ALC(4)

NAME
alc - Atheros AR813x/AR815x 10/100/Gigabit Ethernet device

SYNOPSIS
alc* at pci?
atphy* at mii?

DESCRIPTION
The alc driver provides support for Ethernet interfaces based on the Atheros AR813x/AR815x Ethernet chipset.

The alc driver supports IPv4 receive IP/TCP/UDP checksum offload and VLAN tag insertion and stripping.

The following media types are supported:

autoselect
    Enable autoselection of the media type and options.
10baseT
    Set 10Mbps operation.
100baseTX
    Set 100Mbps (Fast Ethernet) operation.
1000baseT
    Set 1000Mbps (Gigabit Ethernet) operation.

For more information on configuring this device, see ifconfig(8). To view a list of media types and options supported by the card, try ifconfig <device> media. For example, ifconfig alc0 media.

SEE ALSO
arp(4), atphy(4), ifmedia(4), intro(4), netintro(4), pci(4), hostname.if(5), ifconfig(8)

HISTORY
The alc device driver first appeared in OpenBSD 4.7.

AUTHORS
-nosplit The alc driver was written by Pyun YongHyeon for FreeBSD and ported to OpenBSD by Kevin Lo <kevlo@openbsd.org>.