new file mode 100644
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright(c) 2019-2021, Celeno Communications Ltd. */
+
+#ifndef CL_WRS_H
+#define CL_WRS_H
+
+#include "wrs/wrs_db.h"
+#include "hw.h"
+
+/**
+ * WRS (=Weighted Rate Selection)
+ */
+
+void cl_wrs_init(struct cl_hw *cl_hw);
+void cl_wrs_lock_bh(struct cl_wrs_db *wrs_db);
+void cl_wrs_unlock_bh(struct cl_wrs_db *wrs_db);
+void cl_wrs_lock(struct cl_wrs_db *wrs_db);
+void cl_wrs_unlock(struct cl_wrs_db *wrs_db);
+void cl_wrs_fixed_rate_set(struct cl_hw *cl_hw, struct cl_wrs_db *wrs_db,
+ struct cl_wrs_sta *wrs_sta, struct cl_wrs_params *wrs_params,
+ u8 is_fixed_rate, u8 mode, u8 bw, u8 nss, u8 mcs, u8 gi);
+void cl_wrs_tx_param_sync(struct cl_wrs_db *wrs_db, struct cl_wrs_sta *wrs_sta,
+ struct cl_wrs_params *wrs_params);
+void cl_wrs_tx_params_update(struct cl_hw *cl_hw, struct cl_wrs_db *wrs_db,
+ struct cl_wrs_sta *wrs_sta, struct cl_wrs_params *wrs_params,
+ u16 new_rate_idx, bool is_sync_required);
+void cl_wrs_decision_make(struct cl_hw *cl_hw, struct cl_wrs_db *wrs_db,
+ struct cl_wrs_sta *wrs_sta, struct cl_wrs_params *wrs_params,
+ enum cl_wrs_decision decision, u16 new_rate_idx);
+void cl_wrs_decision_update(struct cl_wrs_db *wrs_db, struct cl_wrs_sta *wrs_sta,
+ struct cl_wrs_params *wrs_params, enum cl_wrs_decision decision,
+ u16 new_rate_idx);
+void cl_wrs_quick_down_check(struct cl_hw *cl_hw, struct cl_wrs_db *wrs_db,
+ struct cl_wrs_sta *wrs_sta, struct cl_wrs_params *wrs_params);
+bool cl_wrs_up_mcs1(struct cl_hw *cl_hw, struct cl_wrs_db *wrs_db,
+ struct cl_wrs_sta *wrs_sta, struct cl_wrs_params *wrs_params);
+void cl_wrs_tx_param_set(struct cl_hw *cl_hw, struct cl_wrs_sta *wrs_sta,
+ struct cl_wrs_params *wrs_params,
+ struct cl_wrs_tx_params *tx_params,
+ struct cl_wrs_rate *rate_fallback);
+s8 cl_wrs_rssi_eq_calc(struct cl_hw *cl_hw, struct cl_wrs_sta *wrs_sta,
+ bool read_clear, s8 *sorted_rssi);
+void cl_wrs_tx_cntrs_reset(struct cl_wrs_sta *wrs_sta, struct cl_wrs_params *wrs_params);
+
+#endif /* CL_WRS_H */