rpfilter_is_loopback   64 net/ipv4/netfilter/ipt_rpfilter.c 	if (rpfilter_is_loopback(skb, xt_in(par)))
rpfilter_is_loopback   97 net/ipv6/netfilter/ip6t_rpfilter.c 	if (rpfilter_is_loopback(skb, xt_in(par)))