plugins/epan/wimax/wimax_tlv.h

   1 /* wimax_tlv.h
   2  * WiMax TLV handling function header file
   3  *
   4  * Copyright (c) 2007 by Intel Corporation.
   5  *
   6  * Author: Lu Pan <lu.pan@intel.com>
   7  *
   8  * Wireshark - Network traffic analyzer
   9  * By Gerald Combs <gerald@wireshark.org>
  10  * Copyright 1999 Gerald Combs
  11  *
  12  * SPDX-License-Identifier: GPL-2.0-or-later
  13  */
  14 #ifndef _WIMAX_TLV_H_
  15 #define _WIMAX_TLV_H_
  16
  17 #include <epan/packet.h>
  18
  19 #define WIMAX_TLV_EXTENDED_LENGTH_MASK 0x80
  20 #define WIMAX_TLV_LENGTH_MASK          0x7F
  21
  22 #define MAX_TLV_LEN 64000
  23
  24 typedef struct
  25 {
  26         uint8_t  valid;          /* TLV info status: 0=invalid; 1=valid */
  27         uint8_t  type;           /* TLV type */
  28         uint8_t  length_type;    /* length type: 0=single byte; 1=multiple bytes */
  29         uint8_t  size_of_length; /* size of the TLV length */
  30         unsigned value_offset;   /* the offset of TLV value field */
  31         int32_t  length;         /* length of TLV value field */
  32 } tlv_info_t;
  33
  34 int    init_tlv_info(tlv_info_t *info, tvbuff_t *tvb, int offset);
  35 int    valid_tlv_info(tlv_info_t *info);
  36 int    get_tlv_type(tlv_info_t *info);
  37 int    get_tlv_length_type(tlv_info_t *info);
  38 int    get_tlv_size_of_length(tlv_info_t *info);
  39 int    get_tlv_value_offset(tlv_info_t *info);
  40 int32_t get_tlv_length(tlv_info_t *info);
  41 proto_item *add_tlv_subtree(tlv_info_t *info, proto_tree *tree, int hfindex, tvbuff_t *tvb, int start, const unsigned encoding);
  42 proto_tree *add_tlv_subtree_no_item(tlv_info_t *info, proto_tree *tree, int hfindex, tvbuff_t *tvb, int start);
  43 proto_tree *add_protocol_subtree(tlv_info_t *info, int idx, proto_tree *tree, int hfindex, tvbuff_t *tvb, int start, int length, const char *label);
  44
  45 #endif /* WIMAX_TLV_H */