.\"	$OpenBSD: fxp.4,v 1.3 1998/04/28 19:21:47 downsj Exp $
.\"
.\" Copyright (c) 1997 David E. O'Brien
.\"
.\" 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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.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
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.Dd April 28, 1998
.Dt FXP 4
.Os OpenBSD
.Sh NAME
.Nm fxp
.Nd
Intel EtherExpress Pro/100B ethernet device driver
.Sh SYNOPSIS
.Cd "fxp* at pci?"
.Sh DESCRIPTION
The
.Nm
driver provides support for the EtherExpress Pro/10 and Pro/100B PCI Fast Ethernet
adapters based on the Intel i82557 and i82558 ethernet chip.
.Pp
.\" The
.\" .Nm
.\" driver supports the following media types:
.\" .Pp
.\" .Bl -tag -width xxxxxxxxxxxxxxxxxxxx
.\" .It autoselect
.\" Enable autoselection of the media type and options
.\" .It 10baseT/UTP
.\" Set 10Mbps operation
.\" .It 100baseTX
.\" Set 100Mbps (fast ethernet) operation
.\" .El
.\" .Pp
.\" The
.\" .Nm
.\" driver supports the following media options:
.\" .Pp
.\" .Bl -tag -width xxxxxxxxxxxxxxxxxxxx
.\" .It full-duplex
.\" Set full duplex operation
.\" .El
.\" .Pp
.\" Note that 100baseTX media type is only available on the Pro/100B. For further information
.\" on configuring this device, see
.\" .Xr ifconfig 8 .
.Pp
Media types and options are set by specifing link flags to
.Xr ifconfig 8 .
If none are specified, the ethernet card will perform auto-negotiation of
link speed and options.
.Pp
.Bl -tag -width xxxxxxxxxxx
.It link0
Disable auto-negotiation.
.It link1
Enable 100Mbps operation.  (If unset, default to 10Mbps.)
.It link2
Enable full duplex operation.  (If unset, default to half duplex.)
.El
.Pp
Note that 100baseTX media type is only available on the Pro/100B and i82558
cards.
.Pp
.Sh DIAGNOSTICS
.Bl -diag
.It "fxp%d: couldn't map memory"
A fatal initialization error has occurred.
.It "fxp%d: couldn't map interrupt"
A fatal initialization error has occurred.
.It "fxp%d: Failed to malloc memory"
There are not enough mbuf's available for allocation.
.It "fxp%d: device timeout"
The device has stopped responding to the network, or there is a problem with
the network connection (cable).
.El
.Sh SEE ALSO
.Xr arp 4 ,
.Xr netintro 4 , 
.Xr ifconfig 8
.Sh HISTORY
The
.Nm
device driver first appeared in
.Ox 2.2 .
.Sh AUTHORS
The
.Nm
device driver was written by David Greenman.
This manual page was written by David E. O'Brien.