95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/*
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* Copyright (c) 2008-2009 Patrick McHardy <kaber@trash.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Development of this code funded by Astaro AG (http://www.astaro.com/)
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/netlink.h>
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#include <linux/netfilter.h>
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#include <linux/netfilter/nf_tables.h>
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#include <net/netfilter/nf_tables.h>
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struct nft_template {
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};
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static void nft_template_eval(const struct nft_expr *expr,
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struct nft_data data[NFT_REG_MAX + 1],
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const struct nft_pktinfo *pkt)
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{
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struct nft_template *priv = nft_expr_priv(expr);
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}
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static const struct nla_policy nft_template_policy[NFTA_TEMPLATE_MAX + 1] = {
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[NFTA_TEMPLATE_ATTR] = { .type = NLA_U32 },
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};
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static int nft_template_init(const struct nft_ctx *ctx,
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const struct nft_expr *expr,
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const struct nlattr * const tb[])
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{
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struct nft_template *priv = nft_expr_priv(expr);
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return 0;
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}
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static void nft_template_destroy(const struct nft_ctx *ctx,
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const struct nft_expr *expr)
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{
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struct nft_template *priv = nft_expr_priv(expr);
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}
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static int nft_template_dump(struct sk_buff *skb, const struct nft_expr *expr)
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{
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const struct nft_template *priv = nft_expr_priv(expr);
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NLA_PUT_BE32(skb, NFTA_TEMPLATE_ATTR, priv->field);
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return 0;
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nla_put_failure:
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return -1;
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}
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static struct nft_expr_type nft_template_type;
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static const struct nft_expr_ops nft_template_ops = {
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.type = &nft_template_type,
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.size = NFT_EXPR_SIZE(sizeof(struct nft_template)),
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.eval = nft_template_eval,
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.init = nft_template_init,
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.destroy = nft_template_destroy,
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.dump = nft_template_dump,
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};
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static struct nft_expr_type nft_template_type __read_mostly = {
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.name = "template",
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.ops = &nft_template_ops,
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.policy = nft_template_policy,
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.maxattr = NFTA_TEMPLATE_MAX,
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.owner = THIS_MODULE,
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};
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static int __init nft_template_module_init(void)
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{
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return nft_register_expr(&nft_template_type);
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}
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static void __exit nft_template_module_exit(void)
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{
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nft_unregister_expr(&nft_template_type);
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}
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module_init(nft_template_module_init);
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module_exit(nft_template_module_exit);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
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MODULE_ALIAS_NFT_EXPR("template");
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