qcacmn: Set DBS scan if ndp peers are active

Currently on the STA interface if the scan
comes the driver puts it to NON-DBS scan if the
high accuracy request comes, but if the NDP
peers are active this causes a throughput loss
as scan takes much time to complete.

Fix is to do a DBS scan if the NDP peers are
attached to a NDI interface.

Change-Id: I798fd388f2bf010304ba1f6777680cf4d1f3ccfb
CRs-Fixed: 2615541

umac/scan/core/src/wlan_scan_manager.c

@@ -434,6 +434,7 @@ scm_update_dbs_scan_ctrl_ext_flag(struct scan_start_request *req)
 {
 	struct wlan_objmgr_psoc *psoc;
 	uint32_t scan_dbs_policy = SCAN_DBS_POLICY_DEFAULT;
+	bool ndi_present;
 
 	psoc = wlan_vdev_get_psoc(req->vdev);
 
@@ -447,6 +448,15 @@ scm_update_dbs_scan_ctrl_ext_flag(struct scan_start_request *req)
 		goto end;
 	}
 
+	ndi_present = policy_mgr_mode_specific_connection_count(psoc,
+								PM_NDI_MODE,
+								NULL);
+
+	if (ndi_present && !policy_mgr_is_hw_dbs_2x2_capable(psoc)) {
+		scm_debug("NDP present go for DBS scan");
+		goto end;
+	}
+
 	if (req->scan_req.scan_policy_high_accuracy) {
 		scm_debug("high accuracy scan received, going for non-dbs scan");
 		scan_dbs_policy = SCAN_DBS_POLICY_FORCE_NONDBS;
@@ -550,6 +560,8 @@ int scm_scan_get_burst_duration(int max_ch_time, bool miracast_enabled)
 	return burst_duration;
 }
 
+#define SCM_ACTIVE_DWELL_TIME_NAN      40
+
 /**
  * scm_req_update_concurrency_params() - update scan req params depending on
  * concurrent mode present.
@@ -759,6 +771,17 @@ static void scm_req_update_concurrency_params(struct wlan_objmgr_vdev *vdev,
 					req->scan_req.dwell_time_active;
 		}
 	}
+
+	if (ndi_present) {
+		req->scan_req.dwell_time_active =
+			QDF_MIN(req->scan_req.dwell_time_active,
+				SCM_ACTIVE_DWELL_TIME_NAN);
+		req->scan_req.dwell_time_active_2g =
+			QDF_MIN(req->scan_req.dwell_time_active_2g,
+			SCM_ACTIVE_DWELL_TIME_NAN);
+		scm_debug("NDP active modify dwell time 2ghz %d",
+			req->scan_req.dwell_time_active_2g);
+	}
 }
 
 /**