wiretap/erf.h

   1 /*
   2 *
   3 * Copyright (c) 2003 Endace Technology Ltd, Hamilton, New Zealand.
   4 * All rights reserved.
   5 *
   6 * This software and documentation has been developed by Endace Technology Ltd.
   7 * along with the DAG PCI network capture cards. For further information please
   8 * visit http://www.endace.com/.
   9 *
  10 * Redistribution and use in source and binary forms, with or without
  11 * modification, are permitted provided that the following conditions are met:
  12 *
  13 *  1. Redistributions of source code must retain the above copyright notice,
  14 *  this list of conditions and the following disclaimer.
  15 *
  16 *  2. Redistributions in binary form must reproduce the above copyright
  17 *  notice, this list of conditions and the following disclaimer in the
  18 *  documentation and/or other materials provided with the distribution.
  19 *
  20 *  3. The name of Endace Technology Ltd may not be used to endorse or promote
  21 *  products derived from this software without specific prior written
  22 *  permission.
  23 *
  24 * THIS SOFTWARE IS PROVIDED BY ENDACE TECHNOLOGY LTD ``AS IS'' AND ANY EXPRESS
  25 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
  27 * EVENT SHALL ENDACE TECHNOLOGY LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  29 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  31 * IN 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 * $Id$
  36 */
  37
  38 #ifndef __W_ERF_H__
  39 #define __W_ERF_H__
  40
  41 #include <glib.h>
  42 #include <wiretap/wtap.h>
  43 #include "ws_symbol_export.h"
  44
  45 /* Record type defines */
  46 #define ERF_TYPE_LEGACY             0
  47 #define ERF_TYPE_HDLC_POS           1
  48 #define ERF_TYPE_ETH                2
  49 #define ERF_TYPE_ATM                3
  50 #define ERF_TYPE_AAL5               4
  51 #define ERF_TYPE_MC_HDLC            5
  52 #define ERF_TYPE_MC_RAW             6
  53 #define ERF_TYPE_MC_ATM             7
  54 #define ERF_TYPE_MC_RAW_CHANNEL     8
  55 #define ERF_TYPE_MC_AAL5            9
  56 #define ERF_TYPE_COLOR_HDLC_POS     10
  57 #define ERF_TYPE_COLOR_ETH          11
  58 #define ERF_TYPE_MC_AAL2            12
  59 #define ERF_TYPE_IP_COUNTER         13
  60 #define ERF_TYPE_TCP_FLOW_COUNTER   14
  61 #define ERF_TYPE_DSM_COLOR_HDLC_POS 15
  62 #define ERF_TYPE_DSM_COLOR_ETH      16
  63 #define ERF_TYPE_COLOR_MC_HDLC_POS  17
  64 #define ERF_TYPE_AAL2               18
  65 #define ERF_TYPE_INFINIBAND         21
  66 #define ERF_TYPE_IPV4               22
  67 #define ERF_TYPE_IPV6               23
  68 #define ERF_TYPE_RAW_LINK           24
  69 #define ERF_TYPE_INFINIBAND_LINK    25
  70
  71 #define ERF_TYPE_PAD                48
  72
  73 #define ERF_TYPE_MIN  1   /* sanity checking */
  74 #define ERF_TYPE_MAX  48  /* sanity checking */
  75
  76  /*
  77   * The timestamp is 64bit unsigned fixed point little-endian value with
  78   * 32 bits for second and 32 bits for fraction.
  79   */
  80 typedef guint64 erf_timestamp_t;
  81
  82 typedef struct erf_record {
  83         erf_timestamp_t ts;
  84         guint8          type;
  85         guint8          flags;
  86         guint16         rlen;
  87         guint16         lctr;
  88         guint16         wlen;
  89 } erf_header_t;
  90
  91 typedef struct erf_mc_hdr {
  92         guint32 mc;
  93 } erf_mc_header_t;
  94
  95 typedef struct erf_eth_hdr {
  96         guint16 eth;
  97 } erf_eth_header_t;
  98
  99 union erf_subhdr {
 100   struct erf_mc_hdr mc_hdr;
 101   struct erf_eth_hdr eth_hdr;
 102 };
 103
 104 #define MIN_RECORDS_FOR_ERF_CHECK 3
 105 #define RECORDS_FOR_ERF_CHECK 20
 106 #define FCS_BITS        32
 107
 108 int erf_open(wtap *wth, int *err, gchar **err_info);
 109 int erf_dump_can_write_encap(int encap);
 110 int erf_dump_open(wtap_dumper *wdh, int *err);
 111
 112 int erf_populate_interfaces(wtap *wth);
 113
 114 #endif /* __W_ERF_H__ */