diff options
Diffstat (limited to 'net/l2tp/l2tp_core.h')
| -rw-r--r-- | net/l2tp/l2tp_core.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index 5804065dfbfb..04a9488c54b4 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -15,6 +15,10 @@ #include <net/dst.h> #include <net/sock.h> +#ifdef CONFIG_XFRM +#include <net/xfrm.h> +#endif + /* Just some random numbers */ #define L2TP_TUNNEL_MAGIC 0x42114DDA #define L2TP_SESSION_MAGIC 0x0C04EB7D @@ -284,6 +288,21 @@ static inline u32 l2tp_tunnel_dst_mtu(const struct l2tp_tunnel *tunnel) return mtu; } +#ifdef CONFIG_XFRM +static inline bool l2tp_tunnel_uses_xfrm(const struct l2tp_tunnel *tunnel) +{ + struct sock *sk = tunnel->sock; + + return sk && (rcu_access_pointer(sk->sk_policy[0]) || + rcu_access_pointer(sk->sk_policy[1])); +} +#else +static inline bool l2tp_tunnel_uses_xfrm(const struct l2tp_tunnel *tunnel) +{ + return false; +} +#endif + #define l2tp_printk(ptr, type, func, fmt, ...) \ do { \ if (((ptr)->debug) & (type)) \ |