plugins/epan/wimax/wimax_cdma_code_decoder.c

   1 /* wimax_cdma_code_decoder.c
   2  * WiMax CDMA CODE Attribute decoder
   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
  15 /* Include files */
  16
  17 #include "config.h"
  18
  19 #include <epan/packet.h>
  20 #include "wimax-int.h"
  21
  22 static int proto_wimax_cdma_code_decoder;
  23 static int ett_wimax_cdma_code_decoder;
  24
  25 static int hf_wimax_ranging_code;
  26 static int hf_wimax_ranging_symbol_offset;
  27 static int hf_wimax_ranging_subchannel_offset;
  28
  29 static int dissect_wimax_cdma_code_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
  30 {
  31         int offset = 0;
  32         proto_item *cdma_item;
  33         proto_tree *cdma_tree;
  34
  35         /* update the info column */
  36         col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "CDMA Code Attribute");
  37         if (tree)
  38         {       /* we are being asked for details */
  39                 /* display CDMA dissector info */
  40                 cdma_item = proto_tree_add_item(tree, proto_wimax_cdma_code_decoder, tvb, offset, -1, ENC_NA);
  41                 /* add CDMA Code subtree */
  42                 cdma_tree = proto_item_add_subtree(cdma_item, ett_wimax_cdma_code_decoder);
  43                 /* display the first CDMA Code */
  44                 proto_tree_add_item(cdma_tree, hf_wimax_ranging_code, tvb, offset, 1, ENC_BIG_ENDIAN);
  45                 /* display the 2nd CDMA Code */
  46                 proto_tree_add_item(cdma_tree, hf_wimax_ranging_symbol_offset, tvb, offset+1, 1, ENC_BIG_ENDIAN);
  47                 /* display the 3rd CDMA Code */
  48                 proto_tree_add_item(cdma_tree, hf_wimax_ranging_subchannel_offset, tvb, offset+2, 1, ENC_BIG_ENDIAN);
  49         }
  50         return tvb_captured_length(tvb);
  51 }
  52
  53 /* Register Wimax CDMA Protocol */
  54 void wimax_proto_register_wimax_cdma(void)
  55 {
  56         /* TLV display */
  57         static hf_register_info hf[] =
  58         {
  59                 {
  60                         &hf_wimax_ranging_code,
  61                         {
  62                                 "Ranging Code", "wmx.cdma.ranging_code",
  63                                 FT_UINT8, BASE_HEX, NULL, 0x0,
  64                                 NULL, HFILL
  65                         }
  66                 },
  67                 {
  68                         &hf_wimax_ranging_symbol_offset,
  69                         {
  70                                 "Ranging Symbol Offset", "wmx.cdma.ranging_symbol_offset",
  71                                 FT_UINT8, BASE_HEX, NULL, 0x0,
  72                                 NULL, HFILL
  73                         }
  74                 },
  75                 {
  76                         &hf_wimax_ranging_subchannel_offset,
  77                         {
  78                                 "Ranging Sub-Channel Offset", "wmx.cdma.ranging_subchannel_offset",
  79                                 FT_UINT8, BASE_HEX, NULL, 0x0,
  80                                 NULL, HFILL
  81                         }
  82                 }
  83         };
  84
  85         /* Setup protocol subtree array */
  86         static int *ett[] =
  87                 {
  88                         &ett_wimax_cdma_code_decoder,
  89                 };
  90
  91         proto_wimax_cdma_code_decoder = proto_register_protocol (
  92                 "WiMax CDMA Code Attribute",   /* name       */
  93                 "CDMA Code Attribute",   /* short name */
  94                 "wmx.cdma"        /* abbrev     */
  95                 );
  96
  97         /* register the field display messages */
  98         proto_register_field_array(proto_wimax_cdma_code_decoder, hf, array_length(hf));
  99         proto_register_subtree_array(ett, array_length(ett));
 100
 101         register_dissector("wimax_cdma_code_burst_handler", dissect_wimax_cdma_code_decoder, proto_wimax_cdma_code_decoder);
 102 }
 103
 104
 105 /*
 106  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
 107  *
 108  * Local variables:
 109  * c-basic-offset: 8
 110  * tab-width: 8
 111  * indent-tabs-mode: t
 112  * End:
 113  *
 114  * vi: set shiftwidth=8 tabstop=8 noexpandtab:
 115  * :indentSize=8:tabSize=8:noTabs=false:
 116  */