| /* @(#) $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_ */ |