Re: [PATCH] mac80211: Ignore VHT IE from peer with wrong rx_mcs_map

From: Johannes Berg
Date: Fri Oct 28 2016 - 11:46:10 EST


On Fri, 2016-10-28 at 16:38 +0200, Filip Matusiak wrote:
> This is a workaround for VHT-enabled STAs which break the spec
> and have the VHT-MCS Rx map filled in with value 3 for all eight
> spacial streams.
>
> As per spec, in section 22.1.1 Introduction to the VHT PHY
> A VHT STA shall support at least single spactial stream VHT-MCSs
> 0 to 7 (transmit and receive) in all supported channel widths.

Interesting, and also kinda dumb :)

> + /*
> + Â* This is a workaround for VHT-enabled STAs which break the
>Â

I find that it helps, in the future, if we know an example of a station
that did this, so we can test other implementations etc. Can you change
the comment accordingly?

johannes