tree c585b1b4d2d8bace46f566df7010005e4f49ee9a
parent 7df29ead86c521daeec311a30c6fabdfb9963dc0
author Felix Fietkau <nbd@nbd.name> 1543441156 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1544689230 +0100

mac80211: fix reordering of buffered broadcast packets

commit 9ec1190d065998650fd9260dea8cf3e1f56c0e8c upstream.

If the buffered broadcast queue contains packets, letting new packets bypass
that queue can lead to heavy reordering, since the driver is probably throttling
transmission of buffered multicast packets after beacons.

Keep buffering packets until the buffer has been cleared (and no client
is in powersave mode).

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>