linux-kernel - Re: [PATCH 0/4] atl1: Revised Attansic L1 ethernet driver

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Date:	Fri, 8 Dec 2006 17:51:40 -0800 (PST)
From:	Vasco <vvisser@...ence.uva.nl>
To:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] atl1: Revised Attansic L1 ethernet driver



I've got the p5B-E board to with the onboard attansic l1.

I did the the atl1-2.0.2 patch against the 2.6.19.rc6 kernel.

I can confirm the card is working but performance is *really* bad, 200Kb/s
over Gbit LAN.
I tried copying a ~50MB file over SSH and it didn't complete because of a
connection stall.

I also tried turninig off TSO as adviced, but i got the message "operation
not supported". 

Im willing to do more testing, just tell me what I can do.

Greetings
Vasco


Jay Cliburn wrote:
> 
> Luca Tettamanti wrote:
> 
>> Got the board, done some basic testing: so far so good :)
>> 
>> The controller also supports MSI and (at least with my chipset - G965)
>> it works fine:
>> 
>> 218:      80649          0   PCI-MSI-edge      eth1
>> 
>> which is nice, otherwise it ends up sharing the IRQ with SATA and USB.
>> 
>> I also have a small patch:
> 
> Thanks for the patch.  We'll add it for the next version.
> 
> FYI, TSO performance is _really_ bad; your tx speed will drop dramatically
> with 
> TSO on (and it's on by default).  I haven't yet been able to find the
> problem. 
> If you want to improve tx performance, turn off TSO with ethtool.
> 
> Jay
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