mac80211: Add debugfs callbacks for station addition/removal

Provide drivers with hooks to create debugfs files when
a new station is added. This would help drivers to take
advantage of mac80211's station list infrastructure and not maintain
tedious station management code internally.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
[ifdef inline wrapper functions]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index d11037b5b85..e1293c7e4d2 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2208,6 +2208,14 @@ enum ieee80211_rate_control_changed {
  * @sta_remove: Notifies low level driver about removal of an associated
  *      station, AP, IBSS/WDS/mesh peer etc. This callback can sleep.
  *
+ * @sta_add_debugfs: Drivers can use this callback to add debugfs files
+ *      when a station is added to mac80211's station list. This callback
+ *      and @sta_remove_debugfs should be within a CONFIG_MAC80211_DEBUGFS
+ *      conditional. This callback can sleep.
+ *
+ * @sta_remove_debugfs: Remove the debugfs files which were added using
+ *      @sta_add_debugfs. This callback can sleep.
+ *
  * @sta_notify: Notifies low level driver about power state transition of an
  *      associated station, AP,  IBSS/WDS/mesh peer etc. For a VIF operating
  *      in AP mode, this callback will not be called when the flag
@@ -2489,6 +2497,16 @@ struct ieee80211_ops {
                        struct ieee80211_sta *sta);
         int (*sta_remove)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                           struct ieee80211_sta *sta);
+#ifdef CONFIG_MAC80211_DEBUGFS
+        void (*sta_add_debugfs)(struct ieee80211_hw *hw,
+                                struct ieee80211_vif *vif,
+                                struct ieee80211_sta *sta,
+                                struct dentry *dir);
+        void (*sta_remove_debugfs)(struct ieee80211_hw *hw,
+                                   struct ieee80211_vif *vif,
+                                   struct ieee80211_sta *sta,
+                                   struct dentry *dir);
+#endif
         void (*sta_notify)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                         enum sta_notify_cmd, struct ieee80211_sta *sta);
         int (*sta_state)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,