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1/* IPv6-specific defines for netfilter.
2 * (C)1998 Rusty Russell -- This code is GPL.
3 * (C)1999 David Jeffery
4 * this header was blatantly ripped from netfilter_ipv4.h
5 * it's amazing what adding a bunch of 6s can do =8^)
6 */
7#ifndef __LINUX_IP6_NETFILTER_H
8#define __LINUX_IP6_NETFILTER_H
9
10#include <uapi/linux/netfilter_ipv6.h>
11
12
13#ifdef CONFIG_NETFILTER
14int ip6_route_me_harder(struct sk_buff *skb);
15__sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
16 unsigned int dataoff, u_int8_t protocol);
17
18int ipv6_netfilter_init(void);
19void ipv6_netfilter_fini(void);
20
21/*
22 * Hook functions for ipv6 to allow xt_* modules to be built-in even
23 * if IPv6 is a module.
24 */
25struct nf_ipv6_ops {
26 int (*chk_addr)(struct net *net, const struct in6_addr *addr,
27 const struct net_device *dev, int strict);
28 void (*route_input)(struct sk_buff *skb);
29 int (*fragment)(struct sock *sk, struct sk_buff *skb,
30 int (*output)(struct sock *, struct sk_buff *));
31};
32
33extern const struct nf_ipv6_ops __rcu *nf_ipv6_ops;
34static inline const struct nf_ipv6_ops *nf_get_ipv6_ops(void)
35{
36 return rcu_dereference(nf_ipv6_ops);
37}
38
39#else /* CONFIG_NETFILTER */
40static inline int ipv6_netfilter_init(void) { return 0; }
41static inline void ipv6_netfilter_fini(void) { return; }
42#endif /* CONFIG_NETFILTER */
43
44#endif /*__LINUX_IP6_NETFILTER_H*/