[ath9k-devel] AP Limitation because of ATH9K_HTC_MAX_STA

[Ben Greear <greearb@candelatech.com>]

On 11/22/2013 07:02 AM, Oleksij Rempel wrote:
> Am 22.11.2013 16:00, schrieb Ben Greear:
>> On 11/22/2013 06:47 AM, Oleksij Rempel wrote:
>>> Am 22.11.2013 15:40, schrieb Ben Greear:
>>>> On 11/22/2013 02:23 AM, Oleksij Rempel wrote:
>>>>> Am 20.11.2013 20:01, schrieb Gustavo Azambuja:
>>>>>> Ben, thanks for you reply.
>>>>>> I need to convert my rPi into a AP (is not an option a "real" AP) to
>>>>>> get at less 30 stations. You know some way to get a list of
>>>>>> devices/drivers can support this?
>>>>>
>>>>> It's all about USB, RAM and power.
>>>>> If you use usb to communicate with wireless hardware, then your first
>>>>> problem is usb - it is too slow! Some times it is too slow even for one
>>>>> connection. This is why we have usb wifi adapters with internal cpu,
>>>>> ram
>>>>> and firmware (micro operation system). If you wont to add more
>>>>> connections you will need more ram and may be more cpu power. This will
>>>>> need more power from usb, which is limited to 500mA.
>>>>> In this case, just take some AP, connect it over ethernet and you will
>>>>> get same result.
>>>>
>>>> The RAM is certainly an issue, but just adding more stations should not
>>>> have much CPU impact as the total throughput is unlikely to increase
>>>> as more stations are added.
>>>>
>>>> Changing software to make better use of RAM is also unlikely to increase
>>>> power usage, though adding more RAM to the hardware might.
>>>
>>> patches are welcome
>>
>> I'm sure :)
>>
>> My customers are all interested in /AC these days, so I'm putting my
>> effort there.  If/when someone opens an /AC firmware to the public
>> I will be all over it!
>
> AC?
>
>

802.11 ac, for instance ath10k.

Thanks,
Ben

-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com