__PF(ARCNET,arcnet)
__PF(APPLETLK,atalk)
__PF(DLCI,dlci)
+#ifdef ARPHRD_ATM
__PF(ATM,atm)
+#endif
__PF(METRICOM,metricom)
#ifdef ARPHRD_IEEE1394
__PF(IEEE1394,ieee1394)
__PF(ADAPT,adapt)
__PF(ROSE,rose)
__PF(X25,x25)
+#ifdef ARPHRD_HWX25
__PF(HWX25,hwx25)
+#endif
__PF(PPP,ppp)
__PF(HDLC,hdlc)
__PF(LAPB,lapb)
+#ifdef ARPHRD_DDCMP
__PF(DDCMP,ddcmp)
__PF(RAWHDLC,rawhdlc)
+#endif
__PF(TUNNEL,ipip)
__PF(TUNNEL6,tunnel6)