ath9k_htc: Add a new WMI command to set a rate mask

This patch adds WMI_BITRATE_MASK_CMDID which can be
used by the set_bitrate_mask() handler.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/htc.h

@@ -171,6 +171,13 @@ struct ath9k_htc_target_rate {
 	struct ath9k_htc_rate rates;
 };
 
+struct ath9k_htc_target_rate_mask {
+	u8 vif_index;
+	u8 band;
+	__be32 mask;
+	u16 pad;
+} __packed;
+
 struct ath9k_htc_target_int_stats {
 	__be32 rx;
 	__be32 rxorn;

drivers/net/wireless/ath/ath9k/wmi.c

@@ -79,6 +79,8 @@ static const char *wmi_cmd_to_name(enum wmi_cmd_id wmi_cmd)
 		return "WMI_TX_STATS_CMDID";
 	case WMI_RX_STATS_CMDID:
 		return "WMI_RX_STATS_CMDID";
+	case WMI_BITRATE_MASK_CMDID:
+		return "WMI_BITRATE_MASK_CMDID";
 	}
 
 	return "Bogus";

drivers/net/wireless/ath/ath9k/wmi.h

@@ -111,6 +111,7 @@ enum wmi_cmd_id {
 	WMI_INT_STATS_CMDID,
 	WMI_TX_STATS_CMDID,
 	WMI_RX_STATS_CMDID,
+	WMI_BITRATE_MASK_CMDID,
 };
 
 enum wmi_event_id {