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/* packet-ip.h
* Definitions for IP packet disassembly structures and routines
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __PACKET_IP_H__
#define __PACKET_IP_H__
#include "ws_symbol_export.h"
extern int proto_ip;
typedef struct _ws_ip
{
guint8 ip_v_hl; /* combines ip_v and ip_hl */
guint8 ip_tos;
guint16 ip_len;
guint16 ip_id;
guint16 ip_off;
guint8 ip_ttl;
guint8 ip_p;
guint16 ip_sum;
address ip_src;
address ip_dst;
} ws_ip;
/* Differentiated Services Codepoint */
#define IPDSFIELD_DSCP_MASK 0xFC
#define IPDSFIELD_DSCP(dsfield) (((dsfield) & IPDSFIELD_DSCP_MASK) >> 2)
/* Explicit Congestion Notification */
#define IPDSFIELD_ECN_MASK 0x03
#define IPDSFIELD_ECN(dsfield) ((dsfield) & IPDSFIELD_ECN_MASK)
void capture_ip(const guchar *, int, int, packet_counts *, const union wtap_pseudo_header *pseudo_header);
gboolean ip_try_dissect(gboolean heur_first, tvbuff_t *tvb,
packet_info *pinfo, proto_tree *tree, ws_ip *iph);
/* Export the DSCP/ECN extended value-string table for other protocols */
WS_DLL_PUBLIC value_string_ext dscp_vals_ext;
WS_DLL_PUBLIC value_string_ext ecn_vals_ext;
WS_DLL_PUBLIC value_string_ext dscp_short_vals_ext;
WS_DLL_PUBLIC value_string_ext ecn_short_vals_ext;
#endif /* __PACKET_IP_H__ */
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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