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.\" Copyright (c) 2019 The FreeBSD Foundation. | |||||
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.\" $FreeBSD$ | |||||
.\" | |||||
.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 . |