191 lines
7.0 KiB
C
191 lines
7.0 KiB
C
/* @(#) $Header: /tcpdump/master/tcpdump/aodv.h,v 1.3 2003/09/13 01:34:42 guy Exp $ (LBL) */
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/*
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* Copyright (c) 2003 Bruce M. Simpson <bms@spc.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bruce M. Simpson.
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* 4. Neither the name of Bruce M. Simpson nor the names of co-
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bruce M. Simpson AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Bruce M. Simpson OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _AODV_H_
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#define _AODV_H_
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struct aodv_rreq {
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u_int8_t rreq_type; /* AODV message type (1) */
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u_int8_t rreq_flags; /* various flags */
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u_int8_t rreq_zero0; /* reserved, set to zero */
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u_int8_t rreq_hops; /* number of hops from originator */
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u_int32_t rreq_id; /* request ID */
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u_int32_t rreq_da; /* destination IPv4 address */
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u_int32_t rreq_ds; /* destination sequence number */
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u_int32_t rreq_oa; /* originator IPv4 address */
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u_int32_t rreq_os; /* originator sequence number */
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};
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#ifdef INET6
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struct aodv_rreq6 {
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u_int8_t rreq_type; /* AODV message type (1) */
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u_int8_t rreq_flags; /* various flags */
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u_int8_t rreq_zero0; /* reserved, set to zero */
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u_int8_t rreq_hops; /* number of hops from originator */
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u_int32_t rreq_id; /* request ID */
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struct in6_addr rreq_da; /* destination IPv6 address */
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u_int32_t rreq_ds; /* destination sequence number */
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struct in6_addr rreq_oa; /* originator IPv6 address */
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u_int32_t rreq_os; /* originator sequence number */
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};
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struct aodv_rreq6_draft_01 {
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u_int8_t rreq_type; /* AODV message type (16) */
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u_int8_t rreq_flags; /* various flags */
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u_int8_t rreq_zero0; /* reserved, set to zero */
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u_int8_t rreq_hops; /* number of hops from originator */
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u_int32_t rreq_id; /* request ID */
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u_int32_t rreq_ds; /* destination sequence number */
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u_int32_t rreq_os; /* originator sequence number */
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struct in6_addr rreq_da; /* destination IPv6 address */
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struct in6_addr rreq_oa; /* originator IPv6 address */
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};
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#endif
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#define RREQ_JOIN 0x80 /* join (reserved for multicast */
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#define RREQ_REPAIR 0x40 /* repair (reserved for multicast */
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#define RREQ_GRAT 0x20 /* gratuitous RREP */
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#define RREQ_DEST 0x10 /* destination only */
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#define RREQ_UNKNOWN 0x08 /* unknown destination sequence num */
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#define RREQ_FLAGS_MASK 0xF8 /* mask for rreq_flags */
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struct aodv_rrep {
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u_int8_t rrep_type; /* AODV message type (2) */
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u_int8_t rrep_flags; /* various flags */
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u_int8_t rrep_ps; /* prefix size */
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u_int8_t rrep_hops; /* number of hops from o to d */
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u_int32_t rrep_da; /* destination IPv4 address */
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u_int32_t rrep_ds; /* destination sequence number */
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u_int32_t rrep_oa; /* originator IPv4 address */
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u_int32_t rrep_life; /* lifetime of this route */
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};
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#ifdef INET6
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struct aodv_rrep6 {
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u_int8_t rrep_type; /* AODV message type (2) */
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u_int8_t rrep_flags; /* various flags */
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u_int8_t rrep_ps; /* prefix size */
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u_int8_t rrep_hops; /* number of hops from o to d */
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struct in6_addr rrep_da; /* destination IPv6 address */
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u_int32_t rrep_ds; /* destination sequence number */
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struct in6_addr rrep_oa; /* originator IPv6 address */
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u_int32_t rrep_life; /* lifetime of this route */
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};
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struct aodv_rrep6_draft_01 {
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u_int8_t rrep_type; /* AODV message type (17) */
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u_int8_t rrep_flags; /* various flags */
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u_int8_t rrep_ps; /* prefix size */
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u_int8_t rrep_hops; /* number of hops from o to d */
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u_int32_t rrep_ds; /* destination sequence number */
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struct in6_addr rrep_da; /* destination IPv6 address */
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struct in6_addr rrep_oa; /* originator IPv6 address */
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u_int32_t rrep_life; /* lifetime of this route */
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};
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#endif
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#define RREP_REPAIR 0x80 /* repair (reserved for multicast */
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#define RREP_ACK 0x40 /* acknowledgement required */
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#define RREP_FLAGS_MASK 0xC0 /* mask for rrep_flags */
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#define RREP_PREFIX_MASK 0x1F /* mask for prefix size */
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struct rerr_unreach {
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u_int32_t u_da; /* IPv4 address */
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u_int32_t u_ds; /* sequence number */
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};
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#ifdef INET6
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struct rerr_unreach6 {
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struct in6_addr u_da; /* IPv6 address */
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u_int32_t u_ds; /* sequence number */
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};
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struct rerr_unreach6_draft_01 {
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struct in6_addr u_da; /* IPv6 address */
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u_int32_t u_ds; /* sequence number */
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};
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#endif
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struct aodv_rerr {
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u_int8_t rerr_type; /* AODV message type (3 or 18) */
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u_int8_t rerr_flags; /* various flags */
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u_int8_t rerr_zero0; /* reserved, set to zero */
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u_int8_t rerr_dc; /* destination count */
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union {
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struct rerr_unreach dest[1];
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#ifdef INET6
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struct rerr_unreach6 dest6[1];
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struct rerr_unreach6_draft_01 dest6_draft_01[1];
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#endif
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} r;
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};
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#define RERR_NODELETE 0x80 /* don't delete the link */
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#define RERR_FLAGS_MASK 0x80 /* mask for rerr_flags */
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struct aodv_rrep_ack {
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u_int8_t ra_type;
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u_int8_t ra_zero0;
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};
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union aodv {
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struct aodv_rreq rreq;
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struct aodv_rrep rrep;
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struct aodv_rerr rerr;
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struct aodv_rrep_ack rrep_ack;
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#ifdef INET6
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struct aodv_rreq6 rreq6;
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struct aodv_rreq6_draft_01 rreq6_draft_01;
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struct aodv_rrep6 rrep6;
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struct aodv_rrep6_draft_01 rrep6_draft_01;
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#endif
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};
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#define AODV_RREQ 1 /* route request */
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#define AODV_RREP 2 /* route response */
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#define AODV_RERR 3 /* error report */
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#define AODV_RREP_ACK 4 /* route response acknowledgement */
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#define AODV_V6_DRAFT_01_RREQ 16 /* IPv6 route request */
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#define AODV_V6_DRAFT_01_RREP 17 /* IPv6 route response */
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#define AODV_V6_DRAFT_01_RERR 18 /* IPv6 error report */
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#define AODV_V6_DRAFT_01_RREP_ACK 19 /* IPV6 route response acknowledgment */
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struct aodv_ext {
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u_int8_t type; /* extension type */
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u_int8_t length; /* extension length */
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};
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struct aodv_hello {
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struct aodv_ext eh; /* extension header */
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u_int32_t interval; /* expect my next hello in
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* (n) ms */
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};
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#define AODV_EXT_HELLO 1
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#endif /* _AODV_H_ */
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