nf_internals.h

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#ifndef _NF_INTERNALS_H
#define _NF_INTERNALS_H

#include <linux/list.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>

#ifdef CONFIG_NETFILTER_DEBUG
#define NFDEBUG(format, args...)  printk(KERN_DEBUG format , ## args)
#else
#define NFDEBUG(format, args...)
#endif


/* core.c */
extern unsigned int nf_iterate(struct list_head *head,
                struct sk_buff *skb,
                unsigned int hook,
                const struct net_device *indev,
                const struct net_device *outdev,
                struct nf_hook_ops **elemp,
                int (*okfn)(struct sk_buff *),
                int hook_thresh);

/* nf_queue.c */
extern int nf_queue(struct sk_buff *skb,
            struct nf_hook_ops *elem,
            u_int8_t pf, unsigned int hook,
            struct net_device *indev,
            struct net_device *outdev,
            int (*okfn)(struct sk_buff *),
            unsigned int queuenum);
extern int __init netfilter_queue_init(void);

/* nf_log.c */
extern int __init netfilter_log_init(void);

#endif