FR_FAKEICMP
if ((fp->fr_flags & FR_RETMASK) == FR_FAKEICMP)
case FR_FAKEICMP :
| IPFY_RETICMPASDST { fr->fr_flags |= FR_FAKEICMP; }
| IPFY_RETICMPASDST returncode { fr->fr_flags |= FR_FAKEICMP; }
if (passt & (FR_RETICMP|FR_FAKEICMP))
if ((pass & FR_RETMASK) == FR_FAKEICMP)
case FR_FAKEICMP :
#define FR_RETMASK (FR_RETICMP|FR_RETRST|FR_FAKEICMP)