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tl.4freebsd

Langue: en

Version: 300789 (debian - 07/07/09)

Section: 4 (Pilotes et protocoles réseau)


BSD mandoc

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.conf5:

 if_tl_load="YES"
 

DESCRIPTION

The 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 Semiconductor DP83840A or other MII-compliant PHY may be attached to the ThunderLAN's MII bus. If a DP83840A or equivalent is available, the ThunderLAN 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 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 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 driver supports Texas Instruments ThunderLAN based Ethernet and Fast Ethernet adapters including a large number of Compaq PCI Ethernet adapters. Also supported are:

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

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_ether4, ifconfig(8)

HISTORY

The device driver first appeared in Fx 2.2 .

AUTHORS

The driver was written by An Bill Paul Aq wpaul@ctr.columbia.edu .
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