qcacld-3.0: Implement interface to set WLM level

WLAN Latency module (WLM) is added by fw to gain latency
because of schedule out of service like power saving,
scanning, roaming etc. per the level set by framework.

Change-Id: Id4305e5e66dcce464447aff56296c7d027347ea2
CRs-Fixed: 2142391

1 files changed, 42 insertions, 0 deletions

diff --git a/uapi/linux/qca_vendor.h b/uapi/linux/qca_vendor.h
index ba6457052598..50868fd45136 100644
--- a/uapi/linux/qca_vendor.h
+++ b/uapi/linux/qca_vendor.h
@@ -3192,6 +3192,12 @@ enum qca_wlan_vendor_attr_config {
 	 * enable/disable all fils features.
 	 * 0-enable, 1-disable */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS = 54,
+
+	/* 16-bit unsigned value to configure the level of WLAN latency
+	 * module. See enum qca_wlan_vendor_attr_config_latency_level.
+	 */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL = 55,
+
 	QCA_WLAN_VENDOR_ATTR_CONFIG_AFTER_LAST,
 	QCA_WLAN_VENDOR_ATTR_CONFIG_MAX =
 	QCA_WLAN_VENDOR_ATTR_CONFIG_AFTER_LAST - 1,
@@ -5071,6 +5077,42 @@ enum qca_wlan_vendor_attr_spectral_scan {
 		QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_AFTER_LAST - 1,
 };
 
+/**
+ * enum qca_wlan_vendor_attr_config_latency_level - Level for
+ * wlan latency module.
+ *
+ * There will be various of Wi-Fi functionality like scan/roaming/adaptive
+ * power saving which would causing data exchange out of service, this
+ * would be a big impact on latency. For latency sensitive applications over
+ * Wi-Fi are intolerant to such operations and thus would configure them
+ * to meet their respective needs. It is well understood by such applications
+ * that altering the default behavior would degrade the Wi-Fi functionality
+ * w.r.t the above pointed WLAN operations.
+ *
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_NORMAL:
+ *	Default WLAN operation level which throughput orientated.
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_MODERATE:
+ *	Use moderate level to improve latency by limit scan duration.
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_LOW:
+ *	Use low latency level to benifit application like concurrent
+ *	downloading or video streaming via constraint scan/adaptive PS.
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_ULTRALOW:
+ *	Use ultra low latency level to benefit for gaming/voice
+ *	application via constraint scan/roaming/adaptive PS.
+ */
+enum qca_wlan_vendor_attr_config_latency_level {
+	QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_INVALID = 0,
+	QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_NORMAL = 1,
+	QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_MODERATE = 2,
+	QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_LOW = 3,
+	QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_ULTRALOW = 4,
+
+	/* keep last */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_AFTER_LAST,
+	QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_MAX =
+	QCA_WLAN_VENDOR_ATTR_CONFIG_LATENCY_LEVEL_AFTER_LAST - 1,
+};
+
 #if !(defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) &&	\
 	(LINUX_VERSION_CODE < KERNEL_VERSION(4, 1, 0)) &&	\
 	!(defined(WITH_BACKPORTS))