On Wed, 2011-01-26 at 18:21 +0900, Bruno Randolf wrote:
> On Wed January 26 2011 17:29:48 Johannes Berg wrote:
> > On Wed, 2011-01-26 at 11:38 +0900, Bruno Randolf wrote:
> > > Even without my patch, WEP does not work with multiple vifs.
> > > (As far as i understand it, with WEP the lookup is just done based on the
> > > key index in the WLAN header field. mac80211 (or is it hostapd?) sets up
> > > both keys for both interfaces with a key index of 0, which causes the
> > > lookup to go to the same key for both vifs. I guess mac80211 or hostapd
> > > would need to be changed to use different key indices for different vif
> > > WEP keys, but then of course we can only use 4 different WEP keys in
> > > sum, and not 4 different WEP keys per vif. No big deal imho.)
> > 
> > Are you saying software WEP in mac80211 is broken with multiple VIFs? I
> > find that hard to believe :-)
> 
> No, i'm talking about the combination of HW encryption in ath5k and mac80211. 
> I never tested mac80211 software WEP alone with multiple VIFs.

But wasn't Jouni saying that ath9k currently uses SW crypto so that it
doesn't have to worry about any of this -- and that that would be
broken?

johannes

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