86 lines
2.5 KiB
Groff
86 lines
2.5 KiB
Groff
.\" 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
|
|
driver is experimental, and is not yet connected to the build.
|
|
.Pp
|
|
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.
|