[dpdk-dev] [PATCH v10 0/9] Add PMD power mgmt

[Thomas Monjalon]

28/10/2020 14:49, Jerin Jacob:
> On Wed, Oct 28, 2020 at 7:05 PM Liang, Ma <liang.j.ma at intel.com> wrote:
> >
> > Hi Thomas,
> >   I think I addressed all of the questions in relation to V9. I don't think I can solve the issue of a generic API on my own. From the Community Call last week Jerin also said that a generic was investigated but that a single solution wasn't feasible.
> 
> I think, From the architecture point of view, the specific
> functionally of UMONITOR may not be abstracted.
> But from the ethdev callback point of view, Can it be abstracted in
> such a way that packet notification available through
> checking interrupt status register or ring descriptor location, etc by
> the driver. Use that callback as a notification mechanism rather
> than defining a memory-based scheme that UMONITOR expects? or similar
> thoughts on abstraction.

I agree with Jerin.
The ethdev API is the blocking problem.
First problem: it is not well explained in doxygen.
Second problem: it is probably not generic enough (if we understand it well)

> > This API is experimental and other vendor support can be added as needed. If there are any other open issue let me know?

Being experimental is not an excuse to throw something
which is not satisfying.