1 | /* IPv4-specific defines for netfilter. |
2 | * (C)1998 Rusty Russell -- This code is GPL. |
3 | */ |
4 | #ifndef __LINUX_IP_NETFILTER_H |
5 | #define __LINUX_IP_NETFILTER_H |
6 | |
7 | #include <uapi/linux/netfilter_ipv4.h> |
8 | |
9 | /* Extra routing may needed on local out, as the QUEUE target never returns |
10 | * control to the table. |
11 | */ |
12 | struct ip_rt_info { |
13 | __be32 daddr; |
14 | __be32 saddr; |
15 | u_int8_t tos; |
16 | u_int32_t mark; |
17 | }; |
18 | |
19 | int ip_route_me_harder(struct net *net, struct sock *sk, struct sk_buff *skb, unsigned addr_type); |
20 | |
21 | struct nf_queue_entry; |
22 | |
23 | #ifdef CONFIG_INET |
24 | __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook, |
25 | unsigned int dataoff, u_int8_t protocol); |
26 | int nf_ip_route(struct net *net, struct dst_entry **dst, struct flowi *fl, |
27 | bool strict); |
28 | #else |
29 | static inline __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook, |
30 | unsigned int dataoff, u_int8_t protocol) |
31 | { |
32 | return 0; |
33 | } |
34 | static inline int nf_ip_route(struct net *net, struct dst_entry **dst, |
35 | struct flowi *fl, bool strict) |
36 | { |
37 | return -EOPNOTSUPP; |
38 | } |
39 | #endif /* CONFIG_INET */ |
40 | |
41 | #endif /*__LINUX_IP_NETFILTER_H*/ |
42 | |