[ovs-discuss] No Ethernet devices found with I350

[Daniele Di Proietto]

The commands you're typing seem correct.

Which version of OVS are you using? How are you compiling it?

On 23/06/2015 08:23, "Rapelly, Varun" <vrapelly at sonusnet.com> wrote:

>Hi All,
> 
>I¹m a newbie to openvswitch and I followed the below link to install ovs
>with DPDK on RHEL7 machine.
> 
>[root at artha ~]# uname -a
>Linux BL4 3.10.0-123.el7.x86_64 #1 SMP Mon May 5 11:16:57 EDT 2014 x86_64
>x86_64 x86_64 GNU/Linux
> 
>https://github.com/openvswitch/ovs/blob/master/INSTALL.DPDK.md
><https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_openvswit
>ch_ovs_blob_master_INSTALL.DPDK.md&d=BQMFAg&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeA
>w-YihVMNtXt-uEs&r=SmB5nZacmXNq0gKCC1s_Cw5yUNjxgD4v5kJqZ2uWLlE&m=BELvXwU3yO
>I7c4Fnird6AUH868juo1h2R4VdS2w87ps&s=d8CFnv-IsbTKEf_5cvZ6JCE-HwaX1qSr-uRNfI
>C0hWg&e=>
> 
>When I ran vswitch daemon, it reports following error [I binded igb_uio
>to the i350 NIC].
> 
>2015-06-22T18:04:38Z|00003|dpdk|ERR|No Ethernet devices found. Try
>assigning ports to UIO.
>2015-06-22T18:04:38Z|00004|dpdk|INFO|Ethernet Device Count: 0
> 
>Following PCI bind status.
> 
>[root at artha ~]# ./dpdk-1.7.1/tools/dpdk_nic_bind.py --status
> 
>Network devices using DPDK-compatible driver
>============================================
>0000:0a:00.0 'I350 Gigabit Network Connection' drv=igb_uio unused=
> 
>Network devices using kernel driver
>===================================
>0000:03:00.0 'NetXtreme BCM5719 Gigabit Ethernet PCIe' if=eno1 drv=tg3
>unused=
>0000:03:00.1 'NetXtreme BCM5719 Gigabit Ethernet PCIe' if=eno2 drv=tg3
>unused=
>0000:03:00.2 'NetXtreme BCM5719 Gigabit Ethernet PCIe' if=eno3 drv=tg3
>unused=
>0000:03:00.3 'NetXtreme BCM5719 Gigabit Ethernet PCIe' if=eno4 drv=tg3
>unused=
>0000:0a:00.1 'I350 Gigabit Network Connection' if=ens3f1 drv=igb unused=
> 
>Other network devices
>=====================
><none>
> 
>Then I created I ovs bridge using below cmd:
>./ovs-vsctl --no-wait add-br ovs -- set Bridge ovs datapath_type=netdev
>                  
>
>./ovs-vsctl add-port ovs dpdk0 -- set Interface dpdk0 type=dpdk
> 
>When I add dpdk port it reports, ³could not open network device dpdk0
>(Unknown error -19)²
> 
>Please let me know
>1. 
>What could be possible reason for not detecting the interface which is
>binded to igb_uio?
>2. 
>How to add the port which is binded to igb_uio here?
>
> 
>Thanks in advance.
> 
>Regards,
>Varun
> 
>