1 files changed, 4 insertions, 0 deletions

diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.txt
index 1910d097a0ad..dda15886bcb5 100644
--- a/Documentation/networking/dccp.txt
+++ b/Documentation/networking/dccp.txt
@@ -100,6 +100,10 @@ rx_ccid = 2
 seq_window = 100
         The initial sequence window (sec. 7.5.2).
 
+tx_qlen = 5
+        The size of the transmit buffer in packets. A value of 0 corresponds
+        to an unbounded transmit buffer.
+
 Notes
 =====