aodv.h revision 127668
1139749Simp/* @(#) $Header: /tcpdump/master/tcpdump/aodv.h,v 1.3 2003/09/13 01:34:42 guy Exp $ (LBL) */ 2158078Smarcel/* 3158078Smarcel * Copyright (c) 2003 Bruce M. Simpson <bms@spc.org> 4158078Smarcel * All rights reserved. 5119815Smarcel * 6119815Smarcel * Redistribution and use in source and binary forms, with or without 7119815Smarcel * modification, are permitted provided that the following conditions 8119815Smarcel * are met: 9119815Smarcel * 1. Redistributions of source code must retain the above copyright 10119815Smarcel * notice, this list of conditions and the following disclaimer. 11119815Smarcel * 2. Redistributions in binary form must reproduce the above copyright 12119815Smarcel * notice, this list of conditions and the following disclaimer in the 13119815Smarcel * documentation and/or other materials provided with the distribution. 14119815Smarcel * 3. All advertising materials mentioning features or use of this software 15119815Smarcel * must display the following acknowledgement: 16119815Smarcel * This product includes software developed by Bruce M. Simpson. 17119815Smarcel * 4. Neither the name of Bruce M. Simpson nor the names of co- 18119815Smarcel * contributors may be used to endorse or promote products derived 19119815Smarcel * from this software without specific prior written permission. 20119815Smarcel * 21119815Smarcel * THIS SOFTWARE IS PROVIDED BY Bruce M. Simpson AND CONTRIBUTORS 22119815Smarcel * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23119815Smarcel * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24119815Smarcel * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Bruce M. Simpson OR CONTRIBUTORS 25119815Smarcel * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26119815Smarcel * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27119815Smarcel * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28119815Smarcel * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29119815Smarcel * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30119815Smarcel * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31119815Smarcel * POSSIBILITY OF SUCH DAMAGE. 32119815Smarcel */ 33119815Smarcel#ifndef _AODV_H_ 34119815Smarcel#define _AODV_H_ 35119815Smarcel 36119815Smarcelstruct aodv_rreq { 37119815Smarcel u_int8_t rreq_type; /* AODV message type (1) */ 38119815Smarcel u_int8_t rreq_flags; /* various flags */ 39119815Smarcel u_int8_t rreq_zero0; /* reserved, set to zero */ 40119815Smarcel u_int8_t rreq_hops; /* number of hops from originator */ 41119815Smarcel u_int32_t rreq_id; /* request ID */ 42119815Smarcel u_int32_t rreq_da; /* destination IPv4 address */ 43119815Smarcel u_int32_t rreq_ds; /* destination sequence number */ 44119815Smarcel u_int32_t rreq_oa; /* originator IPv4 address */ 45158058Smarcel u_int32_t rreq_os; /* originator sequence number */ 46158058Smarcel}; 47119815Smarcel#ifdef INET6 48119815Smarcelstruct aodv_rreq6 { 49119815Smarcel u_int8_t rreq_type; /* AODV message type (1) */ 50119815Smarcel u_int8_t rreq_flags; /* various flags */ 51119815Smarcel u_int8_t rreq_zero0; /* reserved, set to zero */ 52119815Smarcel u_int8_t rreq_hops; /* number of hops from originator */ 53119815Smarcel u_int32_t rreq_id; /* request ID */ 54246243Savg