# ovs-vsctl show 
8ef054c6-9ebc-4f8c-bb14-ff093c9c5100
    Bridge ovsbr0
        datapath_type: netdev
        Port ovsbr0
            Interface ovsbr0
                type: internal
        Port dpdk0
            Interface dpdk0
                type: dpdk
                options: {dpdk-devargs="0000:5e:00.0", n_rxq="4", n_txq="4"}
        Port vhost-user0
            Interface vhost-user0
                type: dpdkvhostuserclient
                options: {vhost-server-path="/tmp/vhostuser0.sock"}
    Bridge ovsbr1
        datapath_type: netdev
        Port ovsbr1
            Interface ovsbr1
                type: internal
        Port vhost-user1
            Interface vhost-user1
                type: dpdkvhostuserclient
                options: {vhost-server-path="/tmp/vhostuser1.sock"}
        Port dpdk1
            Interface dpdk1
                type: dpdk
                options: {dpdk-devargs="0000:5e:00.1", n_rxq="4", n_txq="4"}

 <interface type='vhostuser'>
      <mac address='18:66:da:5f:dd:22'/>
      <source type='unix' path='/tmp/vhostuser0.sock' mode='server'/>
      <target dev='vhost-user0'/>
      <model type='virtio'/>
      <driver name='vhost' queues='4' rx_queue_size='1024' tx_queue_size='1024' iommu='on' ats='on'>
        <host mrg_rxbuf='on'/>
      </driver>
      <alias name='net1'/>
      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
    </interface>

    <interface type='vhostuser'>
      <mac address='18:66:da:5f:dd:23'/>
      <source type='unix' path='/tmp/vhostuser1.sock' mode='server'/>
      <target dev='vhost-user1'/>
      <model type='virtio'/>
      <driver name='vhost' queues='4' rx_queue_size='1024' tx_queue_size='1024' iommu='on' ats='on'>
        <host mrg_rxbuf='on'/>
      </driver>
      <alias name='net2'/>
      <address type='pci' domain='0x0000' bus='0x07' slot='0x00' function='0x0'/>
    </interface>

# dpdk-testpmd  --socket-mem 1024 -l 1,2,3,4,5 --proc-type auto --file-prefix tx --  --port-topology=chained  --disable-rss -i --txq=4 --nb-cores=2 --auto-start --forward-mode=txonly

#!/bin/bash
set -e
echo "killing old ovs process"
pkill -f ovs-vswitchd || true
sleep 5
pkill -f ovsdb-server || true
echo "probing ovs kernel module"
modprobe -r openvswitch || true
modprobe openvswitch

echo "clean env"
DB_FILE=/etc/openvswitch/conf.db
rm -rf /var/run/openvswitch
mkdir /var/run/openvswitch
rm -f $DB_FILE
echo "init ovs db and boot db server"
export DB_SOCK=/var/run/openvswitch/db.sock
ovsdb-tool create /etc/openvswitch/conf.db /usr/share/openvswitch/vswitch.ovsschema
ovsdb-server --remote=punix:$DB_SOCK --remote=db:Open_vSwitch,Open_vSwitch,manager_options --pidfile --detach --log-file
ovs-vsctl --no-wait init

ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-socket-mem="1024,1024"
ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-lcore-mask="0x1"
ovs-vsctl --no-wait set Open_vSwitch . other_config:vhost-iommu-support=true
ovs-vsctl --no-wait set Open_vSwitch . other_config:vhost-postcopy-support=true
ovs-vsctl --no-wait set Open_vSwitch . other_config:pmd-cpu-mask=0x15554
ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-init=true
ovs-vswitchd unix:$DB_SOCK --pidfile --detach --log-file=/var/log/openvswitch/ovs-vswitchd.log
ovs-vsctl --if-exists del-br ovsbr0
ovs-vsctl add-br ovsbr0 -- set bridge ovsbr0 datapath_type=netdev
ovs-vsctl add-port ovsbr0 dpdk0 -- set Interface dpdk0 type=dpdk options:dpdk-devargs=0000:5e:00.0 options:n_rxq=4  options:n_txq=4 
ovs-vsctl add-port ovsbr0 vhost-user0 -- set Interface vhost-user0 type=dpdkvhostuserclient options:vhost-server-path=/tmp/vhostuser0.sock
ovs-ofctl del-flows ovsbr0
ovs-ofctl add-flow ovsbr0 "in_port=1,idle_timeout=0 actions=output:2"
ovs-ofctl add-flow ovsbr0 "in_port=2,idle_timeout=0 actions=output:1"
ovs-vsctl --if-exists del-br ovsbr1
ovs-vsctl add-br ovsbr1 -- set bridge ovsbr1 datapath_type=netdev
ovs-vsctl add-port ovsbr1 dpdk1 -- set Interface dpdk1 type=dpdk options:dpdk-devargs=0000:5e:00.1   options:n_rxq=4  options:n_txq=4
ovs-vsctl add-port ovsbr1 vhost-user1 -- set Interface vhost-user1 type=dpdkvhostuserclient options:vhost-server-path=/tmp/vhostuser1.sock
ovs-ofctl del-flows ovsbr1
ovs-ofctl add-flow ovsbr1 "in_port=1,idle_timeout=0 actions=output:2"
ovs-ofctl add-flow ovsbr1 "in_port=2,idle_timeout=0 actions=output:1"