[dpdk-dev] [PATCH v6 1/6] ethdev: introduce Rx buffer split

[Thomas Monjalon]

15/10/2020 13:49, Slava Ovsiienko:
> From: Ferruh Yigit <ferruh.yigit at intel.com>
> > On 10/15/2020 12:26 PM, Jerin Jacob wrote:
> > 
> > <...>
> > 
> > >>>>> If we see some of the features of such kind or other PMDs adopts
> > >>>>> the split feature - we'll try to find the common root and consider
> > >>>>> the way how
> > >>> to report it.
> > >>>>
> > >>>> My only concern with that approach will be ABI break again if
> > >>>> something needs to exposed over rte_eth_dev_info().
> > >>
> > >> Let's reserve the pointer to struct rte_eth_rxseg_limitations in the
> > >> rte_eth_dev_info to avoid ABI break?
> > >
> > > Works for me. If we add an additional reserved field.
> > >
> > > Due to RC1 time constraint, I am OK to leave it as a reserved filed
> > > and fill meat when it is required if other ethdev maintainers are OK.
> > > I will be required for feature complete.
> > >
> > 
> > Sounds good to me.

OK for me.

> OK, let's introduce the pointer in the rte_eth_dev_info and 
> define struct rte_eth_rxseg_limitations as experimental.
> Will it be allowed to update this one later (after 20.11)? 
> Is ABI break is allowed for the case?

If it is experimental, you can change it at anytime.

Ideally, we could try to have a first version of the limitations
during 20.11-rc2.