UbixOS V2 2.0

autoip.h
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1
6 /*
7 *
8 * Copyright (c) 2007 Dominik Spies <kontakt@dspies.de>
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without modification,
12 * are permitted provided that the following conditions are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright notice,
15 * this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright notice,
17 * this list of conditions and the following disclaimer in the documentation
18 * and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31 * OF SUCH DAMAGE.
32 *
33 * Author: Dominik Spies <kontakt@dspies.de>
34 *
35 * This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform
36 * with RFC 3927.
37 *
38 */
39
40 #ifndef LWIP_HDR_PROT_AUTOIP_H
41 #define LWIP_HDR_PROT_AUTOIP_H
42
43 #ifdef __cplusplus
44 extern "C" {
45 #endif
46
47 /* 169.254.0.0 */
48 #define AUTOIP_NET 0xA9FE0000
49 /* 169.254.1.0 */
50 #define AUTOIP_RANGE_START (AUTOIP_NET | 0x0100)
51 /* 169.254.254.255 */
52 #define AUTOIP_RANGE_END (AUTOIP_NET | 0xFEFF)
53
54 /* RFC 3927 Constants */
55 #define PROBE_WAIT 1 /* second (initial random delay) */
56 #define PROBE_MIN 1 /* second (minimum delay till repeated probe) */
57 #define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */
58 #define PROBE_NUM 3 /* (number of probe packets) */
59 #define ANNOUNCE_NUM 2 /* (number of announcement packets) */
60 #define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */
61 #define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */
62 #define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */
63 #define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */
64 #define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */
65
66 /* AutoIP client states */
67 typedef enum {
68 AUTOIP_STATE_OFF = 0,
69 AUTOIP_STATE_PROBING = 1,
70 AUTOIP_STATE_ANNOUNCING = 2,
71 AUTOIP_STATE_BOUND = 3
72 } autoip_state_enum_t;
73
74 #ifdef __cplusplus
75 }
76 #endif
77
78 #endif /* LWIP_HDR_PROT_AUTOIP_H */
AUTOIP_STATE_PROBING
Definition: autoip.h:69
autoip_state_enum_t
autoip_state_enum_t
Definition: autoip.h:67
AUTOIP_STATE_OFF
Definition: autoip.h:68
AUTOIP_STATE_BOUND
Definition: autoip.h:71
AUTOIP_STATE_ANNOUNCING
Definition: autoip.h:70