Hi Team, We have a setup at our lab to demonstrate DPDK with OVS and With-Out. Here are my configuration details and error message.
Hardware : HP DL 380 G8? OS - Ubuntu 16.0.4 OVS Package - 2.5 DPDK has been installed along with OVS Packages installed :?apt-get install openvswitch-switch-dpdk uvtool qemu-kvm Procedure is as follows: 1.0 enabled iommu on Kernel? 2.0 enalbled hugepages? NR_2M_PAGES=4096">> /etc/dpdk/dpdk.conf root at ovskvm1:~# mount | column -t | grep huge cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb,release_agent=/run/cgmanager/agents/cgm-release-agent.hugetlb,nsroot=/) hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime) hugetlbfs-kvm on /run/hugepages/kvm type hugetlbfs (rw,relatime,mode=775,gid=111) nodev on /var/opt/huge type hugetlbfs (rw,relatime,pagesize=1GB) hugetlb on /run/lxcfs/controllers/hugetlb type cgroup (rw,relatime,hugetlb,release_agent=/run/cgmanager/agents/cgm-release-agent hugetlb,nsroot=/) 3.0 OVS conf settings DPDK_OPTS='--dpdk -c 0x1 -n 4 -m 2048 --vhost-owner libvirt-qemu:kvm --vhost-perm 0664' 4.0 ?Connecting ?dpdk0 interface and two guests. We got issue while adding dpdko interface? root at ovskvm1:~# ovs-vsctl show 0ee7d41d-3f51-43ae-9181-bb23aa81ebc7 ? ? Bridge "ovsdpdkbr0" ? ? ? ? Port "vhost-user-2" ? ? ? ? ? ? Interface "vhost-user-2" ? ? ? ? ? ? ? ? type: dpdkvhostuser ? ? ? ? Port "vhost-user-1" ? ? ? ? ? ? Interface "vhost-user-1" ? ? ? ? ? ? ? ? type: dpdkvhostuser ? ? ? ? Port "ovsdpdkbr0" ? ? ? ? ? ? Interface "ovsdpdkbr0" ? ? ? ? ? ? ? ? type: internal ? ? ? ? Port "dpdk0" ? ? ? ? ? ? Interface "dpdk0" ? ? ? ? ? ? ? ? type: dpdk ? ? ? ? ? ? ? ? error: "could not open network device dpdk0 (No such device)" ? ? ovs_version: "2.5.0" root at ovskvm1:~# ?ovs log root at ovskvm1:~# tailf /var/log/openvswitch/ovs-vswitchd.log 2016-06-22T06:10:46.041Z|00015|bridge|INFO|bridge ovsdpdkbr0: added interface ovsdpdkbr0 on port 65534 2016-06-22T06:10:46.041Z|00016|bridge|INFO|bridge ovsdpdkbr0: using datapath ID 00001e82be6ada4d 2016-06-22T06:10:46.041Z|00017|connmgr|INFO|ovsdpdkbr0: added service controller "punix:/var/run/openvswitch/ovsdpdkbr0.mgmt" 2016-06-22T06:10:46.079Z|00018|bridge|INFO|ovs-vswitchd (Open vSwitch) 2.5.0 2016-06-22T06:10:53.089Z|00019|memory|INFO|183016 kB peak resident set size after 10.2 seconds 2016-06-22T06:10:53.089Z|00020|memory|INFO|handlers:11 ports:1 revalidators:5 rules:5 2016-06-22T06:18:16.397Z|00021|bridge|INFO|bridge ovsdpdkbr1: added interface ovsdpdkbr1 on port 65534 2016-06-22T06:18:16.397Z|00022|bridge|INFO|bridge ovsdpdkbr1: using datapath ID 00002e9f58d5d440 2016-06-22T06:18:16.397Z|00023|connmgr|INFO|ovsdpdkbr1: added service controller "punix:/var/run/openvswitch/ovsdpdkbr1.mgmt" 2016-06-22T06:18:28.972Z|00024|bridge|WARN|could not open network device dpdk0 (No such device) OVS-DPDK Process: root at ovskvm1:~# ps -ef|grep ovs|grep dpdk root ? ? ?3568 ? ? 1 ?0 12:31 ? ? ? ? ?00:00:00 ovs-vswit... --dpdk -c 0x1 -n 4 -m 2048 --vhost-owner libvirt-qemu:kvm --vhost-perm 0664 -- unix:/var/run/openvswitch/db.sock -vconsole:emer -vsyslog:err -vfile:info --mlockall --no-chdir --log-file=/var/log/openvswitch/ovs-vswitchd.log --pidfile=/var/run/openvswitch/ovs-vswitchd.pid --detach --monitor root ? ? ?3569 ?3568 99 12:31 ? ? ? ? ?00:00:07 ovs-vswitchd --dpdk -c 0x1 -n 4 -m 2048 --vhost-owner libvirt-qemu:kvm --vhost-perm 0664 -- unix:/var/run/openvswitch/db.sock -vconsole:emer -vsyslog:err -vfile:info --mlockall --no-chdir --log-file=/var/log/openvswitch/ovs-vswitchd.log --pidfile=/var/run/openvswitch/ovs-vswitchd.pid --detach --monitor Can some one guide us , Where are we failing and how to over come this issue. Thanks Shyam Yeduru? ?
