commit 77be2c54 upstream.

This will allow the low level driver to make decision based
on the vif such as queues etc...
Since the vif might be NULL, we can't add it to the tracing
functions.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
[fix staging rtl8821ae driver]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
[ kamal: 3.13-stable prereq backport (omitted rtl8821ae) for
  a0855054 iwlwifi: dvm: drop non VO frames when flushing ]
Signed-off-by: Kamal Mostafa <kamal@canonical.com>