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/* packet-lltd.c
* Routines for LLTD dissection
* Copyright 2012 , Michael Mann
*
* Wireshark - Network traffic analyzer
* By Gerald Combs < gerald @ wireshark . org >
* Copyright 1998 Gerald Combs
*
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* SPDX - License - Identifier : GPL - 2.0 - or - later
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*/
# include "config.h"
# include <epan/packet.h>
# include <epan/etypes.h>
# include <epan/expert.h>
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void proto_register_lltd ( void ) ;
void proto_reg_handoff_lltd ( void ) ;
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static int proto_lltd = - 1 ;
static int hf_lltd_version = - 1 ;
static int hf_lltd_type_of_service = - 1 ;
static int hf_lltd_reserved = - 1 ;
static int hf_lltd_discovery_func = - 1 ;
static int hf_lltd_discovery_real_dest_addr = - 1 ;
static int hf_lltd_discovery_real_src_addr = - 1 ;
static int hf_lltd_discovery_xid = - 1 ;
static int hf_lltd_discovery_seq_num = - 1 ;
static int hf_lltd_discover_gen_num = - 1 ;
static int hf_lltd_discover_num_stations = - 1 ;
static int hf_lltd_discover_station = - 1 ;
static int hf_lltd_hello_gen_num = - 1 ;
static int hf_lltd_hello_current_address = - 1 ;
static int hf_lltd_hello_apparent_address = - 1 ;
static int hf_lltd_tlv_type = - 1 ;
static int hf_lltd_tlv_length = - 1 ;
static int hf_lltd_host_id = - 1 ;
static int hf_lltd_char_p = - 1 ;
static int hf_lltd_char_x = - 1 ;
static int hf_lltd_char_f = - 1 ;
static int hf_lltd_char_m = - 1 ;
static int hf_lltd_char_l = - 1 ;
static int hf_lltd_char_reserved = - 1 ;
static int hf_lltd_physical_medium = - 1 ;
static int hf_lltd_wireless_mode = - 1 ;
static int hf_lltd_bssid = - 1 ;
static int hf_lltd_ssid = - 1 ;
static int hf_lltd_ipv4_address = - 1 ;
static int hf_lltd_ipv6_address = - 1 ;
static int hf_lltd_max_operation_rate = - 1 ;
static int hf_lltd_performance_count_freq = - 1 ;
static int hf_lltd_link_speed = - 1 ;
static int hf_lltd_rssi = - 1 ;
static int hf_lltd_machine_name = - 1 ;
static int hf_lltd_support_info = - 1 ;
static int hf_lltd_device_uuid = - 1 ;
static int hf_lltd_qos_char_e = - 1 ;
static int hf_lltd_qos_char_q = - 1 ;
static int hf_lltd_qos_char_p = - 1 ;
static int hf_lltd_qos_char_reserved = - 1 ;
static int hf_lltd_80211_physical_medium = - 1 ;
static int hf_lltd_sees_list_working_set = - 1 ;
static int hf_lltd_repeater_ap_lineage = - 1 ;
static int hf_lltd_emit_num_descs = - 1 ;
static int hf_lltd_emit_type = - 1 ;
static int hf_lltd_emit_pause = - 1 ;
static int hf_lltd_emit_src_addr = - 1 ;
static int hf_lltd_emit_dest_addr = - 1 ;
static int hf_lltd_queryresp_more_descs = - 1 ;
static int hf_lltd_queryresp_memory_descs = - 1 ;
static int hf_lltd_queryresp_num_descs = - 1 ;
static int hf_lltd_queryresp_type = - 1 ;
static int hf_lltd_queryresp_real_src_addr = - 1 ;
static int hf_lltd_queryresp_ethernet_src_addr = - 1 ;
static int hf_lltd_queryresp_ethernet_dest_addr = - 1 ;
static int hf_lltd_flat_crc_bytes = - 1 ;
static int hf_lltd_flat_crc_packets = - 1 ;
static int hf_lltd_query_large_tlv_type = - 1 ;
static int hf_lltd_query_large_tlv_offset = - 1 ;
static int hf_lltd_querylargeresp_more_descs = - 1 ;
static int hf_lltd_querylargeresp_memory_descs = - 1 ;
static int hf_lltd_querylargeresp_num_descs = - 1 ;
static int hf_lltd_querylargeresp_data = - 1 ;
static int hf_lltd_qos_diag_func = - 1 ;
static int hf_lltd_qos_real_dest_addr = - 1 ;
static int hf_lltd_qos_real_src_addr = - 1 ;
static int hf_lltd_qos_seq_num = - 1 ;
static int hf_lltd_qos_initialize_interrupt_mod = - 1 ;
static int hf_lltd_qos_ready_sink_link_speed = - 1 ;
static int hf_lltd_qos_ready_perf_count_freq = - 1 ;
static int hf_lltd_qos_probe_controller_transmit_timestamp = - 1 ;
static int hf_lltd_qos_probe_sink_receive_timestamp = - 1 ;
static int hf_lltd_qos_probe_sink_transmit_timestamp = - 1 ;
static int hf_lltd_qos_probe_test_type = - 1 ;
static int hf_lltd_qos_probe_packet_id = - 1 ;
static int hf_lltd_qos_probe_t = - 1 ;
static int hf_lltd_qos_probe_8021p_value = - 1 ;
static int hf_lltd_qos_probe_payload = - 1 ;
static int hf_lltd_qos_error_value = - 1 ;
static int hf_lltd_qos_count_snapshot_history = - 1 ;
static int hf_lltd_qos_query_resp_r = - 1 ;
static int hf_lltd_qos_query_resp_e = - 1 ;
static int hf_lltd_qos_query_resp_num_events = - 1 ;
static int hf_lltd_qos_query_resp_controller_timestamp = - 1 ;
static int hf_lltd_qos_query_resp_sink_timestamp = - 1 ;
static int hf_lltd_qos_query_resp_packet_id = - 1 ;
static int hf_lltd_qos_query_resp_reserved = - 1 ;
static int hf_lltd_qos_counter_result_subsec_span = - 1 ;
static int hf_lltd_qos_counter_result_byte_scale = - 1 ;
static int hf_lltd_qos_counter_result_packet_scale = - 1 ;
static int hf_lltd_qos_counter_result_history_size = - 1 ;
static int hf_lltd_qos_snapshot_bytes_recv = - 1 ;
static int hf_lltd_qos_snapshot_packets_recv = - 1 ;
static int hf_lltd_qos_snapshot_bytes_sent = - 1 ;
static int hf_lltd_qos_snapshot_packets_sent = - 1 ;
static gint ett_lltd = - 1 ;
static gint ett_base_header = - 1 ;
static gint ett_discover_stations = - 1 ;
static gint ett_tlv = - 1 ;
static gint ett_tlv_item = - 1 ;
static gint ett_characteristics = - 1 ;
static gint ett_qos_characteristics = - 1 ;
static gint ett_repeater_ap_lineage = - 1 ;
static gint ett_emitee_descs = - 1 ;
static gint ett_emitee_descs_item = - 1 ;
static gint ett_recvee_descs = - 1 ;
static gint ett_recvee_descs_item = - 1 ;
static gint ett_qos_event_descs = - 1 ;
static gint ett_qos_event_item = - 1 ;
static gint ett_qos_snapshot_list = - 1 ;
static gint ett_qos_snapshot_item = - 1 ;
static expert_field ei_lltd_tlv_length_invalid = EI_INIT ;
static expert_field ei_lltd_too_many_paths = EI_INIT ;
static expert_field ei_lltd_type_of_service = EI_INIT ;
static expert_field ei_lltd_char_reserved = EI_INIT ;
static expert_field ei_lltd_qos_seq_num = EI_INIT ;
static expert_field ei_lltd_discovery_func = EI_INIT ;
static expert_field ei_lltd_tlv_type = EI_INIT ;
static expert_field ei_lltd_qos_diag_func = EI_INIT ;
# define LLTD_CHARACTERISTIC_P_MASK 0x80000000
# define LLTD_CHARACTERISTIC_X_MASK 0x40000000
# define LLTD_CHARACTERISTIC_F_MASK 0x20000000
# define LLTD_CHARACTERISTIC_M_MASK 0x10000000
# define LLTD_CHARACTERISTIC_L_MASK 0x08000000
# define LLTD_CHARACTERISTIC_RESERVE_MASK 0x07FFFFFF
# define LLTD_QOS_CHARACTERISTIC_E_MASK 0x80000000
# define LLTD_QOS_CHARACTERISTIC_Q_MASK 0x40000000
# define LLTD_QOS_CHARACTERISTIC_P_MASK 0x20000000
# define LLTD_QOS_CHARACTERISTIC_RESERVE_MASK 0x1FFFFFFF
# define LLTD_QUERY_RESP_M_MASK 0x8000
# define LLTD_QUERY_RESP_E_MASK 0x4000
# define LLTD_QUERY_RESP_NUM_DESCS_MASK 0x3FFF
static const value_string lltd_tos_vals [ ] = {
