IFT_PPP
{ IFT_PPP, LINK_STATE_DOWN, "no carrier" }, \
sc->sc_if.if_type = IFT_PPP;
sc->sc_sppp.pp_if.if_type = IFT_PPP;
ifp->if_type = IFT_PPP;
sp->pp_if.if_type = IFT_PPP;
if (ifp->if_bpf && ifp->if_type == IFT_PPP)
case IFT_PPP:
case IFT_PPP:
case IFT_PPP: