dist/tcpdump/aodv.h

   1 /*      $NetBSD$        */
   2
   3 /* @(#) Header: /tcpdump/master/tcpdump/aodv.h,v 1.3 2003/09/13 01:34:42 guy Exp (LBL) */
   4 /*
   5  * Copyright (c) 2003 Bruce M. Simpson <bms@spc.org>
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *        This product includes software developed by Bruce M. Simpson.
  19  * 4. Neither the name of Bruce M. Simpson nor the names of co-
  20  *    contributors may be used to endorse or promote products derived
  21  *    from this software without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY Bruce M. Simpson AND CONTRIBUTORS
  24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL Bruce M. Simpson OR CONTRIBUTORS
  27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33  * POSSIBILITY OF SUCH DAMAGE.
  34  */
  35 #ifndef _AODV_H_
  36 #define _AODV_H_
  37
  38 struct aodv_rreq {
  39         u_int8_t        rreq_type;      /* AODV message type (1) */
  40         u_int8_t        rreq_flags;     /* various flags */
  41         u_int8_t        rreq_zero0;     /* reserved, set to zero */
  42         u_int8_t        rreq_hops;      /* number of hops from originator */
  43         u_int32_t       rreq_id;        /* request ID */
  44         u_int32_t       rreq_da;        /* destination IPv4 address */
  45         u_int32_t       rreq_ds;        /* destination sequence number */
  46         u_int32_t       rreq_oa;        /* originator IPv4 address */
  47         u_int32_t       rreq_os;        /* originator sequence number */
  48 };
  49 #ifdef INET6
  50 struct aodv_rreq6 {
  51         u_int8_t        rreq_type;      /* AODV message type (1) */
  52         u_int8_t        rreq_flags;     /* various flags */
  53         u_int8_t        rreq_zero0;     /* reserved, set to zero */
  54         u_int8_t        rreq_hops;      /* number of hops from originator */
  55         u_int32_t       rreq_id;        /* request ID */
  56         struct in6_addr rreq_da;        /* destination IPv6 address */
  57         u_int32_t       rreq_ds;        /* destination sequence number */
  58         struct in6_addr rreq_oa;        /* originator IPv6 address */
  59         u_int32_t       rreq_os;        /* originator sequence number */
  60 };
  61 struct aodv_rreq6_draft_01 {
  62         u_int8_t        rreq_type;      /* AODV message type (16) */
  63         u_int8_t        rreq_flags;     /* various flags */
  64         u_int8_t        rreq_zero0;     /* reserved, set to zero */
  65         u_int8_t        rreq_hops;      /* number of hops from originator */
  66         u_int32_t       rreq_id;        /* request ID */
  67         u_int32_t       rreq_ds;        /* destination sequence number */
  68         u_int32_t       rreq_os;        /* originator sequence number */
  69         struct in6_addr rreq_da;        /* destination IPv6 address */
  70         struct in6_addr rreq_oa;        /* originator IPv6 address */
  71 };
  72 #endif
  73
  74 #define RREQ_JOIN       0x80            /* join (reserved for multicast */
  75 #define RREQ_REPAIR     0x40            /* repair (reserved for multicast */
  76 #define RREQ_GRAT       0x20            /* gratuitous RREP */
  77 #define RREQ_DEST       0x10            /* destination only */
  78 #define RREQ_UNKNOWN    0x08            /* unknown destination sequence num */
  79 #define RREQ_FLAGS_MASK 0xF8            /* mask for rreq_flags */
  80
  81 struct aodv_rrep {
  82         u_int8_t        rrep_type;      /* AODV message type (2) */
  83         u_int8_t        rrep_flags;     /* various flags */
  84         u_int8_t        rrep_ps;        /* prefix size */
  85         u_int8_t        rrep_hops;      /* number of hops from o to d */
  86         u_int32_t       rrep_da;        /* destination IPv4 address */
  87         u_int32_t       rrep_ds;        /* destination sequence number */
  88         u_int32_t       rrep_oa;        /* originator IPv4 address */
  89         u_int32_t       rrep_life;      /* lifetime of this route */
  90 };
  91 #ifdef INET6
  92 struct aodv_rrep6 {
  93         u_int8_t        rrep_type;      /* AODV message type (2) */
  94         u_int8_t        rrep_flags;     /* various flags */
