diff options
| author | Kevin Yang <[email protected]> | 2024-06-03 21:30:54 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2024-06-05 12:42:54 +0000 |
| commit | f086edef71be7174a16c1ed67ac65a085cda28b1 (patch) | |
| tree | 3af89709786e212616a07d06b4c0a184efdfce49 /net/ipv4/sysctl_net_ipv4.c | |
| parent | tcp: derive delack_max with tcp_rto_min helper (diff) | |
| download | kernel-f086edef71be7174a16c1ed67ac65a085cda28b1.tar.gz kernel-f086edef71be7174a16c1ed67ac65a085cda28b1.zip | |
tcp: add sysctl_tcp_rto_min_us
Adding a sysctl knob to allow user to specify a default
rto_min at socket init time, other than using the hard
coded 200ms default rto_min.
Note that the rto_min route option has the highest precedence
for configuring this setting, followed by the TCP_BPF_RTO_MIN
socket option, followed by the tcp_rto_min_us sysctl.
Signed-off-by: Kevin Yang <[email protected]>
Reviewed-by: Neal Cardwell <[email protected]>
Reviewed-by: Yuchung Cheng <[email protected]>
Reviewed-by: Eric Dumazet <[email protected]>
Reviewed-by: Tony Lu <[email protected]>
Reviewed-by: Jakub Kicinski <[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 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index d7892f34a15b..bb64c0ef092d 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -1503,6 +1503,14 @@ static struct ctl_table ipv4_net_table[] = { .proc_handler = proc_dou8vec_minmax, .extra1 = SYSCTL_ONE, }, + { + .procname = "tcp_rto_min_us", + .data = &init_net.ipv4.sysctl_tcp_rto_min_us, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = SYSCTL_ONE, + }, }; static __net_init int ipv4_sysctl_init_net(struct net *net) |