mac80211: fix reorder issues with multicast packets (client mode)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 38883

package/kernel/mac80211/patches/300-pending_work.patch

@@ -3178,6 +3178,16 @@
  
  	/* check if we already stored this frame */
  	if (tid_agg_rx->reorder_buf[index]) {
+@@ -911,7 +903,8 @@ static void ieee80211_rx_reorder_ampdu(s
+ 	u16 sc;
+ 	u8 tid, ack_policy;
+ 
+-	if (!ieee80211_is_data_qos(hdr->frame_control))
++	if (!ieee80211_is_data_qos(hdr->frame_control) ||
++	    is_multicast_ether_addr(hdr->addr1))
+ 		goto dont_reorder;
+ 
+ 	/*
 --- a/net/mac80211/scan.c
 +++ b/net/mac80211/scan.c
 @@ -526,7 +526,7 @@ static int __ieee80211_start_scan(struct