127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
/*
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* Copyright (c) 1996-2003
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* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Author: Hartmut Brandt <harti@freebsd.org>
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*
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* $Begemot: libunimsg/atm/saal/sscop.h,v 1.3 2003/09/19 12:02:03 hbb Exp $
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*
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* External interface to sscop.
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*/
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#ifndef _NETNATM_SAAL_SSCOP_H_
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#define _NETNATM_SAAL_SSCOP_H_
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#include <netnatm/saal/sscopdef.h>
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/*
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* Define how a buffer looks like.
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*/
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#ifdef _KERNEL
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#ifdef __FreeBSD__
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#define SSCOP_MBUF_T mbuf
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#endif
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#else
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#define SSCOP_MBUF_T uni_msg
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#endif
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struct SSCOP_MBUF_T;
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struct sscop;
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/*
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* Vector for user functions
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*/
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struct sscop_funcs {
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/* management signal from SSCOP */
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void (*send_manage)(struct sscop *, void *, enum sscop_maasig,
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struct SSCOP_MBUF_T *, u_int, u_int);
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/* AAL signal from SSCOP */
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void (*send_upper)(struct sscop *, void *, enum sscop_aasig,
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struct SSCOP_MBUF_T *, u_int);
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/* send a PDU to the wire */
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void (*send_lower)(struct sscop *, void *,
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struct SSCOP_MBUF_T *);
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/* print a message */
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void (*verbose)(struct sscop *, void *, const char *, ...)
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__printflike(3,4);
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#ifndef _KERNEL
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/* start a timer */
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void *(*start_timer)(struct sscop *, void *, u_int,
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void (*)(void *));
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/* stop a timer */
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void (*stop_timer)(struct sscop *, void *, void *);
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#endif
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};
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/* Function defined by the SSCOP code */
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/* create a new SSCOP instance and initialize to default values */
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struct sscop *sscop_create(void *, const struct sscop_funcs *);
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/* destroy an SSCOP instance */
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void sscop_destroy(struct sscop *);
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/* get the current parameters of an SSCOP */
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void sscop_getparam(const struct sscop *, struct sscop_param *);
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/* set new parameters in an SSCOP */
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int sscop_setparam(struct sscop *, struct sscop_param *, u_int *);
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/* deliver an signal to the SSCOP */
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int sscop_aasig(struct sscop *, enum sscop_aasig, struct SSCOP_MBUF_T *, u_int);
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/* deliver an management signal to the SSCOP */
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int sscop_maasig(struct sscop *, enum sscop_maasig, struct SSCOP_MBUF_T *);
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/* SSCOP input function */
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void sscop_input(struct sscop *, struct SSCOP_MBUF_T *);
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/* Move the window by a given number of messages. Return the new window */
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u_int sscop_window(struct sscop *, u_int);
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/* declare the lower layer busy or not busy */
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u_int sscop_setbusy(struct sscop *, int);
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/* retrieve the state */
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enum sscop_state sscop_getstate(const struct sscop *);
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/* map signals to strings */
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const char *sscop_msigname(enum sscop_maasig);
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const char *sscop_signame(enum sscop_aasig);
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const char *sscop_statename(enum sscop_state);
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/* set/get debugging state */
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void sscop_setdebug(struct sscop *, u_int);
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u_int sscop_getdebug(const struct sscop *);
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/* reset the instance */
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void sscop_reset(struct sscop *);
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#endif
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