1.\" Copyright (c) 1997, 1998, 1999 2.\" Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by Bill Paul. 15.\" 4. Neither the name of the author nor the names of any co-contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 23.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 29.\" THE POSSIBILITY OF SUCH DAMAGE. 30.\" 31.\" $FreeBSD$ 32.\" 33.Dd August 21, 1999 34.Dt STE 4 35.Os FreeBSD 36.Sh NAME 37.Nm ste 38.Nd 39Sundance Technologies ST201 fast ethernet device driver 40.Sh SYNOPSIS 41.Cd "device miibus" 42.Cd "device ste" 43.Sh DESCRIPTION 44The 45.Nm 46driver provides support for PCI ethernet adapters and embedded 47controllers based on the Sundance Technologies ST201 PCI fast 48ethernet controller chip. 49This includes the D-Link DFE-550TX. 50.Pp 51The Sundance ST201 uses bus master DMA and is designed to be a 523Com Etherlink XL workalike. 53It uses the same DMA descriptor 54structure and is very similar in operation, however its register 55layout is different. 56The ST201 has a 64-bit multicast hash filter 57and a single perfect filter entry for the station address. 58IT 59supports both 10 and 100Mbps speeds in either full or half duplex 60using an MII transceiver. 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. 69The user can manually override 70the autoselected mode by adding media options to the 71.Pa /etc/rc.conf 72fine. 73.It 10baseT/UTP 74Set 10Mbps operation. 75The 76.Ar mediaopt 77option can also be used to select either 78.Ar full-duplex 79or 80.Ar half-duplex modes. 81.It 100baseTX 82Set 100Mbps (fast ethernet) operation. 83The 84.Ar mediaopt 85option can also be used to select either 86.Ar full-duplex 87or 88.Ar half-duplex 89modes. 90.El 91.Pp 92The 93.Nm 94driver supports the following media options: 95.Pp 96.Bl -tag -width xxxxxxxxxxxxxxxxxxxx 97.It full-duplex 98Force full duplex operation 99.It half-duplex 100Force half duplex operation. 101.El 102.Pp 103For more information on configuring this device, see 104.Xr ifconfig 8 . 105.Sh DIAGNOSTICS 106.Bl -diag 107.It "ste%d: couldn't map ports/memory" 108A fatal initialization error has occurred. 109.It "ste%d: couldn't map interrupt" 110A fatal initialization error has occurred. 111.It "ste%d: watchdog timeout" 112The device has stopped responding to the network, or there is a problem with 113the network connection (cable). 114.It "ste%d: no memory for rx list" 115The driver failed to allocate an mbuf for the receiver ring. 116.It "ste%d: no memory for tx list" 117The driver failed to allocate an mbuf for the transmitter ring when 118allocating a pad buffer or collapsing an mbuf chain into a cluster. 119.It "ste%d: chip is in D3 power state -- setting to D0" 120This message applies only to adapters which support power 121management. 122Some operating systems place the controller in low power 123mode when shutting down, and some PCI BIOSes fail to bring the chip 124out of this state before configuring it. 125The controller loses all of 126its PCI configuration in the D3 state, so if the BIOS does not set 127it back to full power mode in time, it won't be able to configure it 128correctly. 129The driver tries to detect this condition and bring 130the adapter back to the D0 (full power) state, but this may not be 131enough to return the driver to a fully operational condition. 132If 133you see this message at boot time and the driver fails to attach 134the device as a network interface, you will have to perform second 135warm boot to have the device properly configured. 136.Pp 137Note that this condition only occurs when warm booting from another 138operating system. 139If you power down your system prior to booting 140.Fx , 141the card should be configured correctly. 142.El 143.Sh SEE ALSO 144.Xr arp 4 , 145.Xr netintro 4 , 146.Xr ng_ether 4 , 147.Xr ifconfig 8 148.Rs 149.%T Sundance ST201 data sheet 150.%O http://www.sundanceti.com 151.Re 152.Sh HISTORY 153The 154.Nm 155device driver first appeared in 156.Fx 3.0 . 157.Sh AUTHORS 158The 159.Nm 160driver was written by 161.An Bill Paul Aq wpaul@ee.columbia.edu . 162