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-rw-r--r--include/mtp/mtp_data.h85
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diff --git a/include/mtp/mtp_data.h b/include/mtp/mtp_data.h
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+/*
+ * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2010 by On-Waves
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+#ifndef mtp_data_h
+#define mtp_data_h
+
+#include <osmocore/msgb.h>
+#include <osmocore/timer.h>
+#include <osmocore/utils.h>
+
+/* MTP Level3 timers */
+
+/* Timers for SS7 */
+#define MTP_T1 12, 0
+#define MTP_T2 30, 0
+#define START_DELAY 8, 0
+
+/**
+ * The state of the mtp_link in terms of layer3 and upwards
+ */
+struct mtp_link {
+ /* routing info.. */
+ int dpc, opc;
+
+ /* internal state */
+ /* the MTP1 link is up */
+ int available;
+ int running;
+ int sccp_up;
+
+ /* misc data */
+ uint8_t test_ptrn[14];
+
+ int sltm_pending;
+ struct llist_head pending_msgs;
+ int sltm_once;
+ int was_up;
+
+
+ /* the associated link */
+ int link;
+
+ int slta_misses;
+ struct timer_list t1_timer;
+ struct timer_list t2_timer;
+
+ struct timer_list delay_timer;
+};
+
+
+struct mtp_link *mtp_link_alloc(void);
+void mtp_link_stop(struct mtp_link *link);
+void mtp_link_reset(struct mtp_link *link);
+int mtp_link_data(struct mtp_link *link, struct msgb *msg);
+int mtp_link_submit_sccp_data(struct mtp_link *link, int sls, const uint8_t *data, unsigned int length);
+
+
+/* one time init function */
+void mtp_link_init(void);
+
+/* to be implemented for MSU sending */
+void mtp_link_submit(struct mtp_link *link, struct msgb *msg);
+void mtp_link_forward_sccp(struct mtp_link *link, struct msgb *msg, int sls);
+void mtp_link_restart(struct mtp_link *link);
+void mtp_link_slta_recv(struct mtp_link *link);
+void mtp_link_sccp_down(struct mtp_link *link);
+
+#endif