FR_FASTROUTE
froute: IPFY_FROUTE { fr->fr_flags |= FR_FASTROUTE; }
if (fp->fr_flags & FR_FASTROUTE)
if (!out && (pass & FR_FASTROUTE)) {
(fp->fr_flags & FR_FASTROUTE)) {
if ((ifp == NULL) && ((fr == NULL) || !(fr->fr_flags & FR_FASTROUTE))) {