1NetPacket::USBMon(3)  User Contributed Perl Documentation NetPacket::USBMon(3)
2
3
4

NAME

6       NetPacket::USBMon - Assemble and disassemble USB packets captured via
7       Linux USBMon interface.
8

VERSION

10       version 1.7.2
11

SYNOPSIS

13         use NetPacket::USBMon;
14
15         $usb = NetPacket::USBMon->decode($raw_pkt);
16

DESCRIPTION

18       "NetPacket::USBMon" is a NetPacket decoder of USB packets captured via
19       Linux USBMon interface.
20
21   Methods
22       "NetPacket::USBMon->decode([RAW PACKET])"
23           Decode a USB packet.
24
25   Instance data
26       The instance data for the "NetPacket::UDP" object consists of the
27       following fields.
28
29       id  An in-kernel address of the USB Request Block (URB). Stays the same
30           for the transaction submission and completion.
31
32           Might be truncatted when reading a 64-bit capture with 32-bit file.
33
34       type
35           URB type. Character 'S', 'C' or 'E', for constants
36           USB_TYPE_SUBMISSION, USB_TYPE_CALLBACK or USB_TYPE_ERROR.
37
38       xfer_type
39           Transfer type. USB_XFER_TYPE_ISO, USB_XFER_TYPE_INTR,
40           USB_XFER_TYPE_CONTROL or USB_XFER_TYPE_BULK.
41
42       ep  Endpoint identification.
43
44           num     Endpoint number.
45
46           dir     Transfer direction. "IN" or "OUT".
47
48       devnum
49           Device address.
50
51       busnum
52           Bus number.
53
54       flag_setup
55           Indicates whether setup is present and makes sense.
56
57       flag_data
58           Indicates whether data is present and makes sense.
59
60       ts_sec
61           Timestamp seconds since epoch. Subject to truncation with 32-bit
62           Perl, which should be fine until 2038.
63
64       ts_usec
65           Timestamp microseconds.
66
67       status
68           URB status. Negative errno.
69
70       length
71           Length of data (submitted or actual).
72
73       len_cap
74           Delivered length
75
76       setup
77           Only present for packets with setup_flag turned on.  Some contents
78           are dependent on actual request type.
79
80           bmRequestType
81           bRequest
82           wValue
83           wIndex
84           wLength
85       iso Only present for isochronous transfers.
86
87           error_count
88           numdesc
89       interval
90           Isochronous packet response rate.
91
92       start_frame
93           Only applicable to isochronous transfers.
94
95       xfer_flags
96           A copy of URB's transfer_flags.
97
98       ndesc
99           Actual number of isochronous descriptors.
100
101       data
102           Packet payload.
103
104   Exports
105       default
106           none
107
108       exportable
109           USB_TYPE_SUBMISSION, USB_TYPE_CALLBACK, USB_TYPE_ERROR,
110           USB_XFER_TYPE_ISO, USB_XFER_TYPE_INTR, USB_XFER_TYPE_CONTROL,
111           USB_XFER_TYPE_BULK, USB_FLAG_SETUP_IRRELEVANT,
112           USB_FLAG_SETUP_RELEVANT, USB_FLAG_DATA_ERROR,
113           USB_FLAG_DATA_INCOMING, USB_FLAG_DATA_OUTGOING,
114           USB_FLAG_DATA_PRESENT, USB_TYPE_VENDOR
115
116       tags
117           The following tags group together related exportable items.
118
119           ":types"
120               USB_TYPE_SUBMISSION, USB_TYPE_CALLBACK, USB_TYPE_ERROR
121
122           ":xfer_types"
123               USB_XFER_TYPE_ISO, USB_XFER_TYPE_INTR, USB_XFER_TYPE_CONTROL,
124               USB_XFER_TYPE_BULK
125
126           ":setup_flags"
127               USB_FLAG_SETUP_IRRELEVANT, USB_FLAG_SETUP_RELEVANT
128
129           ":data_flags"
130               USB_FLAG_DATA_ERROR, USB_FLAG_DATA_INCOMING,
131               USB_FLAG_DATA_OUTGOING, USB_FLAG_DATA_PRESENT
132
133           ":setup_types"
134               USB_TYPE_VENDOR
135
136           ":ALL"
137               All the above exportable items.
138
140       Copyright (c) 2013 Lubomir Rintel.
141
142       This module is free software. You can redistribute it and/or modify it
143       under the same terms as Perl itself.
144

AUTHOR

146       Lubomir Rintel <lkundrak@v3.sk>
147
148
149
150perl v5.36.0                      2023-01-20              NetPacket::USBMon(3)
Impressum