neigh: introduce neigh_confirm() helper function
Add neigh_confirm() for the confirmed member in struct neighbour,
it can be called as an independent unit by other functions.
Signed-off-by: Yajun Deng <[email protected]>
Reviewed-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 04341d8..53cb8de 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -411,13 +411,7 @@ static inline void __ipv6_confirm_neigh(struct net_device *dev,
rcu_read_lock_bh();
n = __ipv6_neigh_lookup_noref(dev, pkey);
- if (n) {
- unsigned long now = jiffies;
-
- /* avoid dirtying neighbour */
- if (READ_ONCE(n->confirmed) != now)
- WRITE_ONCE(n->confirmed, now);
- }
+ neigh_confirm(n);
rcu_read_unlock_bh();
}
@@ -428,13 +422,7 @@ static inline void __ipv6_confirm_neigh_stub(struct net_device *dev,
rcu_read_lock_bh();
n = __ipv6_neigh_lookup_noref_stub(dev, pkey);
- if (n) {
- unsigned long now = jiffies;
-
- /* avoid dirtying neighbour */
- if (READ_ONCE(n->confirmed) != now)
- WRITE_ONCE(n->confirmed, now);
- }
+ neigh_confirm(n);
rcu_read_unlock_bh();
}
