BWF
options = cpr8 (Config5) & ~(UWF | MWF | BWF);
if (wol->wolopts & WAKE_BCAST) options |= BWF;
if (options & BWF) wol->wolopts |= WAKE_BCAST;
r8169_mod_reg8_cond(tp, Config5, BWF, wolopts & WAKE_BCAST);