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

[Aaron Conole]

Panu Matilainen <pmatilai at redhat.com> writes:
> On 11/11/2015 06:28 PM, Bruce Richardson wrote:
>> On Wed, Nov 11, 2015 at 04:13:01PM +0000, Montorsi, Francesco wrote:
>>> Hi,
>>> Is there a way to permanently (i.e., have the configuration automatically applied after reboot) bind a NIC port to DPDK?
>>>
>>> In case there's none, I'm thinking to save in my software a list of the NIC ports chosen by the user for use with DPDK and then, upon software startup to just do
>>>      for (int i=0; i < ...; i++)
>>>       system("dpdk_nic_bind.py --bind=igb_uio " + PCI_device_chosen[i]);
>>> Do you see any problem with that?
>>>
>>> Thanks!
>>> Francesco Montorsi
>>>
>>
>> Hi Francesco,
>>
>> 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.
>> For example, a couple of lines in an rc.local script can reapply the
>> bindings at
>> boot for you. I'm sure others can suggest other ways of having the
>> same effect,
>> for example, there may be a way to automatically do this using udev or systemd
>> or some such package.
>
> I've been looking into this recently, here's what I have so far:
> http://laiskiainen.org/git/?p=driverctl.git
>

I've been using this recently, on my systems.

+1 for driverctl :-)