NAME
msk, mskc —
    Marvell Yukon-2 10/100/1Gb Ethernet
    device
SYNOPSIS
mskc* at pci?
  
  msk* at mskc?
  
  eephy* at mii?
DESCRIPTION
The msk driver provides support for
    Marvell Yukon-2 88E802x, 88E805x, 88E806x, and 88E807x based Gigabit
    Ethernet adapters and 88E803x/88E804x based Fast Ethernet adapters,
    including the following:
- D-Link DGE-550SX, multimode fiber adapter
- D-Link DGE-560SX, multimode fiber adapter
- D-Link DGE-550T B1, copper adapter
- D-Link DGE-560T, copper adapter
- SysKonnect SK-9E21 single port, copper adapter
- SysKonnect SK-9E22 dual port, copper adapter
- SysKonnect SK-9E81 single port, multimode fiber adapter
- SysKonnect SK-9E82 dual port, multimode fiber adapter
- SysKonnect SK-9E91 single port, single mode fiber adapter
- SysKonnect SK-9E92 dual port, single mode fiber adapter
- SysKonnect SK-9S21 single port, copper adapter
- SysKonnect SK-9S22 dual port, copper adapter
- SysKonnect SK-9S81 single port, multimode fiber adapter
- SysKonnect SK-9S82 dual port, multimode fiber adapter
- SysKonnect SK-9S91 single port, single mode fiber adapter
- SysKonnect SK-9S92 dual port, single mode fiber adapter
- SysKonnect SK-9E21D single port, copper adapter
The Yukon-2 88E802x, 88E805x, 88E806x, and 88E807x also support jumbo frames.
The msk driver supports the following
    media types:
- autoselect
- Enable autoselection of the media type and options. The user can manually override the autoselected mode by adding media options to the appropriate hostname.if(5) file.
- 10baseT
- Set 10Mbps operation. The
      ifconfig(8) mediaoptoption can also be used to select eitherfull-duplexorhalf-duplexmodes.
- 100baseTX
- Set 100Mbps (Fast Ethernet) operation. The
      ifconfig(8) mediaoptoption can also be used to select eitherfull-duplexorhalf-duplexmodes.
- 1000baseT
- Set 1000baseT (Gigabit Ethernet) operation over twisted pair. Both
      full-duplexandhalf-duplexmodes are supported.
- 1000baseSX
- Set 1000Mbps (Gigabit Ethernet) operation. Both
      full-duplexandhalf-duplexmodes are supported.
The msk driver supports the following
    media options:
- full-duplex
- Force full duplex operation.
- half-duplex
- Force half duplex 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 msk0 media.
SEE ALSO
arp(4), eephy(4), ifmedia(4), intro(4), netintro(4), pci(4), hostname.if(5), ifconfig(8)
HISTORY
The msk driver first appeared in
    OpenBSD 4.0.
AUTHORS
The msk driver was written by
    Mark Kettenis
    <kettenis@openbsd.org>.
BUGS
The msk driver does not support hardware
    receive IP checksum offload yet.