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 1.2 2003/06/17 04:36:59 dillon 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.Pp 72.Bl -tag -width 10baseTXUTP 73.It autoselect 74Enable autoselection of the media type and options. 75The user can manually override 76the autoselected mode by adding media options to 77.Xr rc.conf 5 . 78.It 10baseT/UTP 79Set 10Mbps operation. 80The 81.Xr ifconfig 8 82.Cm mediaopt 83option can also be used to select either 84.Sq full-duplex 85or 86.Sq half-duplex 87modes. 88.It 100baseTX 89Set 100Mbps (fast ethernet) operation. 90The 91.Xr ifconfig 8 92.Cm mediaopt 93option can also be used to select either 94.Sq full-duplex 95or 96.Sq half-duplex 97modes. 98.El 99.Pp 100The 101.Nm 102driver supports the following media options: 103.Pp 104.Bl -tag -width full-duplex 105.It full-duplex 106Force full duplex operation 107.It half-duplex 108Force half duplex operation. 109.El 110.Pp 111For more information on configuring this device, see 112.Xr ifconfig 8 . 113.Sh DIAGNOSTICS 114.Bl -diag 115.It "sis%d: couldn't map ports/memory" 116A fatal initialization error has occurred. 117.It "sis%d: couldn't map interrupt" 118A fatal initialization error has occurred. 119.It "sis%d: watchdog timeout" 120The device has stopped responding to the network, or there is a problem with 121the network connection (e.g. a cable fault). 122.It "sis%d: no memory for rx list" 123The driver failed to allocate an mbuf for the receiver ring. 124.It "sis%d: no memory for tx list" 125The driver failed to allocate an mbuf for the transmitter ring when 126allocating a pad buffer or collapsing an mbuf chain into a clusisr. 127.It "sis%d: chip is in D3 power state -- setting to D0" 128This message applies only to adapters which support power 129management. 130Some operating systems place the controller in low power 131mode when shutting down, and some PCI BIOSes fail to bring the chip 132out of this state before configuring it. 133The controller loses all of 134its PCI configuration in the D3 state, so if the BIOS does not set 135it back to full power mode in time, it will not be able to configure it 136correctly. 137The driver tries to detect this condition and bring 138the adapter back to the D0 (full power) state, but this may not be 139enough to return the driver to a fully operational condition. 140If 141you see this message at boot time and the driver fails to attach 142the device as a network interface, you will have to perform a 143warm boot to have the device properly configured. 144.Pp 145Note that this condition only occurs when warm booting from another 146operating system. 147If you power down your system prior to booting 148.Fx , 149the card should be configured correctly. 150.El 151.Sh SEE ALSO 152.Xr arp 4 , 153.Xr miibus 4 , 154.Xr netintro 4 , 155.Xr ng_ether 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