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Date:      Wed, 6 Nov 2019 19:52:32 +0000 (UTC)
From:      Ed Maste <emaste@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r354411 - head/share/man/man4
Message-ID:  <201911061952.xA6JqWtO060871@repo.freebsd.org>

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Author: emaste
Date: Wed Nov  6 19:52:31 2019
New Revision: 354411
URL: https://svnweb.freebsd.org/changeset/base/354411

Log:
  Add mgb(4) (Microchip LAN783x PCIe NIC) man page
  
  Sponsored by:	The FreeBSD Foundation

Added:
  head/share/man/man4/mgb.4   (contents, props changed)

Added: head/share/man/man4/mgb.4
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/share/man/man4/mgb.4	Wed Nov  6 19:52:31 2019	(r354411)
@@ -0,0 +1,86 @@
+.\" Copyright (c) 2019 The FreeBSD Foundation.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd May 2, 2019
+.Dt MGB 4
+.Os
+.Sh NAME
+.Nm mgb
+.Nd "Microchip LAN743x PCIe Gigabit Ethernet driver"
+.Sh SYNOPSIS
+To load the driver as a module at boot time, place the following line in
+.Xr loader.conf 5 :
+.Bd -literal -offset indent
+if_mgb_load="YES"
+.Ed
+.Sh DESCRIPTION
+The
+.Nm
+device driver provides support for PCIe Gigabit Ethernet adapters based on
+Microchip's LAN7430 and LAN7431.
+.Pp
+For more information on configuring this device, see
+.Xr ifconfig 8 .
+.Sh HARDWARE
+The
+.Nm
+driver supports:
+.Pp
+.Bl -bullet -compact
+.It
+Microchip LAN7430 PCIe Gigabit Ethernet controller with PHY
+.It
+Microchip LAN7431 PCIe Gigabit Ethernet controller with RGMII interface
+.El
+.Sh SEE ALSO
+.Xr arp 4 ,
+.Xr miibus 4 ,
+.Xr ifconfig 8
+.Sh CAVEATS
+The driver does not yet implement support for many hardware features,
+including:
+.Bl -bullet -compact
+.It
+Multiple RX queue support
+.It
+RX and TX checksum offload
+.It
+Hardware VLAN tagging or untagging
+.It
+Multicast receive packet filtering
+.It
+Wake on LAN (WoL)
+.It
+LSO
+.It
+RSS
+.El
+.Pp
+LAN7431 support is completely untested.
+.Sh HISTORY
+The
+.Nm
+device driver first appeared in
+.Fx 13.0 .



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