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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* 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 */
David Howells607ca462012-10-13 10:46:48 +01007#ifndef __LINUX_IP6_NETFILTER_H
8#define __LINUX_IP6_NETFILTER_H
Linus Torvalds1da177e2005-04-16 15:20:36 -07009
David Howells607ca462012-10-13 10:46:48 +010010#include <uapi/linux/netfilter_ipv6.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070011
Adrian Bunkcdf060a2008-07-08 02:36:40 -070012
Patrick McHardybb94aa12006-01-09 16:43:13 -080013#ifdef CONFIG_NETFILTER
Joe Perchesa0f4ecf2013-09-26 14:48:15 -070014int 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);
Patrick McHardy422c3462006-04-06 14:18:43 -070017
Joe Perchesa0f4ecf2013-09-26 14:48:15 -070018int ipv6_netfilter_init(void);
19void ipv6_netfilter_fini(void);
Florian Westphal2a7851b2013-05-17 03:56:10 +000020
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};
29
30extern const struct nf_ipv6_ops __rcu *nf_ipv6_ops;
31static inline const struct nf_ipv6_ops *nf_get_ipv6_ops(void)
32{
33 return rcu_dereference(nf_ipv6_ops);
34}
35
Patrick McHardybb94aa12006-01-09 16:43:13 -080036#else /* CONFIG_NETFILTER */
37static inline int ipv6_netfilter_init(void) { return 0; }
38static inline void ipv6_netfilter_fini(void) { return; }
39#endif /* CONFIG_NETFILTER */
Harald Welte2cc7d572005-08-09 19:42:34 -070040
Linus Torvalds1da177e2005-04-16 15:20:36 -070041#endif /*__LINUX_IP6_NETFILTER_H*/