1190207Srpaulo/* @(#) $Header: /tcpdump/master/tcpdump/aodv.h,v 1.3 2003-09-13 01:34:42 guy Exp $ (LBL) */ 2127668Sbms/* 3127668Sbms * Copyright (c) 2003 Bruce M. Simpson <bms@spc.org> 4127668Sbms * All rights reserved. 5127668Sbms * 6127668Sbms * Redistribution and use in source and binary forms, with or without 7127668Sbms * modification, are permitted provided that the following conditions 8127668Sbms * are met: 9127668Sbms * 1. Redistributions of source code must retain the above copyright 10127668Sbms * notice, this list of conditions and the following disclaimer. 11127668Sbms * 2. Redistributions in binary form must reproduce the above copyright 12127668Sbms * notice, this list of conditions and the following disclaimer in the 13127668Sbms * documentation and/or other materials provided with the distribution. 14127668Sbms * 3. All advertising materials mentioning features or use of this software 15127668Sbms * must display the following acknowledgement: 16127668Sbms * This product includes software developed by Bruce M. Simpson. 17127668Sbms * 4. Neither the name of Bruce M. Simpson nor the names of co- 18127668Sbms * contributors may be used to endorse or promote products derived 19127668Sbms * from this software without specific prior written permission. 20127668Sbms * 21127668Sbms * THIS SOFTWARE IS PROVIDED BY Bruce M. Simpson AND CONTRIBUTORS 22127668Sbms * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23127668Sbms * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24127668Sbms * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Bruce M. Simpson OR CONTRIBUTORS 25127668Sbms * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26127668Sbms * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27127668Sbms * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28127668Sbms * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29127668Sbms * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30127668Sbms * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31127668Sbms * POSSIBILITY OF SUCH DAMAGE. 32127668Sbms */ 33127668Sbms#ifndef _AODV_H_ 34127668Sbms#define _AODV_H_ 35127668Sbms 36127668Sbmsstruct aodv_rreq { 37127668Sbms u_int8_t rreq_type; /* AODV message type (1) */ 38127668Sbms u_int8_t rreq_flags; /* various flags */ 39127668Sbms u_int8_t rreq_zero0; /* reserved, set to zero */ 40127668Sbms u_int8_t rreq_hops; /* number of hops from originator */ 41127668Sbms u_int32_t rreq_id; /* request ID */ 42127668Sbms u_int32_t rreq_da; /* destination IPv4 address */ 43127668Sbms u_int32_t rreq_ds; /* destination sequence number */ 44127668Sbms u_int32_t rreq_oa; /* originator IPv4 address */ 45127668Sbms u_int32_t rreq_os; /* originator sequence number */ 46127668Sbms}; 47127668Sbms#ifdef INET6 48127668Sbmsstruct aodv_rreq6 { 49127668Sbms u_int8_t rreq_type; /* AODV message type (1) */ 50127668Sbms u_int8_t rreq_flags; /* various flags */ 51127668Sbms u_int8_t rreq_zero0; /* reserved, set to zero */ 52127668Sbms u_int8_t rreq_hops; /* number of hops from originator */ 53127668Sbms u_int32_t rreq_id; /* request ID */ 54127668Sbms struct in6_addr rreq_da; /* destination IPv6 address */ 55127668Sbms u_int32_t rreq_ds; /* destination sequence number */ 56127668Sbms struct in6_addr rreq_oa; /* originator IPv6 address */ 57127668Sbms u_int32_t rreq_os; /* originator sequence number */ 58127668Sbms}; 59127668Sbmsstruct aodv_rreq6_draft_01 { 60127668Sbms u_int8_t rreq_type; /* AODV message type (16) */ 61127668Sbms u_int8_t rreq_flags; /* various flags */ 62127668Sbms u_int8_t rreq_zero0; /* reserved, set to zero */ 63127668Sbms u_int8_t rreq_hops; /* number of hops from originator */ 64127668Sbms u_int32_t rreq_id; /* request ID */ 65127668Sbms u_int32_t rreq_ds; /* destination sequence number */ 66127668Sbms u_int32_t rreq_os; /* originator sequence number */ 67127668Sbms struct in6_addr rreq_da; /* destination IPv6 address */ 68127668Sbms struct in6_addr rreq_oa; /* originator IPv6 address */ 69127668Sbms}; 70127668Sbms#endif 71127668Sbms 72127668Sbms#define RREQ_JOIN 0x80 /* join (reserved for multicast */ 73127668Sbms#define RREQ_REPAIR 0x40 /* repair (reserved for multicast */ 74127668Sbms#define RREQ_GRAT 0x20 /* gratuitous RREP */ 75127668Sbms#define RREQ_DEST 0x10 /* destination only */ 76127668Sbms#define RREQ_UNKNOWN 0x08 /* unknown destination sequence num */ 77127668Sbms#define RREQ_FLAGS_MASK 0xF8 /* mask for rreq_flags */ 78127668Sbms 79127668Sbmsstruct aodv_rrep { 80127668Sbms u_int8_t rrep_type; /* AODV message type (2) */ 81127668Sbms u_int8_t rrep_flags; /* various flags */ 82127668Sbms u_int8_t rrep_ps; /* prefix size */ 83127668Sbms u_int8_t rrep_hops; /* number of hops from o to d */ 84127668Sbms u_int32_t rrep_da; /* destination IPv4 address */ 85127668Sbms u_int32_t rrep_ds; /* destination sequence number */ 86127668Sbms u_int32_t rrep_oa; /* originator IPv4 address */ 87127668Sbms u_int32_t rrep_life; /* lifetime of this route */ 88127668Sbms}; 89127668Sbms#ifdef INET6 90127668Sbmsstruct aodv_rrep6 { 91127668Sbms u_int8_t rrep_type; /* AODV message type (2) */ 92127668Sbms u_int8_t rrep_flags; /* various flags */ 93127668Sbms u_int8_t rrep_ps; /* prefix size */ 94127668Sbms u_int8_t rrep_hops; /* number of hops from o to d */ 95127668Sbms struct in6_addr rrep_da; /* destination IPv6 address */ 96127668Sbms u_int32_t rrep_ds; /* destination sequence number */ 97127668Sbms struct in6_addr rrep_oa; /* originator IPv6 address */ 98127668Sbms u_int32_t rrep_life; /* lifetime of this route */ 99127668Sbms}; 100127668Sbmsstruct aodv_rrep6_draft_01 { 101127668Sbms u_int8_t rrep_type; /* AODV message type (17) */ 102127668Sbms u_int8_t rrep_flags; /* various flags */ 103127668Sbms u_int8_t rrep_ps; /* prefix size */ 104127668Sbms u_int8_t rrep_hops; /* number of hops from o to d */ 105127668Sbms u_int32_t rrep_ds; /* destination sequence number */ 106127668Sbms struct in6_addr rrep_da; /* destination IPv6 address */ 107127668Sbms struct in6_addr rrep_oa; /* originator IPv6 address */ 108127668Sbms u_int32_t rrep_life; /* lifetime of this route */ 109127668Sbms}; 110127668Sbms#endif 111127668Sbms 112127668Sbms#define RREP_REPAIR 0x80 /* repair (reserved for multicast */ 113127668Sbms#define RREP_ACK 0x40 /* acknowledgement required */ 114127668Sbms#define RREP_FLAGS_MASK 0xC0 /* mask for rrep_flags */ 115127668Sbms#define RREP_PREFIX_MASK 0x1F /* mask for prefix size */ 116127668Sbms 117127668Sbmsstruct rerr_unreach { 118127668Sbms u_int32_t u_da; /* IPv4 address */ 119127668Sbms u_int32_t u_ds; /* sequence number */ 120127668Sbms}; 121127668Sbms#ifdef INET6 122127668Sbmsstruct rerr_unreach6 { 123127668Sbms struct in6_addr u_da; /* IPv6 address */ 124127668Sbms u_int32_t u_ds; /* sequence number */ 125127668Sbms}; 126127668Sbmsstruct rerr_unreach6_draft_01 { 127127668Sbms struct in6_addr u_da; /* IPv6 address */ 128127668Sbms u_int32_t u_ds; /* sequence number */ 129127668Sbms}; 130127668Sbms#endif 131127668Sbms 132127668Sbmsstruct aodv_rerr { 133127668Sbms u_int8_t rerr_type; /* AODV message type (3 or 18) */ 134127668Sbms u_int8_t rerr_flags; /* various flags */ 135127668Sbms u_int8_t rerr_zero0; /* reserved, set to zero */ 136127668Sbms u_int8_t rerr_dc; /* destination count */ 137127668Sbms union { 138127668Sbms struct rerr_unreach dest[1]; 139127668Sbms#ifdef INET6 140127668Sbms struct rerr_unreach6 dest6[1]; 141127668Sbms struct rerr_unreach6_draft_01 dest6_draft_01[1]; 142127668Sbms#endif 143127668Sbms } r; 144127668Sbms}; 145127668Sbms 146127668Sbms#define RERR_NODELETE 0x80 /* don't delete the link */ 147127668Sbms#define RERR_FLAGS_MASK 0x80 /* mask for rerr_flags */ 148127668Sbms 149127668Sbmsstruct aodv_rrep_ack { 150127668Sbms u_int8_t ra_type; 151127668Sbms u_int8_t ra_zero0; 152127668Sbms}; 153127668Sbms 154127668Sbmsunion aodv { 155127668Sbms struct aodv_rreq rreq; 156127668Sbms struct aodv_rrep rrep; 157127668Sbms struct aodv_rerr rerr; 158127668Sbms struct aodv_rrep_ack rrep_ack; 159127668Sbms#ifdef INET6 160127668Sbms struct aodv_rreq6 rreq6; 161127668Sbms struct aodv_rreq6_draft_01 rreq6_draft_01; 162127668Sbms struct aodv_rrep6 rrep6; 163127668Sbms struct aodv_rrep6_draft_01 rrep6_draft_01; 164127668Sbms#endif 165127668Sbms}; 166127668Sbms 167127668Sbms#define AODV_RREQ 1 /* route request */ 168127668Sbms#define AODV_RREP 2 /* route response */ 169127668Sbms#define AODV_RERR 3 /* error report */ 170127668Sbms#define AODV_RREP_ACK 4 /* route response acknowledgement */ 171127668Sbms 172127668Sbms#define AODV_V6_DRAFT_01_RREQ 16 /* IPv6 route request */ 173127668Sbms#define AODV_V6_DRAFT_01_RREP 17 /* IPv6 route response */ 174127668Sbms#define AODV_V6_DRAFT_01_RERR 18 /* IPv6 error report */ 175127668Sbms#define AODV_V6_DRAFT_01_RREP_ACK 19 /* IPV6 route response acknowledgment */ 176127668Sbms 177127668Sbmsstruct aodv_ext { 178127668Sbms u_int8_t type; /* extension type */ 179127668Sbms u_int8_t length; /* extension length */ 180127668Sbms}; 181127668Sbms 182127668Sbmsstruct aodv_hello { 183127668Sbms struct aodv_ext eh; /* extension header */ 184127668Sbms u_int32_t interval; /* expect my next hello in 185127668Sbms * (n) ms */ 186127668Sbms}; 187127668Sbms 188127668Sbms#define AODV_EXT_HELLO 1 189127668Sbms 190127668Sbms#endif /* _AODV_H_ */ 191