[IPSEC]: Merge most of the input path

[linux-2.6-omap-h63xx.git] / include / net / xfrm.h

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 99677207a4ce929fa2387d8dfe1f51b0e6f28060..329de412c0ba5bce47293c4b680e9a035732cbad 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -274,6 +274,8 @@ struct xfrm_state_afinfo {
                                                 struct sk_buff *skb);
        int                     (*extract_output)(struct xfrm_state *x,
                                                  struct sk_buff *skb);
+       int                     (*transport_finish)(struct sk_buff *skb,
+                                                   int async);
 };
 
 extern int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo);
@@ -522,6 +524,22 @@ struct xfrm_mode_skb_cb {
 
 #define XFRM_MODE_SKB_CB(__skb) ((struct xfrm_mode_skb_cb *)&((__skb)->cb[0]))
 
+/*
+ * This structure is used by the input processing to locate the SPI and
+ * related information.
+ */
+struct xfrm_spi_skb_cb {
+       union {
+               struct inet_skb_parm h4;
+               struct inet6_skb_parm h6;
+       } header;
+
+       unsigned int nhoff;
+       unsigned int daddroff;
+};
+
+#define XFRM_SPI_SKB_CB(__skb) ((struct xfrm_spi_skb_cb *)&((__skb)->cb[0]))
+
 /* Audit Information */
 struct xfrm_audit
 {
@@ -1119,12 +1137,15 @@ extern void xfrm_replay_notify(struct xfrm_state *x, int event);
 extern int xfrm_state_mtu(struct xfrm_state *x, int mtu);
 extern int xfrm_init_state(struct xfrm_state *x);
 extern int xfrm_prepare_input(struct xfrm_state *x, struct sk_buff *skb);
+extern int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi,
+                     int encap_type);
 extern int xfrm_output_resume(struct sk_buff *skb, int err);
 extern int xfrm_output(struct sk_buff *skb);
 extern int xfrm4_extract_header(struct sk_buff *skb);
 extern int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
                           int encap_type);
+extern int xfrm4_transport_finish(struct sk_buff *skb, int async);
 extern int xfrm4_rcv(struct sk_buff *skb);
 
 static inline int xfrm4_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi)
@@ -1140,6 +1161,7 @@ extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short f
 extern int xfrm6_extract_header(struct sk_buff *skb);
 extern int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi);
+extern int xfrm6_transport_finish(struct sk_buff *skb, int async);
 extern int xfrm6_rcv(struct sk_buff *skb);
 extern int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
                            xfrm_address_t *saddr, u8 proto);