MISDN_CTRL_FILL_EMPTY
case MISDN_CTRL_FILL_EMPTY:
cq.op = MISDN_CTRL_FILL_EMPTY;
if (cq.op & MISDN_CTRL_FILL_EMPTY)
cq->op = MISDN_CTRL_RX_BUFFER | MISDN_CTRL_FILL_EMPTY |
case MISDN_CTRL_FILL_EMPTY: