diff options
| author | Eric Dumazet <edumazet@google.com> | 2020-04-30 19:35:43 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-04-30 22:24:01 +0200 |
| commit | a70437cc09a11771870e9f6bfc0ba1237161daa8 (patch) | |
| tree | 2160cfb6274072fcc4350afbbd5aa7ebf1580a4c /include | |
| parent | tcp: tcp_sack_new_ofo_skb() should be more conservative (diff) | |
| download | linux-a70437cc09a11771870e9f6bfc0ba1237161daa8.tar.xz linux-a70437cc09a11771870e9f6bfc0ba1237161daa8.zip | |
tcp: add hrtimer slack to sack compression
Add a sysctl to control hrtimer slack, default of 100 usec.
This gives the opportunity to reduce system overhead,
and help very short RTT flows.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/netns/ipv4.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index 5acdb4d414c4..9e36738c1fe1 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -173,6 +173,7 @@ struct netns_ipv4 { int sysctl_tcp_rmem[3]; int sysctl_tcp_comp_sack_nr; unsigned long sysctl_tcp_comp_sack_delay_ns; + unsigned long sysctl_tcp_comp_sack_slack_ns; struct inet_timewait_death_row tcp_death_row; int sysctl_max_syn_backlog; int sysctl_tcp_fastopen; |