mac80211: report OBSS beacons

If there's an interface in AP mode, OBSS beacons
are needed by hostapd/wpa_s to implement logic to
enable/disable protection etc. Report the frames
and set the capability flag.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index e832e0dcab3c..2ed882f8a9f8 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2188,6 +2188,18 @@ ieee80211_rx_h_mgmt_check(struct ieee80211_rx_data *rx)
         if (!ieee80211_is_mgmt(mgmt->frame_control))
                 return RX_DROP_MONITOR;
 
+        if (rx->sdata->vif.type == NL80211_IFTYPE_AP &&
+            ieee80211_is_beacon(mgmt->frame_control) &&
+            !(rx->flags & IEEE80211_RX_BEACON_REPORTED)) {
+                struct ieee80211_rx_status *status;
+
+                status = IEEE80211_SKB_RXCB(rx->skb);
+                cfg80211_report_obss_beacon(rx->local->hw.wiphy,
+                                            rx->skb->data, rx->skb->len,
+                                            status->freq, GFP_ATOMIC);
+                rx->flags |= IEEE80211_RX_BEACON_REPORTED;
+        }
+
         if (!(status->rx_flags & IEEE80211_RX_RA_MATCH))
                 return RX_DROP_MONITOR;