1.\" 2.\" Copyright (c) 1998-2001 Semen Ustimenko <semenu@FreeBSD.org> 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 July 16, 2005 29.Dt TX 4 30.Os 31.Sh NAME 32.Nm tx 33.Nd "SMC 83c17x Fast 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 tx" 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_tx_load="YES" 48.Ed 49.Sh DESCRIPTION 50The 51.Nm 52driver provides support for the Ethernet adapters based on the 53SMC 83c17x (EPIC) chips. 54These are mostly SMC 9432 series cards. 55.Pp 56The 57.Nm 58driver supports the following media types (depending on card's capabilities): 59.Bl -tag -width ".Cm 10baseT/UTP" 60.It Cm autoselect 61Enable autonegotiation (default). 62.It Cm 100baseFX 63Set 100Mbps (Fast Ethernet) fiber optic operation. 64.It Cm 100baseTX 65Set 100Mbps (Fast Ethernet) twisted pair operation. 66.It Cm 10baseT/UTP 67Set 10Mbps on 10baseT port. 68.It Cm 10base2/BNC 69Set 10Mbps on 10base2 port. 70.El 71.Pp 72The 73.Nm 74driver supports the following media options: 75.Bl -tag -width ".Cm full-duplex" 76.It Cm full-duplex 77Set full-duplex operation. 78.El 79.Pp 80The 81.Nm 82driver supports oversized Ethernet packets (up to 1600 bytes). 83Refer to the 84.Xr ifconfig 8 85man page on setting the interface's MTU. 86.Pp 87The old 88.Dq Li "ifconfig tx0 linkN" 89method of configuration is not supported. 90.Ss "VLAN (IEEE 802.1Q) support" 91The 92.Nm 93driver supports the VLAN operation (using 94.Xr vlan 4 95interfaces) without decreasing the MTU on the 96.Xr vlan 4 97interfaces. 98.Sh DIAGNOSTICS 99.Bl -diag 100.It "tx%d: device timeout %d packets" 101The device stops responding. 102Device and driver reset follows this error. 103.It "tx%d: PCI fatal error occurred (%s)" 104One of following errors occurred: PCI Target Abort, PCI Master Abort, Data 105Parity Error or Address Parity Error. 106Device and driver reset follows this error. 107.It "tx%d: cannot allocate mbuf header/cluster" 108Cannot allocate memory for received packet. 109Packet thrown away. 110.It "tx%d: can't stop %s DMA" 111While resetting, the driver failed to stop the device correctly. 112.El 113.Sh SEE ALSO 114.Xr arp 4 , 115.Xr miibus 4 , 116.Xr netintro 4 , 117.Xr ng_ether 4 , 118.Xr ifconfig 8 119.Sh BUGS 120The auto-negotiation does not work very well. 121