[IPV6]: Make fib6_init to return an error code.

[linux-2.6] / include / net / xfrm.h

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 138c1868be1d3ff09de5aee2c1774c3250b9cb1e..182f10b29d88111ffb3ab60495b1323fe43408c5 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -183,7 +183,7 @@ struct xfrm_state
        struct timer_list       timer;
 
        /* Last used time */
-       u64                     lastused;
+       unsigned long           lastused;
 
        /* Reference to data common to all the instances of this
         * transformer. */
@@ -258,6 +258,7 @@ extern int __xfrm_state_delete(struct xfrm_state *x);
 struct xfrm_state_afinfo {
        unsigned int            family;
        unsigned int            proto;
+       unsigned int            eth_proto;
        struct module           *owner;
        struct xfrm_type        *type_map[IPPROTO_MAX];
        struct xfrm_mode        *mode_map[XFRM_MODE_MAX];
@@ -268,8 +269,12 @@ struct xfrm_state_afinfo {
        int                     (*tmpl_sort)(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n);
        int                     (*state_sort)(struct xfrm_state **dst, struct xfrm_state **src, int n);
        int                     (*output)(struct sk_buff *skb);
+       int                     (*extract_input)(struct xfrm_state *x,
+                                                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);
@@ -302,6 +307,27 @@ extern int xfrm_register_type(struct xfrm_type *type, unsigned short family);
 extern int xfrm_unregister_type(struct xfrm_type *type, unsigned short family);
 
 struct xfrm_mode {
+       /*
+        * Remove encapsulation header.
+        *
+        * The IP header will be moved over the top of the encapsulation
+        * header.
+        *
+        * On entry, the transport header shall point to where the IP header
+        * should be and the network header shall be set to where the IP
+        * header currently is.  skb->data shall point to the start of the
+        * payload.
+        */
+       int (*input2)(struct xfrm_state *x, struct sk_buff *skb);
+
+       /*
+        * This is the actual input entry point.
+        *
+        * For transport mode and equivalent this would be identical to
+        * input2 (which does not need to be set).  While tunnel mode
+        * and equivalent would set this to the tunnel encapsulation function
+        * xfrm4_prepare_input that would in turn call input2.
+        */
        int (*input)(struct xfrm_state *x, struct sk_buff *skb);
 
        /*
@@ -497,6 +523,22 @@ 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 daddroff;
+       unsigned int family;
+};
+
+#define XFRM_SPI_SKB_CB(__skb) ((struct xfrm_spi_skb_cb *)&((__skb)->cb[0]))
+
 /* Audit Information */
 struct xfrm_audit
 {
@@ -1093,10 +1135,17 @@ extern void xfrm_replay_advance(struct xfrm_state *x, __be32 seq);
 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_input_resume(struct sk_buff *skb, int nexthdr);
+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)
@@ -1110,7 +1159,9 @@ extern int xfrm4_output(struct sk_buff *skb);
 extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family);
 extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family);
 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);