Re: r8712u issue

[Stefan Assmann <sassmann@redhat.com>]

On 19.07.2011 19:32, Ali Bahar wrote:
> On Tue, Jul 19, 2011 at 07:16:36PM +0200, Stefan Assmann wrote:
>> On 19.07.2011 18:16, Ali Bahar wrote:
>>> On Tue, Jul 19, 2011 at 11:06:55AM -0500, Larry Finger wrote:
>>>> On 07/19/2011 08:24 AM, Stefan Assmann wrote:
>>>>>
>>>>> So far I can say that with scan_ssid=1 after rebooting the AP the
>>>>> connection is properly re-established. Looks promising.
>>>>
>>>> Your results make sense. The driver is fairly passive in all this.
>>>> It gets TX requests from the MAC layer, and passes received data
>>>> back up to that layer. It seems likely that the MAC layer built into
>>>> r8712u is not keeping track of missing responses, or it is not
>>>> probing the AP. In either case, it would not be productive to devote
>>>> any effort to fixing that part when either using NetworkManager or
>>>> setting scan_ssid for wpa_supplicant establishes periodic scans.
>>>> When these fail to get response from the AP, the softmac code will
>>>> respond, as you see.
>>>>
>>>> The ultimate fix will be to convert to the driver to use mac80211,
>>>
>>> Just what I've been thinking lately. I didn't think it very worthwhile
>>> to invest too much into fixing the miscellany.
>>
>> Agreed! Maybe we could add a note to the documentation to make the
>> behaviour more obvious.
> 
> There's documentation?! ;-|
> 
> ... The following could be an option:
> http://linuxwireless.org/en/users/Drivers/rtl819x

Good idea!

> 
> Larry's the author, and so it's _his_ call. _I_ am just tackling
> whatever problems I run into; at the moment, that happens to be the
> r8712u driver.

Right, my statement wasn't directed strictly to you, I was just
thinking of how to improve the situation. :)

  Stefan