Hi Vinod there is a patch fix suggested http://patchwork.openvswitch.org/patch/6617/ if you need to use ivshmem ports right away give the patch a go.
Regards Maryam From: discuss [mailto:discuss-boun...@openvswitch.org] On Behalf Of Vinod, Chegu Sent: Wednesday, October 15, 2014 6:13 AM To: discuss@openvswitch.org Subject: [ovs-discuss] Error while trying to configure DPDK rings Hello, I had git cloned the OVS master tree a few days ago and using 1.7.0 version of DPDK along with latest OVS I tried to followed the instructions mentioned in INSTALL.DPDK. Running into an error and was wondering as to what I may be doing wrong..or may have missed. -- Have a 2 socket server with a separate NIC for my regular site network etc. and am using the following second NIC (Intel 82599) for my initial experiments. 05:00.0 Ethernet controller: Intel Corporation 82599 10 Gigabit Dual Port Backplane Connection (rev 01) 05:00.1 Ethernet controller: Intel Corporation 82599 10 Gigabit Dual Port Backplane Connection (rev 01) Setting up DPDK : # mount -t hugetlbfs -o pagesize=1G none /dev/hugepages # modprobe uio # insmod /usr/src/dpdk/x86_64-native-linuxapp-gcc/kmod/igb_uio.ko # modprobe tun # cd /usr/src/dpdk/tools # ./dpdk_nic_bind.py --status # ./dpdk_nic_bind.py --force --bind=igb_uio 0000:05:00.0 0000:05:00.1 OVS setup : # rm -f /usr/local/etc/openvswitch/conf.db # cd /usr/src/ovs # ./ovsdb/ovsdb-tool create /usr/local/etc/openvswitch/conf.db ./vswitchd/vswitch.ovsschema # ./ovsdb/ovsdb-server --remote=punix:/usr/local/var/run/openvswitch/db.sock --remote=db:Open_vSwitch,Open_vSwitch,manager_options --private-key=db:Open_vSwitch,SSL,private_key --certificate=Open_vSwitch,SSL,certificate --bootstrap-ca-cert=db:Open_vSwitch,SSL,ca_cert --pidfile --detach #./utilities/ovs-vsctl --no-wait init # export DB_SOCK=/usr/local/var/run/openvswitch/db.sock # ./vswitchd/ovs-vswitchd --dpdk -c 0x1 -n 4 --socket-mem 1024,0 -- unix:$DB_SOCK --pidfile --detach --log-file=/var/log/openvswitch/ovs-vswitchd.log # ovs-vsctl add-br br0 # ovs-vsctl set bridge br0 datapath_type=netdev # ovs-vsctl add-port br0 dpdk0 -- set Interface dpdk0 type=dpdk # ovs-vsctl add-port br0 dpdk1 -- set Interface dpdk1 type=dpdk I can list both the ports on br0. --- Continued with the steps in INSTALL.DPDK and executed the following "script" #! /bin/sh # Move to command directory cd /usr/src/ovs/utilities/ # ./ovs-ofctl del-flows br0 # ./ovs-ofctl add-flow br0 in_port=1,dl_type=0x800,nw_src=1.1.1.1,\ nw_dst=1.1.1.2,idle_timeout=0,action=output:2 #./ovs-ofctl add-flow br0 in_port=2,dl_type=0x800,nw_src=1.1.1.2,\ nw_dst=1.1.1.1,idle_timeout=0,action=output:1 #./ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=00000550 'was able to check the presence of 2 PMD threads via "top -p `pidof ovs-vswitchd` -H -d1" ('am using a 2 socket server). #./ovs-vsctl set Open_vSwitch . other_config:n-dpdk-rxqs=4 #./ovs-vsctl add-port br0 dpdkr0 -- set Interface dpdkr0 type=dpdkr Ended with an error here... 2014-10-07T15:48:52.003Z|00038|dpif_netdev|ERR|dpdkr0, cannot set multiq 2014-10-07T15:48:52.003Z|00039|dpif|WARN|netdev@ovs-netdev: failed to add dpdkr0 as port: Resource temporarily unavailable --- Thanks Vinod
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