But testpmd at the same version of DPDK is OK, like this: [gangyewei@yf-mos-test-net07 dpdk]$ sudo > /usr/local/share/openvswitch/scripts/dpdk_nic_bind --status > Network devices using DPDK-compatible driver > ============================================ > <none> > Network devices using kernel driver > =================================== > ... > 0000:03:00.0 'MT27640 Family' if=eth4 drv=mlx5_core unused=igb_uio > 0000:03:00.1 'MT27640 Family' if=eth5 drv=mlx5_core unused=igb_uio > 0000:03:00.2 'MT27641 Family' if=enp3s0f2 drv=mlx5_core unused=igb_uio > *Active* > ... > ===================== > <none> > [gangyewei@yf-mos-test-net07 dpdk]$ sudo > x86_64-native-linuxapp-gcc/app/testpmd -c 0x40004 -n 4 -w 0000:03:00.0 -w > 0000:03:00.1 -- -i > ... > EAL: Support maximum 128 logical core(s) by configuration. > EAL: Detected 32 lcore(s) > EAL: Probing VFIO support... > EAL: Module /sys/module/vfio_pci not found! error 2 (No such file or > directory) > EAL: VFIO modules not loaded, skipping VFIO support... > EAL: Module /sys/module/vfio_pci not found! error 2 (No such file or > directory) > EAL: Setting up physically contiguous memory... > ... > EAL: PCI device 0000:03:00.0 on NUMA socket 0 > EAL: probe driver: 15b3:1017 net_mlx5 > EAL: PCI device 0000:03:00.1 on NUMA socket 0 > EAL: probe driver: 15b3:1017 net_mlx5 > Interactive-mode selected > Configuring Port 0 (socket 0) > Port 0: EC:0D:9A:8E:D0:9C > Configuring Port 1 (socket 0) > Port 1: EC:0D:9A:8E:D0:9D > Checking link statuses... > Port 0 Link Up - speed 10000 Mbps - full-duplex > Port 1 Link Up - speed 10000 Mbps - full-duplex > Done > testpmd>
testpmd> set fwd mac > Set mac packet forwarding mode > testpmd> srat > Command not found > testpmd> start > mac packet forwarding - ports=2 - cores=1 - streams=2 - NUMA support > disabled, MP over anonymous pages disabled > Logical Core 18 (socket 0) forwards packets on 2 streams: > RX P=0/Q=0 (socket 0) -> TX P=1/Q=0 (socket 0) peer=02:00:00:00:00:01 > RX P=1/Q=0 (socket 0) -> TX P=0/Q=0 (socket 0) peer=02:00:00:00:00:00 > mac packet forwarding - CRC stripping disabled - packets/burst=32 > nb forwarding cores=1 - nb forwarding ports=2 > RX queues=1 - RX desc=128 - RX free threshold=0 > RX threshold registers: pthresh=0 hthresh=0 wthresh=0 > TX queues=1 - TX desc=512 - TX free threshold=0 > TX threshold registers: pthresh=0 hthresh=0 wthresh=0 > TX RS bit threshold=0 - TXQ flags=0x0 > testpmd> 2018-03-28 20:49 GMT+08:00 Nélio Laranjeiro <nelio.laranje...@6wind.com>: > On Wed, Mar 28, 2018 at 08:20:00PM +0800, Sam wrote: > > Hi all, > > > > I'm using Ovs-2.8.0 + DPDK-17.05-rc1 with two netdev using mlx5 driver, > > like this: > > > > $ sudo /usr/local/share/openvswitch/scripts/dpdk_nic_bind --status > > > Network devices using DPDK-compatible driver > > > ============================================ > > > <none> > > > Network devices using kernel driver > > > =================================== > > > ... > > > 0000:03:00.0 'MT27640 Family' if=eth4 drv=mlx5_core unused=igb_uio > > > 0000:03:00.1 'MT27640 Family' if=eth5 drv=mlx5_core unused=igb_uio > > > 0000:03:00.2 'MT27641 Family' if=enp3s0f2 drv=mlx5_core unused=igb_uio > > > *Active* > > > ... > > > ===================== > > > <none> > > > > > > When I start ovs-vswitchd, and add port onto br0, I got errors like this: > > > > libibverbs: Warning: no userspace device-specific driver found for > > > /sys/class/infiniband_verbs/uverbs2 > > > > > > and git errors in ovs-vswitchd.log like this: > > > > 2018-03-28T09:34:25.687Z|00120|dpdk|INFO|EAL: PCI device 0000:03:00.0 on > > > NUMA socket 0 > > > 2018-03-28T09:34:25.687Z|00121|dpdk|INFO|EAL: probe driver: > 15b3:1017 > > > net_mlx5 > > > 2018-03-28T09:34:25.687Z|00122|dpdk|WARN|EAL: Requested device > > > 0000:03:00.0 cannot be used > > > 2018-03-28T09:34:25.687Z|00123|dpdk|ERR|EAL: Driver cannot attach the > > > device (0000:03:00.0) > > > 2018-03-28T09:34:25.687Z|00124|netdev_dpdk|WARN|Error attaching device > > > '0000:03:00.0' to DPDK > > > 2018-03-28T09:34:25.687Z|00125|netdev|WARN|dpdk0: could not set > > > configuration (Invalid argument) > > > > > > How to fix this bug? Is there anyone got these errors? Thank you~ > > Hi, > > I would say you don't have the correct Linux drivers, nor libraries to > make it work with DPDK. > Did you installed Mellanox OFED? If not take a look at section 19.5. > Prerequisites of the NIC documentation [1]. > > Regards, > > [1] https://dpdk.org/doc/guides-17.05/nics/mlx5.html > > -- > Nélio Laranjeiro > 6WIND >