[dpdk-dev] Permanently binding NIC ports with DPDK drivers

[Stephen Hemminger]

On Wed, 11 Nov 2015 16:59:14 +0000
"Montorsi, Francesco" <fmontorsi at empirix.com> wrote:

> Hi Bruce,
> 
> > -----Original Message-----
> > From: Bruce Richardson [mailto:bruce.richardson at intel.com]
> > I'm not aware of any way to make the bindings permanent across reboots.
> > What you have suggested will work, but there are probably better ways to
> > do the same thing.
> 
> I agree... let's see if somebody else has suggestions :)
> 
> In any case my idea is to make my software as much independent as possible from troubles with future HW and future DPDK versions. A way to do that would be to leave all the bind steps and intelligence inside the dpdk_nic_bind.py script and just use that (since it will be probably always up to date and correct). My only concern is that (reading the python code) dpdk_nic_bind.py script does not return with an error code != 0 if something bad happens during binding... maybe it may be worth doing such a small change...
> 
> Just my 2 cents,
> Francesco
> 
> 
> 
> 

I would recommend using PCI id's and not depending in anyway on port.
If you want, I can submit a patch to add derive the systemd/udev compatiable
name from existing DPDK port.