diff options
Diffstat (limited to 'plugins/wimax/wimax_cdma_code_decoder.c')
| -rw-r--r-- | plugins/wimax/wimax_cdma_code_decoder.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/plugins/wimax/wimax_cdma_code_decoder.c b/plugins/wimax/wimax_cdma_code_decoder.c new file mode 100644 index 0000000000..6f49bb6688 --- /dev/null +++ b/plugins/wimax/wimax_cdma_code_decoder.c @@ -0,0 +1,128 @@ +/* wimax_cdma_code_decoder.c + * WiMax CDMA CODE Attribute decoder + * + * Copyright (c) 2007 by Intel Corporation. + * + * Author: Lu Pan <lu.pan@intel.com> + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1999 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* Include files */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gmodule.h> +#include <epan/packet.h> +#include <epan/prefs.h> + +extern gint proto_wimax; + +/* forward reference */ +void proto_register_wimax_cdma(void); +static void dissect_wimax_cdma_code_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static int proto_wimax_cdma_code_decoder = -1; +static gint ett_wimax_cdma_code_decoder = -1; + +static int hf_wimax_ranging_code = -1; +static int hf_wimax_ranging_symbol_offset = -1; +static int hf_wimax_ranging_subchannel_offset = -1; + +/* TLV display */ +static hf_register_info hf[] = +{ + { + &hf_wimax_ranging_code, + { + "Ranging Code", "wimax.cdma.ranging_code", + FT_UINT8, BASE_HEX, NULL, 0x0, + "", HFILL + } + }, + { + &hf_wimax_ranging_symbol_offset, + { + "Ranging Symbol Offset", "wimax.cdma.ranging_symbol_offset", + FT_UINT8, BASE_HEX, NULL, 0x0, + "", HFILL + } + }, + { + &hf_wimax_ranging_subchannel_offset, + { + "Ranging Sub-Channel Offset", "wimax.cdma.ranging_subchannel_offset", + FT_UINT8, BASE_HEX, NULL, 0x0, + "", HFILL + } + } +}; + +/* Setup protocol subtree array */ +static gint *ett[] = +{ + &ett_wimax_cdma_code_decoder, +}; + +/* Register Wimax CDMA Protocol */ +void proto_register_wimax_cdma(void) +{ + if (proto_wimax_cdma_code_decoder == -1) + { + proto_wimax_cdma_code_decoder = proto_wimax; + + /* register the field display messages */ + proto_register_field_array(proto_wimax_cdma_code_decoder, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + } + register_dissector("wimax_cdma_code_burst_handler", dissect_wimax_cdma_code_decoder, -1); +} + +static void dissect_wimax_cdma_code_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + gint offset = 0; + guint length; + proto_item *cdma_item = NULL; + proto_tree *cdma_tree = NULL; + + /* update the info column */ + if (check_col(pinfo->cinfo, COL_INFO)) + { + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "CDMA Code Attribute"); + } + if (tree) + { /* we are being asked for details */ + /* get the tvb length */ + length = tvb_length(tvb); + /* display CDMA dissector info */ + cdma_item = proto_tree_add_protocol_format(tree, proto_wimax_cdma_code_decoder, tvb, offset, length, "CDMA Code Attribute (%u bytes)", length); + /* add CDMA Code subtree */ + cdma_tree = proto_item_add_subtree(cdma_item, ett_wimax_cdma_code_decoder); + /* display the first CDMA Code */ + proto_tree_add_item(cdma_tree, hf_wimax_ranging_code, tvb, offset, 1, FALSE); + /* display the 2nd CDMA Code */ + proto_tree_add_item(cdma_tree, hf_wimax_ranging_symbol_offset, tvb, offset+1, 1, FALSE); + /* display the 3rd CDMA Code */ + proto_tree_add_item(cdma_tree, hf_wimax_ranging_subchannel_offset, tvb, offset+2, 1, FALSE); + } +} |