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Re: [PATCH 3.5] cfg80211: enforce lack of interface combinations

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On Thu, 2012-03-15 at 14:32 +0530, Vasanthakumar Thiagarajan wrote:
> On Thu, Mar 15, 2012 at 09:58:27AM +0100, Johannes Berg wrote:
> > On Thu, 2012-03-15 at 14:27 +0530, Vasanthakumar Thiagarajan wrote:
> > > On Thu, Mar 15, 2012 at 09:51:28AM +0100, Johannes Berg wrote:
> > > > On Thu, 2012-03-15 at 14:12 +0530, Vasanthakumar Thiagarajan wrote:
> > > > > On Tue, Mar 13, 2012 at 04:06:03PM +0100, Johannes Berg wrote:
> > > > > > From: Johannes Berg <johannes.berg@xxxxxxxxx>
> > > > > > 
> > > > > > My grand plan to allow drivers to gradually move over
> > > > > > to advertising virtual interface combinations and only
> > > > > > enforce with drivers that do want it enforced doesn't
> > > > > > seem to be working out, only Christian ever added the
> > > > > > advertising (to carl9170), nobody else did.
> > > > > > 
> > > > > > Begin enforcing combinations in cfg80211 so that users
> > > > > > can rely on the information reported about a device.
> > > > > 
> > > > > This breaks ath6kl AP mode and P2P, is it expected that the driver
> > > > > needs to register the combination (?) even it supports a single
> > > > > interface?
> > > > 
> > > > Kalle tells me that ath6kl does support multiple virtual interfaces, but
> > > > if it didn't then it wouldn't have to register combinations.
> > > > 
> > > > I suspect you're using
> > > > driver_param=use_p2p_group_interface=1
> > > > in wpa_supplicant?
> > > 
> > > Actually, I verified only AP mode, since it affects any sort of change interface,
> > > I mentioned P2P as well. AP is expected to work without any issue right?.
> > 
> > As long as you don't try to add the AP interface as the second one...
> 
> Right, I'm trying on a single interface.

Hmm, ok, looking at the code again it seems there's a bug ... let me try
to fix it.

johannes

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