contrib/tcpdump-3.9/aodv.h

   1 /* @(#) $Header: /tcpdump/master/tcpdump/aodv.h,v 1.3 2003/09/13 01:34:42 guy Exp $ (LBL) */
   2 /*
   3  * Copyright (c) 2003 Bruce M. Simpson <bms@spc.org>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *        This product includes software developed by Bruce M. Simpson.
  17  * 4. Neither the name of Bruce M. Simpson nor the names of co-
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY Bruce M. Simpson AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL Bruce M. Simpson OR CONTRIBUTORS
  25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  */
  33 #ifndef _AODV_H_
  34 #define _AODV_H_
  35
  36 struct aodv_rreq {
  37         u_int8_t        rreq_type;      /* AODV message type (1) */
  38         u_int8_t        rreq_flags;     /* various flags */
  39         u_int8_t        rreq_zero0;     /* reserved, set to zero */
  40         u_int8_t        rreq_hops;      /* number of hops from originator */
  41         u_int32_t       rreq_id;        /* request ID */
  42         u_int32_t       rreq_da;        /* destination IPv4 address */
  43         u_int32_t       rreq_ds;        /* destination sequence number */
  44         u_int32_t       rreq_oa;        /* originator IPv4 address */
  45         u_int32_t       rreq_os;        /* originator sequence number */
  46 };
  47 #ifdef INET6
  48 struct aodv_rreq6 {
  49         u_int8_t        rreq_type;      /* AODV message type (1) */
  50         u_int8_t        rreq_flags;     /* various flags */
  51         u_int8_t        rreq_zero0;     /* reserved, set to zero */
  52         u_int8_t        rreq_hops;      /* number of hops from originator */
  53         u_int32_t       rreq_id;        /* request ID */
  54         struct in6_addr rreq_da;        /* destination IPv6 address */
  55         u_int32_t       rreq_ds;        /* destination sequence number */
  56         struct in6_addr rreq_oa;        /* originator IPv6 address */
  57         u_int32_t       rreq_os;        /* originator sequence number */
  58 };
  59 struct aodv_rreq6_draft_01 {
  60         u_int8_t        rreq_type;      /* AODV message type (16) */
  61         u_int8_t        rreq_flags;     /* various flags */
  62         u_int8_t        rreq_zero0;     /* reserved, set to zero */
  63         u_int8_t        rreq_hops;      /* number of hops from originator */
  64         u_int32_t       rreq_id;        /* request ID */
  65         u_int32_t       rreq_ds;        /* destination sequence number */
  66         u_int32_t       rreq_os;        /* originator sequence number */
  67         struct in6_addr rreq_da;        /* destination IPv6 address */
  68         struct in6_addr rreq_oa;        /* originator IPv6 address */
  69 };
  70 #endif
  71
  72 #define RREQ_JOIN       0x80            /* join (reserved for multicast */
  73 #define RREQ_REPAIR     0x40            /* repair (reserved for multicast */
  74 #define RREQ_GRAT       0x20            /* gratuitous RREP */
  75 #define RREQ_DEST       0x10            /* destination only */
  76 #define RREQ_UNKNOWN    0x08            /* unknown destination sequence num */
  77 #define RREQ_FLAGS_MASK 0xF8            /* mask for rreq_flags */
  78
  79 struct aodv_rrep {
  80         u_int8_t        rrep_type;      /* AODV message type (2) */
  81         u_int8_t        rrep_flags;     /* various flags */
  82         u_int8_t        rrep_ps;        /* prefix size */
  83         u_int8_t        rrep_hops;      /* number of hops from o to d */
  84         u_int32_t       rrep_da;        /* destination IPv4 address */
  85         u_int32_t       rrep_ds;        /* destination sequence number */
  86         u_int32_t       rrep_oa;        /* originator IPv4 address */
  87         u_int32_t       rrep_life;      /* lifetime of this route */
  88 };
  89 #ifdef INET6
  90 struct aodv_rrep6 {
  91         u_int8_t        rrep_type;      /* AODV message type (2) */
  92         u_int8_t        rrep_flags;     /* various flags */
  93         u_int8_t        rrep_ps;        /* prefix size */
