cfg80211: allow using CQM event to notify packet loss

This adds the ability for drivers to use CQM events
to notify about packet loss for specific stations
(which could be the AP for the managed mode case).
Since the threshold might be determined by the
driver (it isn't passed in right now) it will be
passed out of the driver to userspace in the event.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 037b4e498890..d706bf3badc8 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1819,6 +1819,8 @@ enum nl80211_ps_state {
  *      the minimum amount the RSSI level must change after an event before a
  *      new event may be issued (to reduce effects of RSSI oscillation).
  * @NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT: RSSI threshold event
+ * @NL80211_ATTR_CQM_PKT_LOSS_EVENT: a u32 value indicating that this many
+ *      consecutive packets were not acknowledged by the peer
  * @__NL80211_ATTR_CQM_AFTER_LAST: internal
  * @NL80211_ATTR_CQM_MAX: highest key attribute
  */
@@ -1827,6 +1829,7 @@ enum nl80211_attr_cqm {
         NL80211_ATTR_CQM_RSSI_THOLD,
         NL80211_ATTR_CQM_RSSI_HYST,
         NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
+        NL80211_ATTR_CQM_PKT_LOSS_EVENT,
 
         /* keep last */
         __NL80211_ATTR_CQM_AFTER_LAST,