nf_conntrack_l3proto_register   73 include/net/netfilter/nf_conntrack_l3proto.h extern int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto);
nf_conntrack_l3proto_register  400 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c 	ret = nf_conntrack_l3proto_register(&nf_conntrack_l3proto_ipv4);
nf_conntrack_l3proto_register  399 net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c 	ret = nf_conntrack_l3proto_register(&nf_conntrack_l3proto_ipv6);