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-rw-r--r--src/libbsc/bts_ericsson_rbs2000.c164
1 files changed, 164 insertions, 0 deletions
diff --git a/src/libbsc/bts_ericsson_rbs2000.c b/src/libbsc/bts_ericsson_rbs2000.c
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+++ b/src/libbsc/bts_ericsson_rbs2000.c
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+/* 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);
+}