FreeBSD/Linux Kernel Cross Reference
sys/netinet/igmp_var.h

     /*      $NetBSD: igmp_var.h,v 1.27 2021/02/17 22:32:04 christos Exp $   */
     
     /*
      * Copyright (c) 1992, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * This code is derived from software contributed to Berkeley by
      * Stephen Deering of Stanford University.
      *
     * 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.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
     *
     *      @(#)igmp_var.h  8.1 (Berkeley) 7/19/93
     */
    
    /*
     * Copyright (c) 1988 Stephen Deering.
     *
     * This code is derived from software contributed to Berkeley by
     * Stephen Deering of Stanford University.
     *
     * 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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
     *
     *      @(#)igmp_var.h  8.1 (Berkeley) 7/19/93
     */
    
    #ifndef _NETINET_IGMP_VAR_H_
    #define _NETINET_IGMP_VAR_H_
    
    /*
     * Internet Group Management Protocol (IGMP),
     * implementation-specific definitions.
     *
     * Written by Steve Deering, Stanford, May 1988.
     * Modified by Rosen Sharma, Stanford, Aug 1994.
     * Modified by Bill Fenner, Xerox PARC, Feb 1995.
     *
     * MULTICAST 1.3
     */
    
    #define IGMP_STAT_RCV_TOTAL     1       /* total IGMP messages received */
    #define IGMP_STAT_RCV_TOOSHORT  2       /* received with too few bytes */
    #define IGMP_STAT_RCV_BADSUM    3       /* received with bad checksum */
    #define IGMP_STAT_RCV_QUERIES   4       /* received membership queries */
    #define IGMP_STAT_RCV_BADQUERIES 5      /* received invalid queries */
    #define IGMP_STAT_RCV_REPORTS   6       /* received membership reports */
    #define IGMP_STAT_RCV_BADREPORTS 7      /* received invalid reports */
    #define IGMP_STAT_RCV_OURREPORTS 8      /* received reports for our groups */
    #define IGMP_STAT_SND_REPORTS   9       /* sent membership reports */
    
    #define IGMP_NSTATS             10
    
   #ifdef _KERNEL
   /*
    * Macro to compute a random timer value between 1 and (IGMP_MAX_REPORTING_
    * DELAY * countdown frequency).  We assume that the routine random()
    * is defined somewhere (and that it returns a positive number).
    */
   #define IGMP_RANDOM_DELAY(X)    (cprng_fast32() % (X) + 1)
   
   void    igmp_init(void);
   void    igmp_input(struct mbuf *, int, int);
   int     igmp_joingroup(struct in_multi *);
   void    igmp_leavegroup(struct in_multi *);
   void    igmp_fasttimo(void);
   void    igmp_slowtimo(void);
   void    igmp_purgeif(struct ifnet *);
   #endif /* _KERNEL */
   
   #endif /* !_NETINET_IGMP_VAR_H_ */

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