46 lines
2.1 KiB
C
46 lines
2.1 KiB
C
/* $NetBSD: mld6.h,v 1.1 1999/07/17 14:06:25 itojun Exp $ */
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/*
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* Copyright (C) 1998 WIDE Project.
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* All rights reserved.
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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. Neither the name of the project 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 PROJECT 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 PROJECT 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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/*
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* Constans for Multicast Listener Discovery protocol for IPv6.
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*/
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#define MLD6_ROBUSTNESS_VARIABLE 2
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#define MLD6_QUERY_INTERVAL 125 /* in seconds */
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#define MLD6_QUERY_RESPONSE_INTERVAL 10000 /* in milliseconds */
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#ifndef MLD6_TIMER_SCALE
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#define MLD6_TIMER_SCALE 1000
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#endif
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#define MLD6_LISTENER_INTERVAL (MLD6_ROBUSTNESS_VARIABLE * \
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MLD6_QUERY_INTERVAL + \
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MLD6_QUERY_RESPONSE_INTERVAL / MLD6_TIMER_SCALE)
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#define MLD6_LAST_LISTENER_QUERY_INTERVAL 1000 /* in milliseconds */
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#define MLD6_LAST_LISTENER_QUERY_COUNT MLD6_ROBUSTNESS_VARIABLE
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