1.\" $OpenBSD: alc.4,v 1.2 2009/08/08 14:12:41 jmc Exp $ 2.\" 3.\" Copyright (c) 2009 Kevin Lo <kevlo@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: August 8 2009 $ 18.Dt ALC 4 19.Os 20.Sh NAME 21.Nm alc 22.Nd Atheros AR8131/AR8132 10/100/Gigabit Ethernet device 23.Sh SYNOPSIS 24.Cd "alc* at pci?" 25.Cd "atphy* at mii?" 26.Sh DESCRIPTION 27The 28.Nm 29driver provides support for Ethernet interfaces based on the 30Atheros AR8131/AR8132 Ethernet chipset, also known as 31the Attansic L1C/L2C respectively. 32.Pp 33The 34.Nm 35driver supports IPv4 receive IP/TCP/UDP checksum offload and VLAN 36tag insertion and stripping. 37.Pp 38The following 39.Ar media 40types are supported: 41.Pp 42.Bl -tag -width autoselect -compact 43.It Cm autoselect 44Enable autoselection of the media type and options. 45.It Cm 10baseT 46Set 10Mbps operation. 47.It Cm 100baseTX 48Set 100Mbps (Fast Ethernet) operation. 49.It Cm 1000baseT 50Set 1000Mbps (Gigabit Ethernet) operation. 51.El 52.Pp 53For more information on configuring this device, see 54.Xr ifconfig 8 . 55To view a list of media types and options supported by the card, try 56.Ic ifconfig <device> media . 57For example, 58.Ic ifconfig alc0 media . 59.Sh SEE ALSO 60.Xr arp 4 , 61.Xr atphy 4 , 62.Xr ifmedia 4 , 63.Xr intro 4 , 64.Xr netintro 4 , 65.Xr pci 4 , 66.Xr hostname.if 5 , 67.Xr ifconfig 8 68.Sh HISTORY 69The 70.Nm 71device driver first appeared in 72.Ox 4.7 . 73.Sh AUTHORS 74.An -nosplit 75The 76.Nm 77driver was written by 78.An Pyun YongHyeon 79for 80.Fx 81and ported to 82.Ox 83by 84.An Kevin Lo 85.Aq kevlo@openbsd.org . 86