qcacmn: Add changes for RDK statistics

Change API signature for dp_getrateindex to populate rate index
and add additional stats required for RDK.
Add QDF abstraction for EWMA average rssi

CRs-Fixed: 2397918
Change-Id: Id878971799c5df2ae60057a86b2769724ee0dcc5

qdf/linux/src/i_qdf_util.h

@@ -172,11 +172,13 @@ static inline bool __qdf_is_macaddr_equal(struct qdf_mac_addr *mac_addr1,
 #define __QDF_DECLARE_EWMA(name, _factor, _weight)
 
 #define __qdf_ewma_tx_lag int
+#define __qdf_ewma_rx_rssi int
 #else
 #define __QDF_DECLARE_EWMA(name, _factor, _weight) \
 	DECLARE_EWMA(name, _factor, _weight)
 
 #define __qdf_ewma_tx_lag struct ewma_tx_lag
+#define __qdf_ewma_rx_rssi struct ewma_rx_rssi
 #endif
 
 #define __qdf_ffz(mask) (~(mask) == 0 ? -1 : ffz(mask))
@@ -253,6 +255,10 @@ static inline bool __qdf_is_macaddr_equal(struct qdf_mac_addr *mac_addr1,
 #define  __qdf_ewma_tx_lag_init(tx_lag)
 #define  __qdf_ewma_tx_lag_add(tx_lag, value)
 #define  __qdf_ewma_tx_lag_read(tx_lag)
+
+#define  __qdf_ewma_rx_rssi_init(rx_rssi)
+#define  __qdf_ewma_rx_rssi_add(rx_rssi, value)
+#define  __qdf_ewma_rx_rssi_read(rx_rssi)
 #else
 #define  __qdf_ewma_tx_lag_init(tx_lag) \
 	ewma_tx_lag_init(tx_lag)
@@ -262,6 +268,15 @@ static inline bool __qdf_is_macaddr_equal(struct qdf_mac_addr *mac_addr1,
 
 #define  __qdf_ewma_tx_lag_read(tx_lag) \
 	ewma_tx_lag_read(tx_lag)
+
+#define  __qdf_ewma_rx_rssi_init(rx_rssi) \
+	ewma_rx_rssi_init(rx_rssi)
+
+#define  __qdf_ewma_rx_rssi_add(rx_rssi, value) \
+	ewma_rx_rssi_add(rx_rssi, value)
+
+#define  __qdf_ewma_rx_rssi_read(rx_rssi) \
+	ewma_rx_rssi_read(rx_rssi)
 #endif
 
 #ifdef QCA_CONFIG_SMP