![Bill Meier](/assets/img/avatar_default.png)
- Move proto_register...() to the end of the file as per convention; - Move ett[] to be local to proto_register...(); - "if (...==-1)" not req'd in proto_register...(); - #include <moduleinfo.h> not req'd; - Remove unneeded forward declarations. svn path=/trunk/; revision=29296
359 lines
12 KiB
C
359 lines
12 KiB
C
/* msg_aas_beam.c
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* WiMax MAC Management AAS-BEAM-SELECT/REQ/RSP Messages decoders
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*
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* Copyright (c) 2007 by Intel Corporation.
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*
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* Author: Lu Pan <lu.pan@intel.com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1999 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* Include files */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <glib.h>
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#include <epan/packet.h>
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#include "wimax_mac.h"
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#define OFDMA_AAS_FBCK_REQ_NUMBER_OF_FRAME_MASK 0xFE
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#define OFDMA_AAS_FBCK_REQ_DATA_TYPE_MASK 0x01
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#define OFDMA_AAS_FBCK_REQ_FB_REQ_COUNTER_MASK 0xE0
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#define OFDMA_AAS_FBCK_REQ_FB_REQ_RESOLUTION_MASK 0x18
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#define OFDMA_AAS_FBCK_REQ_FB_REQ_RESERVED_MASK 0x07
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#define OFDMA_AAS_FBCK_REQ_FB_RSP_RESERVED_MASK 0xC0
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#define OFDMA_AAS_FBCK_RSP_DATA_TYPE_MASK 0x20
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#define OFDMA_AAS_FBCK_REQ_FB_RSP_COUNTER_MASK 0x1C
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#define OFDMA_AAS_FBCK_REQ_FB_RSP_RESOLUTION_MASK 0x03
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gint proto_mac_mgmt_msg_aas_fbck_decoder = -1;
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static gint ett_mac_mgmt_msg_aas_fbck_req_decoder = -1;
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/* static gint ett_mac_mgmt_msg_aas_fbck_rsp_decoder = -1; */
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static const value_string vals_data_types[] =
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{
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{0, "measure on downlink preamble only"},
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{1, "measure on downlink data (for this SS) only"},
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{0, NULL}
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};
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static const value_string vals_resolutions_0[] =
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{
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{0, "32 subcarriers"},
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{1, "64 subcarriers"},
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{2, "128 subcarriers"},
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{3, "256 subcarriers"},
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{0, NULL}
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};
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static const value_string vals_resolutions_1[] =
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{
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{0, "1 subcarrier"},
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{1, "4 subcarriers"},
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{2, "8 subcarriers"},
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{3, "16 subcarriers"},
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{0, NULL}
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};
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/* fix fields */
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static int hf_aas_fbck_message_type = -1;
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static int hf_aas_fbck_unknown_type = -1;
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static int hf_aas_fbck_frame_number = -1;
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static int hf_aas_fbck_number_of_frames = -1;
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static int hf_aas_fbck_req_data_type = -1;
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static int hf_aas_fbck_rsp_data_type = -1;
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static int hf_aas_fbck_req_counter = -1;
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static int hf_aas_fbck_rsp_counter = -1;
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static int hf_aas_fbck_req_resolution_0 = -1;
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static int hf_aas_fbck_rsp_resolution_0 = -1;
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static int hf_aas_fbck_req_resolution_1 = -1;
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static int hf_aas_fbck_rsp_resolution_1 = -1;
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static int hf_aas_fbck_req_reserved = -1;
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static int hf_aas_fbck_rsp_reserved = -1;
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static int hf_aas_fbck_freq_value_re = -1;
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static int hf_aas_fbck_freq_value_im = -1;
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static int hf_aas_fbck_rssi_value = -1;
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static int hf_aas_fbck_cinr_value = -1;
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void dissect_mac_mgmt_msg_aas_fbck_req_decoder(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
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{
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guint offset = 0;
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guint tvb_len, payload_type, data_type;
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proto_item *aas_fbck_item = NULL;
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proto_tree *aas_fbck_tree = NULL;
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if(tree)
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{ /* we are being asked for details */
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/* get the message type */
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payload_type = tvb_get_guint8(tvb, offset);
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/* ensure the message type is AAS-FBCK-REQ */
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if(payload_type != MAC_MGMT_MSG_AAS_FBCK_REQ)
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return;
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/* Get the tvb reported length */
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tvb_len = tvb_reported_length(tvb);
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/* display MAC message type */
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aas_fbck_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_aas_fbck_decoder, tvb, offset, tvb_len, "AAS Channel Feedback Request (AAS-FBCK-REQ) (%u bytes)", tvb_len);
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/* add subtree */
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aas_fbck_tree = proto_item_add_subtree(aas_fbck_item, ett_mac_mgmt_msg_aas_fbck_req_decoder);
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/* Display the AAS-FBCK-REQ message type */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_message_type, tvb, offset, 1, FALSE);
