On Tue, 2014-12-23 at 16:34 +0100, Arend van Spriel wrote:
> On 12/23/14 15:53, Johannes Berg wrote:
> > On Wed, 2014-12-24 at 01:35 +0530, Avinash Patil wrote:
> >> Checking for carrier state during start_radar_detection is needed
> >> only for devices which support offchannel CAC.
> >> This patch adds one more condition while checking for carrier state
> >> to see if offchanel CAC is supported, else we need not check carrier
> >> state.
> >>
> >> Signed-off-by: Avinash Patil<patila@xxxxxxxxxxx>
> >> ---
> >> include/net/cfg80211.h | 2 ++
> >> net/wireless/nl80211.c | 3 ++-
> >> 2 files changed, 4 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
> >> index 4ebb816..1b80302 100644
> >> --- a/include/net/cfg80211.h
> >> +++ b/include/net/cfg80211.h
> >> @@ -2740,6 +2740,7 @@ struct cfg80211_ops {
> >> * @WIPHY_FLAG_SUPPORTS_5_10_MHZ: Device supports 5 MHz and 10 MHz channels.
> >> * @WIPHY_FLAG_HAS_CHANNEL_SWITCH: Device supports channel switch in
> >> * beaconing mode (AP, IBSS, Mesh, ...).
> >> + * @WIPHY_FLAG_OFFCHAN_CAC: Device supports offchannel CAC.
> >
> > I think this should be an nl80211 feature flag, so that userspace can
> > also know whether or not this is supported.
> >
> > However, we've run out of nl80211 feature flags. Arend is working on
> > adding more, see here:
> > http://mid.gmane.org/1418935344-22159-1-git-send-email-arend@xxxxxxxxxxxx
> > (ignore the 4-way-HS offload bit he's defining)
> >
> > I'm not sure how to proceed here - in a sense your feature flag is far
> > less controversial and work-intensive than Arend's (who needs a lot more
> > than just that patch) so I guess you could pick up his patch, but I
> > expect him to also have fixed already. He's probably also on vacation
> > for about the same time though...
>
> Not on vacation just yet. I indeed reworked the patch, but I was waiting
> for wpa_supplicant patches so I can verify it works with brcmfmac. I can
> submit the reworked feature flag patch with empty enum if that would work.
Maybe if you were to do that Avinash could resubmit it again with the
feature flag they need.
johannes
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