S_RX_M_INTRNL_FIFO_CNT
#define V_RX_M_INTRNL_FIFO_CNT(x) ((x) << S_RX_M_INTRNL_FIFO_CNT)
#define G_RX_M_INTRNL_FIFO_CNT(x) (((x) >> S_RX_M_INTRNL_FIFO_CNT) & M_RX_M_INTRNL_FIFO_CNT)