Re: ar9170 in AP mode

[Jan Kiszka <jan.kiszka@web.de>]

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Kalle Valo wrote:
> Jan Kiszka <jan.kiszka@web.de> writes:
> 
>> the ar9170 is not advertising its AP feature. However, hacking in the
>> bit allows me to run an AP on my D-Link DWA 160A with the sources of
>> yesterday's wireless-testing. Works mostly fine so far, just device
>> startup (firmware loading?) is sometimes a bit fragile, and rate control
>> seems to jump more than needed when the connection gets worse.
>>
>> There was some telling the multicast transmission would not work, but I
>> just tested it and cannot confirm this. Did something change or does a
>> specific multicast scenario still fail? Otherwise I would like to see AP
>> mode enabled in the ar9170 so that it works without modifying kernel
>> sources. Would post a patch then.
> 
> Did you test with a client which had power save mode enabled? That's
> the tricky part. 

Probably not, ath5k on my notebook doesn't support it. Now looking for
some station that does.

> 
> IMHO AP mode should not be enabled until it's confirmed that power
> save mode works properly.

How common is the combination of powersaving and mcast in practice?
Given that quite a few useful scenarios are blocked right now (unless
you know what to patch), I would at least vote for a config option or a
module parameter. That gives a chance to warn the user about this
limitation without locking out people that are no hackers.

Jan


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