epan/dissectors/packet-ip.h

   1 /* packet-ip.h
   2  * Definitions for IP packet disassembly structures and routines
   3  *
   4  * $Id$
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version 2
  13  * of the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  23  */
  24
  25
  26 #ifndef __PACKET_IP_H__
  27 #define __PACKET_IP_H__
  28
  29 #include "ws_symbol_export.h"
  30
  31 extern int proto_ip;
  32
  33 typedef struct _ws_ip
  34 {
  35     guint8  ip_v_hl; /* combines ip_v and ip_hl */
  36     guint8  ip_tos;
  37     guint16 ip_len;
  38     guint16 ip_id;
  39     guint16 ip_off;
  40     guint8  ip_ttl;
  41     guint8  ip_p;
  42     guint16 ip_sum;
  43     address ip_src;
  44     address ip_dst;
  45 } ws_ip;
  46
  47 void capture_ip(const guchar *, int, int, packet_counts *);
  48 guint16 ip_checksum(const guint8 *ptr, int len);
  49
  50 /* Export the DSCP extended value-string table for other protocols */
  51 WS_DLL_PUBLIC value_string_ext dscp_vals_ext;
  52
  53 #endif