// usbfnbase.h

typedef struct _USBFN_INTERFACE_INFO {
  UINT8           InterfaceNumber;
  USBFN_BUS_SPEED Speed;
  USHORT          Size;
  UCHAR           InterfaceDescriptorSet[1];
} USBFN_INTERFACE_INFO, *PUSBFN_INTERFACE_INFO;
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Windows Driver Kit DDI reference (ns-usbfnbase-_usbfn_interface_info)

_USBFN_INTERFACE_INFO structure

Description

Describes an interface and its endpoints.

Members

`InterfaceNumber`

The index number of the interface.

`Speed`

The operating bus speed indicated by USBFN_BUS_SPEED-typed flags.

`Size`

Specifies the total length, in bytes, of all data for the interface.

`InterfaceDescriptorSet`

Pointer to the first element in the array of that contains the interface descriptor set.

USBFN_INTERFACE_INFO - NtDoc