LE_MO_PROM
ib->mode = LE_MO_PROM; /* normal, enable Tx & Rx */
ib->mode |= LE_MO_PROM;
ib->mode &= ~LE_MO_PROM;
ib->mode |= LE_MO_PROM;
ib->mode &= ~LE_MO_PROM;
*lib_ptr(ib, mode, lp->type) |= LE_MO_PROM;
*lib_ptr(ib, mode, lp->type) &= ~LE_MO_PROM;
mode |= LE_MO_PROM;
mode &= ~LE_MO_PROM;