[EXT] Re: [PATCH v4 2/3] ethdev: add mbuf dynfield for incomplete IP reassembly

[Akhil Goyal]

> On Mon, 7 Feb 2022 17:28:26 +0000
> Ferruh Yigit <ferruh.yigit at intel.com> wrote:
> 
> > On 2/7/2022 5:23 PM, Stephen Hemminger wrote:
> > > On Sat, 5 Feb 2022 03:43:33 +0530
> > > Akhil Goyal <gakhil at marvell.com> wrote:
> > >
> > >> +/**
> > >> + * @internal
> > >> + * Register mbuf dynamic field and flag for IP reassembly incomplete
> case.
> > >> + */
> > >> +__rte_internal
> > >> +int
> > >> +rte_eth_ip_reass_dynfield_register(int *field_offset, int *flag);
> > >
> > > Maybe use RTE_INIT() constructor for this?
> >
> > Dynfiled should be registered only when users asks for the feature.
> 
> right but making the user ask can lead to errors, can it be done implicitly
> on first use.

Registering dynfield is responsibility of PMD when the application asks for the feature.
So how can it lead to errors.