Suggest you post this question to Openvswitch.org.
> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of wenxu
> Sent: Tuesday, August 04, 2015 5:52 PM
> To: dev at dpdk.org
> Subject: [dpdk-dev] Vhost-User port not work and always show 'down'
>
> Hi all,
>
>
> I build a ovs-dpdk and vhost-user POC through INSTALL.DPDK.md.
>
> There is a br0 with dpdk0 and vhost-user-0
> I build dpdk with 2.0.0 and ovs with branch 2.4
> # ovs-vsctl show
> ovs-vsctl show
> c38093a7-6c7e-4d6a-a7c1-627d95acbdc6
> Bridge "br0"
> Port "br0"
> Interface "br0"
> type: internal
> Port "vhost-user-0"
> Interface "vhost-user-0"
> type: dpdkvhostuser
> Port "dpdk0"
> Interface "dpdk0"
> type: dpdk
>
> I setup a virtual machine succesfully. qemu version is 2.3.0 which is ok for
> vhost-user
>
> # qemu-system-x86_64 -smp 2 -m 1024 -hda ubuntu.img -vnc :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=22:33:44:55:66:77,netdev=mynet1 -object
> memory-backend-file,id=mem,size=1024M,mem-path=/dev/hugepages,share=on -numa
> node,memdev=mem -mem-prealloc
>
> qemu-system-x86_64: -netdev
> type=vhost-user,id=mynet1,chardev=char1,vhostforce: chardev "char1" went up
>
> I set the br0 10.0.0.2/24 and virtual machine eth0 10.0.0.1/24
> But they can't ping each other
>
> # ovs-ofctl dump-flows br0
> NXST_FLOW reply (xid=0x4):
> cookie=0x0, duration=79598.075s, table=0, n_packets=445, n_bytes=27204,
> idle_age=0, hard_age=65534, priority=0
> actions=NORMAL
>
> # ovs-vsctl list interface vhost-user-0
> _uuid : ca02a658-3f7f-4133-8b3c-cfc776154d38
> admin_state : down
> bfd : {}
> bfd_status : {}
> cfm_fault : []
> cfm_fault_status : []
> cfm_flap_count : []
> cfm_health : []
> cfm_mpid : []
> cfm_remote_mpids : []
> cfm_remote_opstate : []
> duplex : []
> error : []
> external_ids : {}
> ifindex : 0
> ingress_policing_burst: 0
> ingress_policing_rate: 0
> lacp_current : []
> link_resets : 1
> link_speed : []
> link_state : down
> lldp : {}
> mac : []
> mac_in_use : "00:00:00:00:00:00"
> mtu : 1500
> name : "vhost-user-0"
> ofport : 4
> ofport_request : []
> options : {}
> other_config : {}
> statistics : {rx_packets=0, tx_dropped=36, tx_packets=0}
> status : {}
> type : dpdkvhostuser
>
> I can see the vhost-user-0 port always show down and there are some dropped
> packets which are sent from br0.
>
> Are there some wrong with my POC?
>
> BR
> Xu Wen
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