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{ 0 , " Topology discovery " } ,
{ 1 , " Quick discovery " } ,
{ 2 , " QoS Diagnostics " } ,
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{ 0 , NULL }
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} ;
static const value_string lltd_discovery_vals [ ] = {
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{ 0x00 , " Discover " } ,
{ 0x01 , " Hello " } ,
{ 0x02 , " Emit " } ,
{ 0x03 , " Train " } ,
{ 0x04 , " Probe " } ,
{ 0x05 , " Ack " } ,
{ 0x06 , " Query " } ,
{ 0x07 , " QueryResp " } ,
{ 0x08 , " Reset " } ,
{ 0x09 , " Charge " } ,
{ 0x0A , " Flat " } ,
{ 0x0B , " QueryLargeTlv " } ,
{ 0x0C , " QueryLargeTlvResp " } ,
{ 0 , NULL }
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} ;
static const value_string lltd_qos_diag_vals [ ] = {
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{ 0x00 , " QosInitializeSink " } ,
{ 0x01 , " QosReady " } ,
{ 0x02 , " QosProbe " } ,
{ 0x03 , " QosQuery " } ,
{ 0x04 , " QosQueryResp " } ,
{ 0x05 , " QosReset " } ,
{ 0x06 , " QosError " } ,
{ 0x07 , " QosAck " } ,
{ 0x08 , " QosCounterSnapshot " } ,
{ 0x09 , " QosCounterResult " } ,
{ 0x0A , " QosCounterLease " } ,
{ 0 , NULL }
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} ;
static const value_string lltd_tlv_type_vals [ ] = {
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{ 0x00 , " End of Property List " } ,
{ 0x01 , " Host ID " } ,
{ 0x02 , " Characteristics " } ,
{ 0x03 , " Physical Medium " } ,
{ 0x04 , " Wireless Mode " } ,
{ 0x05 , " 802.11 BSSID " } ,
{ 0x06 , " 802.11 SSID " } ,
{ 0x07 , " IPv4 Address " } ,
{ 0x08 , " IPv6 Address " } ,
{ 0x09 , " 802.11 Maximum Operation Rate " } ,
{ 0x0A , " Performance Counter Frequency " } ,
{ 0x0C , " Link Speed " } ,
{ 0x0D , " 802.11 RSSI " } ,
{ 0x0E , " Icon Image " } ,
{ 0x0F , " Machine Name " } ,
{ 0x10 , " Support Information " } ,
{ 0x11 , " Friendly Name " } ,
{ 0x12 , " Device UUID " } ,
{ 0x13 , " Hardware ID " } ,
{ 0x14 , " QoS Characteristics " } ,
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{ 0x15 , " 802.11 Physical Medium " } ,
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{ 0x16 , " AP Association Table " } ,
{ 0x18 , " Detailed Icon Image " } ,
{ 0x19 , " Sees-List Working Set " } ,
{ 0x1A , " Component Table " } ,
{ 0x1B , " Repeater AP Lineage " } ,
{ 0x1C , " Repeater AP Table " } ,
{ 0 , NULL }
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} ;
static const value_string lltd_wireless_mode_vals [ ] = {
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{ 0x00 , " 802.11 IBSS or ad-hoc mode " } ,
{ 0x01 , " 802.11 infrastructure mode " } ,
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{ 0 , NULL }
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} ;
static const value_string lltd_80211_physical_medium_vals [ ] = {
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{ 0x00 , " Unknown " } ,
{ 0x01 , " FHSS 2.4 GHz " } ,
{ 0x02 , " DSSS 2.4 GHz " } ,
{ 0x03 , " IR Baseband " } ,
{ 0x04 , " OFDM 5 GHz " } ,
{ 0x05 , " HRDSSS " } ,
{ 0x06 , " ERP " } ,
{ 0 , NULL }
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} ;
static const value_string lltd_emit_type_vals [ ] = {
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{ 0x00 , " Train " } ,
{ 0x01 , " Probe " } ,
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{ 0 , NULL }
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} ;
static const value_string lltd_queryresp_type_vals [ ] = {
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{ 0x00 , " Probe " } ,
{ 0x01 , " ARP " } ,
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{ 0 , NULL }
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} ;
static const value_string lltd_query_large_tlv_type_vals [ ] = {
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{ 0x0E , " Icon Image " } ,
{ 0x11 , " Friendly Name " } ,
{ 0x13 , " Hardware ID " } ,
{ 0x16 , " AP Association Table " } ,
{ 0x18 , " Detailed Icon Image " } ,
{ 0x1A , " Component Table " } ,
{ 0x1C , " Repeater AP Table " } ,
{ 0 , NULL }
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} ;
static const value_string lltd_interrupt_mod_vals [ ] = {
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{ 0x00 , " Disable interrupt moderation " } ,
{ 0x01 , " Enable interrupt moderation " } ,
{ 0xFF , " Use existing interrupt moderation setting " } ,
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{ 0 , NULL }
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} ;
static const value_string lltd_qos_probe_test_type_vals [ ] = {
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{ 0x00 , " Timed Probe " } ,
{ 0x01 , " Probegap originating from the controller " } ,
{ 0x02 , " Probegap originating from the sink " } ,
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{ 0 , NULL }
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} ;
static const value_string lltd_qos_error_vals [ ] = {
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{ 0x00 , " Insufficient Resources " } ,
{ 0x01 , " Busy. Try again later " } ,
{ 0x02 , " Interrupt moderation not available " } ,
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{ 0 , NULL }
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} ;
const true_false_string tfs_full_half_duplex = { " Full Duplex " , " Half Duplex " } ;
static int
dissect_lltd_tlv ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree , guint32 offset , gboolean * end )
{
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guint8 type , length = 0 ;
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proto_item * tlv_item , * type_item ;
proto_tree * tlv_tree , * type_tree ;
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guint32 i , temp32 ;
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type = tvb_get_guint8 ( tvb , offset ) ;
if ( type = = 0 )
{
/* End of Property type doesn't have length */
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tlv_tree = proto_tree_add_subtree ( tree , tvb , offset , 1 , ett_tlv_item , & tlv_item , " TLV Item (End of Property List) " ) ;
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* end = TRUE ;
}
else
{
length = tvb_get_guint8 ( tvb , offset + 1 ) ;
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tlv_tree = proto_tree_add_subtree_format ( tree , tvb , offset , length + 2 , ett_tlv_item , & tlv_item ,
" TLV Item (%s) " , val_to_str ( type , lltd_tlv_type_vals , " Unknown (0x%02x) " ) ) ;
