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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