[MAC80211]: Add debugfs attributes.

Export various mac80211 internal variables through debugfs.

Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 22 insertions, 0 deletions

diff --git a/net/mac80211/ieee80211_rate.h b/net/mac80211/ieee80211_rate.h
index 710f5685cedd..f021a028d9d0 100644
--- a/net/mac80211/ieee80211_rate.h
+++ b/net/mac80211/ieee80211_rate.h
@@ -56,6 +56,9 @@ struct rate_control_ops {
 
         int (*add_attrs)(void *priv, struct kobject *kobj);
         void (*remove_attrs)(void *priv, struct kobject *kobj);
+        void (*add_sta_debugfs)(void *priv, void *priv_sta,
+                                struct dentry *dir);
+        void (*remove_sta_debugfs)(void *priv, void *priv_sta);
 };
 
 struct rate_control_ref {
@@ -119,4 +122,23 @@ static inline void rate_control_free_sta(struct rate_control_ref *ref,
         ref->ops->free_sta(ref->priv, priv);
 }
 
+static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
+{
+#ifdef CONFIG_MAC80211_DEBUGFS
+        struct rate_control_ref *ref = sta->rate_ctrl;
+        if (sta->debugfs.dir && ref->ops->add_sta_debugfs)
+                ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
+                                          sta->debugfs.dir);
+#endif
+}
+
+static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
+{
+#ifdef CONFIG_MAC80211_DEBUGFS
+        struct rate_control_ref *ref = sta->rate_ctrl;
+        if (ref->ops->remove_sta_debugfs)
+                ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
+#endif
+}
+
 #endif /* IEEE80211_RATE_H */