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-rw-r--r--Documentation/sysctl/net.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/sysctl/net.txt b/Documentation/sysctl/net.txt
index 666594b43cff..6294b5186ae5 100644
--- a/Documentation/sysctl/net.txt
+++ b/Documentation/sysctl/net.txt
@@ -97,6 +97,14 @@ rmem_max
The maximum receive socket buffer size in bytes.
+tstamp_allow_data
+-----------------
+Allow processes to receive tx timestamps looped together with the original
+packet contents. If disabled, transmit timestamp requests from unprivileged
+processes are dropped unless socket option SOF_TIMESTAMPING_OPT_TSONLY is set.
+Default: 1 (on)
+
+
wmem_default
------------
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