/* msg_aas_beam.c * WiMax MAC Management AAS-BEAM-SELECT/REQ/RSP Messages decoders * * Copyright (c) 2007 by Intel Corporation. * * Author: Lu Pan * * Wireshark - Network traffic analyzer * By Gerald Combs * 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 #include "wimax_mac.h" #define OFDMA_AAS_FBCK_REQ_NUMBER_OF_FRAME_MASK 0xFE #define OFDMA_AAS_FBCK_REQ_DATA_TYPE_MASK 0x01 #define OFDMA_AAS_FBCK_REQ_FB_REQ_COUNTER_MASK 0xE0 #define OFDMA_AAS_FBCK_REQ_FB_REQ_RESOLUTION_MASK 0x18 #define OFDMA_AAS_FBCK_REQ_FB_REQ_RESERVED_MASK 0x07 #define OFDMA_AAS_FBCK_REQ_FB_RSP_RESERVED_MASK 0xC0 #define OFDMA_AAS_FBCK_RSP_DATA_TYPE_MASK 0x20 #define OFDMA_AAS_FBCK_REQ_FB_RSP_COUNTER_MASK 0x1C #define OFDMA_AAS_FBCK_REQ_FB_RSP_RESOLUTION_MASK 0x03 void proto_register_mac_mgmt_msg_aas_fbck(void); void proto_reg_handoff_mac_mgmt_msg_aas(void); static gint proto_mac_mgmt_msg_aas_fbck_decoder = -1; static gint ett_mac_mgmt_msg_aas_fbck_req_decoder = -1; static gint ett_mac_mgmt_msg_aas_fbck_rsp_decoder = -1; static const value_string vals_data_types[] = { {0, "measure on downlink preamble only"}, {1, "measure on downlink data (for this SS) only"}, {0, NULL} }; static const value_string vals_resolutions_0[] = { {0, "32 subcarriers"}, {1, "64 subcarriers"}, {2, "128 subcarriers"}, {3, "256 subcarriers"}, {0, NULL} }; static const value_string vals_resolutions_1[] = { {0, "1 subcarrier"}, {1, "4 subcarriers"}, {2, "8 subcarriers"}, {3, "16 subcarriers"}, {0, NULL} }; /* fix fields */ /* static int hf_aas_fbck_unknown_type = -1; */ static int hf_aas_fbck_frame_number = -1; static int hf_aas_fbck_number_of_frames = -1; static int hf_aas_fbck_req_data_type = -1; static int hf_aas_fbck_rsp_data_type = -1; static int hf_aas_fbck_req_counter = -1; static int hf_aas_fbck_rsp_counter = -1; static int hf_aas_fbck_req_resolution_0 = -1; static int hf_aas_fbck_rsp_resolution_0 = -1; static int hf_aas_fbck_req_resolution_1 = -1; static int hf_aas_fbck_rsp_resolution_1 = -1; static int hf_aas_fbck_req_reserved = -1; static int hf_aas_fbck_rsp_reserved = -1; static int hf_aas_fbck_freq_value_re = -1; static int hf_aas_fbck_freq_value_im = -1; static int hf_aas_fbck_rssi_value = -1; static int hf_aas_fbck_cinr_value = -1; static int dissect_mac_mgmt_msg_aas_fbck_req_decoder(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) { guint offset = 0; guint data_type; proto_item *aas_fbck_item; proto_tree *aas_fbck_tree; { /* we are being asked for details */ /* display MAC message type */ aas_fbck_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_aas_fbck_decoder, tvb, offset, -1, "AAS Channel Feedback Request (AAS-FBCK-REQ)"); /* add subtree */ aas_fbck_tree = proto_item_add_subtree(aas_fbck_item, ett_mac_mgmt_msg_aas_fbck_req_decoder); /* Display the AAS-FBCK-REQ message type */ /* Decode and display the AAS-FBCK-REQ message body */ /* display the Frame Number */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_frame_number, tvb, offset, 1, ENC_BIG_ENDIAN); /* move to next field */ offset++; /* get the data type */ data_type = tvb_get_guint8(tvb, offset); /* display the number of Frames */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_number_of_frames, tvb, offset, 1, ENC_BIG_ENDIAN); /* display the Data Type */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_req_data_type, tvb, offset, 1, ENC_BIG_ENDIAN); /* move to next field */ offset++; /* display the Feedback Request Counter */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_req_counter, tvb, offset, 1, ENC_BIG_ENDIAN); /* display the Frequency Measurement Resolution */ if(data_type & OFDMA_AAS_FBCK_REQ_DATA_TYPE_MASK) proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_req_resolution_1, tvb, offset, 1, ENC_BIG_ENDIAN); else proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_req_resolution_0, tvb, offset, 1, ENC_BIG_ENDIAN); /* display the reserved fields */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_req_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); } return tvb_captured_length(tvb); } static int dissect_mac_mgmt_msg_aas_fbck_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) { guint offset = 0; guint tvb_len, data_type; proto_item *aas_fbck_item; proto_tree *aas_fbck_tree; { /* we are being asked for details */ /* Get the tvb reported length */ tvb_len = tvb_reported_length(tvb); /* display MAC message type */ aas_fbck_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_aas_fbck_decoder, tvb, offset, -1, "AAS Channel Feedback Response (AAS-FBCK-RSP)"); /* add subtree */ aas_fbck_tree = proto_item_add_subtree(aas_fbck_item, ett_mac_mgmt_msg_aas_fbck_rsp_decoder); /* Display the AAS-FBCK-RSP message type */ /* get the data type */ data_type = tvb_get_guint8(tvb, offset); /* Decode and display the AAS-FBCK-RSP message body */ /* display the reserved fields */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rsp_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); /* display the Data Type */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rsp_data_type, tvb, offset, 1, ENC_BIG_ENDIAN); /* display the Feedback Request Counter */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rsp_counter, tvb, offset, 1, ENC_BIG_ENDIAN); /* display the Frequency Measurement Resolution */ if(data_type & OFDMA_AAS_FBCK_RSP_DATA_TYPE_MASK) proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rsp_resolution_1, tvb, offset, 1, ENC_BIG_ENDIAN); else proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rsp_resolution_0, tvb, offset, 1, ENC_BIG_ENDIAN); /* move to next field */ offset++; for(; offset < (tvb_len - 2); ) { /* display the Frequency Value (real part) */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_freq_value_re, tvb, offset, 1, ENC_BIG_ENDIAN); /* move to next field */ offset++; /* display the Frequency Value (imaginary part) */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_freq_value_im, tvb, offset, 1, ENC_BIG_ENDIAN); /* move to next field */ offset++; } /* display the RSSI Mean Value */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_rssi_value, tvb, offset, 1, ENC_BIG_ENDIAN); /* move to next field */ offset++; /* display the CINR Mean Value */ proto_tree_add_item(aas_fbck_tree, hf_aas_fbck_cinr_value, tvb, offset, 1, ENC_BIG_ENDIAN); } return tvb_captured_length(tvb); } /* Register Wimax Mac Payload Protocol and Dissector */ void proto_register_mac_mgmt_msg_aas_fbck(void) { /* AAS-FBCK display */ static hf_register_info hf_aas_fbck[] = { { &hf_aas_fbck_cinr_value, { "CINR Mean Value", "wmx.aas_fbck.cinr_mean_value", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_aas_fbck_req_counter, { "Feedback Request Counter", "wmx.aas_fbck.counter", FT_UINT8, BASE_DEC, NULL, OFDMA_AAS_FBCK_REQ_FB_REQ_COUNTER_MASK, NULL, HFILL } }, { &hf_aas_fbck_frame_number, { "Frame