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Diffstat (limited to 'include/net/dst.h')
-rw-r--r--include/net/dst.h29
1 files changed, 24 insertions, 5 deletions
diff --git a/include/net/dst.h b/include/net/dst.h
index 2bc73f8a00a9..9261d928303d 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -57,6 +57,7 @@ struct dst_entry {
#define DST_FAKE_RTABLE 0x0040
#define DST_XFRM_TUNNEL 0x0080
#define DST_XFRM_QUEUE 0x0100
+#define DST_METADATA 0x0200
unsigned short pending_confirm;
@@ -83,12 +84,13 @@ struct dst_entry {
__u32 __pad2;
#endif
+#ifdef CONFIG_64BIT
+ struct lwtunnel_state *lwtstate;
/*
* Align __refcnt to a 64 bytes alignment
* (L1_CACHE_SIZE would be too much)
*/
-#ifdef CONFIG_64BIT
- long __pad_to_align_refcnt[2];
+ long __pad_to_align_refcnt[1];
#endif
/*
* __refcnt wants to be on a different cache line from
@@ -97,6 +99,9 @@ struct dst_entry {
atomic_t __refcnt; /* client references */
int __use;
unsigned long lastuse;
+#ifndef CONFIG_64BIT
+ struct lwtunnel_state *lwtstate;
+#endif
union {
struct dst_entry *next;
struct rtable __rcu *rt_next;
@@ -202,6 +207,12 @@ static inline void dst_metric_set(struct dst_entry *dst, int metric, u32 val)
p[metric-1] = val;
}
+/* Kernel-internal feature bits that are unallocated in user space. */
+#define DST_FEATURE_ECN_CA (1 << 31)
+
+#define DST_FEATURE_MASK (DST_FEATURE_ECN_CA)
+#define DST_FEATURE_ECN_MASK (DST_FEATURE_ECN_CA | RTAX_FEATURE_ECN)
+
static inline u32
dst_feature(const struct dst_entry *dst, u32 feature)
{
@@ -284,13 +295,18 @@ static inline void skb_dst_drop(struct sk_buff *skb)
}
}
-static inline void skb_dst_copy(struct sk_buff *nskb, const struct sk_buff *oskb)
+static inline void __skb_dst_copy(struct sk_buff *nskb, unsigned long refdst)
{
- nskb->_skb_refdst = oskb->_skb_refdst;
+ nskb->_skb_refdst = refdst;
if (!(nskb->_skb_refdst & SKB_DST_NOREF))
dst_clone(skb_dst(nskb));
}
+static inline void skb_dst_copy(struct sk_buff *nskb, const struct sk_buff *oskb)
+{
+ __skb_dst_copy(nskb, oskb->_skb_refdst);
+}
+
/**
* skb_dst_force - makes sure skb dst is refcounted
* @skb: buffer
@@ -356,6 +372,9 @@ static inline int dst_discard(struct sk_buff *skb)
}
void *dst_alloc(struct dst_ops *ops, struct net_device *dev, int initial_ref,
int initial_obsolete, unsigned short flags);
+void dst_init(struct dst_entry *dst, struct dst_ops *ops,
+ struct net_device *dev, int initial_ref, int initial_obsolete,
+ unsigned short flags);
void __dst_free(struct dst_entry *dst);
struct dst_entry *dst_destroy(struct dst_entry *dst);
@@ -457,7 +476,7 @@ static inline struct dst_entry *dst_check(struct dst_entry *dst, u32 cookie)
return dst;
}
-void dst_init(void);
+void dst_subsys_init(void);
/* Flags for xfrm_lookup flags argument. */
enum {