Hi lifuqiong, Could you provide the output of the following commands in your setup?: ovs-vsctl show ovs-ofctl dump-flows ovs-ofctl dump-ports
Mauricio Vasquez, On Sat, Apr 16, 2016 at 10:23 AM, lifuqiong <lifuqi...@cncloudsec.com> wrote: > Hi Mauricio: > > I changed my qemu version from 2.2.1 to 2.5.0 and the vms can > communication with each other. But the VM cannot ping PC in the outside > network. They in a same subnet. > > > > PC(192.168.0.103/24) ping vm(192.168.0.90); vm’s host’s dpdk NIC and PC > are in a L2 switch. And DPDK NIC connected to switch’s Port Eth1/0/8 > > Investigation: > > Binding VM’s IP and Mac in PC’s ARP table, and binding VM’s Mac > in Port Eth1/0/8; PC is pinging vm, I can see Output packets of Eth1/0/8 > increasing regularly, which means the ping request packet has send to DPDK > NIC. > > > > But the VM can not receive the packet? > > > > My switch has NO vlan , the default VLAN is 1. But when I ping > from vm1 to vm2 , showing MaC address in OVS which shows as follows: > > port VLAN MAC Age > > 4 0 00:00:00:00:02:12 1 > > 3 0 00:00:00:00:00:04 1 > > > > > > What was the reason why VM cannot communication with the PC? Thank you > > > > *发件人:* lifuqiong [mailto:lifuqi...@cncloudsec.com] > *发送时间:* 2016年4月15日 9:22 > *收件人:* 'Mauricio Vásquez' > *抄送:* 'dev@openvswitch.org' > *主题:* 答复: [ovs-dev] ovs + dpdk vhost-user match flows but cannot execute > actions > > > > Hello Mauricio Vasquez: > > It works. Thank you very much. > > > > > > *发件人:* Mauricio Vásquez [mailto:mauricio.vasquezber...@studenti.polito.it > <mauricio.vasquezber...@studenti.polito.it>] > *发送时间:* 2016年4月14日 14:55 > *收件人:* lifuqiong > *抄送:* dev@openvswitch.org > *主题:* Re: [ovs-dev] ovs + dpdk vhost-user match flows but cannot execute > actions > > > > Hello lifuqiong, > > I faced the same problem some days ago ( > http://openvswitch.org/pipermail/dev/2016-March/068282.html), the bug is > already fixed. > > Where are you downloading OVS from?, it appears that the bug is still > present in the version on > http://openvswitch.org/releases/openvswitch-2.5.0.tar.gz, please download > ovs from git and switch to branch-2.5. > > Mauricio Vasquez, > > > > On Thu, Apr 14, 2016 at 4:28 AM, lifuqiong <lifuqi...@cncloudsec.com> > wrote: > > I want to test dpdk vhost-user port on ovs to follow > https://software.intel.com/en-us/blogs/2015/06/09/building-vhost-user-for-ovs-today-using-dpdk-200 > ; > I create ovs+dpdk environment followed INSTALL.DPDK.md; and create 2 VM2, > try to ping each other but show me “Destination Host Unreachable”; > Dump-flows shows packets matched the flow, but can’t output to port 4, > why ? I can’t get any useful error or warning info from ovs-vswitchd.log. > While ping from vm1 to vm2, statistics on vm1 shows that eth1 RX_packet > keeps zero, TX_PACKET keeps increasing. > 1. > OVS: 2.5.0 > Dpdk: 2.2.0 > Qemu: 2.2.1 > > 2. ovs-ofctl dump-flows ovsbr0 > NXST_FLOW reply (xid=0x4): > cookie=0x0, duration=836.946s, table=0, n_packets=628, n_bytes=26376, > idle_age=0, in_port=3 actions=output:4 > cookie=0x0, duration=831.458s, table=0, n_packets=36, n_bytes=1512, > idle_age=770, in_port=4 actions=output:3 > > 3. root@host152:/usr/local/var/run/openvswitch# ovs-vsctl show > 03ae6f7d-3b71-45e3-beb0-09fa11292eaa > Bridge "ovsbr0" > Port "vhost-user-1" > Interface "vhost-user-1" > type: dpdkvhostuser > Port "ovsbr0" > Interface "ovsbr0" > type: internal > Port "dpdk1" > Interface "dpdk1" > type: dpdk > Port "vhost-user-0" > Interface "vhost-user-0" > type: dpdkvhostuser > Port "dpdk0" > Interface "dpdk0" > type: dpdk > > 4. Start VM info: > qemu-system-x86_64 -m 1024 -smp 2 -hda /root/vm11.qcow2 -boot c > -enable-kvm -vnc 0.0.0.0:1 -chardev > socket,id=char1,path=/usr/local/var/run/openvswitch/vhost-user-0 -netdev > type=vhost-user,id=mynet1,chardev=char1,vhostforce -device > virtio-net-pci,mac=00:00:00:00:01:12,netdev=mynet1 -object > memory-backend-file,id=mem,size=1024M,mem-path=/dev/hugepages,share=on > -numa node,memdev=mem -mem-prealloc -d exec > > qemu-system-x86_64: -netdev > type=vhost-user,id=mynet1,chardev=char1,vhostforce: chardev "char1" went up > > > > 5. My build command as follows: > #!/bin/bash > > ################ config and compile dpdk ################ # cd dpdk # > make config T=x86_64-native-linuxapp-gcc # make install > T=x86_64-native-linuxapp-gcc > ######################################################## > > ################ config and compile ovs ################ # cd ovs # > ./boot.sh # ./configure --localstatedir=/var > --with-dpdk=/root/workplane/dpdk/x86_64-native-linuxapp-gcc > # make > # make install > ######################################################## > > ################ config and compile qemu ################ # cd qemu # > ./configure # make # make install > ######################################################## > > ## set hugepage number, use boot cmdline or procfs echo 8 > > /proc/sys/vm/nr_hugepages > > ## insert the kernel modules > modprobe uio > insmod $DPDK_BUILD/kmod/igb_uio.ko > insmod $DPDK_BUILD/kmod/rte_kni.ko > insmod $DPDK_DIR/lib/librte_vhost/eventfd_link/eventfd_link.ko > > # unbind the dpdk interface > > $DPDK_DIR/tools/dpdk_nic_bind.py --bind=igb_uio 01:00.0 > $DPDK_DIR/tools/dpdk_nic_bind.py --bind=igb_uio 01:00.1 > > #Mount hugetable > mkdir -p /dev/hugepages > mount -t hugetlbfs -o pagesize=1G none /dev/hugepages > > #first time > #ovsdb-tool create /usr/local/etc/openvswitch/conf.db > /usr/local/share/openvswitch/vswitch.ovsschema > > ovsdb-server --remote=punix:/usr/local/var/run/openvswitch/db.sock > --remote=db:Open_vSwitch,Open_vSwitch,manager_options --pidfile --detach > --log-file > > #firsttime only > #ovs-vsctl --no-wait init > ovs-vswitchd --dpdk -c 0x77 -n 2 --socket-mem 2048,0 -- unix:$DB_SOCK > --pidfile --detach --log-file > > > ############################################################################## > ## Add brige > /usr/local/bin/ovs-vsctl add-br ovsbr0 -- set bridge ovsbr0 > datapath_type=netdev > > ## Add dpdk port > /usr/local/bin/ovs-vsctl add-port ovsbr0 dpdk0 -- set Interface dpdk0 > type=dpdk /usr/local/bin/ovs-vsctl add-port ovsbr0 dpdk1 -- set Interface > dpdk1 type=dpdk # /usr/local/bin/ovs-vsctl add-port ovsbr0 dpdk2 -- set > Interface dpdk2 type=dpdk # /usr/local/bin/ovs-vsctl add-port ovsbr0 dpdk3 > -- set Interface dpdk3 type=dpdk > > ## Add vhost-user port > /usr/local/bin/ovs-vsctl add-port ovsbr0 vhost-user-0 -- set Interface > vhost-user-0 type=dpdkvhostuser /usr/local/bin/ovs-vsctl add-port ovsbr0 > vhost-user-1 -- set Interface vhost-user-1 type=dpdkvhostuser > > > > _______________________________________________ > dev mailing list > dev@openvswitch.org > http://openvswitch.org/mailman/listinfo/dev > > > _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