  94         u_int8_t        rrep_hops;      /* number of hops from o to d */
  95         struct in6_addr rrep_da;        /* destination IPv6 address */
  96         u_int32_t       rrep_ds;        /* destination sequence number */
  97         struct in6_addr rrep_oa;        /* originator IPv6 address */
  98         u_int32_t       rrep_life;      /* lifetime of this route */
  99 };
 100 struct aodv_rrep6_draft_01 {
 101         u_int8_t        rrep_type;      /* AODV message type (17) */
 102         u_int8_t        rrep_flags;     /* various flags */
 103         u_int8_t        rrep_ps;        /* prefix size */
 104         u_int8_t        rrep_hops;      /* number of hops from o to d */
 105         u_int32_t       rrep_ds;        /* destination sequence number */
 106         struct in6_addr rrep_da;        /* destination IPv6 address */
 107         struct in6_addr rrep_oa;        /* originator IPv6 address */
 108         u_int32_t       rrep_life;      /* lifetime of this route */
 109 };
 110 #endif
 111
 112 #define RREP_REPAIR             0x80    /* repair (reserved for multicast */
 113 #define RREP_ACK                0x40    /* acknowledgement required */
 114 #define RREP_FLAGS_MASK         0xC0    /* mask for rrep_flags */
 115 #define RREP_PREFIX_MASK        0x1F    /* mask for prefix size */
 116
 117 struct rerr_unreach {
 118         u_int32_t       u_da;   /* IPv4 address */
 119         u_int32_t       u_ds;   /* sequence number */
 120 };
 121 #ifdef INET6
 122 struct rerr_unreach6 {
 123         struct in6_addr u_da;   /* IPv6 address */
 124         u_int32_t       u_ds;   /* sequence number */
 125 };
 126 struct rerr_unreach6_draft_01 {
 127         struct in6_addr u_da;   /* IPv6 address */
 128         u_int32_t       u_ds;   /* sequence number */
 129 };
 130 #endif
 131
 132 struct aodv_rerr {
 133         u_int8_t        rerr_type;      /* AODV message type (3 or 18) */
 134         u_int8_t        rerr_flags;     /* various flags */
 135         u_int8_t        rerr_zero0;     /* reserved, set to zero */
 136         u_int8_t        rerr_dc;        /* destination count */
 137         union {
 138                 struct  rerr_unreach dest[1];
 139 #ifdef INET6
 140                 struct  rerr_unreach6 dest6[1];
 141                 struct  rerr_unreach6_draft_01 dest6_draft_01[1];
 142 #endif
 143         } r;
 144 };
 145
 146 #define RERR_NODELETE           0x80    /* don't delete the link */
 147 #define RERR_FLAGS_MASK         0x80    /* mask for rerr_flags */
 148
 149 struct aodv_rrep_ack {
 150         u_int8_t        ra_type;
 151         u_int8_t        ra_zero0;
 152 };
 153
 154 union aodv {
 155         struct aodv_rreq rreq;
 156         struct aodv_rrep rrep;
 157         struct aodv_rerr rerr;
 158         struct aodv_rrep_ack rrep_ack;
 159 #ifdef INET6
 160         struct aodv_rreq6 rreq6;
 161         struct aodv_rreq6_draft_01 rreq6_draft_01;
 162         struct aodv_rrep6 rrep6;
 163         struct aodv_rrep6_draft_01 rrep6_draft_01;
 164 #endif
 165 };
 166
 167 #define AODV_RREQ               1       /* route request */
 168 #define AODV_RREP               2       /* route response */
 169 #define AODV_RERR               3       /* error report */
 170 #define AODV_RREP_ACK           4       /* route response acknowledgement */
 171
 172 #define AODV_V6_DRAFT_01_RREQ           16      /* IPv6 route request */
 173 #define AODV_V6_DRAFT_01_RREP           17      /* IPv6 route response */
 174 #define AODV_V6_DRAFT_01_RERR           18      /* IPv6 error report */
 175 #define AODV_V6_DRAFT_01_RREP_ACK       19      /* IPV6 route response acknowledgment */
 176
 177 struct aodv_ext {
 178         u_int8_t        type;           /* extension type */
 179         u_int8_t        length;         /* extension length */
 180 };
 181
 182 struct aodv_hello {
 183         struct  aodv_ext        eh;             /* extension header */
 184         u_int32_t               interval;       /* expect my next hello in
 185                                                  * (n) ms */
 186 };
 187
 188 #define AODV_EXT_HELLO  1
 189
 190 #endif /* _AODV_H_ */