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authorEric Dumazet <edumazet@google.com>2018-09-21 08:51:50 -0700
committerDavid S. Miller <davem@davemloft.net>2018-09-21 19:37:59 -0700
commitd3edd06ea8ea9e03de6567fda80b8be57e21a537 (patch)
tree090196833fede243080048ee8d143b3cc83fecd4 /net/ipv4/tcp.c
parent9799ccb0e984a5c1311b22a212e7ff96e8b736de (diff)
downloadlinux-d3edd06ea8ea9e03de6567fda80b8be57e21a537.tar.bz2
tcp: provide earliest departure time in skb->tstamp
Switch internal TCP skb->skb_mstamp to skb->skb_mstamp_ns, from usec units to nsec units. Do not clear skb->tstamp before entering IP stacks in TX, so that qdisc or devices can implement pacing based on the earliest departure time instead of socket sk->sk_pacing_rate Packets are fed with tcp_wstamp_ns, and following patch will update tcp_wstamp_ns when both TCP and sch_fq switch to the earliest departure time mechanism. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 67670fac7c8d..69c236943f56 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1295,7 +1295,7 @@ new_segment:
copy = size_goal;
/* All packets are restored as if they have
- * already been sent. skb_mstamp isn't set to
+ * already been sent. skb_mstamp_ns isn't set to
* avoid wrong rtt estimation.
*/
if (tp->repair)