DLPX-25998 TCP congestion control is inadequate
Reviewed at: http://reviews.delphix.com/r/34808/

@@ -8,11 +8,11 @@
 .\" source.  A copy of the CDDL is also available via the Internet at
 .\" http://www.illumos.org/license/CDDL.
 .\"
 .\"
 .\" Copyright (c) 2012, Joyent, Inc. All Rights Reserved
-.\" Copyright (c) 2013 by Delphix. All rights reserved.
+.\" Copyright (c) 2013, 2017 by Delphix. All rights reserved.
 .\" Copyright 2018 Nexenta Systems, Inc.
 .\" Copyright (c) 2016-2017, Chris Fraire <cfraire@me.com>.
 .\"
 .Dd February 6, 2018
 .Dt IPADM 1M

@@ -774,10 +774,13 @@
 .Sy + Ns | Ns Sy -
 syntax can be used to add/remove values from the current list of values on the
 property.
 The property name can be one of the following:
 .Bl -tag -compact -width "smallest_nonpriv_port"
+.It Cm congestion_control
+The default congestion-control algorithm to be used for new connections
+.Pq TCP .
 .It Cm ecn
 Explicit congestion control
 .Pq Cm never Ns / Ns Cm passive Ns / Ns Cm active
 .Pq TCP .
 .It Cm extra_priv_ports