nf_queue.h
#ifndef _NF_QUEUE_H
#define _NF_QUEUE_H
/* Each queued (to userspace) skbuff has one of these. */
struct nf_queue_entry {
struct list_head list;
struct sk_buff *skb;
unsigned int id;
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 *);
};
#define nf_queue_entry_reroute(x) ((void *)x + sizeof(struct nf_queue_entry))
/* Packet queuing */
struct nf_queue_handler {
int (*outfn)(struct nf_queue_entry *entry,
unsigned int queuenum);
char *name;
};
extern int nf_register_queue_handler(u_int8_t pf,
const struct nf_queue_handler *qh);
extern int nf_unregister_queue_handler(u_int8_t pf,
const struct nf_queue_handler *qh);
extern void nf_unregister_queue_handlers(const struct nf_queue_handler *qh);
extern void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict);
#endif /* _NF_QUEUE_H */