Re: RTL 8187b - naughty behaviour

[Larry Finger <Larry.Finger@lwfinger.net>]

On 08/10/2010 07:23 PM, Thadeu Lima de Souza Cascardo wrote:
> 
> I've been working for some two weeks observing the behaviour of
> rtl8187B. Thanks to someone's report (I think it was Rogerio's), I found
> the realtek driver. It does seem to work a little better regarding
> transmission. I have taken a look at the driver (it's GPLed) and done
> some experiments, but couldn't find any particular difference that
> magically make it work yet.
> 
> I think the mmiotrace is not exactly what you want. Since these are USB
> devices, usbmon dumps are much more readable and useful. I've made some
> of my own, but still need to write some scripts to translate them to
> something I can read and compare more easily.
> 
> As soon as I get some patches that work for me and are field tested for
> these particular device versions, I will send them to the list for
> review and testing with other device versions.
> 
> Larry, you mentioned in one of your messages about the specs. Are they
> under an NDA or could you provide or ask for a copy?

The spec sheets I have gotten from Realtek are minimal, but I do not have the
right to redistribute them.

> At a glance, the realtek driver seems to do some dynamic power gain
> control. I will try this as one of my next steps.

That sounds like a promising place to start.

Larry