LXR linux/include/net/netfilter/nf

   1#ifndef _NF_QUEUE_H
   2#define _NF_QUEUE_H
   3
   4/* Each queued (to userspace) skbuff has one of these. */
   5struct nf_queue_entry {
   6        struct list_head        list;
   7        struct sk_buff          *skb;
   8        unsigned int            id;
   9
  10        struct nf_hook_ops      *elem;
  11        u_int8_t                pf;
  12        unsigned int            hook;
  13        struct net_device       *indev;
  14        struct net_device       *outdev;
  15        int                     (*okfn)(struct sk_buff *);
  16};
  17
  18#define nf_queue_entry_reroute(x) ((void *)x + sizeof(struct nf_queue_entry))
  19
  20/* Packet queuing */
  21struct nf_queue_handler {
  22        int                     (*outfn)(struct nf_queue_entry *entry,
  23                                         unsigned int queuenum);
  24        char                    *name;
  25};
  26
  27extern int nf_register_queue_handler(u_int8_t pf,
  28                                     const struct nf_queue_handler *qh);
  29extern int nf_unregister_queue_handler(u_int8_t pf,
  30                                       const struct nf_queue_handler *qh);
  31extern void nf_unregister_queue_handlers(const struct nf_queue_handler *qh);
  32extern void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict);
  33
  34#endif /* _NF_QUEUE_H */
  35