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wireshark/plugins/wimax/msg_rng_req.c

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/* msg_rng_req.c
* WiMax MAC Management RNG-REQ Message decoder
*
* Copyright (c) 2007 by Intel Corporation.
*
* Author: John R. Underwood <junderx@yahoo.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 "moduleinfo.h"
#include <glib.h>
#include <epan/packet.h>
#include <epan/prefs.h>
#include "crc.h"
#include "wimax_tlv.h"
#include "wimax_mac.h"
#include "wimax_utils.h"
extern gint proto_wimax;
extern gboolean include_cor2_changes;
extern gint man_ofdma;
/* Forward reference */
void dissect_mac_mgmt_msg_rng_req_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
gint proto_mac_mgmt_msg_rng_req_decoder = -1;
static gint ett_mac_mgmt_msg_rng_req_decoder = -1;
/* Setup protocol subtree array */
static gint *ett[] =
{
&ett_mac_mgmt_msg_rng_req_decoder,
};
/* RNG-REQ fields */
static gint hf_rng_req_message_type = -1;
static gint hf_rng_req_reserved = -1;
static gint hf_rng_req_dl_burst_profile_diuc = -1;
static gint hf_rng_req_dl_burst_profile_lsb_ccc = -1;
static gint hf_rng_req_ss_mac_address = -1;
static gint hf_rng_req_ranging_anomalies_max_power = -1;
static gint hf_rng_req_ranging_anomalies_min_power = -1;
static gint hf_rng_req_ranging_anomalies_timing_adj = -1;
static gint hf_rng_req_aas_broadcast = -1;
static gint hf_rng_req_serving_bs_id = -1;
static gint hf_rng_req_ranging_purpose_ho_indication = -1;
static gint hf_rng_req_ranging_purpose_location_update_request = -1;
static gint hf_rng_req_ranging_purpose_reserved = -1;
static gint hf_rng_req_ho_id = -1;
static gint hf_rng_req_power_down_indicator = -1;
static gint hf_rng_req_repetition_coding_level = -1;
static gint hf_rng_req_requested_downlink_repetition_coding_level_reserved = -1;
static gint hf_rng_req_cmac_key_count = -1;
static gint hf_rng_definition_of_power_saving_class_present = -1;
static gint hf_rng_activation_of_power_saving_class = -1;
static gint hf_rng_trf_ind_required = -1;
static gint hf_rng_power_saving_class_reserved = -1;
static gint hf_rng_power_saving_class_id = -1;
static gint hf_rng_power_saving_class_type = -1;
static gint hf_rng_power_saving_first_sleep_window_frame = -1;
static gint hf_rng_power_saving_initial_sleep_window = -1;
static gint hf_rng_power_saving_listening_window = -1;
static gint hf_rng_power_saving_final_sleep_window_base = -1;
static gint hf_rng_power_saving_final_sleep_window_exp = -1;
static gint hf_rng_power_saving_slpid = -1;
static gint hf_rng_power_saving_included_cid = -1;
static gint hf_rng_power_saving_mgmt_connection_direction = -1;
static gint hf_tlv_type = -1;
static gint hf_rng_invalid_tlv = -1;
/* STRING RESOURCES */
static const true_false_string tfs_rng_req_aas_broadcast = {
"SS cannot receive broadcast messages",
"SS can receive broadcast messages"
};
static const value_string vals_rng_req_ranging_purpose_location_update_request[] = {
{1, "MS action of Idle Mode Location Update Process"},
{0, NULL}
};
static const value_string vals_rng_req_repetition_coding_level[] = {
{0, "No repetition"},
{1, "Repetition coding of 2"},
{2, "Repetition coding of 4"},
{3, "Repetition coding of 6"},
{0, NULL}
};
static const true_false_string tfs_rng_activate = {
"Activate",
"Deactivate"
};
static const true_false_string tfs_rng_max_power = {
"SS is already at maximum power",
"SS is not at maximum power"
};
static const true_false_string tfs_rng_min_power = {
"SS is already at minimum power",
"SS is not at minimum power"
};
static const true_false_string tfs_rng_timing_adj = {
"Sum of commanded timing adjustments is too large",
"Sum of commanded timing adjustments is within bounds"
};
/* RNG-REQ fields display */
static hf_register_info hf[] =
{
{
&hf_rng_activation_of_power_saving_class,
{
"Activation of Power Saving Class (Types 1 and 2 only)", "wmx.rng.power_save.activate",
FT_BOOLEAN, 8, TFS(&tfs_rng_activate), 0x02, "", HFILL
}
},
{
&hf_rng_power_saving_class_id,
{
"Power Saving Class ID", "wmx.rng.power_save.class_id",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_power_saving_class_type,
{
"Power Saving Class Type", "wmx.rng.power_save.class_type",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_definition_of_power_saving_class_present,
