Re: WPA/RSN information in cfg80211?

[Mark Powell <Mark.Powell@csr.com>]

Johannes Berg wrote:
> Looking through wpa_supplicant and then through the kernel I notice that
> we currently in the kernel special-case some things in SIOCSIWAUTH, for
> example IW_AUTH_WPA_VERSION is ignored since we rely on the IE that wpa
> supplicant gave us.
>   
FWIW we currently use the value of IW_AUTH_WPA_VERSION to generate the
correct cipher suite selector when forming the set-key request for our
hard MAC device. We use other IW_AUTH settings too.
> ...
>
> I'm inclined to just require userspace to put both the IE and the
> individual settings into the relevant nl80211 messages, but then we
> might just as well piece the IE together from those settings, no?
>   
We certainly need the individual settings. It is nice that
wpa_supplicant generates the IE - it saved me writing the code - but
that's just being lazy. We still have to modify the IE anyway to add WMM
stuff.

Mark

-- 
Mark Powell                              mailto:Mark.Powell@csr.com
Group Leader, Host Drivers               Tel: +44 (0)1223 692000
CSR, Business Park, Cowley Road, Cambridge, CB24 0WZ, UK



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