diff options
Diffstat (limited to 'include/linux/netfilter_ipv4.h')
| -rw-r--r-- | include/linux/netfilter_ipv4.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h new file mode 100644 index 000000000..5b70ca868 --- /dev/null +++ b/include/linux/netfilter_ipv4.h @@ -0,0 +1,41 @@ +/* IPv4-specific defines for netfilter. + * (C)1998 Rusty Russell -- This code is GPL. + */ +#ifndef __LINUX_IP_NETFILTER_H +#define __LINUX_IP_NETFILTER_H + +#include <uapi/linux/netfilter_ipv4.h> + +/* Extra routing may needed on local out, as the QUEUE target never returns + * control to the table. + */ +struct ip_rt_info { + __be32 daddr; + __be32 saddr; + u_int8_t tos; + u_int32_t mark; +}; + +int ip_route_me_harder(struct net *net, struct sock *sk, struct sk_buff *skb, unsigned addr_type); + +struct nf_queue_entry; + +#ifdef CONFIG_INET +__sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook, + unsigned int dataoff, u_int8_t protocol); +int nf_ip_route(struct net *net, struct dst_entry **dst, struct flowi *fl, + bool strict); +#else +static inline __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook, + unsigned int dataoff, u_int8_t protocol) +{ + return 0; +} +static inline int nf_ip_route(struct net *net, struct dst_entry **dst, + struct flowi *fl, bool strict) +{ + return -EOPNOTSUPP; +} +#endif /* CONFIG_INET */ + +#endif /*__LINUX_IP_NETFILTER_H*/ |