net: add _skb_dst opaque field

PATCH In review Eric Dumazet 1 participant 1 message Jun 2, 2009

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Eric Dumazet

author

2009-06-02 15:13 UTC #0 lore raw

PATCH 1/4 net: add _skb_dst opaque field

struct sk_buff uses one union to define dst and rtable fields.

We want to replace direct access to these pointers by accessors.

First patch adds a new "unsigned long _skb_dst;" opaque field in this union.

Signed-off-by Eric Dumazet <[email protected]>

---

include/linux/skbuff.h +1 -0

index aff494b..d4d7c66 100644
@@ -325,6 +325,7 @@ struct sk_buff {
 	union {
 		struct  dst_entry	*dst;
 		struct  rtable		*rtable;
+		unsigned long		_skb_dst;
 	};
 #ifdef CONFIG_XFRM
 	struct	sec_path	*sp;