qcacld-3.0: Add vdev start check before sending arp_ns stats cmd to fw

Add vdev start check such that host does not send ARP_NS stats command
to FW when vdev is already stopped.

Change-Id: I94c0b4c26db3f48c7b2de1ad3003c0f0520fa396
CRs-Fixed: 2621587

core/wma/inc/wma_internal.h

@@ -1798,6 +1798,16 @@ int wma_fill_beacon_interval_reset_req(tp_wma_handle wma, uint8_t vdev_id,
  */
 bool wma_is_vdev_valid(uint32_t vdev_id);
 
+/*
+ * wma_is_vdev_started() - check whether vdev is started or not
+ * @vdev: pointer to vdev object
+ *
+ * This function verifies the vdev is started nor not
+ *
+ * Return: 'true' if vdev is started else 'false'
+ */
+bool wma_is_vdev_started(struct wlan_objmgr_vdev *vdev);
+
 /**
  * wma_vdev_obss_detection_info_handler - event handler to handle obss detection
  * @handle: the wma handle