move openbsc/* to repos root

This is the first step in creating this repository from the legacy openbsc.git.

Like all other Osmocom repositories, keep the autoconf and automake files in
the repository root. openbsc.git has been the sole exception, which ends now.

Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7

1 files changed, 204 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..99da4e75f
--- /dev/null
+++ b/src/libbsc/bts_ericsson_rbs2000.c
@@ -0,0 +1,204 @@
+/* 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 <osmocom/gsm/tlv.h>
+
+#include <openbsc/debug.h>
+#include <openbsc/gsm_data.h>
+#include <openbsc/abis_om2000.h>
+#include <openbsc/abis_nm.h>
+#include <osmocom/abis/e1_input.h>
+#include <openbsc/signal.h>
+
+#include <osmocom/abis/lapd.h>
+
+static void bootstrap_om_bts(struct gsm_bts *bts)
+{
+	LOGP(DNM, LOGL_NOTICE, "bootstrapping OML for BTS %u\n", bts->nr);
+
+	/* FIXME: this is global init, not bootstrapping */
+	abis_om2k_bts_init(bts);
+	abis_om2k_trx_init(bts->c0);
+
+	/* TODO: Should we wait for a Failure report? */
+	om2k_bts_fsm_start(bts);
+}
+
+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 (!ts->lapd)
+				continue;
+			lapd_instance_set_profile(ts->lapd,
+						  &lapd_profile_abis_ericsson);
+
+			if (start)
+				lapd_sap_start(ts->lapd, link->tei, link->sapi);
+			else
+				lapd_sap_stop(ts->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_L_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;
+	struct e1inp_ts *e1i_ts;
+
+	if (subsys != SS_L_INPUT)
+		return 0;
+
+	LOGP(DNM, LOGL_DEBUG, "%s(): Input signal '%s' received\n", __func__,
+			get_value_string(e1inp_signal_names, signal));
+	switch (signal) {
+	case S_L_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_L_INP_TEI_DN:
+		if (isd->trx->bts->type != GSM_BTS_TYPE_RBS2000)
+			break;
+		LOGP(DNM, LOGL_NOTICE, "Line-%u TS-%u TEI-%u SAPI-%u: Link "
+		     "Lost for Ericsson RBS2000. Re-starting DL Establishment\n",
+		     isd->line->num, isd->ts_nr, isd->tei, isd->sapi);
+		/* Some datalink for a given TEI/SAPI went down, try to re-start it */
+		e1i_ts = &isd->line->ts[isd->ts_nr-1];
+		OSMO_ASSERT(e1i_ts->type == E1INP_TS_TYPE_SIGN);
+		lapd_sap_start(e1i_ts->lapd, isd->tei, isd->sapi);
+		break;
+	case S_L_INP_LINE_INIT:
+	case S_L_INP_LINE_NOALARM:
+		if (strcasecmp(isd->line->driver->name, "DAHDI")
+		 && strcasecmp(isd->line->driver->name, "MISDN_LAPD")
+		 && strcasecmp(isd->line->driver->name, "UNIXSOCKET"))
+			break;
+		start_sabm_in_line(isd->line, 1);
+		break;
+	case S_L_INP_LINE_ALARM:
+		if (strcasecmp(isd->line->driver->name, "DAHDI")
+		 && strcasecmp(isd->line->driver->name, "MISDN_LAPD")
+		 && strcasecmp(isd->line->driver->name, "UNIXSOCKET"))
+			break;
+		start_sabm_in_line(isd->line, 0);
+		break;
+	}
+
+	return 0;
+}
+
+static void config_write_bts(struct vty *vty, struct gsm_bts *bts)
+{
+	abis_om2k_config_write_bts(vty, bts);
+}
+
+static int bts_model_rbs2k_start(struct gsm_network *net);
+
+static void bts_model_rbs2k_e1line_bind_ops(struct e1inp_line *line)
+{
+	e1inp_line_bind_ops(line, &bts_isdn_e1inp_line_ops);
+}
+
+static struct gsm_bts_model model_rbs2k = {
+	.type = GSM_BTS_TYPE_RBS2000,
+	.name = "rbs2000",
+	.start = bts_model_rbs2k_start,
+	.oml_rcvmsg = &abis_om2k_rcvmsg,
+	.config_write_bts = &config_write_bts,
+	.e1line_bind_ops = &bts_model_rbs2k_e1line_bind_ops,
+};
+
+static int bts_model_rbs2k_start(struct gsm_network *net)
+{
+	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_GPRS);
+	gsm_btsmodel_set_feature(&model_rbs2k, BTS_FEAT_EGPRS);
+	gsm_btsmodel_set_feature(&model_rbs2k, BTS_FEAT_HOPPING);
+	gsm_btsmodel_set_feature(&model_rbs2k, BTS_FEAT_HSCSD);
+	gsm_btsmodel_set_feature(&model_rbs2k, BTS_FEAT_MULTI_TSC);
+
+	osmo_signal_register_handler(SS_L_INPUT, inp_sig_cb, NULL);
+	osmo_signal_register_handler(SS_L_GLOBAL, gbl_sig_cb, NULL);
+
+	return 0;
+}
+
+int bts_model_rbs2k_init(void)
+{
+	return gsm_bts_model_register(&model_rbs2k);
+}