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Diffstat (limited to 'include/net/dst.h')
-rw-r--r--include/net/dst.h30
1 files changed, 22 insertions, 8 deletions
diff --git a/include/net/dst.h b/include/net/dst.h
index e9ff4a4..e3ac7d0 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -50,14 +50,17 @@ 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];
struct dst_entry *path;
unsigned long rate_last; /* rate limiting for ICMP */
- unsigned long rate_tokens;
+ unsigned int rate_tokens;
+
+#ifdef CONFIG_NET_CLS_ROUTE
+ __u32 tclassid;
+#endif
struct neighbour *neighbour;
struct hh_cache *hh;
@@ -66,10 +69,6 @@ struct dst_entry
int (*input)(struct sk_buff*);
int (*output)(struct sk_buff*);
-#ifdef CONFIG_NET_CLS_ROUTE
- __u32 tclassid;
-#endif
-
struct dst_ops *ops;
unsigned long lastuse;
@@ -81,7 +80,6 @@ struct dst_entry
struct rt6_info *rt6_next;
struct dn_route *dn_next;
};
- char info[0];
};
@@ -91,7 +89,7 @@ struct dst_ops
__be16 protocol;
unsigned gc_thresh;
- int (*gc)(void);
+ int (*gc)(struct dst_ops *ops);
struct dst_entry * (*check)(struct dst_entry *, __u32 cookie);
void (*destroy)(struct dst_entry *);
void (*ifdown)(struct dst_entry *,
@@ -99,10 +97,12 @@ 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;
struct kmem_cache *kmem_cachep;
+ struct net *dst_net;
};
#ifdef __KERNEL__
@@ -143,6 +143,13 @@ static inline void dst_hold(struct dst_entry * dst)
atomic_inc(&dst->__refcnt);
}
+static inline void dst_use(struct dst_entry *dst, unsigned long time)
+{
+ dst_hold(dst);
+ dst->__use++;
+ dst->lastuse = time;
+}
+
static inline
struct dst_entry * dst_clone(struct dst_entry * dst)
{
@@ -173,6 +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);
@@ -257,6 +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,
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