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Diffstat (limited to 'include/net/lwtunnel.h')
-rw-r--r--include/net/lwtunnel.h10
1 files changed, 4 insertions, 6 deletions
diff --git a/include/net/lwtunnel.h b/include/net/lwtunnel.h
index ea3f80f58fd6..82e76fe1c1f7 100644
--- a/include/net/lwtunnel.h
+++ b/include/net/lwtunnel.h
@@ -24,11 +24,11 @@ enum {
struct lwtunnel_state {
__u16 type;
__u16 flags;
+ __u16 headroom;
atomic_t refcnt;
int (*orig_output)(struct net *net, struct sock *sk, struct sk_buff *skb);
int (*orig_input)(struct sk_buff *);
- int len;
- __u16 headroom;
+ struct rcu_head rcu;
__u8 data[0];
};
@@ -36,6 +36,7 @@ struct lwtunnel_encap_ops {
int (*build_state)(struct net_device *dev, struct nlattr *encap,
unsigned int family, const void *cfg,
struct lwtunnel_state **ts);
+ void (*destroy_state)(struct lwtunnel_state *lws);
int (*output)(struct net *net, struct sock *sk, struct sk_buff *skb);
int (*input)(struct sk_buff *skb);
int (*fill_encap)(struct sk_buff *skb,
@@ -46,10 +47,7 @@ struct lwtunnel_encap_ops {
};
#ifdef CONFIG_LWTUNNEL
-static inline void lwtstate_free(struct lwtunnel_state *lws)
-{
- kfree(lws);
-}
+void lwtstate_free(struct lwtunnel_state *lws);
static inline struct lwtunnel_state *
lwtstate_get(struct lwtunnel_state *lws)