NetBSD/share/man/man4/fxp.4

101 lines
4.2 KiB
Groff

.\" $NetBSD: fxp.4,v 1.2 1999/03/16 01:19:16 garbled Exp $
.\"
.\" Copyright (c) 1998 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
.\" NASA Ames Research Center.
.\"
.\" 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.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the NetBSD
.\" Foundation, Inc. and its contributors.
.\" 4. Neither the name of The NetBSD Foundation nor the names of its
.\" contributors may be used to endorse or promote products derived
.\" from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
.\"
.Dd October 2, 1998
.Dt FXP 4
.Os
.Sh NAME
.Nm fxp
.Nd device driver for Intel i82557 and i82558 Ethernet interfaces
.Sh SYNOPSIS
.Cd "fxp* at pci? dev ? function ?"
.Sh DESCRIPTION
The
.Nm
device driver supports Ethernet interfaces based on the Intel i82557
and i82558 PCI Ethernet chips. The i82557 uses an external media
interface, whereas the i82558 includes a built-in Intel i82555 PHY.
.Pp
Supported cards include the Intel EtherExpress Pro 10+, EtherExpress
Pro 100B, and EtherExpress Pro 100+.
.Sh MEDIA SELECTION
Media selection is supported via MII. See
.Xr ifmedia 4
and
.Xr mii 4
for more information.
.Pp
EtherExpress Pro 10+ boards may use a Seeq 80c24 AutoDUPLEX(tm)
media interface. Boards with these chips do not support media
selection, as the 80c24 has no programming interface, and no
way to read link status. These boards claim a media of "manual"
since they self-configure based on the configuration of the link
partner (hub or switch).
.Sh DIAGNOSTICS
.Bl -diag
.It "fxp0: WARNING: SCB timed out!"
The driver timed out waiting for the chip's command interface to
become ready.
.It "fxp0: too many segments, aborting"
The driver encountered a packet that included too many DMA segments,
and was not able to allocate a new buffer to transmit the packet from.
The packet has been dropped.
.It "fxp0: too many segments, retrying"
The driver encountered a packet that included too many DMA segments,
and allocated a new buffer to transmit the packet from.
.It "fxp0: can't load mbuf chain, error = %d"
The driver was unable to load a transmit DMA map, and has reported the
errno value.
.It "fxp0: device timeout"
The device failed to generate a transmit complete interrupt for the
last packet transmitted. The device has been reset.
.It "fxp0: can't load rx buffer, error = %d"
The driver was unable to load the DMA map for a receive buffer, and
has reported the errno value. This error is currently fatal, and will
panic the system.
.It "fxp0: fxp_mdi_read: timed out"
The MDIO failed to become ready during an MII read operation.
.It "fxp0: fxp_mdi_write: timed out"
The MDIO failed to become ready during an MII write operation.
.El
.Sh SEE ALSO
.Xr ifmedia 4 ,
.Xr intro 4 ,
.Xr mii 4 ,
.Xr pci 4 ,
.Xr ifconfig 8