1NetPacket::USBMon(3) User Contributed Perl Documentation NetPacket::USBMon(3)
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6 NetPacket::USBMon - Assemble and disassemble USB packets captured via
7 Linux USBMon interface.
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10 version 1.7.2
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13 use NetPacket::USBMon;
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15 $usb = NetPacket::USBMon->decode($raw_pkt);
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18 "NetPacket::USBMon" is a NetPacket decoder of USB packets captured via
19 Linux USBMon interface.
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21 Methods
22 "NetPacket::USBMon->decode([RAW PACKET])"
23 Decode a USB packet.
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25 Instance data
26 The instance data for the "NetPacket::UDP" object consists of the
27 following fields.
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29 id An in-kernel address of the USB Request Block (URB). Stays the same
30 for the transaction submission and completion.
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32 Might be truncatted when reading a 64-bit capture with 32-bit file.
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34 type
35 URB type. Character 'S', 'C' or 'E', for constants
36 USB_TYPE_SUBMISSION, USB_TYPE_CALLBACK or USB_TYPE_ERROR.
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38 xfer_type
39 Transfer type. USB_XFER_TYPE_ISO, USB_XFER_TYPE_INTR,
40 USB_XFER_TYPE_CONTROL or USB_XFER_TYPE_BULK.
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42 ep Endpoint identification.
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44 num Endpoint number.
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46 dir Transfer direction. "IN" or "OUT".
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48 devnum
49 Device address.
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51 busnum
52 Bus number.
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54 flag_setup
55 Indicates whether setup is present and makes sense.
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57 flag_data
58 Indicates whether data is present and makes sense.
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60 ts_sec
61 Timestamp seconds since epoch. Subject to truncation with 32-bit
62 Perl, which should be fine until 2038.
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64 ts_usec
65 Timestamp microseconds.
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67 status
68 URB status. Negative errno.
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70 length
71 Length of data (submitted or actual).
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73 len_cap
74 Delivered length
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76 setup
77 Only present for packets with setup_flag turned on. Some contents
78 are dependent on actual request type.
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80 bmRequestType
81 bRequest
82 wValue
83 wIndex
84 wLength
85 iso Only present for isochronous transfers.
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87 error_count
88 numdesc
89 interval
90 Isochronous packet response rate.
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92 start_frame
93 Only applicable to isochronous transfers.
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95 xfer_flags
96 A copy of URB's transfer_flags.
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98 ndesc
99 Actual number of isochronous descriptors.
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101 data
102 Packet payload.
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104 Exports
105 default
106 none
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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
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116 tags
117 The following tags group together related exportable items.
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119 ":types"
120 USB_TYPE_SUBMISSION, USB_TYPE_CALLBACK, USB_TYPE_ERROR
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122 ":xfer_types"
123 USB_XFER_TYPE_ISO, USB_XFER_TYPE_INTR, USB_XFER_TYPE_CONTROL,
124 USB_XFER_TYPE_BULK
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126 ":setup_flags"
127 USB_FLAG_SETUP_IRRELEVANT, USB_FLAG_SETUP_RELEVANT
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129 ":data_flags"
130 USB_FLAG_DATA_ERROR, USB_FLAG_DATA_INCOMING,
131 USB_FLAG_DATA_OUTGOING, USB_FLAG_DATA_PRESENT
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133 ":setup_types"
134 USB_TYPE_VENDOR
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136 ":ALL"
137 All the above exportable items.
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140 Copyright (c) 2013 Lubomir Rintel.
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142 This module is free software. You can redistribute it and/or modify it
143 under the same terms as Perl itself.
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146 Lubomir Rintel <lkundrak@v3.sk>
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150perl v5.30.0 2019-07-26 NetPacket::USBMon(3)