[mirror_ubuntu-bionic-kernel.git] / include / linux / netfilter_ingress.h

#ifndef _NETFILTER_INGRESS_H_
#define _NETFILTER_INGRESS_H_

#include <linux/netfilter.h>
#include <linux/netdevice.h>

#ifdef CONFIG_NETFILTER_INGRESS
static inline int nf_hook_ingress_active(struct sk_buff *skb)
{
	return nf_hook_list_active(&skb->dev->nf_hooks_ingress,
				   NFPROTO_NETDEV, NF_NETDEV_INGRESS);
}

static inline int nf_hook_ingress(struct sk_buff *skb)
{
	struct nf_hook_state state;

	nf_hook_state_init(&state, &skb->dev->nf_hooks_ingress,
			   NF_NETDEV_INGRESS, INT_MIN, NFPROTO_NETDEV, NULL,
			   skb->dev, NULL, NULL);
	return nf_hook_slow(skb, &state);
}

static inline void nf_hook_ingress_init(struct net_device *dev)
{
	INIT_LIST_HEAD(&dev->nf_hooks_ingress);
}
#else /* CONFIG_NETFILTER_INGRESS */
static inline int nf_hook_ingress_active(struct sk_buff *skb)
{
	return 0;
}

static inline int nf_hook_ingress(struct sk_buff *skb)
{
	return 0;
}

static inline void nf_hook_ingress_init(struct net_device *dev) {}
#endif /* CONFIG_NETFILTER_INGRESS */
#endif /* _NETFILTER_INGRESS_H_ */
Commit	Line	Data
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_ */