+
+static int __init exp_proc_init(void)
+{
+#ifdef CONFIG_PROC_FS
+ struct proc_dir_entry *proc;
+
+ proc = proc_net_fops_create("nf_conntrack_expect", 0440, &exp_file_ops);
+ if (!proc)
+ return -ENOMEM;
+#endif /* CONFIG_PROC_FS */
+ return 0;
+}
+
+static void exp_proc_remove(void)
+{
+#ifdef CONFIG_PROC_FS
+ proc_net_remove("nf_conntrack_expect");
+#endif /* CONFIG_PROC_FS */
+}
+
+module_param_named(expect_hashsize, nf_ct_expect_hsize, uint, 0600);
+
+int __init nf_conntrack_expect_init(void)
+{
+ int err = -ENOMEM;
+
+ if (!nf_ct_expect_hsize) {
+ nf_ct_expect_hsize = nf_conntrack_htable_size / 256;
+ if (!nf_ct_expect_hsize)
+ nf_ct_expect_hsize = 1;
+ }
+
+ nf_ct_expect_hash = nf_ct_alloc_hashtable(&nf_ct_expect_hsize,
+ &nf_ct_expect_vmalloc);
+ if (nf_ct_expect_hash == NULL)
+ goto err1;
+
+ nf_ct_expect_cachep = kmem_cache_create("nf_conntrack_expect",
+ sizeof(struct nf_conntrack_expect),
+ 0, 0, NULL, NULL);
+ if (!nf_ct_expect_cachep)
+ goto err2;
+
+ err = exp_proc_init();
+ if (err < 0)
+ goto err3;
+
+ return 0;
+
+err3:
+ nf_ct_free_hashtable(nf_ct_expect_hash, nf_ct_expect_vmalloc,
+ nf_ct_expect_hsize);
+err2:
+ kmem_cache_destroy(nf_ct_expect_cachep);
+err1:
+ return err;
+}
+
+void nf_conntrack_expect_fini(void)
+{
+ exp_proc_remove();
+ kmem_cache_destroy(nf_ct_expect_cachep);
+ nf_ct_free_hashtable(nf_ct_expect_hash, nf_ct_expect_vmalloc,
+ nf_ct_expect_hsize);
+}