[IPSEC]: Add ICMP host relookup support

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

diff --git a/include/net/dst.h b/include/net/dst.h
index 2f65e894b8295f310ad20d331e56d981c94b67d0..31468c9aa87774dae2883de50d2c72bfe645bdbc 100644 (file)
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -50,7 +50,6 @@ struct dst_entry
        unsigned long           expires;
 
        unsigned short          header_len;     /* more space at head required */
-       unsigned short          nfheader_len;   /* more non-fragment space at head required */
        unsigned short          trailer_len;    /* space to reserve at tail */
 
        u32                     metrics[RTAX_MAX];
@@ -99,6 +98,7 @@ struct dst_ops
        struct dst_entry *      (*negative_advice)(struct dst_entry *);
        void                    (*link_failure)(struct sk_buff *);
        void                    (*update_pmtu)(struct dst_entry *dst, u32 mtu);
+       int                     (*local_out)(struct sk_buff *skb);
        int                     entry_size;
 
        atomic_t                entries;
@@ -180,6 +180,7 @@ static inline struct dst_entry *dst_pop(struct dst_entry *dst)
        return child;
 }
 
+extern int dst_discard(struct sk_buff *skb);
 extern void * dst_alloc(struct dst_ops * ops);
 extern void __dst_free(struct dst_entry * dst);
 extern struct dst_entry *dst_destroy(struct dst_entry * dst);
@@ -264,6 +265,12 @@ static inline struct dst_entry *dst_check(struct dst_entry *dst, u32 cookie)
 
 extern void            dst_init(void);
 
+/* Flags for xfrm_lookup flags argument. */
+enum {
+       XFRM_LOOKUP_WAIT = 1 << 0,
+       XFRM_LOOKUP_ICMP = 1 << 1,
+};
+
 struct flowi;
 #ifndef CONFIG_XFRM
 static inline int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl,