wireshark/epan/packet_info.h

102 lines
3.3 KiB
C

/* packet_info.h
* Definitions for packet info structures and routines
*
* $Id: packet_info.h,v 1.1 2001/04/01 04:50:42 hagbard Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __PACKET_INFO_H__
#define __PACKET_INFO_H__
#include "frame_data.h"
#include "tvbuff.h"
/* Types of addresses Ethereal knows about. */
typedef enum {
AT_NONE, /* no link-layer address */
AT_ETHER, /* MAC (Ethernet, 802.x, FDDI) address */
AT_IPv4, /* IPv4 */
AT_IPv6, /* IPv6 */
AT_IPX, /* IPX */
AT_SNA, /* SNA */
AT_ATALK, /* Appletalk DDP */
AT_VINES, /* Banyan Vines */
AT_OSI, /* OSI NSAP */
AT_DLCI /* Frame Relay DLCI */
} address_type;
typedef struct _address {
address_type type; /* type of address */
int len; /* length of address, in bytes */
const guint8 *data; /* bytes that constitute address */
} address;
#define SET_ADDRESS(addr, addr_type, addr_len, addr_data) { \
(addr)->type = (addr_type); \
(addr)->len = (addr_len); \
(addr)->data = (addr_data); \
}
/* Types of port numbers Ethereal knows about. */
typedef enum {
PT_NONE, /* no port number */
PT_SCTP, /* SCTP */
PT_TCP, /* TCP */
PT_UDP, /* UDP */
PT_NCP /* NCP connection */
} port_type;
#define P2P_DIR_UNKNOWN -1
#define P2P_DIR_SENT 0
#define P2P_DIR_RECV 1
typedef struct _packet_info {
const char *current_proto; /* name of protocol currently being dissected */
frame_data *fd;
tvbuff_t *compat_top_tvb; /* only needed while converting Ethereal to use tvbuffs */
union wtap_pseudo_header *pseudo_header;
int len;
int captured_len;
address dl_src; /* link-layer source address */
address dl_dst; /* link-layer destination address */
address net_src; /* network-layer source address */
address net_dst; /* network-layer destination address */
address src; /* source address (net if present, DL otherwise )*/
address dst; /* destination address (net if present, DL otherwise )*/
guint32 ethertype; /* Ethernet Type Code, if this is an Ethernet packet */
guint32 ipproto; /* IP protocol, if this is an IP packet */
guint32 ipxptype; /* IPX packet type, if this is an IPX packet */
gboolean fragmented; /* TRUE if the protocol is only a fragment */
port_type ptype; /* type of the following two port numbers */
guint32 srcport; /* source port */
guint32 destport; /* destination port */
guint32 match_port;
int iplen;
int iphdrlen;
int p2p_dir;
} packet_info;
void blank_packetinfo(void);
extern packet_info pi;
#endif /* __PACKET_INFO_H__ */