Add new QCA vendor attributes to get thermal level

Add new QCA vendor attributes to get thermal level from the driver. The
driver may return thermal level when userpace requests, or send a
thermal event when thermal level changes.

Signed-off-by: Hu Wang <huw@codeaurora.org>

src/common/qca-vendor.h

@@ -6808,8 +6808,9 @@ enum qca_wlan_vendor_attr_wake_stats {
 
 /**
  * enum qca_wlan_vendor_thermal_level - Defines various thermal levels
- * configured by userspace to the driver/firmware. The values will be
- * encapsulated in QCA_WLAN_VENDOR_ATTR_THERMAL_LEVEL attribute.
+ * configured by userspace to the driver/firmware.
+ * The values can be encapsulated in QCA_WLAN_VENDOR_ATTR_THERMAL_LEVEL or
+ * QCA_WLAN_VENDOR_ATTR_THERMAL_EVENT_LEVEL attribute.
  * The driver/firmware takes actions requested by userspace such as throttling
  * wifi TX etc. in order to mitigate high temperature.
  *
@@ -6843,8 +6844,9 @@ enum qca_wlan_vendor_attr_thermal_cmd {
 	 */
 	QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_VALUE = 1,
 	/* Userspace uses this attribute to configure thermal level to the
-	 * driver/firmware. Used in request, u32 attribute, possible values
-	 * are defined in enum qca_wlan_vendor_thermal_level.
+	 * driver/firmware, or get thermal level from the driver/firmware.
+	 * Used in request or response, u32 attribute,
+	 * possible values are defined in enum qca_wlan_vendor_thermal_level.
 	 */
 	QCA_WLAN_VENDOR_ATTR_THERMAL_LEVEL = 2,
 	/* Userspace uses this attribute to configure the time in which the
@@ -6882,6 +6884,9 @@ enum qca_wlan_vendor_attr_thermal_cmd {
  * resume action.
  * @QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_TYPE_SET_LEVEL: Configure thermal level to
  * the driver/firmware.
+ * @QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_TYPE_GET_LEVEL: Request to get the current
+ * thermal level from the driver/firmware. The driver should respond with a
+ * thermal level defined in enum qca_wlan_vendor_thermal_level.
  */
 enum qca_wlan_vendor_attr_thermal_cmd_type {
 	QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_TYPE_GET_PARAMS,
@@ -6889,6 +6894,7 @@ enum qca_wlan_vendor_attr_thermal_cmd_type {
 	QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_TYPE_SUSPEND,
 	QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_TYPE_RESUME,
 	QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_TYPE_SET_LEVEL,
+	QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_TYPE_GET_LEVEL,
 };
 
 /**
@@ -6971,6 +6977,11 @@ enum qca_wlan_vendor_attr_thermal_event {
 	 * NLA_FLAG attribute.
 	 */
 	QCA_WLAN_VENDOR_ATTR_THERMAL_EVENT_RESUME_COMPLETE,
+	/* Thermal level from the driver.
+	 * u32 attribute. Possible values are defined in
+	 * enum qca_wlan_vendor_thermal_level.
+	 */
+	QCA_WLAN_VENDOR_ATTR_THERMAL_EVENT_LEVEL = 3,
 
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_THERMAL_EVENT_AFTER_LAST,