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Re: carl9170: TP-LINK TL-WN822N slow connection speeds (16 mbps) MASTER MODE

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uniwersytecka-server ~ # eix hostapd
[I] net-wireless/hostapd
     Available versions:  0.6.9 (~)0.7.3 {debug ipv6 logwatch madwifi +ssl +wps}
     Installed versions:  0.7.3(11:22:54 20.04.2011)(ssl wps -debug
-ipv6 -logwatch -madwifi)
     Homepage:            http://hostap.epitest.fi
     Description:         IEEE 802.11 wireless LAN Host AP daemon

usb 1-3: driver   API: 1.9.0 2010-10-29 [1-1]
usb 1-3: firmware API: 1.9.2 2010-12-25

2011/4/13 Damian Lesiuk <lesiuk@xxxxxxxxx>:
> When I turned off N i have this in log.
> http://pastebin.com/raw.php?i=q0zKxUZn
>
>
> And still 16 mbps.
>
> 2011/4/13 Damian Lesiuk <lesiuk@xxxxxxxxx>:
>> tcpdump file
>> http://uniwersytecka.dyndns.biz/~lesiuk/dump
>>
>> I had hostapd older than 0.7.3 but after upgrade there is the same problem.
>> There is only one change. Windows 7 is displaying it as 75 mbps
>> connection not 150 mbps (with the same config as with the older
>> version) but I have still 16 mbps dl rate.
>>
>> I am using gentoo linux and I didn't compiled that driver manually. I
>> have that driver from 3.6.38 kernel.
>> I really want to make it work.
>>
>> What should I do? Will OS change help?
>>
>> 2011/4/13 Christian Lamparter <chunkeey@xxxxxxxxxxxxxx>:
>>> On Wednesday 13 April 2011 12:51:58 Damian Lesiuk wrote:
>>>> It doesn't solved my problem. Still max dl speed 16 mbps.
>>> ok, so it could be something else... maybe it's a driver bug, maybe
>>> something is outdated [avoid hostapd older than 0.7,3], or maybe
>>> just a simple configuration problem [on either side]?
>>>
>>> you can't tell that by just looking at the low throughput figure.
>>> Instead you probably have to capture the handshake between the
>>> AP+client and look who's lying about their 11n capabilities.
>>>
>>> Luckily, all mac80211-based driver come with a nifty feature which
>>> allows you to monitor any incoming/outgoing data. Just setup a
>>> monitor interface.
>>> <http://wireless.kernel.org/en/users/Documentation/iw#Adding_interfaces_with_iw>
>>>
>>> and start a sniffer. tcpdump/whireshark is more than enough.
>>>
>>>> btw, Can I use ath9k_htc with my Atheros 9170 in N master mode.
>>> no, ar9170 is too old. ath9k_htc is exclusive driver for the
>>> ar9271,ar701x+ar928x devices, which appeared in late 2009.
>>>
>>>> What about performance?
>>> it's ok.
>>>
>>> Regards,
>>> Â Â Â ÂChr
>>>
>>
>
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