Describe it in networking/ip-sysctl.rst like other SCTP options.
We need to document this especially 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..5d90e219398c 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 allows the interleaving of user
+ messages sent on different streams. With this feature enabled, I-DATA
+ chunk will replace DATA chunk to carry user messages if also supported
+ by the peer. Note that to use this feature, one needs to set this option
+ to 1 and also needs to set socket options SCTP_FRAGMENT_INTERLEAVE to 2
+ and SCTP_INTERLEAVING_SUPPORTED to 1.
+
+ - 1: Enable extension.
+ - 0: Disable extension.
+
+ Default: 0
+
``/proc/sys/net/core/*``
========================
--
2.31.1
