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ip_opts.h
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1/* ip_opts.h
2 * Definitions of structures and routines for dissection of options that
3 * work like IPv4 options
4 *
5 * Wireshark - Network traffic analyzer
6 * By Gerald Combs <gerald@wireshark.org>
7 * Copyright 1998 Gerald Combs
8 *
9 * SPDX-License-Identifier: GPL-2.0-or-later
10 */
11
12#ifndef __IP_OPTS_H__
13#define __IP_OPTS_H__
14
15#include "ws_symbol_export.h"
16
20 typedef enum {
21 OPT_LEN_NO_LENGTH,
22 OPT_LEN_FIXED_LENGTH,
23 OPT_LEN_VARIABLE_LENGTH
24} opt_len_type;
25
26
27
28/* Quick-Start option, as defined by RFC4782 */
29#define QS_FUNC_MASK 0xf0
30#define QS_RATE_MASK 0x0f
31#define QS_RATE_REQUEST 0
32#define QS_RATE_REPORT 8
33
34/* IP options */
35#define IPOPT_COPY_MASK 0x80
36#define IPOPT_CLASS_MASK 0x60
37#define IPOPT_NUMBER_MASK 0x1F
38
39WS_DLL_PUBLIC const value_string qs_func_vals[];
40WS_DLL_PUBLIC value_string_ext qs_rate_vals_ext;
41
42WS_DLL_PUBLIC const value_string ipopt_type_class_vals[];
43WS_DLL_PUBLIC const value_string ipopt_type_number_vals[];
44
45#endif
opt_len_type
opt_len_type
Definition ip_opts.h:20
OPT_LEN_VARIABLE_LENGTH
@ OPT_LEN_VARIABLE_LENGTH
Definition ip_opts.h:23
OPT_LEN_FIXED_LENGTH
@ OPT_LEN_FIXED_LENGTH
Definition ip_opts.h:22
OPT_LEN_NO_LENGTH
@ OPT_LEN_NO_LENGTH
Definition ip_opts.h:21
_value_string_ext
Extended metadata for a value_string array.
Definition value_string.h:325
_value_string
Mapping between a 32-bit integer value and its string representation.
Definition value_string.h:33