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| author | Xin Long <lucien.xin@gmail.com> | 2021-06-22 14:04:48 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-22 11:28:51 -0700 |
| commit | d1e462a7a5f359cbb9a0e8fbfafcfb6657034105 (patch) | |
| tree | 07e139a19613cfa7e4dacc0435913ad6b1022644 /Documentation/networking | |
| parent | 745a32117b5a0799ce1dd28d5a74dc2b7bf37692 (diff) | |
sctp: add probe_interval in sysctl and sock/asoc/transport
PLPMTUD can be enabled by doing 'sysctl -w net.sctp.probe_interval=n'.
'n' is the interval for PLPMTUD probe timer in milliseconds, and it
can't be less than 5000 if it's not 0.
All asoc/transport's PLPMTUD in a new socket will be enabled by default.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/ip-sysctl.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst index b0436d3a4f11..8bff728b3a1e 100644 --- a/Documentation/networking/ip-sysctl.rst +++ b/Documentation/networking/ip-sysctl.rst @@ -2834,6 +2834,14 @@ encap_port - INTEGER Default: 0 +plpmtud_probe_interval - INTEGER + The time interval (in milliseconds) for sending PLPMTUD probe chunks. + These chunks are sent at the specified interval with a variable size + to probe the mtu of a given path between 2 endpoints. PLPMTUD will + be disabled when 0 is set, and other values for it must be >= 5000. + + Default: 0 + ``/proc/sys/net/core/*`` ======================== |