1.\" $OpenBSD: txp.4,v 1.23 2008/10/28 06:27:28 brad Exp $ 2.\" 3.\" Copyright (c) 2001 Jason L. Wright (jason@thought.net) 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd $Mdocdate: October 28 2008 $ 28.Dt TXP 4 29.Os 30.Sh NAME 31.Nm txp 32.Nd 3Com 3XP Typhoon/Sidewinder (3CR990) 10/100 Ethernet device 33.Sh SYNOPSIS 34.Cd "txp* at pci?" 35.Sh DESCRIPTION 36The 37.Nm 38driver provides support for the 39.Tn 3Com 40.Tn Typhoon/Sidewinder 41Fast Ethernet chipset, including the following: 42.Pp 43.Bl -bullet -offset indent -compact 44.It 453Com 3CR990-TX-95 46.It 473Com 3CR990-TX-97 48.It 493Com 3CR990SVR95 50.It 513Com 3CR990SVR97 52.El 53.Pp 54The 55.Nm 56driver supports IPv4 receive IP/TCP/UDP checksum offload, IPv4 57transmit IP checksum offload, and VLAN tag insertion and stripping. 58.Pp 59The 60.Nm 61driver supports the following media types: 62.Bl -tag -width 100baseTX 63.It Cm autoselect 64Enable autoselection of the media type and options. 65The user can manually override 66the autoselected mode by adding media options to the appropriate 67.Xr hostname.if 5 68file. 69.It Cm 10baseT 70Set 10Mbps operation. 71The 72.Xr ifconfig 8 73.Ic mediaopt 74option can also be used to select either 75.Cm full-duplex 76or 77.Cm half-duplex 78modes. 79.It Cm 100baseTX 80Set 100Mbps (Fast Ethernet) operation. 81The 82.Xr ifconfig 8 83.Ic mediaopt 84option can also be used to select either 85.Cm full-duplex 86or 87.Cm half-duplex 88modes. 89.El 90.Pp 91The 92.Nm 93driver supports the following media options: 94.Bl -tag -width full-duplex 95.It Cm full-duplex 96Force full duplex operation. 97.It Cm half-duplex 98Force half duplex operation. 99.El 100.Pp 101For more information on configuring this device, see 102.Xr ifconfig 8 . 103.Sh FILES 104The driver needs a firmware file, 105which is loaded on demand when the device is attached: 106.Pp 107.Bl -tag -width Ds -offset indent -compact 108.It Pa /etc/firmware/3c990 109.El 110.Sh SEE ALSO 111.Xr arp 4 , 112.Xr ifmedia 4 , 113.Xr intro 4 , 114.Xr netintro 4 , 115.Xr pci 4 , 116.Xr hostname.if 5 , 117.Xr ifconfig 8 118.Sh HISTORY 119The 120.Nm 121driver first appeared in 122.Ox 2.9 . 123