1.\" 2.\" Copyright (c) 1997 David E. O'Brien 3.\" 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd October 24, 2018 29.Dt DE 4 30.Os 31.Sh NAME 32.Nm de 33.Nd "DEC DC21x4x Ethernet device driver" 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36place the following line in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device de" 40.Ed 41.Pp 42Alternatively, to load the driver as a 43module at boot time, place the following line in 44.Xr loader.conf 5 : 45.Bd -literal -offset indent 46if_de_load="YES" 47.Ed 48.Sh DEPRECATION NOTICE 49The 50.Nm 51driver is not present in 52.Fx 13.0 53and later. 54See https://github.com/freebsd/fcp/blob/master/fcp-0101.md for more 55information. 56.Sh DESCRIPTION 57The 58.Nm 59driver provides support for the Ethernet adapters based on the Digital 60Equipment DC21x4x based self-contained Ethernet and Fast Ethernet 61chips. 62.Pp 63The 64.Nm 65driver supports the following media types: 66.Bl -tag -width xxxxxxxxxxxxxxx 67.It autoselect 68Enable autoselection of the media type and options 69.It 10baseT/UTP 70Set 10Mbps operation on the 10baseT port 71.It 10base2/BNC 72Set 10Mbps operation on the BNC port 73.It 10base5/AUI 74Set 10Mbps operation on the AUI port 75.It 100baseTX 76Set 100Mbps (Fast Ethernet) operation 77.It 100baseFX 78Set 100Mbps operation 79.It 100baseT4 80Set 100Mbps operation (4-pair cat-3 cable) 81.El 82.Pp 83The 84.Nm 85driver supports the following media options: 86.Bl -tag -width xxxxxxxxxxxxxxx 87.It full-duplex 88Set full duplex operation 89.El 90.Pp 91Note that the media types available depend on the particular card in use. 92Some cards are explicitly programmed to a particular media type by a 93setup utility and are not changeable. 94.Pp 95Use the 96.Xr ifconfig 8 97command and in particular the 98.Fl m 99flag to list the supported media types for your particular card. 100.Pp 101The old 102.Dq ifconfig linkN 103method of configuration is not supported. 104.Sh HARDWARE 105Adapters supported by the 106.Nm 107driver include: 108.Pp 109.Bl -bullet -compact 110.It 111Adaptec ANA-6944/TX 112.It 113Cogent EM100FX and EM440TX 114.It 115Corega FastEther PCI-TX 116.It 117D-Link DFE-500TX 118.It 119DEC DE435, DEC DE450, and DEC DE500 120.It 121ELECOM LD-PCI2T, LD-PCITS 122.It 123I-O DATA LA2/T-PCI 124.It 125SMC Etherpower 8432, 9332 and 9334 126.It 127ZNYX ZX3xx 128.El 129.Sh DIAGNOSTICS 130.Bl -diag 131.It "de%d: waking device from sleep/snooze mode" 132The 21041 and 21140A chips support suspending the operation of the card. 133.It "de%d: error: desired IRQ of %d does not match device's actual IRQ of %d" 134The device probe detected that the board is configured for a different 135interrupt than the one specified in the kernel configuration file. 136.It "de%d: not configured; limit of %d reached or exceeded" 137There is a limit of 32 138.Nm 139devices allowed in a single machine. 140.It "de%d: not configured; 21040 pass 2.0 required (%d.%d found)" 141.It "de%d: not configured; 21140 pass 1.1 required (%d.%d found)" 142Certain revisions of the chipset are not supported by this driver. 143.El 144.Sh SEE ALSO 145.Xr altq 4 , 146.Xr arp 4 , 147.Xr netintro 4 , 148.Xr ng_ether 4 , 149.Xr ifconfig 8 150.Sh AUTHORS 151.An -nosplit 152The 153.Nm 154device driver was written by 155.An Matt Thomas . 156This manual page was written by 157.An David E. O'Brien . 158