diff options
| author | Eric Dumazet <edumazet@google.com> | 2018-09-21 08:51:50 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-09-21 19:37:59 -0700 |
| commit | d3edd06ea8ea9e03de6567fda80b8be57e21a537 (patch) | |
| tree | 090196833fede243080048ee8d143b3cc83fecd4 /net/ipv4/tcp.c | |
| parent | 9799ccb0e984a5c1311b22a212e7ff96e8b736de (diff) | |
| download | linux-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.c | 2 |
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) |