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* end = FALSE ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_tlv_type , tvb , offset , 1 , ENC_NA ) ;
if ( type ! = 0 )
proto_tree_add_item ( tlv_tree , hf_lltd_tlv_length , tvb , offset + 1 , 1 , ENC_NA ) ;
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if ( ( type ! = 0 ) & & ( length > tvb_reported_length_remaining ( tvb , offset + 2 ) ) )
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{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " TLV Length field too big " ) ;
* end = TRUE ;
return 2 ;
}
switch ( type )
{
case 0x00 : /* End of Property List */
/* No data, no length field */
return 1 ;
case 0x01 : /* Host ID */
if ( length ! = 6 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid Host ID length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_host_id , tvb , offset + 2 , 6 , ENC_NA ) ;
break ;
case 0x02 : /* Characteristics */
if ( length ! = 4 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Characteristics length " ) ;
}
else
{
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type_tree = proto_tree_add_subtree ( tree , tvb , offset + 2 , 4 , ett_characteristics , & type_item , " Characteristics " ) ;
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proto_tree_add_item ( type_tree , hf_lltd_char_p , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( type_tree , hf_lltd_char_x , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( type_tree , hf_lltd_char_f , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( type_tree , hf_lltd_char_m , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( type_tree , hf_lltd_char_l , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( type_tree , hf_lltd_char_reserved , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
if ( tvb_get_ntohl ( tvb , offset + 2 ) & LLTD_CHARACTERISTIC_RESERVE_MASK )
expert_add_info ( pinfo , type_item , & ei_lltd_char_reserved ) ;
}
break ;
case 0x03 : /* Physical Medium */
if ( length ! = 4 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid Physical Medium length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_physical_medium , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
break ;
case 0x04 : /* Wireless Mode */
if ( length ! = 1 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid Wireless Mode length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_wireless_mode , tvb , offset + 2 , 1 , ENC_BIG_ENDIAN ) ;
break ;
case 0x05 : /* 802.11 BSSID */
if ( length ! = 6 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid BSSID length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_bssid , tvb , offset + 2 , 6 , ENC_NA ) ;
break ;
case 0x06 : /* 802.11 SSID */
if ( length > 32 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " SSID length too large " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_ssid , tvb , offset + 2 , length , ENC_NA | ENC_ASCII ) ;
break ;
case 0x07 : /* IPv4 Address */
if ( length ! = 4 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid IPv4 Address length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_ipv4_address , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
break ;
case 0x08 : /* IPv6 Address */
if ( length ! = 16 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid IPv6 Address length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_ipv6_address , tvb , offset + 2 , 16 , ENC_NA ) ;
break ;
case 0x09 : /* 802.11 Maximum Operation Rate */
if ( length ! = 2 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid Maximum Operation Rate length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_max_operation_rate , tvb , offset + 2 , 2 , ENC_BIG_ENDIAN ) ;
break ;
case 0x0A : /* Performance Counter Frequency */
if ( length ! = 8 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid Performance Counter Frequency length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_performance_count_freq , tvb , offset + 2 , 8 , ENC_BIG_ENDIAN ) ;
break ;
case 0x0C : /* Link Speed */
if ( length ! = 4 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid Link Speed length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_link_speed , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
break ;
case 0x0D : /* 802.11 RSSI */
if ( length ! = 4 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid RSSI length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_rssi , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
break ;
case 0x0F : /* Machine Name */
if ( length > 32 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Machine Name length too large " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_machine_name , tvb , offset + 2 , length , ENC_LITTLE_ENDIAN | ENC_UCS_2 ) ;
break ;
case 0x10 : /* Support Information */
if ( length > 64 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Support Information length too large " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_support_info , tvb , offset + 2 , length , ENC_LITTLE_ENDIAN | ENC_UCS_2 ) ;
break ;
case 0x11 : /* Friendly Name */
if ( length ! = 0 )
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid Friendly Name length " ) ;
break ;
case 0x12 : /* Device UUID */
if ( length ! = 22 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid Device UUID length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_device_uuid , tvb , offset + 2 , 22 , ENC_NA ) ;
break ;
case 0x13 : /* Hardware ID */
if ( length ! = 0 )
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid Hardware ID length " ) ;
break ;
case 0x14 : /* QoS Characteristics */
if ( length ! = 4 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " QoS Characteristics length " ) ;
}
else
{
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type_tree = proto_tree_add_subtree ( tlv_tree , tvb , offset + 2 , 4 , ett_qos_characteristics , & type_item , " QoS Characteristics " ) ;
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proto_tree_add_item ( type_tree , hf_lltd_qos_char_e , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( type_tree , hf_lltd_qos_char_q , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( type_tree , hf_lltd_qos_char_p , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( type_tree , hf_lltd_qos_char_reserved , tvb , offset + 2 , 4 , ENC_BIG_ENDIAN ) ;
temp32 = tvb_get_ntohl ( tvb , offset + 2 ) ;
if ( temp32 & LLTD_QOS_CHARACTERISTIC_RESERVE_MASK )
expert_add_info ( pinfo , type_item , & ei_lltd_char_reserved ) ;
}
break ;
case 0x15 : /* 802.11 Physical Medium */
if ( length ! = 1 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid 802.11 Phyiscal Medium length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_80211_physical_medium , tvb , offset + 2 , 1 , ENC_BIG_ENDIAN ) ;
