Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / net / netfilter / nf_conntrack_timeout.c

diff --git a/kernel/net/netfilter/nf_conntrack_timeout.c b/kernel/net/netfilter/nf_conntrack_timeout.c
new file mode 100644 (file)
index 0000000..93da609
--- /dev/null
+++ b/kernel/net/netfilter/nf_conntrack_timeout.c
@@ -0,0 +1,51 @@
+/*
+ * (C) 2012 by Pablo Neira Ayuso <pablo@netfilter.org>
+ * (C) 2012 by Vyatta Inc. <http://www.vyatta.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation (or any later at your option).
+ */
+
+#include <linux/types.h>
+#include <linux/netfilter.h>
+#include <linux/skbuff.h>
+#include <linux/vmalloc.h>
+#include <linux/stddef.h>
+#include <linux/err.h>
+#include <linux/percpu.h>
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/slab.h>
+#include <linux/export.h>
+
+#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_core.h>
+#include <net/netfilter/nf_conntrack_extend.h>
+#include <net/netfilter/nf_conntrack_timeout.h>
+
+struct ctnl_timeout *
+(*nf_ct_timeout_find_get_hook)(const char *name) __read_mostly;
+EXPORT_SYMBOL_GPL(nf_ct_timeout_find_get_hook);
+
+void (*nf_ct_timeout_put_hook)(struct ctnl_timeout *timeout) __read_mostly;
+EXPORT_SYMBOL_GPL(nf_ct_timeout_put_hook);
+
+static struct nf_ct_ext_type timeout_extend __read_mostly = {
+       .len    = sizeof(struct nf_conn_timeout),
+       .align  = __alignof__(struct nf_conn_timeout),
+       .id     = NF_CT_EXT_TIMEOUT,
+};
+
+int nf_conntrack_timeout_init(void)
+{
+       int ret = nf_ct_extend_register(&timeout_extend);
+       if (ret < 0)
+               pr_err("nf_ct_timeout: Unable to register timeout extension.\n");
+       return ret;
+}
+
+void nf_conntrack_timeout_fini(void)
+{
+       nf_ct_extend_unregister(&timeout_extend);
+}