.\"
.\" Copyright (c) 2003 Stuart Walsh
.\"
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
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.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" $FreeBSD: releng/12.2/share/man/man4/bfe.4 166346 2007-01-30 08:40:04Z brueffer $
.\"
.Dd July 16, 2005
.Dt BFE 4
.Os
.Sh NAME
.Nm bfe
.Nd "Broadcom BCM4401 Ethernet Device Driver"
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following lines in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device miibus"
.Cd "device bfe"
.Ed
.Pp
Alternatively, to load the driver as a
module at boot time, place the following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
if_bfe_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
driver provides support for Broadcom BCM4401 based Fast Ethernet adapters.
.Pp
The
.Nm
driver supports the following media types:
.Bl -tag -width ".Cm 10baseT/UTP"
.It Cm autoselect
Enable autoselection of the media type and options.
.It Cm 10baseT/UTP
Set 10Mbps operation.
.It Cm 100baseTX
Set 100Mbps (Fast Ethernet) operation.
.El
.Pp
The
.Nm
driver supports the following media options:
.Bl -tag -width ".Cm full-duplex"
.It Cm full-duplex
Set full duplex operation.
.El
.Pp
For further information on configuring this device, see
.Xr ifconfig 8 .
.Sh DIAGNOSTICS
.Bl -diag
.It "bfe%d: couldn't map memory"
A fatal initialization error has occurred.
.It "bfe%d: couldn't map interrupt"
A fatal initialization error has occurred.
.It "bfe%d: failed to allocate DMA resources"
There are not enough mbufs available for allocation.
.It "bfe%d: watchdog timeout -- resetting"
The device has stopped responding to the network, or there is a problem with
the network connection (cable).
.El
.Sh SEE ALSO
.Xr altq 4 ,
.Xr arp 4 ,
.Xr miibus 4 ,
.Xr netintro 4 ,
.Xr ng_ether 4 ,
.Xr ifconfig 8
.Sh HISTORY
The
.Nm
device driver first appeared in
.Fx 5.1 .
.Sh AUTHORS
.An -nosplit
The
.Nm
device driver was written by
.An Stuart Walsh
and
.An Duncan Barclay .
This manual page was written by
.An Stuart Walsh .