RX_RUNT
# define RX_ERROR (RX_WDOG_TIMER | RX_RUNT | RX_OVERLEN | \
if (status & (RX_OVERLEN | RX_RUNT | RX_LEN_ERROR))
if (status & RX_RUNT)
if (status & RX_RUNT)
if ((status & RX_CRC_ERROR) && !(status & (RX_EXTRA_DATA | RX_RUNT)))
if (status & RX_RUNT)
!(status & (RX_EXTRA_DATA|RX_RUNT)))