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Diffstat (limited to 'include/net/dst.h')
-rw-r--r--include/net/dst.h32
1 files changed, 23 insertions, 9 deletions
diff --git a/include/net/dst.h b/include/net/dst.h
index 77eb53fabfb0..71c60f42be48 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -45,7 +45,7 @@ struct dst_entry {
void *__pad1;
#endif
int (*input)(struct sk_buff *);
- int (*output)(struct sk_buff *);
+ int (*output)(struct sock *sk, struct sk_buff *skb);
unsigned short flags;
#define DST_HOST 0x0001
@@ -54,10 +54,9 @@ struct dst_entry {
#define DST_NOHASH 0x0008
#define DST_NOCACHE 0x0010
#define DST_NOCOUNT 0x0020
-#define DST_NOPEER 0x0040
-#define DST_FAKE_RTABLE 0x0080
-#define DST_XFRM_TUNNEL 0x0100
-#define DST_XFRM_QUEUE 0x0200
+#define DST_FAKE_RTABLE 0x0040
+#define DST_XFRM_TUNNEL 0x0080
+#define DST_XFRM_QUEUE 0x0100
unsigned short pending_confirm;
@@ -109,9 +108,11 @@ struct dst_entry {
u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old);
extern const u32 dst_default_metrics[];
-#define DST_METRICS_READ_ONLY 0x1UL
+#define DST_METRICS_READ_ONLY 0x1UL
+#define DST_METRICS_FORCE_OVERWRITE 0x2UL
+#define DST_METRICS_FLAGS 0x3UL
#define __DST_METRICS_PTR(Y) \
- ((u32 *)((Y) & ~DST_METRICS_READ_ONLY))
+ ((u32 *)((Y) & ~DST_METRICS_FLAGS))
#define DST_METRICS_PTR(X) __DST_METRICS_PTR((X)->_metrics)
static inline bool dst_metrics_read_only(const struct dst_entry *dst)
@@ -119,6 +120,11 @@ static inline bool dst_metrics_read_only(const struct dst_entry *dst)
return dst->_metrics & DST_METRICS_READ_ONLY;
}
+static inline void dst_metrics_set_force_overwrite(struct dst_entry *dst)
+{
+ dst->_metrics |= DST_METRICS_FORCE_OVERWRITE;
+}
+
void __dst_destroy_metrics_generic(struct dst_entry *dst, unsigned long old);
static inline void dst_destroy_metrics_generic(struct dst_entry *dst)
@@ -361,7 +367,11 @@ static inline struct dst_entry *skb_dst_pop(struct sk_buff *skb)
return child;
}
-int dst_discard(struct sk_buff *skb);
+int dst_discard_sk(struct sock *sk, struct sk_buff *skb);
+static inline int dst_discard(struct sk_buff *skb)
+{
+ return dst_discard_sk(skb->sk, skb);
+}
void *dst_alloc(struct dst_ops *ops, struct net_device *dev, int initial_ref,
int initial_obsolete, unsigned short flags);
void __dst_free(struct dst_entry *dst);
@@ -443,9 +453,13 @@ static inline void dst_set_expires(struct dst_entry *dst, int timeout)
}
/* Output packet to network from transport. */
+static inline int dst_output_sk(struct sock *sk, struct sk_buff *skb)
+{
+ return skb_dst(skb)->output(sk, skb);
+}
static inline int dst_output(struct sk_buff *skb)
{
- return skb_dst(skb)->output(skb);
+ return dst_output_sk(skb->sk, skb);
}
/* Input packet from network to transport. */
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