UINT
ETH_NUMBER_OF_GLOBAL_FILTER_ADDRESSES(
IN PETH_FILTER Filter
);
ETH_NUMBER_OF_GLOBAL_FILTER_ADDRESSES returns the total number of addresses in the multicast address list for the NIC.
ETH_NUMBER_OF_GLOBAL_FILTER_ADDRESSES returns the total number of multicast addresses.
A caller must be holding the database spin lock to use this macro, so the driver is running at IRQL DISPATCH_LEVEL.