wlan: Defer scan if back to back scan on STA interface.
If there is scan on STA interface back to back with
time diff nDeferScanTimeInterval, driver will not
issue a new scan. Driver will return previous result to kernel.
CRs-Fixed: 757773
Change-Id: I09e9b23f64d959ef5846096cdae810f84b8a1b97
diff --git a/CORE/HDD/inc/wlan_hdd_cfg.h b/CORE/HDD/inc/wlan_hdd_cfg.h
index 57c7d3d..0b91627 100644
--- a/CORE/HDD/inc/wlan_hdd_cfg.h
+++ b/CORE/HDD/inc/wlan_hdd_cfg.h
@@ -220,6 +220,16 @@
#define CFG_IMPS_MAXIMUM_SLEEP_TIME_MAX ( 65535 )
#define CFG_IMPS_MAXIMUM_SLEEP_TIME_DEFAULT ( 15 )
+/*If there is scan on STA interface back to back with
+ *time diff nDeferScanTimeInterval, driver will not
+ *issue a new scan. Driver will return cached result to kernel.
+ *the interval is in msec
+ */
+#define CFG_DEFER_SCAN_TIME_INTERVAL "gDeferScanTimeInterval"
+#define CFG_DEFER_SCAN_TIME_INTERVAL_MIN ( 0 )
+#define CFG_DEFER_SCAN_TIME_INTERVAL_MAX ( 65535 )
+#define CFG_DEFER_SCAN_TIME_INTERVAL_DEFAULT ( 2000 )
+
//BMPS = BeaconModePowerSave
#define CFG_ENABLE_BMPS_NAME "gEnableBmps"
#define CFG_ENABLE_BMPS_MIN ( 0 )
@@ -2400,6 +2410,7 @@
v_BOOL_t ShortSlotTimeEnabled;
v_BOOL_t Is11dSupportEnabled;
v_BOOL_t Is11hSupportEnabled;
+ v_U32_t nDeferScanTimeInterval;
v_BOOL_t fEnforce11dChannels;
v_BOOL_t fSupplicantCountryCodeHasPriority;
v_BOOL_t fEnforceCountryCodeMatch;