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| author | Yuchung Cheng <ycheng@google.com> | 2015-10-16 21:57:45 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-10-21 07:00:46 -0700 |
| commit | 625a5e109a3ed6f36a1008a43069a3462b44a424 (patch) | |
| tree | e626cdaf27202ae8e666f7842da91b64ea940469 /include/linux/skbuff.h | |
| parent | 77c631273dc1305a89698929decafa6e43bea645 (diff) | |
| download | lwn-625a5e109a3ed6f36a1008a43069a3462b44a424.tar.gz lwn-625a5e109a3ed6f36a1008a43069a3462b44a424.zip | |
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>
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 4398411236f1..24f4dfd94c51 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 |