Am 21.04.2016 um 17:15 schrieb Ben Greear:
On 04/21/2016 06:17 AM, Kalle Valo wrote:
From: Johannes Berg <[email protected]>
According to the spec, VHT doesn't exist in 2.4GHz.
There are vendor extensions to allow a subset of VHT to work
(notably 256-QAM), but since mac80211 doesn't support those
advertising VHT capability on 2.4GHz leads to the behaviour
of reporting VHT capabilities but not being able to use any
of them due to mac80211's code requiring 80 MHz support.
Remove the VHT capabilities from 2.4GHz for now. If mac80211
gets extended to use the (likely Broadcom) vendor IEs for it
and handles the lack of 80 MHz support, it can be added back.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
The thing is, it actually works just fine with the patch I posted
to fix mac80211, and at any rate, even if the mac80211 patch isn't
applied, the ath10k driver works just fine in HT mode.
Have you actually found any case where the existing behaviour causes
a real problem?
i agree. other vendor chipsets to support QAM256 as well in 2.4 ghz
(notably broadcom)
this is nonstandard, but since all going the same way it wouldnt be a
great idea to keep QCA out of that extensions.
Thanks,
Ben
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