break ;
case 0x19 : /* Sees-List Working Set */
if ( length ! = 2 )
{
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid Sees-List Working Set length " ) ;
}
proto_tree_add_item ( tlv_tree , hf_lltd_sees_list_working_set , tvb , offset + 2 , 2 , ENC_BIG_ENDIAN ) ;
break ;
case 0x1B : /* Repeater AP Lineage */
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type_tree = proto_tree_add_subtree ( tree , tvb , offset + 2 , length , ett_repeater_ap_lineage , NULL , " Repeater AP Lineage " ) ;
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for ( i = 0 ; i < length ; i + = 6 )
proto_tree_add_item ( type_tree , hf_lltd_repeater_ap_lineage , tvb , offset + 2 + i , 6 , ENC_NA ) ;
if ( length > 36 )
expert_add_info ( pinfo , tlv_item , & ei_lltd_too_many_paths ) ;
break ;
case 0x0E : /* Icon Image */
case 0x16 : /* AP Association Table */
case 0x18 : /* Detailed Icon Image */
case 0x1A : /* Component Table */
case 0x1C : /* Repeater AP Table */
if ( length ! = 0 )
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_length_invalid , " Invalid length " ) ;
break ;
default :
expert_add_info_format ( pinfo , tlv_item , & ei_lltd_tlv_type , " Invalid TLV Type 0x%02x " , type ) ;
break ;
}
return length + 2 ;
}
static void
dissect_lltd_discovery ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree , int offset )
{
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proto_item * header_item , * func_item ;
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proto_tree * header_tree , * func_tree , * func_subtree ;
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guint8 func ;
guint16 temp16 ;
gboolean end_tlv = FALSE ;
int loop_offset , start_offset ;
func = tvb_get_guint8 ( tvb , offset ) ;
proto_tree_add_item ( tree , hf_lltd_discovery_func , tvb , offset , 1 , ENC_NA ) ;
col_add_fstr ( pinfo - > cinfo , COL_INFO , " %s " , val_to_str ( func , lltd_discovery_vals , " Unknown (0x%02x) " ) ) ;
offset + + ;
/* Demultiplex header */
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header_tree = proto_tree_add_subtree ( tree , tvb , offset , 14 , ett_base_header , & header_item , " Base header " ) ;
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proto_tree_add_item ( header_tree , hf_lltd_discovery_real_dest_addr , tvb , offset , 6 , ENC_NA ) ;
proto_tree_add_item ( header_tree , hf_lltd_discovery_real_src_addr , tvb , offset + 6 , 6 , ENC_NA ) ;
if ( func = = 0 )
proto_tree_add_item ( header_tree , hf_lltd_discovery_xid , tvb , offset + 12 , 2 , ENC_BIG_ENDIAN ) ;
else
proto_tree_add_item ( header_tree , hf_lltd_discovery_seq_num , tvb , offset + 12 , 2 , ENC_BIG_ENDIAN ) ;
switch ( func )
{
case 0x00 : /* Discover */
proto_tree_add_item ( tree , hf_lltd_discover_gen_num , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_discover_num_stations , tvb , offset + 16 , 2 , ENC_BIG_ENDIAN ) ;
temp16 = tvb_get_ntohs ( tvb , offset + 16 ) ;
if ( temp16 > 0 )
{
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func_tree = proto_tree_add_subtree ( tree , tvb , offset + 18 , temp16 * 6 , ett_discover_stations , NULL , " Stations " ) ;
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for ( loop_offset = 0 ; loop_offset < temp16 * 6 ; loop_offset + = 6 )
proto_tree_add_item ( func_tree , hf_lltd_discover_station , tvb , offset + 18 + loop_offset , 6 , ENC_NA ) ;
}
break ;
case 0x01 : /* Hello */
proto_tree_add_item ( tree , hf_lltd_hello_gen_num , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_hello_current_address , tvb , offset + 16 , 6 , ENC_NA ) ;
proto_tree_add_item ( tree , hf_lltd_hello_apparent_address , tvb , offset + 22 , 6 , ENC_NA ) ;
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func_tree = proto_tree_add_subtree ( tree , tvb , offset + 28 , 0 , ett_tlv , & func_item , " TLVs " ) ;
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start_offset = loop_offset = offset + 28 ;
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while ( ( end_tlv = = FALSE ) & & ( tvb_reported_length_remaining ( tvb , loop_offset ) > = 1 ) )
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{
loop_offset + = dissect_lltd_tlv ( tvb , pinfo , func_tree , loop_offset , & end_tlv ) ;
}
proto_item_set_len ( func_item , loop_offset - start_offset ) ;
break ;
case 0x02 : /* Emit */
proto_tree_add_item ( tree , hf_lltd_emit_num_descs , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
temp16 = tvb_get_ntohs ( tvb , offset + 14 ) ;
if ( temp16 > 0 )
{
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func_tree = proto_tree_add_subtree ( tree , tvb , offset + 16 , temp16 * 14 , ett_emitee_descs , NULL , " EmiteeDescs " ) ;
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for ( loop_offset = 0 ; loop_offset < temp16 * 14 ; loop_offset + = 14 )
{
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func_subtree = proto_tree_add_subtree ( func_tree , tvb , offset + 16 + loop_offset , 14 , ett_emitee_descs_item , NULL , " EmiteeDescs Item " ) ;
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proto_tree_add_item ( func_subtree , hf_lltd_emit_type , tvb , offset + 16 + loop_offset , 1 , ENC_NA ) ;
proto_tree_add_item ( func_subtree , hf_lltd_emit_pause , tvb , offset + 16 + loop_offset + 1 , 1 , ENC_NA ) ;
proto_tree_add_item ( func_subtree , hf_lltd_emit_src_addr , tvb , offset + 16 + loop_offset + 2 , 6 , ENC_NA ) ;
proto_tree_add_item ( func_subtree , hf_lltd_emit_dest_addr , tvb , offset + 16 + loop_offset + 8 , 6 , ENC_NA ) ;
}
}
break ;
case 0x07 : /* QueryResp */
proto_tree_add_item ( tree , hf_lltd_queryresp_more_descs , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_queryresp_memory_descs , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_queryresp_num_descs , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
temp16 = tvb_get_ntohs ( tvb , offset + 14 ) & LLTD_QUERY_RESP_NUM_DESCS_MASK ;
if ( temp16 > 0 )
{
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func_tree = proto_tree_add_subtree ( tree , tvb , offset + 16 , temp16 * 20 , ett_recvee_descs , NULL , " RecveeDescs " ) ;
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for ( loop_offset = 0 ; loop_offset < temp16 * 14 ; loop_offset + = 20 )
{
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func_subtree = proto_tree_add_subtree ( func_tree , tvb , offset + 16 + loop_offset , 20 ,
ett_recvee_descs_item , NULL , " RecveeDescs Item " ) ;
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proto_tree_add_item ( func_subtree , hf_lltd_queryresp_type , tvb , offset + 16 + loop_offset , 2 , ENC_BIG_ENDIAN ) ;
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proto_tree_add_item ( func_subtree , hf_lltd_queryresp_real_src_addr , tvb , offset + 16 + loop_offset + 2 , 6 , ENC_NA ) ;
