Describe it in networking/ip-sysctl.rst like other SCTP options. We need to document this especailly as when using the feature of User Message Interleaving, some socket options also needs to be set. Fixes: 463118c34a35 ("sctp: support sysctl to allow users to use stream interleave") Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx> --- Documentation/networking/ip-sysctl.rst | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst index 3abd494053a9..b67f2f83ff32 100644 --- a/Documentation/networking/ip-sysctl.rst +++ b/Documentation/networking/ip-sysctl.rst @@ -2941,6 +2941,20 @@ reconf_enable - BOOLEAN Default: 0 +intl_enable - BOOLEAN + Enable or disable extension of User Message Interleaving functionality + specified in RFC8260. This extension allow the interleaving of user + messages sent on different streams. With this feature enabled, I-DATA + chunk will replace DATA chunk to carry user messages. Note that to use + this feature, with this option set to 1, we also need socket options + SCTP_FRAGMENT_INTERLEAVE set to 2 and SCTP_INTERLEAVING_SUPPORTED set + to 1. + + - 1: Enable extension. + - 0: Disable extension. + + Default: 0 + ``/proc/sys/net/core/*`` ======================== -- 2.31.1