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/*
* Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* i4b_l3.h - layer 3 header file
* ------------------------------
*
* $Id: i4b_l3.h,v 1.11 2000/04/27 09:25:21 hm Exp $
*
* $FreeBSD$
*
* last edit-date: [Thu Apr 27 11:07:01 2000]
*
*---------------------------------------------------------------------------*/
#ifndef _I4B_L3_H_
#define _I4B_L3_H_
extern int utoc_tab[];
extern unsigned char cause_tab_q931[];
extern int i4b_aoc ( unsigned char *, call_desc_t *cd );
extern void i4b_decode_q931 ( int unit, int msg_len, u_char *msg_ptr );
extern int i4b_decode_q931_cs0_ie ( int unit, call_desc_t *cd, int msg_len, u_char *msg_ptr );
extern void i4b_decode_q931_message ( int unit, call_desc_t *cd, u_char message_type );
extern void i4b_l3_stop_all_timers ( call_desc_t *cd );
extern void i4b_l3_tx_alert ( call_desc_t *cd );
extern void i4b_l3_tx_connect ( call_desc_t *cd );
extern void i4b_l3_tx_connect_ack ( call_desc_t *cd );
extern void i4b_l3_tx_disconnect ( call_desc_t *cd );
extern void i4b_l3_tx_release ( call_desc_t *cd, int send_cause_flag );
extern void i4b_l3_tx_release_complete ( call_desc_t *cd, int send_cause_flag );
extern void i4b_l3_tx_setup ( call_desc_t *cd );
extern void i4b_l3_tx_status ( call_desc_t *cd, u_char q850cause );
extern int i4b_dl_data_ind ( int unit, struct mbuf *m );
extern int i4b_dl_establish_cnf ( int unit );
extern int i4b_dl_establish_ind ( int unit );
extern int i4b_dl_release_cnf ( int unit );
extern int i4b_dl_release_ind ( int unit );
extern int i4b_dl_unit_data_ind ( int unit, struct mbuf *m );
extern int i4b_get_dl_stat( call_desc_t *cd );
extern int i4b_mdl_status_ind ( int unit, int status, int parm);
extern void i4b_print_frame ( int len, u_char *buf );
extern void next_l3state ( call_desc_t *cd, int event );
extern char *print_l3state ( call_desc_t *cd );
extern unsigned char setup_cr ( call_desc_t *cd, unsigned char cr );
extern void T303_start ( call_desc_t *cd );
extern void T303_stop ( call_desc_t *cd );
extern void T305_start ( call_desc_t *cd );
extern void T305_stop ( call_desc_t *cd );
extern void T308_start ( call_desc_t *cd );
extern void T308_stop ( call_desc_t *cd );
extern void T309_start ( call_desc_t *cd );
extern void T309_stop ( call_desc_t *cd );
extern void T310_start ( call_desc_t *cd );
extern void T310_stop ( call_desc_t *cd );
extern void T313_start ( call_desc_t *cd );
extern void T313_stop ( call_desc_t *cd );
#endif /* _I4B_L3_H_ */
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