{
"Definition of Power Saving Class present", "wmx.rng.power_save.definition_present",
FT_UINT8, BASE_DEC, NULL, 0x01, "", HFILL
}
},
{
&hf_rng_power_saving_final_sleep_window_base,
{
"Final-sleep window base (measured in frames)", "wmx.rng.power_save.final_sleep_window_base",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_power_saving_final_sleep_window_exp,
{
"Final-sleep window exponent (measured in frames)", "wmx.rng.power_save.final_sleep_window_exp",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_power_saving_first_sleep_window_frame,
{
"Start frame number for first sleep window", "wmx.rng.power_save.first_sleep_window_frame",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_power_saving_included_cid,
{
"CID of connection to be included into the Power Saving Class.", "wmx.rng.power_save.included_cid",
FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_power_saving_initial_sleep_window,
{
"Initial-sleep window", "wmx.rng.power_save.initial_sleep_window",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_power_saving_listening_window,
{
"Listening window duration (measured in frames)", "wmx.rng.power_save.listening_window",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_power_saving_mgmt_connection_direction,
{
"Direction for management connection added to Power Saving Class", "wmx.rng.power_save.mgmt_connection_direction",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_power_saving_class_reserved,
{
"Reserved", "wmx.rng.power_save.reserved",
FT_UINT8, BASE_DEC, NULL, 0xF8, "", HFILL
}
},
{
&hf_rng_power_saving_slpid,
{
"SLPID assigned by the BS whenever an MS is instructed to enter sleep mode", "wmx.rng.power_save.slpid",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_trf_ind_required,
{
"BS shall transmit at least one TRF-IND message during each listening window of the Power Saving Class", "wmx.rng.power_save.trf_ind_required",
FT_BOOLEAN, 8, TFS(&tfs_rng_activate), 0x04, "", HFILL
}
},
{
&hf_rng_req_message_type,
{
"MAC Management Message Type", "wmx.macmgtmsgtype.rng_req",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_req_aas_broadcast,
{
"AAS broadcast capability", "wmx.rng_req.aas_broadcast",
FT_BOOLEAN, 8, TFS(&tfs_rng_req_aas_broadcast), 0x00, "", HFILL
}
},
{
&hf_rng_req_ranging_anomalies_max_power,
{
"Meaning", "wmx.rng_req.anomalies.max_power",
FT_BOOLEAN, 8, TFS(&tfs_rng_max_power), 0x04, "", HFILL
}
},
{
&hf_rng_req_ranging_anomalies_min_power,
{
"Meaning", "wmx.rng_req.anomalies.min_power",
FT_BOOLEAN, 8, TFS(&tfs_rng_min_power), 0x02, "", HFILL
}
},
{
&hf_rng_req_ranging_anomalies_timing_adj,
{
"Meaning", "wmx.rng_req.anomalies.timing_adj",
FT_BOOLEAN, 8, TFS(&tfs_rng_timing_adj), 0x01, "", HFILL
}
},
{
&hf_rng_req_cmac_key_count,
{
"CMAC Key Count", "wmx.rng_req.cmac_key_count",
FT_UINT16, BASE_DEC, NULL, 0x00, "", HFILL
}
},
{
&hf_rng_req_dl_burst_profile_lsb_ccc,
{
"LSB of CCC of DCD associated with DIUC", "wmx.rng_req.dl_burst_profile.ccc",
FT_UINT8, BASE_DEC, NULL, 0xF0, "", HFILL
}
},
{
&hf_rng_req_dl_burst_profile_diuc,
{
"DIUC", "wmx.rng_req.dl_burst_profile.diuc",
FT_UINT8, BASE_DEC, NULL, 0x0F, "", HFILL
}
},
{
&hf_tlv_type,
{
"Unknown TLV Type", "wmx.rng_req.unknown_tlv_type",
FT_BYTES, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_rng_invalid_tlv,
{
"Invalid TLV", "wmx.rng_req.invalid_tlv",
FT_BYTES, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_rng_req_ho_id,
{
"ID from the target BS for use in initial ranging during MS handover to it", "wmx.rng_req.ho_id",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_req_power_down_indicator,
{
"Power down Indicator", "wmx.rng_req.power_down_indicator",
FT_UINT8, BASE_DEC, NULL, 0x00, "", HFILL
}
},
{
&hf_rng_req_ranging_purpose_ho_indication,
{
"MS HO indication", "wmx.rng_req.ranging_purpose.ho_indication",
FT_UINT8, BASE_DEC, NULL, 0x01, "", HFILL
}
},
{
&hf_rng_req_ranging_purpose_reserved,
{
"Reserved", "wmx.rng_req.ranging_purpose.reserved",
FT_UINT8, BASE_DEC, NULL, 0xFC, "", HFILL
}
},
{
&hf_rng_req_ranging_purpose_location_update_request,
{
"Location Update Request", "wmx.rng_req.ranging_purpose.loc_update_req",
