forked from osmocom/wireshark
69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/* packet-gre.h
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* Routines and data exported by the dissection code for the
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* Generic Routing Encapsulation (GRE) protocol
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/* bit positions for flags in header */
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#define GRE_CHECKSUM 0x8000
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#define GRE_ROUTING 0x4000
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#define GRE_KEY 0x2000
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#define GRE_SEQUENCE 0x1000
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#define GRE_STRICTSOURCE 0x0800
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#define GRE_RECURSION 0x0700
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#define GRE_ACK 0x0080 /* only in special PPTPized GRE header */
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#define GRE_RESERVED_PPP 0x0078 /* only in special PPTPized GRE header */
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#define GRE_RESERVED 0x00F8
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#define GRE_VERSION 0x0007
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/* GRE type values that aren't also Ethernet type values */
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#define GRE_KEEPALIVE 0x0000
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#define GRE_CISCO_CDP 0x2000
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#define GRE_NHRP 0x2001
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#define GRE_WCCP 0x883E
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#define GRE_ERSPAN_88BE 0x88BE
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#define GRE_ERSPAN_22EB 0x22EB
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#define GRE_MIKROTIK_EOIP 0x6400
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#define GRE_AIROHIVE 0xFEAE
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#define GRE_GREBONDING 0xB7EA
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/* ************************************************************************* */
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/* Aruba GRE Encapsulation ID */
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/* ************************************************************************* */
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#define GRE_ARUBA_8200 0x8200
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#define GRE_ARUBA_8210 0x8210
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#define GRE_ARUBA_8220 0x8220
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#define GRE_ARUBA_8230 0x8230
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#define GRE_ARUBA_8240 0x8240
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#define GRE_ARUBA_8250 0x8250
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#define GRE_ARUBA_8260 0x8260
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#define GRE_ARUBA_8270 0x8270
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#define GRE_ARUBA_8280 0x8280
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#define GRE_ARUBA_8290 0x8290
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#define GRE_ARUBA_82A0 0x82A0
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#define GRE_ARUBA_82B0 0x82B0
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#define GRE_ARUBA_82C0 0x82C0
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#define GRE_ARUBA_82D0 0x82D0
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#define GRE_ARUBA_82E0 0x82E0
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#define GRE_ARUBA_82F0 0x82F0
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#define GRE_ARUBA_8300 0x8300
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#define GRE_ARUBA_8310 0x8310
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#define GRE_ARUBA_8320 0x8320
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#define GRE_ARUBA_8330 0x8330
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#define GRE_ARUBA_8340 0x8340
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#define GRE_ARUBA_8350 0x8350
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#define GRE_ARUBA_8360 0x8360
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#define GRE_ARUBA_8370 0x8370
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#define GRE_ARUBA_9000 0x9000
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extern const value_string gre_typevals[];
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typedef struct gre_hdr_info {
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guint16 flags_and_ver;
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guint32 key;
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} gre_hdr_info_t;
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