xfrm6: Add IPsec protocol multiplexer

[deliverable/linux.git] / include / net / xfrm.h

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index af13599b60a03c6467c289e5c5f49e8510db37f3..6304ec394c4aad96df18484c5f3225ea0df1f4f9 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1374,6 +1374,16 @@ struct xfrm4_protocol {
        int priority;
 };
 
+struct xfrm6_protocol {
+       int (*handler)(struct sk_buff *skb);
+       int (*cb_handler)(struct sk_buff *skb, int err);
+       int (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt,
+                          u8 type, u8 code, int offset, __be32 info);
+
+       struct xfrm6_protocol __rcu *next;
+       int priority;
+};
+
 /* XFRM tunnel handlers.  */
 struct xfrm_tunnel {
        int (*handler)(struct sk_buff *skb);
@@ -1408,6 +1418,8 @@ int xfrm6_init(void);
 void xfrm6_fini(void);
 int xfrm6_state_init(void);
 void xfrm6_state_fini(void);
+int xfrm6_protocol_init(void);
+void xfrm6_protocol_fini(void);
 #else
 static inline int xfrm6_init(void)
 {
@@ -1552,6 +1564,9 @@ int xfrm6_rcv(struct sk_buff *skb);
 int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
                     xfrm_address_t *saddr, u8 proto);
 void xfrm6_local_error(struct sk_buff *skb, u32 mtu);
+int xfrm6_rcv_cb(struct sk_buff *skb, u8 protocol, int err);
+int xfrm6_protocol_register(struct xfrm6_protocol *handler, unsigned char protocol);
+int xfrm6_protocol_deregister(struct xfrm6_protocol *handler, unsigned char protocol);
 int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family);
 int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family);
 __be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr);