2 * IPv6 raw table, a port of the IPv4 raw table to IPv6
4 * Copyright (C) 2003 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
6 #include <linux/module.h>
7 #include <linux/netfilter_ipv6/ip6_tables.h>
8 #include <linux/slab.h>
10 #define RAW_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_OUT))
12 static const struct xt_table packet_raw
= {
14 .valid_hooks
= RAW_VALID_HOOKS
,
17 .priority
= NF_IP6_PRI_RAW
,
20 /* The work comes in here from netfilter.c. */
22 ip6table_raw_hook(const struct nf_hook_ops
*ops
, struct sk_buff
*skb
,
23 const struct nf_hook_state
*state
)
25 const struct net
*net
= dev_net(state
->in
? state
->in
: state
->out
);
27 return ip6t_do_table(skb
, ops
->hooknum
, state
, net
->ipv6
.ip6table_raw
);
30 static struct nf_hook_ops
*rawtable_ops __read_mostly
;
32 static int __net_init
ip6table_raw_net_init(struct net
*net
)
34 struct ip6t_replace
*repl
;
36 repl
= ip6t_alloc_initial_table(&packet_raw
);
39 net
->ipv6
.ip6table_raw
=
40 ip6t_register_table(net
, &packet_raw
, repl
);
42 return PTR_ERR_OR_ZERO(net
->ipv6
.ip6table_raw
);
45 static void __net_exit
ip6table_raw_net_exit(struct net
*net
)
47 ip6t_unregister_table(net
, net
->ipv6
.ip6table_raw
);
50 static struct pernet_operations ip6table_raw_net_ops
= {
51 .init
= ip6table_raw_net_init
,
52 .exit
= ip6table_raw_net_exit
,
55 static int __init
ip6table_raw_init(void)
59 ret
= register_pernet_subsys(&ip6table_raw_net_ops
);
64 rawtable_ops
= xt_hook_link(&packet_raw
, ip6table_raw_hook
);
65 if (IS_ERR(rawtable_ops
)) {
66 ret
= PTR_ERR(rawtable_ops
);
73 unregister_pernet_subsys(&ip6table_raw_net_ops
);
77 static void __exit
ip6table_raw_fini(void)
79 xt_hook_unlink(&packet_raw
, rawtable_ops
);
80 unregister_pernet_subsys(&ip6table_raw_net_ops
);
83 module_init(ip6table_raw_init
);
84 module_exit(ip6table_raw_fini
);
85 MODULE_LICENSE("GPL");