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| author | Eric Dumazet <[email protected]> | 2018-05-17 21:47:28 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2018-05-18 15:40:27 +0000 |
| commit | 6d82aa242092d73c6d2e210cfaf0ebfbe6de1ccf (patch) | |
| tree | 5babdd50e69dd7ab9b6db82f3b665d9c80be6bad /net/ipv4/sysctl_net_ipv4.c | |
| parent | tcp: add TCPAckCompressed SNMP counter (diff) | |
| download | kernel-6d82aa242092d73c6d2e210cfaf0ebfbe6de1ccf.tar.gz kernel-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 <[email protected]>
Acked-by: Neal Cardwell <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/ipv4/sysctl_net_ipv4.c')
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 4b195bac8ac0..11fbfdc1566e 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -1152,6 +1152,13 @@ static struct ctl_table ipv4_net_table[] = { .extra1 = &one, }, { + .procname = "tcp_comp_sack_delay_ns", + .data = &init_net.ipv4.sysctl_tcp_comp_sack_delay_ns, + .maxlen = sizeof(unsigned long), + .mode = 0644, + .proc_handler = proc_doulongvec_minmax, + }, + { .procname = "udp_rmem_min", .data = &init_net.ipv4.sysctl_udp_rmem_min, .maxlen = sizeof(init_net.ipv4.sysctl_udp_rmem_min), |