qcacld-3.0: Set Reliable Scan Flag for ACS Scan

ACS Scan requires reliable scan policy for valid results.
Set the flag to trigger reliable scan for ACS.

CRs-Fixed: 3627456
Change-Id: I269058f567f923396a67d7c36bdb839607d26c5c

core/sap/src/sap_fsm.c

@@ -1403,6 +1403,21 @@ void sap_reset_clean_freq_array(struct sap_context *sap_context)
 {}
 #endif
 
+/**
+ * wlansap_set_aux_scan_ctrl_ext_flag() – update aux scan policy
+ * @req: pointer to scan request
+ *
+ * Set aux scan bits in scan_ctrl_ext_flag value depending on scan type.
+ *
+ * Return: None
+ */
+static void wlansap_set_aux_scan_ctrl_ext_flag(struct scan_start_request  *req)
+{
+	sap_debug("Set Reliable Scan Flag");
+	req->scan_req.scan_ctrl_flags_ext |=
+			SCAN_FLAG_EXT_AUX_RELIABLE_SCAN;
+}
+
 QDF_STATUS sap_channel_sel(struct sap_context *sap_context)
 {
 	QDF_STATUS qdf_ret_status;
@@ -1536,6 +1551,9 @@ QDF_STATUS sap_channel_sel(struct sap_context *sap_context)
 		}
 
 		sap_context->acs_req_timestamp = qdf_get_time_of_the_day_ms();
+
+		if (wlan_scan_get_aux_support(mac_ctx->psoc))
+			wlansap_set_aux_scan_ctrl_ext_flag(req);
 		qdf_ret_status = wlan_scan_start(req);
 		if (qdf_ret_status != QDF_STATUS_SUCCESS) {
 			sap_err("scan request  fail %d!!!", qdf_ret_status);