1 files changed, 5 insertions, 0 deletions

diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.txt
index 4504cc59e405..477026ae0ffb 100644
--- a/Documentation/networking/dccp.txt
+++ b/Documentation/networking/dccp.txt
@@ -112,6 +112,11 @@ tx_qlen = 5
         The size of the transmit buffer in packets. A value of 0 corresponds
         to an unbounded transmit buffer.
 
+sync_ratelimit = 125 ms
+        The timeout between subsequent DCCP-Sync packets sent in response to
+        sequence-invalid packets on the same socket (RFC 4340, 7.5.4). The unit
+        of this parameter is milliseconds; a value of 0 disables rate-limiting.
+
 Notes
 =====