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| author |   Eric Dumazet <edumazet@google.com> | 2018-05-17 14:47:28 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-05-18 11:40:27 -0400 |
| commit | 6d82aa242092d73c6d2e210cfaf0ebfbe6de1ccf (patch) | |
| tree | 5babdd50e69dd7ab9b6db82f3b665d9c80be6bad /net/ipv4/tcp_ipv4.c | |
| parent | tcp: add TCPAckCompressed SNMP counter (diff) | |
| download | linux-dev-6d82aa242092d73c6d2e210cfaf0ebfbe6de1ccf.tar.xz linux-dev-6d82aa242092d73c6d2e210cfaf0ebfbe6de1ccf.zip | |
tcp: add tcp_comp_sack_delay_ns sysctl
This per netns sysctl allows for TCP SACK compression fine-tuning.
Its default value is 1,000,000, or 1 ms to meet TSO autosizing period.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index caf23de88f8a..a3f4647341db 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2572,6 +2572,7 @@ static int __net_init tcp_sk_init(struct net *net) init_net.ipv4.sysctl_tcp_wmem, sizeof(init_net.ipv4.sysctl_tcp_wmem)); } + net->ipv4.sysctl_tcp_comp_sack_delay_ns = NSEC_PER_MSEC; net->ipv4.sysctl_tcp_fastopen = TFO_CLIENT_ENABLE; spin_lock_init(&net->ipv4.tcp_fastopen_ctx_lock); net->ipv4.sysctl_tcp_fastopen_blackhole_timeout = 60 * 60; |