taglinefilesource code
vifc_flags51include/linux/mroute.hunsigned char vifc_flags;  /* VIFF_ flags */
vifc_flags480net/ipv4/ipmr.cif(vif.vifc_flags&VIFF_TUNNEL)
vifc_flags482net/ipv4/ipmr.cif(vif.vifc_flags&VIFF_SRCRT)
vifc_flags508net/ipv4/ipmr.cv->flags=vif.vifc_flags;