a helper to prepare the first main RACK patch.
Signed-off-by: Yuchung Cheng <ych...@google.com>
Signed-off-by: Neal Cardwell <ncardw...@google.com>
Signed-off-by: Eric Dumazet <eduma...@google.com>
---
include/linux/skbuff.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 4398411..24f4dfd 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -463,6 +463,15 @@ static inline u32 skb_mstamp_us_delta(const struct
skb_mstamp *t1,
return delta_us;
}
+static inline bool skb_mstamp_after(const struct skb_mstamp *t1,
+ const struct skb_mstamp *t0)
+{
+ s32 diff = t1->stamp_jiffies - t0->stamp_jiffies;
+
+ if (!diff)
+ diff = t1->stamp_us - t0->stamp_us;
+ return diff > 0;
+}
/**
* struct sk_buff - socket buffer
--
2.6.0.rc2.230.g3dd15c0
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