2 * Copyright (c) 2011 Patrick McHardy <kaber@trash.net>
3 * Copyright (c) 2012 Intel Corporation
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
11 #include <linux/module.h>
12 #include <linux/init.h>
13 #include <linux/list.h>
14 #include <linux/skbuff.h>
16 #include <linux/netfilter.h>
17 #include <linux/netfilter_ipv6.h>
18 #include <linux/netfilter/nf_tables.h>
19 #include <net/netfilter/nf_conntrack.h>
20 #include <net/netfilter/nf_nat.h>
21 #include <net/netfilter/nf_nat_core.h>
22 #include <net/netfilter/nf_tables.h>
23 #include <net/netfilter/nf_tables_ipv6.h>
24 #include <net/netfilter/nf_nat_l3proto.h>
27 static unsigned int nft_nat_do_chain(const struct nf_hook_ops
*ops
,
29 const struct nf_hook_state
*state
,
32 struct nft_pktinfo pkt
;
34 nft_set_pktinfo_ipv6(&pkt
, ops
, skb
, state
);
36 return nft_do_chain(&pkt
, ops
);
39 static unsigned int nft_nat_ipv6_fn(const struct nf_hook_ops
*ops
,
41 const struct nf_hook_state
*state
)
43 return nf_nat_ipv6_fn(ops
, skb
, state
, nft_nat_do_chain
);
46 static unsigned int nft_nat_ipv6_in(const struct nf_hook_ops
*ops
,
48 const struct nf_hook_state
*state
)
50 return nf_nat_ipv6_in(ops
, skb
, state
, nft_nat_do_chain
);
53 static unsigned int nft_nat_ipv6_out(const struct nf_hook_ops
*ops
,
55 const struct nf_hook_state
*state
)
57 return nf_nat_ipv6_out(ops
, skb
, state
, nft_nat_do_chain
);
60 static unsigned int nft_nat_ipv6_local_fn(const struct nf_hook_ops
*ops
,
62 const struct nf_hook_state
*state
)
64 return nf_nat_ipv6_local_fn(ops
, skb
, state
, nft_nat_do_chain
);
67 static const struct nf_chain_type nft_chain_nat_ipv6
= {
69 .type
= NFT_CHAIN_T_NAT
,
70 .family
= NFPROTO_IPV6
,
72 .hook_mask
= (1 << NF_INET_PRE_ROUTING
) |
73 (1 << NF_INET_POST_ROUTING
) |
74 (1 << NF_INET_LOCAL_OUT
) |
75 (1 << NF_INET_LOCAL_IN
),
77 [NF_INET_PRE_ROUTING
] = nft_nat_ipv6_in
,
78 [NF_INET_POST_ROUTING
] = nft_nat_ipv6_out
,
79 [NF_INET_LOCAL_OUT
] = nft_nat_ipv6_local_fn
,
80 [NF_INET_LOCAL_IN
] = nft_nat_ipv6_fn
,
84 static int __init
nft_chain_nat_ipv6_init(void)
88 err
= nft_register_chain_type(&nft_chain_nat_ipv6
);
95 static void __exit
nft_chain_nat_ipv6_exit(void)
97 nft_unregister_chain_type(&nft_chain_nat_ipv6
);
100 module_init(nft_chain_nat_ipv6_init
);
101 module_exit(nft_chain_nat_ipv6_exit
);
103 MODULE_LICENSE("GPL");
104 MODULE_AUTHOR("Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>");
105 MODULE_ALIAS_NFT_CHAIN(AF_INET6
, "nat");