Thread (1 message) 1 message, 1 author, 2016-11-15

Re: [PATCH V2] mac80211: Ignore VHT IE from peer with wrong rx_mcs_map

From: Johannes Berg <johannes@sipsolutions.net>
Date: 2016-11-15 13:20:23
Also in: lkml, netdev

On Wed, 2016-11-02 at 10:04 +0100, 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, an example is AR9462 in AP mode.

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.

Some devices in STA mode will get firmware assert when trying to
associate, examples are QCA9377 & QCA6174.

Packet example of broken VHT Cap IE of AR9462:

[...]
Applied, thanks.

johannes
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help