210 	struct rt_smooth_data *ui_rssi;  in _rtl92d_process_ui_rssi()  local
216 	ui_rssi = &rtlpriv->stats.ui_rssi;  in _rtl92d_process_ui_rssi()
219 	if (ui_rssi->total_num++ >= PHY_RSSI_SLID_WIN_MAX) {  in _rtl92d_process_ui_rssi()
220 		ui_rssi->total_num = PHY_RSSI_SLID_WIN_MAX;  in _rtl92d_process_ui_rssi()
221 		last_rssi = ui_rssi->elements[ui_rssi->index];  in _rtl92d_process_ui_rssi()
222 		ui_rssi->total_val -= last_rssi;  in _rtl92d_process_ui_rssi()
224 	ui_rssi->total_val += pstats->signalstrength;  in _rtl92d_process_ui_rssi()
225 	ui_rssi->elements[ui_rssi->index++] = pstats->signalstrength;  in _rtl92d_process_ui_rssi()
226 	if (ui_rssi->index >= PHY_RSSI_SLID_WIN_MAX)  in _rtl92d_process_ui_rssi()
227 		ui_rssi->index = 0;  in _rtl92d_process_ui_rssi()
228 	tmpval = ui_rssi->total_val / ui_rssi->total_num;  in _rtl92d_process_ui_rssi()