Re: hostapd + 100 devices on Cubieboard

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On 5 May 2017 at 08:50, Marek Floriańczyk <marek.florianczyk@xxxxxxxxx> wrote:
> Dnia czwartek, 4 maja 2017 17:05:59 CEST Bruno Antunes pisze:
>> On 4 May 2017 at 16:54, Marek Floriańczyk <marek.florianczyk@xxxxxxxxx>
>>
>> >> If we are going rinkydink USB devices I would have gone with an
>> >> atheros/qualcomm chip.
>> >> https://wikidevi.com/wiki/TP-LINK_TL-WN722N
>> >
>
> Hi all,
>
> This device:
> https://wikidevi.com/wiki/TP-LINK_TL-WN722N
> looks like the better option, it has for example Antenna connector: RP-SMA

I have one of this but never used it as AP.

>
> However, when I try to use it (with many devices at the same time),
> I have in logs:
> hostapd: wlan0: STA 2c:3a:e8:00:33:d6 IEEE 802.11: Could not set STA to kernel
> driver

Probably you are hitting USB limitations better of with miniPCIe device.
This discussion would be better on the wireless mailing list since its
not a hostapd limitation.

linux-wireless@xxxxxxxxxxxxxxx

Regards,
Bruno

>
> This usb dongle is visible under lsusb as:
> Bus 001 Device 002: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11n
> Device Descriptor:
>   bLength                18
>   bDescriptorType         1
>   bcdUSB               2.00
>   bDeviceClass          255 Vendor Specific Class
>   bDeviceSubClass       255 Vendor Specific Subclass
>   bDeviceProtocol       255 Vendor Specific Protocol
>   bMaxPacketSize0        64
>   idVendor           0x0cf3 Atheros Communications, Inc.
>   idProduct          0x9271 AR9271 802.11n
>   bcdDevice            1.08
>   iManufacturer          16 ATHEROS
>   iProduct               32 USB2.0 WLAN
>   iSerial                48 12345
>
> There are kernel modules loaded:
>
> root@cubieboard2:~# lsmod |grep -i ath
> ath9k_htc              42086  0
> ath9k_common           17725  1 ath9k_htc
> ath9k_hw              363616  2 ath9k_htc,ath9k_common
> ath                    14356  3 ath9k_htc,ath9k_hw,ath9k_common
> mac80211              423599  1 ath9k_htc
> cfg80211              337391  4 ath9k_htc,mac80211,ath,ath9k_common
> root@cubieboard2:~#
>
> root@cubieboard2:~# uname -a
> Linux cubieboard2 4.9.12-sunxi #4 SMP Thu Feb 23 19:46:51 CET 2017 armv7l GNU/
> Linux
> root@cubieboard2:~#
>
> I have found this info on the web:
> http://geekofpassage.blogspot.com/2014/07/openwrt-ath9khtc-could-not-add-sta-to.html
>
> Best Regards
> Marek

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