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igmp_var.h revision 1.12.2.1
      1  1.12.2.1   gehenna /*	$NetBSD: igmp_var.h,v 1.12.2.1 2002/05/30 13:52:26 gehenna Exp $	*/
      2       1.6       cgd 
      3       1.1   hpeyerl /*
      4       1.1   hpeyerl  * Copyright (c) 1988 Stephen Deering.
      5       1.5   mycroft  * Copyright (c) 1992, 1993
      6       1.5   mycroft  *	The Regents of the University of California.  All rights reserved.
      7       1.1   hpeyerl  *
      8       1.1   hpeyerl  * This code is derived from software contributed to Berkeley by
      9       1.1   hpeyerl  * Stephen Deering of Stanford University.
     10       1.1   hpeyerl  *
     11       1.1   hpeyerl  * Redistribution and use in source and binary forms, with or without
     12       1.1   hpeyerl  * modification, are permitted provided that the following conditions
     13       1.1   hpeyerl  * are met:
     14       1.1   hpeyerl  * 1. Redistributions of source code must retain the above copyright
     15       1.1   hpeyerl  *    notice, this list of conditions and the following disclaimer.
     16       1.1   hpeyerl  * 2. Redistributions in binary form must reproduce the above copyright
     17       1.1   hpeyerl  *    notice, this list of conditions and the following disclaimer in the
     18       1.1   hpeyerl  *    documentation and/or other materials provided with the distribution.
     19       1.1   hpeyerl  * 3. All advertising materials mentioning features or use of this software
     20       1.1   hpeyerl  *    must display the following acknowledgement:
     21       1.1   hpeyerl  *	This product includes software developed by the University of
     22       1.1   hpeyerl  *	California, Berkeley and its contributors.
     23       1.1   hpeyerl  * 4. Neither the name of the University nor the names of its contributors
     24       1.1   hpeyerl  *    may be used to endorse or promote products derived from this software
     25       1.1   hpeyerl  *    without specific prior written permission.
     26       1.1   hpeyerl  *
     27       1.1   hpeyerl  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     28       1.1   hpeyerl  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     29       1.1   hpeyerl  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     30       1.1   hpeyerl  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     31       1.1   hpeyerl  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     32       1.1   hpeyerl  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     33       1.1   hpeyerl  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     34       1.1   hpeyerl  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     35       1.1   hpeyerl  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     36       1.1   hpeyerl  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     37       1.1   hpeyerl  * SUCH DAMAGE.
     38       1.1   hpeyerl  *
     39       1.6       cgd  *	@(#)igmp_var.h	8.1 (Berkeley) 7/19/93
     40       1.1   hpeyerl  */
     41       1.1   hpeyerl 
     42      1.10     perry #ifndef _NETINET_IGMP_VAR_H_
     43      1.10     perry #define _NETINET_IGMP_VAR_H_
     44      1.10     perry 
     45       1.1   hpeyerl /*
     46       1.1   hpeyerl  * Internet Group Management Protocol (IGMP),
     47       1.1   hpeyerl  * implementation-specific definitions.
     48       1.1   hpeyerl  *
     49       1.1   hpeyerl  * Written by Steve Deering, Stanford, May 1988.
     50       1.8   mycroft  * Modified by Rosen Sharma, Stanford, Aug 1994.
     51       1.8   mycroft  * Modified by Bill Fenner, Xerox PARC, Feb 1995.
     52       1.1   hpeyerl  *
     53       1.8   mycroft  * MULTICAST 1.3
     54       1.1   hpeyerl  */
     55       1.1   hpeyerl 
     56       1.1   hpeyerl struct igmpstat {
     57      1.11    bouyer 	u_quad_t igps_rcv_total;	/* total IGMP messages received */
     58      1.11    bouyer 	u_quad_t igps_rcv_tooshort;	/* received with too few bytes */
     59      1.11    bouyer 	u_quad_t igps_rcv_badsum;	/* received with bad checksum */
     60      1.11    bouyer 	u_quad_t igps_rcv_queries;	/* received membership queries */
     61      1.11    bouyer 	u_quad_t igps_rcv_badqueries;	/* received invalid queries */
     62      1.11    bouyer 	u_quad_t igps_rcv_reports;	/* received membership reports */
     63      1.11    bouyer 	u_quad_t igps_rcv_badreports;	/* received invalid reports */
     64      1.11    bouyer 	u_quad_t igps_rcv_ourreports;	/* received reports for our groups */
     65      1.11    bouyer 	u_quad_t igps_snd_reports;	/* sent membership reports */
     66       1.1   hpeyerl };
     67       1.1   hpeyerl 
     68       1.7       jtc #ifdef _KERNEL
     69      1.12      matt extern	struct igmpstat igmpstat;
     70       1.1   hpeyerl 
     71       1.1   hpeyerl /*
     72       1.1   hpeyerl  * Macro to compute a random timer value between 1 and (IGMP_MAX_REPORTING_
     73       1.1   hpeyerl  * DELAY * countdown frequency).  We assume that the routine random()
     74       1.1   hpeyerl  * is defined somewhere (and that it returns a positive number).
     75       1.1   hpeyerl  */
     76  1.12.2.1   gehenna #define	IGMP_RANDOM_DELAY(X)	(arc4random() % (X) + 1)
     77       1.1   hpeyerl 
     78       1.3   mycroft void	igmp_init __P((void));
     79       1.9  christos void	igmp_input __P((struct mbuf *, ...));
     80       1.1   hpeyerl void	igmp_joingroup __P((struct in_multi *));
     81       1.1   hpeyerl void	igmp_leavegroup __P((struct in_multi *));
     82       1.3   mycroft void	igmp_fasttimo __P((void));
     83       1.8   mycroft void	igmp_slowtimo __P((void));
     84       1.1   hpeyerl #endif
     85      1.10     perry 
     86      1.10     perry #endif /* _NETINET_IGMP_VAR_H_ */
     87