proto_tree_add_item ( func_subtree , hf_lltd_queryresp_ethernet_src_addr , tvb , offset + 16 + loop_offset + 8 , 6 , ENC_NA ) ;
proto_tree_add_item ( func_subtree , hf_lltd_queryresp_ethernet_dest_addr , tvb , offset + 16 + loop_offset + 14 , 6 , ENC_NA ) ;
}
}
break ;
case 0x0A : /* Flat */
proto_tree_add_item ( tree , hf_lltd_flat_crc_bytes , tvb , offset + 14 , 4 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_flat_crc_packets , tvb , offset + 18 , 1 , ENC_BIG_ENDIAN ) ;
break ;
case 0x0B : /* QueryLargeTlv */
proto_tree_add_item ( tree , hf_lltd_query_large_tlv_type , tvb , offset + 14 , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_query_large_tlv_offset , tvb , offset + 15 , 3 , ENC_BIG_ENDIAN ) ;
break ;
case 0x0C : /* QueryLargeTlvResp */
proto_tree_add_item ( tree , hf_lltd_querylargeresp_more_descs , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_querylargeresp_memory_descs , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_querylargeresp_num_descs , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
temp16 = tvb_get_ntohs ( tvb , offset + 14 ) & LLTD_QUERY_RESP_NUM_DESCS_MASK ;
if ( temp16 > 0 )
proto_tree_add_item ( tree , hf_lltd_querylargeresp_data , tvb , offset + 16 , temp16 , ENC_NA ) ;
break ;
case 0x03 : /* Train */
case 0x04 : /* Probe */
case 0x05 : /* Ack */
case 0x06 : /* Query */
case 0x08 : /* Reset */
case 0x09 : /* Charge */
/* No data */
break ;
default :
expert_add_info_format ( pinfo , header_item , & ei_lltd_discovery_func , " Invalid function 0x%02x " , func ) ;
break ;
}
}
static void
dissect_lltd_qos ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree , int offset )
{
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proto_item * header_item ;
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proto_tree * header_tree , * func_tree , * func_subtree ;
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guint8 func ;
guint16 seq_num , temp16 ;
int loop_offset ;
func = tvb_get_guint8 ( tvb , offset ) ;
proto_tree_add_item ( tree , hf_lltd_qos_diag_func , tvb , offset , 1 , ENC_NA ) ;
col_add_fstr ( pinfo - > cinfo , COL_INFO , " %s " , val_to_str ( func , lltd_qos_diag_vals , " Unknown (0x%02x) " ) ) ;
offset + + ;
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header_tree = proto_tree_add_subtree ( tree , tvb , offset , 14 , ett_base_header , & header_item , " Base header " ) ;
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proto_tree_add_item ( header_tree , hf_lltd_qos_real_dest_addr , tvb , offset , 6 , ENC_NA ) ;
proto_tree_add_item ( header_tree , hf_lltd_qos_real_src_addr , tvb , offset + 6 , 6 , ENC_NA ) ;
proto_tree_add_item ( header_tree , hf_lltd_qos_seq_num , tvb , offset + 12 , 2 , ENC_BIG_ENDIAN ) ;
seq_num = tvb_get_ntohs ( tvb , offset + 12 ) ;
switch ( func )
{
case 0x00 : /* QosInitializeSink */
proto_tree_add_item ( tree , hf_lltd_qos_initialize_interrupt_mod , tvb , offset + 14 , 1 , ENC_BIG_ENDIAN ) ;
break ;
case 0x01 : /* QosReady */
proto_tree_add_item ( tree , hf_lltd_qos_ready_sink_link_speed , tvb , offset + 14 , 4 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_ready_perf_count_freq , tvb , offset + 18 , 8 , ENC_BIG_ENDIAN ) ;
break ;
case 0x02 : /* QosProbe */
proto_tree_add_item ( tree , hf_lltd_qos_probe_controller_transmit_timestamp , tvb , offset + 14 , 8 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_probe_sink_receive_timestamp , tvb , offset + 22 , 8 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_probe_sink_transmit_timestamp , tvb , offset + 30 , 8 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_probe_test_type , tvb , offset + 38 , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_probe_packet_id , tvb , offset + 39 , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_probe_t , tvb , offset + 40 , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_probe_8021p_value , tvb , offset + 40 , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_probe_payload , tvb , offset + 41 , 5 , ENC_NA ) ;
break ;
case 0x03 : /* QosQuery */
case 0x07 : /* QosAck */
if ( seq_num = = 0 )
expert_add_info ( pinfo , header_item , & ei_lltd_qos_seq_num ) ;
/* No Data */
break ;
case 0x04 : /* QosQueryResp */
proto_tree_add_item ( tree , hf_lltd_qos_query_resp_r , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_query_resp_e , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_query_resp_num_events , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
temp16 = tvb_get_ntohs ( tvb , offset + 14 ) & LLTD_QUERY_RESP_NUM_DESCS_MASK ;
if ( temp16 > 0 )
{
2014-06-29 21:00:12 +00:00
func_tree = proto_tree_add_subtree ( tree , tvb , offset + 16 , temp16 * 18 , ett_qos_event_descs , NULL , " QosEventDesc " ) ;
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for ( loop_offset = 0 ; loop_offset < temp16 * 18 ; loop_offset + = 18 )
{
2014-06-29 21:00:12 +00:00
func_subtree = proto_tree_add_subtree ( func_tree , tvb , offset + 16 + loop_offset , 18 , ett_qos_event_item , NULL , " Qos Event " ) ;
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proto_tree_add_item ( func_subtree , hf_lltd_qos_query_resp_controller_timestamp , tvb , offset + 16 + loop_offset , 8 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( func_subtree , hf_lltd_qos_query_resp_sink_timestamp , tvb , offset + 16 + loop_offset + 8 , 8 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( func_subtree , hf_lltd_qos_query_resp_packet_id , tvb , offset + 16 + loop_offset + 16 , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( func_subtree , hf_lltd_qos_query_resp_reserved , tvb , offset + 16 + loop_offset + 17 , 1 , ENC_BIG_ENDIAN ) ;
}
}
break ;
case 0x05 : /* QosReset */
/* No Data */
break ;
case 0x06 : /* QosError */
proto_tree_add_item ( tree , hf_lltd_qos_error_value , tvb , offset + 14 , 2 , ENC_BIG_ENDIAN ) ;
break ;
case 0x08 : /* QosCounterSnapshot */
if ( seq_num = = 0 )
expert_add_info ( pinfo , header_item , & ei_lltd_qos_seq_num ) ;
proto_tree_add_item ( tree , hf_lltd_qos_count_snapshot_history , tvb , offset + 14 , 1 , ENC_BIG_ENDIAN ) ;
break ;
case 0x09 : /* QosCounterResult */
proto_tree_add_item ( tree , hf_lltd_qos_counter_result_subsec_span , tvb , offset + 14 , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_counter_result_byte_scale , tvb , offset + 15 , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_counter_result_packet_scale , tvb , offset + 16 , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_lltd_qos_counter_result_history_size , tvb , offset + 17 , 1 , ENC_BIG_ENDIAN ) ;
temp16 = tvb_get_guint8 ( tvb , offset + 17 ) ;