struct in6_addr rreq_da; /* destination IPv6 address */ 55246300Smarius u_int32_t rreq_ds; /* destination sequence number */ 56119815Smarcel struct in6_addr rreq_oa; /* originator IPv6 address */ 57119815Smarcel u_int32_t rreq_os; /* originator sequence number */ 58119815Smarcel}; 59119815Smarcelstruct aodv_rreq6_draft_01 { 60119815Smarcel u_int8_t rreq_type; /* AODV message type (16) */ 61119815Smarcel u_int8_t rreq_flags; /* various flags */ 62119815Smarcel u_int8_t rreq_zero0; /* reserved, set to zero */ 63119815Smarcel u_int8_t rreq_hops; /* number of hops from originator */ 64119815Smarcel u_int32_t rreq_id; /* request ID */ 65158058Smarcel u_int32_t rreq_ds; /* destination sequence number */ 66158058Smarcel u_int32_t rreq_os; /* originator sequence number */ 67158058Smarcel struct in6_addr rreq_da; /* destination IPv6 address */ 68158058Smarcel struct in6_addr rreq_oa; /* originator IPv6 address */ 69119815Smarcel}; 70119815Smarcel#endif 71158058Smarcel 72119815Smarcel#define RREQ_JOIN 0x80 /* join (reserved for multicast */ 73119815Smarcel#define RREQ_REPAIR 0x40 /* repair (reserved for multicast */ 74246300Smarius#define RREQ_GRAT 0x20 /* gratuitous RREP */ 75158078Smarcel#define RREQ_DEST 0x10 /* destination only */ 76158078Smarcel#define RREQ_UNKNOWN 0x08 /* unknown destination sequence num */ 77158078Smarcel#define RREQ_FLAGS_MASK 0xF8 /* mask for rreq_flags */ 78158078Smarcel 79158058Smarcelstruct aodv_rrep { 80158058Smarcel u_int8_t rrep_type; /* AODV message type (2) */ 81158078Smarcel u_int8_t rrep_flags; /* various flags */ 82158078Smarcel u_int8_t rrep_ps; /* prefix size */ 83169646Smarcel u_int8_t rrep_hops; /* number of hops from o to d */ 84158078Smarcel u_int32_t rrep_da; /* destination IPv4 address */ 85261998Smarcel u_int32_t rrep_ds; /* destination sequence number */ 86158058Smarcel u_int32_t rrep_oa; /* originator IPv4 address */ 87158058Smarcel u_int32_t rrep_life; /* lifetime of this route */ 88223874Sjhb}; 89158058Smarcel#ifdef INET6 90158058Smarcelstruct aodv_rrep6 { 91158058Smarcel u_int8_t rrep_type; /* AODV message type (2) */ 92158058Smarcel u_int8_t rrep_flags; /* various flags */ 93158058Smarcel u_int8_t rrep_ps; /* prefix size */ 94158058Smarcel u_int8_t rrep_hops; /* number of hops from o to d */ 95158058Smarcel struct in6_addr rrep_da; /* destination IPv6 address */ 96158058Smarcel u_int32_t rrep_ds; /* destination sequence number */ 97158058Smarcel struct in6_addr rrep_oa; /* originator IPv6 address */ 98158078Smarcel u_int32_t rrep_life; /* lifetime of this route */ 99158078Smarcel}; 100158058Smarcelstruct aodv_rrep6_draft_01 { 101158058Smarcel u_int8_t rrep_type; /* AODV message type (17) */ 102188472Skaiw u_int8_t rrep_flags; /* various flags */ 103158078Smarcel u_int8_t rrep_ps; /* prefix size */ 104158078Smarcel u_int8_t rrep_hops; /* number of hops from o to d */ 105158078Smarcel u_int32_t rrep_ds; /* destination sequence number */ 106158078Smarcel struct in6_addr rrep_da; /* destination IPv6 address */ 107158078Smarcel struct in6_addr rrep_oa; /* originator IPv6 address */ 108158078Smarcel u_int32_t rrep_life; /* lifetime of this route */ 109158078Smarcel}; 110158078Smarcel#endif 111158078Smarcel 112158078Smarcel#define RREP_REPAIR 0x80 /* repair (reserved for multicast */ 