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/* move to next field */
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offset++;
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/* Decode and display the AAS-FBCK-REQ message body */
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/* display the Frame Number */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_frame_number, tvb, offset, 1, FALSE);
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/* move to next field */
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offset++;
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/* get the data type */
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data_type = tvb_get_guint8(tvb, offset);
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/* display the number of Frames */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_number_of_frames, tvb, offset, 1, FALSE);
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/* display the Data Type */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_req_data_type, tvb, offset, 1, FALSE);
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/* move to next field */
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offset++;
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/* display the Feedback Request Counter */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_req_counter, tvb, offset, 1, FALSE);
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/* display the Frequency Measurement Resolution */
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if(data_type & OFDMA_AAS_FBCK_REQ_DATA_TYPE_MASK)
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_req_resolution_1, tvb, offset, 1, FALSE);
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else
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_req_resolution_0, tvb, offset, 1, FALSE);
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/* display the reserved fields */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_req_reserved, tvb, offset, 1, FALSE);
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}
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}
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void dissect_mac_mgmt_msg_aas_fbck_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
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{
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guint offset = 0;
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guint tvb_len, payload_type, data_type;
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proto_item *aas_fbck_item = NULL;
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proto_tree *aas_fbck_tree = NULL;
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if(tree)
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{ /* we are being asked for details */
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/* get the message type */
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payload_type = tvb_get_guint8(tvb, offset);
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/* ensure the message type is AAS-FBCK-RSP */
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if(payload_type != MAC_MGMT_MSG_AAS_FBCK_RSP)
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return;
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/* Get the tvb reported length */
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tvb_len = tvb_reported_length(tvb);
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/* display MAC message type */
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aas_fbck_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_aas_fbck_decoder, tvb, offset, tvb_len, "AAS Channel Feedback Response (AAS-FBCK-RSP) (%u bytes)", tvb_len);
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/* add subtree */
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aas_fbck_tree = proto_item_add_subtree(aas_fbck_item, ett_mac_mgmt_msg_aas_fbck_req_decoder);
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/* Display the AAS-FBCK-RSP message type */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_message_type, tvb, offset, 1, FALSE);
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/* move to next field */
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offset++;
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/* get the data type */
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data_type = tvb_get_guint8(tvb, offset);
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/* Decode and display the AAS-FBCK-RSP message body */
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/* display the reserved fields */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rsp_reserved, tvb, offset, 1, FALSE);
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/* display the Data Type */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rsp_data_type, tvb, offset, 1, FALSE);
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/* display the Feedback Request Counter */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rsp_counter, tvb, offset, 1, FALSE);
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/* display the Frequency Measurement Resolution */
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if(data_type & OFDMA_AAS_FBCK_RSP_DATA_TYPE_MASK)
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rsp_resolution_1, tvb, offset, 1, FALSE);
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else
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rsp_resolution_0, tvb, offset, 1, FALSE);
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/* move to next field */
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offset++;
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for(; offset < (tvb_len - 2); )
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{
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/* display the Frequency Value (real part) */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_freq_value_re, tvb, offset, 1, FALSE);
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/* move to next field */
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offset++;
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/* display the Frequency Value (imaginary part) */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_freq_value_im, tvb, offset, 1, FALSE);
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/* move to next field */
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offset++;
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}
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/* display the RSSI Mean Value */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rssi_value, tvb, offset, 1, FALSE);
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/* move to next field */
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offset++;
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/* display the CINR Mean Value */
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proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_cinr_value, tvb, offset, 1, FALSE);
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}
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}
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/* Register Wimax Mac Payload Protocol and Dissector */
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void proto_register_mac_mgmt_msg_aas_fbck(void)
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{
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/* AAS-FBCK display */
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static hf_register_info hf_aas_fbck[] =
