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tcp: skb_mstamp_after helper
a helper to prepare the first main RACK patch. Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -463,6 +463,15 @@ static inline u32 skb_mstamp_us_delta(const struct skb_mstamp *t1,
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return delta_us;
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}
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static inline bool skb_mstamp_after(const struct skb_mstamp *t1,
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const struct skb_mstamp *t0)
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{
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s32 diff = t1->stamp_jiffies - t0->stamp_jiffies;
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if (!diff)
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diff = t1->stamp_us - t0->stamp_us;
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return diff > 0;
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}
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/**
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* struct sk_buff - socket buffer
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