INBUFLEN
sc->sc_inbuf2 = sc->sc_inbuf1 + INBUFLEN;
memset(sc->sc_inbuf1, 0x55, INBUFLEN * 2);
memset(sc->sc_inbuf2, 0xaa, INBUFLEN * 2);
#define INBUF_RAW_SIZE (INBUFLEN * 4 + (INBUF_MASK + 1))