Trouble connecting to broadcom AC APs?

[Janusz Dziedzic]

On 20 March 2014 20:23, Ben Greear <greearb at candelatech.com> wrote:
> On 03/20/2014 12:17 PM, Adrian Chadd wrote:
>> Did the per-rate transmit statistics ever make it into the firmware / driver?
>>
>> I'd start by looking at what rate(s) it's trying and what the transmit
>> completion statistics say. It could be doing something exceedingly
>> dumb like transmitting on an invalid rate or stream setup.
>>
>> Same deal with STBC/LDPC. Try disabling those; see what happens.
>
> It appears the packets get to the AP, and AP at least tries to
> respond.
>
> If we bring up stations one at a time instead of multiple at once
> it works better, and using ddwrt works better than stock firmware
> on the AP too.
>
> Anyone know how well monitor mode works on ath10k?  Would be nice
> to see what is actually on the air.
>
With AP firmware, works fine. Could you send airlogs?

> Truth is, my main concern now is some issue with tx flush hanging,
> so it may be a bit until I can dig closely into the issues
> with the BCM APs.
>
> Thanks,
> Ben
>
>>
>>
>>
>> -a
>>
>>
>> On 20 March 2014 08:59, Ben Greear <greearb at candelatech.com> wrote:
>>> On 03/19/2014 11:36 PM, Kalle Valo wrote:
>>>> Ben Greear <greearb at candelatech.com> writes:
>>>>
>>>>> We are seeing various funny things when trying to connect
>>>>> ath10k stations to commercial APs with broadcom AC NICs.
>>>>>
>>>>> It sort of works sometimes, but we often see failure to
>>>>> acquire DHCP lease in a timely manner, etc.
>>>>
>>>> So it's a problem with broadcast frames? With or without encryption? Did
>>>> you try disabling power save?
>>>
>>> With and without encryption we see issues.  I am disabling power-save,
>>> but from poking around in firmware, I'm not sure how much affect that
>>> has.
>>>
>>> I'm using commands like this to disable it:
>>> ./local/sbin/iw dev sta219 set power_save off
>>>
>>>>> Similar testing on APs using QCA AC NICs appears to work
>>>>> much better.
>>>>>
>>>>> Our problems could be most anything, including the fact that this
>>>>> testing is done on our modified firmware, but I am curious if anyone
>>>>> else seems any similar issues?
>>>>
>>>> Occasionally I test connecting to D-Link DIR-865L in STA mode. But I
>>>> just do just simple ping tests and with manual IPs.
>>>
>>> We'll keep poking at things and see if we can find any
>>> pattern or work around.
>>>
>>> Thanks,
>>> Ben
>>>
>>> --
>>> Ben Greear <greearb at candelatech.com>
>>> Candela Technologies Inc  http://www.candelatech.com
>>>
>>>
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>
>
> --
> Ben Greear <greearb at candelatech.com>
> Candela Technologies Inc  http://www.candelatech.com
>
>
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