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-rw-r--r--net/netfilter/nft_expr_template.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/net/netfilter/nft_expr_template.c b/net/netfilter/nft_expr_template.c
new file mode 100644
index 000000000000..b6eed4d5a096
--- /dev/null
+++ b/net/netfilter/nft_expr_template.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2008-2009 Patrick McHardy <kaber@trash.net>
+ *
+ * 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.
+ *
+ * Development of this code funded by Astaro AG (http://www.astaro.com/)
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/netlink.h>
+#include <linux/netfilter.h>
+#include <linux/netfilter/nf_tables.h>
+#include <net/netfilter/nf_tables.h>
+
+struct nft_template {
+
+};
+
+static void nft_template_eval(const struct nft_expr *expr,
+ struct nft_data data[NFT_REG_MAX + 1],
+ const struct nft_pktinfo *pkt)
+{
+ struct nft_template *priv = nft_expr_priv(expr);
+
+}
+
+static const struct nla_policy nft_template_policy[NFTA_TEMPLATE_MAX + 1] = {
+ [NFTA_TEMPLATE_ATTR] = { .type = NLA_U32 },
+};
+
+static int nft_template_init(const struct nft_ctx *ctx,
+ const struct nft_expr *expr,
+ const struct nlattr * const tb[])
+{
+ struct nft_template *priv = nft_expr_priv(expr);
+
+ return 0;
+}
+
+static void nft_template_destroy(const struct nft_ctx *ctx,
+ const struct nft_expr *expr)
+{
+ struct nft_template *priv = nft_expr_priv(expr);
+
+}
+
+static int nft_template_dump(struct sk_buff *skb, const struct nft_expr *expr)
+{
+ const struct nft_template *priv = nft_expr_priv(expr);
+
+ NLA_PUT_BE32(skb, NFTA_TEMPLATE_ATTR, priv->field);
+ return 0;
+
+nla_put_failure:
+ return -1;
+}
+
+static struct nft_expr_type nft_template_type;
+static const struct nft_expr_ops nft_template_ops = {
+ .type = &nft_template_type,
+ .size = NFT_EXPR_SIZE(sizeof(struct nft_template)),
+ .eval = nft_template_eval,
+ .init = nft_template_init,
+ .destroy = nft_template_destroy,
+ .dump = nft_template_dump,
+};
+
+static struct nft_expr_type nft_template_type __read_mostly = {
+ .name = "template",
+ .ops = &nft_template_ops,
+ .policy = nft_template_policy,
+ .maxattr = NFTA_TEMPLATE_MAX,
+ .owner = THIS_MODULE,
+};
+
+static int __init nft_template_module_init(void)
+{
+ return nft_register_expr(&nft_template_type);
+}
+
+static void __exit nft_template_module_exit(void)
+{
+ nft_unregister_expr(&nft_template_type);
+}
+
+module_init(nft_template_module_init);
+module_exit(nft_template_module_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
+MODULE_ALIAS_NFT_EXPR("template");