The Pedigree Project 0.1
prot/autoip.h
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1/*
2 * Copyright (c) 2008-2014, Pedigree Developers
3 *
4 * Please see the CONTRIB file in the root of the source tree for a full
5 * list of contributors.
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
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10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
25/*
26 *
27 * Copyright (c) 2007 Dominik Spies <kontakt@dspies.de>
28 * All rights reserved.
29 *
30 * Redistribution and use in source and binary forms, with or without modification,
31 * are permitted provided that the following conditions are met:
32 *
33 * 1. Redistributions of source code must retain the above copyright notice,
34 * this list of conditions and the following disclaimer.
35 * 2. Redistributions in binary form must reproduce the above copyright notice,
36 * this list of conditions and the following disclaimer in the documentation
37 * and/or other materials provided with the distribution.
38 * 3. The name of the author may not be used to endorse or promote products
39 * derived from this software without specific prior written permission.
40 *
41 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
43 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
44 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
45 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
46 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
47 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
48 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
49 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
50 * OF SUCH DAMAGE.
51 *
52 * Author: Dominik Spies <kontakt@dspies.de>
53 *
54 * This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform
55 * with RFC 3927.
56 *
57 */
58
59#ifndef LWIP_HDR_PROT_AUTOIP_H
60#define LWIP_HDR_PROT_AUTOIP_H
61
62#ifdef __cplusplus
63extern "C" {
64#endif
65
66/* 169.254.0.0 */
67#define AUTOIP_NET 0xA9FE0000
68/* 169.254.1.0 */
69#define AUTOIP_RANGE_START (AUTOIP_NET | 0x0100)
70/* 169.254.254.255 */
71#define AUTOIP_RANGE_END (AUTOIP_NET | 0xFEFF)
72
73/* RFC 3927 Constants */
74#define PROBE_WAIT 1 /* second (initial random delay) */
75#define PROBE_MIN 1 /* second (minimum delay till repeated probe) */
76#define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */
77#define PROBE_NUM 3 /* (number of probe packets) */
78#define ANNOUNCE_NUM 2 /* (number of announcement packets) */
79#define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */
80#define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */
81#define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */
82#define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */
83#define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */
84
85/* AutoIP client states */
86typedef enum {
87 AUTOIP_STATE_OFF = 0,
88 AUTOIP_STATE_PROBING = 1,
89 AUTOIP_STATE_ANNOUNCING = 2,
90 AUTOIP_STATE_BOUND = 3
91} autoip_state_enum_t;
92
93#ifdef __cplusplus
94}
95#endif
96
97#endif /* LWIP_HDR_PROT_AUTOIP_H */
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