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664a31e496
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
110 lines
3.8 KiB
C
110 lines
3.8 KiB
C
/*
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* Copyright (c) 1988 Stephen Deering.
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Stephen Deering of Stanford University.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* from: @(#)igmp_var.h 8.1 (Berkeley) 7/19/93
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* $FreeBSD$
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*/
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#ifndef _NETINET_IGMP_VAR_H_
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#define _NETINET_IGMP_VAR_H_
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/*
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* Internet Group Management Protocol (IGMP),
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* implementation-specific definitions.
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*
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* Written by Steve Deering, Stanford, May 1988.
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*
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* MULTICAST Revision: 3.5.1.3
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*/
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struct igmpstat {
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u_int igps_rcv_total; /* total IGMP messages received */
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u_int igps_rcv_tooshort; /* received with too few bytes */
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u_int igps_rcv_badsum; /* received with bad checksum */
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u_int igps_rcv_queries; /* received membership queries */
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u_int igps_rcv_badqueries; /* received invalid queries */
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u_int igps_rcv_reports; /* received membership reports */
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u_int igps_rcv_badreports; /* received invalid reports */
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u_int igps_rcv_ourreports; /* received reports for our groups */
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u_int igps_snd_reports; /* sent membership reports */
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};
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#ifdef _KERNEL
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#define IGMP_RANDOM_DELAY(X) (random() % (X) + 1)
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/*
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* States for IGMPv2's leave processing
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*/
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#define IGMP_OTHERMEMBER 0
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#define IGMP_IREPORTEDLAST 1
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/*
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* We must remember what version the subnet's querier is.
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* We conveniently use the IGMP message type for the proper
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* membership report to keep this state.
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*/
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#define IGMP_V1_ROUTER IGMP_V1_MEMBERSHIP_REPORT
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#define IGMP_V2_ROUTER IGMP_V2_MEMBERSHIP_REPORT
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/*
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* Revert to new router if we haven't heard from an old router in
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* this amount of time.
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*/
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#define IGMP_AGE_THRESHOLD 540
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void igmp_init __P((void));
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void igmp_input __P((struct mbuf *, int, int));
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void igmp_joingroup __P((struct in_multi *));
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void igmp_leavegroup __P((struct in_multi *));
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void igmp_fasttimo __P((void));
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void igmp_slowtimo __P((void));
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SYSCTL_DECL(_net_inet_igmp);
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#endif
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/*
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* Names for IGMP sysctl objects
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*/
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#define IGMPCTL_STATS 1 /* statistics (read-only) */
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#define IGMPCTL_MAXID 2
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#define IGMPCTL_NAMES { \
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{ 0, 0 }, \
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{ "stats", CTLTYPE_STRUCT }, \
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}
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#endif
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