qcacmn: Add API to check vdev INIT state

Add API to check if vdev is in INIT state.
Also add api to iterate vdev list and test/set flag if
vdev is in init state

Change-Id: Idfc4268fd166a583de45a0f166ff5d0ac8ec660e
CRs-Fixed: 2755257

umac/cmn_services/utils/inc/wlan_utility.h

@@ -236,6 +236,23 @@ QDF_STATUS wlan_pdev_chan_change_pending_vdevs(struct wlan_objmgr_pdev *pdev,
 					       unsigned long *vdev_id_map,
 					       wlan_objmgr_ref_dbgid dbg_id);
 
+/**
+ * wlan_pdev_chan_change_pending_vdevs_down() - function to test/set down
+ *                                              change pending flag
+ * @pdev: pdev object
+ * @vdev_id_map: bitmap to derive channel change vdevs
+ * @ref_id: object manager ref id
+ *
+ * This function test/set channel change pending flag
+ *
+ * Return: QDF_STATUS_SUCCESS, if it iterates through all vdevs,
+ *         otherwise QDF_STATUS_E_FAILURE
+ */
+QDF_STATUS wlan_pdev_chan_change_pending_vdevs_down(
+					struct wlan_objmgr_pdev *pdev,
+					unsigned long *vdev_id_map,
+					wlan_objmgr_ref_dbgid dbg_id);
+
 /**
  * wlan_chan_eq() - function to check whether both channels are same
  * @chan1: channel1 object

umac/cmn_services/utils/src/wlan_utility.c

@@ -286,6 +286,48 @@ QDF_STATUS wlan_pdev_chan_change_pending_vdevs(struct wlan_objmgr_pdev *pdev,
 	return QDF_STATUS_SUCCESS;
 }
 
+static void wlan_vdev_down_pending(struct wlan_objmgr_pdev *pdev,
+				   void *object, void *arg)
+{
+	struct wlan_objmgr_vdev *vdev = (struct wlan_objmgr_vdev *)object;
+	unsigned long *vdev_id_map = (unsigned long *)arg;
+	uint8_t id = 0;
+	struct wlan_objmgr_psoc *psoc;
+
+	psoc = wlan_pdev_get_psoc(pdev);
+	if (!psoc)
+		return;
+
+	wlan_vdev_obj_lock(vdev);
+	if (wlan_vdev_mlme_is_init_state(vdev) != QDF_STATUS_SUCCESS) {
+		id = wlan_vdev_get_id(vdev);
+		/* Invalid vdev id */
+		if (id >= wlan_psoc_get_max_vdev_count(psoc)) {
+			wlan_vdev_obj_unlock(vdev);
+			return;
+		}
+
+		wlan_util_change_map_index(vdev_id_map, id, 1);
+	}
+
+	wlan_vdev_obj_unlock(vdev);
+}
+
+QDF_STATUS wlan_pdev_chan_change_pending_vdevs_down(
+					struct wlan_objmgr_pdev *pdev,
+					unsigned long *vdev_id_map,
+					wlan_objmgr_ref_dbgid dbg_id)
+{
+	if (!pdev)
+		return QDF_STATUS_E_INVAL;
+
+	wlan_objmgr_pdev_iterate_obj_list(pdev, WLAN_VDEV_OP,
+					  wlan_vdev_down_pending,
+					  vdev_id_map, 0, dbg_id);
+
+	return QDF_STATUS_SUCCESS;
+}
+
 QDF_STATUS wlan_chan_eq(struct wlan_channel *chan1, struct wlan_channel *chan2)
 {
 	if ((chan1->ch_ieee == chan2->ch_ieee) &&