/*************************************************************************** network_instruments.h - description ------------------- begin : Wed Oct 29 2003 copyright : (C) 2003 by root email : scotte[AT}netinst.com ***************************************************************************/ /*************************************************************************** * * * 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. * * * ***************************************************************************/ #ifndef __NETWORK_INSTRUMENTS_H__ #define __NETWORK_INSTRUMENTS_H__ #include #include wtap_open_return_val network_instruments_open(wtap *wth, int *err, gchar **err_info); int network_instruments_dump_can_write_encap(int encap); gboolean network_instruments_dump_open(wtap_dumper *wdh, int *err); /* * In v15 the high_byte was added to allow a larger offset This was done by * reducing the size of observer_version by 1 byte. Since version strings are * only 30 characters the high_byte will always be 0 in previous versions. */ typedef struct capture_file_header { char observer_version[31]; guint8 offset_to_first_packet_high_byte; /* allows to extend the offset to the first packet to 256*0x10000 = 16 MB */ guint16 offset_to_first_packet; char probe_instance; guint8 number_of_information_elements; /* number of TLVs in the header */ } capture_file_header; #define CAPTURE_FILE_HEADER_FROM_LE_IN_PLACE(_capture_file_header) \ _capture_file_header.offset_to_first_packet = GUINT16_FROM_LE((_capture_file_header).offset_to_first_packet) #define CAPTURE_FILE_HEADER_TO_LE_IN_PLACE(_capture_file_header) \ _capture_file_header.offset_to_first_packet = GUINT16_TO_LE((_capture_file_header).offset_to_first_packet) typedef struct tlv_header { guint16 type; guint16 length; /* includes the length of the TLV header */ } tlv_header; #define TLV_HEADER_FROM_LE_IN_PLACE(_tlv_header) \ (_tlv_header).type = GUINT16_FROM_LE((_tlv_header).type); \ (_tlv_header).length = GUINT16_FROM_LE((_tlv_header).length) #define TLV_HEADER_TO_LE_IN_PLACE(_tlv_header) \ (_tlv_header).type = GUINT16_TO_LE((_tlv_header).type); \ (_tlv_header).length = GUINT16_TO_LE((_tlv_header).length) typedef struct tlv_time_info { guint16 type; guint16 length; guint32 time_format; } tlv_time_info; #define TLV_TIME_INFO_FROM_LE_IN_PLACE(_tlv_time_info) \ (_tlv_time_info).type = GUINT16_FROM_LE((_tlv_time_info).type); \ (_tlv_time_info).length = GUINT16_FROM_LE((_tlv_time_info).length); \ (_tlv_time_info).time_format = GUINT32_FROM_LE((_tlv_time_info).time_format) #define TLV_TIME_INFO_TO_LE_IN_PLACE(_tlv_time_info) \ (_tlv_time_info).type = GUINT16_TO_LE((_tlv_time_info).type); \ (_tlv_time_info).length = GUINT16_TO_LE((_tlv_time_info).length); \ (_tlv_time_info).time_format = GUINT32_FROM_LE((_tlv_time_info).time_format) typedef struct tlv_wireless_info { guint8 quality; guint8 signalStrength; guint8 rate; guint8 frequency; guint8 qualityPercent; guint8 strengthPercent; guint8 conditions; guint8 reserved; } tlv_wireless_info; /* * Wireless conditions */ #define WIRELESS_WEP_SUCCESS 0x80 /* * TLV type values. */ #define INFORMATION_TYPE_ALIAS_LIST 0x01 #define INFORMATION_TYPE_COMMENT 0x02 /* ASCII text */ #define INFORMATION_TYPE_TIME_INFO 0x04 #define INFORMATION_TYPE_WIRELESS 0x101 /* * TVL TIME_INFO values. */ #define TIME_INFO_LOCAL 0 #define TIME_INFO_GMT 1 typedef struct packet_entry_header { guint32 packet_magic; guint32 network_speed; guint16 captured_size; guint16 network_size; guint16 offset_to_frame; guint16 offset_to_next_packet; guint8 network_type; guint8 flags; guint8 number_of_information_elements; /* number of TLVs in the header */ guint8 packet_type; guint16 errors; guint16 