• initd config for Open vSwitch with DPDK

openvswitch-with-dpdk provides the userspace switch in place of the Open vSwitch kernel-based switch.

#! /bin/sh
#
### BEGIN INIT INFO
# Provides:          ovs-dpdk
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      1
# Short-Description: Open vSwitch with DPDK support
# Description:       openvswitch-with-dpdk provides the userspace switch 
#                    in place of the Open vSwitch kernel-based switch.
### END INIT INFO

PATH=/sbin:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/usr/share/openvswitch/scripts

start () {
#    set ovs_ctl ${1-start} --system-id=random
#    if test X"$FORCE_COREFILES" != X; then
#        set "$@" --force-corefiles="$FORCE_COREFILES"
#    fi
#    set "$@" $OVS_CTL_OPTS
#    "$@" || exit $?
#

        iptables -A INPUT -i eth0 -j DROP
        iptables -A FORWARD -i eth0 -j DROP

        dpdk_nic_bind -b uio_pci_generic eth2
        dpdk_nic_bind -b uio_pci_generic eth3

        mkdir -p /var/run/openvswitch
        ovsdb-server --remote=punix:/var/run/openvswitch/db.sock \
            --remote=db:Open_vSwitch,Open_vSwitch,manager_options \
            --pidfile --detach

        #killall ovs-vswitchd
        ovs-vswitchd --dpdk -c 8 -n 4 --socket-mem 1024,0 \
            -- unix:/var/run/openvswitch/db.sock --pidfile --detach
        nohup networking-ovs-dpdk-agent --nodebug --log-dir /var/log/neutron \
            --config-file /etc/neutron/plugins/ml2/ml2_conf.ini > /dev/null &

        /usr/sbin/service neutron-l3-agent restart
        /usr/sbin/service neutron-dhcp-agent restart
        /usr/sbin/service neutron-server restart

        echo 1 > /proc/irq/default_smp_affinity
        echo 0 > /sys/kernel/mm/ksm/run
        echo 0 > /sys/kernel/mm/transparent_hugepage/khugepaged/defrag
        echo never > /sys/kernel/mm/transparent_hugepage/defrag
        echo never > /sys/kernel/mm/transparent_hugepage/enabled
        echo 0 > /proc/sys/kernel/nmi_watchdog

        /etc/init.d/ondemand stop
        echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
        echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
        echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
        echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor

        service irqbalance stop
}

stop () {
#    ovs_ctl stop
        killall ovs-vswitchd

#       dpdk_nic_bind -b igb eth2
#       dpdk_nic_bind -b igb eth3
}

restart () {
#        start restart
        killall ovs-vswitchd
        ovs-vswitchd --dpdk -c 8 -n 4 --socket-mem 1024,0 \
            -- unix:/var/run/openvswitch/db.sock --pidfile --detach

        /usr/sbin/service neutron-l3-agent restart
        /usr/sbin/service neutron-dhcp-agent restart
        /usr/sbin/service neutron-server restart

#       ovs-ctl restart
}

case $1 in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        shift
        restart "$@"
        ;;
    status)
        ovs_ctl status
        exit $?
        ;;
    *)
        echo "Usage: $0 {start|stop|restart|status}" >&2
        exit 1
        ;;
esac

exit 0