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-rw-r--r--Documentation/networking/mptcp-sysctl.rst8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/networking/mptcp-sysctl.rst b/Documentation/networking/mptcp-sysctl.rst
index 3b352e5f6300..ee06fd782465 100644
--- a/Documentation/networking/mptcp-sysctl.rst
+++ b/Documentation/networking/mptcp-sysctl.rst
@@ -24,3 +24,11 @@ add_addr_timeout - INTEGER (seconds)
sysctl.
Default: 120
+
+checksum_enabled - BOOLEAN
+ Control whether DSS checksum can be enabled.
+
+ DSS checksum can be enabled if the value is nonzero. This is a
+ per-namespace sysctl.
+
+ Default: 0