1 files changed, 13 insertions, 0 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 31fd8bab2173..e01c63aad66c 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1975,6 +1975,16 @@ struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw,
 /* Rate control API */
 
 /**
+ * enum rate_control_changed - flags to indicate which parameter changed
+ *
+ * @IEEE80211_RC_HT_CHANGED: The HT parameters of the operating channel have
+ *      changed, rate control algorithm can update its internal state if needed.
+ */
+enum rate_control_changed {
+        IEEE80211_RC_HT_CHANGED = BIT(0)
+};
+
+/**
  * struct ieee80211_tx_rate_control - rate control information for/from RC algo
  *
  * @hw: The hardware the algorithm is invoked for.
@@ -2010,6 +2020,9 @@ struct rate_control_ops {
         void *(*alloc_sta)(void *priv, struct ieee80211_sta *sta, gfp_t gfp);
         void (*rate_init)(void *priv, struct ieee80211_supported_band *sband,
                           struct ieee80211_sta *sta, void *priv_sta);
+        void (*rate_update)(void *priv, struct ieee80211_supported_band *sband,
+                            struct ieee80211_sta *sta,
+                            void *priv_sta, u32 changed);
         void (*free_sta)(void *priv, struct ieee80211_sta *sta,
                          void *priv_sta);