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Diffstat (limited to 'epan/dissectors/packet-gre.h')
| -rw-r--r-- | epan/dissectors/packet-gre.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/epan/dissectors/packet-gre.h b/epan/dissectors/packet-gre.h new file mode 100644 index 00000000..c79392dc --- /dev/null +++ b/epan/dissectors/packet-gre.h @@ -0,0 +1,68 @@ +/* packet-gre.h + * Routines and data exported by the dissection code for the + * Generic Routing Encapsulation (GRE) protocol + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +/* bit positions for flags in header */ +#define GRE_CHECKSUM 0x8000 +#define GRE_ROUTING 0x4000 +#define GRE_KEY 0x2000 +#define GRE_SEQUENCE 0x1000 +#define GRE_STRICTSOURCE 0x0800 +#define GRE_RECURSION 0x0700 +#define GRE_ACK 0x0080 /* only in special PPTPized GRE header */ +#define GRE_RESERVED_PPP 0x0078 /* only in special PPTPized GRE header */ +#define GRE_RESERVED 0x00F8 +#define GRE_VERSION 0x0007 + +/* GRE type values that aren't also Ethernet type values */ +#define GRE_KEEPALIVE 0x0000 +#define GRE_CISCO_CDP 0x2000 +#define GRE_NHRP 0x2001 +#define GRE_WCCP 0x883E +#define GRE_ERSPAN_88BE 0x88BE +#define GRE_ERSPAN_22EB 0x22EB +#define GRE_MIKROTIK_EOIP 0x6400 +#define GRE_AIROHIVE 0xFEAE +#define GRE_GREBONDING 0xB7EA +/* ************************************************************************* */ +/* Aruba GRE Encapsulation ID */ +/* ************************************************************************* */ +#define GRE_ARUBA_8200 0x8200 +#define GRE_ARUBA_8210 0x8210 +#define GRE_ARUBA_8220 0x8220 +#define GRE_ARUBA_8230 0x8230 +#define GRE_ARUBA_8240 0x8240 +#define GRE_ARUBA_8250 0x8250 +#define GRE_ARUBA_8260 0x8260 +#define GRE_ARUBA_8270 0x8270 +#define GRE_ARUBA_8280 0x8280 +#define GRE_ARUBA_8290 0x8290 +#define GRE_ARUBA_82A0 0x82A0 +#define GRE_ARUBA_82B0 0x82B0 +#define GRE_ARUBA_82C0 0x82C0 +#define GRE_ARUBA_82D0 0x82D0 +#define GRE_ARUBA_82E0 0x82E0 +#define GRE_ARUBA_82F0 0x82F0 +#define GRE_ARUBA_8300 0x8300 +#define GRE_ARUBA_8310 0x8310 +#define GRE_ARUBA_8320 0x8320 +#define GRE_ARUBA_8330 0x8330 +#define GRE_ARUBA_8340 0x8340 +#define GRE_ARUBA_8350 0x8350 +#define GRE_ARUBA_8360 0x8360 +#define GRE_ARUBA_8370 0x8370 +#define GRE_ARUBA_9000 0x9000 + +extern const value_string gre_typevals[]; + +typedef struct gre_hdr_info { + guint16 flags_and_ver; + guint32 key; +} gre_hdr_info_t; |