1.\" $OpenBSD: cas.4,v 1.6 2008/04/02 22:50:36 kettenis Exp $ 2.\" 3.\" Copyright (c) 2007 Mark Kettenis <kettenis@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: April 2 2008 $ 18.Dt CAS 4 19.Os 20.Sh NAME 21.Nm cas 22.Nd Sun Cassini 10/100/Gigabit Ethernet device 23.Sh SYNOPSIS 24.Cd "cas* at pci?" 25.Cd "brgphy* at mii?" 26.Cd "gentbi* at mii?" 27.Cd "nsgphy* at mii?" 28.Sh DESCRIPTION 29The 30.Nm 31driver provides support for various NICs based on the Sun 32Cassini/Cassini+ and National Semiconductor Saturn Ethernet controller 33chips, including the following: 34.Pp 35.Bl -bullet -compact -offset indent 36.It 37Sun GigaSwift Ethernet Adapter (10/100/1000baseT) 38.It 39Sun GigaSwift Ethernet Adapter (1000baseSX) 40.It 41Sun Quad GigaSwift Ethernet UTP Adapter (10/100/1000baseT) 42.It 43Sun Quad GigaSwift PCI-X Adapter (10/100/1000baseT) 44.El 45.Pp 46It uses an internal or external PHY or an external 10-bit interface. 47.Pp 48The 49.Nm 50driver supports several media types, which are selected via the 51.Xr ifconfig 8 52command. 53The supported media types are: 54.Bl -tag -width "media" -offset indent 55.It media autoselect 56Attempt to autoselect the media type (default) 57.It media 1000baseT mediaopt full-duplex 58Use 1000baseT on copper, full duplex 59.It media 1000baseT Op mediaopt half-duplex 60Use 1000baseT on copper, half duplex 61.It media 1000baseSX mediaopt full-duplex 62Use 1000baseSX on fiber, full duplex 63.It media 1000baseSX Op mediaopt half-duplex 64Use 1000baseSX on fiber, half duplex 65.It media 100baseTX mediaopt full-duplex 66Use 100baseTX, full duplex 67.It media 100baseTX Op mediaopt half-duplex 68Use 100baseTX, half duplex 69.It media 10baseT mediaopt full-duplex 70Use 10baseT, full duplex 71.It media 10baseT Op mediaopt half-duplex 72Use 10baseT, half duplex 73.El 74.Sh SEE ALSO 75.Xr arp 4 , 76.Xr brgphy 4 , 77.Xr gentbi 4 , 78.Xr ifmedia 4 , 79.Xr inet 4 , 80.Xr intro 4 , 81.Xr netintro 4 , 82.Xr nsgphy 4 , 83.Xr hostname.if 5 , 84.Xr ifconfig 8 85.Sh HISTORY 86.Ox 87support for 88.Nm 89first appeared in 90.Ox 4.1 . 91.Sh AUTHORS 92The 93.Nm 94driver was written by 95.An Mark Kettenis Aq kettenis@openbsd.org 96based on the 97.Xr gem 4 98driver. 99.Sh BUGS 100The 101.Nm 102driver does not yet use many of the advanced features the Cassini chip 103offers. 104