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prot/autoip.h
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/*
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* Copyright (c) 2008-2014, Pedigree Developers
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*
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* Please see the CONTRIB file in the root of the source tree for a full
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* list of contributors.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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*
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* Copyright (c) 2007 Dominik Spies <kontakt@dspies.de>
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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 modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* Author: Dominik Spies <kontakt@dspies.de>
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*
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* This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform
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* with RFC 3927.
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*
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*/
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#ifndef LWIP_HDR_PROT_AUTOIP_H
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#define LWIP_HDR_PROT_AUTOIP_H
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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/* 169.254.0.0 */
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#define AUTOIP_NET 0xA9FE0000
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/* 169.254.1.0 */
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#define AUTOIP_RANGE_START (AUTOIP_NET | 0x0100)
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/* 169.254.254.255 */
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#define AUTOIP_RANGE_END (AUTOIP_NET | 0xFEFF)
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/* RFC 3927 Constants */
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#define PROBE_WAIT 1
/* second (initial random delay) */
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#define PROBE_MIN 1
/* second (minimum delay till repeated probe) */
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#define PROBE_MAX 2
/* seconds (maximum delay till repeated probe) */
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#define PROBE_NUM 3
/* (number of probe packets) */
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#define ANNOUNCE_NUM 2
/* (number of announcement packets) */
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#define ANNOUNCE_INTERVAL 2
/* seconds (time between announcement packets) */
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#define ANNOUNCE_WAIT 2
/* seconds (delay before announcing) */
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#define MAX_CONFLICTS 10
/* (max conflicts before rate limiting) */
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#define RATE_LIMIT_INTERVAL 60
/* seconds (delay between successive attempts) */
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#define DEFEND_INTERVAL 10
/* seconds (min. wait between defensive ARPs) */
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/* AutoIP client states */
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typedef
enum
{
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AUTOIP_STATE_OFF = 0,
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AUTOIP_STATE_PROBING = 1,
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AUTOIP_STATE_ANNOUNCING = 2,
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AUTOIP_STATE_BOUND = 3
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} autoip_state_enum_t;
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#ifdef __cplusplus
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}
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#endif
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#endif
/* LWIP_HDR_PROT_AUTOIP_H */
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