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e687ad60 PN |
1 | #ifndef _NETFILTER_INGRESS_H_ |
2 | #define _NETFILTER_INGRESS_H_ | |
3 | ||
4 | #include <linux/netfilter.h> | |
5 | #include <linux/netdevice.h> | |
6 | ||
7 | #ifdef CONFIG_NETFILTER_INGRESS | |
8 | static inline int nf_hook_ingress_active(struct sk_buff *skb) | |
9 | { | |
10 | return nf_hook_list_active(&skb->dev->nf_hooks_ingress, | |
11 | NFPROTO_NETDEV, NF_NETDEV_INGRESS); | |
12 | } | |
13 | ||
14 | static inline int nf_hook_ingress(struct sk_buff *skb) | |
15 | { | |
16 | struct nf_hook_state state; | |
17 | ||
18 | nf_hook_state_init(&state, &skb->dev->nf_hooks_ingress, | |
19 | NF_NETDEV_INGRESS, INT_MIN, NFPROTO_NETDEV, NULL, | |
20 | skb->dev, NULL, NULL); | |
21 | return nf_hook_slow(skb, &state); | |
22 | } | |
23 | ||
24 | static inline void nf_hook_ingress_init(struct net_device *dev) | |
25 | { | |
26 | INIT_LIST_HEAD(&dev->nf_hooks_ingress); | |
27 | } | |
28 | #else /* CONFIG_NETFILTER_INGRESS */ | |
29 | static inline int nf_hook_ingress_active(struct sk_buff *skb) | |
30 | { | |
31 | return 0; | |
32 | } | |
33 | ||
34 | static inline int nf_hook_ingress(struct sk_buff *skb) | |
35 | { | |
36 | return 0; | |
37 | } | |
38 | ||
39 | static inline void nf_hook_ingress_init(struct net_device *dev) {} | |
40 | #endif /* CONFIG_NETFILTER_INGRESS */ | |
41 | #endif /* _NETFILTER_INGRESS_H_ */ |