[NETFILTER]: nf_conntrack: split out protocol handling

[linux-2.6] / net / netfilter / nf_conntrack_standalone.c

diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 73ca156bb0985756434cd87c2b55d927ae13cb22..eb031d20e510fa2eea46ecd2fc703ba7252e6195 100644 (file)
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -50,22 +50,6 @@ MODULE_LICENSE("GPL");
 extern atomic_t nf_conntrack_count;
 DECLARE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat);
 
-static int kill_l3proto(struct nf_conn *i, void *data)
-{
-       return (i->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num == 
-                       ((struct nf_conntrack_l3proto *)data)->l3proto);
-}
-
-static int kill_proto(struct nf_conn *i, void *data)
-{
-       struct nf_conntrack_protocol *proto;
-       proto = (struct nf_conntrack_protocol *)data;
-       return (i->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum == 
-                       proto->proto) &&
-              (i->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num ==
-                       proto->l3proto);
-}
-
 #ifdef CONFIG_PROC_FS
 int
 print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple,
@@ -585,106 +569,6 @@ static ctl_table nf_ct_net_table[] = {
 EXPORT_SYMBOL(nf_ct_log_invalid);
 #endif /* CONFIG_SYSCTL */
 
-int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto)
-{
-       int ret = 0;
-
-       write_lock_bh(&nf_conntrack_lock);
-       if (nf_ct_l3protos[proto->l3proto] != &nf_conntrack_generic_l3proto) {
-               ret = -EBUSY;
-               goto out;
-       }
-       nf_ct_l3protos[proto->l3proto] = proto;
-out:
-       write_unlock_bh(&nf_conntrack_lock);
-
-       return ret;
-}
-
-void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto)
-{
-       write_lock_bh(&nf_conntrack_lock);
-       nf_ct_l3protos[proto->l3proto] = &nf_conntrack_generic_l3proto;
-       write_unlock_bh(&nf_conntrack_lock);
-       
-       /* Somebody could be still looking at the proto in bh. */
-       synchronize_net();
-
-       /* Remove all contrack entries for this protocol */
-       nf_ct_iterate_cleanup(kill_l3proto, proto);
-}
-
-/* FIXME: Allow NULL functions and sub in pointers to generic for
-   them. --RR */
-int nf_conntrack_protocol_register(struct nf_conntrack_protocol *proto)
-{
-       int ret = 0;
-
-retry:
-       write_lock_bh(&nf_conntrack_lock);
-       if (nf_ct_protos[proto->l3proto]) {
-               if (nf_ct_protos[proto->l3proto][proto->proto]
-                               != &nf_conntrack_generic_protocol) {
-                       ret = -EBUSY;
-                       goto out_unlock;
-               }
-       } else {
-               /* l3proto may be loaded latter. */
-               struct nf_conntrack_protocol **proto_array;
-               int i;
-
-               write_unlock_bh(&nf_conntrack_lock);
-
-               proto_array = (struct nf_conntrack_protocol **)
-                               kmalloc(MAX_NF_CT_PROTO *
-                                        sizeof(struct nf_conntrack_protocol *),
-                                       GFP_KERNEL);
-               if (proto_array == NULL) {
-                       ret = -ENOMEM;
-                       goto out;
-               }
-               for (i = 0; i < MAX_NF_CT_PROTO; i++)
-                       proto_array[i] = &nf_conntrack_generic_protocol;
-
-               write_lock_bh(&nf_conntrack_lock);
-               if (nf_ct_protos[proto->l3proto]) {
-                       /* bad timing, but no problem */
-                       write_unlock_bh(&nf_conntrack_lock);
-                       kfree(proto_array);
-               } else {
-                       nf_ct_protos[proto->l3proto] = proto_array;
-                       write_unlock_bh(&nf_conntrack_lock);
-               }
-
-               /*
-                * Just once because array is never freed until unloading
-                * nf_conntrack.ko
-                */
-               goto retry;
-       }
-
-       nf_ct_protos[proto->l3proto][proto->proto] = proto;
-
-out_unlock:
-       write_unlock_bh(&nf_conntrack_lock);
-out:
-       return ret;
-}
-
-void nf_conntrack_protocol_unregister(struct nf_conntrack_protocol *proto)
-{
-       write_lock_bh(&nf_conntrack_lock);
-       nf_ct_protos[proto->l3proto][proto->proto]
-               = &nf_conntrack_generic_protocol;
-       write_unlock_bh(&nf_conntrack_lock);
-       
-       /* Somebody could be still looking at the proto in bh. */
-       synchronize_net();
-
-       /* Remove all contrack entries for this protocol */
-       nf_ct_iterate_cleanup(kill_proto, proto);
-}
-
 static int __init nf_conntrack_standalone_init(void)
 {
 #ifdef CONFIG_PROC_FS