nat_extend 851 net/netfilter/nf_nat_core.c static struct nf_ct_ext_type nat_extend __read_mostly = { nat_extend 1164 net/netfilter/nf_nat_core.c ret = nf_ct_extend_register(&nat_extend); nat_extend 1176 net/netfilter/nf_nat_core.c nf_ct_extend_unregister(&nat_extend); nat_extend 1194 net/netfilter/nf_nat_core.c nf_ct_extend_unregister(&nat_extend);