diff options
Diffstat (limited to 'plugins/epan/wimax/wimax_ffb_decoder.c')
| -rw-r--r-- | plugins/epan/wimax/wimax_ffb_decoder.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/plugins/epan/wimax/wimax_ffb_decoder.c b/plugins/epan/wimax/wimax_ffb_decoder.c new file mode 100644 index 0000000000..4e1ea997c9 --- /dev/null +++ b/plugins/epan/wimax/wimax_ffb_decoder.c @@ -0,0 +1,141 @@ +/* wimax_ffb_decoder.c + * WiMax Fast Feedback packet decoder + * + * Copyright (c) 2007 by Intel Corporation. + * + * Author: Lu Pan <lu.pan@intel.com> + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* Include files */ + +#include "config.h" + +#include <epan/packet.h> +#include "wimax-int.h" + +extern gint proto_wimax; + +static gint proto_wimax_ffb_decoder = -1; +static gint ett_wimax_ffb_decoder = -1; + +/* 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; + + +static int dissect_wimax_ffb_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) +{ + gint offset = 0; + guint length, num_of_ffbs, i; + proto_item *ffb_item = NULL; + proto_tree *ffb_tree = NULL; + + /* update the info column */ + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "Fast Feedback Burst:"); + if (tree) + { /* we are being asked for details */ + /* get the tvb reported length */ + length = tvb_reported_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, ENC_BIG_ENDIAN); + /* display the FFB type */ + proto_tree_add_item(ffb_tree, hf_ffb_type, tvb, offset++, 1, ENC_BIG_ENDIAN); + /* display the FFBs */ + for(i = 0; i < num_of_ffbs; i++) + { + proto_tree_add_item(ffb_tree, hf_ffb_subchannel, tvb, offset++, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(ffb_tree, hf_ffb_symboloffset, tvb, offset++, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(ffb_tree, hf_ffb_value, tvb, offset++, 1, ENC_BIG_ENDIAN); + } + } + return tvb_captured_length(tvb); +} + +/* Register Wimax FFB Protocol */ +void wimax_proto_register_wimax_ffb(void) +{ + /* FFB display */ + static hf_register_info hf[] = + { +#if 0 + { + &hf_ffb_burst, + {"Fast Feedback Burst", "wmx.ffb.burst", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} + }, +#endif + { + &hf_ffb_num_of_ffbs, + {"Number Of Fast Feedback", "wmx.ffb.num_of_ffbs", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} + }, + { + &hf_ffb_type, + {"Fast Feedback Type", "wmx.ffb.ffb_type", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL} + }, + { + &hf_ffb_subchannel, + {"Physical Subchannel", "wmx.ffb.subchannel", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} + }, + { + &hf_ffb_symboloffset, + {"Symbol Offset", "wmx.ffb.symbol_offset", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} + }, + { + &hf_ffb_value, + {"Fast Feedback Value", "wmx.ffb.ffb_value", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL} + } + }; + + /* Setup protocol subtree array */ + static gint *ett[] = + { + &ett_wimax_ffb_decoder, + }; + + 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); +} + +/* + * Editor modelines - http://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 8 + * tab-width: 8 + * indent-tabs-mode: t + * End: + * + * vi: set shiftwidth=8 tabstop=8 noexpandtab: + * :indentSize=8:tabSize=8:noTabs=false: + */ |