include/net/neighbour.h

200 struct neigh_table {  struct
201 	int			family;
202 	unsigned int		entry_size;
203 	unsigned int		key_len;
204 	__be16			protocol;
205 	__u32			(*hash)(const void *pkey,
208 	bool			(*key_eq)(const struct neighbour *, const void *pkey);
209 	int			(*constructor)(struct neighbour *);
210 	int			(*pconstructor)(struct pneigh_entry *);
211 	void			(*pdestructor)(struct pneigh_entry *);
212 	void			(*proxy_redo)(struct sk_buff *skb);
213 	int			(*is_multicast)(const void *pkey);
214 	bool			(*allow_add)(const struct net_device *dev,
216 	char			*id;
217 	struct neigh_parms	parms;
218 	struct list_head	parms_list;
219 	int			gc_interval;
220 	int			gc_thresh1;
221 	int			gc_thresh2;
222 	int			gc_thresh3;
223 	unsigned long		last_flush;
224 	struct delayed_work	gc_work;
225 	struct delayed_work	managed_work;
226 	struct timer_list 	proxy_timer;
227 	struct sk_buff_head	proxy_queue;
228 	atomic_t		entries;
229 	atomic_t		gc_entries;
230 	struct list_head	gc_list;
231 	struct list_head	managed_list;
232 	rwlock_t		lock;
233 	unsigned long		last_rand;
234 	struct neigh_statistics	__percpu *stats;
235 	struct neigh_hash_table __rcu *nht;
236 	struct pneigh_entry	**phash_buckets;