lge(4)

NAME

lge - Level 1 LXT1001 NetCellerator PCI Gigabit Ethernet

adapter driver

SYNOPSIS

To  compile this driver into the kernel, place the following
lines in your
kernel configuration file:
      device miibus
      device lge
Alternatively, to load the driver as a module at boot  time,
place the
following line in loader.conf(5):
      if_lge_load="YES"

DESCRIPTION

The lge driver provides support for various NICs based on

the Level 1
LXT1001 NetCellerator Gigabit Ethernet controller chip.

The LXT1001 supports fiber PHYs and also a GMII port for use

with
10/100/1000 copper PHYs, however there are currently no NICs

on the market that use this feature.

The LXT1001 supports TCP/IP checksum offload for receive and

VLAN-based
filtering as well as a 64-bit multicast hash filter. It al

so supports
jumbo frames, which can be configured via the interface MTU

setting.
Selecting an MTU larger than 1500 bytes with the ifconfig(8)

utility configures the adapter to receive and transmit jumbo frames.

Using jumbo
frames can greatly improve performance for certain tasks,

such as file
transfers and data streaming.

The lge 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 rc.conf(5).

1000baseSX Set 1000baseSX operation over fiber optic

cable. Both

full-duplex and half-duplex modes are sup

ported.

The lge 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 ifcon

fig(8).

HARDWARE

Adapters supported by the lge driver include:

+o SMC TigerCard 1000 (SMC9462SX)
+o D-Link DGE-500SX

DIAGNOSTICS

lge%d: couldn't map memory A fatal initialization error has

occurred.

lge%d: couldn't map ports A fatal initialization error has

occurred.

lge%d: couldn't map interrupt A fatal initialization error

has occurred.

lge%d: no memory for softc struct! The driver failed to al

locate memory
for per-device instance information during initialization.

lge%d: failed to enable memory mapping! The driver failed

to initialize
PCI shared memory mapping. This might happen if the card is

not in a
bus-master slot.

lge%d: no memory for jumbo buffers! The driver failed to

allocate memory
for jumbo frames during initialization.

lge%d: watchdog timeout The device has stopped responding

to the network, or there is a problem with the network connection (ca

ble).

SEE ALSO

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

Level 1 LXT1001 Programming Manual, http://www.FreeBSD.org/~wpaul/Level1/LXT1001SRM.pdf.

HISTORY

The lge device driver first appeared in FreeBSD 4.4.

AUTHORS

The lge driver was written by Bill Paul <william.paul@win

driver.com>.

BSD July 16, 2005

BSD