On Dec 30, 2015, at 12:14 PM, Guy Harris <[email protected]> wrote:
> On Dec 29, 2015, at 11:29 PM, Yang Luo <[email protected]> wrote:
>
>> I changed this function to always returning 1, which means "supported". I
>> know here I should check whether the adapter supports the monitor mode, but
>> I found no way to check. All I can do is to get/set the current mode using
>> the OID way above.
>
> That might be the only way
Or not.
The OID_DOT11_OPERATION_MODE_CAPABILITY OID:
https://msdn.microsoft.com/en-us/library/windows/hardware/ff569396(v=vs.85).aspx
returns a structure with a uOpModeCapability field; the adapter supports it if
and only if the DOT11_OPERATION_MODE_NETWORK_MONITOR flag bit is set in that
field. So you'll have to open the device in order to get that OID, but it'll
at least tell you whether the device supports it. If the OID isn't supported,
or if it is but DOT11_OPERATION_MODE_NETWORK_MONITOR isn't set, the device
doesn't support monitor mode, otherwise it does.
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