-static DEFINE_SPINLOCK(afinfo_lock);
-
-struct nf_afinfo *nf_afinfo[NPROTO];
-EXPORT_SYMBOL(nf_afinfo);
-
-int nf_register_afinfo(struct nf_afinfo *afinfo)
-{
- spin_lock(&afinfo_lock);
- rcu_assign_pointer(nf_afinfo[afinfo->family], afinfo);
- spin_unlock(&afinfo_lock);
- return 0;
-}
-EXPORT_SYMBOL_GPL(nf_register_afinfo);
-
-void nf_unregister_afinfo(struct nf_afinfo *afinfo)
-{
- spin_lock(&afinfo_lock);
- rcu_assign_pointer(nf_afinfo[afinfo->family], NULL);
- spin_unlock(&afinfo_lock);
- synchronize_rcu();
-}
-EXPORT_SYMBOL_GPL(nf_unregister_afinfo);
-