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Re: [PATCHv2 1/2] mac80211: export ieee80211_send_deauth_disassoc for usage outside of mlme.c

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On Fri, 2012-09-07 at 14:01 +0200, Nicolas Cavallari wrote:

> >> Or just never set TX_INTFL_DONT_ENCRYPT at all and rely on
> >> ieee80211_tx_h_select_key() to do the right thing ?
> > 
> > I don't think it can do the right thing, it doesn't check whether MFP is
> > enabled or not...
> 
> It does; The first part try to encrypt everything, the second part
> disable encryption if ccmp is selected and !ieee80211_is_data_present &&
> !ieee80211_use_mfp,
> which test, among other things, for the sta's WLAN_STA_MFP flag if sta
> != null.

Good point.

> If tx_h_select_key does not select the right key in this case, i think
> we have bigger problems.

Maybe, maybe not. But it looks like it would be safe.

> > unless you want to test all those cases I'd rather not
> > change it :)
> 
> Not worth the trouble in this case, but i think there is too much code
> that sets TX_INTFL_DONT_ENCRYPT when it shouldn't.

I already applied the v3 patchset, but even if I hadn't I'd say it
should be a separate patch(set), want to send some patches to remove
them? :)

johannes

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