IFF_LOOPBACK      283 include/net/netfilter/nf_conntrack.h 	return skb->dev && skb->skb_iif && skb->dev->flags & IFF_LOOPBACK;
IFF_LOOPBACK       95 include/uapi/linux/if.h #define IFF_LOOPBACK			IFF_LOOPBACK
IFF_LOOPBACK      112 include/uapi/linux/if.h #define IFF_VOLATILE	(IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\