/* @(#) $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_int8_t interval[4]; /* expect my next hello in
* (n) ms
* NOTE: this is not aligned */
};
#define AODV_EXT_HELLO 1
#endif /* _AODV_H_ */