[tulip] Re: Digital Tulip Design

Homer Wilson Smith homer@lightlink.com
Fri, 19 May 2000 10:57:05 -0400 (EDT)


On Fri, 19 May 2000, Donald Becker wrote:

> On Mon, 8 May 2000, Homer Wilson Smith wrote:
> > > >     I was not able to get v92g to run in linux 2.0.36.
> > > You don't have 'pci-scan.o' loaded.
> >     This worked beautifully, still no FD on 21143 Kingstons.
> >     Using insmod tulip options=x  AFTER pci_scan is loaded,
> > the only options that tulip diag reports as full duplex are
> > 4,5,8,10,26 and 27.
> 
> Hmmm, did you try #14?
> This should set MII- 100baseTx-FD

    We need full dup in 10baseT-FD mode.

    The 100 base T has always worked fine.


> 
> >     Perhaps it is a problem with Cisco 1900 Switches in Full Dup mode?
> 
> Ciscos switches frequently have broken autonegotiation.
> 
> > May 10 19:25:46 jane kernel: tulip.c:v0.92 4/17/2000  Written by Donald Becker <becker@scyld.com> 
> > May 10 19:25:46 jane kernel:   http://www.scyld.com/network/tulip.html 
> > May 10 19:25:46 jane kernel: eth0: Digital DS21143 Tulip rev 65 at 0x2820000, 00:40:F0:4C:E6:A9, IRQ 11. 
> > May 10 19:25:46 jane kernel: eth0:  EEPROM default media type Autosense. 
> > May 10 19:25:46 jane kernel: eth0:  Index #0 - Media MII 100baseTx (#13)
> > described by a 21140 non-MII (0) block. 
> 
> Huh?  That's not right.  It should be just "MII transceiver".
> I have what I believe is an identical board that has no problem with v0.92
> 
> > May 10 19:25:46 jane kernel: eth0:  MII transceiver #1 config 3100 status
> > 782d advertising 03e0.
> 
> 
> >   Media MII, block type 3, length 13.
> >    MII interface PHY 0 (media type 11).
> 
> That looks normal.
> 
> >   2646 0001 0000 0000 0000 0000 0000 0300
> >   10a6 0104 c000 4cf0 a9e6 1e00 0000 0800
> >   8d01 0003 0000 7800 01e0 5000 1800 0000
> >   0000 0000 0000 0000 0000 0000 0000 0000
> 
> The table on my Kingston-provided adatper, which reads correctly with v92,
> is identical.
>   2646 0001 0000 0000 0000 0000 0000 0000
>   006b 0104 c000 3bf0 0200 1e00 0000 0800
>   8d01 0003 0000 7800 01e0 5000 1800 0000
>   0000 0000 0000 0000 0000 0000 0000 0000
> 
> 
> Donald Becker				becker@scyld.com
> Scyld Computing Corporation
> 410 Severn Ave. Suite 210
> Annapolis MD 21403
> 
>