include/net/neighbour.h

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