diff options
Diffstat (limited to 'plugins/epan/wimax/wimax_phy_attributes_decoder.c')
| -rw-r--r-- | plugins/epan/wimax/wimax_phy_attributes_decoder.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/plugins/epan/wimax/wimax_phy_attributes_decoder.c b/plugins/epan/wimax/wimax_phy_attributes_decoder.c new file mode 100644 index 0000000000..e1fa8d0bc4 --- /dev/null +++ b/plugins/epan/wimax/wimax_phy_attributes_decoder.c @@ -0,0 +1,190 @@ +/* wimax_phy_attributes_decoder.c + * WiMax PDU Burst Physical Attributes 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_phy_attributes_decoder = -1; +static gint ett_wimax_phy_attributes_decoder = -1; + +static const value_string vals_subchannel_types[] = +{ + { 0, "DL PUSC"}, + { 1, "DL FUSC"}, + {16, "UL PUSC"}, + {0, NULL} +}; + +static const value_string vals_modulation_rates[] = +{ + {0, "BPSK R=1/2"}, + {1, "QPSK R=1/2"}, + {2, "QPSK R=3/4"}, + {3, "16-QAM R=1/2"}, + {4, "16-QAM R=3/4"}, + {5, "64-QAM R=1/2"}, + {6, "64-QAM R=2/3"}, + {7, "64-QAM R=3/4"}, + {8, "64-QAM R=5/6"}, + {0, NULL} +}; + +static const value_string vals_encoding_types[] = +{ + {0, "Tail biting convolutional coding (CCTB)"}, + {1, "Convolutional turbo coding (CTC)"}, + {0, NULL} +}; + +static gint hf_phy_attributes_subchannelization_type = -1; +static gint hf_phy_attributes_permbase = -1; +static gint hf_phy_attributes_modulation_rate = -1; +static gint hf_phy_attributes_encoding_type = -1; +static gint hf_phy_attributes_num_repeat = -1; +static gint hf_phy_attributes_symbol_offset = -1; +static gint hf_phy_attributes_num_of_slots = -1; +static gint hf_phy_attributes_subchannel = -1; + + + +static int dissect_wimax_phy_attributes_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) +{ + guint offset = 0; + guint tvb_len; +/* guint num_of_slots;*/ + proto_item *phy_item = NULL; + proto_tree *phy_tree = NULL; + + /* update the info column */ + /*col_append_str(pinfo->cinfo, COL_INFO, "PDU Burst Physical Attributes:");*/ + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "PHY-attr"); + if (tree) + { /* we are being asked for details */ + /* get the tvb reported length */ + tvb_len = tvb_reported_length(tvb); + /* display PDU Burst Physical Attributes dissector info */ + phy_item = proto_tree_add_protocol_format(tree, proto_wimax_phy_attributes_decoder, tvb, offset, tvb_len, "PDU Burst Physical Attributes (%u bytes)", tvb_len); + /* add PDU Burst Physical Attributes subtree */ + phy_tree = proto_item_add_subtree(phy_item, ett_wimax_phy_attributes_decoder); + /* display the subchannelization type */ + proto_tree_add_item(phy_tree, hf_phy_attributes_subchannelization_type, tvb, offset++, 1, ENC_BIG_ENDIAN); + /* display the permbase */ + proto_tree_add_item(phy_tree, hf_phy_attributes_permbase, tvb, offset++, 1, ENC_BIG_ENDIAN); + /* display the modulation rate */ + proto_tree_add_item(phy_tree, hf_phy_attributes_modulation_rate, tvb, offset++, 1, ENC_BIG_ENDIAN); + /* display the encoding type */ + proto_tree_add_item(phy_tree, hf_phy_attributes_encoding_type, tvb, offset++, 1, ENC_BIG_ENDIAN); + /* display the numRepeat */ + proto_tree_add_item(phy_tree, hf_phy_attributes_num_repeat, tvb, offset++, 1, ENC_BIG_ENDIAN); + /* display the symbol offset */ + proto_tree_add_item(phy_tree, hf_phy_attributes_symbol_offset, tvb, offset++, 1, ENC_BIG_ENDIAN); + /* display the number of slots */ + proto_tree_add_item(phy_tree, hf_phy_attributes_num_of_slots, tvb, offset, 2, ENC_BIG_ENDIAN); + /* get the number of slots */ +/* num_of_slots = tvb_get_guint16(tvb, offset);*/ + /* move to next field */ + offset += 2; + /* display the physical subchannel list */ + while(offset < tvb_len) + { + proto_tree_add_item(phy_tree, hf_phy_attributes_subchannel, tvb, offset++, 1, ENC_BIG_ENDIAN); + } + } + return tvb_captured_length(tvb); +} + +/* Register Wimax PDU Burst Physical Attributes Protocol */ +void wimax_proto_register_wimax_phy_attributes(void) +{ + /* Physical Attributes display */ + static hf_register_info hf[] = + { + { + &hf_phy_attributes_subchannelization_type, + {"Subchannelization Type", "wmx.phy_attributes.subchannelization_type", FT_UINT8, BASE_DEC, VALS(vals_subchannel_types), 0x0, NULL, HFILL} + }, + { + &hf_phy_attributes_permbase, + {"Permbase", "wmx.phy_attributes.permbase", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL} + }, + { + &hf_phy_attributes_modulation_rate, + {"Modulation Rate", "wmx.phy_attributes.modulation_rate", FT_UINT8, BASE_DEC, VALS(vals_modulation_rates), 0x0, NULL, HFILL} + }, + { + &hf_phy_attributes_encoding_type, + {"Encoding Type", "wmx.phy_attributes.encoding_type", FT_UINT8, BASE_DEC, VALS(vals_encoding_types), 0x0, NULL, HFILL} + }, + { + &hf_phy_attributes_num_repeat, + {"numRepeat", "wmx.phy_attributes.num_repeat", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} + }, + { + &hf_phy_attributes_symbol_offset, + {"Symbol Offset", "wmx.phy_attributes.symbol_offset", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} + }, + { + &hf_phy_attributes_num_of_slots, + {"Number Of Slots", "wmx.phy_attributes.num_of_slots", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL} + }, + { + &hf_phy_attributes_subchannel, + {"Subchannel", "wmx.phy_attributes.subchannel", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL} + } + }; + + /* Setup protocol subtree array */ + static gint *ett[] = + { + &ett_wimax_phy_attributes_decoder + }; + + proto_wimax_phy_attributes_decoder = proto_wimax; + + register_dissector("wimax_phy_attributes_burst_handler", dissect_wimax_phy_attributes_decoder, -1); + + proto_register_field_array(proto_wimax_phy_attributes_decoder, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +/* + * 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: + */ |