Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[safe/jmp/linux-2.6] / net / core / neighbour.c

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 857915a..d8d0ca9 100644 (file)
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -466,6 +466,28 @@ out_neigh_release:
        goto out;
 }
 
+struct pneigh_entry *__pneigh_lookup(struct neigh_table *tbl,
+               struct net *net, const void *pkey, struct net_device *dev)
+{
+       struct pneigh_entry *n;
+       int key_len = tbl->key_len;
+       u32 hash_val = *(u32 *)(pkey + key_len - 4);
+
+       hash_val ^= (hash_val >> 16);
+       hash_val ^= hash_val >> 8;
+       hash_val ^= hash_val >> 4;
+       hash_val &= PNEIGH_HASHMASK;
+
+       for (n = tbl->phash_buckets[hash_val]; n; n = n->next) {
+               if (!memcmp(n->key, pkey, key_len) &&
+                   (pneigh_net(n) == net) &&
+                   (n->dev == dev || !n->dev))
+                       break;
+       }
+
+       return n;
+}
+
 struct pneigh_entry * pneigh_lookup(struct neigh_table *tbl,
                                    struct net *net, const void *pkey,
                                    struct net_device *dev, int creat)
@@ -2808,6 +2830,7 @@ EXPORT_SYMBOL(neigh_table_init_no_netlink);
 EXPORT_SYMBOL(neigh_update);
 EXPORT_SYMBOL(pneigh_enqueue);
 EXPORT_SYMBOL(pneigh_lookup);
+EXPORT_SYMBOL_GPL(__pneigh_lookup);
 
 #ifdef CONFIG_ARPD
 EXPORT_SYMBOL(neigh_app_ns);