1CDC_PARSE_CDC_HEADER(9)          USB Core APIs         CDC_PARSE_CDC_HEADER(9)
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NAME

6       cdc_parse_cdc_header - parse the extra headers present in CDC devices
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SYNOPSIS

9       int cdc_parse_cdc_header(struct usb_cdc_parsed_header * hdr,
10                                struct usb_interface * intf, u8 * buffer,
11                                int buflen);
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ARGUMENTS

14       hdr
15           the place to put the results of the parsing
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17       intf
18           the interface for which parsing is requested
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20       buffer
21           pointer to the extra headers to be parsed
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23       buflen
24           length of the extra headers
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DESCRIPTION

27       This evaluates the extra headers present in CDC devices which bind the
28       interfaces for data and control and provide details about the
29       capabilities of the device.
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RETURN

32       number of descriptors parsed or -EINVAL if the header is contradictory
33       beyond salvage
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36Kernel Hackers Manual 3.10         June 2019           CDC_PARSE_CDC_HEADER(9)
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