VKE_COTD_RUN
sc->cotd_tx_exit = sc->cotd_rx_exit = VKE_COTD_RUN;
if (sc->cotd_tx_exit == VKE_COTD_RUN)
if (sc->cotd_rx_exit == VKE_COTD_RUN)
if (sc->cotd_rx_exit != VKE_COTD_RUN) {
if (sc->cotd_tx_exit != VKE_COTD_RUN) {
while (sc->cotd_rx_exit == VKE_COTD_RUN) {
while (sc->cotd_tx_exit == VKE_COTD_RUN) {