mac80211: drop control frames after processing

After ieee80211_rx_h_ctrl() processing we only want to process management (including action) frames, so there's no point in letting control frames continue. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: John W. Linville <[email protected]>
vbatts · Jun 3, 2010 · 08daeca · 08daeca
1 parent e0961f1
commit 08daeca
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
@@ -1844,7 +1844,12 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames)
 		return RX_QUEUED;
 	}
 
-	return RX_CONTINUE;
+	/*
+	 * After this point, we only want management frames,
+	 * so we can drop all remaining control frames to
+	 * cooked monitor interfaces.
+	 */
+	return RX_DROP_MONITOR;
 }
 
 static void ieee80211_process_sa_query_req(struct ieee80211_sub_if_data *sdata,