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