Lagopusをqemu/kvm with virtio-netで動かす (dpdk 1.7.1/lagopus 0.1.2) ref: http://qiita.com/s1061123/items/ffa3974e4635c06faa26

file10.txt

pip install ryu
pip install six --upgrade

file13.txt

user@packer-ubuntu-1404-server:~$ ./install-dpdk.sh 
[sudo] password for user: 

Network devices using DPDK-compatible driver
============================================
0000:00:04.0 'Virtio network device' drv=igb_uio unused=
0000:00:05.0 'Virtio network device' drv=igb_uio unused=

Network devices using kernel driver
===================================
0000:00:03.0 'Virtio network device' if= drv=virtio-pci unused=igb_uio 

Other network devices
=====================
<none>
Set hugepagesize=256 of 2MB page
Creating /mnt/huge and mounting as hugetlbfs

grub

GRUB_CMDLINE_LINUX="hugepages=256"

install-dpdk.sh

#!/bin/sh
# This script is derived from handson training resources.
# http://lagopus.github.io/handson/handson.tar.xz
export RTE_SDK=${HOME}/dpdk-1.7.1
export RTE_TARGET=x86_64-native-linuxapp-gcc

DPDK_NIC_PCIS="0000:00:04.0 0000:00:05.0"
HUGEPAGE_NOPAGES="256"

set_numa_pages()
{
        for d in /sys/devices/system/node/node? ; do
                sudo sh -c "echo ${HUGEPAGE_NOPAGES} > $d/hugepages/hugepages-2048kB/nr_hugepages"
        done
}

set_no_numa_pages()
{
        sudo sh -c "echo ${HUGEPAGE_NOPAGES} > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages"
}

# install module
sudo modprobe uio
sudo insmod ${RTE_SDK}/${RTE_TARGET}/kmod/igb_uio.ko
sudo insmod ${RTE_SDK}/${RTE_TARGET}/kmod/rte_kni.ko

# unbind e1000 NICs from igb and bind igb_uio for DPDK
sudo ${RTE_SDK}/tools/dpdk_nic_bind.py --bind=igb_uio  ${DPDK_NIC_PCIS}
sudo ${RTE_SDK}/tools/dpdk_nic_bind.py --status

# mount fugepagefs
echo "Set hugepagesize=${HUGEPAGE_NOPAGES} of 2MB page"
NCPUS=$(find /sys/devices/system/node/node?  -maxdepth 0 -type d | wc -l)

if [ ${NCPUS} -gt 1 ] ; then
        set_numa_pages
else
        set_no_numa_pages
fi

echo "Creating /mnt/huge and mounting as hugetlbfs"
sudo mkdir -p /mnt/huge
grep -s '/mnt/huge' /proc/mounts > /dev/null
if [ $? -ne 0 ] ; then
        sudo mount -t hugetlbfs nodev /mnt/huge
fi

unset RTE_SDK
unset RTE_TARGET

lagopus.conf

interface {
    ethernet {
        eth0;
        eth1;
    }
}
bridge-domains {
    br0 {
        port {
            eth0;
            eth1;
        }
        controller {
            127.0.0.1;
        }
    }
}

shell

#(B-side)
qemu-system-x86_64  ...必要なオプション...
        -device virtio-net-pci,netdev=net1,mac=52:54:21:12:34:56 \
        -netdev socket,id=net1,connect=127.0.0.1:5002