[dpdk-dev] testpmd: not seeing any traffic on 1g (pair) or 10g pair

Al Patel alps.oss at gmail.com
Mon Aug 25 18:35:42 CEST 2014


HI Jayakumar,

I did. I don' that unbind script in my version (I am using 1.6)
root at fe-ucs48:~/dpdk-1.6.0r1# ./tools/pci_unbind.py --status

Network devices using IGB_UIO driver
====================================
0000:0e:00.0 '82599EB 10-Gigabit SFI/SFP+ Network Connection' drv=igb_uio
unused=ixgbe
0000:0e:00.1 '82599EB 10-Gigabit SFI/SFP+ Network Connection' drv=igb_uio
unused=ixgbe

Network devices using kernel driver
===================================
0000:08:00.0 '82576 Gigabit Network Connection' if=eth2 drv=igb
unused=igb_uio
0000:08:00.1 '82576 Gigabit Network Connection' if=eth3 drv=igb
unused=igb_uio
0000:14:00.0 '82576 Gigabit Network Connection' if=eth4 drv=igb
unused=igb_uio *Active*
0000:14:00.1 '82576 Gigabit Network Connection' if=eth6 drv=igb
unused=igb_uio

Other network devices
=====================
0000:05:00.0 '82576 Gigabit Network Connection' unused=igb,igb_uio
0000:05:00.1 '82576 Gigabit Network Connection' unused=igb,igb_uio


...
Checking link statuses...
Port 0 Link Up - speed 10000 Mbps - full-duplex
Port 1 Link Up - speed 10000 Mbps - full-duplex
Done
testpmd> show port stats all

  ######################## NIC statistics for port 0
 ########################
  RX-packets: 0          RX-errors: 0         RX-bytes: 0
  TX-packets: 0          TX-errors: 0         TX-bytes: 0

############################################################################

  ######################## NIC statistics for port 1
 ########################
  RX-packets: 0          RX-errors: 0         RX-bytes: 0
  TX-packets: 0          TX-errors: 0         TX-bytes: 0

############################################################################
testpmd>


testpmd> start tx_first
  io packet forwarding - CRC stripping disabled - packets/burst=16
  nb forwarding cores=2 - nb forwarding ports=2
  RX queues=1 - RX desc=128 - RX free threshold=0
  RX threshold registers: pthresh=8 hthresh=8 wthresh=4
  TX queues=1 - TX desc=512 - TX free threshold=0
  TX threshold registers: pthresh=36 hthresh=0 wthresh=0
  TX RS bit threshold=0 - TXQ flags=0x0
testpmd>


waited for a few seconds ...

testpmd> stop
Telling cores to stop...
Waiting for lcores to finish...

  ---------------------- Forward statistics for port 0
 ----------------------
  RX-packets: 0              RX-dropped: 0             RX-total: 0
  TX-packets: 0              TX-dropped: 0             TX-total: 0

----------------------------------------------------------------------------

  ---------------------- Forward statistics for port 1
 ----------------------
  RX-packets: 0              RX-dropped: 0             RX-total: 0
  TX-packets: 0              TX-dropped: 0             TX-total: 0

----------------------------------------------------------------------------

  +++++++++++++++ Accumulated forward statistics for all
ports+++++++++++++++
  RX-packets: 0              RX-dropped: 0             RX-total: 0
  TX-packets: 0              TX-dropped: 0             TX-total: 0

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Done.
testpmd>


Looks like nothing is being sent/received.

Thanks
-a

On Mon, Aug 25, 2014 at 12:30 PM, Jayakumar, Muthurajan <
muthurajan.jayakumar at intel.com> wrote:

> Can you please do the following steps as in Quick start guide
> http://dpdk.org/doc/quick-start
> Thanks,
>
> Extract sources.
> tar xf dpdk.tar.gz
> cd dpdk
> Build libraries and kernel module (Linux headers are needed).
> make config T=x86_64-native-linuxapp-gcc
> make
> The next steps must be done as root.
> Load kernel modules.
> modprobe uio
> insmod build/kmod/igb_uio.ko
> Bind Intel devices to igb_uio.
> tools/dpdk_nic_bind.py --bind=igb_uio $(tools/dpdk_nic_bind.py --status |
> sed -rn 's,.* if=([^ ]*).*igb_uio *$,\1,p')
> Reserve huge pages memory.
> mkdir -p /mnt/huge
> mount -t hugetlbfs nodev /mnt/huge
> echo 64 >
> /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages
> Set the highest frequency.
> for gov in /sys/devices/system/cpu/*/cpufreq/scaling_governor ; do echo
> performance >$gov ; done
> Run poll-mode driver test (with a cable between ports).
> build/app/testpmd -c7 -n3 -- -i --nb-cores=2 --nb-ports=2
>
> testpmd> show port stats all
>
>   ######################## NIC statistics for port 0
> ########################
>   RX-packets: 0          RX-errors: 0         RX-bytes: 0
>   TX-packets: 0          TX-errors: 0         TX-bytes: 0
>
> ############################################################################
>
>   ######################## NIC statistics for port 1
> ########################
>   RX-packets: 0          RX-errors: 0         RX-bytes: 0
>   TX-packets: 0          TX-errors: 0         TX-bytes: 0
>
> ############################################################################
>
> testpmd> start tx_first
>
> testpmd> stop
>
>   ---------------------- Forward statistics for port 0
> ----------------------
>   RX-packets: 7139974        RX-dropped: 0             RX-total: 7139974
>   TX-packets: 6699967        TX-dropped: 0             TX-total: 6699967
>
> ----------------------------------------------------------------------------
>
>   ---------------------- Forward statistics for port 1
> ----------------------
>   RX-packets: 6699967        RX-dropped: 0             RX-total: 6699967
>   TX-packets: 7139974        TX-dropped: 0             TX-total: 7139974
>
> ----------------------------------------------------------------------------
>
> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Al Patel
> Sent: Monday, August 25, 2014 9:20 AM
> To: dev at dpdk.org
> Subject: [dpdk-dev] testpmd: not seeing any traffic on 1g (pair) or 10g
> pair
>
> Hi,
>
> I am doing a basic test with testpmd per the getting started page.
> I connected two 1g in back to back mode and executed:
>
>  sudo ./build/app/testpmd -c 0xF -n 4 -- -i --portmask=0x2 --nb-cores=2
>
> start (and start tx_first)
> stop
>
> I see 0 counters for rx/tx.
>
> I removed the two 1g from uio driver and added two 10g 82599EB and reran
> the test - still 0 traffic.
>
> Wondering where to debug.
> thx
>


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