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I've got a au1550 board based largely on the pb1550. The ethernet
throughput is ~66Mbps using the 2.6 kernel. This also consumes a
lot of cpu cycles to send.
I put a test into YAMON and I can get full line rate out no problem.
I think this narrows it down to a problem with the kernel or my port
of it.
The actual au1000_eth driver doesn't do much work other than copy a
packet into cache aligned buffer. It must be more to do with the
scheduling of sending a new packet. tx_ack.
The kernel I'm using is a snapshot linux-mips CVS of 2.6.11-rc5.
Can anyone tell me if there improvements/fixes to this area since then?
Clem sent me the output of a test. In which he is getting 11MBs
I'm assuming the B is bytes in which case that is as near line rate as
dammit.
Clem you said were using 2.6.11 was that a kernel.org kernel or one
from linux-mips.org?
thnks for running the test clem.
- --
JP
mailto:jaypee@xxxxxxxxxx
http://www.jaypee.org.uk
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