1.\" 2.\" Copyright (c) 1998-2001 Semen Ustimenko <[email protected]> 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 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 DEPRECATION NOTICE 50The 51.Nm 52driver is not present in 53.Fx 13.0 54and later. 55See https://github.com/freebsd/fcp/blob/master/fcp-0101.md for more 56information. 57.Sh DESCRIPTION 58The 59.Nm 60driver provides support for the Ethernet adapters based on the 61SMC 83c17x (EPIC) chips. 62These are mostly SMC 9432 series cards. 63.Pp 64The 65.Nm 66driver supports the following media types (depending on card's capabilities): 67.Bl -tag -width ".Cm 10baseT/UTP" 68.It Cm autoselect 69Enable autonegotiation (default). 70.It Cm 100baseFX 71Set 100Mbps (Fast Ethernet) fiber optic operation. 72.It Cm 100baseTX 73Set 100Mbps (Fast Ethernet) twisted pair operation. 74.It Cm 10baseT/UTP 75Set 10Mbps on 10baseT port. 76.It Cm 10base2/BNC 77Set 10Mbps on 10base2 port. 78.El 79.Pp 80The 81.Nm 82driver supports the following media options: 83.Bl -tag -width ".Cm full-duplex" 84.It Cm full-duplex 85Set full-duplex operation. 86.El 87.Pp 88The 89.Nm 90driver supports oversized Ethernet packets (up to 1600 bytes). 91Refer to the 92.Xr ifconfig 8 93man page on setting the interface's MTU. 94.Pp 95The old 96.Dq Li "ifconfig tx0 linkN" 97method of configuration is not supported. 98.Ss "VLAN (IEEE 802.1Q) support" 99The 100.Nm 101driver supports the VLAN operation (using 102.Xr vlan 4 103interfaces) without decreasing the MTU on the 104.Xr vlan 4 105interfaces. 106.Sh DIAGNOSTICS 107.Bl -diag 108.It "tx%d: device timeout %d packets" 109The device stops responding. 110Device and driver reset follows this error. 111.It "tx%d: PCI fatal error occurred (%s)" 112One of following errors occurred: PCI Target Abort, PCI Master Abort, Data 113Parity Error or Address Parity Error. 114Device and driver reset follows this error. 115.It "tx%d: cannot allocate mbuf header/cluster" 116Cannot allocate memory for received packet. 117Packet thrown away. 118.It "tx%d: can't stop %s DMA" 119While resetting, the driver failed to stop the device correctly. 120.El 121.Sh SEE ALSO 122.Xr arp 4 , 123.Xr miibus 4 , 124.Xr netintro 4 , 125.Xr ng_ether 4 , 126.Xr ifconfig 8 127.Sh BUGS 128The auto-negotiation does not work very well. 129