From: Johannes Berg <johannes@sipsolutions.net>
To: Filip Matusiak <filip.matusiak@tieto.com>,
linux-wireless@vger.kernel.org
Cc: marek.kwaczynski@tieto.com, davem@davemloft.net,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] mac80211: Ignore VHT IE from peer with wrong rx_mcs_map
Date: Tue, 15 Nov 2016 14:20:12 +0100 [thread overview]
Message-ID: <1479216012.12007.27.camel@sipsolutions.net> (raw)
In-Reply-To: <1478077466-4308-1-git-send-email-filip.matusiak@tieto.com> (sfid-20161102_100438_908657_9F74D2B9)
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
prev parent reply other threads:[~2016-11-15 13:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-02 9:04 [PATCH V2] mac80211: Ignore VHT IE from peer with wrong rx_mcs_map Filip Matusiak
2016-11-15 13:20 ` Johannes Berg [this message]
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