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1 | /* |
2 | * Copyright (c) 2008-2009 Patrick McHardy <kaber@trash.net> |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License version 2 as |
6 | * published by the Free Software Foundation. |
7 | * |
8 | * Development of this code funded by Astaro AG (http://www.astaro.com/) |
9 | */ |
10 | |
11 | #include <linux/kernel.h> |
12 | #include <linux/init.h> |
13 | #include <linux/netlink.h> |
14 | #include <linux/netfilter.h> |
15 | #include <linux/netfilter/nf_tables.h> |
16 | #include <net/netfilter/nf_tables.h> |
17 | |
18 | struct nft_template { |
19 | |
20 | }; |
21 | |
22 | static void nft_template_eval(const struct nft_expr *expr, |
23 | struct nft_data data[NFT_REG_MAX + 1], |
24 | const struct nft_pktinfo *pkt) |
25 | { |
26 | struct nft_template *priv = nft_expr_priv(expr); |
27 | |
28 | } |
29 | |
30 | static const struct nla_policy nft_template_policy[NFTA_TEMPLATE_MAX + 1] = { |
31 | [NFTA_TEMPLATE_ATTR] = { .type = NLA_U32 }, |
32 | }; |
33 | |
34 | static int nft_template_init(const struct nft_ctx *ctx, |
35 | const struct nft_expr *expr, |
36 | const struct nlattr * const tb[]) |
37 | { |
38 | struct nft_template *priv = nft_expr_priv(expr); |
39 | |
40 | return 0; |
41 | } |
42 | |
43 | static void nft_template_destroy(const struct nft_ctx *ctx, |
44 | const struct nft_expr *expr) |
45 | { |
46 | struct nft_template *priv = nft_expr_priv(expr); |
47 | |
48 | } |
49 | |
50 | static int nft_template_dump(struct sk_buff *skb, const struct nft_expr *expr) |
51 | { |
52 | const struct nft_template *priv = nft_expr_priv(expr); |
53 | |
54 | NLA_PUT_BE32(skb, NFTA_TEMPLATE_ATTR, priv->field); |
55 | return 0; |
56 | |
57 | nla_put_failure: |
58 | return -1; |
59 | } |
60 | |
61 | static struct nft_expr_type nft_template_type; |
62 | static const struct nft_expr_ops nft_template_ops = { |
63 | .type = &nft_template_type, |
64 | .size = NFT_EXPR_SIZE(sizeof(struct nft_template)), |
65 | .eval = nft_template_eval, |
66 | .init = nft_template_init, |
67 | .destroy = nft_template_destroy, |
68 | .dump = nft_template_dump, |
69 | }; |
70 | |
71 | static struct nft_expr_type nft_template_type __read_mostly = { |
72 | .name = "template", |
73 | .ops = &nft_template_ops, |
74 | .policy = nft_template_policy, |
75 | .maxattr = NFTA_TEMPLATE_MAX, |
76 | .owner = THIS_MODULE, |
77 | }; |
78 | |
79 | static int __init nft_template_module_init(void) |
80 | { |
81 | return nft_register_expr(&nft_template_type); |
82 | } |
83 | |
84 | static void __exit nft_template_module_exit(void) |
85 | { |
86 | nft_unregister_expr(&nft_template_type); |
87 | } |
88 | |
89 | module_init(nft_template_module_init); |
90 | module_exit(nft_template_module_exit); |
91 | |
92 | MODULE_LICENSE("GPL"); |
93 | MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>"); |
94 | MODULE_ALIAS_NFT_EXPR("template"); |
95 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
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