Any tips on where per-packet antenna selection could be pushed?

[Janusz Dziedzic]

On 6 June 2016 at 21:22, Zach Sherin <zach at netblazr.com> wrote:
> That's what I thought. Thanks for confirming, and thanks again for
> your time and help!
>
BTW, check google: ath10k smart antenna
Seems 10.2 support this.

BR
Janusz

> Have a good one,
> Zach
>
> On Mon, Jun 6, 2016 at 2:57 PM, Ben Greear <greearb at candelatech.com> wrote:
>> On 06/06/2016 11:48 AM, Zach Sherin wrote:
>>>
>>> Interesting. Could I ask if there's somewhere I should start digging?
>>> If it's not obvious I'm a driver/kernel newbie, but I'm happy to
>>> learn. Should I start by going through ath10k's documentation/code
>>> until I find the relevant bits?
>>
>>
>> Unfortunately, without firmware source, you have probably no chance
>> to do this.  And, you also probably have about no chance of getting
>> firmware source.
>>
>> Thanks,
>> Ben
>>
>>
>>>
>>> Thanks,
>>> Zach
>>>
>>>
>>> On Mon, Jun 6, 2016 at 2:42 PM, Adrian Chadd <adrian.chadd at gmail.com>
>>> wrote:
>>>>
>>>> I bet the ruckus mode shift stuff is in the ath10k hardware and is
>>>> configurable per TX descriptor.
>>>>
>>>> a
>>>>
>>>> On Jun 6, 2016 11:03 AM, "Ben Greear" <greearb at candelatech.com> wrote:
>>>>>
>>>>>
>>>>> On 06/06/2016 10:59 AM, Zach Sherin wrote:
>>>>>>
>>>>>>
>>>>>> I was aiming to run this off a serial interface on the general board,
>>>>>> not on the ath10k NIC. I have a consumer QCA9880 PCI board in an
>>>>>> Archer C7 router. It would be awesome if I could steal a GPIO or
>>>>>> something from the atheros chip to output, but I was assuming I
>>>>>> couldn't. The main reason I was looking at the ath10k driver was to
>>>>>> get as close to when the packets are transmitted as possible, to leave
>>>>>> as little room for error in the switching as possible.
>>>>>>
>>>>>> However, it's  possible that I'm hoping for too much there. I'd be
>>>>>> interested to hear your thoughts on it. If I can't pull it off, I'll
>>>>>> move to an approach outside ath10k.
>>>>>
>>>>>
>>>>>
>>>>> The driver just sends pkts to the firmware, it is the firmware that
>>>>> knows when a pkt is to be transmitted, so I think you would have to have
>>>>> some
>>>>> hooks low in the firmware tx logic to do what you want.  And you would
>>>>> need some
>>>>> hardware output from the NIC.
>>>>>
>>>>> I am guessing it would require quite a bit of changes to the firmware,
>>>>> possibly very tricky/hacky ones, and hardware output on your NIC.
>>>>>
>>>>> Thanks,
>>>>> Ben
>>>>>
>>>>> --
>>>>> Ben Greear <greearb at candelatech.com>
>>>>> Candela Technologies Inc  http://www.candelatech.com
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> ath10k mailing list
>>>>> ath10k at lists.infradead.org
>>>>> http://lists.infradead.org/mailman/listinfo/ath10k
>>>
>>>
>>
>>
>> --
>> Ben Greear <greearb at candelatech.com>
>> Candela Technologies Inc  http://www.candelatech.com
>>
>
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