Setup Representor Ports VF auto PCI Probe, Method 2

Getting Started with Napatech Link-Virtualization™ Software
Platform
Napatech SmartNIC
Content Type
Getting Started
Getting Started Guide
Capture Software Version
Link-Virtualization™ Software 4.5

About this task

You must use the format representor= as the DPDK parameter in OVS-DPDK configuration.

Procedure

  1. Specify the representor range on the first virtual function in the dpdk-extra OVSDB field as shown in the following example: 
    # ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-extra=”-n6 \
--iova-mode=pa --vfio-vf-token=14d63f20-8445-11ea-8900-1f9ce7d5650d \
-a 0000:3b:00.0,representor=[4-5],portqueues=[4:2,5:2] \
-a 0000:3b:00.4 -a 0000:3b:00.5”
    Set --vfio-vf-token to the uuid which is generated using the uuidgen command. For example: 
    uuidgen
14d63f20-8445-11ea-8900-1f9ce7d5650d
  2. In OVSDB, specify OVS representor virtual ports. You can use the PCI bus ID of the first virtual function to add a virtual port as shown in the following example: 
    # ovs_vsctl add-port br0 dpdkvp0 – set interface dpdkvp0 type=dpdk \
options:dpdk-devargs=”0000:3b:00.0,representor=4”
  3. Setup an OVS bridge as shown in the following example: 
    0dd0725f-53fe-45e4-8b96-95d4a2e7a674
    Bridge "br0"
        datapath_type: netdev
        Port "dpdkvp0"
            Interface "dpdkvp0"
                type: dpdk
                options: {dpdk-devargs="0000:3b:00.0,representor=4"}
        Port "dpdkvp1"
            Interface "dpdkvp1"
                type: dpdk
                options: {dpdk-devargs="0000:3b:00.0,representor=5"}
        Port "br0"
            Interface "br0"
                type: internal