[src/trunk]: src/share/man/man4 Fix PR misc/52890 . Reported and suggested by...

[knakahara <knakahara%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2be669bbdb78
branches:  trunk
changeset: 829621:2be669bbdb78
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Wed Feb 07 03:26:36 2018 +0000

description:
Fix PR misc/52890 . Reported and suggested by David H. Gutteridge, thanks.

diffstat:

 share/man/man4/wm.4 |  11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diffs (25 lines):

diff -r 7384bc79580d -r 2be669bbdb78 share/man/man4/wm.4
--- a/share/man/man4/wm.4       Wed Feb 07 02:33:05 2018 +0000
+++ b/share/man/man4/wm.4       Wed Feb 07 03:26:36 2018 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: wm.4,v 1.38 2018/01/18 09:54:52 wiz Exp $
+.\"    $NetBSD: wm.4,v 1.39 2018/02/07 03:26:36 knakahara Exp $
 .\"
 .\" Copyright 2002, 2003 Wasabi Systems, Inc.
 .\" All rights reserved.
@@ -168,6 +168,15 @@
 See
 .Xr ifconfig 8
 for information on how to enable this feature.
+.Pp
+Many chips supported by the
+.Nm
+driver support jumbo frames, however several chips do not support
+jumbo frames, e.g. i82542, i82081H and 82567V.
+Jumbo frames can be configured via the interface MTU setting.
+Selecting an MTU larger than 1500 bytes with the
+.Xr ifconfig 8
+utility configures the adapter to receive and transmit jumbo frames.
 .\" .Sh DIAGNOSTICS
 .\" XXX to be done.
 .Sh OPTIONS