bsd/net/if_vlan.c

799 	int	req_mtu;
804 	req_mtu = ifnet_mtu(ifv->ifv_ifp) + ifv->ifv_mtufudge;
805 	if (req_mtu > max_mtu) {
806 	    max_mtu = req_mtu;
1677     int			req_mtu;
1683     req_mtu = mtu + ifv->ifv_mtufudge;
1684     if (req_mtu > devmtu_p->ifdm_max || req_mtu < devmtu_p->ifdm_min) {
1688     if (req_mtu > max_mtu) {
1689 	new_mtu = req_mtu;