netmap bridge can tranmit big packet in line rate ?

[Luigi Rizzo]

On Tue, May 21, 2013 at 04:30:02AM -0700, liujie wrote:
> Thank marko.
> 
> My machine mainboard chipset is intel c206, and network is dual-port intel
> x520 card.

while you run your tests, try to instrument bridge.c
and see how many pps it actually receives and transmits.
As Marko said, there might be congestion on the PCIe bus,
but i would expect a lot more of it with small packet sizes
than large ones.

cheers
luigi

> I'll find other machine to test once more.
> 
> 
> 
> --
> View this message in context: http://freebsd.1045724.n5.nabble.com/netmap-bridge-can-tranmit-big-packet-in-line-rate-tp5813346p5813661.html
> Sent from the freebsd-net mailing list archive at Nabble.com.
> _______________________________________________
> freebsd-net at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to "freebsd-net-unsubscribe at freebsd.org"