| Pablo Neira | e687ad6 | 2015-05-13 18:19:38 +0200 | [diff] [blame] | 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_ */ |