diff options
Diffstat (limited to 'include/net/dst.h')
-rw-r--r-- | include/net/dst.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index 00467c1b5093..bab01363bb97 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -568,11 +568,23 @@ static inline struct net_device *dst_dev(const struct dst_entry *dst) return READ_ONCE(dst->dev); } +static inline struct net_device *dst_dev_rcu(const struct dst_entry *dst) +{ + /* In the future, use rcu_dereference(dst->dev) */ + WARN_ON_ONCE(!rcu_read_lock_held()); + return READ_ONCE(dst->dev); +} + static inline struct net_device *skb_dst_dev(const struct sk_buff *skb) { return dst_dev(skb_dst(skb)); } +static inline struct net_device *skb_dst_dev_rcu(const struct sk_buff *skb) +{ + return dst_dev_rcu(skb_dst(skb)); +} + static inline struct net *skb_dst_dev_net(const struct sk_buff *skb) { return dev_net(skb_dst_dev(skb)); |