1*10465441SEvalZero /** 2*10465441SEvalZero * @file 3*10465441SEvalZero * AutoIP protocol definitions 4*10465441SEvalZero */ 5*10465441SEvalZero 6*10465441SEvalZero /* 7*10465441SEvalZero * 8*10465441SEvalZero * Copyright (c) 2007 Dominik Spies <[email protected]> 9*10465441SEvalZero * All rights reserved. 10*10465441SEvalZero * 11*10465441SEvalZero * Redistribution and use in source and binary forms, with or without modification, 12*10465441SEvalZero * are permitted provided that the following conditions are met: 13*10465441SEvalZero * 14*10465441SEvalZero * 1. Redistributions of source code must retain the above copyright notice, 15*10465441SEvalZero * this list of conditions and the following disclaimer. 16*10465441SEvalZero * 2. Redistributions in binary form must reproduce the above copyright notice, 17*10465441SEvalZero * this list of conditions and the following disclaimer in the documentation 18*10465441SEvalZero * and/or other materials provided with the distribution. 19*10465441SEvalZero * 3. The name of the author may not be used to endorse or promote products 20*10465441SEvalZero * derived from this software without specific prior written permission. 21*10465441SEvalZero * 22*10465441SEvalZero * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 23*10465441SEvalZero * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 24*10465441SEvalZero * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 25*10465441SEvalZero * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 26*10465441SEvalZero * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 27*10465441SEvalZero * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28*10465441SEvalZero * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29*10465441SEvalZero * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 30*10465441SEvalZero * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 31*10465441SEvalZero * OF SUCH DAMAGE. 32*10465441SEvalZero * 33*10465441SEvalZero * Author: Dominik Spies <[email protected]> 34*10465441SEvalZero * 35*10465441SEvalZero * This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform 36*10465441SEvalZero * with RFC 3927. 37*10465441SEvalZero * 38*10465441SEvalZero */ 39*10465441SEvalZero 40*10465441SEvalZero #ifndef LWIP_HDR_PROT_AUTOIP_H 41*10465441SEvalZero #define LWIP_HDR_PROT_AUTOIP_H 42*10465441SEvalZero 43*10465441SEvalZero #ifdef __cplusplus 44*10465441SEvalZero extern "C" { 45*10465441SEvalZero #endif 46*10465441SEvalZero 47*10465441SEvalZero /* 169.254.0.0 */ 48*10465441SEvalZero #define AUTOIP_NET 0xA9FE0000 49*10465441SEvalZero /* 169.254.1.0 */ 50*10465441SEvalZero #define AUTOIP_RANGE_START (AUTOIP_NET | 0x0100) 51*10465441SEvalZero /* 169.254.254.255 */ 52*10465441SEvalZero #define AUTOIP_RANGE_END (AUTOIP_NET | 0xFEFF) 53*10465441SEvalZero 54*10465441SEvalZero /* RFC 3927 Constants */ 55*10465441SEvalZero #define PROBE_WAIT 1 /* second (initial random delay) */ 56*10465441SEvalZero #define PROBE_MIN 1 /* second (minimum delay till repeated probe) */ 57*10465441SEvalZero #define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */ 58*10465441SEvalZero #define PROBE_NUM 3 /* (number of probe packets) */ 59*10465441SEvalZero #define ANNOUNCE_NUM 2 /* (number of announcement packets) */ 60*10465441SEvalZero #define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */ 61*10465441SEvalZero #define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */ 62*10465441SEvalZero #define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */ 63*10465441SEvalZero #define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */ 64*10465441SEvalZero #define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */ 65*10465441SEvalZero 66*10465441SEvalZero /* AutoIP client states */ 67*10465441SEvalZero typedef enum { 68*10465441SEvalZero AUTOIP_STATE_OFF = 0, 69*10465441SEvalZero AUTOIP_STATE_PROBING = 1, 70*10465441SEvalZero AUTOIP_STATE_ANNOUNCING = 2, 71*10465441SEvalZero AUTOIP_STATE_BOUND = 3 72*10465441SEvalZero } autoip_state_enum_t; 73*10465441SEvalZero 74*10465441SEvalZero #ifdef __cplusplus 75*10465441SEvalZero } 76*10465441SEvalZero #endif 77*10465441SEvalZero 78*10465441SEvalZero #endif /* LWIP_HDR_PROT_AUTOIP_H */ 79