> > -			vlan_input_tag(eh, m, vlan_tag);
> > +			struct mbuf *n;
> > +			n = m_aux_add(m, AF_LINK, ETHERTYPE_VLAN);
> > +			if (n) {
> > +				*mtod(n, int *) = vlan_tag;
> > +				n->m_len = sizeof(int);
> > +			} else 
> > +				printf("%s: no mbuf for tag\n", ifp->if_xname);
> > +			m->m_flags |= M_VLAN1Q;

	I believe you no longer need M_VLAN1Q.  you just need to check
	if m_aux_find(m, AF_LINK, ETHERTYPE_VLAN) returns NULL or not.

itojun