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Hi,

I have a...

$ dmesg|grep tlp
tlp0 at pci0 dev 19 function 0: DECchip 21140 Ethernet, pass 1.2
tlp0: broken MicroWire interface detected; setting SROM size to 1Kb
tlp0: interrupting at irq 11
tlp0: SMC 9332DST, Ethernet address 00:00:c0:0b:ec:e7
tlp0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX

$ ifconfig tlp0
tlp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
         address: xx:xx:xx:xx:xx:xx
         media: Ethernet 10baseT
         inet xxx.xxx.xxx.x netmask 0xffffffe0 broadcast xxx.xxx.xxx.x
         inet6 xxxx::xxx:xxxx:xxxx:xxxx%tlp0 prefixlen 64 scopeid 0x2

... How do I get the media to use 100baseTX-FDX ?

The man page for tlp [TLP(4)] has this to say...

> DECchip 21140 and 21140A -- This is the third chip in the Tulip
> family, dubbed ``FasterNet''.  It supports 10Mb/s speeds with a
> built-in 10BASE-T encoder/decoder, and 100Mb/s speeds with a
> built-in 100BASE PCS function.  Support for 100BASE-TX and 
> 100BASE-T4 is provided by a built-in scrambler.  Support for
> 100BASE-FX is possible with an appropriate PMD connected to the
> 100BASE PCS.  The 21140 and 21140A also support 10Mb/s and
> 100Mb/s speeds over an MII interface connected to one or more 
> PHYs.

How do we use this "scrambler". What's the user-land interface?

Bottom line is, I'd like to use this NIC at 100Mb/s.

Any help would be great!

Thanks,

Louis





>  
> The 21140 and 21140A include a general purpose I/O facility,
> which may be used to toggle relays on the board.  This facility  
> is often used to reset individual board modules (e.g.  the MII 
> bus), select the output path of the chip (e.g. connect the UTP
> port on the board to the PHY, built-in 10BASE-T ENDEC, or
> built-in 100BASE-T PMD), or detect link status (by reading an 
> output pin on the 100BASE-T magnetics).
>  
> The 21140 and 21140A use a standardized data structure located
> in the SROM to describe how the chip should be programmed for 
> various media settings, including the internal chip pathway,
> and GPIO settings.  If the SROM data is not in the standardized
> format, the device driver must know specific programming infor-
> mation for that particular board.
>                                                                
> Boards that include the 21140 and 21140A include the DEC EB140, 
> DE-500XA, DE-500AA, Asante EtherFast, DaynaPORT BlueStreak,
> Cogent EM100TX, EM110TX, EM440T4 multi-port, Kingston KNE100TX,
> older versions of the NetGear FA-310TX, SMC 9332, SMC 9334,
> ZNYX ZX34x multi-port, and Adaptec ANA-6944A/TX multi-port.


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