bsd/netinet6/natpt_log.h

   1 /*      $KAME: natpt_log.h,v 1.5 2000/03/25 07:23:55 sumikawa Exp $     */
   2
   3 /*
   4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #ifndef _NATPT_LOG_H
  33 #define _NATPT_LOG_H
  34
  35
  36 #if (defined(KERNEL)) || (defined(_KERNEL))
  37
  38 /*  Header at beginning of logged packet.                               */
  39
  40 struct  l_pkt
  41 {
  42     char        ifName[IFNAMSIZ];
  43     char        __buf[4];
  44 };
  45
  46
  47 /*  Header at beginning of active Transration Table                     */
  48
  49 struct  l_att
  50 {
  51     u_int               _stub;
  52 #define ATT_ALLOC       (0)
  53 #define ATT_REMOVE      (1)
  54 #define ATT_FASTEN      (2)
  55 #define ATT_UNFASTEN    (3)
  56 #define ATT_REGIST      (4)
  57     caddr_t             _addr;
  58 #if     0
  59     struct  _aTT        _att;
  60     struct  _tcpstate   _state;
  61 #endif
  62 };
  63 #endif  /* defined(KERNEL)      */
  64
  65
  66 /*  Header at beginning of each lbuf.                                   */
  67
  68 #ifndef IN6ADDRSZ
  69 #define IN6ADDRSZ               16      /* IPv6 T_AAAA */
  70 #define INT16SZ                 2       /* for systems without 16-bit ints      */
  71 #endif  /* !defined(IN6ADDRSZ)  */
  72
  73 #define LBFSZ   (MHLEN - sizeof(struct l_hdr))  /* LBUF payload within MBUF     */
  74 #define MSGSZ   (LBFSZ  - IN6ADDRSZ)            /* max message size     */
  75
  76
  77 enum
  78 {
  79     LOG_MSG,
  80     LOG_MBUF,
  81     LOG_IP4,
  82     LOG_IP6,
  83     LOG_IN4ADDR,
  84     LOG_IN6ADDR,
  85     LOG_CSLOT,
  86     LOG_TSLOT,
  87     LOG_RULE
  88 };
  89
  90
  91 struct  l_hdr
  92 {
  93     u_short      lh_type;       /* Type of data in this lbuf            */
  94     u_short      lh_pri;        /* Priorities of thie message           */
  95     size_t       lh_size;       /* Amount of data in this lbuf          */
  96     u_long       lh_sec;        /* Timestamp in second                  */
  97     u_long       lh_usec;       /* Timestamp in microsecond             */
  98 };
  99
 100
 101 struct  l_addr
 102 {
 103     char        in6addr[IN6ADDRSZ];
 104     char        __msg[MSGSZ];
 105 };
 106
 107
 108 /*  Definition of whole lbuf                                            */
 109
 110 struct  lbuf
 111 {
 112     struct      l_hdr   l_hdr;
 113     union
 114     {
 115 #ifdef _KERNEL
 116         struct  l_pkt   l_pkt;
 117         struct  l_att   l_att;
 118 #endif  /* defined(_KERNEL)     */
 119         struct  l_addr  __laddr;
 120         char            __buf[LBFSZ];
 121     }           l_dat;
 122 };
 123
 124
 125 #define l_addr          l_dat.__laddr
 126 #define l_msg           l_dat.__laddr.__msg
 127
 128
 129 #endif  /* !_NATPT_LOG_H        */