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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - include/linux/netfilter_ipv6.h
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^)
7 #ifndef __LINUX_IP6_NETFILTER_H
8 #define __LINUX_IP6_NETFILTER_H
10 #include <uapi/linux/netfilter_ipv6.h>
12 /* Extra routing may needed on local out, as the QUEUE target never returns
13 * control to the table.
16 struct in6_addr daddr
;
17 struct in6_addr saddr
;
21 struct nf_queue_entry
;
24 * Hook functions for ipv6 to allow xt_* modules to be built-in even
25 * if IPv6 is a module.
28 int (*chk_addr
)(struct net
*net
, const struct in6_addr
*addr
,
29 const struct net_device
*dev
, int strict
);
30 void (*route_input
)(struct sk_buff
*skb
);
31 int (*fragment
)(struct net
*net
, struct sock
*sk
, struct sk_buff
*skb
,
32 int (*output
)(struct net
*, struct sock
*, struct sk_buff
*));
33 int (*route
)(struct net
*net
, struct dst_entry
**dst
, struct flowi
*fl
,
35 int (*reroute
)(struct sk_buff
*skb
, const struct nf_queue_entry
*entry
);
38 #ifdef CONFIG_NETFILTER
39 int ip6_route_me_harder(struct net
*net
, struct sk_buff
*skb
);
40 __sum16
nf_ip6_checksum(struct sk_buff
*skb
, unsigned int hook
,
41 unsigned int dataoff
, u_int8_t protocol
);
43 int ipv6_netfilter_init(void);
44 void ipv6_netfilter_fini(void);
46 extern const struct nf_ipv6_ops __rcu
*nf_ipv6_ops
;
47 static inline const struct nf_ipv6_ops
*nf_get_ipv6_ops(void)
49 return rcu_dereference(nf_ipv6_ops
);
52 #else /* CONFIG_NETFILTER */
53 static inline int ipv6_netfilter_init(void) { return 0; }
54 static inline void ipv6_netfilter_fini(void) { return; }
55 static inline const struct nf_ipv6_ops
*nf_get_ipv6_ops(void) { return NULL
; }
56 #endif /* CONFIG_NETFILTER */
58 #endif /*__LINUX_IP6_NETFILTER_H*/