FreeBSD/Linux Kernel Cross Reference
sys/contrib/ngatm/netnatm/saal/sscfu.h

     /*
      * 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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