Hi Frank,
Comments welcome (is there anyone on this list with access to an
EtherNAT card,
besides cts and myself?).
Here (but I guess you already knew that?).
Sure - I wasn't sure whether you still followed the list though.
Regarding performance afforded by having a 100 Mbit PHY instead of a
10 Mbit
one:
EtherNAT: 210 KB/s out, 140 KB/s in (scp of a 35 MB vmlinux file)
EtherNEC: 175 KB/s out, 128 KB/s in (same file)
Hardly worth it, eh?
Depends, with MiNT speed differences are more impressive:
Falcon/AB040 or /ct60 with EtherNEC:
80k/sec Internet or 350k/sec local ftp server
I guess I will have to switch tp FTP to eliminate the ssh overhead. I cannot
seem to reproduce my receive speed anyway, the tests were done with both cards
running (different subnets though) so who knows what happened.
Falcon/ct60 with EtherNAT:
500k/sec Internet or 1.200k/sec local ftp server
Perhaps there is room for optimization?
Using interrupts on the EtherNAT would be a good starting point. I get hundreds
of RX overrun kernel messages, that's another bottleneck.
I'll have to clean up the code quite a bit to make it acceptable before I'll
start on interrupts. Still have to test whether it all works when compiled in,
too.
Is there a MiNT driver for the USB port on the EtherNAT as well? That might be
useful to tackle next.
Michael
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