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From: Luis Correia on 18 Mar 2010 18:00
Hi,

On Thu, Mar 18, 2010 at 21:46, Ondrej Zary <linux(a)rainbow-software.org> wrote:
>
> Hello,
> rt2500usb is broken since kernel 2.6.29. It has been discussed before but
> never solved:
> http://rt2x00.serialmonkey.com/phpBB/viewtopic.php?f=4&t=4834
> https://bugzilla.redhat.com/show_bug.cgi?id=484888
>
> I have Asus WL-167G and it really does not work. Scanning works, association
> too but no packets can be sent (looks like receive works because tcpdump
> shows packets from other machines). DHCP fails (No DHCPOFFERS received).
>
> The problem is caused by this patch:
>
> rt2x00: Implement HW encryption (rt2500usb)
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dddfb478b26e29a2b47f655ec219e743b8111015
>
> Removing it from 2.6.29 restores the functionality.
>
> --
> Ondrej Zary
>

you can prevent hardware encryption by supplying "nohwcrypt=1" to the driver.
(modinfo rt2500usb)

Luis Correia
rt2x00 project admin
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