[PATCH 1/2] p2p: disable 11b rates only on p2p interface creation

[Johannes Berg]

On Thu, 2011-10-20 at 16:15 +0530, Rajkumar Manoharan wrote:
> On Thu, Oct 20, 2011 at 11:33:02AM +0200, Johannes Berg wrote:
> > On Thu, 2011-10-20 at 14:51 +0530, Rajkumar Manoharan wrote:
> > 
> > > > We have the no-CCK thing in the kernel, did you ever make corresponding
> > > > patches for wpa_supplicant?
> > 
> > > Sorry for the delayed response. I already posted the corresponding patch
> > > for mgmt frame and scan trigger to make use of no-CCK attribute. But not
> > > yet merged into hostap tree.
> > > 
> > > "nl80211: Add support to disable CCK rate for p2p probe and frames".
> > 
> > Oh, I missed that, thanks. But I'm a bit confused which patches should
> > be applied now?
> >
> The above mentioned patch alone. because removing disable_11b_rates() from p2p_init
> might affect firmware based drivers like ath9k_htc. So for the drivers that have
> rate control in the firmware, we can disable 11b rates at init. Somwhow we need
> to expose the driver capabilities to wpa_s to identify this. For other drivers
> 11b rates can be disabled on iface change. Is that fine?

Even there I'm not convinced -- are those drivers not going to support
multiple virtual interfaces?

johannes