1 files changed, 80 insertions, 0 deletions
diff --git a/src/host/layer23/src/common/ms.c b/src/host/layer23/src/common/ms.c
new file mode 100644
index 00000000..a14cb1eb
--- /dev/null
+++ b/src/host/layer23/src/common/ms.c
@@ -0,0 +1,80 @@
+/* Mobile Station */
+/* (C) 2010 by Holger Hans Peter Freyther
+ * (C) 2010 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2023 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ */
+#include <osmocom/gsm/gsm48.h>
+
+#include <osmocom/bb/common/ms.h>
+
+extern struct llist_head ms_list;
+
+/* Default value be configured by cmdline arg: */
+uint16_t cfg_test_arfcn = 871;
+
+static int osmocom_ms_talloc_destructor(struct osmocom_ms *ms)
+{
+
+	if (ms->sap_wq.bfd.fd > -1) {
+		sap_close(ms);
+		ms->sap_wq.bfd.fd = -1;
+	}
+
+	gprs_settings_fi(ms);
+	gsm_subscr_exit(ms);
+	gsm_sim_exit(ms);
+	return 0;
+}
+
+struct osmocom_ms *osmocom_ms_alloc(void *ctx, const char *name)
+{
+	struct osmocom_ms *ms;
+
+	ms = talloc_zero(ctx, struct osmocom_ms);
+	if (!ms)
+		return NULL;
+	talloc_set_name(ms, "ms_%s", name);
+	talloc_set_destructor(ms, osmocom_ms_talloc_destructor);
+
+	ms->name = talloc_strdup(ms, name);
+	ms->test_arfcn = cfg_test_arfcn;
+	ms->lapdm_channel.lapdm_dcch.l1_ctx = ms;
+	ms->lapdm_channel.lapdm_dcch.l3_ctx = ms;
+	ms->lapdm_channel.lapdm_acch.l1_ctx = ms;
+	ms->lapdm_channel.lapdm_acch.l3_ctx = ms;
+	lapdm_channel_init(&ms->lapdm_channel, LAPDM_MODE_MS);
+	lapdm_channel_set_l1(&ms->lapdm_channel, l1ctl_ph_prim_cb, ms);
+
+	ms->l2_wq.bfd.fd = -1;
+	ms->sap_wq.bfd.fd = -1;
+
+	ms->gmmlayer.tlli = GSM_RESERVED_TMSI;
+
+	/* Register a new MS */
+	llist_add_tail(&ms->entity, &ms_list);
+
+	gsm_support_init(ms);
+	gsm_settings_init(ms);
+	gprs_settings_init(ms);
+	/* init SAP client before SIM card starts up */
+	sap_init(ms);
+	/* SAP response call-back */
+	ms->sap_entity.sap_rsp_cb = &gsm_subscr_sap_rsp_cb;
+	gsm_sim_init(ms);
+	gsm_subscr_init(ms);
+
+	return ms;
+}