Trouble connecting to broadcom AC APs?

[Janusz Dziedzic]

On 21 March 2014 07:01, Janusz Dziedzic <janusz.dziedzic at tieto.com> wrote:
> 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?
>
BTW, I have same problem with WRT54G and orginal linksys SW - my home router.
Problem disappears when will use FW 636 :)
So, seems AP (389, 467) FW is not the best choice for STA mode.
I suspect PS problem here - but didn't check this yet ...

BR
Janusz

>> 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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