Got the error "Driver did not support SIOCSIWENCODEEXT" when trying WPS

Jouni Malinen j at
Fri Apr 10 04:40:45 EDT 2009

On Thu, Apr 09, 2009 at 11:29:10AM +0800, Wuhua Xu wrote:

> I got the error when trying to use WPS with my atheros AR5416 and the option
> nohwcrypt=1.
> ioctl[SIOCSIWENCODEEXT]: No such file or directory
> ...
> Driver did not support SIOCSIWENCODEEXT
> Is it a blocking error? How to work around it?

I don't think that this is an issue in this particular case. Association
seems to go through fine, but the AP does not start any handshake after
it. Which AP are you using? Would you be able to run a wireless sniffer
to capture the frames exchanged between the AP and the client?

Jouni Malinen                                            PGP id EFC895FA

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