ath10k: Fix reported HT MCS rates with NSS > 1
kvalo at qca.qualcomm.com
Tue May 23 08:28:55 PDT 2017
Sven Eckelmann <sven.eckelmann at openmesh.com> wrote:
> The QCA4019 firmware 10.4-3.2.1-00050 reports only HT MCS rates between
> 0-9. But 802.11n MCS rates can be larger than that. For example a 2x2
> device can send with up to MCS 15.
> The firmware encodes the higher MCS rates using the NSS field. The actual
> calculation is not documented by QCA but it seems like the NSS field can be
> mapped for HT rates to following MCS offsets:
> * NSS 1: 0
> * NSS 2: 8
> * NSS 3: 16
> * NSS 4: 24
> This offset therefore has to be added for HT rates before they are stored
> in the rate_info struct.
> Fixes: cec17c382140 ("ath10k: add per peer htt tx stats support for 10.4")
> Signed-off-by: Sven Eckelmann <sven.eckelmann at openmesh.com>
Patch applied to ath-next branch of ath.git, thanks.
c1dd8016ae02 ath10k: fix reported HT MCS rates with NSS > 1
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