156 lines
3.0 KiB
Groff
156 lines
3.0 KiB
Groff
.\" $NetBSD: ex.4,v 1.16 2005/06/20 13:25:24 peter Exp $
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.\"
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.\" Copyright (c) 1999 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.Dd May 22, 2003
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.Dt EX 4
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.Os
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.Sh NAME
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.Nm ex
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.Nd driver for
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.Tn 3Com
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Fast EtherLink XL (3c900, 3c905, 3c980) and similar
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.Tn PCI
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bus and
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.Tn cardbus
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.Tn Ethernet
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interfaces
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.Sh SYNOPSIS
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.Cd "ex* at cardbus? dev ? function ?"
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.Cd "ex* at pci? dev ? function ?"
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.Sh DESCRIPTION
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.Tn 3Com
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.Tn Ethernet
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and
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.Tn Fast Ethernet
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cards supported by the
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.Nm
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driver include:
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.Pp
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.Bl -tag -width "3c900B-COMBO" -compact
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.It 3c450-TX
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10/100 Ethernet
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.It 3c555
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MiniPCI 10/100 Ethernet
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.It 3c556
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MiniPCI 10/100 Ethernet
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.It 3c556B
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MiniPCI 10/100 Ethernet
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.It 3c575-TX
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Ethernet
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.It 3c575B-TX
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Ethernet
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.It 3c575CT
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Ethernet
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.It 3c900-TPO
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Ethernet
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.It 3c900-COMBO
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Ethernet
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.It 3c900B-TPC
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Ethernet
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.It 3c900B-TPO
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Ethernet
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.It 3c900B-COMBO
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Ethernet
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.It 3c905-T4
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10/100 Ethernet
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.It 3c905-TX
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10/100 Ethernet
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.It 3c905B-COMBO
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10/100 Ethernet
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.It 3c905B-FX
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10/100 Ethernet
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.It 3c905B-T4
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10/100 Ethernet
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.It 3c905B-TX
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10/100 Ethernet
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.It 3c905CX-TX
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10/100 Ethernet
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.It 3c980
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Server Adapter 10/100 Ethernet
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.It 3c980C-TXM
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10/100 Ethernet
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.It 3cSOHO100-TX
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10/100 Ethernet
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.El
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.Pp
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All versions of the
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.Tn EtherLink XL
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.Pq except the older 3c900 and 3c905
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support IPv4/TCP/UDP checksumming in hardware.
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The
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.Nm
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driver supports this feature of the chip.
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See
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.Xr ifconfig 8
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for information on how to enable this feature.
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.Sh MEDIA SELECTION
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Some of these network interfaces support the Media Independent Interface
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.Pq Tn MII ,
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a bus which can have at least one arbitrary Physical interface
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.Pq Tn PHY
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chip on it.
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.Nx
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supports
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.Tn MII
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and has separate drivers for many different
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.Tn PHY
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chips, including
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.Xr ukphy 4 ,
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a generic
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.Tn PHY
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driver that can support many
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.Tn PHY
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chips that
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.Nx
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does not yet have a specific driver for.
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.Pp
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Support for the
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.Tn PHY
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found on a given
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.Tn NIC
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must be configured into a
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.Nx
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kernel
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.Xr config 1
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for this driver to work properly in those cases.
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.Pp
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See
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.Xr ifmedia 4 ,
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and
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.Xr mii 4 .
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "%s: adapter failure (%x)"
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.It "%s: can't allocate download descriptors, error = %d"
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.It "%s: can't allocate or map rx buffers"
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.It "%s: can't allocate upload descriptors, error = %d"
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.It "%s: can't create download desc. DMA map, error = %d"
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.It "%s: can't create rx DMA map %d, error = %d"
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.It "%s: can't create tx DMA map %d, error = %d"
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.It "%s: can't create upload desc. DMA map, error = %d"
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.It "%s: can't load download desc. DMA map, error = %d"
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.It "%s: can't load mbuf chain, error = %d"
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.It "%s: can't load rx buffer, error = %d"
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.It "%s: can't load upload desc. DMA map, error = %d"
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.It "%s: can't map download descriptors, error = %d"
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.It "%s: can't map upload descriptors, error = %d"
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.It "%s: fifo underrun (%x) @%d"
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.It "%s: jabber (%x)"
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.It "%s: receive stalled"
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.It "%s: too many segments, "
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.It "%s: uplistptr was 0"
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host too slow to serve incoming packets
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.El
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.Sh SEE ALSO
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.Xr cardbus 4 ,
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.Xr exphy 4 ,
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.Xr ifmedia 4 ,
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.Xr intro 4 ,
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.Xr mii 4 ,
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.Xr pci 4 ,
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.Xr ifconfig 8
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.Pp
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.Pa http://www.3com.com/
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