[OpenWrt-Devel] [PATCH] ar71xx: add support for the UniFi AP Outdoor Plus

Matthias Schiffer mschiffer at universe-factory.net
Mon May 11 13:18:34 EDT 2015

On 03/21/2015 10:16 AM, Stefan Rompf wrote:
> Hi Sergey,
>> You should be a wizard to reveal hw protocol without touching hw :)
> I cannot say 'Mischief managed!' by now, but it's slowly making progress ;-)
>> Unlikely that iwconfig changes something directly, I would bet on the
>> driver.
> Indeed. So far
> -The RF filter is controlled by the GPIO pins on the AR928x wifi chip via some 
> kind of serial protocol.
> -The functions responsible for the filter are ath_hal_hsr_init(), called once 
> on initialisation, ath_hal_hsr_disable() and ath_hal_hsr_enable() on channel 
> change. There is an ath_hal_hsr_get_lock_status() that does not seem to be 
> used.
> -There seems to be no filter tuning after it has been setup on channel change.
> Reverse engineering this unreadable MIPS assembly mess will take some time... 
> anyone willing to help? Does it make sense to open a ticket to track the issue 
> or is this mailing list ok?
> Stefan

Any news here? I know a lot of people who are eager to run OpenWrt on
their UAP Outdoor+ ...

If you don't have time to do further work on this, I'd be glad to
continue where you left off. Have you found out anything substantial
that might help?


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