Problem in vt6655 driver

Greg KH greg at
Fri May 13 19:06:38 UTC 2011

On Fri, May 13, 2011 at 03:46:56PM +0200, Piotr Kaczorek wrote:
> I'm using vt6655 driver from 2.6.38 kernel for my wifi card. It's
> set up as access point (using modified script from VIA's native
> drivers - attached in package).

Right there you are probably alone in doing this.  Running the device as
an access point is something that I doubt the code really was ever
tested for at all.

> I'd like to know if there is a possibility to run this card in
> monitor mode? It would be best if I could run AP and monitor modes
> at the same time (maybe on separate interfaces?).
> I also found a problem with sent packets. My setup is quite strange
> - my AP doesn't give access to the internet but substitutes any
> request with my page hosted on AP itself (kind of captive portal).
> There is a dnsmasq set to provide DHCP and DNS pointing to hotspot
> itself. All packets coming from eth1 are intercepted by iptables (-A
> PREROUTING -i eth1 -p tcp -j DNAT --to-destination
> On port 8180 i have nginx serving website.
> The page is sent correct but images seem to break while being sent
> (on mobile phones i can't see them in the browser or can see only
> part of them, on windows however whole content is sent correctly).
> I attach packet dumps from three devices i'm testing it on -
> SonyEricsson P1i (Opera Mobile), BlackBerry Curve 8520 (their native
> browser) and laptop with Window VIsta installed (FF4.0). Each
> contains one request to some 'made up' url.

You should be happey that you are even getting this to work at all :)

And I think you are really on your own here, any patches that you could
provide to resolve any of these issues would be greatly appreciated.

good luck,

greg k-h

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