1998-09-16 02:39:15 +00:00
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/* etypes.h
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* Defines ethernet packet types, similar to tcpdump's ethertype.h
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*
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2001-06-14 20:37:07 +00:00
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* $Id: etypes.h,v 1.21 2001/06/14 20:37:07 guy Exp $
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1998-09-16 03:22:19 +00:00
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*
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1998-09-16 02:39:15 +00:00
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __ETYPES_H__
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#define __ETYPES_H__
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1999-08-22 01:35:34 +00:00
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/*
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* Maximum length of an IEEE 802.3 frame; Ethernet type/length values
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* greater than it are types, Ethernet type/length values less than or
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* equal to it are lengths.
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*/
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DLT_NULL, from "libpcap", means different things on different platforms
and in different capture files; throw in some heuristics to try to
figure out whether the 4-byte header is:
1) PPP-over-HDLC (some version of ISDN4BSD?);
2) big-endian AF_ value (BSD on big-endian platforms);
3) little-endian AF_ value (BSD on little-endian platforms);
4) two octets of 0 followed by an Ethernet type (Linux, at least
on little-endian platforms, as mutated by "libpcap").
Make a separate Wiretap encapsulation type, WTAP_ENCAP_NULL,
corresponding to DLT_NULL.
Have the PPP code dissect the frame if it's PPP-over-HDLC, and have
"ethertype()" dissect the Ethernet type and the rest of the packet if
it's a Linux-style header; dissect it ourselves only if it's an AF_
value.
Have Wiretap impose a maximum packet size of 65535 bytes, so that it
fails more gracefully when handed a corrupt "libpcap" capture file
(other capture file formats with more than a 16-bit capture length
field, if any, will have that check added later), and put that size in
"wtap.h" and have Ethereal use it as its notion of a maximum packet
size.
Have Ethereal put up a "this file appears to be damaged or corrupt"
message box if Wiretap returns a WTAP_ERR_BAD_RECORD error when opening
or reading a capture file.
Include loopback interfaces in the list of interfaces offered by the
"Capture" dialog box, but put them at the end of the list so that it
doesn't default to a loopback interface unless there are no other
interfaces. Also, don't require that an interface in the list have an
IP address associated with it, and only put one entry in the list for a
given interface (SIOCGIFCONF returns one entry per interface *address*,
not per *interface* - and even if you were to use only IP addresses, an
interface could conceivably have more than one IP address).
Exclusively use Wiretap encapsulation types internally, even when
capturing; don't use DLT_ types.
svn path=/trunk/; revision=540
1999-08-22 00:47:56 +00:00
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#define IEEE_802_3_MAX_LEN 1500
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1998-09-16 02:39:15 +00:00
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#ifndef ETHERTYPE_UNK
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2001-05-28 20:18:08 +00:00
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#define ETHERTYPE_UNK 0x0000
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1998-09-16 02:39:15 +00:00
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#endif
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/* Sources:
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* http://www.isi.edu/in-notes/iana/assignments/ethernet-numbers
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* TCP/IP Illustrated, Volume 1
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* RFCs 894, 1042, 826
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* tcpdump's ethertype.h
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* http://www.cavebear.com/CaveBear/Ethernet/
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*/
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_VINES
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#define ETHERTYPE_VINES 0x0bad
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#endif
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#ifndef ETHERTYPE_TRAIN
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/*
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* Created by Microsoft Network Monitor as a summary packet.
