11  *	Harald Welte		Add neighbour cache statistics like rtstat
28 #include <net/neighbour.h>
53 static void __neigh_notify(struct neighbour *n, int type, int flags,
55 static void neigh_update_notify(struct neighbour *neigh, u32 nlmsg_pid);
83    Neighbour hash table buckets are protected with rwlock tbl->lock.
88      It will result in deadlocks, if backend/driver wants to use neighbour
93    Neighbour entries are protected:
107    not make callbacks to neighbour tables.
110 static int neigh_blackhole(struct neighbour *neigh, struct sk_buff *skb)  in neigh_blackhole()
116 static void neigh_cleanup_and_release(struct neighbour *neigh)  in neigh_cleanup_and_release()
136 static void neigh_mark_dead(struct neighbour *n)  in neigh_mark_dead()
147 static void neigh_update_gc_list(struct neighbour *n)  in neigh_update_gc_list()
176 static void neigh_update_managed_list(struct neighbour *n)  in neigh_update_managed_list()
197 static void neigh_update_flags(struct neighbour *neigh, u32 flags, int *notify,  in neigh_update_flags()
226 bool neigh_remove_one(struct neighbour *n)  in neigh_remove_one()
249 	struct neighbour *n, *tmp;  in neigh_forced_gc()
289 static void neigh_add_timer(struct neighbour *n, unsigned long when)  in neigh_add_timer()
309 static int neigh_del_timer(struct neighbour *n)  in neigh_del_timer()
376 	struct neighbour *n;  in neigh_flush_dev()
391 			 * We must destroy neighbour entry,  in neigh_flush_dev()
448 static struct neighbour *neigh_alloc(struct neigh_table *tbl,  in neigh_alloc()
452 	struct neighbour *n = NULL;  in neigh_alloc()
559 		struct neighbour *n;  in neigh_hash_grow()
577 struct neighbour *neigh_lookup(struct neigh_table *tbl, const void *pkey,  in neigh_lookup()
580 	struct neighbour *n;  in neigh_lookup()
597 static struct neighbour *
603 	struct neighbour *n1, *rc, *n;  in ___neigh_create()
690 struct neighbour *__neigh_create(struct neigh_table *tbl, const void *pkey,  in __neigh_create()
844  *	neighbour must already be out of the table;
847 void neigh_destroy(struct neighbour *neigh)  in neigh_destroy()
854 		pr_warn("Destroying alive neighbour %p\n", neigh);  in neigh_destroy()
880 /* Neighbour state is suspicious;
885 static void neigh_suspect(struct neighbour *neigh)  in neigh_suspect()
892 /* Neighbour state is OK;
897 static void neigh_connect(struct neighbour *neigh)  in neigh_connect()
909 	struct neighbour *n;  in neigh_periodic_work()
984 static __inline__ int neigh_max_probes(struct neighbour *n)  in neigh_max_probes()
992 static void neigh_invalidate(struct neighbour *neigh)  in neigh_invalidate()
1003 	   routine. Particularly, it can hit the same neighbour entry!  in neigh_invalidate()
1017 static void neigh_probe(struct neighbour *neigh)  in neigh_probe()
1031 /* Called when a timer expires for a neighbour entry. */
1036 	struct neighbour *neigh = from_timer(neigh, t, timer);  in neigh_timer_handler()
1122 int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb,  in __neigh_event_send()
1210 static void neigh_update_hhs(struct neighbour *neigh)  in neigh_update_hhs()
1243 	NEIGH_UPDATE_F_ISROUTER	indicates if the neighbour is known as
1248 static int __neigh_update(struct neighbour *neigh, const u8 *lladdr,  in __neigh_update()
1323 	/* Update confirmed timestamp for neighbour entry after we  in __neigh_update()
1351 	 * neighbour entry. Otherwise we risk to move the locktime window with  in __neigh_update()
1394 			struct neighbour *n2, *n1 = neigh;  in __neigh_update()
1436 int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,  in neigh_update()
1446 void __neigh_set_probe_once(struct neighbour *neigh)  in __neigh_set_probe_once()
1461 struct neighbour *neigh_event_ns(struct neigh_table *tbl,  in neigh_event_ns()
1465 	struct neighbour *neigh = __neigh_lookup(tbl, saddr, dev,  in neigh_event_ns()
1475 static void neigh_hh_init(struct neighbour *n)  in neigh_hh_init()
1494 int neigh_resolve_output(struct neighbour *neigh, struct sk_buff *skb)  in neigh_resolve_output()
1529 int neigh_connected_output(struct neighbour *neigh, struct sk_buff *skb)  in neigh_connected_output()
1552 int neigh_direct_output(struct neighbour *neigh, struct sk_buff *skb)  in neigh_direct_output()
1562 	struct neighbour *neigh;  in neigh_managed_work()
1743 		panic("cannot create neighbour cache statistics");  in neigh_table_init()
1748 		panic("cannot create neighbour proc dir entry");  in neigh_table_init()
1757 		panic("cannot allocate neighbour cache hashes");  in neigh_table_init()
1760 		tbl->entry_size = ALIGN(offsetof(struct neighbour, primary_key) +  in neigh_table_init()
1800 		pr_crit("neighbour leakage\n");  in neigh_table_clear()
1858 	struct neighbour *neigh;  in neigh_delete()
1926 	struct neighbour *neigh;  in neigh_add()
2520 static int neigh_fill_info(struct sk_buff *skb, struct neighbour *neigh,  in neigh_fill_info()
2622 static void neigh_update_notify(struct neighbour *neigh, u32 nlmsg_pid)  in neigh_update_notify()
2667 	struct neighbour *n;  in neigh_dump_table()
2927 static int neigh_get_reply(struct net *net, struct neighbour *neigh,  in neigh_get_reply()
2983 	struct neighbour *neigh;  in neigh_get()
3012 			NL_SET_ERR_MSG(extack, "Proxy neighbour entry not found");  in neigh_get()
3026 		NL_SET_ERR_MSG(extack, "Neighbour entry not found");  in neigh_get()
3038 void neigh_for_each(struct neigh_table *tbl, void (*cb)(struct neighbour *, void *), void *cookie)  in neigh_for_each()  argument
3048 		struct neighbour *n;  in neigh_for_each()
3060 			      int (*cb)(struct neighbour *))  in __neigh_for_each_release()  argument
3069 		struct neighbour *n;  in __neigh_for_each_release()
3096 		struct neighbour *neigh;  in neigh_xmit()
3137 static struct neighbour *neigh_get_valid(struct seq_file *seq,  in neigh_get_valid()
3138 					 struct neighbour *n,  in neigh_get_valid()
3167 static struct neighbour *neigh_get_first(struct seq_file *seq)  in neigh_get_first()
3171 	struct neighbour *n, *tmp;  in neigh_get_first()
3186 static struct neighbour *neigh_get_next(struct seq_file *seq,  in neigh_get_next()
3187 					struct neighbour *n,  in neigh_get_next()
3191 	struct neighbour *tmp;  in neigh_get_next()
3216 static struct neighbour *neigh_get_idx(struct seq_file *seq, loff_t *pos)  in neigh_get_idx()
3218 	struct neighbour *n = neigh_get_first(seq);  in neigh_get_idx()
3448 static void __neigh_notify(struct neighbour *n, int type, int flags,  in __neigh_notify()
3476 void neigh_app_ns(struct neighbour *n)  in neigh_app_ns()
3775 		 * applied after the next neighbour update instead of waiting for  in neigh_sysctl_register()