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.\" 33.Dd September 4, 1999 34.Dt SIS 4 35.Os 36.Sh NAME 37.Nm sis 38.Nd "SiS 900, SiS 7016 and NS DP83815 fast ethernet device driver" 39.Sh SYNOPSIS 40.Cd "device miibus" 41.Cd "device sis" 42.Sh DESCRIPTION 43The 44.Nm 45driver provides support for PCI ethernet adapters and embedded 46controllers based on the Silicon Integrated Systems SiS 900 47and SiS 7016 fast ethernet controller chips, as well as support 48for adapters based on the National Semiconductor DP83815 (MacPhyter) 49PCI ethernet controller chip, including the Netgear FA311-TX and 50FA312-TX. 51.Pp 52The SiS 900 is a 100Mbps ethernet MAC and MII-compliant transceiver 53in a single package. 54It uses a bus master DMA and a scatter/gather 55descriptor scheme. 56The SiS 7016 is similar to the SiS 900 except 57that it has no internal PHY, requiring instead an external transceiver 58to be attached to its MII interface. 59The SiS 900 and SiS 7016 both have a 128-bit multicast hash filter 60and a single perfect filter entry for the station address. 61.Pp 62The NS DP83815 is also a 100Mbps ethernet MAC with integrated PHY. 63The NatSemi chip and the SiS 900 share many of the same features and 64a fairly similar programming interface, hence both chips are supported 65by the same driver. 66.Pp 67The 68.Nm 69driver supports the following media types: 70.Bl -tag -width 10baseTXUTP 71.It autoselect 72Enable autoselection of the media type and options. 73The user can manually override 74the autoselected mode by adding media options to 75.Xr rc.conf 5 . 76.It 10baseT/UTP 77Set 10Mbps operation. 78The 79.Xr ifconfig 8 80.Cm mediaopt 81option can also be used to select either 82.Sq full-duplex 83or 84.Sq half-duplex 85modes. 86.It 100baseTX 87Set 100Mbps (fast ethernet) operation. 88The 89.Xr ifconfig 8 90.Cm mediaopt 91option can also be used to select either 92.Sq full-duplex 93or 94.Sq half-duplex 95modes. 96.El 97.Pp 98The 99.Nm 100driver supports the following media options: 101.Bl -tag -width full-duplex 102.It full-duplex 103Force full duplex operation 104.It half-duplex 105Force half duplex operation. 106.El 107.Pp 108For more information on configuring this device, see 109.Xr ifconfig 8 . 110The 111.Nm 112driver supports 113.Xr polling 4 . 114.Sh DIAGNOSTICS 115.Bl -diag 116.It "sis%d: couldn't map ports/memory" 117A fatal initialization error has occurred. 118.It "sis%d: couldn't map interrupt" 119A fatal initialization error has occurred. 120.It "sis%d: watchdog timeout" 121The device has stopped responding to the network, or there is a problem with 122the network connection (e.g. a cable fault). 123.It "sis%d: no memory for rx list" 124The driver failed to allocate an mbuf for the receiver ring. 125.It "sis%d: no memory for tx list" 126The driver failed to allocate an mbuf for the transmitter ring when 127allocating a pad buffer or collapsing an mbuf chain into a clusisr. 128.It "sis%d: chip is in D3 power state -- setting to D0" 129This message applies only to adapters which support power 130management. 131Some operating systems place the controller in low power 132mode when shutting down, and some PCI BIOSes fail to bring the chip 133out of this state before configuring it. 134The controller loses all of 135its PCI configuration in the D3 state, so if the BIOS does not set 136it back to full power mode in time, it will not be able to configure it 137correctly. 138The driver tries to detect this condition and bring 139the adapter back to the D0 (full power) state, but this may not be 140enough to return the driver to a fully operational condition. 141If 142you see this message at boot time and the driver fails to attach 143the device as a network interface, you will have to perform a 144warm boot to have the device properly configured. 145.Pp 146Note that this condition only occurs when warm booting from another 147operating system. 148If you power down your system prior to booting 149.Dx , 150the card should be configured correctly. 151.El 152.Sh SEE ALSO 153.Xr arp 4 , 154.Xr ifmedia 4 , 155.Xr miibus 4 , 156.Xr netintro 4 , 157.Xr ng_ether 4 , 158.Xr polling 4 , 159.Xr ifconfig 8 160.Rs 161.%T SiS 900 and SiS 7016 datasheets 162.%U http://www.sis.com.tw 163.Re 164.Rs 165.%T NatSemi DP83815 datasheet 166.%U http://www.national.com 167.Re 168.Sh HISTORY 169The 170.Nm 171device driver first appeared in 172.Fx 3.0 . 173.Sh AUTHORS 174The 175.Nm 176driver was written by 177.An Bill Paul Aq Mt wpaul@ee.columbia.edu . 178