Re: [dpdk-dev] [RFC v2 1/9] usertools: add DPDK config lib python library

["Wiles, Keith" <keith.wiles@intel.com>]

> On Nov 16, 2018, at 8:37 AM, Burakov, Anatoly <anatoly.burakov@intel.com> wrote:
> 
> On 16-Nov-18 2:13 PM, Richardson, Bruce wrote:
>>> -----Original Message-----
>>> From: Wiles, Keith
>>> Sent: Friday, November 16, 2018 2:10 PM
>>> To: Burakov, Anatoly <anatoly.burakov@intel.com>
>>> Cc: Stephen Hemminger <stephen@networkplumber.org>; dev <dev@dpdk.org>;
>>> Mcnamara, John <john.mcnamara@intel.com>; Richardson, Bruce
>>> <bruce.richardson@intel.com>; De Lara Guarch, Pablo
>>> <pablo.de.lara.guarch@intel.com>; Hunt, David <david.hunt@intel.com>;
>>> Awal, Mohammad Abdul <mohammad.abdul.awal@intel.com>; thomas@monjalon.net;
>>> Yigit, Ferruh <ferruh.yigit@intel.com>
>>> Subject: Re: [dpdk-dev] [RFC v2 1/9] usertools: add DPDK config lib python
>>> library
>>> 
>>> 
>>> 
>>>> On Nov 16, 2018, at 5:49 AM, Burakov, Anatoly
>>> <anatoly.burakov@intel.com> wrote:
>>>> 
>>>> On 16-Nov-18 12:45 AM, Stephen Hemminger wrote:
>>>>> On Thu, 15 Nov 2018 15:47:13 +0000
>>>>> Anatoly Burakov <anatoly.burakov@intel.com> wrote:
>>>>>> This is a placeholder for Python library abstracting away many of
>>>>>> mundane details DPDK configuration scripts have to deal with. We
>>>>>> need __init__.py file to make the subdirectory a package so that
>>>>>> Python scripts in usertools/ can find their dependencies.
>>>>>> 
>>>>>> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
>>>>>> ---
>>>>>>  usertools/DPDKConfigLib/__init__.py | 0
>>>>>>  1 file changed, 0 insertions(+), 0 deletions(-)  create mode 100644
>>>>>> usertools/DPDKConfigLib/__init__.py
>>>>>> 
>>>>>> diff --git a/usertools/DPDKConfigLib/__init__.py
>>>>>> b/usertools/DPDKConfigLib/__init__.py
>>>>>> new file mode 100644
>>>>>> index 000000000..e69de29bb
>>>>> Doing this a better than current code, but can we go farther?
>>>>> I would like DPDK to get out of doing binds directly and switch to
>>>>> using driverctl which also handles persistent rebind on reboot.
>>>> 
>>>> Wasn't the objection that it's not available everywhere? (for the
>>>> record, i have no horse in the race - i don't much care exactly how
>>>> it's done)
>>> 
>>> If it works on FreeBSD and Linux then I am all for it. On windows does it
>>> support this method too?
>>>> 
>> Binding and unbinding is completely different on each OS. FreeBSD has no overlap
>> of scripts with Linux, so replacing some of our tools with driverctl won't affect
>> that OS.
>> /Bruce
> 
> ...however, we could abstract that away in our tools, and use OS-appropriate tools independently of what we're running on. There could still be value in fixing devbind everyone knows and love to work on all OS's without too much hassle :)

Having one tool to rule them all would be great. The one I worry about is windows, but if it can be done then we should do it.

The library code you have done is a great direction to solve these problems.

> 
> -- 
> Thanks,
> Anatoly

Regards,
Keith