diff options
Diffstat (limited to 'src/libbsc/bts_ericsson_rbs2000.c')
| -rw-r--r-- | src/libbsc/bts_ericsson_rbs2000.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/libbsc/bts_ericsson_rbs2000.c b/src/libbsc/bts_ericsson_rbs2000.c new file mode 100644 index 000000000..27d5ce6f7 --- /dev/null +++ b/src/libbsc/bts_ericsson_rbs2000.c @@ -0,0 +1,164 @@ +/* Ericsson RBS-2xxx specific code */ + +/* (C) 2011 by Harald Welte <laforge@gnumonks.org> + * + * 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 <http://www.gnu.org/licenses/>. + * + */ + +#include <sys/types.h> + +#include <osmocore/tlv.h> + +#include <openbsc/debug.h> +#include <openbsc/gsm_data.h> +#include <openbsc/abis_om2000.h> +#include <openbsc/e1_input.h> +#include <openbsc/signal.h> + +#include "../libabis/input/lapd.h" + +static void bootstrap_om_bts(struct gsm_bts *bts) +{ + LOGP(DNM, LOGL_NOTICE, "bootstrapping OML for BTS %u\n", bts->nr); + abis_om2k_tx_start_req(bts, &om2k_mo_cf); + /* FIXME */ +} + +static void bootstrap_om_trx(struct gsm_bts_trx *trx) +{ + LOGP(DNM, LOGL_NOTICE, "bootstrapping OML for TRX %u/%u\n", + trx->bts->nr, trx->nr); + /* FIXME */ +} + +static int shutdown_om(struct gsm_bts *bts) +{ + /* FIXME */ + return 0; +} + + +/* Tell LAPD to start start the SAP (send SABM requests) for all signalling + * timeslots in this line */ +static void start_sabm_in_line(struct e1inp_line *line, int start) +{ + struct e1inp_sign_link *link; + int i; + + for (i = 0; i < ARRAY_SIZE(line->ts); i++) { + struct e1inp_ts *ts = &line->ts[i]; + + if (ts->type != E1INP_TS_TYPE_SIGN) + continue; + + llist_for_each_entry(link, &ts->sign.sign_links, list) { + if (start) + lapd_sap_start(ts->driver.dahdi.lapd, link->tei, link->sapi); + else + lapd_sap_stop(ts->driver.dahdi.lapd, link->tei, link->sapi); + } + } +} + +/* Callback function to be called every time we receive a signal from INPUT */ +static int gbl_sig_cb(unsigned int subsys, unsigned int signal, + void *handler_data, void *signal_data) +{ + struct gsm_bts *bts; + + if (subsys != SS_GLOBAL) + return 0; + + switch (signal) { + case S_GLOBAL_BTS_CLOSE_OM: + bts = signal_data; + if (bts->type == GSM_BTS_TYPE_RBS2000) + shutdown_om(signal_data); + break; + } + + return 0; +} + +/* Callback function to be called every time we receive a signal from INPUT */ +static int inp_sig_cb(unsigned int subsys, unsigned int signal, + void *handler_data, void *signal_data) +{ + struct input_signal_data *isd = signal_data; + + if (subsys != SS_INPUT) + return 0; + + switch (signal) { + case S_INP_TEI_UP: + switch (isd->link_type) { + case E1INP_SIGN_OML: + if (isd->trx->bts->type != GSM_BTS_TYPE_RBS2000) + break; + if (isd->tei == isd->trx->bts->oml_tei) + bootstrap_om_bts(isd->trx->bts); + else + bootstrap_om_trx(isd->trx); + break; + } + break; + case S_INP_LINE_INIT: + /* Right now Ericsson RBS are only supported on DAHDI */ + if (strcasecmp(isd->line->driver->name, "DAHDI")) + break; + start_sabm_in_line(isd->line, 1); + break; + case S_INP_LINE_ALARM: + if (strcasecmp(isd->line->driver->name, "DAHDI")) + break; + start_sabm_in_line(isd->line, 0); + break; + case S_INP_LINE_NOALARM: + if (strcasecmp(isd->line->driver->name, "DAHDI")) + break; + start_sabm_in_line(isd->line, 1); + break; + } + + return 0; +} + +static void config_write_bts(struct vty *vty, struct gsm_bts *bts) +{ + abis_om2k_config_write_bts(vty, bts); +} + +static struct gsm_bts_model model_rbs2k = { + .type = GSM_BTS_TYPE_RBS2000, + .name = "rbs2000", + .oml_rcvmsg = &abis_om2k_rcvmsg, + .config_write_bts = &config_write_bts, +}; + +int bts_model_rbs2k_init(void) +{ + model_rbs2k.features.data = &model_rbs2k._features_data[0]; + model_rbs2k.features.data_len = sizeof(model_rbs2k._features_data); + + gsm_btsmodel_set_feature(&model_rbs2k, BTS_FEAT_HOPPING); + gsm_btsmodel_set_feature(&model_rbs2k, BTS_FEAT_HSCSD); + + register_signal_handler(SS_INPUT, inp_sig_cb, NULL); + register_signal_handler(SS_GLOBAL, gbl_sig_cb, NULL); + + return gsm_bts_model_register(&model_rbs2k); +} |