Chelsio netmap support ? (RELENG_11)

[Navdeep Parhar]

On Tue, Mar 7, 2017 at 1:53 PM, Mike Tancsa <mike at sentex.net> wrote:
...
>
> Using netsend, I cant seem to blast through a single flow of packets
> greater than 800Kpps without packet loss.  Can you point me to any
> performance tweaks for forwarding / routing ?
>
> I have 3 boxes, with one in the middle
>
> (netsend box) <----> (router with chelsio nics) <---> (netreceive box)

How is the router configured -- is this something netmap based?
Please provide more details of the configuration.  What kind of
CPU/chipset is it?

Do you see any PAUSE frames out of the T5? "sysctl dev.cxl dev.vcxl |
grep _pause"  Is any CPU core pegged at 100% during the test?

Regards,
Navdeep

> #./netsend 10.151.10.3 500 100 800000 20
> Sending packet of payload size 100 every 0.000001250s for 20 seconds
> calling time every 100 cycles
>
> start:             1488952041.000000000
> finish:            1488952061.000000837
> send calls:        16000000
> send errors:       0
> approx send rate:  800000 pps
> time/packet:       1250 ns
> approx error rate: 0
> waited:            333086341
> approx waits/sec:  16654317
> approx wait rate:  20
>
>