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{
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{
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&hf_aas_fbck_message_type,
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{
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"MAC Management Message Type", "wmx.macmgtmsgtype.aas_fbck",
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FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_cinr_value,
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{
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"CINR Mean Value", "wmx.aas_fbck.cinr_mean_value",
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FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_req_counter,
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{
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"Feedback Request Counter", "wmx.aas_fbck.counter",
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FT_UINT8, BASE_DEC, NULL, OFDMA_AAS_FBCK_REQ_FB_REQ_COUNTER_MASK, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_frame_number,
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{
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"Frame Number", "wmx.aas_fbck.frame_number",
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FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_freq_value_re,
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{
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"Frequency Value (real part)", "wmx.aas_fbck.freq_value_re",
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FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_freq_value_im,
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{
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"Frequency Value (imaginary part)", "wmx.aas_fbck.freq_value_im",
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FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_number_of_frames,
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{
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"Number Of Frames", "wmx.aas_fbck.number_of_frames",
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FT_UINT8, BASE_DEC, NULL, OFDMA_AAS_FBCK_REQ_NUMBER_OF_FRAME_MASK, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_req_resolution_0,
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{
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"Frequency Measurement Resolution", "wmx.aas_fbck.resolution",
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FT_UINT8, BASE_DEC, VALS(vals_resolutions_0), OFDMA_AAS_FBCK_REQ_FB_REQ_RESOLUTION_MASK, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_req_resolution_1,
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{
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"Frequency Measurement Resolution", "wmx.aas_fbck.resolution",
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FT_UINT8, BASE_DEC, VALS(vals_resolutions_1), OFDMA_AAS_FBCK_REQ_FB_REQ_RESOLUTION_MASK, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_rssi_value,
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{
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"RSSI Mean Value", "wmx.aas_fbck.rssi_mean_value",
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FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_unknown_type,
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{
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"Unknown TLV type", "wmx.aas_fbck.unknown_type",
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FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_req_data_type,
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{
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"Measurement Data Type", "wmx.aas_fbck_req.data_type",
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FT_UINT8, BASE_DEC, VALS(vals_data_types), OFDMA_AAS_FBCK_REQ_DATA_TYPE_MASK, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_req_reserved,
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{
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"Reserved", "wmx.aas_fbck_req.reserved",
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FT_UINT8, BASE_HEX, NULL, OFDMA_AAS_FBCK_REQ_FB_REQ_RESERVED_MASK, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_rsp_counter,
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{
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"Feedback Request Counter", "wmx.aas_fbck_rsp.counter",
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FT_UINT8, BASE_DEC, NULL, OFDMA_AAS_FBCK_REQ_FB_RSP_COUNTER_MASK, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_rsp_data_type,
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{
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"Measurement Data Type", "wmx.aas_fbck_rsp.data_type",
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FT_UINT8, BASE_DEC, VALS(vals_data_types), OFDMA_AAS_FBCK_RSP_DATA_TYPE_MASK, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_rsp_reserved,
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{
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"Reserved", "wmx.aas_fbck_rsp.reserved",
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FT_UINT8, BASE_HEX, NULL, OFDMA_AAS_FBCK_REQ_FB_RSP_RESERVED_MASK, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_rsp_resolution_0,
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{
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"Frequency Measurement Resolution", "wmx.aas_fbck_rsp.resolution",
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FT_UINT8, BASE_DEC, VALS(vals_resolutions_0), OFDMA_AAS_FBCK_REQ_FB_RSP_RESOLUTION_MASK, NULL, HFILL
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}
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},
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{
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&hf_aas_fbck_rsp_resolution_1,
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{
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"Frequency Measurement Resolution", "wmx.aas_fbck_rsp.resolution",
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FT_UINT8, BASE_DEC, VALS(vals_resolutions_1), OFDMA_AAS_FBCK_REQ_FB_RSP_RESOLUTION_MASK, NULL, HFILL
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}
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}
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};
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/* Setup protocol subtree array */
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static gint *ett[] =
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{
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&ett_mac_mgmt_msg_aas_fbck_req_decoder,
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/* &ett_mac_mgmt_msg_aas_fbck_rsp_decoder, */
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};
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proto_mac_mgmt_msg_aas_fbck_decoder = proto_register_protocol (
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"WiMax AAS-FEEDBACK/BEAM Messages", /* name */
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"WiMax AAS-FEEDBACK/BEAM (aas)", /* short name */
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"wmx.aas" /* abbrev */
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);
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proto_register_field_array(proto_mac_mgmt_msg_aas_fbck_decoder, hf_aas_fbck, array_length(hf_aas_fbck));
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proto_register_subtree_array(ett, array_length(ett));
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}
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