[dpdk-dev] [PATCH] net/iavf: fix performance drop

[Lu, Wenzhuo]

> The fix by not changing Rx implementation, but making sure correct Rx path
> selected, right? Can you please clarify this in the commit log?
> 
> So the performance drop fixed for whoever have the vector path supported and
> offloads enabled, can be good to highlight in the patch title, otherwise it is too
> generic.
Yes, the implementation is not changed. It's only about the path selection. I'll clarify it.

> 
> >
> > Fixes: eff56a7b9f97 ("net/iavf: add offload path for Rx AVX512")
> >
> 
> I am not clear what caused the performance drop.
> Before above patch, vector path was not supporting the offloads and scalar
> path should be selected. After above patch, still scalar path selected, although
> vector path supports offloads, but for both before and after scalar path is
> selected, so why/when the performance drop happens?
> Can you please clarify in the commit log, how to reproduce performance drop?
Sure. I'll describe more about what's the issue.