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Diffstat (limited to 'aodv.h')
| -rw-r--r-- | aodv.h | 190 |
1 files changed, 190 insertions, 0 deletions
@@ -0,0 +1,190 @@ +/* @(#) $Header: /tcpdump/master/tcpdump/aodv.h,v 1.3 2003-09-13 01:34:42 guy Exp $ (LBL) */ +/* + * Copyright (c) 2003 Bruce M. Simpson <bms@spc.org> + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Bruce M. Simpson. + * 4. Neither the name of Bruce M. Simpson nor the names of co- + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY Bruce M. Simpson AND CONTRIBUTORS + * ``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 Bruce M. Simpson OR CONTRIBUTORS + * 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. + */ +#ifndef _AODV_H_ +#define _AODV_H_ + +struct aodv_rreq { + u_int8_t rreq_type; /* AODV message type (1) */ + u_int8_t rreq_flags; /* various flags */ + u_int8_t rreq_zero0; /* reserved, set to zero */ + u_int8_t rreq_hops; /* number of hops from originator */ + u_int32_t rreq_id; /* request ID */ + u_int32_t rreq_da; /* destination IPv4 address */ + u_int32_t rreq_ds; /* destination sequence number */ + u_int32_t rreq_oa; /* originator IPv4 address */ + u_int32_t rreq_os; /* originator sequence number */ +}; +#ifdef INET6 +struct aodv_rreq6 { + u_int8_t rreq_type; /* AODV message type (1) */ + u_int8_t rreq_flags; /* various flags */ + u_int8_t rreq_zero0; /* reserved, set to zero */ + u_int8_t rreq_hops; /* number of hops from originator */ + u_int32_t rreq_id; /* request ID */ + struct in6_addr rreq_da; /* destination IPv6 address */ + u_int32_t rreq_ds; /* destination sequence number */ + struct in6_addr rreq_oa; /* originator IPv6 address */ + u_int32_t rreq_os; /* originator sequence number */ +}; +struct aodv_rreq6_draft_01 { + u_int8_t rreq_type; /* AODV message type (16) */ + u_int8_t rreq_flags; /* various flags */ + u_int8_t rreq_zero0; /* reserved, set to zero */ + u_int8_t rreq_hops; /* number of hops from originator */ + u_int32_t rreq_id; /* request ID */ + u_int32_t rreq_ds; /* destination sequence number */ + u_int32_t rreq_os; /* originator sequence number */ + struct in6_addr rreq_da; /* destination IPv6 address */ + struct in6_addr rreq_oa; /* originator IPv6 address */ +}; +#endif + +#define RREQ_JOIN 0x80 /* join (reserved for multicast */ +#define RREQ_REPAIR 0x40 /* repair (reserved for multicast */ +#define RREQ_GRAT 0x20 /* gratuitous RREP */ +#define RREQ_DEST 0x10 /* destination only */ +#define RREQ_UNKNOWN 0x08 /* unknown destination sequence num */ +#define RREQ_FLAGS_MASK 0xF8 /* mask for rreq_flags */ + +struct aodv_rrep { + u_int8_t rrep_type; /* AODV message type (2) */ + u_int8_t rrep_flags; /* various flags */ + u_int8_t rrep_ps; /* prefix size */ + u_int8_t rrep_hops; /* number of hops from o to d */ + u_int32_t rrep_da; /* destination IPv4 address */ + u_int32_t rrep_ds; /* destination sequence number */ + u_int32_t rrep_oa; /* originator IPv4 address */ + u_int32_t rrep_life; /* lifetime of this route */ +}; +#ifdef INET6 +struct aodv_rrep6 { + u_int8_t rrep_type; /* AODV message type (2) */ + u_int8_t rrep_flags; /* various flags */ + u_int8_t rrep_ps; /* prefix size */ + u_int8_t rrep_hops; /* number of hops from o to d */ + struct in6_addr rrep_da; /* destination IPv6 address */ + u_int32_t rrep_ds; /* destination sequence number */ + struct in6_addr rrep_oa; /* originator IPv6 address */ + u_int32_t rrep_life; /* lifetime of this route */ +}; +struct aodv_rrep6_draft_01 { + u_int8_t rrep_type; /* AODV message type (17) */ + u_int8_t rrep_flags; /* various flags */ + u_int8_t rrep_ps; /* prefix size */ + u_int8_t rrep_hops; /* number of hops from o to d */ + u_int32_t rrep_ds; /* destination sequence number */ + struct in6_addr rrep_da; /* destination IPv6 address */ + struct in6_addr rrep_oa; /* originator IPv6 address */ + u_int32_t rrep_life; /* lifetime of this route */ +}; +#endif + +#define RREP_REPAIR 0x80 /* repair (reserved for multicast */ +#define RREP_ACK 0x40 /* acknowledgement required */ +#define RREP_FLAGS_MASK 0xC0 /* mask for rrep_flags */ +#define RREP_PREFIX_MASK 0x1F /* mask for prefix size */ + +struct rerr_unreach { + u_int32_t u_da; /* IPv4 address */ + u_int32_t u_ds; /* sequence number */ +}; +#ifdef INET6 +struct rerr_unreach6 { + struct in6_addr u_da; /* IPv6 address */ + u_int32_t u_ds; /* sequence number */ +}; +struct rerr_unreach6_draft_01 { + struct in6_addr u_da; /* IPv6 address */ + u_int32_t u_ds; /* sequence number */ +}; +#endif + +struct aodv_rerr { + u_int8_t rerr_type; /* AODV message type (3 or 18) */ + u_int8_t rerr_flags; /* various flags */ + u_int8_t rerr_zero0; /* reserved, set to zero */ + u_int8_t rerr_dc; /* destination count */ + union { + struct rerr_unreach dest[1]; +#ifdef INET6 + struct rerr_unreach6 dest6[1]; + struct rerr_unreach6_draft_01 dest6_draft_01[1]; +#endif + } r; +}; + +#define RERR_NODELETE 0x80 /* don't delete the link */ +#define RERR_FLAGS_MASK 0x80 /* mask for rerr_flags */ + +struct aodv_rrep_ack { + u_int8_t ra_type; + u_int8_t ra_zero0; +}; + +union aodv { + struct aodv_rreq rreq; + struct aodv_rrep rrep; + struct aodv_rerr rerr; + struct aodv_rrep_ack rrep_ack; +#ifdef INET6 + struct aodv_rreq6 rreq6; + struct aodv_rreq6_draft_01 rreq6_draft_01; + struct aodv_rrep6 rrep6; + struct aodv_rrep6_draft_01 rrep6_draft_01; +#endif +}; + +#define AODV_RREQ 1 /* route request */ +#define AODV_RREP 2 /* route response */ +#define AODV_RERR 3 /* error report */ +#define AODV_RREP_ACK 4 /* route response acknowledgement */ + +#define AODV_V6_DRAFT_01_RREQ 16 /* IPv6 route request */ +#define AODV_V6_DRAFT_01_RREP 17 /* IPv6 route response */ +#define AODV_V6_DRAFT_01_RERR 18 /* IPv6 error report */ +#define AODV_V6_DRAFT_01_RREP_ACK 19 /* IPV6 route response acknowledgment */ + +struct aodv_ext { + u_int8_t type; /* extension type */ + u_int8_t length; /* extension length */ +}; + +struct aodv_hello { + struct aodv_ext eh; /* extension header */ + u_int32_t interval; /* expect my next hello in + * (n) ms */ +}; + +#define AODV_EXT_HELLO 1 + +#endif /* _AODV_H_ */ |