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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
39 WS_DLL_PUBLIC const value_string qs_func_vals[];
40 WS_DLL_PUBLIC value_string_ext qs_rate_vals_ext;
41
42 WS_DLL_PUBLIC const value_string ipopt_type_class_vals[];
43 WS_DLL_PUBLIC const value_string ipopt_type_number_vals[];
44
45 #endif
OPT_LEN_FIXED_LENGTH
Definition: ip_opts.h:22
opt_len_type
opt_len_type
Definition: ip_opts.h:20
OPT_LEN_VARIABLE_LENGTH
Definition: ip_opts.h:23
_value_string
Definition: value_string.h:24
_value_string_ext
Definition: value_string.h:164
OPT_LEN_NO_LENGTH
Definition: ip_opts.h:21