[dpdk-dev] config files maintenance

Thomas Monjalon thomas.monjalon at 6wind.com
Fri Jul 31 17:43:02 CEST 2015


2015-07-31 15:39, Zhang, Helin:
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> > 2015-07-31 15:29, Zhang, Helin:
> > > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> > > > Can we remove i40e bulk alloc option?
> > >
> > > As the receiving functions are different for bulk_alloc or not, we need this flag.
> > 
> > What brings the non bulk alloc function?
> 
> Bulk-alloc means it will allocate mbufs in bulk, which was added before we supporting
> Vector PMD long long ago, to show the possible better performance.
> I think all was disabled by default, and later it is enabled by default for Linux.

Yes, I know that. My question was:
Why not removing the non bulk alloc Rx in i40e?
Who needs to disable I40E_RX_ALLOW_BULK_ALLOC?

I think you understand that the goal is remove some options and code
useless nowadays (maintenance stuff).


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