if ( temp16 > 0 )
{
2014-06-29 21:00:12 +00:00
func_tree = proto_tree_add_subtree ( tree , tvb , offset + 18 , temp16 * 4 , ett_qos_snapshot_list , NULL , " Snapshot List " ) ;
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for ( loop_offset = 0 ; loop_offset < temp16 * 4 ; loop_offset + = 4 )
{
2014-06-29 21:00:12 +00:00
func_subtree = proto_tree_add_subtree ( func_tree , tvb , offset + 18 + loop_offset , 4 , ett_qos_snapshot_item , NULL , " Snapshot " ) ;
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proto_tree_add_item ( func_subtree , hf_lltd_qos_snapshot_bytes_recv , tvb , offset + 16 + loop_offset , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( func_subtree , hf_lltd_qos_snapshot_packets_recv , tvb , offset + 16 + loop_offset + 2 , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( func_subtree , hf_lltd_qos_snapshot_bytes_sent , tvb , offset + 16 + loop_offset + 4 , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( func_subtree , hf_lltd_qos_snapshot_packets_sent , tvb , offset + 16 + loop_offset + 6 , 2 , ENC_BIG_ENDIAN ) ;
}
}
break ;
case 0x0A : /* QosCounterLease */
/* No Data */
break ;
default :
expert_add_info_format ( pinfo , header_item , & ei_lltd_qos_diag_func , " Invalid function 0x%02x " , func ) ;
break ;
}
}
static int
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dissect_lltd ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree , void * data _U_ )
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{
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proto_item * ti ;
proto_tree * lltd_tree ;
2014-06-21 18:07:27 +00:00
guint8 tos ;
col_set_str ( pinfo - > cinfo , COL_PROTOCOL , " LLTD " ) ;
col_clear ( pinfo - > cinfo , COL_INFO ) ;
ti = proto_tree_add_item ( tree , proto_lltd , tvb , 0 , - 1 , ENC_NA ) ;
lltd_tree = proto_item_add_subtree ( ti , ett_lltd ) ;
proto_tree_add_item ( lltd_tree , hf_lltd_version , tvb , 0 , 1 , ENC_NA ) ;
proto_tree_add_item ( lltd_tree , hf_lltd_type_of_service , tvb , 1 , 1 , ENC_NA ) ;
tos = tvb_get_guint8 ( tvb , 1 ) ;
proto_tree_add_item ( lltd_tree , hf_lltd_reserved , tvb , 2 , 1 , ENC_NA ) ;
switch ( tos )
{
case 0 : /* Topology discovery */
case 1 : /* Quick discovery */
dissect_lltd_discovery ( tvb , pinfo , lltd_tree , 3 ) ;
break ;
case 2 : /* QoS Diagnostics */
dissect_lltd_qos ( tvb , pinfo , lltd_tree , 3 ) ;
break ;
default :
expert_add_info_format ( pinfo , ti , & ei_lltd_type_of_service , " Invalid Type of Service value 0x%02x " , tos ) ;
break ;
}
2015-06-23 18:24:48 +00:00
return tvb_captured_length ( tvb ) ;
2014-06-21 18:07:27 +00:00
}
void
proto_register_lltd ( void )
{
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static hf_register_info hf [ ] = {
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{ & hf_lltd_version , { " Version " , " lltd.version " , FT_UINT8 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_type_of_service , { " Type of Service " , " lltd.tos " , FT_UINT8 , BASE_HEX , VALS ( lltd_tos_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_reserved , { " Reserved " , " lltd.reserved " , FT_UINT8 , BASE_HEX , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_discovery_func , { " Discovery function " , " lltd.discovery " , FT_UINT8 , BASE_HEX , VALS ( lltd_discovery_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_discovery_real_dest_addr , { " Real Destination Address " , " lltd.discovery.real_dest_addr " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_discovery_real_src_addr , { " Real Source Address " , " lltd.discovery.real_src_addr " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_discovery_xid , { " XID " , " lltd.discovery.xid " , FT_UINT16 , BASE_HEX , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_discovery_seq_num , { " Sequence Number " , " lltd.discovery.seq_num " , FT_UINT16 , BASE_HEX , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_discover_gen_num , { " Generation Number " , " lltd.discover.gen_num " , FT_UINT16 , BASE_HEX , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_discover_num_stations , { " Number of Stations " , " lltd.discover.num_stations " , FT_UINT16 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_discover_station , { " Station " , " lltd.discover.station " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_hello_gen_num , { " Generation Number " , " lltd.hello.gen_num " , FT_UINT16 , BASE_HEX , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_hello_current_address , { " Current Mapper Address " , " lltd.hello.current_address " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_hello_apparent_address , { " Current Apparent Address " , " lltd.hello.apparent_address " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_tlv_type , { " Type " , " lltd.tlv.type " , FT_UINT8 , BASE_HEX , VALS ( lltd_tlv_type_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_tlv_length , { " Length " , " lltd.tlv.length " , FT_UINT8 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_host_id , { " Host ID " , " lltd.host_id " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_char_p , { " Public NAT " , " lltd.characteristic.public_nat " , FT_BOOLEAN , 32 , TFS ( & tfs_true_false ) , LLTD_CHARACTERISTIC_P_MASK , NULL , HFILL } } ,
{ & hf_lltd_char_x , { " Private NAT " , " lltd.characteristic.private_nat " , FT_BOOLEAN , 32 , TFS ( & tfs_true_false ) , LLTD_CHARACTERISTIC_X_MASK , NULL , HFILL } } ,
{ & hf_lltd_char_f , { " Duplex " , " lltd.characteristic.duplex " , FT_BOOLEAN , 32 , TFS ( & tfs_full_half_duplex ) , LLTD_CHARACTERISTIC_F_MASK , NULL , HFILL } } ,
{ & hf_lltd_char_m , { " Management Web Page " , " lltd.characteristic.web_page " , FT_BOOLEAN , 32 , TFS ( & tfs_present_absent ) , LLTD_CHARACTERISTIC_M_MASK , NULL , HFILL } } ,
{ & hf_lltd_char_l , { " Looping Outbound Packets " , " lltd.characteristic.loop " , FT_BOOLEAN , 32 , TFS ( & tfs_true_false ) , LLTD_CHARACTERISTIC_L_MASK , NULL , HFILL } } ,
{ & hf_lltd_char_reserved , { " Reserved " , " lltd.characteristic.reserved " , FT_UINT32 , BASE_HEX , NULL , LLTD_CHARACTERISTIC_RESERVE_MASK , NULL , HFILL } } ,
