Re: [RFC] 0-length PPDU reporting

Some chipsets will also report particular types of noise as a special PPDU - used for radar detection - it might be nice to allow these as well.

Simon


> On Jun 18, 2018, at 7:37 AM, Johannes Berg <[email protected]> wrote:
> 
> Hi,
> 
> With HE in particular, but also previously, there are PPDUs that don't
> carry any MAC header, for example sounding frames.
> 
> It seems useful to report these up, but they cause wireshark to display
> an error since it's expecting to be able to decode the remainder of the
> data after radiotap as an 802.11 frame.
> 
> To fix that, and to be able to show the type of PPDU, I think we should
> add a new field, that contains just a 16-bit value (or 8? or even 32
> since we often need more alignment anyway?) indicating the type of 0-
> length PPDU.
> 
> Does anyone happen to have a more comprehensive list of PPDUs that are
> like this?
> 
> johannes