embeded-sourcecoder
diff --git a/‎include/net/neighbour.h
Lines changed: 12 additions & 4 deletions b/‎include/net/neighbour.h
Lines changed: 12 additions & 4 deletions
diff --git a/‎net/atm/clip.c
Lines changed: 2 additions & 2 deletions b/‎net/atm/clip.c
Lines changed: 2 additions & 2 deletions
@@ -138,13 +138,22 @@ struct pneigh_entry {
  *	neighbour table manipulation
  */
 
+struct neigh_hash_table {
+	struct neighbour	**hash_buckets;
+	unsigned int		hash_mask;
+	__u32			hash_rnd;
+	struct rcu_head		rcu;
+};
+
 
 struct neigh_table {
 	struct neigh_table	*next;
 	int			family;
 	int			entry_size;
 	int			key_len;
-	__u32			(*hash)(const void *pkey, const struct net_device *);
+	__u32			(*hash)(const void *pkey,
+					const struct net_device *dev,
+					__u32 hash_rnd);
 	int			(*constructor)(struct neighbour *);
 	int			(*pconstructor)(struct pneigh_entry *);
 	void			(*pdestructor)(struct pneigh_entry *);
@@ -165,9 +174,7 @@ struct neigh_table {
 	unsigned long		last_rand;
 	struct kmem_cache	*kmem_cachep;
 	struct neigh_statistics	__percpu *stats;
-	struct neighbour	**hash_buckets;
-	unsigned int		hash_mask;
-	__u32			hash_rnd;
+	struct neigh_hash_table __rcu *nht;
 	struct pneigh_entry	**phash_buckets;
 };
 
@@ -237,6 +244,7 @@ extern void pneigh_for_each(struct neigh_table *tbl, void (*cb)(struct pneigh_en
 struct neigh_seq_state {
 	struct seq_net_private p;
 	struct neigh_table *tbl;
+	struct neigh_hash_table *nht;
 	void *(*neigh_sub_iter)(struct neigh_seq_state *state,
 				struct neighbour *n, loff_t *pos);
 	unsigned int bucket;
 
@@ -310,9 +310,9 @@ static int clip_constructor(struct neighbour *neigh)
 	return 0;
 }
 
-static u32 clip_hash(const void *pkey, const struct net_device *dev)
+static u32 clip_hash(const void *pkey, const struct net_device *dev, __u32 rnd)
 {
-	return jhash_2words(*(u32 *) pkey, dev->ifindex, clip_tbl.hash_rnd);
+	return jhash_2words(*(u32 *) pkey, dev->ifindex, rnd);
 }
 
 static struct neigh_table clip_tbl = {
Original file line number	Diff line number	Diff line change
`@@ -310,9 +310,9 @@ static int clip_constructor(struct neighbour *neigh)`
`310`	`310`	`return 0;`
`311`	`311`	`}`
`312`	`312`
`313`		`-static u32 clip_hash(const void pkey, const struct net_device dev)`
	`313`	`+static u32 clip_hash(const void pkey, const struct net_device dev, __u32 rnd)`
`314`	`314`	`{`
`315`		`- return jhash_2words((u32 ) pkey, dev->ifindex, clip_tbl.hash_rnd);`
	`315`	`+ return jhash_2words((u32 ) pkey, dev->ifindex, rnd);`
`316`	`316`	`}`
`317`	`317`
`318`	`318`	`static struct neigh_table clip_tbl = {`