Re: Patches for wlan filtering

[Guy Harris <guy () alum mit edu>]

Gianluca Varenni wrote:

> I already noticed that the new BPF code doesn't check the
> link-type in the PPI header properly: the check against the linktype 
> should be done before checking if the frame is a data frame.

Should any packets with a linktype other than DLT_IEEE802_11_RADIO pass 
the filter?  (If so, that would significantly complicate the BPF 
compiler, as it'd have to generate code for multiple linktypes in the 
same program.)
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