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NEP(4) Device Drivers Manual NEP(4)


nepSun Neptune 10Gb Ethernet device


nep* at pci?
brgphy* at mii?


The nep driver provides support for various NICs based on the Sun Neptune Ethernet controller chips, including the following:
It uses an internal or external PHY or an external 10-bit interface.
The nep driver supports several media types, which are selected via the ifconfig(8) command. The supported media types are:
media autoselect
Attempt to autoselect the media type (default)
media 1000baseT mediaopt full-duplex
Use 1000baseT on copper, full duplex
media 1000baseT [mediaopt half-duplex]
Use 1000baseT on copper, half duplex
media 100baseTX mediaopt full-duplex
Use 100baseTX, full duplex
media 100baseTX [mediaopt half-duplex]
Use 100baseTX, half duplex


arp(4), brgphy(4), ifmedia(4), inet(4), intro(4), netintro(4), hostname.if(5), ifconfig(8)


OpenBSD support for nep first appeared in OpenBSD 5.7.


The nep driver was written by Mark Kettenis <kettenis@openbsd.org>.


The nep driver currently only supports 1Gb Ethernet NICs. It also does not yet use many of the advanced features the Neptune chip offers.
January 10, 2015 OpenBSD-current