DL_PROMISCOFF_REQ_SIZE
{ DL_PROMISCOFF_REQ, DL_PROMISCOFF_REQ_SIZE },
if (MBLKL(mp) < DL_PROMISCOFF_REQ_SIZE) {
if (mblkl < DL_PROMISCOFF_REQ_SIZE)
size = DL_PROMISCOFF_REQ_SIZE;