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MSK(4) Device Drivers Manual MSK(4)

msk — Marvell/SysKonnect Yukon II Gigabit Ethernet adapter driver

To compile this driver into the kernel, place the following lines in your kernel configuration file:

device miibus
device msk

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

if_msk_load="YES"

The msk device driver provides support for various NICs based on the Marvell/SysKonnect Yukon II Gigabit Ethernet controller chip.

All NICs supported by the msk driver have an interrupt moderation mechanism as well as a 64-bit multicast hash filter. The Yukon II supports TBI (ten bit interface) and GMII transceivers, which means it can be used with either copper or 1000baseX fiber applications.

The msk driver supports the following media types:

Enable autoselection of the media type and options. The user can manually override the autoselected mode by adding media options to rc.conf(5).
Set 10Mbps operation. The ifconfig(8) mediaopt option can also be used to select either full-duplex or half-duplex modes.
Set 100Mbps (Fast Ethernet) operation. The ifconfig(8) mediaopt option can also be used to select either full-duplex or half-duplex modes.
Set 1000baseT operation over twisted pair. The ifconfig(8) mediaopt option can also be used to select either full-duplex or half-duplex modes.
Set 1000Mbps (Gigabit Ethernet) operation. Both full-duplex and half-duplex modes are supported.

The msk driver supports the following media options:

Force full duplex operation.
Force half duplex operation.

The msk driver also supports one special link option for 1000baseT cards:

With 1000baseT cards, establishing a link between two ports requires that one port is configured as master and the other one as slave. With autonegotiation, the master/slave settings will be chosen automatically. However when manually selecting the link state, it is necessary to force one side of the link to be a master and the other a slave. The msk driver configures the ports as slaves by default. Setting the link0 flag with ifconfig(8) will set a port as a master instead.

For more information on configuring this device, see ifconfig(8).

The msk driver provides support for various NICs based on the Marvell/SysKonnect Yukon II based Gigabit Ethernet controller chips, including:

Tunables can be set at the loader(8) prompt before booting the kernel or stored in loader.conf(5).

hw.mskc.msi.enable
The driver supports MSI but it is turned off by default. It can be enabled by setting this tunable to 1.

altq(4), arp(4), ifmedia(4), miibus(4), netintro(4), ng_ether(4), ifconfig(8)

The msk driver was written by Pyun YongHyeon <yongari@FreeBSD.org> and it is based on sk(4) and Marvell's FreeBSD driver. It first appeared in DragonFly 1.11.

November 20, 2014 DragonFly-5.6.1