On Sat, 12 Feb 2000, Paul Kranenburg wrote:

> > I get this in syslog when I try to subject the card to any kind of heavy
> > network traffic (i.e. FTPing a 95 megabyte tar file to a machine directly
> > connected).
> > 
> > Feb  9 21:00:03 testsparc /netbsd: hme0: buffer overflow, ri=0;
> 
> The ring buffers are currently completely static and probably not
> adequately sized (I must implement dma_load_mbuf() some day).
> 
> You may want to experiment a bit with the number of descriptors
> allocated for packet reception: bump _HME_NDESC to a higher multiple
> of 16.

I twiddled with it for a while and found that a setting of 64 for
_HME_NDESC seems to be the Right Thing.

From ftp:

4690400 bytes received in 2.7 seconds (1.7e+03 Kbytes/s)