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 December 15, 2008 29.Dt FXP 4 30.Os 31.Sh NAME 32.Nm fxp 33.Nd "Intel EtherExpress PRO/100 Ethernet device driver" 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36place the following lines in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device miibus" 40.Cd "device fxp" 41.Ed 42.Pp 43Alternatively, to load the driver as a 44module at boot time, place the following line in 45.Xr loader.conf 5 : 46.Bd -literal -offset indent 47if_fxp_load="YES" 48.Ed 49.Sh DESCRIPTION 50The 51.Nm 52driver provides support for Ethernet adapters based on the Intel 53i82557, i82558, i82559, i82550, and i82562 chips. 54The driver supports TCP/UDP/IP checksum offload for both transmit 55and receive on i82550 and i82551. 56On i82559 only TCP/UDP checksum offload for receive is supported. 57TCP segmentation offload (TSO) for IPv4 as well as VLAN hardware 58tag insertion/stripping is supported on i82550 and i82551. 59Wake On Lan (WOL) support is provided on all controllers 60except i82557, i82259ER and early i82558 revisions. 61.Pp 62The 63.Nm 64driver supports the following media types: 65.Pp 66.Bl -tag -width xxxxxxxxxxxxxxxxxxxx 67.It autoselect 68Enable autoselection of the media type and options 69.It 10baseT/UTP 70Set 10Mbps operation 71.It 100baseTX 72Set 100Mbps (Fast Ethernet) operation 73.El 74.Pp 75The 76.Nm 77driver supports the following media options: 78.Pp 79.Bl -tag -width xxxxxxxxxxxxxxxxxxxx 80.It full-duplex 81Set full duplex operation 82.El 83.Pp 84Note that 100baseTX media type is not available on the Pro/10. 85For further information on configuring this device, see 86.Xr ifconfig 8 . 87.Pp 88The 89.Nm 90driver supports reception and transmission of extended frames 91for 92.Xr vlan 4 . 93This capability of 94.Nm 95can be controlled by means of the 96.Cm vlanmtu 97parameter 98to 99.Xr ifconfig 8 . 100.Pp 101The 102.Nm 103driver also supports a special link option: 104.Bl -tag -width link0 105.It Cm link0 106Some chip revisions have loadable microcode which can be used to reduce the 107interrupt load on the host cpu. 108Not all boards have microcode support. 109Setting the 110.Cm link0 111flag with 112.Xr ifconfig 8 113will download the microcode to the chip if it is available. 114.El 115.Sh HARDWARE 116Adapters supported by the 117.Nm 118driver include: 119.Pp 120.Bl -bullet -compact 121.It 122Intel EtherExpress PRO/10 123.It 124Intel InBusiness 10/100 125.It 126Intel PRO/100B / EtherExpressPRO/100 B PCI Adapter 127.It 128Intel PRO/100+ Management Adapter 129.It 130Intel PRO/100 VE Desktop Adapter 131.It 132Intel PRO/100 VM Network Connection 133.It 134Intel PRO/100 M Desktop Adapter 135.It 136Intel PRO/100 S Desktop, Server and Dual-Port Server Adapters 137.It 138Contec C-NET(PI)-100TX (PC-98) 139.It 140NEC PC-9821Ra20, Rv20, Xv13, Xv20 internal 100Base-TX (PC-98) 141.It 142NEC PC-9821X-B06 (PC-98) 143.It 144Many on-board network interfaces on Intel motherboards 145.El 146.Sh DIAGNOSTICS 147.Bl -diag 148.It "fxp%d: couldn't map memory" 149A fatal initialization error has occurred. 150.It "fxp%d: couldn't map interrupt" 151A fatal initialization error has occurred. 152.It "fxp%d: Failed to malloc memory" 153There are not enough mbuf's available for allocation. 154.It "fxp%d: device timeout" 155The device has stopped responding to the network, or there is a problem with 156the network connection (cable). 157.It "fxp%d: Microcode loaded, int_delay: %d usec bundle_max: %d" 158The chip has successfully downloaded the microcode, and changed the 159parameterized values to the given settings. 160.El 161.Sh SEE ALSO 162.Xr altq 4 , 163.Xr arp 4 , 164.Xr miibus 4 , 165.Xr netintro 4 , 166.Xr ng_ether 4 , 167.Xr polling 4 , 168.Xr vlan 4 , 169.Xr ifconfig 8 170.Sh HISTORY 171The 172.Nm 173device driver first appeared in 174.Fx 2.1 . 175.Sh AUTHORS 176.An -nosplit 177The 178.Nm 179device driver was written by 180.An David Greenman . 181It has then been updated to use the busdma API and made endian-clean by 182.An Maxime Henrion . 183This manual page was written by 184.An David E. O'Brien . 185