From 27130028a583273071a14a3256f8ea0a131f2dd4 Mon Sep 17 00:00:00 2001
From: Mark Johnston <markj@FreeBSD.org>
Date: Wed, 26 May 2021 10:20:37 -0400
Subject: [PATCH] ktls.4: Mention mb_use_ext_pgs in the "sysctl nodes" section

Reviewed by:	rmacklem, jhb
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D30403
---
 share/man/man4/ktls.4 | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/share/man/man4/ktls.4 b/share/man/man4/ktls.4
index 9f01b1e8b1a5..e1e219a12603 100644
--- a/share/man/man4/ktls.4
+++ b/share/man/man4/ktls.4
@@ -31,7 +31,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 20, 2021
+.Dd May 26, 2021
 .Dt KTLS 4
 .Os
 .Sh NAME
@@ -199,6 +199,11 @@ A tree of nodes containing statistics for TLS sessions using
 .It Va kern.ipc.tls.stats
 A tree of nodes containing various kernel TLS statistics.
 .El
+.Pp
+The
+.Va kern.ipc.mb_use_ext_pgs
+sysctl controls whether the kernel may use unmapped mbufs.
+They are required for TLS transmit.
 .Ss Backends
 The base system includes a software backend for the
 .Dv TCP_TLS_MODE_SW