NULL;
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}
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static char ts2str[255];
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char *gsm_trx_name(const struct gsm_bts_trx *trx)
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{
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if (!trx)
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snprintf(ts2str, sizeof(ts2str), "(trx=NULL)");
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else
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snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d)",
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trx->bts->nr, trx->nr);
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return ts2str;
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}
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const char *gsm_trx_unit_id(struct gsm_bts_trx *trx)
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{
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static char buf[23];
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snprintf(buf, sizeof(buf), "%u/%u/%u", trx->bts->ip_access.site_id,
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trx->bts->ip_access.bts_id, trx->nr);
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return buf;
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}
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/* RSL link is established, send status report */
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int trx_link_estab(struct gsm_bts_trx *trx)
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{
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struct e1inp_sign_link *link = trx->rsl_link;
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int rc;
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2020-07-06 12:29:02 +00:00
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LOGPTRX(trx, DSUM, LOGL_INFO, "RSL link %s\n",
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link ? "up" : "down");
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2020-07-03 15:27:01 +00:00
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2020-09-15 11:36:02 +00:00
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trx_operability_update(trx);
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2020-07-03 15:27:01 +00:00
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if (link)
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rc = rsl_tx_rf_res(trx);
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else
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rc = bts_model_trx_deact_rf(trx);
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if (rc < 0) {
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oml_tx_failure_event_rep(&trx->bb_transc.mo, NM_SEVER_MAJOR, OSMO_EVT_MAJ_RSL_FAIL,
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link ?
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"Failed to establish RSL link (%d)" :
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"Failed to deactivate RF (%d)", rc);
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}
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return 0;
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}
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2020-09-15 11:36:02 +00:00
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/* set the availability of the TRX based on internal state (RSL + phy link) */
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void trx_operability_update(struct gsm_bts_trx *trx)
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2020-07-03 15:27:01 +00:00
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{
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2020-09-15 11:36:02 +00:00
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enum abis_nm_op_state op_st;
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enum abis_nm_avail_state avail_st;
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struct phy_instance *pinst = trx_phy_instance(trx);
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op_st = (trx->rsl_link && phy_link_state_get(pinst->phy_link) == PHY_LINK_CONNECTED) ?
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NM_OPSTATE_ENABLED : NM_OPSTATE_DISABLED;
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avail_st = (op_st == NM_OPSTATE_ENABLED) ? NM_AVSTATE_OK : NM_AVSTATE_NOT_INSTALLED;
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LOGPTRX(trx, DSUM, LOGL_INFO, "Setting operative = %s\n", abis_nm_opstate_name(op_st));
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oml_mo_state_chg(&trx->mo, op_st, avail_st);
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oml_mo_state_chg(&trx->bb_transc.mo, -1, avail_st);
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2020-07-03 15:27:01 +00:00
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}
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2020-08-02 18:53:40 +00:00
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bool trx_ms_pwr_ctrl_is_osmo(const struct gsm_bts_trx *trx)
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2020-07-03 15:27:01 +00:00
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{
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return trx->ms_pwr_ctl_soft;
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}
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