nat_helper_tftp 20 net/netfilter/nf_nat_tftp.c static struct nf_conntrack_nat_helper nat_helper_tftp = nat_helper_tftp 42 net/netfilter/nf_nat_tftp.c nf_nat_helper_unregister(&nat_helper_tftp); nat_helper_tftp 50 net/netfilter/nf_nat_tftp.c nf_nat_helper_register(&nat_helper_tftp);