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Re: [RFC] mac80211: reply to directed probes in IBSS

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On Tue, 2011-02-08 at 16:41 +0530, Mohammed Shafi wrote:
> On Tue, Feb 1, 2011 at 6:19 PM, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:
> > From: Johannes Berg <johannes.berg@xxxxxxxxx>
> >
> > At least the WMM spec says we should reply to
> > unicast probe request frames that go to us.
> >
> > Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
> > ---
> >  net/mac80211/ibss.c |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > --- wireless-testing.orig/net/mac80211/ibss.c   2011-02-01 12:58:16.000000000 +0100
> > +++ wireless-testing/net/mac80211/ibss.c        2011-02-01 13:47:44.000000000 +0100
> > @@ -689,7 +689,7 @@ static void ieee80211_rx_mgmt_probe_req(
> >               mgmt->bssid, tx_last_beacon);
> >  #endif /* CONFIG_MAC80211_IBSS_DEBUG */
> >
> > -       if (!tx_last_beacon)
> > +       if (!tx_last_beacon && !(status->rx_flags & IEEE80211_RX_RA_MATCH))
> >                return;
> >
> >        if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
> 
> Hi Johannes,
>              tested with the same thing (in addition of passing the
> rx_status structure) and it is working fine.

Yeah, I clearly missed that, guess I wasn't paying attention.

The real question though is -- do we want/need this? I can only find
reference to this behaviour in the WMM spec.

johannes

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