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ALC(4)                   BSD Kernel Interfaces Manual                   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 <&lt;device>&gt; 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
     The alc driver was written by Pyun YongHyeon for FreeBSD and ported to
     OpenBSD by Kevin Lo <kevlo@openbsd.org>.

BSD                             March 24, 2017                             BSD