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*/
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#define ETHERTYPE_TRAIN 0x1984
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#endif
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2000-08-09 22:10:23 +00:00
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#ifndef ETHERTYPE_3C_NBP_DGRAM
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#define ETHERTYPE_3C_NBP_DGRAM 0x3c07
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#endif
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_IP
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#define ETHERTYPE_IP 0x0800
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#endif
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#ifndef ETHERTYPE_X25L3
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#define ETHERTYPE_X25L3 0x0805
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#endif
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#ifndef ETHERTYPE_ARP
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#define ETHERTYPE_ARP 0x0806
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#endif
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2000-08-09 22:10:23 +00:00
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#ifndef ETHERTYPE_DEC
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#define ETHERTYPE_DEC 0x6000
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#endif
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#ifndef ETHERTYPE_DNA_DL
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#define ETHERTYPE_DNA_DL 0x6001
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#endif
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#ifndef ETHERTYPE_DNA_RC
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#define ETHERTYPE_DNA_RC 0x6002
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#endif
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#ifndef ETHERTYPE_DNA_RT
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#define ETHERTYPE_DNA_RT 0x6003
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#endif
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#ifndef ETHERTYPE_LAT
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#define ETHERTYPE_LAT 0x6004
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#endif
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#ifndef ETHERTYPE_DEC_DIAG
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#define ETHERTYPE_DEC_DIAG 0x6005
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#endif
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#ifndef ETHERTYPE_DEC_CUST
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#define ETHERTYPE_DEC_CUST 0x6006
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#endif
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#ifndef ETHERTYPE_DEC_SCA
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#define ETHERTYPE_DEC_SCA 0x6007
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#endif
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_ETHBRIDGE
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#define ETHERTYPE_ETHBRIDGE 0x6558 /* transparent Ethernet bridging */
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2000-01-13 04:49:54 +00:00
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#endif
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1998-09-16 02:39:15 +00:00
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#ifndef ETHERTYPE_REVARP
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2001-04-03 05:42:11 +00:00
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#define ETHERTYPE_REVARP 0x8035
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1998-09-16 02:39:15 +00:00
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#endif
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2000-08-09 22:10:23 +00:00
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#ifndef ETHERTYPE_DEC_LB
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2001-04-03 05:42:11 +00:00
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#define ETHERTYPE_DEC_LB 0x8038
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2000-08-09 22:10:23 +00:00
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#endif
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1998-09-16 02:39:15 +00:00
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#ifndef ETHERTYPE_ATALK
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2001-04-03 05:42:11 +00:00
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#define ETHERTYPE_ATALK 0x809b
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1998-09-16 02:39:15 +00:00
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#endif
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#ifndef ETHERTYPE_AARP
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2001-04-03 05:42:11 +00:00
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#define ETHERTYPE_AARP 0x80f3
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1998-09-16 02:39:15 +00:00
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#endif
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#ifndef ETHERTYPE_IPX
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2001-04-03 05:42:11 +00:00
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#define ETHERTYPE_IPX 0x8137
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1998-09-16 02:39:15 +00:00
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#endif
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_VLAN
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#define ETHERTYPE_VLAN 0x8100 /* 802.1Q Virtual LAN */
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1998-09-17 02:37:47 +00:00
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#endif
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1998-12-19 00:12:23 +00:00
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_SNMP
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#define ETHERTYPE_SNMP 0x814c /* SNMP over Ethernet, RFC 1089 */
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1999-06-22 22:02:39 +00:00
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#endif
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2001-03-29 08:05:07 +00:00
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#ifndef ETHERTYPE_WCP
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2001-04-03 05:42:11 +00:00
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#define ETHERTYPE_WCP 0x80ff /* Wellfleet Compression Protocol */
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1998-12-19 00:12:23 +00:00
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#endif
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_IPv6
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#define ETHERTYPE_IPv6 0x86dd
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1999-06-11 15:30:55 +00:00
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#endif
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_PPP
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#define ETHERTYPE_PPP 0x880b /* no, this is not PPPoE */
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1999-06-11 15:30:55 +00:00
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#endif
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_MPLS
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#define ETHERTYPE_MPLS 0x8847 /* MPLS unicast packet */
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1999-10-20 22:41:12 +00:00
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#endif
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_MPLS_MULTI
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#define ETHERTYPE_MPLS_MULTI 0x8848 /* MPLS multicast packet */
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1999-11-26 04:52:36 +00:00
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#endif
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1999-06-11 15:30:55 +00:00
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_PPPOED
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#define ETHERTYPE_PPPOED 0x8863 /* PPPoE Discovery Protocol */
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2000-03-09 18:31:51 +00:00
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#endif
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_PPPOES
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#define ETHERTYPE_PPPOES 0x8864 /* PPPoE Session Protocol */
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2000-03-09 18:31:51 +00:00
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#endif
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2001-04-03 05:42:11 +00:00
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#ifndef ETHERTYPE_LOOP
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#define ETHERTYPE_LOOP 0x9000 /* used for layer 2 testing (do i see my own frames on the wire) */
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2001-01-13 07:47:49 +00:00
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#endif
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2001-04-17 06:43:21 +00:00
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extern const value_string etype_vals[];
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1999-06-22 22:02:39 +00:00
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2001-04-17 06:43:21 +00:00
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#endif /* etypes.h */
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