diff options
author | Gerald Combs <gerald@wireshark.org> | 2007-05-25 23:40:42 +0000 |
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committer | Gerald Combs <gerald@wireshark.org> | 2007-05-25 23:40:42 +0000 |
commit | a491fec183044f6065b8d92a3775f5130049b636 (patch) | |
tree | 3f899da6a2bb6dead6dbfa2392764a88ac26faa6 /plugins/wimax/wimax_ffb_decoder.c | |
parent | 1e7c1bc0369f0c962ed73e8e34fa5ba7fa1a6c3d (diff) |
From Mike Harvey: Support for WiMAX and the WiMAX M2M encapsulation protocol.
Add support for WiMAX and M2M to various makefiles and installer files. Add
basic support for M2M to randpkt.
svn path=/trunk/; revision=21945
Diffstat (limited to 'plugins/wimax/wimax_ffb_decoder.c')
-rw-r--r-- | plugins/wimax/wimax_ffb_decoder.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/plugins/wimax/wimax_ffb_decoder.c b/plugins/wimax/wimax_ffb_decoder.c new file mode 100644 index 0000000000..66244460b6 --- /dev/null +++ b/plugins/wimax/wimax_ffb_decoder.c @@ -0,0 +1,137 @@ +/* wimax_ffb_decoder.c + * WiMax Fast Feedback packet 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 */ +static void dissect_wimax_ffb_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static gint proto_wimax_ffb_decoder = -1; +static gint ett_wimax_ffb_decoder = -1; + +/* Setup protocol subtree array */ +static gint *ett[] = +{ + &ett_wimax_ffb_decoder, +}; + +static gint hf_ffb_burst = -1; +static gint hf_ffb_num_of_ffbs = -1; +static gint hf_ffb_type = -1; +static gint hf_ffb_subchannel = -1; +static gint hf_ffb_symboloffset = -1; +static gint hf_ffb_value = -1; + +/* FFB display */ +static hf_register_info hf[] = +{ + { + &hf_ffb_burst, + {"Fast Feedback Burst", "wimax.ffb.burst", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL} + }, + { + &hf_ffb_num_of_ffbs, + {"Number Of Fast Feedback", "wimax.ffb.num_of_ffbs", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL} + }, + { + &hf_ffb_type, + {"Fast Feedback Type", "wimax.ffb.ffb_type", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL} + }, + { + &hf_ffb_subchannel, + {"Physical Subchannel", "wimax.ffb.subchannel", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL} + }, + { + &hf_ffb_symboloffset, + {"Symbol Offset", "wimax.ffb.symbol_offset", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL} + }, + { + &hf_ffb_value, + {"Fast Feedback Value", "wimax.ffb.ffb_value", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL} + } +}; + +/* Register Wimax FFB Protocol */ +void proto_register_wimax_ffb(void) +{ + if (proto_wimax_ffb_decoder == -1) + { + proto_wimax_ffb_decoder = proto_wimax; + + /* register the field display messages */ + proto_register_field_array(proto_wimax_ffb_decoder, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + } + register_dissector("wimax_ffb_burst_handler", dissect_wimax_ffb_decoder, -1); +} + +static void dissect_wimax_ffb_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + gint offset = 0; + guint length, num_of_ffbs, i; + proto_item *ffb_item = NULL; + proto_tree *ffb_tree = NULL; + + /* update the info column */ + if (check_col(pinfo->cinfo, COL_INFO)) + { + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "Fast Feedback Burst:"); + } + if (tree) + { /* we are being asked for details */ + /* get the tvb length */ + length = tvb_length(tvb); + /* display Fast Feedback Burst dissector info */ + ffb_item = proto_tree_add_protocol_format(tree, proto_wimax_ffb_decoder, tvb, offset, length, "Fast Feedback Burst (%u bytes)", length); + /* add Fast Feedback Burst subtree */ + ffb_tree = proto_item_add_subtree(ffb_item, ett_wimax_ffb_decoder); + /* get the number of FFBs */ + num_of_ffbs = tvb_get_guint8(tvb, offset); + /* display the number of FFBs */ + proto_tree_add_item(ffb_tree, hf_ffb_num_of_ffbs, tvb, offset++, 1, FALSE); + /* display the FFB type */ + proto_tree_add_item(ffb_tree, hf_ffb_type, tvb, offset++, 1, FALSE); + /* display the FFBs */ + for(i = 0; i < num_of_ffbs; i++) + { + proto_tree_add_item(ffb_tree, hf_ffb_subchannel, tvb, offset++, 1, FALSE); + proto_tree_add_item(ffb_tree, hf_ffb_symboloffset, tvb, offset++, 1, FALSE); + proto_tree_add_item(ffb_tree, hf_ffb_value, tvb, offset++, 1, FALSE); + } + } +} |