if_tl man page on PC-BSD

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TL(4)			 BSD Kernel Interfaces Manual			 TL(4)

NAME
     tl — Texas Instruments ThunderLAN Ethernet device driver

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

	   device miibus
	   device tl

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

	   if_tl_load="YES"

DESCRIPTION
     The tl driver provides support for PCI Ethernet adapters based on the
     Texas Instruments ThunderLAN Ethernet controller chip.

     The ThunderLAN controller has a standard MII interface that supports up
     to 32 physical interface devices (PHYs).  It also has a built-in 10baseT
     PHY hardwired at MII address 31, which may be used in some 10Mbps-only
     hardware configurations.  In 100Mbps configurations, a National Semicon‐
     ductor DP83840A or other MII-compliant PHY may be attached to the Thun‐
     derLAN's MII bus.	If a DP83840A or equivalent is available, the Thunder‐
     LAN chip can operate at either 100Mbps or 10Mbps in either half-duplex or
     full-duplex modes.	 The ThunderLAN's built-in PHY and the DP83840A also
     support autonegotiation.

     The tl driver supports the following media types:

     autoselect		   Enable autoselection of the media type and options.
			   Note that this option is only available on those
			   PHYs that support autonegotiation.  Also, the PHY
			   will not advertise those modes that have been
			   explicitly disabled using the following media
			   options.

     10baseT/UTP	   Set 10Mbps operation

     100baseTX		   Set 100Mbps (Fast Ethernet) operation

     10base5/AUI	   Enable AUI/BNC interface (useful only with the
			   built-in PHY).

     The tl driver supports the following media options:

     full-duplex	   Force full duplex operation

     half-duplex	   Force half duplex operation.

     hw-loopback	   Enable hardware loopback mode.

     Note that the 100baseTX media type is only available if supported by the
     PHY.  For more information on configuring this device, see ifconfig(8).

HARDWARE
     The tl driver supports Texas Instruments ThunderLAN based Ethernet and
     Fast Ethernet adapters including a large number of Compaq PCI Ethernet
     adapters.	Also supported are:

     ·	 Olicom OC-2135/2138 10/100 TX UTP adapter
     ·	 Olicom OC-2325/OC-2326 10/100 TX UTP adapter
     ·	 Racore 8148 10baseT/100baseTX/100baseFX adapter
     ·	 Racore 8165 10/100baseTX adapter

     The tl driver also supports the built-in Ethernet adapters of various
     Compaq Prosignia servers and Compaq Deskpro desktop machines including:

     ·	 Compaq Netelligent 10
     ·	 Compaq Netelligent 10 T PCI UTP/Coax
     ·	 Compaq Netelligent 10/100
     ·	 Compaq Netelligent 10/100 Dual-Port
     ·	 Compaq Netelligent 10/100 Proliant
     ·	 Compaq Netelligent 10/100 TX Embedded UTP
     ·	 Compaq Netelligent 10/100 TX UTP
     ·	 Compaq NetFlex 3P
     ·	 Compaq NetFlex 3P Integrated
     ·	 Compaq NetFlex 3P w/BNC

DIAGNOSTICS
     tl%d: couldn't map memory	A fatal initialization error has occurred.

     tl%d: couldn't map interrupt  A fatal initialization error has occurred.

     tl%d: device timeout  The device has stopped responding to the network,
     or there is a problem with the network connection (cable).

     tl%d: no memory for rx list  The driver failed to allocate an mbuf for
     the receiver ring.

     tl%d: no memory for tx list  The driver failed to allocate an mbuf for
     the transmitter ring when allocating a pad buffer or collapsing an mbuf
     chain into a cluster.

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

HISTORY
     The tl device driver first appeared in FreeBSD 2.2.

AUTHORS
     The tl driver was written by Bill Paul ⟨wpaul@ctr.columbia.edu⟩.

BSD				 July 16, 2005				   BSD
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