{ & hf_lltd_physical_medium , { " Physical Medium " , " lltd.physical_medium " , FT_UINT32 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_wireless_mode , { " Wireless Mode " , " lltd.wireless_mode " , FT_UINT8 , BASE_HEX , VALS ( lltd_wireless_mode_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_bssid , { " BSSID " , " lltd.bssid " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_ssid , { " SSID " , " lltd.ssid " , FT_STRING , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_ipv4_address , { " IPv4 Address " , " lltd.ipv4_address " , FT_IPv4 , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_ipv6_address , { " IPv6 Address " , " lltd.ipv6_address " , FT_IPv6 , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_max_operation_rate , { " Maximum Operational Rate (.5 Mbps) " , " lltd.max_operation_rate " , FT_UINT16 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_performance_count_freq , { " Performance Counter Frequency " , " lltd.performance_count_freq " , FT_UINT64 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_link_speed , { " Link Speed (100 bps) " , " lltd.link_speed " , FT_UINT32 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_rssi , { " RSSI " , " lltd.rssi " , FT_INT32 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_machine_name , { " Machine Name " , " lltd.machine_name " , FT_STRING /*FT_UCS2_LE */ , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_support_info , { " Support Information " , " lltd.support_info " , FT_STRING /*FT_UCS2_LE */ , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_device_uuid , { " Device UUID " , " lltd.device_uuid " , FT_GUID , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_char_e , { " Layer 2 Forwarding " , " lltd.qos_characteristic.layer2_forwarding " , FT_BOOLEAN , 32 , TFS ( & tfs_true_false ) , LLTD_QOS_CHARACTERISTIC_E_MASK , NULL , HFILL } } ,
{ & hf_lltd_qos_char_q , { " 802.1q VLAN " , " lltd.qos_characteristic.vlan " , FT_BOOLEAN , 32 , TFS ( & tfs_supported_not_supported ) , LLTD_QOS_CHARACTERISTIC_Q_MASK , NULL , HFILL } } ,
{ & hf_lltd_qos_char_p , { " 802.1q Priority Tagging " , " lltd.qos_characteristic.tagging " , FT_BOOLEAN , 32 , TFS ( & tfs_supported_not_supported ) , LLTD_QOS_CHARACTERISTIC_P_MASK , NULL , HFILL } } ,
{ & hf_lltd_qos_char_reserved , { " Reserved " , " lltd.qos_characteristic.reserved " , FT_UINT32 , BASE_HEX , NULL , LLTD_QOS_CHARACTERISTIC_RESERVE_MASK , NULL , HFILL } } ,
{ & hf_lltd_80211_physical_medium , { " 802.11 Physical Medium " , " lltd.80211_physical_medium " , FT_UINT8 , BASE_HEX , VALS ( lltd_80211_physical_medium_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_sees_list_working_set , { " Sees-List Working Set " , " lltd.sees_list_working_set " , FT_UINT16 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_repeater_ap_lineage , { " Address Path to Root " , " lltd.address_path_to_root " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_emit_num_descs , { " Number of EmiteeDescs " , " lltd.emit.num_descs " , FT_UINT16 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_emit_type , { " Type " , " lltd.emit.type " , FT_UINT8 , BASE_HEX , VALS ( lltd_emit_type_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_emit_pause , { " Pause (ms) " , " lltd.emit.pause " , FT_UINT8 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_emit_src_addr , { " Source Address " , " lltd.emit.src_addr " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_emit_dest_addr , { " Destination Address " , " lltd.emit.dest_addr " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_queryresp_more_descs , { " More RecveeDescs " , " lltd.queryresp.more " , FT_BOOLEAN , 16 , TFS ( & tfs_true_false ) , LLTD_QUERY_RESP_M_MASK , NULL , HFILL } } ,
{ & hf_lltd_queryresp_memory_descs , { " No memory left " , " lltd.queryresp.memory " , FT_BOOLEAN , 16 , TFS ( & tfs_true_false ) , LLTD_QUERY_RESP_E_MASK , NULL , HFILL } } ,
{ & hf_lltd_queryresp_num_descs , { " Number of RecveeDescs " , " lltd.queryresp.num_descs " , FT_UINT16 , BASE_DEC , NULL , LLTD_QUERY_RESP_NUM_DESCS_MASK , NULL , HFILL } } ,
{ & hf_lltd_queryresp_type , { " Type " , " lltd.queryresp.type " , FT_UINT16 , BASE_HEX , VALS ( lltd_queryresp_type_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_queryresp_real_src_addr , { " Real Source Address " , " lltd.queryresp.real_src_addr " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_queryresp_ethernet_src_addr , { " Ethernet Source Address " , " lltd.queryresp.ethernet_src_addr " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_queryresp_ethernet_dest_addr , { " Ethernet Destination Address " , " lltd.queryresp.ethernet_dest_addr " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_flat_crc_bytes , { " Current Transmit Credit (bytes) " , " lltd.flat.crc_bytes " , FT_UINT32 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_flat_crc_packets , { " Current Transmit Credit (packets) " , " lltd.flat.crc_packets " , FT_UINT8 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_query_large_tlv_type , { " Type " , " lltd.query_large_tlv.type " , FT_UINT8 , BASE_HEX , VALS ( lltd_query_large_tlv_type_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_query_large_tlv_offset , { " Offset " , " lltd.query_large_tlv.offset " , FT_UINT24 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_querylargeresp_more_descs , { " More RecveeDescs " , " lltd.querylargeresp.more " , FT_BOOLEAN , 16 , TFS ( & tfs_true_false ) , LLTD_QUERY_RESP_M_MASK , NULL , HFILL } } ,
{ & hf_lltd_querylargeresp_memory_descs , { " No memory left " , " lltd.querylargeresp.memory " , FT_BOOLEAN , 16 , TFS ( & tfs_true_false ) , LLTD_QUERY_RESP_E_MASK , NULL , HFILL } } ,
{ & hf_lltd_querylargeresp_num_descs , { " Number of RecveeDescs " , " lltd.querylargeresp.num_descs " , FT_UINT16 , BASE_DEC , NULL , LLTD_QUERY_RESP_NUM_DESCS_MASK , NULL , HFILL } } ,
{ & hf_lltd_querylargeresp_data , { " Data " , " lltd.querylargeresp.data " , FT_BYTES , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_diag_func , { " QoS Diagnostics function " , " lltd.qos_diag " , FT_UINT8 , BASE_HEX , VALS ( lltd_qos_diag_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_real_dest_addr , { " Real Destination Address " , " lltd.qos.real_dest_addr " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_real_src_addr , { " Real Source Address " , " lltd.qos.real_src_addr " , FT_ETHER , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_seq_num , { " Sequence Number " , " lltd.qos.seq_num " , FT_UINT16 , BASE_HEX , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_initialize_interrupt_mod , { " Interrupt Mod " , " lltd.qos_initialize.interrupt_mod " , FT_UINT8 , BASE_HEX , VALS ( lltd_interrupt_mod_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_ready_sink_link_speed , { " Sink Link Speed (100 bps) " , " lltd.qos_ready.sink_link_speed " , FT_UINT32 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_ready_perf_count_freq , { " Performance Counter Frequency " , " lltd.qos_ready.performance_count_freq " , FT_UINT64 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_probe_controller_transmit_timestamp , { " Controller Transmit Timestamp " , " lltd.qos_probe.controller_transmit_timestamp " , FT_UINT64 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_probe_sink_receive_timestamp , { " Sink Receive Timestamp " , " lltd.qos_probe.sink_receive_timestamp " , FT_UINT64 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_probe_sink_transmit_timestamp , { " Sink Transmit Timestamp " , " lltd.qos_probe.sink_transmit_timestamp " , FT_UINT64 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_probe_test_type , { " Test Type " , " lltd.qos_probe.test_type " , FT_UINT8 , BASE_HEX , VALS ( lltd_qos_probe_test_type_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_probe_packet_id , { " Packet ID " , " lltd.qos_probe.packet_id " , FT_UINT8 , BASE_HEX , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_probe_t , { " 802.1p Tag " , " lltd.qos_probe.tag " , FT_BOOLEAN , 8 , TFS ( & tfs_present_not_present ) , 0x80 , NULL , HFILL } } ,
