Rui Paulo 2bc3bd71de Some odd APs send beacons on the same TX queue as non-beacons. This breaks
802.11 duplicate detection. Upon looking at the standard, we discover
that 802.11-2007 says:
"A receiving QoS STA is also required to keep only the most recent
cache entry per<Address 2, TID, sequence-number>  triple, storing only
the most recently received fragment number for that triple. A receiving
STA may omit tuples obtained from broadcast/multicast or ATIM frames
from the cache."

To fix this, we just disable duplicate detection for multicast/broadcast
frames.

Reviewed by:	sam
MFC after:	4 weeks
Obtained from:	DragonFly
2010-06-10 20:58:34 +00:00
..
2010-05-24 07:04:00 +00:00
2010-06-09 12:30:40 +00:00
2010-05-24 16:41:05 +00:00
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