Thread (51 messages) flat view 51 messages, 5 authors, 2007-08-27

Re: [PATCH] fix e100 rx path on ARM (was [PATCH] e100 rx: or s and el bits)

From: Kok, Auke <hidden>
Date: 2007-05-18 15:59:29

David Acker wrote:
Kok, Auke wrote:
quoted
David Acker wrote:
quoted
David Acker wrote:
quoted
Done.  Below is a patch against 2.6.22-rc1.  It combines removing the 
s-bit patch and applying the patch I previously sent.
Oops.  I missed one state in that patch.  Since the el-bit buffer will 
normally not complete due to a zero size, we need to check if the 
buffer with no data has the el-bit set.  Without this, you have to 
wait for the interrupt.  Sorry about that...this was in the code I 
tested on my embedded system but got lost in the regular kernel patch.
OK. Thanks.

If you don't mind I'm going to have some testing on this patch done for 
a bit now (mostly x86 hardware of course) to see if there's no pitfalls 
in it. It'll be a few days because of the weekend before I get back on it.
Cool.  I will see if I can get some more tests running over the weekend on our PXA255 
platform.
First impression just came in: It seems RX performance is dropped to 10mbit. TX 
is unaffected and runs at 94mbit/tcp, but RX the new code seems to misbehave and 
  fluctuate, dropping below 10mbit after a few netperf runs and staying there...

ideas?

Auke
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