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/*
* Copyright (c) 1996-2003
* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
* 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.
*
* Author: Hartmut Brandt <harti@freebsd.org>
*
* $Begemot: libunimsg/netnatm/saal/sscfu.h,v 1.4 2004/07/08 08:22:15 brandt Exp $
*
* Public include file for UNI SSCF
*/
#ifndef _NETNATM_SAAL_SSCFU_H_
#define _NETNATM_SAAL_SSCFU_H_
#include <sys/types.h>
#include <netnatm/saal/sscopdef.h>
#include <netnatm/saal/sscfudef.h>
/*
* Define how a buffer looks like.
*/
#ifdef _KERNEL
#ifdef __FreeBSD__
#define SSCFU_MBUF_T mbuf
#endif
#else
#define SSCFU_MBUF_T uni_msg
#endif
struct SSCFU_MBUF_T;
struct sscfu;
/* functions to be supplied by the SSCOP user */
struct sscfu_funcs {
/* upper (SAAL) interface output */
void (*send_upper)(struct sscfu *, void *, enum saal_sig,
struct SSCFU_MBUF_T *);
/* lower (SSCOP) interface output */
void (*send_lower)(struct sscfu *, void *, enum sscop_aasig,
struct SSCFU_MBUF_T *, u_int);
/* function to move the SSCOP window */
void (*window)(struct sscfu *, void *, u_int);
/* debugging function */
void (*verbose)(struct sscfu *, void *, const char *, ...)
__printflike(3, 4);
};
/* Function defined by the SSCF-UNI code */
/* allocate and initialize a new SSCF instance */
struct sscfu *sscfu_create(void *, const struct sscfu_funcs *);
/* destroy an SSCF instance and free all resources */
void sscfu_destroy(struct sscfu *);
/* reset the SSCF to the released state */
void sscfu_reset(struct sscfu *);
/* lower input interface (SSCOP signals) */
void sscfu_input(struct sscfu *, enum sscop_aasig, struct SSCFU_MBUF_T *, u_int);
/* upper input interface (SAAL) */
int sscfu_saalsig(struct sscfu *, enum saal_sig, struct SSCFU_MBUF_T *);
/* retrieve the current state */
enum sscfu_state sscfu_getstate(const struct sscfu *);
/* char'ify signals and states */
const char *sscfu_signame(enum saal_sig);
const char *sscfu_statename(enum sscfu_state);
/* retrieve the default set of parameters for SSCOP */
u_int sscfu_getdefparam(struct sscop_param *);
/* get/set debugging flags */
void sscfu_setdebug(struct sscfu *, u_int);
u_int sscfu_getdebug(const struct sscfu *);
#endif
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