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Intel's web site requires some minor tweaks to get it to work: - The driver seems to have been released with full WMI tracing enabled, and makes references to some WMI APIs, namely IoWMIRegistrationControl(), WmiQueryTraceInformation() and WmiTraceMessage(). Only the first one is ever called (during intialization). These have been implemented as do-nothing stubs for now. Also added a definition for STATUS_NOT_FOUND to ntoskrnl_var.h, which is used as a return code for one of the WMI routines. - The driver references KeRaiseIrqlToDpcLevel() and KeLowerIrql() (the latter as a function, which is unusual because normally KeLowerIrql() is a macro in the Windows DDK that calls KfLowewIrql()). I'm not sure why these are being called since they're not really part of WDM. Presumeably they're being used for backwards compatibility with old versions of Windows. These have been implemented in subr_hal.c. (Note that they're _stdcall routines instead of _fastcall.) - When querying the OID_802_11_BSSID_LIST OID to get a BSSID list, you don't know ahead of time how many networks the NIC has found during scanning, so you're allowed to pass 0 as the list length. This should cause the driver to return an 'insufficient resources' error and set the length to indicate how many bytes are actually needed. However for some reason, the Intel driver does not honor this convention: if you give it a length of 0, it returns some other error and doesn't tell you how much space is really needed. To get around this, if using a length of 0 yields anything besides the expected error case, we arbitrarily assume a length of 64K. This is similar to the hack that wpa_supplicant uses when doing a BSSID list query.
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