[ovs-discuss] Using DPDK datapath and kernel module datapath

MCGRATH, GIL gm2391 at att.com
Wed Oct 8 14:36:41 UTC 2014


All,

I build OVS from github trunk following the DPDK instructions.
A few questions:

  *   Can I also load the kernel module and use create non datapath_type=netdev and non type=dpdk ports? (I.e. Use OVS as I normally do on non DPDK interfaces?)
  *   When I did the following command "$DPDK_DIR/tools/dpdk_nic_bind.py --bind=igb_uio p1p1” I notice that the device “p1p1” is no longer present on “ip a” output. What device do I use to add-port tot he bridge using type=dpdk? The output of "$DPDK_DIR/tools/dpdk_nic_bind.py —status” is:

Network devices using DPDK-compatible driver
============================================
0000:05:00.0 '82599 10 Gigabit Dual Port Backplane Connection' drv=igb_uio unused=

Network devices using kernel driver
===================================
0000:04:00.0 'OneConnect 10Gb NIC (be3)' if=em1 drv=be2net unused=igb_uio
0000:04:00.1 'OneConnect 10Gb NIC (be3)' if=em2 drv=be2net unused=igb_uio
0000:04:00.2 'OneConnect 10Gb NIC (be3)' if=em3 drv=be2net unused=igb_uio
0000:04:00.3 'OneConnect 10Gb NIC (be3)' if=em4 drv=be2net unused=igb_uio *Active*
0000:05:00.1 '82599 10 Gigabit Dual Port Backplane Connection' if=p1p2 drv=ixgbe unused=igb_uio
0000:21:00.0 '82599 10 Gigabit Dual Port Backplane Connection' if=p2p1 drv=ixgbe unused=igb_uio
0000:21:00.1 '82599 10 Gigabit Dual Port Backplane Connection' if=p2p2 drv=ixgbe unused=igb_uio

Other network devices
=====================
<none>

— Gil

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