hostapd bit rate setting, Rate not more than 18Mb by a signalof -42dbm ...

Dan Searle dan at adelix.com
Wed Oct 19 09:43:19 EDT 2005


Hi,

Not sure if you realise, but there's a very similar discussion going
on on the madwifi-devel mailing list at the moment, regarding some new
Atheros 5213 based cards not transmitting at higher than 18Mbit/sec.

Sounds to me like a hardware/HAL problem, i.e. wait for this magickal
new "software release" from Atheros I suppose...

Regards, Dan....

Wednesday, October 19, 2005, 2:06:25 PM, you wrote:

> Jouni Malinen wrote:

>>On Tue, Oct 18, 2005 at 06:43:06PM -0300, Beat Meier wrote:
>>
>>  
>>
>>>The second one is a madwifi problem but the first one not.
>>>
>>>If I set the bit rate with
>>>  iwconfig ath0 bit XXX
>>>the bitrate is set.
>>>When hostapd or wpa_supplicant starts it set the bitrate back to auto.
>>>Why this?
>>>
>>>Why hostapd doesn't leave this as it is??
>>>And last but least. If I set the bitrate in 802.11g mode
>>>fix the client is connected but network not operational (ping fails etc.)
>>>    
>>>
>>
>>hostapd and wpa_supplicant do not have any code that should touch
>>bitrate configuration. 
>>
>>  
>>
> Where is the initialization of driver done for atheros cards ? Is this
> only in driver_madwifi.c?
> Because the bitrate is set to auto definitly.
> What I have not done yet is the brand new madwifi driver. I will to test
> it today with hostapd-0.4.4.

>>>BTW: If hostap is used without authentication the network interface is
>>>brought down and no more brought up.
>>>You have to do an explicit ifconfig ath0 up that it works.
>>>    
>>>
>>
>>That sounds like something that should be fixed. I think that hostapd
>>has been mainly (only?) used in WPA mode with madwifi driver and some
>>details of plaintext mode have not yet been resolved.
>>
>>  
>>
> Where do you "shutdown" the interface (which file), so I can have a look
> at that ...

> Thanks

> Beat
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Dan Searle
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