Number", "wmx.aas_fbck.frame_number", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_aas_fbck_freq_value_re, { "Frequency Value (real part)", "wmx.aas_fbck.freq_value_re", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_aas_fbck_freq_value_im, { "Frequency Value (imaginary part)", "wmx.aas_fbck.freq_value_im", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_aas_fbck_number_of_frames, { "Number Of Frames", "wmx.aas_fbck.number_of_frames", FT_UINT8, BASE_DEC, NULL, OFDMA_AAS_FBCK_REQ_NUMBER_OF_FRAME_MASK, NULL, HFILL } }, { &hf_aas_fbck_req_resolution_0, { "Frequency Measurement Resolution", "wmx.aas_fbck.resolution", FT_UINT8, BASE_DEC, VALS(vals_resolutions_0), OFDMA_AAS_FBCK_REQ_FB_REQ_RESOLUTION_MASK, NULL, HFILL } }, { &hf_aas_fbck_req_resolution_1, { "Frequency Measurement Resolution", "wmx.aas_fbck.resolution", FT_UINT8, BASE_DEC, VALS(vals_resolutions_1), OFDMA_AAS_FBCK_REQ_FB_REQ_RESOLUTION_MASK, NULL, HFILL } }, { &hf_aas_fbck_rssi_value, { "RSSI Mean Value", "wmx.aas_fbck.rssi_mean_value", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, #if 0 { &hf_aas_fbck_unknown_type, { "Unknown TLV type", "wmx.aas_fbck.unknown_type", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, #endif { &hf_aas_fbck_req_data_type, { "Measurement Data Type", "wmx.aas_fbck_req.data_type", FT_UINT8, BASE_DEC, VALS(vals_data_types), OFDMA_AAS_FBCK_REQ_DATA_TYPE_MASK, NULL, HFILL } }, { &hf_aas_fbck_req_reserved, { "Reserved", "wmx.aas_fbck_req.reserved", FT_UINT8, BASE_HEX, NULL, OFDMA_AAS_FBCK_REQ_FB_REQ_RESERVED_MASK, NULL, HFILL } }, { &hf_aas_fbck_rsp_counter, { "Feedback Request Counter", "wmx.aas_fbck_rsp.counter", FT_UINT8, BASE_DEC, NULL, OFDMA_AAS_FBCK_REQ_FB_RSP_COUNTER_MASK, NULL, HFILL } }, { &hf_aas_fbck_rsp_data_type, { "Measurement Data Type", "wmx.aas_fbck_rsp.data_type", FT_UINT8, BASE_DEC, VALS(vals_data_types), OFDMA_AAS_FBCK_RSP_DATA_TYPE_MASK, NULL, HFILL } }, { &hf_aas_fbck_rsp_reserved, { "Reserved", "wmx.aas_fbck_rsp.reserved", FT_UINT8, BASE_HEX, NULL, OFDMA_AAS_FBCK_REQ_FB_RSP_RESERVED_MASK, NULL, HFILL } }, { &hf_aas_fbck_rsp_resolution_0, { "Frequency Measurement Resolution", "wmx.aas_fbck_rsp.resolution", FT_UINT8, BASE_DEC, VALS(vals_resolutions_0), OFDMA_AAS_FBCK_REQ_FB_RSP_RESOLUTION_MASK, NULL, HFILL } }, { &hf_aas_fbck_rsp_resolution_1, { "Frequency Measurement Resolution", "wmx.aas_fbck_rsp.resolution", FT_UINT8, BASE_DEC, VALS(vals_resolutions_1), OFDMA_AAS_FBCK_REQ_FB_RSP_RESOLUTION_MASK, NULL, HFILL } } }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_mac_mgmt_msg_aas_fbck_req_decoder, &ett_mac_mgmt_msg_aas_fbck_rsp_decoder, }; proto_mac_mgmt_msg_aas_fbck_decoder = proto_register_protocol ( "WiMax AAS-FEEDBACK Messages", /* name */ "WiMax AAS-FEEDBACK (aas)", /* short name */ "wmx.aas" /* abbrev */ ); proto_register_field_array(proto_mac_mgmt_msg_aas_fbck_decoder, hf_aas_fbck, array_length(hf_aas_fbck)); proto_register_subtree_array(ett, array_length(ett)); } void proto_reg_handoff_mac_mgmt_msg_aas(void) { dissector_handle_t aas_handle; aas_handle = create_dissector_handle(dissect_mac_mgmt_msg_aas_fbck_req_decoder, proto_mac_mgmt_msg_aas_fbck_decoder); dissector_add_uint("wmx.mgmtmsg", MAC_MGMT_MSG_AAS_FBCK_REQ, aas_handle); aas_handle = create_dissector_handle(dissect_mac_mgmt_msg_aas_fbck_rsp_decoder, proto_mac_mgmt_msg_aas_fbck_decoder); dissector_add_uint("wmx.mgmtmsg", MAC_MGMT_MSG_AAS_FBCK_RSP, aas_handle); } /* * 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: */