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