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authorJohannes Berg <johannes.berg@intel.com>2011-09-29 16:04:34 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-09-30 15:57:16 -0400
commitce662b44ce22e3e8886104d5feb2a451d7ba560f (patch)
treeeb584058dec73807f192fc19725adfece5bad539 /net/mac80211/sta_info.h
parent47086fc51aa2220f58049704a8b73e4fcdf372b9 (diff)
downloadblackbird-op-linux-ce662b44ce22e3e8886104d5feb2a451d7ba560f.tar.gz
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mac80211: send (QoS) Null if no buffered frames
For PS-poll, there's a possible race between us expiring a frame and the station polling for it -- send it a null frame in that case. For uAPSD, the standard says that we have to send a frame in each SP, so send null if we don't have any other frames. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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