FT_UINT8, BASE_DEC, VALS(vals_rng_req_ranging_purpose_location_update_request), 0x02, "", HFILL
}
},
{
&hf_rng_req_repetition_coding_level,
{
"Repetition coding level", "wmx.rng_req.repetition_coding_level",
FT_UINT8, BASE_DEC, VALS(vals_rng_req_repetition_coding_level), 0x03, "", HFILL
}
},
{
&hf_rng_req_requested_downlink_repetition_coding_level_reserved,
{
"Reserved", "wmx.rng_req.reserved",
FT_UINT8, BASE_DEC, NULL, 0xFC, "", HFILL
}
},
{
&hf_rng_req_reserved,
{
"Reserved", "wmx.rng_req.reserved",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_rng_req_serving_bs_id,
{
"Former serving BS ID", "wmx.rng_req.serving_bs_id",
FT_ETHER, BASE_HEX, NULL, 0x00, "", HFILL
}
},
{
&hf_rng_req_ss_mac_address,
{
"SS MAC Address", "wmx.rng_req.ss_mac_address",
FT_ETHER, BASE_HEX, NULL, 0x00, "", HFILL
}
}
};
/* Decode RNG Power Saving Class parameters (Sub TLV's). */
void dissect_power_saving_class(proto_tree *rng_req_tree, gint tlv_type, tvbuff_t *tvb, guint compound_tlv_len, packet_info *pinfo, guint offset)
{
proto_item *tlv_item = NULL;
proto_tree *tlv_tree = NULL;
proto_tree *power_saving_class_tree = NULL;
guint tlv_len;
guint tlv_offset;
tlv_info_t tlv_info;
/* Add a subtree for the power saving class parameters */
tlv_item = proto_tree_add_protocol_format(rng_req_tree, proto_mac_mgmt_msg_rng_req_decoder, tvb, offset, compound_tlv_len, "Power saving class parameters (%u bytes)", compound_tlv_len);
power_saving_class_tree = proto_item_add_subtree(tlv_item, ett_mac_mgmt_msg_rng_req_decoder);
/* Update the compound_tlv_len to include the offset */
compound_tlv_len += offset;
while(offset < compound_tlv_len)
{
/* Get the TLV data. */
init_tlv_info(&tlv_info, tvb, offset);
/* get the TLV type */
tlv_type = get_tlv_type(&tlv_info);
/* get the TLV length */
tlv_len = get_tlv_length(&tlv_info);
if(tlv_type == -1 || tlv_len > MAX_TLV_LEN || tlv_len < 1)
{ /* invalid tlv info */
if(pinfo->cinfo)
{
col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "RNG-REQ TLV error");
}
proto_tree_add_item(power_saving_class_tree, hf_rng_invalid_tlv, tvb, offset, (compound_tlv_len - offset), FALSE);
break;
}
/* get the offset to the TLV data */
tlv_offset = offset + get_tlv_value_offset(&tlv_info);
switch (tlv_type) {
case RNG_POWER_SAVING_CLASS_FLAGS:
/* display Power Saving Class Flags */
/* add subtree */
tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, proto_mac_mgmt_msg_rng_req_decoder, tvb, tlv_offset, tlv_len, "Power Saving Class (%u byte)", tlv_len);
proto_tree_add_item(tlv_tree, hf_rng_definition_of_power_saving_class_present, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_activation_of_power_saving_class, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_trf_ind_required, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_power_saving_class_reserved, tvb, tlv_offset, 1, FALSE);
break;
case RNG_POWER_SAVING_CLASS_ID:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, hf_rng_power_saving_class_id, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_power_saving_class_id, tvb, tlv_offset, 1, FALSE);
break;
case RNG_POWER_SAVING_CLASS_TYPE:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, hf_rng_power_saving_class_type, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_power_saving_class_type, tvb, tlv_offset, 1, FALSE);
break;
case RNG_START_FRAME_NUMBER:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, hf_rng_power_saving_first_sleep_window_frame, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_power_saving_first_sleep_window_frame, tvb, tlv_offset, 1, FALSE);
break;
case RNG_INITIAL_SLEEP_WINDOW:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, hf_rng_power_saving_initial_sleep_window, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_power_saving_initial_sleep_window, tvb, tlv_offset, 1, FALSE);
break;
case RNG_LISTENING_WINDOW:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, hf_rng_power_saving_listening_window, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_power_saving_listening_window, tvb, tlv_offset, 1, FALSE);
break;
case RNG_FINAL_SLEEP_WINDOW_BASE:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, hf_rng_power_saving_final_sleep_window_base, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_power_saving_final_sleep_window_base, tvb, tlv_offset, 1, FALSE);
