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-rw-r--r--net/core/skbuff.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index e514a36bcffc..0118f0afaa4f 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -759,21 +759,23 @@ void __kfree_skb(struct sk_buff *skb)
EXPORT_SYMBOL(__kfree_skb);
/**
- * kfree_skb - free an sk_buff
+ * kfree_skb_reason - free an sk_buff with special reason
* @skb: buffer to free
+ * @reason: reason why this skb is dropped
*
* Drop a reference to the buffer and free it if the usage count has
- * hit zero.
+ * hit zero. Meanwhile, pass the drop reason to 'kfree_skb'
+ * tracepoint.
*/
-void kfree_skb(struct sk_buff *skb)
+void kfree_skb_reason(struct sk_buff *skb, enum skb_drop_reason reason)
{
if (!skb_unref(skb))
return;
- trace_kfree_skb(skb, __builtin_return_address(0));
+ trace_kfree_skb(skb, __builtin_return_address(0), reason);
__kfree_skb(skb);
}
-EXPORT_SYMBOL(kfree_skb);
+EXPORT_SYMBOL(kfree_skb_reason);
void kfree_skb_list(struct sk_buff *segs)
{