113158078Smarcel#define RREP_ACK 0x40 /* acknowledgement required */ 114158078Smarcel#define RREP_FLAGS_MASK 0xC0 /* mask for rrep_flags */ 115230327Seadler#define RREP_PREFIX_MASK 0x1F /* mask for prefix size */ 116158078Smarcel 117264761Smariusstruct rerr_unreach { 118264761Smarius u_int32_t u_da; /* IPv4 address */ 119228947Skib u_int32_t u_ds; /* sequence number */ 120249803Seadler}; 121232967Skib#ifdef INET6 122229971Skibstruct rerr_unreach6 { 123229971Skib struct in6_addr u_da; /* IPv6 address */ 124229379Skevlo u_int32_t u_ds; /* sequence number */ 125229379Skevlo}; 126229379Skevlostruct rerr_unreach6_draft_01 { 127229379Skevlo struct in6_addr u_da; /* IPv6 address */ 128266436Smarius u_int32_t u_ds; /* sequence number */ 129275439Smav}; 130200257Smav#endif 131189407Sjhb 132200230Smarcelstruct aodv_rerr { 133223672Shselasky u_int8_t rerr_type; /* AODV message type (3 or 18) */ 134223672Shselasky u_int8_t rerr_flags; /* various flags */ 135204533Sdelphij u_int8_t rerr_zero0; /* reserved, set to zero */ 136204533Sdelphij u_int8_t rerr_dc; /* destination count */ 137232639Sremko union { 138232639Sremko struct rerr_unreach dest[1]; 139158058Smarcel#ifdef INET6 140158058Smarcel struct rerr_unreach6 dest6[1]; 141119815Smarcel struct rerr_unreach6_draft_01 dest6_draft_01[1]; 142119815Smarcel#endif 143246300Smarius } r; 144246300Smarius}; 145119815Smarcel 146158058Smarcel#define RERR_NODELETE 0x80 /* don't delete the link */ 147119815Smarcel#define RERR_FLAGS_MASK 0x80 /* mask for rerr_flags */ 148158058Smarcel 149158058Smarcelstruct aodv_rrep_ack { 150158058Smarcel u_int8_t ra_type; 151158058Smarcel u_int8_t ra_zero0; 152119815Smarcel}; 153158058Smarcel 154158058Smarcelunion aodv { 155158058Smarcel struct aodv_rreq rreq; 156158058Smarcel struct aodv_rrep rrep; 157158058Smarcel struct aodv_rerr rerr; 158158058Smarcel struct aodv_rrep_ack rrep_ack; 159158058Smarcel#ifdef INET6 160158058Smarcel struct aodv_rreq6 rreq6; 161158058Smarcel struct aodv_rreq6_draft_01 rreq6_draft_01; 162158058Smarcel struct aodv_rrep6 rrep6; 163119815Smarcel struct aodv_rrep6_draft_01 rrep6_draft_01; 164119815Smarcel#endif 165119815Smarcel}; 166119815Smarcel 167119815Smarcel#define AODV_RREQ 1 /* route request */ 168119815Smarcel#define AODV_RREP 2 /* route response */ 169246300Smarius#define AODV_RERR 3 /* error report */ 170253654Smarcel#define AODV_RREP_ACK 4 /* route response acknowledgement */ 171119815Smarcel 172119815Smarcel#define AODV_V6_DRAFT_01_RREQ 16 /* IPv6 route request */ 173119815Smarcel#define AODV_V6_DRAFT_01_RREP 17 /* IPv6 route response */ 174158058Smarcel#define AODV_V6_DRAFT_01_RERR 18 /* IPv6 error report */ 175119815Smarcel#define AODV_V6_DRAFT_01_RREP_ACK 19 /* IPV6 route response acknowledgment */ 176119815Smarcel 177119815Smarcelstruct aodv_ext { 178119815Smarcel u_int8_t type; /* extension type */ 179119815Smarcel u_int8_t length; /* extension length */ 180119815Smarcel}; 181119815Smarcel 182119815Smarcelstruct aodv_hello { 183253654Smarcel struct aodv_ext eh; /* extension header */ 184253654Smarcel u_int32_t interval; /* expect my next hello in 185253654Smarcel * (n) ms */ 186253654Smarcel}; 187253654Smarcel 188119815Smarcel#define AODV_EXT_HELLO 1 189119815Smarcel 190253654Smarcel#endif /* _AODV_H_ */ 191119815Smarcel