Call for bge(4) testers

Pyun YongHyeon pyunyh at gmail.com
Sat Nov 14 03:16:15 UTC 2009


On Fri, Nov 13, 2009 at 01:53:08PM -0800, Xin LI wrote:

[...]

> > I'm interesting in performance changes before/after the diff and
> > any regressions from the diff. Please test I'll commit the diff
> > next week unless I get regressions.
> 
> So far I have not seen regressions after bge.tso.1111-1.diff .  I have
> not done any benchmarks though, never imagined my laptop is equipped
> with TSO :)
> 
> [delphij at delta] /usr/src/sys/net> ifconfig bge0
> bge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
> 	options=19b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4>
> 

AFAIK bge(4) was the only driver that lacks TSO support for TSO
capable hardwares.(I'm not sure whether et(4) controllers also have
TSO capability though) You may notice better TCP bulk transfer
performance as well as lower CPU load.

Thanks for testing!


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