{ & hf_lltd_qos_probe_8021p_value , { " 802.1p Value " , " lltd.qos_probe.value " , FT_UINT8 , BASE_DEC , NULL , 0x7F , NULL , HFILL } } ,
{ & hf_lltd_qos_probe_payload , { " Payload " , " lltd.qos_probe.payload " , FT_BYTES , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_error_value , { " Error Code " , " lltd.qos_error " , FT_UINT16 , BASE_DEC , VALS ( lltd_qos_error_vals ) , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_count_snapshot_history , { " History Size " , " lltd.qos_count_snapshot.history " , FT_UINT8 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_query_resp_r , { " Receipt " , " lltd.qos_query_resp.receipt " , FT_BOOLEAN , 16 , TFS ( & tfs_true_false ) , LLTD_QUERY_RESP_M_MASK , NULL , HFILL } } ,
{ & hf_lltd_qos_query_resp_e , { " No memory left " , " lltd.qos_query_resp.memory " , FT_BOOLEAN , 16 , TFS ( & tfs_true_false ) , LLTD_QUERY_RESP_E_MASK , NULL , HFILL } } ,
{ & hf_lltd_qos_query_resp_num_events , { " Number of Events " , " lltd.qos_query_resp.num_events " , FT_UINT16 , BASE_DEC , NULL , LLTD_QUERY_RESP_NUM_DESCS_MASK , NULL , HFILL } } ,
{ & hf_lltd_qos_query_resp_controller_timestamp , { " Controller Transmit Timestamp " , " lltd.qos_query_resp.controller_timestamp " , FT_UINT64 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_query_resp_sink_timestamp , { " Sink Receive Timestamp " , " lltd.qos_query_resp.sink_timestamp " , FT_UINT64 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_query_resp_packet_id , { " Packet ID " , " lltd.qos_query_resp.packet_id " , FT_UINT8 , BASE_HEX , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_query_resp_reserved , { " Reserved " , " lltd.qos_query_resp.reserved " , FT_UINT8 , BASE_HEX , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_counter_result_subsec_span , { " Subsecond Span (1/256th sec) " , " lltd.qos_counter_result.subsec_span " , FT_UINT8 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_counter_result_byte_scale , { " Byte Scale (kb) " , " lltd.qos_counter_result.byte_scale " , FT_UINT8 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_counter_result_packet_scale , { " Packet Scale " , " lltd.qos_counter_result.packet_scale " , FT_UINT8 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_counter_result_history_size , { " History Size " , " lltd.qos_counter_result.history_size " , FT_UINT8 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_snapshot_bytes_recv , { " Bytes Received " , " lltd.qos_snapshot.bytes_recv " , FT_UINT16 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_snapshot_packets_recv , { " Packets Received " , " lltd.qos_snapshot.packets_recv " , FT_UINT16 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_snapshot_bytes_sent , { " Bytes Sent " , " lltd.qos_snapshot.bytes_sent " , FT_UINT16 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
{ & hf_lltd_qos_snapshot_packets_sent , { " Packets Sent " , " lltd.qos_snapshot.packets_sent " , FT_UINT16 , BASE_DEC , NULL , 0 , NULL , HFILL } }
} ;
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static gint * ett [ ] = {
& ett_lltd ,
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& ett_base_header ,
& ett_discover_stations ,
& ett_tlv ,
& ett_tlv_item ,
& ett_characteristics ,
& ett_qos_characteristics ,
& ett_repeater_ap_lineage ,
& ett_emitee_descs ,
& ett_emitee_descs_item ,
& ett_recvee_descs ,
& ett_recvee_descs_item ,
& ett_qos_event_descs ,
& ett_qos_event_item ,
& ett_qos_snapshot_list ,
& ett_qos_snapshot_item
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} ;
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static ei_register_info ei [ ] = {
{ & ei_lltd_tlv_length_invalid , { " lltd.tlv.length.invalid " , PI_MALFORMED , PI_ERROR , " Invalid length " , EXPFILL } } ,
{ & ei_lltd_char_reserved , { " lltd.characteristic.reserved.not_zero " , PI_PROTOCOL , PI_WARN , " Non zero reserve bits " , EXPFILL } } ,
{ & ei_lltd_too_many_paths , { " lltd.too_many_paths " , PI_PROTOCOL , PI_WARN , " Too many paths to root " , EXPFILL } } ,
{ & ei_lltd_tlv_type , { " lltd.tlv.type.invalid " , PI_PROTOCOL , PI_WARN , " Invalid TLV Type 0x%02x " , EXPFILL } } ,
{ & ei_lltd_discovery_func , { " lltd.discovery.invalid " , PI_PROTOCOL , PI_WARN , " Invalid function 0x%02x " , EXPFILL } } ,
{ & ei_lltd_qos_seq_num , { " lltd.qos.seq_num.cannot_be_zero " , PI_PROTOCOL , PI_WARN , " Sequence number can not be 0 " , EXPFILL } } ,
{ & ei_lltd_qos_diag_func , { " lltd.qos_diag.invalid " , PI_PROTOCOL , PI_WARN , " Invalid function 0x%02x " , EXPFILL } } ,
{ & ei_lltd_type_of_service , { " lltd.tos.invalid " , PI_PROTOCOL , PI_WARN , " Invalid Type of Service value 0x%02x " , EXPFILL } } ,
} ;
expert_module_t * expert_lltd ;
proto_lltd = proto_register_protocol ( " Link Layer Topology Discovery " , " LLTD " , " lltd " ) ;
proto_register_field_array ( proto_lltd , hf , array_length ( hf ) ) ;
proto_register_subtree_array ( ett , array_length ( ett ) ) ;
expert_lltd = expert_register_protocol ( proto_lltd ) ;
expert_register_field_array ( expert_lltd , ei , array_length ( ei ) ) ;
}
void
proto_reg_handoff_lltd ( void )
{
dissector_handle_t lltd_handle ;
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lltd_handle = create_dissector_handle ( dissect_lltd , proto_lltd ) ;
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dissector_add_uint ( " ethertype " , ETHERTYPE_LLTD , lltd_handle ) ;
}
/*
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* Editor modelines - https : //www.wireshark.org/tools/modelines.html
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*
* Local variables :
* c - basic - offset : 4
* tab - width : 8
* indent - tabs - mode : nil
* End :
*
* vi : set shiftwidth = 4 tabstop = 8 expandtab :
* : indentSize = 4 : tabSize = 8 : noTabs = true :
*/