  95         u_int8_t        rrep_ps;        /* prefix size */
  96         u_int8_t        rrep_hops;      /* number of hops from o to d */
  97         struct in6_addr rrep_da;        /* destination IPv6 address */
  98         u_int32_t       rrep_ds;        /* destination sequence number */
  99         struct in6_addr rrep_oa;        /* originator IPv6 address */
 100         u_int32_t       rrep_life;      /* lifetime of this route */
 101 };
 102 struct aodv_rrep6_draft_01 {
 103         u_int8_t        rrep_type;      /* AODV message type (17) */
 104         u_int8_t        rrep_flags;     /* various flags */
 105         u_int8_t        rrep_ps;        /* prefix size */
 106         u_int8_t        rrep_hops;      /* number of hops from o to d */
 107         u_int32_t       rrep_ds;        /* destination sequence number */
 108         struct in6_addr rrep_da;        /* destination IPv6 address */
 109         struct in6_addr rrep_oa;        /* originator IPv6 address */
 110         u_int32_t       rrep_life;      /* lifetime of this route */
 111 };
 112 #endif
 113
 114 #define RREP_REPAIR             0x80    /* repair (reserved for multicast */
 115 #define RREP_ACK                0x40    /* acknowledgement required */
 116 #define RREP_FLAGS_MASK         0xC0    /* mask for rrep_flags */
 117 #define RREP_PREFIX_MASK        0x1F    /* mask for prefix size */
 118
 119 struct rerr_unreach {
 120         u_int32_t       u_da;   /* IPv4 address */
 121         u_int32_t       u_ds;   /* sequence number */
 122 };
 123 #ifdef INET6
 124 struct rerr_unreach6 {
 125         struct in6_addr u_da;   /* IPv6 address */
 126         u_int32_t       u_ds;   /* sequence number */
 127 };
 128 struct rerr_unreach6_draft_01 {
 129         struct in6_addr u_da;   /* IPv6 address */
 130         u_int32_t       u_ds;   /* sequence number */
 131 };
 132 #endif
 133
 134 struct aodv_rerr {
 135         u_int8_t        rerr_type;      /* AODV message type (3 or 18) */
 136         u_int8_t        rerr_flags;     /* various flags */
 137         u_int8_t        rerr_zero0;     /* reserved, set to zero */
 138         u_int8_t        rerr_dc;        /* destination count */
 139         union {
 140                 struct  rerr_unreach dest[1];
 141 #ifdef INET6
 142                 struct  rerr_unreach6 dest6[1];
 143                 struct  rerr_unreach6_draft_01 dest6_draft_01[1];
 144 #endif
 145         } r;
 146 };
 147
 148 #define RERR_NODELETE           0x80    /* don't delete the link */
 149 #define RERR_FLAGS_MASK         0x80    /* mask for rerr_flags */
 150
 151 struct aodv_rrep_ack {
 152         u_int8_t        ra_type;
 153         u_int8_t        ra_zero0;
 154 };
 155
 156 union aodv {
 157         struct aodv_rreq rreq;
 158         struct aodv_rrep rrep;
 159         struct aodv_rerr rerr;
 160         struct aodv_rrep_ack rrep_ack;
 161 #ifdef INET6
 162         struct aodv_rreq6 rreq6;
 163         struct aodv_rreq6_draft_01 rreq6_draft_01;
 164         struct aodv_rrep6 rrep6;
 165         struct aodv_rrep6_draft_01 rrep6_draft_01;
 166 #endif
 167 };
 168
 169 #define AODV_RREQ               1       /* route request */
 170 #define AODV_RREP               2       /* route response */
 171 #define AODV_RERR               3       /* error report */
 172 #define AODV_RREP_ACK           4       /* route response acknowledgement */
 173
 174 #define AODV_V6_DRAFT_01_RREQ           16      /* IPv6 route request */
 175 #define AODV_V6_DRAFT_01_RREP           17      /* IPv6 route response */
 176 #define AODV_V6_DRAFT_01_RERR           18      /* IPv6 error report */
 177 #define AODV_V6_DRAFT_01_RREP_ACK       19      /* IPV6 route response acknowledgment */
 178
 179 struct aodv_ext {
 180         u_int8_t        type;           /* extension type */
 181         u_int8_t        length;         /* extension length */
 182 };
 183
 184 struct aodv_hello {
 185         struct  aodv_ext        eh;             /* extension header */
 186         u_int32_t               interval;       /* expect my next hello in
 187                                                  * (n) ms */
 188 };
 189
 190 #define AODV_EXT_HELLO  1
 191
 192 #endif /* _AODV_H_ */