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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 also 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
                   supported.

       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 ifconfig(8).


HARDWARE
       Adapters supported by the lge driver include:

       •   SMC TigerCard 1000 (SMC9462SX)
       •   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  allocate  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 (cable).


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

       Level 1 LXT1001 Programming Manual, https://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@windriver.com>.

Debian                                            July 16, 2005                                           LGE(4)