GE_RXBUF_SIZE
rxd->ed_lencnt = htogt32(GE_RXBUF_SIZE << 16);
boff += GE_RXBUF_SIZE;
#define GE_RXBUF_MEMSIZE (GE_RXDESC_MAX*GE_RXBUF_SIZE)
uint8_t rxb_data[GE_RXBUF_SIZE];