dpdk: 2.0.0 ovs: 2.4.90 qemu: 2.3.0 OS of vm: windows7 64bit driver of virtio for windows: virtio-win-0.1.96_amd64
ovs-vsctl add-br br0 -- set bridge br0 datapath_type=netdev ovs-vsctl add-port br0 tap0 -- set Interface tap0 type=dpdkvhostuser qemu-system-x86_64 win.img -cpu host -smp 2 --enable-kvm -m 2G -vnc :1 -object memory-backend-file,id=mem,size=2G,mem-path=/dev/hugepages,share=on -numa node,memdev=mem -mem-prealloc -chardev socket,id=char1,path=/var/run/openvswitch/tap0 -netdev type=vhost-user,id=net1,chardev=char1,vhostforce -device virtio-net-pci,netdev=net1,mac=00:00:00:00:00:01,csum=off,gso=off,guest_tso4=off,guest_tso6=off,guest_ecn=off & |-----| |-----| | VM |----| ovs | use vhostuser |-----| |-----| When VM receiving packets from virtionet, the cpu of vm get 100%, but sending packets looks like ok if the OS of VM is Linux, there is no problem what different between windows 7 and linux? Have anyone meet the problem?