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-rw-r--r--include/net/neighbour.h16
1 files changed, 12 insertions, 4 deletions
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 7d08fd1062f..37845dae648 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -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;