IN6_LINKMTU
offer = IN6_LINKMTU(rt->rt_ifp) - min_protoh;
mss = IN6_LINKMTU(rt->rt_ifp);
return ((isipv6 ? IN6_LINKMTU(rt->rt_ifp) : rt->rt_ifp->if_mtu) -
IN6_LINKMTU(ifp) > maxmtu)
maxmtu = IN6_LINKMTU(ifp);
rt->rt_rmx.rmx_mtu = IN6_LINKMTU(rt->rt_ifp);
if (m->m_pkthdr.len > IN6_LINKMTU(rt->rt_ifp)) {
mtu = IN6_LINKMTU(rt->rt_ifp);
linkmtu = IN6_LINKMTU(ifp);
ifmtu = IN6_LINKMTU(ifp);
mtu = IN6_LINKMTU(ifp);
if (dontfrag && tlen > IN6_LINKMTU(ifp)) { /* case 2-b */
ndi->ndi.linkmtu = IN6_LINKMTU(ifp);
ndi->ndi.linkmtu = IN6_LINKMTU(ifp);
ndi->ndi.linkmtu > IN6_LINKMTU(ifp)) {