203 lines
5.4 KiB
C
203 lines
5.4 KiB
C
/* Ericsson RBS-2xxx specific code */
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/* (C) 2011 by Harald Welte <laforge@gnumonks.org>
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*
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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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#include <osmocom/gsm/tlv.h>
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#include <openbsc/debug.h>
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#include <openbsc/gsm_data.h>
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#include <openbsc/abis_om2000.h>
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#include <openbsc/abis_nm.h>
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#include <osmocom/abis/e1_input.h>
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#include <openbsc/signal.h>
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#include <osmocom/abis/lapd.h>
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static void bootstrap_om_bts(struct gsm_bts *bts)
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{
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LOGP(DNM, LOGL_NOTICE, "bootstrapping OML for BTS %u\n", bts->nr);
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/* FIXME: this is global init, not bootstrapping */
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abis_om2k_bts_init(bts);
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abis_om2k_trx_init(bts->c0);
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/* TODO: Should we wait for a Failure report? */
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om2k_bts_fsm_start(bts);
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}
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static void bootstrap_om_trx(struct gsm_bts_trx *trx)
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{
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LOGP(DNM, LOGL_NOTICE, "bootstrapping OML for TRX %u/%u\n",
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trx->bts->nr, trx->nr);
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/* FIXME */
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}
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static int shutdown_om(struct gsm_bts *bts)
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{
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/* FIXME */
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return 0;
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}
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/* Tell LAPD to start start the SAP (send SABM requests) for all signalling
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* timeslots in this line */
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static void start_sabm_in_line(struct e1inp_line *line, int start)
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{
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struct e1inp_sign_link *link;
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int i;
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for (i = 0; i < ARRAY_SIZE(line->ts); i++) {
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struct e1inp_ts *ts = &line->ts[i];
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if (ts->type != E1INP_TS_TYPE_SIGN)
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continue;
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llist_for_each_entry(link, &ts->sign.sign_links, list) {
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if (!ts->lapd)
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continue;
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lapd_instance_set_profile(ts->lapd,
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&lapd_profile_abis_ericsson);
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if (start)
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lapd_sap_start(ts->lapd, link->tei, link->sapi);
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else
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lapd_sap_stop(ts->lapd, link->tei, link->sapi);
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}
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}
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}
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/* Callback function to be called every time we receive a signal from INPUT */
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static int gbl_sig_cb(unsigned int subsys, unsigned int signal,
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void *handler_data, void *signal_data)
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{
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struct gsm_bts *bts;
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if (subsys != SS_L_GLOBAL)
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return 0;
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switch (signal) {
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case S_GLOBAL_BTS_CLOSE_OM:
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bts = signal_data;
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if (bts->type == GSM_BTS_TYPE_RBS2000)
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shutdown_om(signal_data);
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break;
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}
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return 0;
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}
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/* Callback function to be called every time we receive a signal from INPUT */
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static int inp_sig_cb(unsigned int subsys, unsigned int signal,
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void *handler_data, void *signal_data)
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{
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struct input_signal_data *isd = signal_data;
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struct e1inp_ts *e1i_ts;
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if (subsys != SS_L_INPUT)
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return 0;
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switch (signal) {
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case S_L_INP_TEI_UP:
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switch (isd->link_type) {
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case E1INP_SIGN_OML:
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if (isd->trx->bts->type != GSM_BTS_TYPE_RBS2000)
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break;
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if (isd->tei == isd->trx->bts->oml_tei)
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bootstrap_om_bts(isd->trx->bts);
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else
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bootstrap_om_trx(isd->trx);
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break;
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}
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break;
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case S_L_INP_TEI_DN:
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if (isd->trx->bts->type != GSM_BTS_TYPE_RBS2000)
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break;
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LOGP(DNM, LOGL_NOTICE, "Line-%u TS-%u TEI-%u SAPI-%u: Link "
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"Lost for Ericsson RBS2000. Re-starting DL Establishment\n",
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isd->line->num, isd->ts_nr, isd->tei, isd->sapi);
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/* Some datalink for a given TEI/SAPI went down, try to re-start it */
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e1i_ts = &isd->line->ts[isd->ts_nr-1];
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OSMO_ASSERT(e1i_ts->type == E1INP_TS_TYPE_SIGN);
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lapd_sap_start(e1i_ts->lapd, isd->tei, isd->sapi);
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break;
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case S_L_INP_LINE_INIT:
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case S_L_INP_LINE_NOALARM:
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if (strcasecmp(isd->line->driver->name, "DAHDI")
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&& strcasecmp(isd->line->driver->name, "MISDN_LAPD")
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&& strcasecmp(isd->line->driver->name, "UNIXSOCKET"))
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break;
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start_sabm_in_line(isd->line, 1);
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break;
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case S_L_INP_LINE_ALARM:
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if (strcasecmp(isd->line->driver->name, "DAHDI")
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&& strcasecmp(isd->line->driver->name, "MISDN_LAPD")
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&& strcasecmp(isd->line->driver->name, "UNIXSOCKET"))
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break;
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start_sabm_in_line(isd->line, 0);
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break;
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}
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return 0;
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}
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static void config_write_bts(struct vty *vty, struct gsm_bts *bts)
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{
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abis_om2k_config_write_bts(vty, bts);
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}
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static int bts_model_rbs2k_start(struct gsm_network *net);
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static void bts_model_rbs2k_e1line_bind_ops(struct e1inp_line *line)
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{
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e1inp_line_bind_ops(line, &bts_isdn_e1inp_line_ops);
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}
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static struct gsm_bts_model model_rbs2k = {
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.type = GSM_BTS_TYPE_RBS2000,
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.name = "rbs2000",
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.start = bts_model_rbs2k_start,
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.oml_rcvmsg = &abis_om2k_rcvmsg,
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.config_write_bts = &config_write_bts,
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.e1line_bind_ops = &bts_model_rbs2k_e1line_bind_ops,
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};
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static int bts_model_rbs2k_start(struct gsm_network *net)
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{
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model_rbs2k.features.data = &model_rbs2k._features_data[0];
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model_rbs2k.features.data_len = sizeof(model_rbs2k._features_data);
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gsm_btsmodel_set_feature(&model_rbs2k, BTS_FEAT_GPRS);
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gsm_btsmodel_set_feature(&model_rbs2k, BTS_FEAT_EGPRS);
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gsm_btsmodel_set_feature(&model_rbs2k, BTS_FEAT_HOPPING);
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gsm_btsmodel_set_feature(&model_rbs2k, BTS_FEAT_HSCSD);
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gsm_btsmodel_set_feature(&model_rbs2k, BTS_FEAT_MULTI_TSC);
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osmo_signal_register_handler(SS_L_INPUT, inp_sig_cb, NULL);
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osmo_signal_register_handler(SS_L_GLOBAL, gbl_sig_cb, NULL);
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return 0;
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}
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int bts_model_rbs2k_init(void)
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{
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return gsm_bts_model_register(&model_rbs2k);
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}
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