mac80211: drop retransmitted data frames from the cooked monitor interface - reduces CPU usage

SVN-Revision: 25358

package/mac80211/patches/560-mac80211_cmntr_drop_retransmissions.patch

@@ -0,0 +1,11 @@
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -798,7 +798,7 @@ ieee80211_rx_h_check(struct ieee80211_rx
+ 				rx->local->dot11FrameDuplicateCount++;
+ 				rx->sta->num_duplicates++;
+ 			}
+-			return RX_DROP_MONITOR;
++			return RX_DROP_UNUSABLE;
+ 		} else
+ 			rx->sta->last_seq_ctrl[rx->queue] = hdr->seq_ctrl;
+ 	}