Re: Correct radiotap header for 802.11ad

Johannes Berg <[email protected]> Mon, 24 Aug 2015 09:40:13 +0200
Newsgroups org.netbsd.radiotap
Message-ID <[email protected]>
On Sat, 2015-08-22 at 16:34 -0700, Guy Harris wrote:
> 
> For what it's worth, it appears that the wil6210 driver:
> 
> 	https://wireless.wiki.kernel.org/en/users/drivers/wil6210
> 
> uses the MCS field and its mcs value for 11ad.  It can also be 
> configured to supply raw "PHY data" with a vendor-namespace field.
> 
> So code that processes radiotap headers, such as Wireshark's radiotap
> -header dissector, will have to interpret packets with an MCS field 
> and a channel frequence in the 11ad range as being 11ad packets, and 
> treat the mcs value in the MCS field as an 11ad MCS, not an 11n MCS.

That just seems really lazy though - I think we should rather fix that
driver and define a proper 60G radiotap field.

johannes