1.\" Copyright (c) 1997, 1998, 1999 2.\" Bill Paul <wpaul@ee.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: src/share/man/man4/sis.4,v 1.6.2.4 2003/02/17 21:20:39 trhodes Exp $ 32.\" $DragonFly: src/share/man/man4/sis.4,v 1.6 2008/05/02 02:05:05 swildner Exp $ 33.\" 34.Dd September 4, 1999 35.Dt SIS 4 36.Os 37.Sh NAME 38.Nm sis 39.Nd "SiS 900, SiS 7016 and NS DP83815 fast ethernet device driver" 40.Sh SYNOPSIS 41.Cd "device miibus" 42.Cd "device sis" 43.Sh DESCRIPTION 44The 45.Nm 46driver provides support for PCI ethernet adapters and embedded 47controllers based on the Silicon Integrated Systems SiS 900 48and SiS 7016 fast ethernet controller chips, as well as support 49for adapters based on the National Semiconductor DP83815 (MacPhyter) 50PCI ethernet controller chip, including the Netgear FA311-TX and 51FA312-TX. 52.Pp 53The SiS 900 is a 100Mbps ethernet MAC and MII-compliant transceiver 54in a single package. 55It uses a bus master DMA and a scatter/gather 56descriptor scheme. 57The SiS 7016 is similar to the SiS 900 except 58that it has no internal PHY, requiring instead an external transceiver 59to be attached to its MII interface. 60The SiS 900 and SiS 7016 both have a 128-bit multicast hash filter 61and a single perfect filter entry for the station address. 62.Pp 63The NS DP83815 is also a 100Mbps ethernet MAC with integrated PHY. 64The NatSemi chip and the SiS 900 share many of the same features and 65a fairly similar programming interface, hence both chips are supported 66by the same driver. 67.Pp 68The 69.Nm 70driver supports the following media types: 71.Bl -tag -width 10baseTXUTP 72.It autoselect 73Enable autoselection of the media type and options. 74The user can manually override 75the autoselected mode by adding media options to 76.Xr rc.conf 5 . 77.It 10baseT/UTP 78Set 10Mbps operation. 79The 80.Xr ifconfig 8 81.Cm mediaopt 82option can also be used to select either 83.Sq full-duplex 84or 85.Sq half-duplex 86modes. 87.It 100baseTX 88Set 100Mbps (fast ethernet) operation. 89The 90.Xr ifconfig 8 91.Cm mediaopt 92option can also be used to select either 93.Sq full-duplex 94or 95.Sq half-duplex 96modes. 97.El 98.Pp 99The 100.Nm 101driver supports the following media options: 102.Bl -tag -width full-duplex 103.It full-duplex 104Force full duplex operation 105.It half-duplex 106Force half duplex operation. 107.El 108.Pp 109For more information on configuring this device, see 110.Xr ifconfig 8 . 111.Sh DIAGNOSTICS 112.Bl -diag 113.It "sis%d: couldn't map ports/memory" 114A fatal initialization error has occurred. 115.It "sis%d: couldn't map interrupt" 116A fatal initialization error has occurred. 117.It "sis%d: watchdog timeout" 118The device has stopped responding to the network, or there is a problem with 119the network connection (e.g. a cable fault). 120.It "sis%d: no memory for rx list" 121The driver failed to allocate an mbuf for the receiver ring. 122.It "sis%d: no memory for tx list" 123The driver failed to allocate an mbuf for the transmitter ring when 124allocating a pad buffer or collapsing an mbuf chain into a clusisr. 125.It "sis%d: chip is in D3 power state -- setting to D0" 126This message applies only to adapters which support power 127management. 128Some operating systems place the controller in low power 129mode when shutting down, and some PCI BIOSes fail to bring the chip 130out of this state before configuring it. 131The controller loses all of 132its PCI configuration in the D3 state, so if the BIOS does not set 133it back to full power mode in time, it will not be able to configure it 134correctly. 135The driver tries to detect this condition and bring 136the adapter back to the D0 (full power) state, but this may not be 137enough to return the driver to a fully operational condition. 138If 139you see this message at boot time and the driver fails to attach 140the device as a network interface, you will have to perform a 141warm boot to have the device properly configured. 142.Pp 143Note that this condition only occurs when warm booting from another 144operating system. 145If you power down your system prior to booting 146.Dx , 147the card should be configured correctly. 148.El 149.Sh SEE ALSO 150.Xr arp 4 , 151.Xr ifmedia 4 , 152.Xr miibus 4 , 153.Xr netintro 4 , 154.Xr ng_ether 4 , 155.Xr polling 4 , 156.Xr ifconfig 8 157.Rs 158.%T SiS 900 and SiS 7016 datasheets 159.%O http://www.sis.com.tw 160.Re 161.Rs 162.%T NatSemi DP83815 datasheet 163.%O http://www.national.com 164.Re 165.Sh HISTORY 166The 167.Nm 168device driver first appeared in 169.Fx 3.0 . 170.Sh AUTHORS 171The 172.Nm 173driver was written by 174.An Bill Paul Aq wpaul@ee.columbia.edu . 175