[RBS2000] Initial attempt at Ericsson RBS2000 support

openbsc/include/openbsc/gsm_data.h

@@ -421,6 +421,7 @@ enum gsm_bts_type {
 	GSM_BTS_TYPE_UNKNOWN,
 	GSM_BTS_TYPE_BS11,
 	GSM_BTS_TYPE_NANOBTS,
+	GSM_BTS_TYPE_RBS2000,
 };
 
 struct gsm_bts_model {

openbsc/src/Makefile.am

@@ -23,7 +23,7 @@ libbsc_a_SOURCES = abis_rsl.c abis_nm.c gsm_data.c gsm_04_08_utils.c \
 		e1_config.c e1_input.c e1_input_vty.c \
 		input/misdn.c input/ipaccess.c input/dahdi.c input/lapd.c \
 		handover_logic.c talloc_ctx.c system_information.c rest_octets.c \
-		bts_siemens_bs11.c bts_ipaccess_nanobts.c mncc_upqueue.c \
+		bts_siemens_bs11.c bts_ipaccess_nanobts.c bts_ericsson_rbs2000.c mncc_upqueue.c \
 		bts_unknown.c bsc_version.c bsc_api.c bsc_vty.c meas_rep.c gsm_04_80.c
 
 libmsc_a_SOURCES = gsm_subscriber.c db.c \

openbsc/src/bts_ericsson_rbs2000.c

@@ -0,0 +1,126 @@
+/* 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_nm.h>
+#include <openbsc/e1_input.h>
+#include <openbsc/signal.h>
+
+
+static struct gsm_bts_model model_rbs2k = {
+	.type = GSM_BTS_TYPE_RBS2000,
+};
+
+static void bootstrap_om_rbs2k(struct gsm_bts *bts)
+{
+	LOGP(DNM, LOGL_NOTICE, "bootstrapping OML for BTS %u\n", bts->nr);
+	/* FIXME */
+}
+
+static int shutdown_om(struct gsm_bts *bts)
+{
+	/* FIXME */
+	return 0;
+}
+
+/* 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;
+}
+
+static void sabm_timer_cb(void *_line);
+
+/* FIXME: we need one per bts, not one global! */
+struct timer_list sabm_timer = {
+	.cb = &sabm_timer_cb,
+};
+
+static void sabm_timer_cb(void *_line)
+{
+	struct e1inp_ts *e1i_ts = _line;
+
+	lapd_transmit_sabm(e1i_ts->driver.dahdi.lapd, 62, 62);
+
+	bsc_schedule_timer(&sabm_timer, 0, 50);
+}
+
+/* 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_BS11)
+				bootstrap_om_rbs2k(isd->trx->bts);
+			break;
+		}
+	case S_INP_LINE_INIT:
+		/* Right now Ericsson RBS are only supported on DAHDI */
+		if (strcasecmp(isd->line->driver->name, "DAHDI"))
+			break;
+		sabm_timer.data = &isd->line->ts[1-1];
+		bsc_schedule_timer(&sabm_timer, 0, 50);
+		break;
+	}
+
+	return 0;
+}
+
+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);
+}

openbsc/src/gsm_data.c

@@ -412,6 +412,7 @@ static const struct value_string bts_types[] = {
 	{ GSM_BTS_TYPE_UNKNOWN,	"unknown" },
 	{ GSM_BTS_TYPE_BS11,	"bs11" },
 	{ GSM_BTS_TYPE_NANOBTS,	"nanobts" },
+	{ GSM_BTS_TYPE_RBS2000,	"rbs2000" },
 	{ 0,			NULL }
 };