b9f78d2b4a
written by Stuart Walsh and Duncan Barclay (with some kibbitzing by me). I'm checking it in on Stuart's behalf. The BCM4401 is built into several x86 laptop and desktop systems. For the moment, I have only enabled it in the x86 kernel config because although it's a PCI device, I haven't heard of any standalone NICs that use it. If somebody knows of one, we can easily add it to the other arches. This driver uses register/structure data gleaned from the Linux driver released by Broadcom, but does not contain any of the code from the Linux driver itself. It uses busdma.
100 lines
2.8 KiB
Groff
100 lines
2.8 KiB
Groff
.\"
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.\" Copyright (c) 2003 Stuart Walsh
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.\"
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd September 4, 2003
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.Dt BFE 4
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.Os
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.Sh NAME
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.Nm bfe
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.Nd Broadcom BCM4401 Ethernet Device Driver
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.Sh SYNOPSIS
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.Cd "device miibus"
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.Cd "device bfe"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the Broadcom BCM4401 based Fast Ethernet adapters.
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.Pp
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The
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.Nm
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driver supports the following media types:
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.Pp
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.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
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.It autoselect
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Enable autoselection of the media type and options
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.It 10baseT/UTP
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Set 10Mbps operation
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.It 100baseTX
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Set 100Mbps (fast ethernet) operation
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.El
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.Pp
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The
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.Nm
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driver supports the following media options:
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.Pp
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.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
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.It full-duplex
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Set full duplex operation
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.El
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.Pp
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For further information on configuring this device, see
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.Xr ifconfig 8 .
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.Pp
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "bfe%d: couldn't map memory"
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A fatal initialization error has occurred.
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.It "bfe%d: couldn't map interrupt"
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A fatal initialization error has occurred.
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.It "bfe%d: failed to allocate DMA resources"
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There are not enough mbuf's available for allocation.
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.It "bfe%d: watchdog timeout -- resetting"
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The device has stopped responding to the network, or there is a problem with
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the network connection (cable).
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.El
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.Sh SEE ALSO
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.Xr arp 4 ,
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.Xr miibus 4 ,
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.Xr netintro 4 ,
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.Xr ng_ether 4 ,
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.Xr ifconfig 8
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.Sh HISTORY
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The
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.Nm
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device driver first appeared in
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.Fx 5.1 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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device driver was written by
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.An Stuart Walsh
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and
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.An Duncan Barclay .
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This manual page was written by
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.An Stuart Walsh .
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