/* @(#) $Header: /tcpdump/master/tcpdump/aodv.h,v 1.3 2003/09/13 01:34:42 guy Exp $ (LBL) */ /* * Copyright (c) 2003 Bruce M. Simpson * 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_ */