tree 6bf4000f54b57078fe9f019f2959f4a1ae66c948
parent 6e70d560ff44beddabb43d7ff39cc008e5b35536
author Emmanuel Grumbach <emmanuel.grumbach@intel.com> 1429559617 +0300
committer Johannes Berg <johannes.berg@intel.com> 1429871100 +0200

mac80211: notify the driver upon BAR Rx

When we receive a BAR, this typically means that our peer
doesn't hear our Block-Acks or that we can't hear its
frames. Either way, it is a good indication that the link
is in a bad condition. This is why it can serve as a probe
to the driver.
Use the event_callback callback for this.
Since more events with the same data will be added in the
feature, the structure that describes the data attached to
the event is called in a generic name: ieee80211_ba_event.

This also means that from now on, the event_callback can't
sleep.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>