reserved; guint64 packet_number; guint64 original_packet_number; guint64 nano_seconds_since_2000; } packet_entry_header; #define PACKET_ENTRY_HEADER_FROM_LE_IN_PLACE(_packet_entry_header) \ (_packet_entry_header).packet_magic = GUINT32_FROM_LE((_packet_entry_header).packet_magic); \ (_packet_entry_header).network_speed = GUINT32_FROM_LE((_packet_entry_header).network_speed); \ (_packet_entry_header).captured_size = GUINT16_FROM_LE((_packet_entry_header).captured_size); \ (_packet_entry_header).network_size = GUINT16_FROM_LE((_packet_entry_header).network_size); \ (_packet_entry_header).offset_to_frame = GUINT16_FROM_LE((_packet_entry_header).offset_to_frame); \ (_packet_entry_header).offset_to_next_packet = GUINT16_FROM_LE((_packet_entry_header).offset_to_next_packet); \ (_packet_entry_header).errors = GUINT16_FROM_LE((_packet_entry_header).errors); \ (_packet_entry_header).reserved = GUINT16_FROM_LE((_packet_entry_header).reserved); \ (_packet_entry_header).packet_number = GUINT64_FROM_LE((_packet_entry_header).packet_number); \ (_packet_entry_header).original_packet_number = GUINT64_FROM_LE((_packet_entry_header).original_packet_number); \ (_packet_entry_header).nano_seconds_since_2000 = GUINT64_FROM_LE((_packet_entry_header).nano_seconds_since_2000) #define PACKET_ENTRY_HEADER_TO_LE_IN_PLACE(_packet_entry_header) \ (_packet_entry_header).packet_magic = GUINT32_TO_LE((_packet_entry_header).packet_magic); \ (_packet_entry_header).network_speed = GUINT32_TO_LE((_packet_entry_header).network_speed); \ (_packet_entry_header).captured_size = GUINT16_TO_LE((_packet_entry_header).captured_size); \ (_packet_entry_header).network_size = GUINT16_TO_LE((_packet_entry_header).network_size); \ (_packet_entry_header).offset_to_frame = GUINT16_TO_LE((_packet_entry_header).offset_to_frame); \ (_packet_entry_header).offset_to_next_packet = GUINT16_TO_LE((_packet_entry_header).offset_to_next_packet); \ (_packet_entry_header).errors = GUINT16_TO_LE((_packet_entry_header).errors); \ (_packet_entry_header).reserved = GUINT16_TO_LE((_packet_entry_header).reserved); \ (_packet_entry_header).packet_number = GUINT64_TO_LE((_packet_entry_header).packet_number); \ (_packet_entry_header).original_packet_number = GUINT64_TO_LE((_packet_entry_header).original_packet_number); \ (_packet_entry_header).nano_seconds_since_2000 = GUINT64_TO_LE((_packet_entry_header).nano_seconds_since_2000) /* * Network type values. */ #define OBSERVER_UNDEFINED 0xFF #define OBSERVER_ETHERNET 0x00 #define OBSERVER_TOKENRING 0x01 #define OBSERVER_FIBRE_CHANNEL 0x08 #define OBSERVER_WIRELESS_802_11 0x09 /* * Packet type values. */ #define PACKET_TYPE_DATA_PACKET 0 #define PACKET_TYPE_EXPERT_INFORMATION_PACKET 1 /* * The Observer document indicates that the types of expert information * packets are: * * Network Load (markers used by Expert Time Interval and What If * analysis modes) * * Start/Stop Packet Capture marker frames (with time stamps when * captures start and stop) * * Wireless Channel Change (markers showing what channel was being * currently listened to) * * That information appears to be contained in TLVs. */ /* * TLV type values. */ #define INFORMATION_TYPE_NETWORK_LOAD 0x0100 #define INFORMATION_TYPE_CAPTURE_START_STOP 0x0104 /* * Might some of these be broadcast and multicast packet counts? */ typedef struct tlv_network_load { guint32 utilization; /* network utilization, in .1% units */ guint32 unknown1; guint32 unknown2; guint32 packets_per_second; guint32 unknown3; guint32 bytes_per_second; guint32 unknown4; } tlv_network_load; typedef struct tlv_capture_start_stop { guint32 start_stop; } tlv_capture_start_stop; #define START_STOP_TYPE_STOP 0 #define START_STOP_TYPE_START 1 #endif