[Avila] Ethernet performance problem with OpenWRT

[Mark Kelly]

Well, I'm looking for a solution that works with the GW2345 and can do
kernel bridging with the interfaces.  The old open source one didn't
work well at all, and the new one gives me incredibly horrible
throughput (the interface comes up in 10mbs, half duplex mode and there
is no way to change it that I've found.).  The ixp400 driver with the
IAL is the only one that appears to work correctly with the kendin
switch in the 2345, but I wanted to use the new features in OpenWRT
trunk but I can't seem to get IAL to compile on Kernel 2.6.23.


On Mon, 2008-02-25 at 11:38 -0500, David Acker wrote:

> Mark Kelly wrote:
> > Does this driver work well with bridging? 
> We are using our own router software over it that does bridging with 
> this driver without any issues.  I can't say how well the standard linux 
> bridging driver works with it.
> -Ack
> 
> 
> > 
> > Chris, 
> > 
> > If you are listening, do you have the IAL patched to work with the newer 
> > kernels, specifically 2.6.23 or 2.6.24?
> > 
> > 
> > On Mon, 2008-01-07 at 15:53 -0500, David Acker wrote:
> >> David Acker wrote:
> >> > Benoit PAPILLAULT wrote:
> >> >> -----BEGIN PGP SIGNED MESSAGE-----
> >> >> Hash: SHA1
> >> >>
> >> >> Benoit PAPILLAULT a écrit :
> >> >>>>> Was wondering if someone else was experiencing the same problem or if
> >> >>>>> you guys are using the bare IAL 2.4?
> >> >> I have tested Kamikaze 7.09 + IAL 2.4 (including patches from Gateworks
> >> >> found in their BSP). That was quite a bit of porting but it's working.
> >> >> Performance seems to be back (60 Mbits over the Ethernet port tested
> >> >> using iperf). However, without any other applications, the CPU Load
> >> >> keeps increasing over time, up to value > 1. Thus, it's still not fully
> >> >> usable.
> >> > 
> >> > I use a gw2348 with 2.6.18.4 and one of the earlier open source drivers (never made it to mainline), 
> >> > http://www.hohnstaedt.de/ixp_npe/ , version 2.1. I found the IAL horrible and dumped it.  For TCP iperf sending from the 
> >> > avila to a pc I get around 90 mbps and 88 mbps when the avila is receiving.  60 mbps sounds kind of low to me.
> >> > -Ack
> >> Note, I am using a gw2348-4 with a CPU running at 533 Mhz.  The gw2348-2's CPU seems to run at 266 Mhz so perhaps 60 
> >> mbps is ok.
> >> -Ack
> >>
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