94 lines
3 KiB
C
94 lines
3 KiB
C
/* ip_opts.h
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* Definitions of structures and routines for dissection of options that
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* work like IPv4 options
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*
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* $Id$
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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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* 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 __IP_OPTS_H__
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#define __IP_OPTS_H__
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/** @file
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*/
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typedef enum {
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NO_LENGTH, /**< option has no data, hence no length */
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FIXED_LENGTH, /**< option always has the same length */
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VARIABLE_LENGTH /**< option is variable-length - optlen is minimum */
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} opt_len_type;
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/** Member of table of IP or TCP options. */
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typedef struct ip_tcp_opt {
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int optcode; /**< code for option */
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const char *name; /**< name of option */
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int *subtree_index; /**< pointer to subtree index for option */
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opt_len_type len_type; /**< type of option length field */
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int optlen; /**< value length should be (minimum if VARIABLE) */
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void (*dissect)(const struct ip_tcp_opt *,
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tvbuff_t *,
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int,
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guint,
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packet_info *,
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proto_tree *); /**< routine to dissect option */
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} ip_tcp_opt;
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/** Routine to dissect options that work like IPv4 options, where the
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length field in the option, if present, includes the type and
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length bytes. */
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extern void dissect_ip_tcp_options(tvbuff_t *, int, guint,
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const ip_tcp_opt *, int, int,
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packet_info *, proto_tree *, proto_item *);
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/* Quick-Start option, as defined by RFC4782 */
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#define QS_FUNC_MASK 0xf0
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#define QS_RATE_MASK 0x0f
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#define QS_RATE_REQUEST 0
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#define QS_RATE_REPORT 8
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static const value_string qs_func_vals[] = {
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{QS_RATE_REQUEST, "Rate request"},
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{QS_RATE_REPORT, "Rate report"},
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{0, NULL}
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};
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static const value_string qs_rate_vals[] = {
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{ 0, "0 bit/s"},
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{ 1, "80 Kbit/s"},
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{ 2, "160 Kbit/s"},
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{ 3, "320 Kbit/s"},
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{ 4, "640 Kbit/s"},
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{ 5, "1.28 Mbit/s"},
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{ 6, "2.56 Mbit/s"},
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{ 7, "5.12 Mbit/s"},
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{ 8, "10.24 Mbit/s"},
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{ 9, "20.48 Mbit/s"},
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{10, "40.96 Mbit/s"},
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{11, "81.92 Mbit/s"},
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{12, "163.84 Mbit/s"},
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{13, "327.68 Mbit/s"},
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{14, "655.36 Mbit/s"},
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{15, "1.31072 Gbit/s"},
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{0, NULL}
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};
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#endif
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