LXR linux/include/net/dst

   1#ifndef _NET_DST_OPS_H
   2#define _NET_DST_OPS_H
   3#include <linux/types.h>
   4
   5struct dst_entry;
   6struct kmem_cachep;
   7struct net_device;
   8struct sk_buff;
   9
  10struct dst_ops {
  11        unsigned short          family;
  12        __be16                  protocol;
  13        unsigned                gc_thresh;
  14
  15        int                     (*gc)(struct dst_ops *ops);
  16        struct dst_entry *      (*check)(struct dst_entry *, __u32 cookie);
  17        void                    (*destroy)(struct dst_entry *);
  18        void                    (*ifdown)(struct dst_entry *,
  19                                          struct net_device *dev, int how);
  20        struct dst_entry *      (*negative_advice)(struct dst_entry *);
  21        void                    (*link_failure)(struct sk_buff *);
  22        void                    (*update_pmtu)(struct dst_entry *dst, u32 mtu);
  23        int                     (*local_out)(struct sk_buff *skb);
  24
  25        atomic_t                entries;
  26        struct kmem_cache       *kmem_cachep;
  27};
  28#endif
  29