1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/* 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 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);
__sum16 nf_ip_checksum_partial(struct sk_buff *skb, unsigned int hook,
unsigned int dataoff, unsigned int len,
u_int8_t protocol);
int nf_ip_route(struct net *net, struct dst_entry **dst, struct flowi *fl,
bool strict);
int nf_ip_reroute(struct sk_buff *skb, const struct nf_queue_entry *entry);
#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 __sum16 nf_ip_checksum_partial(struct sk_buff *skb,
unsigned int hook,
unsigned int dataoff,
unsigned int len,
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;
}
static inline int nf_ip_reroute(struct sk_buff *skb,
const struct nf_queue_entry *entry)
{
return -EOPNOTSUPP;
}
#endif /* CONFIG_INET */
#endif /*__LINUX_IP_NETFILTER_H*/
|
