[BUGFIX] iwlwifi: mvm: Disconnect on large beacon loss

Some buggy APs stop sending beacons, but continue to ack our null data
packets or even run some traffic. It's better not to stick connected to
such an AP forever, so disconnect after some larger beacon loss
threshold is crossed.

type=bugfix
ticket=jira:WIFI-13283
fixes=unknown

Change-Id: Id15ec6d5696e9c30394c517006a822986d3bea8f
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-on: https://git-amr-3.devtools.intel.com/gerrit/197125
automatic-review: ec ger unix iil jenkins <EC.GER.UNIX.IIL.JENKINS@INTEL.COM>
Tested-by: ec ger unix iil jenkins <EC.GER.UNIX.IIL.JENKINS@INTEL.COM>
Reviewed-by: Coelho, Luciano <luciano.coelho@intel.com>
x-iwlwifi-stack-dev: c3a77d7f9c63cd15e635b3c41a84532b8666c996
3 files changed