ARM: rockchip: rk3228: add grf definition

[firefly-linux-kernel-4.4.55.git] / include / linux / netfilter_ipv6.h

diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index 98ffb54988b6d79d16c7364212337e6312271393..2d4df6ce043efab2f9017bc5359b90846f085fb7 100644 (file)
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -17,6 +17,22 @@ extern __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
 
 extern int ipv6_netfilter_init(void);
 extern void ipv6_netfilter_fini(void);
+
+/*
+ * Hook functions for ipv6 to allow xt_* modules to be built-in even
+ * if IPv6 is a module.
+ */
+struct nf_ipv6_ops {
+       int (*chk_addr)(struct net *net, const struct in6_addr *addr,
+                       const struct net_device *dev, int strict);
+};
+
+extern const struct nf_ipv6_ops __rcu *nf_ipv6_ops;
+static inline const struct nf_ipv6_ops *nf_get_ipv6_ops(void)
+{
+       return rcu_dereference(nf_ipv6_ops);
+}
+
 #else /* CONFIG_NETFILTER */
 static inline int ipv6_netfilter_init(void) { return 0; }
 static inline void ipv6_netfilter_fini(void) { return; }