FreeBSD/Linux Kernel Cross Reference
sys/contrib/ngatm/netnatm/sig/uni.h

     /*
      * Copyright (c) 2001-2003
      *      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/sig/uni.h,v 1.5 2004/07/08 08:22:24 brandt Exp $
     *
     * Public UNI interface
     */
    #ifndef _NETNATM_SIG_UNI_H_
    #define _NETNATM_SIG_UNI_H_
    
    #include <netnatm/sig/unidef.h>
    
    struct uni;
    
    /* functions to be supplied by the user */
    struct uni_funcs {
            /* output to the upper layer */
            void    (*uni_output)(struct uni *, void *, enum uni_sig,
                        uint32_t, struct uni_msg *);
    
            /* output to the SAAL */
            void    (*saal_output)(struct uni *, void *, enum saal_sig,
                        struct uni_msg *);
    
            /* verbosity */
            void    (*verbose)(struct uni *, void *, enum uni_verb,
                        const char *, ...) __printflike(4, 5);
    
            /* function to 'print' status */
            void    (*status)(struct uni *, void *, void *,
                        const char *, ...) __printflike(4, 5);
    
    #ifndef _KERNEL
            /* start a timer */
            void    *(*start_timer)(struct uni *, void *, u_int,
                        void (*)(void *), void *);
    
            /* stop a timer */
            void    (*stop_timer)(struct uni *, void *, void *);
    #endif
    };
    
    /* create a UNI instance */
    struct uni *uni_create(void *, const struct uni_funcs *);
    
    /* destroy a UNI instance, free all resources */
    void uni_destroy(struct uni *);
    
    /* generate a status report */
    void uni_status(struct uni *, void *);
    
    /* get current instance configuration */
    void uni_get_config(const struct uni *, struct uni_config *);
    
    /* set new instance configuration */
    void uni_set_config(struct uni *, const struct uni_config *,
            uint32_t *, uint32_t *, uint32_t *);
    
    /* input from the SAAL to the instance */
    void  uni_saal_input(struct uni *, enum saal_sig, struct uni_msg *);
    
    /* input from the upper layer to the instance */
    void uni_uni_input(struct uni *, enum uni_sig, uint32_t, struct uni_msg *);
    
    /* do work on pending signals */
    void uni_work(struct uni *);
    
    /* set debuging level */
    void uni_set_debug(struct uni *, enum uni_verb, u_int level);
    u_int uni_get_debug(const struct uni *, enum uni_verb);
    
    /* reset a UNI instance */
    void uni_reset(struct uni *);
    
   /* states */
   u_int uni_getcustate(const struct uni *);
   
   /* return a reference to the coding/decoding context */
   struct unicx *uni_context(struct uni *);
   
   #endif

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