Re: Help Sought: 8390-Ethernet Troubles on PowerPC 4xx Port

Niklaus (and others),

Thanks again for the insight on the Oak 8390-based Ethernet driver. The
polled register read/write macros did the trick (at least partially so).

I've done the modification fairly cleanly; however, I'm not sure that the
kernel maintainers will accept the attendant changes to 8390.[ch] via the
nic_{i,o}[s]{b,w}[p] macros. We'll see.

Hard to say without seeing it.  Not worth bending over backwards to try
and adapt the current 8390 if it means obfuscating things in the process 
(the EI_SHIFT trickery may lie somehwere in this grey area).  Code 
duplication is no longer considered supreme evil (wrt linux drivers
anyway) 
if it makes life easier.  

The board now at least ARPs through the interface to the NFS server and
the NFS server responds. However, that's as far as it gets at this point
(see below). Any ideas? In the interim, I'm going to try experimenting
with a few more things.

Sounds like your driver isn't Rx'ing the arp reply properly and handing 
it off to the upper layers where it can get put into the ARP table.
I assume /proc/net/arp isn't showing your NFS server.

What is the scoop on these cards?  At a glance oaknet.c in 2.3.40 looks
pretty much like ne.c but stripped of the PCI crud.

Paul.


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