break;
case RNG_FINAL_SLEEP_WINDOW_EXPONENT:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, hf_rng_power_saving_final_sleep_window_exp, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_power_saving_final_sleep_window_exp, tvb, tlv_offset, 1, FALSE);
break;
case RNG_SLPID:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, hf_rng_power_saving_slpid, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_power_saving_slpid, tvb, tlv_offset, 1, FALSE);
break;
case RNG_CID:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, hf_rng_power_saving_included_cid, tvb, tlv_offset, 2, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_power_saving_included_cid, tvb, tlv_offset, 2, FALSE);
break;
case RNG_DIRECTION:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, hf_rng_power_saving_mgmt_connection_direction, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_power_saving_mgmt_connection_direction, tvb, tlv_offset, 1, FALSE);
break;
default:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, power_saving_class_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE);
proto_tree_add_item(tlv_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE);
break;
}
/* update the offset */
offset = tlv_len + tlv_offset;
} /* end of TLV process while loop */
}
/* Register Wimax Mac Payload Protocol and Dissector */
void proto_register_mac_mgmt_msg_rng_req(void)
{
if (proto_mac_mgmt_msg_rng_req_decoder == -1)
{
proto_mac_mgmt_msg_rng_req_decoder = proto_register_protocol (
"WiMax RNG-REQ/RSP Messages", /* name */
"WiMax RNG-REQ/RSP (rng)", /* short name */
"wmx.rng" /* abbrev */
);
proto_register_field_array(proto_mac_mgmt_msg_rng_req_decoder, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
}
/* Decode RNG-REQ messages. */
void dissect_mac_mgmt_msg_rng_req_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
guint offset = 0;
guint tlv_offset;
guint tvb_len, payload_type;
proto_item *rng_req_item = NULL;
proto_tree *rng_req_tree = NULL;
proto_tree *tlv_tree = NULL;
tlv_info_t tlv_info;
gint tlv_type;
gint tlv_len;
/* Ensure the right payload type */
payload_type = tvb_get_guint8(tvb, offset);
if(payload_type != MAC_MGMT_MSG_RNG_REQ)
{
return;
}
if (tree)
{ /* we are being asked for details */
/* Get the tvb reported length */
tvb_len = tvb_reported_length(tvb);
/* display MAC payload type RNG-REQ */
rng_req_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_rng_req_decoder, tvb, offset, tvb_len, "MAC Management Message, RNG-REQ (4)");
/* add MAC RNG-REQ subtree */
rng_req_tree = proto_item_add_subtree(rng_req_item, ett_mac_mgmt_msg_rng_req_decoder);
/* display the Message Type */
proto_tree_add_item(rng_req_tree, hf_rng_req_message_type, tvb, offset, 1, FALSE);
proto_tree_add_item(rng_req_tree, hf_rng_req_reserved, tvb, 1, 1, FALSE);
offset += 2;
while(offset < tvb_len)
{
/* Get the TLV data. */
init_tlv_info(&tlv_info, tvb, offset);
/* get the TLV type */
tlv_type = get_tlv_type(&tlv_info);
/* get the TLV length */
tlv_len = get_tlv_length(&tlv_info);
if(tlv_type == -1 || tlv_len > MAX_TLV_LEN || tlv_len < 1)
{ /* invalid tlv info */
if(pinfo->cinfo)
{
col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "RNG-REQ TLV error");
}
proto_tree_add_item(rng_req_tree, hf_rng_invalid_tlv, tvb, offset, (tvb_len - offset), FALSE);
break;
}
/* get the offset to the TLV data */
tlv_offset = offset + get_tlv_value_offset(&tlv_info);
switch (tlv_type) {
case RNG_REQ_DL_BURST_PROFILE:
/* add TLV subtree */
tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, proto_mac_mgmt_msg_rng_req_decoder, tvb, tlv_offset, tlv_len, "Requested Downlink Burst Profile 0x%02x", tvb_get_guint8(tvb, tlv_offset));
proto_tree_add_item(tlv_tree, hf_rng_req_dl_burst_profile_diuc, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_dl_burst_profile_lsb_ccc, tvb, tlv_offset, 1, FALSE);
break;
case RNG_REQ_SS_MAC_ADDRESS:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, hf_rng_req_ss_mac_address, tvb, tlv_offset, 6, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_ss_mac_address, tvb, tlv_offset, 6, FALSE);
break;
case RNG_REQ_RANGING_ANOMALIES:
/* add TLV subtree */
tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, proto_mac_mgmt_msg_rng_req_decoder, tvb, tlv_offset, tlv_len, "Ranging Anomalies %d", tvb_get_guint8(tvb, tlv_offset));
proto_tree_add_item(tlv_tree, hf_rng_req_ranging_anomalies_max_power, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_ranging_anomalies_min_power, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_ranging_anomalies_timing_adj, tvb, tlv_offset, 1, FALSE);
break;
case RNG_REQ_AAS_BROADCAST:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, hf_rng_req_aas_broadcast, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_aas_broadcast, tvb, tlv_offset, 1, FALSE);
break;
case RNG_REQ_SERVING_BS_ID:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, hf_rng_req_serving_bs_id, tvb, tlv_offset, 6, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_serving_bs_id, tvb, tlv_offset, 6, FALSE);
break;
case RNG_REQ_RANGING_PURPOSE_INDICATION:
/* display the Ranging Purpose Flags */
/* add subtree */
tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, proto_mac_mgmt_msg_rng_req_decoder, tvb, tlv_offset, tlv_len, "Ranging Purpose Flags (%u byte(s))", tlv_len);
proto_tree_add_item(tlv_tree, hf_rng_req_ranging_purpose_ho_indication, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_ranging_purpose_location_update_request, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_ranging_purpose_reserved, tvb, tlv_offset, 1, FALSE);
break;
case RNG_REQ_HO_ID:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, hf_rng_req_ho_id, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_ho_id, tvb, tlv_offset, 1, FALSE);
break;
case RNG_REQ_POWER_DOWN_INDICATOR:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, hf_rng_req_power_down_indicator, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_power_down_indicator, tvb, tlv_offset, 1, FALSE);
break;
case RNG_REQ_REQUESTED_DNLK_REP_CODING_LEVEL:
/* add subtree */
tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, proto_mac_mgmt_msg_rng_req_decoder, tvb, tlv_offset, tlv_len, "Requested downlink repetition coding level (%u byte(s))", tlv_len);
proto_tree_add_item(tlv_tree, hf_rng_req_repetition_coding_level, tvb, tlv_offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_requested_downlink_repetition_coding_level_reserved, tvb, tlv_offset, 1, FALSE);
break;
case RNG_REQ_CMAC_KEY_COUNT:
if (include_cor2_changes) {
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, hf_rng_req_cmac_key_count, tvb, tlv_offset, tlv_len, FALSE);
proto_tree_add_item(tlv_tree, hf_rng_req_cmac_key_count, tvb, tlv_offset, 2, FALSE);
} else {
/* Unknown TLV type */
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE);
proto_tree_add_item(tlv_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE);
}
break;
case SHORT_HMAC_TUPLE:
case SHORT_HMAC_TUPLE_COR2:
if ((!include_cor2_changes && (tlv_type == SHORT_HMAC_TUPLE)) ||
(include_cor2_changes && (tlv_type == SHORT_HMAC_TUPLE_COR2))) {
/* decode and display the Short HMAC Tuple */
tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, proto_mac_mgmt_msg_rng_req_decoder, tvb, tlv_offset, tlv_len, "Short HMAC Tuple (%u byte(s))", tlv_len);
wimax_short_hmac_tuple_decoder(tlv_tree, tvb, tlv_offset, tvb_len - offset);
} else {
/* Unknown TLV Type */
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE);
proto_tree_add_item(tlv_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE);
}
break;
case MAC_VERSION_ENCODING:
offset += wimax_common_tlv_encoding_decoder(tvb_new_subset(tvb, offset, (tvb_len - offset), (tvb_len - offset)), pinfo, rng_req_tree);
continue;
break;
case RNG_REQ_POWER_SAVING_CLASS_PARAMETERS:
tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, proto_mac_mgmt_msg_rng_req_decoder, tvb, tlv_offset, tlv_len, "Power Saving Class Parameters (%u byte(s))", tlv_len);
dissect_power_saving_class(tlv_tree, tlv_type, tvb, tlv_len, pinfo, tlv_offset);
break;
default:
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_rng_req_decoder, rng_req_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE);
proto_tree_add_item(tlv_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE);
break;
}
/* update the offset */
offset = tlv_len + tlv_offset;
} /* end of TLV process while loop */
}
}
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