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NGE(4) Device Drivers Manual NGE(4)

NAME

ngeNational Semiconductor PCI 10/100/Gigabit Ethernet device

SYNOPSIS

nge* at pci?
nsgphy* at mii?

DESCRIPTION

The nge driver provides support for various NICs based on the National Semiconductor DP83820 and DP83821 Gigabit Ethernet controller chips, including the following:
The nge driver supports IPv4 receive IP/TCP/UDP checksum offload, VLAN tag insertion and stripping, as well as a 2048-bit multicast hash filter and up to 4 pattern match buffers.
The nge driver also supports jumbo frames.
The nge 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) mediaopt option can also be used to select either full-duplex or half-duplex modes.
 
 
100baseTX
Set 100Mbps (Fast Ethernet) operation. The ifconfig(8) mediaopt option can also be used to select either full-duplex or half-duplex modes.
 
 
1000baseT
Set 1000baseT operation over twisted pair. Both full-duplex and half-duplex modes are supported.
 
 
1000baseSX
Set 1000Mbps (Gigabit Ethernet) operation. Both full-duplex and half-duplex modes are supported.
The nge 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).

SEE ALSO

arp(4), ifmedia(4), intro(4), netintro(4), nsgphy(4), pci(4), hostname.if(5), ifconfig(8)
National Semiconductor DP83820 datasheet, http://www.national.com.
National Semiconductor DP83861 datasheet, http://www.national.com.

HISTORY

The nge device driver first appeared in OpenBSD 3.0.

AUTHORS

The nge driver was written by Bill Paul <wpaul@bsdi.com>.
September 14, 2014 OpenBSD-current